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cell-binutils  2.17cvs20070401
Classes | Defines | Enumerations | Functions | Variables
elf64-ppc.c File Reference
#include <stdarg.h>
#include "bfd.h"
#include "sysdep.h"
#include "bfdlink.h"
#include "libbfd.h"
#include "elf-bfd.h"
#include "elf/ppc64.h"
#include "elf64-ppc.h"
#include "elf64-target.h"

Go to the source code of this file.

Classes

struct  ppc64_elf_obj_tdata
struct  _ppc64_elf_section_data
struct  ppc_dyn_relocs
struct  got_entry
struct  plt_entry
struct  ppc_stub_hash_entry
struct  ppc_branch_hash_entry
struct  ppc_link_hash_entry
struct  ppc_link_hash_table
struct  sfpr_def_parms
struct  adjust_toc_info
union  plt_entry.plt
union  ppc64_elf_obj_tdata.tlsld_got
union  _ppc64_elf_section_data.u
union  got_entry.got
union  ppc_link_hash_entry.u

Defines

#define TARGET_LITTLE_SYM   bfd_elf64_powerpcle_vec
#define TARGET_LITTLE_NAME   "elf64-powerpcle"
#define TARGET_BIG_SYM   bfd_elf64_powerpc_vec
#define TARGET_BIG_NAME   "elf64-powerpc"
#define ELF_ARCH   bfd_arch_powerpc
#define ELF_MACHINE_CODE   EM_PPC64
#define ELF_MAXPAGESIZE   0x10000
#define ELF_COMMONPAGESIZE   0x1000
#define elf_info_to_howto   ppc64_elf_info_to_howto
#define elf_backend_want_got_sym   0
#define elf_backend_want_plt_sym   0
#define elf_backend_plt_alignment   3
#define elf_backend_plt_not_loaded   1
#define elf_backend_got_header_size   8
#define elf_backend_can_gc_sections   1
#define elf_backend_can_refcount   1
#define elf_backend_rela_normal   1
#define elf_backend_default_execstack   0
#define bfd_elf64_mkobject   ppc64_elf_mkobject
#define bfd_elf64_bfd_reloc_type_lookup   ppc64_elf_reloc_type_lookup
#define bfd_elf64_bfd_reloc_name_lookup   ppc64_elf_reloc_name_lookup
#define bfd_elf64_bfd_merge_private_bfd_data   ppc64_elf_merge_private_bfd_data
#define bfd_elf64_new_section_hook   ppc64_elf_new_section_hook
#define bfd_elf64_bfd_link_hash_table_create   ppc64_elf_link_hash_table_create
#define bfd_elf64_bfd_link_hash_table_free   ppc64_elf_link_hash_table_free
#define bfd_elf64_get_synthetic_symtab   ppc64_elf_get_synthetic_symtab
#define elf_backend_object_p   ppc64_elf_object_p
#define elf_backend_grok_prstatus   ppc64_elf_grok_prstatus
#define elf_backend_grok_psinfo   ppc64_elf_grok_psinfo
#define elf_backend_write_core_note   ppc64_elf_write_core_note
#define elf_backend_create_dynamic_sections   ppc64_elf_create_dynamic_sections
#define elf_backend_copy_indirect_symbol   ppc64_elf_copy_indirect_symbol
#define elf_backend_add_symbol_hook   ppc64_elf_add_symbol_hook
#define elf_backend_check_directives   ppc64_elf_check_directives
#define elf_backend_as_needed_cleanup   ppc64_elf_as_needed_cleanup
#define elf_backend_archive_symbol_lookup   ppc64_elf_archive_symbol_lookup
#define elf_backend_check_relocs   ppc64_elf_check_relocs
#define elf_backend_gc_mark_dynamic_ref   ppc64_elf_gc_mark_dynamic_ref
#define elf_backend_gc_mark_hook   ppc64_elf_gc_mark_hook
#define elf_backend_gc_sweep_hook   ppc64_elf_gc_sweep_hook
#define elf_backend_adjust_dynamic_symbol   ppc64_elf_adjust_dynamic_symbol
#define elf_backend_hide_symbol   ppc64_elf_hide_symbol
#define elf_backend_always_size_sections   ppc64_elf_func_desc_adjust
#define elf_backend_size_dynamic_sections   ppc64_elf_size_dynamic_sections
#define elf_backend_init_index_section   _bfd_elf_init_2_index_sections
#define elf_backend_action_discarded   ppc64_elf_action_discarded
#define elf_backend_relocate_section   ppc64_elf_relocate_section
#define elf_backend_finish_dynamic_symbol   ppc64_elf_finish_dynamic_symbol
#define elf_backend_reloc_type_class   ppc64_elf_reloc_type_class
#define elf_backend_finish_dynamic_sections   ppc64_elf_finish_dynamic_sections
#define elf_backend_link_output_symbol_hook   ppc64_elf_output_symbol_hook
#define elf_backend_special_sections   ppc64_elf_special_sections
#define ELF_DYNAMIC_INTERPRETER   "/usr/lib/ld.so.1"
#define PLT_ENTRY_SIZE   24
#define PLT_INITIAL_ENTRY_SIZE   PLT_ENTRY_SIZE
#define TOC_BASE_OFF   0x8000
#define TP_OFFSET   0x7000
#define DTP_OFFSET   0x8000
#define PLT_CALL_STUB_SIZE   (7*4)
#define ADDIS_R12_R2   0x3d820000 /* addis %r12,%r2,xxx@ha */
#define STD_R2_40R1   0xf8410028 /* std %r2,40(%r1) */
#define LD_R11_0R12   0xe96c0000 /* ld %r11,xxx+0@l(%r12) */
#define LD_R2_0R12   0xe84c0000 /* ld %r2,xxx+8@l(%r12) */
#define MTCTR_R11   0x7d6903a6 /* mtctr %r11 */
#define BCTR   0x4e800420 /* bctr */
#define ADDIS_R12_R12   0x3d8c0000 /* addis %r12,%r12,off@ha */
#define ADDIS_R2_R2   0x3c420000 /* addis %r2,%r2,off@ha */
#define ADDI_R2_R2   0x38420000 /* addi %r2,%r2,off@l */
#define LD_R2_40R1   0xe8410028 /* ld %r2,40(%r1) */
#define GLINK_CALL_STUB_SIZE   (16*4)
#define MFLR_R12   0x7d8802a6 /* mflr %12 */
#define BCL_20_31   0x429f0005 /* bcl 20,31,1f */
#define MFLR_R11   0x7d6802a6 /* mflr %11 */
#define LD_R2_M16R11   0xe84bfff0 /* ld %2,(0b-1b)(%11) */
#define MTLR_R12   0x7d8803a6 /* mtlr %12 */
#define ADD_R12_R2_R11   0x7d825a14 /* add %12,%2,%11 */
#define NOP   0x60000000
#define CROR_151515   0x4def7b82
#define CROR_313131   0x4ffffb82
#define LI_R0_0   0x38000000 /* li %r0,0 */
#define B_DOT   0x48000000 /* b . */
#define LIS_R0_0   0x3c000000 /* lis %r0,0 */
#define ORI_R0_R0_0   0x60000000 /* ori %r0,%r0,0 */
#define STD_R0_0R1   0xf8010000 /* std %r0,0(%r1) */
#define STD_R0_0R12   0xf80c0000 /* std %r0,0(%r12) */
#define LD_R0_0R1   0xe8010000 /* ld %r0,0(%r1) */
#define LD_R0_0R12   0xe80c0000 /* ld %r0,0(%r12) */
#define STFD_FR0_0R1   0xd8010000 /* stfd %fr0,0(%r1) */
#define LFD_FR0_0R1   0xc8010000 /* lfd %fr0,0(%r1) */
#define LI_R12_0   0x39800000 /* li %r12,0 */
#define STVX_VR0_R12_R0   0x7c0c01ce /* stvx %v0,%r12,%r0 */
#define LVX_VR0_R12_R0   0x7c0c00ce /* lvx %v0,%r12,%r0 */
#define MTLR_R0   0x7c0803a6 /* mtlr %r0 */
#define BLR   0x4e800020 /* blr */
#define NO_OPD_RELOCS   0
#define ONES(n)   (((bfd_vma) 1 << ((n) - 1) << 1) - 1)
#define ppc64_elf_tdata(bfd)   ((struct ppc64_elf_obj_tdata *) (bfd)->tdata.any)
#define ppc64_tlsld_got(bfd)   (&ppc64_elf_tdata (bfd)->tlsld_got)
#define ppc64_elf_section_data(sec)   ((struct _ppc64_elf_section_data *) elf_section_data (sec))
#define MUST_BE_DYN_RELOC(RTYPE)
#define ELIMINATE_COPY_RELOCS   1
#define STUB_SUFFIX   ".stub"
#define TLS_GD   1 /* GD reloc. */
#define TLS_LD   2 /* LD reloc. */
#define TLS_TPREL   4 /* TPREL reloc, => IE. */
#define TLS_DTPREL   8 /* DTPREL reloc, => LD. */
#define TLS_TLS   16 /* Any TLS reloc. */
#define TLS_EXPLICIT   32 /* Marks TOC section TLS relocs. */
#define TLS_TPRELGD   64 /* TPREL reloc resulting from GD->IE. */
#define has_toc_reloc   has_gp_reloc
#define makes_toc_func_call   need_finalize_relax
#define call_check_in_progress   reloc_done
#define ppc_hash_table(p)   ((struct ppc_link_hash_table *) ((p)->hash))
#define ppc_stub_hash_lookup(table, string, create, copy)
#define ppc_branch_hash_lookup(table, string, create, copy)
#define SFPR_MAX   (218*4)
#define add_dynamic_entry(TAG, VAL)   _bfd_elf_add_dynamic_entry (info, TAG, VAL)
#define PPC_LO(v)   ((v) & 0xffff)
#define PPC_HI(v)   (((v) >> 16) & 0xffff)
#define PPC_HA(v)   PPC_HI ((v) + 0x8000)
#define PREV_SEC(sec)   (htab->stub_group[(sec)->id].link_sec)

Enumerations

enum  _ppc64_sec_type { sec_normal = 0, sec_opd = 1, sec_toc = 2 }
enum  ppc_stub_type {
  ppc_stub_none, ppc_stub_long_branch, ppc_stub_long_branch_r2off, ppc_stub_plt_branch,
  ppc_stub_plt_branch_r2off, ppc_stub_plt_call
}

Functions

static bfd_reloc_status_type ppc64_elf_ha_reloc (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **)
static bfd_reloc_status_type ppc64_elf_branch_reloc (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **)
static bfd_reloc_status_type ppc64_elf_brtaken_reloc (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **)
static bfd_reloc_status_type ppc64_elf_sectoff_reloc (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **)
static bfd_reloc_status_type ppc64_elf_sectoff_ha_reloc (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **)
static bfd_reloc_status_type ppc64_elf_toc_reloc (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **)
static bfd_reloc_status_type ppc64_elf_toc_ha_reloc (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **)
static bfd_reloc_status_type ppc64_elf_toc64_reloc (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **)
static bfd_reloc_status_type ppc64_elf_unhandled_reloc (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **)
static bfd_vma opd_entry_value (asection *, bfd_vma, asection **, bfd_vma *)
static void ppc_howto_init (void)
static reloc_howto_type * ppc64_elf_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, bfd_reloc_code_real_type code)
static reloc_howto_type * ppc64_elf_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, const char *r_name)
static void ppc64_elf_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *cache_ptr, Elf_Internal_Rela *dst)
static bfd_boolean ppc64_elf_mkobject (bfd *abfd)
static bfd_boolean is_ppc64_elf_target (const struct bfd_target *targ)
static bfd_boolean ppc64_elf_object_p (bfd *abfd)
static bfd_boolean ppc64_elf_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
static bfd_boolean ppc64_elf_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
static char * ppc64_elf_write_core_note (bfd *abfd, char *buf, int *bufsiz, int note_type,...)
static bfd_boolean ppc64_elf_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
static bfd_boolean ppc64_elf_new_section_hook (bfd *abfd, asection *sec)
static void * get_opd_info (asection *sec)
static int compare_symbols (const void *ap, const void *bp)
static asymbolsym_exists_at (asymbol **syms, long lo, long hi, int id, bfd_vma value)
static long ppc64_elf_get_synthetic_symtab (bfd *abfd, long static_count, asymbol **static_syms, long dyn_count, asymbol **dyn_syms, asymbol **ret)
static struct bfd_hash_entrystub_hash_newfunc (struct bfd_hash_entry *entry, struct bfd_hash_table *table, const char *string)
static struct bfd_hash_entrybranch_hash_newfunc (struct bfd_hash_entry *entry, struct bfd_hash_table *table, const char *string)
static struct bfd_hash_entrylink_hash_newfunc (struct bfd_hash_entry *entry, struct bfd_hash_table *table, const char *string)
static struct bfd_link_hash_tableppc64_elf_link_hash_table_create (bfd *abfd)
static void ppc64_elf_link_hash_table_free (struct bfd_link_hash_table *hash)
void ppc64_elf_init_stub_bfd (bfd *abfd, struct bfd_link_info *info)
static char * ppc_stub_name (const asection *input_section, const asection *sym_sec, const struct ppc_link_hash_entry *h, const Elf_Internal_Rela *rel)
static struct ppc_stub_hash_entryppc_get_stub_entry (const asection *input_section, const asection *sym_sec, struct ppc_link_hash_entry *h, const Elf_Internal_Rela *rel, struct ppc_link_hash_table *htab)
static struct ppc_stub_hash_entryppc_add_stub (const char *stub_name, asection *section, struct ppc_link_hash_table *htab)
static bfd_boolean create_linkage_sections (bfd *dynobj, struct bfd_link_info *info)
static bfd_boolean create_got_section (bfd *abfd, struct bfd_link_info *info)
static bfd_boolean ppc64_elf_create_dynamic_sections (bfd *dynobj, struct bfd_link_info *info)
static void move_plt_plist (struct ppc_link_hash_entry *from, struct ppc_link_hash_entry *to)
static void ppc64_elf_copy_indirect_symbol (struct bfd_link_info *info, struct elf_link_hash_entry *dir, struct elf_link_hash_entry *ind)
static struct ppc_link_hash_entryget_fdh (struct ppc_link_hash_entry *fh, struct ppc_link_hash_table *htab)
static struct ppc_link_hash_entrymake_fdh (struct bfd_link_info *info, struct ppc_link_hash_entry *fh)
static bfd_boolean ppc64_elf_add_symbol_hook (bfd *ibfd ATTRIBUTE_UNUSED, struct bfd_link_info *info ATTRIBUTE_UNUSED, Elf_Internal_Sym *isym, const char **name ATTRIBUTE_UNUSED, flagword *flags ATTRIBUTE_UNUSED, asection **sec, bfd_vma *value ATTRIBUTE_UNUSED)
static struct elf_link_hash_entryppc64_elf_archive_symbol_lookup (bfd *abfd, struct bfd_link_info *info, const char *name)
static bfd_boolean add_symbol_adjust (struct ppc_link_hash_entry *eh, struct bfd_link_info *info)
static bfd_boolean ppc64_elf_check_directives (bfd *ibfd, struct bfd_link_info *info)
static bfd_boolean ppc64_elf_as_needed_cleanup (bfd *ibfd ATTRIBUTE_UNUSED, struct bfd_link_info *info)
static bfd_boolean update_local_sym_info (bfd *abfd, Elf_Internal_Shdr *symtab_hdr, unsigned long r_symndx, bfd_vma r_addend, int tls_type)
static bfd_boolean update_plt_info (bfd *abfd, struct ppc_link_hash_entry *eh, bfd_vma addend)
static bfd_boolean ppc64_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec, const Elf_Internal_Rela *relocs)
static bfd_boolean ppc64_elf_gc_mark_dynamic_ref (struct elf_link_hash_entry *h, void *inf)
static asectionppc64_elf_gc_mark_hook (asection *sec, struct bfd_link_info *info, Elf_Internal_Rela *rel, struct elf_link_hash_entry *h, Elf_Internal_Sym *sym)
static bfd_boolean ppc64_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info, asection *sec, const Elf_Internal_Rela *relocs)
static unsigned int sfpr_define (struct bfd_link_info *info, const struct sfpr_def_parms *parm)
static bfd_bytesavegpr0 (bfd *abfd, bfd_byte *p, int r)
static bfd_bytesavegpr0_tail (bfd *abfd, bfd_byte *p, int r)
static bfd_byterestgpr0 (bfd *abfd, bfd_byte *p, int r)
static bfd_byterestgpr0_tail (bfd *abfd, bfd_byte *p, int r)
static bfd_bytesavegpr1 (bfd *abfd, bfd_byte *p, int r)
static bfd_bytesavegpr1_tail (bfd *abfd, bfd_byte *p, int r)
static bfd_byterestgpr1 (bfd *abfd, bfd_byte *p, int r)
static bfd_byterestgpr1_tail (bfd *abfd, bfd_byte *p, int r)
static bfd_bytesavefpr (bfd *abfd, bfd_byte *p, int r)
static bfd_bytesavefpr0_tail (bfd *abfd, bfd_byte *p, int r)
static bfd_byterestfpr (bfd *abfd, bfd_byte *p, int r)
static bfd_byterestfpr0_tail (bfd *abfd, bfd_byte *p, int r)
static bfd_bytesavefpr1_tail (bfd *abfd, bfd_byte *p, int r)
static bfd_byterestfpr1_tail (bfd *abfd, bfd_byte *p, int r)
static bfd_bytesavevr (bfd *abfd, bfd_byte *p, int r)
static bfd_bytesavevr_tail (bfd *abfd, bfd_byte *p, int r)
static bfd_byterestvr (bfd *abfd, bfd_byte *p, int r)
static bfd_byterestvr_tail (bfd *abfd, bfd_byte *p, int r)
static bfd_boolean func_desc_adjust (struct elf_link_hash_entry *h, void *inf)
static bfd_boolean ppc64_elf_func_desc_adjust (bfd *obfd ATTRIBUTE_UNUSED, struct bfd_link_info *info)
static bfd_boolean ppc64_elf_adjust_dynamic_symbol (struct bfd_link_info *info, struct elf_link_hash_entry *h)
static void ppc64_elf_hide_symbol (struct bfd_link_info *info, struct elf_link_hash_entry *h, bfd_boolean force_local)
static bfd_boolean get_sym_h (struct elf_link_hash_entry **hp, Elf_Internal_Sym **symp, asection **symsecp, char **tls_maskp, Elf_Internal_Sym **locsymsp, unsigned long r_symndx, bfd *ibfd)
static int get_tls_mask (char **tls_maskp, unsigned long *toc_symndx, Elf_Internal_Sym **locsymsp, const Elf_Internal_Rela *rel, bfd *ibfd)
static bfd_boolean adjust_opd_syms (struct elf_link_hash_entry *h, void *inf ATTRIBUTE_UNUSED)
static bfd_boolean dec_dynrel_count (bfd_vma r_info, asection *sec, struct bfd_link_info *info, Elf_Internal_Sym **local_syms, struct elf_link_hash_entry *h, asection *sym_sec)
bfd_boolean ppc64_elf_edit_opd (bfd *obfd, struct bfd_link_info *info, bfd_boolean no_opd_opt, bfd_boolean non_overlapping)
asectionppc64_elf_tls_setup (bfd *obfd, struct bfd_link_info *info)
bfd_boolean ppc64_elf_tls_optimize (bfd *obfd ATTRIBUTE_UNUSED, struct bfd_link_info *info)
static bfd_boolean adjust_toc_syms (struct elf_link_hash_entry *h, void *inf)
bfd_boolean ppc64_elf_edit_toc (bfd *obfd ATTRIBUTE_UNUSED, struct bfd_link_info *info)
static bfd_boolean allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
static bfd_boolean readonly_dynrelocs (struct elf_link_hash_entry *h, void *inf)
static bfd_boolean ppc64_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED, struct bfd_link_info *info)
static enum ppc_stub_type ppc_type_of_stub (asection *input_sec, const Elf_Internal_Rela *rel, struct ppc_link_hash_entry **hash, bfd_vma destination)
static bfd_bytebuild_plt_stub (bfd *obfd, bfd_byte *p, int offset)
static bfd_boolean ppc_build_one_stub (struct bfd_hash_entry *gen_entry, void *in_arg)
static bfd_boolean ppc_size_one_stub (struct bfd_hash_entry *gen_entry, void *in_arg)
int ppc64_elf_setup_section_lists (bfd *output_bfd, struct bfd_link_info *info, int no_multi_toc)
void ppc64_elf_next_toc_section (struct bfd_link_info *info, asection *isec)
void ppc64_elf_reinit_toc (bfd *output_bfd, struct bfd_link_info *info)
static int toc_adjusting_stub_needed (struct bfd_link_info *info, asection *isec)
bfd_boolean ppc64_elf_next_input_section (struct bfd_link_info *info, asection *isec)
static void group_sections (struct ppc_link_hash_table *htab, bfd_size_type stub_group_size, bfd_boolean stubs_always_before_branch)
bfd_boolean ppc64_elf_size_stubs (bfd *output_bfd, struct bfd_link_info *info, bfd_signed_vma group_size, asection *(*add_stub_section)(const char *, asection *), void(*layout_sections_again)(void))
bfd_vma ppc64_elf_toc (bfd *obfd)
bfd_boolean ppc64_elf_build_stubs (bfd_boolean emit_stub_syms, struct bfd_link_info *info, char **stats)
static bfd_boolean undo_symbol_twiddle (struct elf_link_hash_entry *h, void *inf ATTRIBUTE_UNUSED)
void ppc64_elf_restore_symbols (struct bfd_link_info *info)
static unsigned int ppc64_elf_action_discarded (asection *sec)
static bfd_boolean ppc64_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info, bfd *input_bfd, asection *input_section, bfd_byte *contents, Elf_Internal_Rela *relocs, Elf_Internal_Sym *local_syms, asection **local_sections)
static bfd_boolean ppc64_elf_output_symbol_hook (struct bfd_link_info *info, const char *name ATTRIBUTE_UNUSED, Elf_Internal_Sym *elfsym, asection *input_sec, struct elf_link_hash_entry *h)
static bfd_boolean ppc64_elf_finish_dynamic_symbol (bfd *output_bfd, struct bfd_link_info *info, struct elf_link_hash_entry *h, Elf_Internal_Sym *sym)
static enum elf_reloc_type_class ppc64_elf_reloc_type_class (const Elf_Internal_Rela *rela)
static bfd_boolean ppc64_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)

Variables

static reloc_howto_type * ppc64_elf_howto_table [(int) R_PPC64_max]
static reloc_howto_type ppc64_elf_howto_raw []
static struct bfd_elf_special_section []
static asectionsynthetic_opd
static bfd_boolean synthetic_relocatable

Class Documentation

struct ppc64_elf_obj_tdata

Definition at line 2393 of file elf64-ppc.c.

Collaboration diagram for ppc64_elf_obj_tdata:
Class Members
asection * deleted_section
asection * got
Elf_Internal_Rela * opd_relocs
asection * relgot
union ppc64_elf_obj_tdata tlsld_got
struct _ppc64_elf_section_data

Definition at line 2602 of file elf64-ppc.c.

Class Members
unsigned int has_14bit_branch:1
union _ppc64_elf_section_data u
struct ppc_dyn_relocs

Definition at line 3133 of file elf64-ppc.c.

Collaboration diagram for ppc_dyn_relocs:
Class Members
bfd_size_type count
struct ppc_dyn_relocs * next
bfd_size_type pc_count
asection * sec
struct got_entry

Definition at line 3149 of file elf64-ppc.c.

Collaboration diagram for got_entry:
Class Members
bfd_vma addend
union got_entry got
struct got_entry * next
bfd * owner
char tls_type
struct plt_entry

Definition at line 2309 of file elf32-ppc.c.

Collaboration diagram for plt_entry:
Class Members
bfd_vma addend
bfd_vma glink_offset
struct plt_entry * next
union plt_entry plt
union plt_entry plt
asection * sec
struct ppc_stub_hash_entry

Definition at line 3274 of file elf64-ppc.c.

Collaboration diagram for ppc_stub_hash_entry:
Class Members
bfd_vma addend
enum ppc_stub_type asection
*stub_sec bfd_vma stub_offset
bfd_vma target_value asection
*target_section struct
ppc_link_hash_entry *
h
asection * id_sec
struct ppc_branch_hash_entry

Definition at line 3303 of file elf64-ppc.c.

Class Members
unsigned int iter
unsigned int offset
struct ppc_link_hash_entry

Definition at line 3315 of file elf64-ppc.c.

Collaboration diagram for ppc_link_hash_entry:
Class Members
unsigned int adjust_done:1
struct ppc_dyn_relocs * dyn_relocs
unsigned int fake:1
unsigned int is_func:1
unsigned int is_func_descriptor:1
struct ppc_link_hash_entry * oh
char tls_mask
union ppc_link_hash_entry u
unsigned int was_undefined:1
struct ppc_link_hash_table::map_stub

Definition at line 3386 of file elf64-ppc.c.

Collaboration diagram for ppc_link_hash_table::map_stub:
Class Members
asection * link_sec
asection * stub_sec
bfd_vma toc_off
struct adjust_toc_info

Definition at line 7138 of file elf64-ppc.c.

Collaboration diagram for adjust_toc_info:
Class Members
bfd_boolean global_toc_syms
unsigned long * skip
asection * toc
union plt_entry.plt

Definition at line 3183 of file elf64-ppc.c.

Class Members
bfd_vma offset
bfd_signed_vma refcount
union ppc64_elf_obj_tdata.tlsld_got

Definition at line 2407 of file elf64-ppc.c.

Class Members
bfd_vma offset
bfd_signed_vma refcount
union _ppc64_elf_section_data.u

Definition at line 2607 of file elf64-ppc.c.

Class Members
long * opd_adjust
asection ** opd_func_sec
unsigned * t_symndx
union got_entry.got

Definition at line 3169 of file elf64-ppc.c.

Class Members
bfd_vma offset
bfd_signed_vma refcount
union ppc_link_hash_entry.u

Definition at line 3319 of file elf64-ppc.c.

Class Members
struct ppc_link_hash_entry * next_dot_sym
struct ppc_stub_hash_entry * stub_cache

Define Documentation

#define add_dynamic_entry (   TAG,
  VAL 
)    _bfd_elf_add_dynamic_entry (info, TAG, VAL)
#define ADD_R12_R2_R11   0x7d825a14 /* add %12,%2,%11 */

Definition at line 161 of file elf64-ppc.c.

#define ADDI_R2_R2   0x38420000 /* addi %r2,%r2,off@l */

Definition at line 146 of file elf64-ppc.c.

#define ADDIS_R12_R12   0x3d8c0000 /* addis %r12,%r12,off@ha */

Definition at line 144 of file elf64-ppc.c.

#define ADDIS_R12_R2   0x3d820000 /* addis %r12,%r2,xxx@ha */

Definition at line 135 of file elf64-ppc.c.

#define ADDIS_R2_R2   0x3c420000 /* addis %r2,%r2,off@ha */

Definition at line 145 of file elf64-ppc.c.

#define B_DOT   0x48000000 /* b . */

Definition at line 177 of file elf64-ppc.c.

#define BCL_20_31   0x429f0005 /* bcl 20,31,1f */

Definition at line 156 of file elf64-ppc.c.

#define BCTR   0x4e800420 /* bctr */

Definition at line 141 of file elf64-ppc.c.

Definition at line 83 of file elf64-ppc.c.

Definition at line 84 of file elf64-ppc.c.

Definition at line 81 of file elf64-ppc.c.

Definition at line 80 of file elf64-ppc.c.

Definition at line 79 of file elf64-ppc.c.

Definition at line 85 of file elf64-ppc.c.

Definition at line 78 of file elf64-ppc.c.

Definition at line 82 of file elf64-ppc.c.

#define BLR   0x4e800020 /* blr */

Definition at line 195 of file elf64-ppc.c.

#define call_check_in_progress   reloc_done

Definition at line 3455 of file elf64-ppc.c.

#define CROR_151515   0x4def7b82

Definition at line 172 of file elf64-ppc.c.

#define CROR_313131   0x4ffffb82

Definition at line 173 of file elf64-ppc.c.

#define DTP_OFFSET   0x8000

Definition at line 129 of file elf64-ppc.c.

#define ELF_ARCH   bfd_arch_powerpc

Definition at line 62 of file elf64-ppc.c.

Definition at line 106 of file elf64-ppc.c.

Definition at line 93 of file elf64-ppc.c.

Definition at line 101 of file elf64-ppc.c.

Definition at line 103 of file elf64-ppc.c.

Definition at line 96 of file elf64-ppc.c.

Definition at line 95 of file elf64-ppc.c.

Definition at line 73 of file elf64-ppc.c.

#define elf_backend_can_refcount   1

Definition at line 74 of file elf64-ppc.c.

Definition at line 94 of file elf64-ppc.c.

Definition at line 97 of file elf64-ppc.c.

Definition at line 92 of file elf64-ppc.c.

Definition at line 91 of file elf64-ppc.c.

Definition at line 76 of file elf64-ppc.c.

Definition at line 110 of file elf64-ppc.c.

Definition at line 108 of file elf64-ppc.c.

Definition at line 98 of file elf64-ppc.c.

Definition at line 99 of file elf64-ppc.c.

Definition at line 100 of file elf64-ppc.c.

Definition at line 72 of file elf64-ppc.c.

Definition at line 88 of file elf64-ppc.c.

Definition at line 89 of file elf64-ppc.c.

Definition at line 102 of file elf64-ppc.c.

Definition at line 105 of file elf64-ppc.c.

Definition at line 111 of file elf64-ppc.c.

Definition at line 87 of file elf64-ppc.c.

#define elf_backend_plt_alignment   3

Definition at line 70 of file elf64-ppc.c.

Definition at line 71 of file elf64-ppc.c.

#define elf_backend_rela_normal   1

Definition at line 75 of file elf64-ppc.c.

Definition at line 109 of file elf64-ppc.c.

Definition at line 107 of file elf64-ppc.c.

Definition at line 104 of file elf64-ppc.c.

#define elf_backend_special_sections   ppc64_elf_special_sections

Definition at line 112 of file elf64-ppc.c.

#define elf_backend_want_got_sym   0

Definition at line 68 of file elf64-ppc.c.

#define elf_backend_want_plt_sym   0

Definition at line 69 of file elf64-ppc.c.

Definition at line 90 of file elf64-ppc.c.

#define ELF_COMMONPAGESIZE   0x1000

Definition at line 65 of file elf64-ppc.c.

#define ELF_DYNAMIC_INTERPRETER   "/usr/lib/ld.so.1"

Definition at line 116 of file elf64-ppc.c.

Definition at line 66 of file elf64-ppc.c.

#define ELF_MACHINE_CODE   EM_PPC64

Definition at line 63 of file elf64-ppc.c.

#define ELF_MAXPAGESIZE   0x10000

Definition at line 64 of file elf64-ppc.c.

#define ELIMINATE_COPY_RELOCS   1

Definition at line 3214 of file elf64-ppc.c.

#define GLINK_CALL_STUB_SIZE   (16*4)

Definition at line 151 of file elf64-ppc.c.

#define has_toc_reloc   has_gp_reloc

Definition at line 3453 of file elf64-ppc.c.

#define LD_R0_0R1   0xe8010000 /* ld %r0,0(%r1) */

Definition at line 187 of file elf64-ppc.c.

#define LD_R0_0R12   0xe80c0000 /* ld %r0,0(%r12) */

Definition at line 188 of file elf64-ppc.c.

#define LD_R11_0R12   0xe96c0000 /* ld %r11,xxx+0@l(%r12) */

Definition at line 137 of file elf64-ppc.c.

#define LD_R2_0R12   0xe84c0000 /* ld %r2,xxx+8@l(%r12) */

Definition at line 138 of file elf64-ppc.c.

#define LD_R2_40R1   0xe8410028 /* ld %r2,40(%r1) */

Definition at line 148 of file elf64-ppc.c.

#define LD_R2_M16R11   0xe84bfff0 /* ld %2,(0b-1b)(%11) */

Definition at line 159 of file elf64-ppc.c.

#define LFD_FR0_0R1   0xc8010000 /* lfd %fr0,0(%r1) */

Definition at line 190 of file elf64-ppc.c.

#define LI_R0_0   0x38000000 /* li %r0,0 */

Definition at line 176 of file elf64-ppc.c.

#define LI_R12_0   0x39800000 /* li %r12,0 */

Definition at line 191 of file elf64-ppc.c.

#define LIS_R0_0   0x3c000000 /* lis %r0,0 */

Definition at line 181 of file elf64-ppc.c.

#define LVX_VR0_R12_R0   0x7c0c00ce /* lvx %v0,%r12,%r0 */

Definition at line 193 of file elf64-ppc.c.

#define makes_toc_func_call   need_finalize_relax

Definition at line 3454 of file elf64-ppc.c.

#define MFLR_R11   0x7d6802a6 /* mflr %11 */

Definition at line 158 of file elf64-ppc.c.

#define MFLR_R12   0x7d8802a6 /* mflr %12 */

Definition at line 155 of file elf64-ppc.c.

#define MTCTR_R11   0x7d6903a6 /* mtctr %r11 */

Definition at line 139 of file elf64-ppc.c.

#define MTLR_R0   0x7c0803a6 /* mtlr %r0 */

Definition at line 194 of file elf64-ppc.c.

#define MTLR_R12   0x7d8803a6 /* mtlr %12 */

Definition at line 160 of file elf64-ppc.c.

#define MUST_BE_DYN_RELOC (   RTYPE)
Value:
((RTYPE) != R_PPC64_REL32                 \
   && (RTYPE) != R_PPC64_REL64                   \
   && (RTYPE) != R_PPC64_REL30)

Definition at line 3194 of file elf64-ppc.c.

#define NO_OPD_RELOCS   0

Definition at line 202 of file elf64-ppc.c.

#define NOP   0x60000000

Definition at line 169 of file elf64-ppc.c.

#define ONES (   n)    (((bfd_vma) 1 << ((n) - 1) << 1) - 1)

Definition at line 205 of file elf64-ppc.c.

#define ORI_R0_R0_0   0x60000000 /* ori %r0,%r0,0 */

Definition at line 182 of file elf64-ppc.c.

#define PLT_CALL_STUB_SIZE   (7*4)

Definition at line 134 of file elf64-ppc.c.

#define PLT_ENTRY_SIZE   24

Definition at line 119 of file elf64-ppc.c.

Definition at line 122 of file elf64-ppc.c.

Definition at line 2626 of file elf64-ppc.c.

#define ppc64_elf_tdata (   bfd)    ((struct ppc64_elf_obj_tdata *) (bfd)->tdata.any)

Definition at line 2416 of file elf64-ppc.c.

#define ppc64_tlsld_got (   bfd)    (&ppc64_elf_tdata (bfd)->tlsld_got)

Definition at line 2419 of file elf64-ppc.c.

#define ppc_branch_hash_lookup (   table,
  string,
  create,
  copy 
)
Value:
((struct ppc_branch_hash_entry *) \
   bfd_hash_lookup ((table), (string), (create), (copy)))

Definition at line 3466 of file elf64-ppc.c.

#define PPC_HA (   v)    PPC_HI ((v) + 0x8000)
#define ppc_hash_table (   p)    ((struct ppc_link_hash_table *) ((p)->hash))

Definition at line 3459 of file elf64-ppc.c.

#define PPC_HI (   v)    (((v) >> 16) & 0xffff)
#define PPC_LO (   v)    ((v) & 0xffff)
#define ppc_stub_hash_lookup (   table,
  string,
  create,
  copy 
)
Value:
((struct ppc_stub_hash_entry *) \
   bfd_hash_lookup ((table), (string), (create), (copy)))

Definition at line 3462 of file elf64-ppc.c.

#define PREV_SEC (   sec)    (htab->stub_group[(sec)->id].link_sec)
#define SFPR_MAX   (218*4)

Definition at line 5383 of file elf64-ppc.c.

#define STD_R0_0R1   0xf8010000 /* std %r0,0(%r1) */

Definition at line 185 of file elf64-ppc.c.

#define STD_R0_0R12   0xf80c0000 /* std %r0,0(%r12) */

Definition at line 186 of file elf64-ppc.c.

#define STD_R2_40R1   0xf8410028 /* std %r2,40(%r1) */

Definition at line 136 of file elf64-ppc.c.

#define STFD_FR0_0R1   0xd8010000 /* stfd %fr0,0(%r1) */

Definition at line 189 of file elf64-ppc.c.

#define STUB_SUFFIX   ".stub"

Definition at line 3218 of file elf64-ppc.c.

#define STVX_VR0_R12_R0   0x7c0c01ce /* stvx %v0,%r12,%r0 */

Definition at line 192 of file elf64-ppc.c.

#define TARGET_BIG_NAME   "elf64-powerpc"

Definition at line 61 of file elf64-ppc.c.

Definition at line 60 of file elf64-ppc.c.

#define TARGET_LITTLE_NAME   "elf64-powerpcle"

Definition at line 59 of file elf64-ppc.c.

Definition at line 58 of file elf64-ppc.c.

#define TLS_DTPREL   8 /* DTPREL reloc, => LD. */

Definition at line 3358 of file elf64-ppc.c.

#define TLS_EXPLICIT   32 /* Marks TOC section TLS relocs. */

Definition at line 3360 of file elf64-ppc.c.

#define TLS_GD   1 /* GD reloc. */

Definition at line 3355 of file elf64-ppc.c.

#define TLS_LD   2 /* LD reloc. */

Definition at line 3356 of file elf64-ppc.c.

#define TLS_TLS   16 /* Any TLS reloc. */

Definition at line 3359 of file elf64-ppc.c.

#define TLS_TPREL   4 /* TPREL reloc, => IE. */

Definition at line 3357 of file elf64-ppc.c.

#define TLS_TPRELGD   64 /* TPREL reloc resulting from GD->IE. */

Definition at line 3361 of file elf64-ppc.c.

#define TOC_BASE_OFF   0x8000

Definition at line 125 of file elf64-ppc.c.

#define TP_OFFSET   0x7000

Definition at line 128 of file elf64-ppc.c.


Enumeration Type Documentation

Enumerator:
sec_normal 
sec_opd 
sec_toc 

Definition at line 2596 of file elf64-ppc.c.

                     {
  sec_normal = 0,
  sec_opd = 1,
  sec_toc = 2
};
Enumerator:
ppc_stub_none 
ppc_stub_long_branch 
ppc_stub_long_branch_r2off 
ppc_stub_plt_branch 
ppc_stub_plt_branch_r2off 
ppc_stub_plt_call 

Definition at line 3265 of file elf64-ppc.c.


Function Documentation

Definition at line 4200 of file elf64-ppc.c.

{
  struct ppc_link_hash_table *htab;
  struct ppc_link_hash_entry *fdh;

  if (eh->elf.root.type == bfd_link_hash_indirect)
    return TRUE;

  if (eh->elf.root.type == bfd_link_hash_warning)
    eh = (struct ppc_link_hash_entry *) eh->elf.root.u.i.link;

  if (eh->elf.root.root.string[0] != '.')
    abort ();

  htab = ppc_hash_table (info);
  fdh = get_fdh (eh, htab);
  if (fdh == NULL
      && !info->relocatable
      && (eh->elf.root.type == bfd_link_hash_undefined
         || eh->elf.root.type == bfd_link_hash_undefweak)
      && eh->elf.ref_regular)
    {
      /* Make an undefweak function descriptor sym, which is enough to
        pull in an --as-needed shared lib, but won't cause link
        errors.  Archives are handled elsewhere.  */
      fdh = make_fdh (info, eh);
      if (fdh == NULL)
       return FALSE;
      else
       fdh->elf.ref_regular = 1;
    }
  else if (fdh != NULL)
    {
      unsigned entry_vis = ELF_ST_VISIBILITY (eh->elf.other) - 1;
      unsigned descr_vis = ELF_ST_VISIBILITY (fdh->elf.other) - 1;
      if (entry_vis < descr_vis)
       fdh->elf.other += entry_vis - descr_vis;
      else if (entry_vis > descr_vis)
       eh->elf.other += descr_vis - entry_vis;

      if ((fdh->elf.root.type == bfd_link_hash_defined
          || fdh->elf.root.type == bfd_link_hash_defweak)
         && eh->elf.root.type == bfd_link_hash_undefined)
       {
         eh->elf.root.type = bfd_link_hash_undefweak;
         eh->was_undefined = 1;
         htab->twiddled_syms = 1;
       }
    }

  return TRUE;
}

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static bfd_boolean adjust_opd_syms ( struct elf_link_hash_entry h,
void *inf  ATTRIBUTE_UNUSED 
) [static]

Definition at line 6156 of file elf64-ppc.c.

{
  struct ppc_link_hash_entry *eh;
  asection *sym_sec;
  long *opd_adjust;

  if (h->root.type == bfd_link_hash_indirect)
    return TRUE;

  if (h->root.type == bfd_link_hash_warning)
    h = (struct elf_link_hash_entry *) h->root.u.i.link;

  if (h->root.type != bfd_link_hash_defined
      && h->root.type != bfd_link_hash_defweak)
    return TRUE;

  eh = (struct ppc_link_hash_entry *) h;
  if (eh->adjust_done)
    return TRUE;

  sym_sec = eh->elf.root.u.def.section;
  opd_adjust = get_opd_info (sym_sec);
  if (opd_adjust != NULL)
    {
      long adjust = opd_adjust[eh->elf.root.u.def.value / 8];
      if (adjust == -1)
       {
         /* This entry has been deleted.  */
         asection *dsec = ppc64_elf_tdata (sym_sec->owner)->deleted_section;
         if (dsec == NULL)
           {
             for (dsec = sym_sec->owner->sections; dsec; dsec = dsec->next)
              if (elf_discarded_section (dsec))
                {
                  ppc64_elf_tdata (sym_sec->owner)->deleted_section = dsec;
                  break;
                }
           }
         eh->elf.root.u.def.value = 0;
         eh->elf.root.u.def.section = dsec;
       }
      else
       eh->elf.root.u.def.value += adjust;
      eh->adjust_done = 1;
    }
  return TRUE;
}

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static bfd_boolean adjust_toc_syms ( struct elf_link_hash_entry h,
void *  inf 
) [static]

Definition at line 7146 of file elf64-ppc.c.

{
  struct ppc_link_hash_entry *eh;
  struct adjust_toc_info *toc_inf = (struct adjust_toc_info *) inf;

  if (h->root.type == bfd_link_hash_indirect)
    return TRUE;

  if (h->root.type == bfd_link_hash_warning)
    h = (struct elf_link_hash_entry *) h->root.u.i.link;

  if (h->root.type != bfd_link_hash_defined
      && h->root.type != bfd_link_hash_defweak)
    return TRUE;

  eh = (struct ppc_link_hash_entry *) h;
  if (eh->adjust_done)
    return TRUE;

  if (eh->elf.root.u.def.section == toc_inf->toc)
    {
      unsigned long skip = toc_inf->skip[eh->elf.root.u.def.value >> 3];
      if (skip != (unsigned long) -1)
       eh->elf.root.u.def.value -= skip;
      else
       {
         (*_bfd_error_handler)
           (_("%s defined in removed toc entry"), eh->elf.root.root.string);
         eh->elf.root.u.def.section = &bfd_abs_section;
         eh->elf.root.u.def.value = 0;
       }
      eh->adjust_done = 1;
    }
  else if (strcmp (eh->elf.root.u.def.section->name, ".toc") == 0)
    toc_inf->global_toc_syms = TRUE;

  return TRUE;
}

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static bfd_boolean allocate_dynrelocs ( struct elf_link_hash_entry h,
void *  inf 
) [static]

Definition at line 7592 of file elf64-ppc.c.

{
  struct bfd_link_info *info;
  struct ppc_link_hash_table *htab;
  asection *s;
  struct ppc_link_hash_entry *eh;
  struct ppc_dyn_relocs *p;
  struct got_entry *gent;

  if (h->root.type == bfd_link_hash_indirect)
    return TRUE;

  if (h->root.type == bfd_link_hash_warning)
    h = (struct elf_link_hash_entry *) h->root.u.i.link;

  info = (struct bfd_link_info *) inf;
  htab = ppc_hash_table (info);

  if (htab->elf.dynamic_sections_created
      && h->dynindx != -1
      && WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, info->shared, h))
    {
      struct plt_entry *pent;
      bfd_boolean doneone = FALSE;
      for (pent = h->plt.plist; pent != NULL; pent = pent->next)
       if (pent->plt.refcount > 0)
         {
           /* If this is the first .plt entry, make room for the special
              first entry.  */
           s = htab->plt;
           if (s->size == 0)
             s->size += PLT_INITIAL_ENTRY_SIZE;

           pent->plt.offset = s->size;

           /* Make room for this entry.  */
           s->size += PLT_ENTRY_SIZE;

           /* Make room for the .glink code.  */
           s = htab->glink;
           if (s->size == 0)
             s->size += GLINK_CALL_STUB_SIZE;
           /* We need bigger stubs past index 32767.  */
           if (s->size >= GLINK_CALL_STUB_SIZE + 32768*2*4)
             s->size += 4;
           s->size += 2*4;

           /* We also need to make an entry in the .rela.plt section.  */
           s = htab->relplt;
           s->size += sizeof (Elf64_External_Rela);
           doneone = TRUE;
         }
       else
         pent->plt.offset = (bfd_vma) -1;
      if (!doneone)
       {
         h->plt.plist = NULL;
         h->needs_plt = 0;
       }
    }
  else
    {
      h->plt.plist = NULL;
      h->needs_plt = 0;
    }

  eh = (struct ppc_link_hash_entry *) h;
  /* Run through the TLS GD got entries first if we're changing them
     to TPREL.  */
  if ((eh->tls_mask & TLS_TPRELGD) != 0)
    for (gent = h->got.glist; gent != NULL; gent = gent->next)
      if (gent->got.refcount > 0
         && (gent->tls_type & TLS_GD) != 0)
       {
         /* This was a GD entry that has been converted to TPREL.  If
            there happens to be a TPREL entry we can use that one.  */
         struct got_entry *ent;
         for (ent = h->got.glist; ent != NULL; ent = ent->next)
           if (ent->got.refcount > 0
              && (ent->tls_type & TLS_TPREL) != 0
              && ent->addend == gent->addend
              && ent->owner == gent->owner)
             {
              gent->got.refcount = 0;
              break;
             }

         /* If not, then we'll be using our own TPREL entry.  */
         if (gent->got.refcount != 0)
           gent->tls_type = TLS_TLS | TLS_TPREL;
       }

  for (gent = h->got.glist; gent != NULL; gent = gent->next)
    if (gent->got.refcount > 0)
      {
       bfd_boolean dyn;

       /* Make sure this symbol is output as a dynamic symbol.
          Undefined weak syms won't yet be marked as dynamic,
          nor will all TLS symbols.  */
       if (h->dynindx == -1
           && !h->forced_local)
         {
           if (! bfd_elf_link_record_dynamic_symbol (info, h))
             return FALSE;
         }

       if ((gent->tls_type & TLS_LD) != 0
           && !h->def_dynamic)
         {
           gent->got.offset = ppc64_tlsld_got (gent->owner)->offset;
           continue;
         }

       s = ppc64_elf_tdata (gent->owner)->got;
       gent->got.offset = s->size;
       s->size
         += (gent->tls_type & eh->tls_mask & (TLS_GD | TLS_LD)) ? 16 : 8;
       dyn = htab->elf.dynamic_sections_created;
       if ((info->shared
            || WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h))
           && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
              || h->root.type != bfd_link_hash_undefweak))
         ppc64_elf_tdata (gent->owner)->relgot->size
           += (gent->tls_type & eh->tls_mask & TLS_GD
              ? 2 * sizeof (Elf64_External_Rela)
              : sizeof (Elf64_External_Rela));
      }
    else
      gent->got.offset = (bfd_vma) -1;

  if (eh->dyn_relocs == NULL)
    return TRUE;

  /* In the shared -Bsymbolic case, discard space allocated for
     dynamic pc-relative relocs against symbols which turn out to be
     defined in regular objects.  For the normal shared case, discard
     space for relocs that have become local due to symbol visibility
     changes.  */

  if (info->shared)
    {
      /* Relocs that use pc_count are those that appear on a call insn,
        or certain REL relocs (see MUST_BE_DYN_RELOC) that can be
        generated via assembly.  We want calls to protected symbols to
        resolve directly to the function rather than going via the plt.
        If people want function pointer comparisons to work as expected
        then they should avoid writing weird assembly.  */
      if (SYMBOL_CALLS_LOCAL (info, h))
       {
         struct ppc_dyn_relocs **pp;

         for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
           {
             p->count -= p->pc_count;
             p->pc_count = 0;
             if (p->count == 0)
              *pp = p->next;
             else
              pp = &p->next;
           }
       }

      /* Also discard relocs on undefined weak syms with non-default
        visibility.  */
      if (eh->dyn_relocs != NULL
         && h->root.type == bfd_link_hash_undefweak)
       {
         if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
           eh->dyn_relocs = NULL;

         /* Make sure this symbol is output as a dynamic symbol.
            Undefined weak syms won't yet be marked as dynamic.  */
         else if (h->dynindx == -1
                 && !h->forced_local)
           {
             if (! bfd_elf_link_record_dynamic_symbol (info, h))
              return FALSE;
           }
       }
    }
  else if (ELIMINATE_COPY_RELOCS)
    {
      /* For the non-shared case, discard space for relocs against
        symbols which turn out to need copy relocs or are not
        dynamic.  */

      if (!h->non_got_ref
         && h->def_dynamic
         && !h->def_regular)
       {
         /* Make sure this symbol is output as a dynamic symbol.
            Undefined weak syms won't yet be marked as dynamic.  */
         if (h->dynindx == -1
             && !h->forced_local)
           {
             if (! bfd_elf_link_record_dynamic_symbol (info, h))
              return FALSE;
           }

         /* If that succeeded, we know we'll be keeping all the
            relocs.  */
         if (h->dynindx != -1)
           goto keep;
       }

      eh->dyn_relocs = NULL;

    keep: ;
    }

  /* Finally, allocate space.  */
  for (p = eh->dyn_relocs; p != NULL; p = p->next)
    {
      asection *sreloc = elf_section_data (p->sec)->sreloc;
      sreloc->size += p->count * sizeof (Elf64_External_Rela);
    }

  return TRUE;
}

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static struct bfd_hash_entry* branch_hash_newfunc ( struct bfd_hash_entry entry,
struct bfd_hash_table table,
const char *  string 
) [static, read]

Definition at line 3509 of file elf64-ppc.c.

{
  /* Allocate the structure if it has not already been allocated by a
     subclass.  */
  if (entry == NULL)
    {
      entry = bfd_hash_allocate (table, sizeof (struct ppc_branch_hash_entry));
      if (entry == NULL)
       return entry;
    }

  /* Call the allocation method of the superclass.  */
  entry = bfd_hash_newfunc (entry, table, string);
  if (entry != NULL)
    {
      struct ppc_branch_hash_entry *eh;

      /* Initialize the local fields.  */
      eh = (struct ppc_branch_hash_entry *) entry;
      eh->offset = 0;
      eh->iter = 0;
    }

  return entry;
}

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static bfd_byte* build_plt_stub ( bfd obfd,
bfd_byte p,
int  offset 
) [inline, static]

Definition at line 8206 of file elf64-ppc.c.

{
#define PPC_LO(v) ((v) & 0xffff)
#define PPC_HI(v) (((v) >> 16) & 0xffff)
#define PPC_HA(v) PPC_HI ((v) + 0x8000)

  bfd_put_32 (obfd, ADDIS_R12_R2 | PPC_HA (offset), p), p += 4;
  bfd_put_32 (obfd, STD_R2_40R1, p),                    p += 4;
  bfd_put_32 (obfd, LD_R11_0R12 | PPC_LO (offset), p),  p += 4;
  if (PPC_HA (offset + 8) != PPC_HA (offset))
    bfd_put_32 (obfd, ADDIS_R12_R12 | 1, p),            p += 4;
  offset += 8;
  bfd_put_32 (obfd, LD_R2_0R12 | PPC_LO (offset), p),   p += 4;
  if (PPC_HA (offset + 8) != PPC_HA (offset))
    bfd_put_32 (obfd, ADDIS_R12_R12 | 1, p),            p += 4;
  offset += 8;
  bfd_put_32 (obfd, MTCTR_R11, p),               p += 4;
  bfd_put_32 (obfd, LD_R11_0R12 | PPC_LO (offset), p),  p += 4;
  bfd_put_32 (obfd, BCTR, p),                           p += 4;
  return p;
}

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static int compare_symbols ( const void *  ap,
const void *  bp 
) [static]

Definition at line 2663 of file elf64-ppc.c.

{
  const asymbol *a = * (const asymbol **) ap;
  const asymbol *b = * (const asymbol **) bp;

  /* Section symbols first.  */
  if ((a->flags & BSF_SECTION_SYM) && !(b->flags & BSF_SECTION_SYM))
    return -1;
  if (!(a->flags & BSF_SECTION_SYM) && (b->flags & BSF_SECTION_SYM))
    return 1;

  /* then .opd symbols.  */
  if (a->section == synthetic_opd && b->section != synthetic_opd)
    return -1;
  if (a->section != synthetic_opd && b->section == synthetic_opd)
    return 1;

  /* then other code symbols.  */
  if ((a->section->flags & (SEC_CODE | SEC_ALLOC | SEC_THREAD_LOCAL))
      == (SEC_CODE | SEC_ALLOC)
      && (b->section->flags & (SEC_CODE | SEC_ALLOC | SEC_THREAD_LOCAL))
        != (SEC_CODE | SEC_ALLOC))
    return -1;

  if ((a->section->flags & (SEC_CODE | SEC_ALLOC | SEC_THREAD_LOCAL))
      != (SEC_CODE | SEC_ALLOC)
      && (b->section->flags & (SEC_CODE | SEC_ALLOC | SEC_THREAD_LOCAL))
        == (SEC_CODE | SEC_ALLOC))
    return 1;

  if (synthetic_relocatable)
    {
      if (a->section->id < b->section->id)
       return -1;

      if (a->section->id > b->section->id)
       return 1;
    }

  if (a->value + a->section->vma < b->value + b->section->vma)
    return -1;

  if (a->value + a->section->vma > b->value + b->section->vma)
    return 1;

  /* For syms with the same value, prefer strong dynamic global function
     syms over other syms.  */
  if ((a->flags & BSF_GLOBAL) != 0 && (b->flags & BSF_GLOBAL) == 0)
    return -1;

  if ((a->flags & BSF_GLOBAL) == 0 && (b->flags & BSF_GLOBAL) != 0)
    return 1;

  if ((a->flags & BSF_FUNCTION) != 0 && (b->flags & BSF_FUNCTION) == 0)
    return -1;

  if ((a->flags & BSF_FUNCTION) == 0 && (b->flags & BSF_FUNCTION) != 0)
    return 1;

  if ((a->flags & BSF_WEAK) == 0 && (b->flags & BSF_WEAK) != 0)
    return -1;

  if ((a->flags & BSF_WEAK) != 0 && (b->flags & BSF_WEAK) == 0)
    return 1;

  if ((a->flags & BSF_DYNAMIC) != 0 && (b->flags & BSF_DYNAMIC) == 0)
    return -1;

  if ((a->flags & BSF_DYNAMIC) == 0 && (b->flags & BSF_DYNAMIC) != 0)
    return 1;

  return 0;
}

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static bfd_boolean create_got_section ( bfd abfd,
struct bfd_link_info info 
) [static]

Definition at line 3866 of file elf64-ppc.c.

{
  asection *got, *relgot;
  flagword flags;
  struct ppc_link_hash_table *htab = ppc_hash_table (info);

  if (!htab->got)
    {
      if (! _bfd_elf_create_got_section (htab->elf.dynobj, info))
       return FALSE;

      htab->got = bfd_get_section_by_name (htab->elf.dynobj, ".got");
      if (!htab->got)
       abort ();
    }

  flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
          | SEC_LINKER_CREATED);

  got = bfd_make_section_anyway_with_flags (abfd, ".got", flags);
  if (!got
      || !bfd_set_section_alignment (abfd, got, 3))
    return FALSE;

  relgot = bfd_make_section_anyway_with_flags (abfd, ".rela.got",
                                          flags | SEC_READONLY);
  if (!relgot
      || ! bfd_set_section_alignment (abfd, relgot, 3))
    return FALSE;

  ppc64_elf_tdata (abfd)->got = got;
  ppc64_elf_tdata (abfd)->relgot = relgot;
  return TRUE;
}

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static bfd_boolean create_linkage_sections ( bfd dynobj,
struct bfd_link_info info 
) [static]

Definition at line 3815 of file elf64-ppc.c.

{
  struct ppc_link_hash_table *htab;
  flagword flags;

  htab = ppc_hash_table (info);

  /* Create .sfpr for code to save and restore fp regs.  */
  flags = (SEC_ALLOC | SEC_LOAD | SEC_CODE | SEC_READONLY
          | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_LINKER_CREATED);
  htab->sfpr = bfd_make_section_anyway_with_flags (dynobj, ".sfpr",
                                             flags);
  if (htab->sfpr == NULL
      || ! bfd_set_section_alignment (dynobj, htab->sfpr, 2))
    return FALSE;

  /* Create .glink for lazy dynamic linking support.  */
  htab->glink = bfd_make_section_anyway_with_flags (dynobj, ".glink",
                                              flags);
  if (htab->glink == NULL
      || ! bfd_set_section_alignment (dynobj, htab->glink, 3))
    return FALSE;

  /* Create branch lookup table for plt_branch stubs.  */
  flags = (SEC_ALLOC | SEC_LOAD
          | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_LINKER_CREATED);
  htab->brlt = bfd_make_section_anyway_with_flags (dynobj, ".branch_lt",
                                             flags);
  if (htab->brlt == NULL
      || ! bfd_set_section_alignment (dynobj, htab->brlt, 3))
    return FALSE;

  if (!info->shared)
    return TRUE;

  flags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY
          | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_LINKER_CREATED);
  htab->relbrlt = bfd_make_section_anyway_with_flags (dynobj,
                                                ".rela.branch_lt",
                                                flags);
  if (!htab->relbrlt
      || ! bfd_set_section_alignment (dynobj, htab->relbrlt, 3))
    return FALSE;

  return TRUE;
}

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static bfd_boolean dec_dynrel_count ( bfd_vma  r_info,
asection sec,
struct bfd_link_info info,
Elf_Internal_Sym **  local_syms,
struct elf_link_hash_entry h,
asection sym_sec 
) [static]

Definition at line 6209 of file elf64-ppc.c.

{
  enum elf_ppc64_reloc_type r_type;
  struct ppc_dyn_relocs *p;
  struct ppc_dyn_relocs **pp;

  /* Can this reloc be dynamic?  This switch, and later tests here
     should be kept in sync with the code in check_relocs.  */
  r_type = ELF64_R_TYPE (r_info);
  switch (r_type)
    {
    default:
      return TRUE;

    case R_PPC64_TPREL16:
    case R_PPC64_TPREL16_LO:
    case R_PPC64_TPREL16_HI:
    case R_PPC64_TPREL16_HA:
    case R_PPC64_TPREL16_DS:
    case R_PPC64_TPREL16_LO_DS:
    case R_PPC64_TPREL16_HIGHER:
    case R_PPC64_TPREL16_HIGHERA:
    case R_PPC64_TPREL16_HIGHEST:
    case R_PPC64_TPREL16_HIGHESTA:
      if (!info->shared)
       return TRUE;

    case R_PPC64_TPREL64:
    case R_PPC64_DTPMOD64:
    case R_PPC64_DTPREL64:
    case R_PPC64_ADDR64:
    case R_PPC64_REL30:
    case R_PPC64_REL32:
    case R_PPC64_REL64:
    case R_PPC64_ADDR14:
    case R_PPC64_ADDR14_BRNTAKEN:
    case R_PPC64_ADDR14_BRTAKEN:
    case R_PPC64_ADDR16:
    case R_PPC64_ADDR16_DS:
    case R_PPC64_ADDR16_HA:
    case R_PPC64_ADDR16_HI:
    case R_PPC64_ADDR16_HIGHER:
    case R_PPC64_ADDR16_HIGHERA:
    case R_PPC64_ADDR16_HIGHEST:
    case R_PPC64_ADDR16_HIGHESTA:
    case R_PPC64_ADDR16_LO:
    case R_PPC64_ADDR16_LO_DS:
    case R_PPC64_ADDR24:
    case R_PPC64_ADDR32:
    case R_PPC64_UADDR16:
    case R_PPC64_UADDR32:
    case R_PPC64_UADDR64:
    case R_PPC64_TOC:
      break;
    }

  if (local_syms != NULL)
    {
      unsigned long r_symndx;
      Elf_Internal_Sym *sym;
      bfd *ibfd = sec->owner;

      r_symndx = ELF64_R_SYM (r_info);
      if (!get_sym_h (&h, &sym, &sym_sec, NULL, local_syms, r_symndx, ibfd))
       return FALSE;
    }

  if ((info->shared
       && (MUST_BE_DYN_RELOC (r_type)
          || (h != NULL
              && (!info->symbolic
                 || h->root.type == bfd_link_hash_defweak
                 || !h->def_regular))))
      || (ELIMINATE_COPY_RELOCS
         && !info->shared
         && h != NULL
         && (h->root.type == bfd_link_hash_defweak
             || !h->def_regular)))
    ;
  else
    return TRUE;

  if (h != NULL)
    pp = &((struct ppc_link_hash_entry *) h)->dyn_relocs;
  else
    {
      if (sym_sec != NULL)
       {
         void *vpp = &elf_section_data (sym_sec)->local_dynrel;
         pp = (struct ppc_dyn_relocs **) vpp;
       }
      else
       {
         void *vpp = &elf_section_data (sec)->local_dynrel;
         pp = (struct ppc_dyn_relocs **) vpp;
       }

      /* elf_gc_sweep may have already removed all dyn relocs associated
        with local syms for a given section.  Don't report a dynreloc
        miscount.  */
      if (*pp == NULL)
       return TRUE;
    }

  while ((p = *pp) != NULL)
    {
      if (p->sec == sec)
       {
         if (!MUST_BE_DYN_RELOC (r_type))
           p->pc_count -= 1;
         p->count -= 1;
         if (p->count == 0)
           *pp = p->next;
         return TRUE;
       }
      pp = &p->next;
    }

  (*_bfd_error_handler) (_("dynreloc miscount for %B, section %A"),
                        sec->owner, sec);
  bfd_set_error (bfd_error_bad_value);
  return FALSE;
}

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static bfd_boolean func_desc_adjust ( struct elf_link_hash_entry h,
void *  inf 
) [static]

Definition at line 5612 of file elf64-ppc.c.

{
  struct bfd_link_info *info;
  struct ppc_link_hash_table *htab;
  struct plt_entry *ent;
  struct ppc_link_hash_entry *fh;
  struct ppc_link_hash_entry *fdh;
  bfd_boolean force_local;

  fh = (struct ppc_link_hash_entry *) h;
  if (fh->elf.root.type == bfd_link_hash_indirect)
    return TRUE;

  if (fh->elf.root.type == bfd_link_hash_warning)
    fh = (struct ppc_link_hash_entry *) fh->elf.root.u.i.link;

  info = inf;
  htab = ppc_hash_table (info);

  /* Resolve undefined references to dot-symbols as the value
     in the function descriptor, if we have one in a regular object.
     This is to satisfy cases like ".quad .foo".  Calls to functions
     in dynamic objects are handled elsewhere.  */
  if (fh->elf.root.type == bfd_link_hash_undefweak
      && fh->was_undefined
      && (fh->oh->elf.root.type == bfd_link_hash_defined
         || fh->oh->elf.root.type == bfd_link_hash_defweak)
      && get_opd_info (fh->oh->elf.root.u.def.section) != NULL
      && opd_entry_value (fh->oh->elf.root.u.def.section,
                       fh->oh->elf.root.u.def.value,
                       &fh->elf.root.u.def.section,
                       &fh->elf.root.u.def.value) != (bfd_vma) -1)
    {
      fh->elf.root.type = fh->oh->elf.root.type;
      fh->elf.forced_local = 1;
    }

  /* If this is a function code symbol, transfer dynamic linking
     information to the function descriptor symbol.  */
  if (!fh->is_func)
    return TRUE;

  for (ent = fh->elf.plt.plist; ent != NULL; ent = ent->next)
    if (ent->plt.refcount > 0)
      break;
  if (ent == NULL
      || fh->elf.root.root.string[0] != '.'
      || fh->elf.root.root.string[1] == '\0')
    return TRUE;

  /* Find the corresponding function descriptor symbol.  Create it
     as undefined if necessary.  */

  fdh = get_fdh (fh, htab);
  if (fdh != NULL)
    while (fdh->elf.root.type == bfd_link_hash_indirect
          || fdh->elf.root.type == bfd_link_hash_warning)
      fdh = (struct ppc_link_hash_entry *) fdh->elf.root.u.i.link;

  if (fdh == NULL
      && info->shared
      && (fh->elf.root.type == bfd_link_hash_undefined
         || fh->elf.root.type == bfd_link_hash_undefweak))
    {
      fdh = make_fdh (info, fh);
      if (fdh == NULL)
       return FALSE;
    }

  /* Fake function descriptors are made undefweak.  If the function
     code symbol is strong undefined, make the fake sym the same.
     If the function code symbol is defined, then force the fake
     descriptor local;  We can't support overriding of symbols in a
     shared library on a fake descriptor.  */

  if (fdh != NULL
      && fdh->fake
      && fdh->elf.root.type == bfd_link_hash_undefweak)
    {
      if (fh->elf.root.type == bfd_link_hash_undefined)
       {
         fdh->elf.root.type = bfd_link_hash_undefined;
         bfd_link_add_undef (&htab->elf.root, &fdh->elf.root);
       }
      else if (fh->elf.root.type == bfd_link_hash_defined
              || fh->elf.root.type == bfd_link_hash_defweak)
       {
         _bfd_elf_link_hash_hide_symbol (info, &fdh->elf, TRUE);
       }
    }

  if (fdh != NULL
      && !fdh->elf.forced_local
      && (info->shared
         || fdh->elf.def_dynamic
         || fdh->elf.ref_dynamic
         || (fdh->elf.root.type == bfd_link_hash_undefweak
             && ELF_ST_VISIBILITY (fdh->elf.other) == STV_DEFAULT)))
    {
      if (fdh->elf.dynindx == -1)
       if (! bfd_elf_link_record_dynamic_symbol (info, &fdh->elf))
         return FALSE;
      fdh->elf.ref_regular |= fh->elf.ref_regular;
      fdh->elf.ref_dynamic |= fh->elf.ref_dynamic;
      fdh->elf.ref_regular_nonweak |= fh->elf.ref_regular_nonweak;
      fdh->elf.non_got_ref |= fh->elf.non_got_ref;
      if (ELF_ST_VISIBILITY (fh->elf.other) == STV_DEFAULT)
       {
         move_plt_plist (fh, fdh);
         fdh->elf.needs_plt = 1;
       }
      fdh->is_func_descriptor = 1;
      fdh->oh = fh;
      fh->oh = fdh;
    }

  /* Now that the info is on the function descriptor, clear the
     function code sym info.  Any function code syms for which we
     don't have a definition in a regular file, we force local.
     This prevents a shared library from exporting syms that have
     been imported from another library.  Function code syms that
     are really in the library we must leave global to prevent the
     linker dragging in a definition from a static library.  */
  force_local = (!fh->elf.def_regular
               || fdh == NULL
               || !fdh->elf.def_regular
               || fdh->elf.forced_local);
  _bfd_elf_link_hash_hide_symbol (info, &fh->elf, force_local);

  return TRUE;
}

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Definition at line 4078 of file elf64-ppc.c.

{
  struct ppc_link_hash_entry *fdh = fh->oh;

  if (fdh == NULL)
    {
      const char *fd_name = fh->elf.root.root.string + 1;

      fdh = (struct ppc_link_hash_entry *)
       elf_link_hash_lookup (&htab->elf, fd_name, FALSE, FALSE, FALSE);
      if (fdh != NULL)
       {
         fdh->is_func_descriptor = 1;
         fdh->oh = fh;
         fh->is_func = 1;
         fh->oh = fdh;
       }
    }

  return fdh;
}

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static void* get_opd_info ( asection sec) [static]

Definition at line 2647 of file elf64-ppc.c.

{
  if (sec != NULL
      && ppc64_elf_section_data (sec) != NULL
      && ppc64_elf_section_data (sec)->sec_type == sec_opd)
    return ppc64_elf_section_data (sec)->u.opd_adjust;
  return NULL;
}

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static bfd_boolean get_sym_h ( struct elf_link_hash_entry **  hp,
Elf_Internal_Sym **  symp,
asection **  symsecp,
char **  tls_maskp,
Elf_Internal_Sym **  locsymsp,
unsigned long  r_symndx,
bfd ibfd 
) [static]

Definition at line 6007 of file elf64-ppc.c.

{
  Elf_Internal_Shdr *symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;

  if (r_symndx >= symtab_hdr->sh_info)
    {
      struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (ibfd);
      struct elf_link_hash_entry *h;

      h = sym_hashes[r_symndx - symtab_hdr->sh_info];
      while (h->root.type == bfd_link_hash_indirect
            || h->root.type == bfd_link_hash_warning)
       h = (struct elf_link_hash_entry *) h->root.u.i.link;

      if (hp != NULL)
       *hp = h;

      if (symp != NULL)
       *symp = NULL;

      if (symsecp != NULL)
       {
         asection *symsec = NULL;
         if (h->root.type == bfd_link_hash_defined
             || h->root.type == bfd_link_hash_defweak)
           symsec = h->root.u.def.section;
         *symsecp = symsec;
       }

      if (tls_maskp != NULL)
       {
         struct ppc_link_hash_entry *eh;

         eh = (struct ppc_link_hash_entry *) h;
         *tls_maskp = &eh->tls_mask;
       }
    }
  else
    {
      Elf_Internal_Sym *sym;
      Elf_Internal_Sym *locsyms = *locsymsp;

      if (locsyms == NULL)
       {
         locsyms = (Elf_Internal_Sym *) symtab_hdr->contents;
         if (locsyms == NULL)
           locsyms = bfd_elf_get_elf_syms (ibfd, symtab_hdr,
                                       symtab_hdr->sh_info,
                                       0, NULL, NULL, NULL);
         if (locsyms == NULL)
           return FALSE;
         *locsymsp = locsyms;
       }
      sym = locsyms + r_symndx;

      if (hp != NULL)
       *hp = NULL;

      if (symp != NULL)
       *symp = sym;

      if (symsecp != NULL)
       {
         asection *symsec = NULL;
         if ((sym->st_shndx != SHN_UNDEF
              && sym->st_shndx < SHN_LORESERVE)
             || sym->st_shndx > SHN_HIRESERVE)
           symsec = bfd_section_from_elf_index (ibfd, sym->st_shndx);
         *symsecp = symsec;
       }

      if (tls_maskp != NULL)
       {
         struct got_entry **lgot_ents;
         char *tls_mask;

         tls_mask = NULL;
         lgot_ents = elf_local_got_ents (ibfd);
         if (lgot_ents != NULL)
           {
             char *lgot_masks = (char *) (lgot_ents + symtab_hdr->sh_info);
             tls_mask = &lgot_masks[r_symndx];
           }
         *tls_maskp = tls_mask;
       }
    }
  return TRUE;
}

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static int get_tls_mask ( char **  tls_maskp,
unsigned long toc_symndx,
Elf_Internal_Sym **  locsymsp,
const Elf_Internal_Rela rel,
bfd ibfd 
) [static]

Definition at line 6107 of file elf64-ppc.c.

{
  unsigned long r_symndx;
  int next_r;
  struct elf_link_hash_entry *h;
  Elf_Internal_Sym *sym;
  asection *sec;
  bfd_vma off;

  r_symndx = ELF64_R_SYM (rel->r_info);
  if (!get_sym_h (&h, &sym, &sec, tls_maskp, locsymsp, r_symndx, ibfd))
    return 0;

  if ((*tls_maskp != NULL && **tls_maskp != 0)
      || sec == NULL
      || ppc64_elf_section_data (sec)->sec_type != sec_toc)
    return 1;

  /* Look inside a TOC section too.  */
  if (h != NULL)
    {
      BFD_ASSERT (h->root.type == bfd_link_hash_defined);
      off = h->root.u.def.value;
    }
  else
    off = sym->st_value;
  off += rel->r_addend;
  BFD_ASSERT (off % 8 == 0);
  r_symndx = ppc64_elf_section_data (sec)->u.t_symndx[off / 8];
  next_r = ppc64_elf_section_data (sec)->u.t_symndx[off / 8 + 1];
  if (!get_sym_h (&h, &sym, &sec, tls_maskp, locsymsp, r_symndx, ibfd))
    return 0;
  if (toc_symndx != NULL)
    *toc_symndx = r_symndx;
  if ((h == NULL
       || ((h->root.type == bfd_link_hash_defined
           || h->root.type == bfd_link_hash_defweak)
          && !h->def_dynamic))
      && (next_r == -1 || next_r == -2))
    return 1 - next_r;
  return 1;
}

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static void group_sections ( struct ppc_link_hash_table htab,
bfd_size_type  stub_group_size,
bfd_boolean  stubs_always_before_branch 
) [static]

Definition at line 9043 of file elf64-ppc.c.

{
  asection **list;
  bfd_size_type stub14_group_size;
  bfd_boolean suppress_size_errors;

  suppress_size_errors = FALSE;
  stub14_group_size = stub_group_size;
  if (stub_group_size == 1)
    {
      /* Default values.  */
      if (stubs_always_before_branch)
       {
         stub_group_size = 0x1e00000;
         stub14_group_size = 0x7800;
       }
      else
       {
         stub_group_size = 0x1c00000;
         stub14_group_size = 0x7000;
       }
      suppress_size_errors = TRUE;
    }

  list = htab->input_list + htab->top_index;
  do
    {
      asection *tail = *list;
      while (tail != NULL)
       {
         asection *curr;
         asection *prev;
         bfd_size_type total;
         bfd_boolean big_sec;
         bfd_vma curr_toc;

         curr = tail;
         total = tail->size;
         big_sec = total > (ppc64_elf_section_data (tail)->has_14bit_branch
                          ? stub14_group_size : stub_group_size);
         if (big_sec && !suppress_size_errors)
           (*_bfd_error_handler) (_("%B section %A exceeds stub group size"),
                                 tail->owner, tail);
         curr_toc = htab->stub_group[tail->id].toc_off;

         while ((prev = PREV_SEC (curr)) != NULL
               && ((total += curr->output_offset - prev->output_offset)
                   < (ppc64_elf_section_data (prev)->has_14bit_branch
                     ? stub14_group_size : stub_group_size))
               && htab->stub_group[prev->id].toc_off == curr_toc)
           curr = prev;

         /* OK, the size from the start of CURR to the end is less
            than stub_group_size and thus can be handled by one stub
            section.  (or the tail section is itself larger than
            stub_group_size, in which case we may be toast.)  We
            should really be keeping track of the total size of stubs
            added here, as stubs contribute to the final output
            section size.  That's a little tricky, and this way will
            only break if stubs added make the total size more than
            2^25, ie. for the default stub_group_size, if stubs total
            more than 2097152 bytes, or nearly 75000 plt call stubs.  */
         do
           {
             prev = PREV_SEC (tail);
             /* Set up this stub group.  */
             htab->stub_group[tail->id].link_sec = curr;
           }
         while (tail != curr && (tail = prev) != NULL);

         /* But wait, there's more!  Input sections up to stub_group_size
            bytes before the stub section can be handled by it too.
            Don't do this if we have a really large section after the
            stubs, as adding more stubs increases the chance that
            branches may not reach into the stub section.  */
         if (!stubs_always_before_branch && !big_sec)
           {
             total = 0;
             while (prev != NULL
                   && ((total += tail->output_offset - prev->output_offset)
                      < (ppc64_elf_section_data (prev)->has_14bit_branch
                         ? stub14_group_size : stub_group_size))
                   && htab->stub_group[prev->id].toc_off == curr_toc)
              {
                tail = prev;
                prev = PREV_SEC (tail);
                htab->stub_group[tail->id].link_sec = curr;
              }
           }
         tail = prev;
       }
    }
  while (list-- != htab->input_list);
  free (htab->input_list);
#undef PREV_SEC
}

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static bfd_boolean is_ppc64_elf_target ( const struct bfd_target targ) [static]

Definition at line 2440 of file elf64-ppc.c.

{
  extern const bfd_target bfd_elf64_powerpc_vec;
  extern const bfd_target bfd_elf64_powerpcle_vec;

  return targ == &bfd_elf64_powerpc_vec || targ == &bfd_elf64_powerpcle_vec;
}

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static struct bfd_hash_entry* link_hash_newfunc ( struct bfd_hash_entry entry,
struct bfd_hash_table table,
const char *  string 
) [static, read]

Definition at line 3540 of file elf64-ppc.c.

{
  /* Allocate the structure if it has not already been allocated by a
     subclass.  */
  if (entry == NULL)
    {
      entry = bfd_hash_allocate (table, sizeof (struct ppc_link_hash_entry));
      if (entry == NULL)
       return entry;
    }

  /* Call the allocation method of the superclass.  */
  entry = _bfd_elf_link_hash_newfunc (entry, table, string);
  if (entry != NULL)
    {
      struct ppc_link_hash_entry *eh = (struct ppc_link_hash_entry *) entry;

      memset (&eh->u.stub_cache, 0,
             (sizeof (struct ppc_link_hash_entry)
              - offsetof (struct ppc_link_hash_entry, u.stub_cache)));

      /* When making function calls, old ABI code references function entry
        points (dot symbols), while new ABI code references the function
        descriptor symbol.  We need to make any combination of reference and
        definition work together, without breaking archive linking.

        For a defined function "foo" and an undefined call to "bar":
        An old object defines "foo" and ".foo", references ".bar" (possibly
        "bar" too).
        A new object defines "foo" and references "bar".

        A new object thus has no problem with its undefined symbols being
        satisfied by definitions in an old object.  On the other hand, the
        old object won't have ".bar" satisfied by a new object.

        Keep a list of newly added dot-symbols.  */

      if (string[0] == '.')
       {
         struct ppc_link_hash_table *htab;

         htab = (struct ppc_link_hash_table *) table;
         eh->u.next_dot_sym = htab->dot_syms;
         htab->dot_syms = eh;
       }
    }

  return entry;
}

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static struct ppc_link_hash_entry* make_fdh ( struct bfd_link_info info,
struct ppc_link_hash_entry fh 
) [static, read]

Definition at line 4103 of file elf64-ppc.c.

{
  bfd *abfd;
  asymbol *newsym;
  struct bfd_link_hash_entry *bh;
  struct ppc_link_hash_entry *fdh;

  abfd = fh->elf.root.u.undef.abfd;
  newsym = bfd_make_empty_symbol (abfd);
  newsym->name = fh->elf.root.root.string + 1;
  newsym->section = bfd_und_section_ptr;
  newsym->value = 0;
  newsym->flags = BSF_WEAK;

  bh = NULL;
  if (!_bfd_generic_link_add_one_symbol (info, abfd, newsym->name,
                                    newsym->flags, newsym->section,
                                    newsym->value, NULL, FALSE, FALSE,
                                    &bh))
    return NULL;

  fdh = (struct ppc_link_hash_entry *) bh;
  fdh->elf.non_elf = 0;
  fdh->fake = 1;
  fdh->is_func_descriptor = 1;
  fdh->oh = fh;
  fh->is_func = 1;
  fh->oh = fdh;
  return fdh;
}

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static void move_plt_plist ( struct ppc_link_hash_entry from,
struct ppc_link_hash_entry to 
) [static]

Definition at line 3930 of file elf64-ppc.c.

{
  if (from->elf.plt.plist != NULL)
    {
      if (to->elf.plt.plist != NULL)
       {
         struct plt_entry **entp;
         struct plt_entry *ent;

         for (entp = &from->elf.plt.plist; (ent = *entp) != NULL; )
           {
             struct plt_entry *dent;

             for (dent = to->elf.plt.plist; dent != NULL; dent = dent->next)
              if (dent->addend == ent->addend)
                {
                  dent->plt.refcount += ent->plt.refcount;
                  *entp = ent->next;
                  break;
                }
             if (dent == NULL)
              entp = &ent->next;
           }
         *entp = to->elf.plt.plist;
       }

      to->elf.plt.plist = from->elf.plt.plist;
      from->elf.plt.plist = NULL;
    }
}

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static bfd_vma opd_entry_value ( asection opd_sec,
bfd_vma  offset,
asection **  code_sec,
bfd_vma code_off 
) [static]

Definition at line 4942 of file elf64-ppc.c.

{
  bfd *opd_bfd = opd_sec->owner;
  Elf_Internal_Rela *relocs;
  Elf_Internal_Rela *lo, *hi, *look;
  bfd_vma val;

  /* No relocs implies we are linking a --just-symbols object.  */
  if (opd_sec->reloc_count == 0)
    {
      bfd_vma val;

      if (!bfd_get_section_contents (opd_bfd, opd_sec, &val, offset, 8))
       return (bfd_vma) -1;

      if (code_sec != NULL)
       {
         asection *sec, *likely = NULL;
         for (sec = opd_bfd->sections; sec != NULL; sec = sec->next)
           if (sec->vma <= val
              && (sec->flags & SEC_LOAD) != 0
              && (sec->flags & SEC_ALLOC) != 0)
             likely = sec;
         if (likely != NULL)
           {
             *code_sec = likely;
             if (code_off != NULL)
              *code_off = val - likely->vma;
           }
       }
      return val;
    }

  relocs = ppc64_elf_tdata (opd_bfd)->opd_relocs;
  if (relocs == NULL)
    relocs = _bfd_elf_link_read_relocs (opd_bfd, opd_sec, NULL, NULL, TRUE);

  /* Go find the opd reloc at the sym address.  */
  lo = relocs;
  BFD_ASSERT (lo != NULL);
  hi = lo + opd_sec->reloc_count - 1; /* ignore last reloc */
  val = (bfd_vma) -1;
  while (lo < hi)
    {
      look = lo + (hi - lo) / 2;
      if (look->r_offset < offset)
       lo = look + 1;
      else if (look->r_offset > offset)
       hi = look;
      else
       {
         Elf_Internal_Shdr *symtab_hdr = &elf_tdata (opd_bfd)->symtab_hdr;
         if (ELF64_R_TYPE (look->r_info) == R_PPC64_ADDR64
             && ELF64_R_TYPE ((look + 1)->r_info) == R_PPC64_TOC)
           {
             unsigned long symndx = ELF64_R_SYM (look->r_info);
             asection *sec;

             if (symndx < symtab_hdr->sh_info)
              {
                Elf_Internal_Sym *sym;

                sym = (Elf_Internal_Sym *) symtab_hdr->contents;
                if (sym == NULL)
                  {
                    sym = bfd_elf_get_elf_syms (opd_bfd, symtab_hdr,
                                            symtab_hdr->sh_info,
                                            0, NULL, NULL, NULL);
                    if (sym == NULL)
                     break;
                    symtab_hdr->contents = (bfd_byte *) sym;
                  }

                sym += symndx;
                val = sym->st_value;
                sec = NULL;
                if ((sym->st_shndx != SHN_UNDEF
                     && sym->st_shndx < SHN_LORESERVE)
                    || sym->st_shndx > SHN_HIRESERVE)
                  sec = bfd_section_from_elf_index (opd_bfd, sym->st_shndx);
                BFD_ASSERT ((sec->flags & SEC_MERGE) == 0);
              }
             else
              {
                struct elf_link_hash_entry **sym_hashes;
                struct elf_link_hash_entry *rh;

                sym_hashes = elf_sym_hashes (opd_bfd);
                rh = sym_hashes[symndx - symtab_hdr->sh_info];
                while (rh->root.type == bfd_link_hash_indirect
                      || rh->root.type == bfd_link_hash_warning)
                  rh = ((struct elf_link_hash_entry *) rh->root.u.i.link);
                BFD_ASSERT (rh->root.type == bfd_link_hash_defined
                           || rh->root.type == bfd_link_hash_defweak);
                val = rh->root.u.def.value;
                sec = rh->root.u.def.section;
              }
             val += look->r_addend;
             if (code_off != NULL)
              *code_off = val;
             if (code_sec != NULL)
              *code_sec = sec;
             if (sec != NULL && sec->output_section != NULL)
              val += sec->output_section->vma + sec->output_offset;
           }
         break;
       }
    }

  return val;
}

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static unsigned int ppc64_elf_action_discarded ( asection sec) [static]

Definition at line 9759 of file elf64-ppc.c.

{
  if (strcmp (".opd", sec->name) == 0)
    return 0;

  if (strcmp (".toc", sec->name) == 0)
    return 0;

  if (strcmp (".toc1", sec->name) == 0)
    return 0;

  return _bfd_elf_default_action_discarded (sec);
}

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static bfd_boolean ppc64_elf_add_symbol_hook ( bfd *ibfd  ATTRIBUTE_UNUSED,
struct bfd_link_info *info  ATTRIBUTE_UNUSED,
Elf_Internal_Sym *  isym,
const char **name  ATTRIBUTE_UNUSED,
flagword *flags  ATTRIBUTE_UNUSED,
asection **  sec,
bfd_vma *value  ATTRIBUTE_UNUSED 
) [static]

Definition at line 4139 of file elf64-ppc.c.

{
  if (*sec != NULL
      && strcmp (bfd_get_section_name (ibfd, *sec), ".opd") == 0)
    isym->st_info = ELF_ST_INFO (ELF_ST_BIND (isym->st_info), STT_FUNC);

  return TRUE;
}

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Definition at line 5797 of file elf64-ppc.c.

{
  struct ppc_link_hash_table *htab;
  asection *s;
  unsigned int power_of_two;

  htab = ppc_hash_table (info);

  /* Deal with function syms.  */
  if (h->type == STT_FUNC
      || h->needs_plt)
    {
      /* Clear procedure linkage table information for any symbol that
        won't need a .plt entry.  */
      struct plt_entry *ent;
      for (ent = h->plt.plist; ent != NULL; ent = ent->next)
       if (ent->plt.refcount > 0)
         break;
      if (ent == NULL
         || SYMBOL_CALLS_LOCAL (info, h)
         || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
             && h->root.type == bfd_link_hash_undefweak))
       {
         h->plt.plist = NULL;
         h->needs_plt = 0;
       }
    }
  else
    h->plt.plist = NULL;

  /* If this is a weak symbol, and there is a real definition, the
     processor independent code will have arranged for us to see the
     real definition first, and we can just use the same value.  */
  if (h->u.weakdef != NULL)
    {
      BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
                || h->u.weakdef->root.type == bfd_link_hash_defweak);
      h->root.u.def.section = h->u.weakdef->root.u.def.section;
      h->root.u.def.value = h->u.weakdef->root.u.def.value;
      if (ELIMINATE_COPY_RELOCS)
       h->non_got_ref = h->u.weakdef->non_got_ref;
      return TRUE;
    }

  /* If we are creating a shared library, we must presume that the
     only references to the symbol are via the global offset table.
     For such cases we need not do anything here; the relocations will
     be handled correctly by relocate_section.  */
  if (info->shared)
    return TRUE;

  /* If there are no references to this symbol that do not use the
     GOT, we don't need to generate a copy reloc.  */
  if (!h->non_got_ref)
    return TRUE;

  if (ELIMINATE_COPY_RELOCS)
    {
      struct ppc_link_hash_entry * eh;
      struct ppc_dyn_relocs *p;

      eh = (struct ppc_link_hash_entry *) h;
      for (p = eh->dyn_relocs; p != NULL; p = p->next)
       {
         s = p->sec->output_section;
         if (s != NULL && (s->flags & SEC_READONLY) != 0)
           break;
       }

      /* If we didn't find any dynamic relocs in read-only sections, then
        we'll be keeping the dynamic relocs and avoiding the copy reloc.  */
      if (p == NULL)
       {
         h->non_got_ref = 0;
         return TRUE;
       }
    }

  if (h->plt.plist != NULL)
    {
      /* We should never get here, but unfortunately there are versions
        of gcc out there that improperly (for this ABI) put initialized
        function pointers, vtable refs and suchlike in read-only
        sections.  Allow them to proceed, but warn that this might
        break at runtime.  */
      (*_bfd_error_handler)
       (_("copy reloc against `%s' requires lazy plt linking; "
          "avoid setting LD_BIND_NOW=1 or upgrade gcc"),
        h->root.root.string);
    }

  /* This is a reference to a symbol defined by a dynamic object which
     is not a function.  */

  if (h->size == 0)
    {
      (*_bfd_error_handler) (_("dynamic variable `%s' is zero size"),
                          h->root.root.string);
      return TRUE;
    }

  /* We must allocate the symbol in our .dynbss section, which will
     become part of the .bss section of the executable.  There will be
     an entry for this symbol in the .dynsym section.  The dynamic
     object will contain position independent code, so all references
     from the dynamic object to this symbol will go through the global
     offset table.  The dynamic linker will use the .dynsym entry to
     determine the address it must put in the global offset table, so
     both the dynamic object and the regular object will refer to the
     same memory location for the variable.  */

  /* We must generate a R_PPC64_COPY reloc to tell the dynamic linker
     to copy the initial value out of the dynamic object and into the
     runtime process image.  We need to remember the offset into the
     .rela.bss section we are going to use.  */
  if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
    {
      htab->relbss->size += sizeof (Elf64_External_Rela);
      h->needs_copy = 1;
    }

  /* We need to figure out the alignment required for this symbol.  I
     have no idea how ELF linkers handle this.  */
  power_of_two = bfd_log2 (h->size);
  if (power_of_two > 4)
    power_of_two = 4;

  /* Apply the required alignment.  */
  s = htab->dynbss;
  s->size = BFD_ALIGN (s->size, (bfd_size_type) (1 << power_of_two));
  if (power_of_two > bfd_get_section_alignment (htab->elf.dynobj, s))
    {
      if (! bfd_set_section_alignment (htab->elf.dynobj, s, power_of_two))
       return FALSE;
    }

  /* Define the symbol as being at this point in the section.  */
  h->root.u.def.section = s;
  h->root.u.def.value = s->size;

  /* Increment the section size to make room for the symbol.  */
  s->size += h->size;

  return TRUE;
}

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static struct elf_link_hash_entry* ppc64_elf_archive_symbol_lookup ( bfd abfd,
struct bfd_link_info info,
const char *  name 
) [static, read]

Definition at line 4160 of file elf64-ppc.c.

{
  struct elf_link_hash_entry *h;
  char *dot_name;
  size_t len;

  h = _bfd_elf_archive_symbol_lookup (abfd, info, name);
  if (h != NULL
      /* Don't return this sym if it is a fake function descriptor
        created by add_symbol_adjust.  */
      && !(h->root.type == bfd_link_hash_undefweak
          && ((struct ppc_link_hash_entry *) h)->fake))
    return h;

  if (name[0] == '.')
    return h;

  len = strlen (name);
  dot_name = bfd_alloc (abfd, len + 2);
  if (dot_name == NULL)
    return (struct elf_link_hash_entry *) 0 - 1;
  dot_name[0] = '.';
  memcpy (dot_name + 1, name, len + 1);
  h = _bfd_elf_archive_symbol_lookup (abfd, info, dot_name);
  bfd_release (abfd, dot_name);
  return h;
}

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static bfd_boolean ppc64_elf_as_needed_cleanup ( bfd *ibfd  ATTRIBUTE_UNUSED,
struct bfd_link_info info 
) [static]

Definition at line 4299 of file elf64-ppc.c.

{
  ppc_hash_table (info)->dot_syms = NULL;
  return TRUE;
}
static bfd_reloc_status_type ppc64_elf_branch_reloc ( bfd abfd,
arelent reloc_entry,
asymbol symbol,
void *  data,
asection input_section,
bfd output_bfd,
char **  error_message 
) [static]

Definition at line 2176 of file elf64-ppc.c.

{
  if (output_bfd != NULL)
    return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
                              input_section, output_bfd, error_message);

  if (strcmp (symbol->section->name, ".opd") == 0
      && (symbol->section->owner->flags & DYNAMIC) == 0)
    {
      bfd_vma dest = opd_entry_value (symbol->section,
                                  symbol->value + reloc_entry->addend,
                                  NULL, NULL);
      if (dest != (bfd_vma) -1)
       reloc_entry->addend = dest - (symbol->value
                                  + symbol->section->output_section->vma
                                  + symbol->section->output_offset);
    }
  return bfd_reloc_continue;
}

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static bfd_reloc_status_type ppc64_elf_brtaken_reloc ( bfd abfd,
arelent reloc_entry,
asymbol symbol,
void *  data,
asection input_section,
bfd output_bfd,
char **  error_message 
) [static]

Definition at line 2199 of file elf64-ppc.c.

{
  long insn;
  enum elf_ppc64_reloc_type r_type;
  bfd_size_type octets;
  /* Disabled until we sort out how ld should choose 'y' vs 'at'.  */
  bfd_boolean is_power4 = FALSE;

  /* If this is a relocatable link (output_bfd test tells us), just
     call the generic function.  Any adjustment will be done at final
     link time.  */
  if (output_bfd != NULL)
    return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
                              input_section, output_bfd, error_message);

  octets = reloc_entry->address * bfd_octets_per_byte (abfd);
  insn = bfd_get_32 (abfd, (bfd_byte *) data + octets);
  insn &= ~(0x01 << 21);
  r_type = reloc_entry->howto->type;
  if (r_type == R_PPC64_ADDR14_BRTAKEN
      || r_type == R_PPC64_REL14_BRTAKEN)
    insn |= 0x01 << 21; /* 'y' or 't' bit, lowest bit of BO field.  */

  if (is_power4)
    {
      /* Set 'a' bit.  This is 0b00010 in BO field for branch
        on CR(BI) insns (BO == 001at or 011at), and 0b01000
        for branch on CTR insns (BO == 1a00t or 1a01t).  */
      if ((insn & (0x14 << 21)) == (0x04 << 21))
       insn |= 0x02 << 21;
      else if ((insn & (0x14 << 21)) == (0x10 << 21))
       insn |= 0x08 << 21;
      else
       goto out;
    }
  else
    {
      bfd_vma target = 0;
      bfd_vma from;

      if (!bfd_is_com_section (symbol->section))
       target = symbol->value;
      target += symbol->section->output_section->vma;
      target += symbol->section->output_offset;
      target += reloc_entry->addend;

      from = (reloc_entry->address
             + input_section->output_offset
             + input_section->output_section->vma);

      /* Invert 'y' bit if not the default.  */
      if ((bfd_signed_vma) (target - from) < 0)
       insn ^= 0x01 << 21;
    }
  bfd_put_32 (abfd, insn, (bfd_byte *) data + octets);
 out:
  return ppc64_elf_branch_reloc (abfd, reloc_entry, symbol, data,
                             input_section, output_bfd, error_message);
}

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bfd_boolean ppc64_elf_build_stubs ( bfd_boolean  emit_stub_syms,
struct bfd_link_info info,
char **  stats 
)

Definition at line 9552 of file elf64-ppc.c.

{
  struct ppc_link_hash_table *htab = ppc_hash_table (info);
  asection *stub_sec;
  bfd_byte *p;
  int stub_sec_count = 0;

  htab->emit_stub_syms = emit_stub_syms;

  /* Allocate memory to hold the linker stubs.  */
  for (stub_sec = htab->stub_bfd->sections;
       stub_sec != NULL;
       stub_sec = stub_sec->next)
    if ((stub_sec->flags & SEC_LINKER_CREATED) == 0
       && stub_sec->size != 0)
      {
       stub_sec->contents = bfd_zalloc (htab->stub_bfd, stub_sec->size);
       if (stub_sec->contents == NULL)
         return FALSE;
       /* We want to check that built size is the same as calculated
          size.  rawsize is a convenient location to use.  */
       stub_sec->rawsize = stub_sec->size;
       stub_sec->size = 0;
      }

  if (htab->glink != NULL && htab->glink->size != 0)
    {
      unsigned int indx;
      bfd_vma plt0;

      /* Build the .glink plt call stub.  */
      if (htab->emit_stub_syms)
       {
         struct elf_link_hash_entry *h;
         h = elf_link_hash_lookup (&htab->elf, "__glink", TRUE, FALSE, FALSE);
         if (h == NULL)
           return FALSE;
         if (h->root.type == bfd_link_hash_new)
           {
             h->root.type = bfd_link_hash_defined;
             h->root.u.def.section = htab->glink;
             h->root.u.def.value = 8;
             h->ref_regular = 1;
             h->def_regular = 1;
             h->ref_regular_nonweak = 1;
             h->forced_local = 1;
             h->non_elf = 0;
           }
       }
      p = htab->glink->contents;
      plt0 = (htab->plt->output_section->vma
             + htab->plt->output_offset
             - (htab->glink->output_section->vma
               + htab->glink->output_offset
               + 16));
      bfd_put_64 (htab->glink->owner, plt0, p);
      p += 8;
      bfd_put_32 (htab->glink->owner, MFLR_R12, p);
      p += 4;
      bfd_put_32 (htab->glink->owner, BCL_20_31, p);
      p += 4;
      bfd_put_32 (htab->glink->owner, MFLR_R11, p);
      p += 4;
      bfd_put_32 (htab->glink->owner, LD_R2_M16R11, p);
      p += 4;
      bfd_put_32 (htab->glink->owner, MTLR_R12, p);
      p += 4;
      bfd_put_32 (htab->glink->owner, ADD_R12_R2_R11, p);
      p += 4;
      bfd_put_32 (htab->glink->owner, LD_R11_0R12, p);
      p += 4;
      bfd_put_32 (htab->glink->owner, LD_R2_0R12 | 8, p);
      p += 4;
      bfd_put_32 (htab->glink->owner, MTCTR_R11, p);
      p += 4;
      bfd_put_32 (htab->glink->owner, LD_R11_0R12 | 16, p);
      p += 4;
      bfd_put_32 (htab->glink->owner, BCTR, p);
      p += 4;
      while (p - htab->glink->contents < GLINK_CALL_STUB_SIZE)
       {
         bfd_put_32 (htab->glink->owner, NOP, p);
         p += 4;
       }

      /* Build the .glink lazy link call stubs.  */
      indx = 0;
      while (p < htab->glink->contents + htab->glink->size)
       {
         if (indx < 0x8000)
           {
             bfd_put_32 (htab->glink->owner, LI_R0_0 | indx, p);
             p += 4;
           }
         else
           {
             bfd_put_32 (htab->glink->owner, LIS_R0_0 | PPC_HI (indx), p);
             p += 4;
             bfd_put_32 (htab->glink->owner, ORI_R0_R0_0 | PPC_LO (indx), p);
             p += 4;
           }
         bfd_put_32 (htab->glink->owner,
                    B_DOT | ((htab->glink->contents - p + 8) & 0x3fffffc), p);
         indx++;
         p += 4;
       }
      htab->glink->rawsize = p - htab->glink->contents;
    }

  if (htab->brlt->size != 0)
    {
      htab->brlt->contents = bfd_zalloc (htab->brlt->owner,
                                    htab->brlt->size);
      if (htab->brlt->contents == NULL)
       return FALSE;
    }
  if (htab->relbrlt != NULL && htab->relbrlt->size != 0)
    {
      htab->relbrlt->contents = bfd_zalloc (htab->relbrlt->owner,
                                       htab->relbrlt->size);
      if (htab->relbrlt->contents == NULL)
       return FALSE;
    }

  /* Build the stubs as directed by the stub hash table.  */
  bfd_hash_traverse (&htab->stub_hash_table, ppc_build_one_stub, info);

  if (htab->relbrlt != NULL)
    htab->relbrlt->reloc_count = 0;

  for (stub_sec = htab->stub_bfd->sections;
       stub_sec != NULL;
       stub_sec = stub_sec->next)
    if ((stub_sec->flags & SEC_LINKER_CREATED) == 0)
      {
       stub_sec_count += 1;
       if (stub_sec->rawsize != stub_sec->size)
         break;
      }

  if (stub_sec != NULL
      || htab->glink->rawsize != htab->glink->size)
    {
      htab->stub_error = TRUE;
      (*_bfd_error_handler) (_("stubs don't match calculated size"));
    }

  if (htab->stub_error)
    return FALSE;

  if (stats != NULL)
    {
      *stats = bfd_malloc (500);
      if (*stats == NULL)
       return FALSE;

      sprintf (*stats, _("linker stubs in %u group%s\n"
                      "  branch       %lu\n"
                      "  toc adjust   %lu\n"
                      "  long branch  %lu\n"
                      "  long toc adj %lu\n"
                      "  plt call     %lu"),
              stub_sec_count,
              stub_sec_count == 1 ? "" : "s",
              htab->stub_count[ppc_stub_long_branch - 1],
              htab->stub_count[ppc_stub_long_branch_r2off - 1],
              htab->stub_count[ppc_stub_plt_branch - 1],
              htab->stub_count[ppc_stub_plt_branch_r2off - 1],
              htab->stub_count[ppc_stub_plt_call - 1]);
    }
  return TRUE;
}

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static bfd_boolean ppc64_elf_check_directives ( bfd ibfd,
struct bfd_link_info info 
) [static]

Definition at line 4256 of file elf64-ppc.c.

{
  struct ppc_link_hash_table *htab;
  struct ppc_link_hash_entry **p, *eh;

  htab = ppc_hash_table (info);
  if (!is_ppc64_elf_target (htab->elf.root.creator))
    return TRUE;

  if (is_ppc64_elf_target (ibfd->xvec))
    {
      p = &htab->dot_syms;
      while ((eh = *p) != NULL)
       {
         *p = NULL;
         if (!add_symbol_adjust (eh, info))
           return FALSE;
         p = &eh->u.next_dot_sym;
       }
    }

  /* Clear the list for non-ppc64 input files.  */
  p = &htab->dot_syms;
  while ((eh = *p) != NULL)
    {
      *p = NULL;
      p = &eh->u.next_dot_sym;
    }

  /* We need to fix the undefs list for any syms we have twiddled to
     undef_weak.  */
  if (htab->twiddled_syms)
    {
      bfd_link_repair_undef_list (&htab->elf.root);
      htab->twiddled_syms = 0;
    }
  return TRUE;
}

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static bfd_boolean ppc64_elf_check_relocs ( bfd abfd,
struct bfd_link_info info,
asection sec,
const Elf_Internal_Rela relocs 
) [static]

Definition at line 4386 of file elf64-ppc.c.

{
  struct ppc_link_hash_table *htab;
  Elf_Internal_Shdr *symtab_hdr;
  struct elf_link_hash_entry **sym_hashes, **sym_hashes_end;
  const Elf_Internal_Rela *rel;
  const Elf_Internal_Rela *rel_end;
  asection *sreloc;
  asection **opd_sym_map;

  if (info->relocatable)
    return TRUE;

  /* Don't do anything special with non-loaded, non-alloced sections.
     In particular, any relocs in such sections should not affect GOT
     and PLT reference counting (ie. we don't allow them to create GOT
     or PLT entries), there's no possibility or desire to optimize TLS
     relocs, and there's not much point in propagating relocs to shared
     libs that the dynamic linker won't relocate.  */
  if ((sec->flags & SEC_ALLOC) == 0)
    return TRUE;

  htab = ppc_hash_table (info);
  symtab_hdr = &elf_tdata (abfd)->symtab_hdr;

  sym_hashes = elf_sym_hashes (abfd);
  sym_hashes_end = (sym_hashes
                  + symtab_hdr->sh_size / sizeof (Elf64_External_Sym)
                  - symtab_hdr->sh_info);

  sreloc = NULL;
  opd_sym_map = NULL;
  if (strcmp (bfd_get_section_name (abfd, sec), ".opd") == 0)
    {
      /* Garbage collection needs some extra help with .opd sections.
        We don't want to necessarily keep everything referenced by
        relocs in .opd, as that would keep all functions.  Instead,
        if we reference an .opd symbol (a function descriptor), we
        want to keep the function code symbol's section.  This is
        easy for global symbols, but for local syms we need to keep
        information about the associated function section.  Later, if
        edit_opd deletes entries, we'll use this array to adjust
        local syms in .opd.  */
      union opd_info {
       asection *func_section;
       long entry_adjust;
      };
      bfd_size_type amt;

      amt = sec->size * sizeof (union opd_info) / 8;
      opd_sym_map = bfd_zalloc (abfd, amt);
      if (opd_sym_map == NULL)
       return FALSE;
      ppc64_elf_section_data (sec)->u.opd_func_sec = opd_sym_map;
      BFD_ASSERT (ppc64_elf_section_data (sec)->sec_type == sec_normal);
      ppc64_elf_section_data (sec)->sec_type = sec_opd;
    }

  if (htab->sfpr == NULL
      && !create_linkage_sections (htab->elf.dynobj, info))
    return FALSE;

  rel_end = relocs + sec->reloc_count;
  for (rel = relocs; rel < rel_end; rel++)
    {
      unsigned long r_symndx;
      struct elf_link_hash_entry *h;
      enum elf_ppc64_reloc_type r_type;
      int tls_type = 0;
      struct _ppc64_elf_section_data *ppc64_sec;

      r_symndx = ELF64_R_SYM (rel->r_info);
      if (r_symndx < symtab_hdr->sh_info)
       h = NULL;
      else
       {
         h = sym_hashes[r_symndx - symtab_hdr->sh_info];
         while (h->root.type == bfd_link_hash_indirect
               || h->root.type == bfd_link_hash_warning)
           h = (struct elf_link_hash_entry *) h->root.u.i.link;
       }

      r_type = ELF64_R_TYPE (rel->r_info);
      switch (r_type)
       {
       case R_PPC64_GOT_TLSLD16:
       case R_PPC64_GOT_TLSLD16_LO:
       case R_PPC64_GOT_TLSLD16_HI:
       case R_PPC64_GOT_TLSLD16_HA:
         ppc64_tlsld_got (abfd)->refcount += 1;
         tls_type = TLS_TLS | TLS_LD;
         goto dogottls;

       case R_PPC64_GOT_TLSGD16:
       case R_PPC64_GOT_TLSGD16_LO:
       case R_PPC64_GOT_TLSGD16_HI:
       case R_PPC64_GOT_TLSGD16_HA:
         tls_type = TLS_TLS | TLS_GD;
         goto dogottls;

       case R_PPC64_GOT_TPREL16_DS:
       case R_PPC64_GOT_TPREL16_LO_DS:
       case R_PPC64_GOT_TPREL16_HI:
       case R_PPC64_GOT_TPREL16_HA:
         if (info->shared)
           info->flags |= DF_STATIC_TLS;
         tls_type = TLS_TLS | TLS_TPREL;
         goto dogottls;

       case R_PPC64_GOT_DTPREL16_DS:
       case R_PPC64_GOT_DTPREL16_LO_DS:
       case R_PPC64_GOT_DTPREL16_HI:
       case R_PPC64_GOT_DTPREL16_HA:
         tls_type = TLS_TLS | TLS_DTPREL;
       dogottls:
         sec->has_tls_reloc = 1;
         /* Fall thru */

       case R_PPC64_GOT16:
       case R_PPC64_GOT16_DS:
       case R_PPC64_GOT16_HA:
       case R_PPC64_GOT16_HI:
       case R_PPC64_GOT16_LO:
       case R_PPC64_GOT16_LO_DS:
         /* This symbol requires a global offset table entry.  */
         sec->has_toc_reloc = 1;
         if (ppc64_elf_tdata (abfd)->got == NULL
             && !create_got_section (abfd, info))
           return FALSE;

         if (h != NULL)
           {
             struct ppc_link_hash_entry *eh;
             struct got_entry *ent;

             eh = (struct ppc_link_hash_entry *) h;
             for (ent = eh->elf.got.glist; ent != NULL; ent = ent->next)
              if (ent->addend == rel->r_addend
                  && ent->owner == abfd
                  && ent->tls_type == tls_type)
                break;
             if (ent == NULL)
              {
                bfd_size_type amt = sizeof (*ent);
                ent = bfd_alloc (abfd, amt);
                if (ent == NULL)
                  return FALSE;
                ent->next = eh->elf.got.glist;
                ent->addend = rel->r_addend;
                ent->owner = abfd;
                ent->tls_type = tls_type;
                ent->got.refcount = 0;
                eh->elf.got.glist = ent;
              }
             ent->got.refcount += 1;
             eh->tls_mask |= tls_type;
           }
         else
           /* This is a global offset table entry for a local symbol.  */
           if (!update_local_sym_info (abfd, symtab_hdr, r_symndx,
                                   rel->r_addend, tls_type))
             return FALSE;
         break;

       case R_PPC64_PLT16_HA:
       case R_PPC64_PLT16_HI:
       case R_PPC64_PLT16_LO:
       case R_PPC64_PLT32:
       case R_PPC64_PLT64:
         /* This symbol requires a procedure linkage table entry.  We
            actually build the entry in adjust_dynamic_symbol,
            because this might be a case of linking PIC code without
            linking in any dynamic objects, in which case we don't
            need to generate a procedure linkage table after all.  */
         if (h == NULL)
           {
             /* It does not make sense to have a procedure linkage
               table entry for a local symbol.  */
             bfd_set_error (bfd_error_bad_value);
             return FALSE;
           }
         else
           if (!update_plt_info (abfd, (struct ppc_link_hash_entry *) h,
                              rel->r_addend))
             return FALSE;
         break;

         /* The following relocations don't need to propagate the
            relocation if linking a shared object since they are
            section relative.  */
       case R_PPC64_SECTOFF:
       case R_PPC64_SECTOFF_LO:
       case R_PPC64_SECTOFF_HI:
       case R_PPC64_SECTOFF_HA:
       case R_PPC64_SECTOFF_DS:
       case R_PPC64_SECTOFF_LO_DS:
       case R_PPC64_DTPREL16:
       case R_PPC64_DTPREL16_LO:
       case R_PPC64_DTPREL16_HI:
       case R_PPC64_DTPREL16_HA:
       case R_PPC64_DTPREL16_DS:
       case R_PPC64_DTPREL16_LO_DS:
       case R_PPC64_DTPREL16_HIGHER:
       case R_PPC64_DTPREL16_HIGHERA:
       case R_PPC64_DTPREL16_HIGHEST:
       case R_PPC64_DTPREL16_HIGHESTA:
         break;

         /* Nor do these.  */
       case R_PPC64_TOC16:
       case R_PPC64_TOC16_LO:
       case R_PPC64_TOC16_HI:
       case R_PPC64_TOC16_HA:
       case R_PPC64_TOC16_DS:
       case R_PPC64_TOC16_LO_DS:
         sec->has_toc_reloc = 1;
         break;

         /* This relocation describes the C++ object vtable hierarchy.
            Reconstruct it for later use during GC.  */
       case R_PPC64_GNU_VTINHERIT:
         if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
           return FALSE;
         break;

         /* This relocation describes which C++ vtable entries are actually
            used.  Record for later use during GC.  */
       case R_PPC64_GNU_VTENTRY:
         if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
           return FALSE;
         break;

       case R_PPC64_REL14:
       case R_PPC64_REL14_BRTAKEN:
       case R_PPC64_REL14_BRNTAKEN:
         {
           asection *dest = NULL;

           /* Heuristic: If jumping outside our section, chances are
              we are going to need a stub.  */
           if (h != NULL)
             {
              /* If the sym is weak it may be overridden later, so
                 don't assume we know where a weak sym lives.  */
              if (h->root.type == bfd_link_hash_defined)
                dest = h->root.u.def.section;
             }
           else
             dest = bfd_section_from_r_symndx (abfd, &htab->sym_sec,
                                          sec, r_symndx);
           if (dest != sec)
             ppc64_elf_section_data (sec)->has_14bit_branch = 1;
         }
         /* Fall through.  */

       case R_PPC64_REL24:
         if (h != NULL)
           {
             /* We may need a .plt entry if the function this reloc
               refers to is in a shared lib.  */
             if (!update_plt_info (abfd, (struct ppc_link_hash_entry *) h,
                                rel->r_addend))
              return FALSE;
             if (h == &htab->tls_get_addr->elf
                || h == &htab->tls_get_addr_fd->elf)
              sec->has_tls_reloc = 1;
             else if (htab->tls_get_addr == NULL
                     && CONST_STRNEQ (h->root.root.string, ".__tls_get_addr")
                     && (h->root.root.string[15] == 0
                        || h->root.root.string[15] == '@'))
              {
                htab->tls_get_addr = (struct ppc_link_hash_entry *) h;
                sec->has_tls_reloc = 1;
              }
             else if (htab->tls_get_addr_fd == NULL
                     && CONST_STRNEQ (h->root.root.string, "__tls_get_addr")
                     && (h->root.root.string[14] == 0
                        || h->root.root.string[14] == '@'))
              {
                htab->tls_get_addr_fd = (struct ppc_link_hash_entry *) h;
                sec->has_tls_reloc = 1;
              }
           }
         break;

       case R_PPC64_TPREL64:
         tls_type = TLS_EXPLICIT | TLS_TLS | TLS_TPREL;
         if (info->shared)
           info->flags |= DF_STATIC_TLS;
         goto dotlstoc;

       case R_PPC64_DTPMOD64:
         if (rel + 1 < rel_end
             && rel[1].r_info == ELF64_R_INFO (r_symndx, R_PPC64_DTPREL64)
             && rel[1].r_offset == rel->r_offset + 8)
           tls_type = TLS_EXPLICIT | TLS_TLS | TLS_GD;
         else
           tls_type = TLS_EXPLICIT | TLS_TLS | TLS_LD;
         goto dotlstoc;

       case R_PPC64_DTPREL64:
         tls_type = TLS_EXPLICIT | TLS_TLS | TLS_DTPREL;
         if (rel != relocs
             && rel[-1].r_info == ELF64_R_INFO (r_symndx, R_PPC64_DTPMOD64)
             && rel[-1].r_offset == rel->r_offset - 8)
           /* This is the second reloc of a dtpmod, dtprel pair.
              Don't mark with TLS_DTPREL.  */
           goto dodyn;

       dotlstoc:
         sec->has_tls_reloc = 1;
         if (h != NULL)
           {
             struct ppc_link_hash_entry *eh;
             eh = (struct ppc_link_hash_entry *) h;
             eh->tls_mask |= tls_type;
           }
         else
           if (!update_local_sym_info (abfd, symtab_hdr, r_symndx,
                                   rel->r_addend, tls_type))
             return FALSE;

         ppc64_sec = ppc64_elf_section_data (sec);
         if (ppc64_sec->sec_type != sec_toc)
           {
             /* One extra to simplify get_tls_mask.  */
             bfd_size_type amt = sec->size * sizeof (unsigned) / 8 + 1;
             ppc64_sec->u.t_symndx = bfd_zalloc (abfd, amt);
             if (ppc64_sec->u.t_symndx == NULL)
              return FALSE;
             BFD_ASSERT (ppc64_sec->sec_type == sec_normal);
             ppc64_sec->sec_type = sec_toc;
           }
         BFD_ASSERT (rel->r_offset % 8 == 0);
         ppc64_sec->u.t_symndx[rel->r_offset / 8] = r_symndx;

         /* Mark the second slot of a GD or LD entry.
            -1 to indicate GD and -2 to indicate LD.  */
         if (tls_type == (TLS_EXPLICIT | TLS_TLS | TLS_GD))
           ppc64_sec->u.t_symndx[rel->r_offset / 8 + 1] = -1;
         else if (tls_type == (TLS_EXPLICIT | TLS_TLS | TLS_LD))
           ppc64_sec->u.t_symndx[rel->r_offset / 8 + 1] = -2;
         goto dodyn;

       case R_PPC64_TPREL16:
       case R_PPC64_TPREL16_LO:
       case R_PPC64_TPREL16_HI:
       case R_PPC64_TPREL16_HA:
       case R_PPC64_TPREL16_DS:
       case R_PPC64_TPREL16_LO_DS:
       case R_PPC64_TPREL16_HIGHER:
       case R_PPC64_TPREL16_HIGHERA:
       case R_PPC64_TPREL16_HIGHEST:
       case R_PPC64_TPREL16_HIGHESTA:
         if (info->shared)
           {
             info->flags |= DF_STATIC_TLS;
             goto dodyn;
           }
         break;

       case R_PPC64_ADDR64:
         if (opd_sym_map != NULL
             && rel + 1 < rel_end
             && ELF64_R_TYPE ((rel + 1)->r_info) == R_PPC64_TOC)
           {
             if (h != NULL)
              {
                if (h->root.root.string[0] == '.'
                    && h->root.root.string[1] != 0
                    && get_fdh ((struct ppc_link_hash_entry *) h, htab))
                  ;
                else
                  ((struct ppc_link_hash_entry *) h)->is_func = 1;
              }
             else
              {
                asection *s;

                s = bfd_section_from_r_symndx (abfd, &htab->sym_sec, sec,
                                           r_symndx);
                if (s == NULL)
                  return FALSE;
                else if (s != sec)
                  opd_sym_map[rel->r_offset / 8] = s;
              }
           }
         /* Fall through.  */

       case R_PPC64_REL30:
       case R_PPC64_REL32:
       case R_PPC64_REL64:
       case R_PPC64_ADDR14:
       case R_PPC64_ADDR14_BRNTAKEN:
       case R_PPC64_ADDR14_BRTAKEN:
       case R_PPC64_ADDR16:
       case R_PPC64_ADDR16_DS:
       case R_PPC64_ADDR16_HA:
       case R_PPC64_ADDR16_HI:
       case R_PPC64_ADDR16_HIGHER:
       case R_PPC64_ADDR16_HIGHERA:
       case R_PPC64_ADDR16_HIGHEST:
       case R_PPC64_ADDR16_HIGHESTA:
       case R_PPC64_ADDR16_LO:
       case R_PPC64_ADDR16_LO_DS:
       case R_PPC64_ADDR24:
       case R_PPC64_ADDR32:
       case R_PPC64_UADDR16:
       case R_PPC64_UADDR32:
       case R_PPC64_UADDR64:
       case R_PPC64_TOC:
         if (h != NULL && !info->shared)
           /* We may need a copy reloc.  */
           h->non_got_ref = 1;

         /* Don't propagate .opd relocs.  */
         if (NO_OPD_RELOCS && opd_sym_map != NULL)
           break;

         /* If we are creating a shared library, and this is a reloc
            against a global symbol, or a non PC relative reloc
            against a local symbol, then we need to copy the reloc
            into the shared library.  However, if we are linking with
            -Bsymbolic, we do not need to copy a reloc against a
            global symbol which is defined in an object we are
            including in the link (i.e., DEF_REGULAR is set).  At
            this point we have not seen all the input files, so it is
            possible that DEF_REGULAR is not set now but will be set
            later (it is never cleared).  In case of a weak definition,
            DEF_REGULAR may be cleared later by a strong definition in
            a shared library.  We account for that possibility below by
            storing information in the dyn_relocs field of the hash
            table entry.  A similar situation occurs when creating
            shared libraries and symbol visibility changes render the
            symbol local.

            If on the other hand, we are creating an executable, we
            may need to keep relocations for symbols satisfied by a
            dynamic library if we manage to avoid copy relocs for the
            symbol.  */
       dodyn:
         if ((info->shared
              && (MUST_BE_DYN_RELOC (r_type)
                 || (h != NULL
                     && (! info->symbolic
                        || h->root.type == bfd_link_hash_defweak
                        || !h->def_regular))))
             || (ELIMINATE_COPY_RELOCS
                && !info->shared
                && h != NULL
                && (h->root.type == bfd_link_hash_defweak
                    || !h->def_regular)))
           {
             struct ppc_dyn_relocs *p;
             struct ppc_dyn_relocs **head;

             /* We must copy these reloc types into the output file.
               Create a reloc section in dynobj and make room for
               this reloc.  */
             if (sreloc == NULL)
              {
                const char *name;
                bfd *dynobj;

                name = (bfd_elf_string_from_elf_section
                       (abfd,
                        elf_elfheader (abfd)->e_shstrndx,
                        elf_section_data (sec)->rel_hdr.sh_name));
                if (name == NULL)
                  return FALSE;

                if (! CONST_STRNEQ (name, ".rela")
                    || strcmp (bfd_get_section_name (abfd, sec),
                             name + 5) != 0)
                  {
                    (*_bfd_error_handler)
                     (_("%B: bad relocation section name `%s\'"),
                      abfd, name);
                    bfd_set_error (bfd_error_bad_value);
                  }

                dynobj = htab->elf.dynobj;
                sreloc = bfd_get_section_by_name (dynobj, name);
                if (sreloc == NULL)
                  {
                    flagword flags;

                    flags = (SEC_HAS_CONTENTS | SEC_READONLY
                            | SEC_IN_MEMORY | SEC_LINKER_CREATED
                            | SEC_ALLOC | SEC_LOAD);
                    sreloc = bfd_make_section_with_flags (dynobj,
                                                     name,
                                                     flags);
                    if (sreloc == NULL
                       || ! bfd_set_section_alignment (dynobj, sreloc, 3))
                     return FALSE;
                  }
                elf_section_data (sec)->sreloc = sreloc;
              }

             /* If this is a global symbol, we count the number of
               relocations we need for this symbol.  */
             if (h != NULL)
              {
                head = &((struct ppc_link_hash_entry *) h)->dyn_relocs;
              }
             else
              {
                /* Track dynamic relocs needed for local syms too.
                   We really need local syms available to do this
                   easily.  Oh well.  */

                asection *s;
                void *vpp;

                s = bfd_section_from_r_symndx (abfd, &htab->sym_sec,
                                           sec, r_symndx);
                if (s == NULL)
                  return FALSE;

                vpp = &elf_section_data (s)->local_dynrel;
                head = (struct ppc_dyn_relocs **) vpp;
              }

             p = *head;
             if (p == NULL || p->sec != sec)
              {
                p = bfd_alloc (htab->elf.dynobj, sizeof *p);
                if (p == NULL)
                  return FALSE;
                p->next = *head;
                *head = p;
                p->sec = sec;
                p->count = 0;
                p->pc_count = 0;
              }

             p->count += 1;
             if (!MUST_BE_DYN_RELOC (r_type))
              p->pc_count += 1;
           }
         break;

       default:
         break;
       }
    }

  return TRUE;
}

Here is the call graph for this function:

Definition at line 3965 of file elf64-ppc.c.

{
  struct ppc_link_hash_entry *edir, *eind;

  edir = (struct ppc_link_hash_entry *) dir;
  eind = (struct ppc_link_hash_entry *) ind;

  /* Copy over any dynamic relocs we may have on the indirect sym.  */
  if (eind->dyn_relocs != NULL)
    {
      if (edir->dyn_relocs != NULL)
       {
         struct ppc_dyn_relocs **pp;
         struct ppc_dyn_relocs *p;

         /* Add reloc counts against the indirect sym to the direct sym
            list.  Merge any entries against the same section.  */
         for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
           {
             struct ppc_dyn_relocs *q;

             for (q = edir->dyn_relocs; q != NULL; q = q->next)
              if (q->sec == p->sec)
                {
                  q->pc_count += p->pc_count;
                  q->count += p->count;
                  *pp = p->next;
                  break;
                }
             if (q == NULL)
              pp = &p->next;
           }
         *pp = edir->dyn_relocs;
       }

      edir->dyn_relocs = eind->dyn_relocs;
      eind->dyn_relocs = NULL;
    }

  edir->is_func |= eind->is_func;
  edir->is_func_descriptor |= eind->is_func_descriptor;
  edir->tls_mask |= eind->tls_mask;

  /* If called to transfer flags for a weakdef during processing
     of elf_adjust_dynamic_symbol, don't copy NON_GOT_REF.
     We clear it ourselves for ELIMINATE_COPY_RELOCS.  */
  if (!(ELIMINATE_COPY_RELOCS
       && eind->elf.root.type != bfd_link_hash_indirect
       && edir->elf.dynamic_adjusted))
    edir->elf.non_got_ref |= eind->elf.non_got_ref;

  edir->elf.ref_dynamic |= eind->elf.ref_dynamic;
  edir->elf.ref_regular |= eind->elf.ref_regular;
  edir->elf.ref_regular_nonweak |= eind->elf.ref_regular_nonweak;
  edir->elf.needs_plt |= eind->elf.needs_plt;

  /* If we were called to copy over info for a weak sym, that's all.  */
  if (eind->elf.root.type != bfd_link_hash_indirect)
    return;

  /* Copy over got entries that we may have already seen to the
     symbol which just became indirect.  */
  if (eind->elf.got.glist != NULL)
    {
      if (edir->elf.got.glist != NULL)
       {
         struct got_entry **entp;
         struct got_entry *ent;

         for (entp = &eind->elf.got.glist; (ent = *entp) != NULL; )
           {
             struct got_entry *dent;

             for (dent = edir->elf.got.glist; dent != NULL; dent = dent->next)
              if (dent->addend == ent->addend
                  && dent->owner == ent->owner
                  && dent->tls_type == ent->tls_type)
                {
                  dent->got.refcount += ent->got.refcount;
                  *entp = ent->next;
                  break;
                }
             if (dent == NULL)
              entp = &ent->next;
           }
         *entp = edir->elf.got.glist;
       }

      edir->elf.got.glist = eind->elf.got.glist;
      eind->elf.got.glist = NULL;
    }

  /* And plt entries.  */
  move_plt_plist (eind, edir);

  if (eind->elf.dynindx != -1)
    {
      if (edir->elf.dynindx != -1)
       _bfd_elf_strtab_delref (elf_hash_table (info)->dynstr,
                            edir->elf.dynstr_index);
      edir->elf.dynindx = eind->elf.dynindx;
      edir->elf.dynstr_index = eind->elf.dynstr_index;
      eind->elf.dynindx = -1;
      eind->elf.dynstr_index = 0;
    }
}

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static bfd_boolean ppc64_elf_create_dynamic_sections ( bfd dynobj,
struct bfd_link_info info 
) [static]

Definition at line 3904 of file elf64-ppc.c.

{
  struct ppc_link_hash_table *htab;

  if (!_bfd_elf_create_dynamic_sections (dynobj, info))
    return FALSE;

  htab = ppc_hash_table (info);
  if (!htab->got)
    htab->got = bfd_get_section_by_name (dynobj, ".got");
  htab->plt = bfd_get_section_by_name (dynobj, ".plt");
  htab->relplt = bfd_get_section_by_name (dynobj, ".rela.plt");
  htab->dynbss = bfd_get_section_by_name (dynobj, ".dynbss");
  if (!info->shared)
    htab->relbss = bfd_get_section_by_name (dynobj, ".rela.bss");

  if (!htab->got || !htab->plt || !htab->relplt || !htab->dynbss
      || (!info->shared && !htab->relbss))
    abort ();

  return TRUE;
}

Here is the call graph for this function:

bfd_boolean ppc64_elf_edit_opd ( bfd obfd,
struct bfd_link_info info,
bfd_boolean  no_opd_opt,
bfd_boolean  non_overlapping 
)

Definition at line 6345 of file elf64-ppc.c.

{
  bfd *ibfd;
  bfd_boolean some_edited = FALSE;
  asection *need_pad = NULL;

  for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
    {
      asection *sec;
      Elf_Internal_Rela *relstart, *rel, *relend;
      Elf_Internal_Shdr *symtab_hdr;
      Elf_Internal_Sym *local_syms;
      struct elf_link_hash_entry **sym_hashes;
      bfd_vma offset;
      bfd_size_type amt;
      long *opd_adjust;
      bfd_boolean need_edit, add_aux_fields;
      bfd_size_type cnt_16b = 0;

      sec = bfd_get_section_by_name (ibfd, ".opd");
      if (sec == NULL || sec->size == 0)
       continue;

      amt = sec->size * sizeof (long) / 8;
      opd_adjust = get_opd_info (sec);
      if (opd_adjust == NULL)
       {
         /* check_relocs hasn't been called.  Must be a ld -r link
            or --just-symbols object.   */
         opd_adjust = bfd_alloc (obfd, amt);
         if (opd_adjust == NULL)
           return FALSE;
         ppc64_elf_section_data (sec)->u.opd_adjust = opd_adjust;
         BFD_ASSERT (ppc64_elf_section_data (sec)->sec_type == sec_normal);
         ppc64_elf_section_data (sec)->sec_type = sec_opd;
       }
      memset (opd_adjust, 0, amt);

      if (no_opd_opt)
       continue;

      if (sec->sec_info_type == ELF_INFO_TYPE_JUST_SYMS)
       continue;

      if (sec->output_section == bfd_abs_section_ptr)
       continue;

      /* Look through the section relocs.  */
      if ((sec->flags & SEC_RELOC) == 0 || sec->reloc_count == 0)
       continue;

      local_syms = NULL;
      symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
      sym_hashes = elf_sym_hashes (ibfd);

      /* Read the relocations.  */
      relstart = _bfd_elf_link_read_relocs (ibfd, sec, NULL, NULL,
                                       info->keep_memory);
      if (relstart == NULL)
       return FALSE;

      /* First run through the relocs to check they are sane, and to
        determine whether we need to edit this opd section.  */
      need_edit = FALSE;
      need_pad = sec;
      offset = 0;
      relend = relstart + sec->reloc_count;
      for (rel = relstart; rel < relend; )
       {
         enum elf_ppc64_reloc_type r_type;
         unsigned long r_symndx;
         asection *sym_sec;
         struct elf_link_hash_entry *h;
         Elf_Internal_Sym *sym;

         /* .opd contains a regular array of 16 or 24 byte entries.  We're
            only interested in the reloc pointing to a function entry
            point.  */
         if (rel->r_offset != offset
             || rel + 1 >= relend
             || (rel + 1)->r_offset != offset + 8)
           {
             /* If someone messes with .opd alignment then after a
               "ld -r" we might have padding in the middle of .opd.
               Also, there's nothing to prevent someone putting
               something silly in .opd with the assembler.  No .opd
               optimization for them!  */
           broken_opd:
             (*_bfd_error_handler)
              (_("%B: .opd is not a regular array of opd entries"), ibfd);
             need_edit = FALSE;
             break;
           }

         if ((r_type = ELF64_R_TYPE (rel->r_info)) != R_PPC64_ADDR64
             || (r_type = ELF64_R_TYPE ((rel + 1)->r_info)) != R_PPC64_TOC)
           {
             (*_bfd_error_handler)
              (_("%B: unexpected reloc type %u in .opd section"),
               ibfd, r_type);
             need_edit = FALSE;
             break;
           }

         r_symndx = ELF64_R_SYM (rel->r_info);
         if (!get_sym_h (&h, &sym, &sym_sec, NULL, &local_syms,
                       r_symndx, ibfd))
           goto error_ret;

         if (sym_sec == NULL || sym_sec->owner == NULL)
           {
             const char *sym_name;
             if (h != NULL)
              sym_name = h->root.root.string;
             else
              sym_name = bfd_elf_sym_name (ibfd, symtab_hdr, sym,
                                        sym_sec);

             (*_bfd_error_handler)
              (_("%B: undefined sym `%s' in .opd section"),
               ibfd, sym_name);
             need_edit = FALSE;
             break;
           }

         /* opd entries are always for functions defined in the
            current input bfd.  If the symbol isn't defined in the
            input bfd, then we won't be using the function in this
            bfd;  It must be defined in a linkonce section in another
            bfd, or is weak.  It's also possible that we are
            discarding the function due to a linker script /DISCARD/,
            which we test for via the output_section.  */
         if (sym_sec->owner != ibfd
             || sym_sec->output_section == bfd_abs_section_ptr)
           need_edit = TRUE;

         rel += 2;
         if (rel == relend
             || (rel + 1 == relend && rel->r_offset == offset + 16))
           {
             if (sec->size == offset + 24)
              {
                need_pad = NULL;
                break;
              }
             if (rel == relend && sec->size == offset + 16)
              {
                cnt_16b++;
                break;
              }
             goto broken_opd;
           }

         if (rel->r_offset == offset + 24)
           offset += 24;
         else if (rel->r_offset != offset + 16)
           goto broken_opd;
         else if (rel + 1 < relend
                 && ELF64_R_TYPE (rel[0].r_info) == R_PPC64_ADDR64
                 && ELF64_R_TYPE (rel[1].r_info) == R_PPC64_TOC)
           {
             offset += 16;
             cnt_16b++;
           }
         else if (rel + 2 < relend
                 && ELF64_R_TYPE (rel[1].r_info) == R_PPC64_ADDR64
                 && ELF64_R_TYPE (rel[2].r_info) == R_PPC64_TOC)
           {
             offset += 24;
             rel += 1;
           }
         else
           goto broken_opd;
       }

      add_aux_fields = non_overlapping && cnt_16b > 0;

      if (need_edit || add_aux_fields)
       {
         Elf_Internal_Rela *write_rel;
         bfd_byte *rptr, *wptr;
         bfd_byte *new_contents = NULL;
         bfd_boolean skip;
         long opd_ent_size;

         /* This seems a waste of time as input .opd sections are all
            zeros as generated by gcc, but I suppose there's no reason
            this will always be so.  We might start putting something in
            the third word of .opd entries.  */
         if ((sec->flags & SEC_IN_MEMORY) == 0)
           {
             bfd_byte *loc;
             if (!bfd_malloc_and_get_section (ibfd, sec, &loc))
              {
                if (loc != NULL)
                  free (loc);
              error_ret:
                if (local_syms != NULL
                    && symtab_hdr->contents != (unsigned char *) local_syms)
                  free (local_syms);
                if (elf_section_data (sec)->relocs != relstart)
                  free (relstart);
                return FALSE;
              }
             sec->contents = loc;
             sec->flags |= (SEC_IN_MEMORY | SEC_HAS_CONTENTS);
           }

         elf_section_data (sec)->relocs = relstart;

         new_contents = sec->contents;
         if (add_aux_fields)
           {
             new_contents = bfd_malloc (sec->size + cnt_16b * 8);
             if (new_contents == NULL)
              return FALSE;
             need_pad = FALSE;
           }
         wptr = new_contents;
         rptr = sec->contents;

         write_rel = relstart;
         skip = FALSE;
         offset = 0;
         opd_ent_size = 0;
         for (rel = relstart; rel < relend; rel++)
           {
             unsigned long r_symndx;
             asection *sym_sec;
             struct elf_link_hash_entry *h;
             Elf_Internal_Sym *sym;

             r_symndx = ELF64_R_SYM (rel->r_info);
             if (!get_sym_h (&h, &sym, &sym_sec, NULL, &local_syms,
                           r_symndx, ibfd))
              goto error_ret;

             if (rel->r_offset == offset)
              {
                struct ppc_link_hash_entry *fdh = NULL;

                /* See if the .opd entry is full 24 byte or
                   16 byte (with fd_aux entry overlapped with next
                   fd_func).  */
                opd_ent_size = 24;
                if ((rel + 2 == relend && sec->size == offset + 16)
                    || (rel + 3 < relend
                       && rel[2].r_offset == offset + 16
                       && rel[3].r_offset == offset + 24
                       && ELF64_R_TYPE (rel[2].r_info) == R_PPC64_ADDR64
                       && ELF64_R_TYPE (rel[3].r_info) == R_PPC64_TOC))
                  opd_ent_size = 16;

                if (h != NULL
                    && h->root.root.string[0] == '.')
                  {
                    fdh = get_fdh ((struct ppc_link_hash_entry *) h,
                                 ppc_hash_table (info));
                    if (fdh != NULL
                       && fdh->elf.root.type != bfd_link_hash_defined
                       && fdh->elf.root.type != bfd_link_hash_defweak)
                     fdh = NULL;
                  }

                skip = (sym_sec->owner != ibfd
                       || sym_sec->output_section == bfd_abs_section_ptr);
                if (skip)
                  {
                    if (fdh != NULL && sym_sec->owner == ibfd)
                     {
                       /* Arrange for the function descriptor sym
                          to be dropped.  */
                       fdh->elf.root.u.def.value = 0;
                       fdh->elf.root.u.def.section = sym_sec;
                     }
                    opd_adjust[rel->r_offset / 8] = -1;
                  }
                else
                  {
                    /* We'll be keeping this opd entry.  */

                    if (fdh != NULL)
                     {
                       /* Redefine the function descriptor symbol to
                          this location in the opd section.  It is
                          necessary to update the value here rather
                          than using an array of adjustments as we do
                          for local symbols, because various places
                          in the generic ELF code use the value
                          stored in u.def.value.  */
                       fdh->elf.root.u.def.value = wptr - new_contents;
                       fdh->adjust_done = 1;
                     }

                    /* Local syms are a bit tricky.  We could
                      tweak them as they can be cached, but
                      we'd need to look through the local syms
                      for the function descriptor sym which we
                      don't have at the moment.  So keep an
                      array of adjustments.  */
                    opd_adjust[rel->r_offset / 8]
                     = (wptr - new_contents) - (rptr - sec->contents);

                    if (wptr != rptr)
                     memcpy (wptr, rptr, opd_ent_size);
                    wptr += opd_ent_size;
                    if (add_aux_fields && opd_ent_size == 16)
                     {
                       memset (wptr, '\0', 8);
                       wptr += 8;
                     }
                  }
                rptr += opd_ent_size;
                offset += opd_ent_size;
              }

             if (skip)
              {
                if (!NO_OPD_RELOCS
                    && !info->relocatable
                    && !dec_dynrel_count (rel->r_info, sec, info,
                                       NULL, h, sym_sec))
                  goto error_ret;
              }
             else
              {
                /* We need to adjust any reloc offsets to point to the
                   new opd entries.  While we're at it, we may as well
                   remove redundant relocs.  */
                rel->r_offset += opd_adjust[(offset - opd_ent_size) / 8];
                if (write_rel != rel)
                  memcpy (write_rel, rel, sizeof (*rel));
                ++write_rel;
              }
           }

         sec->size = wptr - new_contents;
         sec->reloc_count = write_rel - relstart;
         if (add_aux_fields)
           {
             free (sec->contents);
             sec->contents = new_contents;
           }

         /* Fudge the header size too, as this is used later in
            elf_bfd_final_link if we are emitting relocs.  */
         elf_section_data (sec)->rel_hdr.sh_size
           = sec->reloc_count * elf_section_data (sec)->rel_hdr.sh_entsize;
         BFD_ASSERT (elf_section_data (sec)->rel_hdr2 == NULL);
         some_edited = TRUE;
       }
      else if (elf_section_data (sec)->relocs != relstart)
       free (relstart);

      if (local_syms != NULL
         && symtab_hdr->contents != (unsigned char *) local_syms)
       {
         if (!info->keep_memory)
           free (local_syms);
         else
           symtab_hdr->contents = (unsigned char *) local_syms;
       }
    }

  if (some_edited)
    elf_link_hash_traverse (elf_hash_table (info), adjust_opd_syms, NULL);

  /* If we are doing a final link and the last .opd entry is just 16 byte
     long, add a 8 byte padding after it.  */
  if (need_pad != NULL && !info->relocatable)
    {
      bfd_byte *p;

      if ((need_pad->flags & SEC_IN_MEMORY) == 0)
       {
         BFD_ASSERT (need_pad->size > 0);

         p = bfd_malloc (need_pad->size + 8);
         if (p == NULL)
           return FALSE;

         if (! bfd_get_section_contents (need_pad->owner, need_pad,
                                     p, 0, need_pad->size))
           return FALSE;

         need_pad->contents = p;
         need_pad->flags |= (SEC_IN_MEMORY | SEC_HAS_CONTENTS);
       }
      else
       {
         p = bfd_realloc (need_pad->contents, need_pad->size + 8);
         if (p == NULL)
           return FALSE;

         need_pad->contents = p;
       }

      memset (need_pad->contents + need_pad->size, 0, 8);
      need_pad->size += 8;
    }

  return TRUE;
}

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bfd_boolean ppc64_elf_edit_toc ( bfd *obfd  ATTRIBUTE_UNUSED,
struct bfd_link_info info 
)

Definition at line 7189 of file elf64-ppc.c.

{
  bfd *ibfd;
  struct adjust_toc_info toc_inf;

  toc_inf.global_toc_syms = TRUE;
  for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
    {
      asection *toc, *sec;
      Elf_Internal_Shdr *symtab_hdr;
      Elf_Internal_Sym *local_syms;
      struct elf_link_hash_entry **sym_hashes;
      Elf_Internal_Rela *relstart, *rel;
      unsigned long *skip, *drop;
      unsigned char *used;
      unsigned char *keep, last, some_unused;

      toc = bfd_get_section_by_name (ibfd, ".toc");
      if (toc == NULL
         || toc->size == 0
         || toc->sec_info_type == ELF_INFO_TYPE_JUST_SYMS
         || elf_discarded_section (toc))
       continue;

      local_syms = NULL;
      symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
      sym_hashes = elf_sym_hashes (ibfd);

      /* Look at sections dropped from the final link.  */
      skip = NULL;
      relstart = NULL;
      for (sec = ibfd->sections; sec != NULL; sec = sec->next)
       {
         if (sec->reloc_count == 0
             || !elf_discarded_section (sec)
             || get_opd_info (sec)
             || (sec->flags & SEC_ALLOC) == 0
             || (sec->flags & SEC_DEBUGGING) != 0)
           continue;

         relstart = _bfd_elf_link_read_relocs (ibfd, sec, NULL, NULL, FALSE);
         if (relstart == NULL)
           goto error_ret;

         /* Run through the relocs to see which toc entries might be
            unused.  */
         for (rel = relstart; rel < relstart + sec->reloc_count; ++rel)
           {
             enum elf_ppc64_reloc_type r_type;
             unsigned long r_symndx;
             asection *sym_sec;
             struct elf_link_hash_entry *h;
             Elf_Internal_Sym *sym;
             bfd_vma val;

             r_type = ELF64_R_TYPE (rel->r_info);
             switch (r_type)
              {
              default:
                continue;

              case R_PPC64_TOC16:
              case R_PPC64_TOC16_LO:
              case R_PPC64_TOC16_HI:
              case R_PPC64_TOC16_HA:
              case R_PPC64_TOC16_DS:
              case R_PPC64_TOC16_LO_DS:
                break;
              }

             r_symndx = ELF64_R_SYM (rel->r_info);
             if (!get_sym_h (&h, &sym, &sym_sec, NULL, &local_syms,
                           r_symndx, ibfd))
              goto error_ret;

             if (sym_sec != toc)
              continue;

             if (h != NULL)
              val = h->root.u.def.value;
             else
              val = sym->st_value;
             val += rel->r_addend;

             if (val >= toc->size)
              continue;

             /* Anything in the toc ought to be aligned to 8 bytes.
               If not, don't mark as unused.  */
             if (val & 7)
              continue;

             if (skip == NULL)
              {
                skip = bfd_zmalloc (sizeof (*skip) * (toc->size + 7) / 8);
                if (skip == NULL)
                  goto error_ret;
              }

             skip[val >> 3] = 1;
           }

         if (elf_section_data (sec)->relocs != relstart)
           free (relstart);
       }

      if (skip == NULL)
       continue;

      used = bfd_zmalloc (sizeof (*used) * (toc->size + 7) / 8);
      if (used == NULL)
       {
       error_ret:
         if (local_syms != NULL
             && symtab_hdr->contents != (unsigned char *) local_syms)
           free (local_syms);
         if (sec != NULL
             && relstart != NULL
             && elf_section_data (sec)->relocs != relstart)
           free (relstart);
         if (skip != NULL)
           free (skip);
         return FALSE;
       }

      /* Now check all kept sections that might reference the toc.
        Check the toc itself last.  */
      for (sec = (ibfd->sections == toc && toc->next ? toc->next
                : ibfd->sections);
          sec != NULL;
          sec = (sec == toc ? NULL
                : sec->next == NULL ? toc
                : sec->next == toc && toc->next ? toc->next
                : sec->next))
       {
         int repeat;

         if (sec->reloc_count == 0
             || elf_discarded_section (sec)
             || get_opd_info (sec)
             || (sec->flags & SEC_ALLOC) == 0
             || (sec->flags & SEC_DEBUGGING) != 0)
           continue;

         relstart = _bfd_elf_link_read_relocs (ibfd, sec, NULL, NULL, TRUE);
         if (relstart == NULL)
           goto error_ret;

         /* Mark toc entries referenced as used.  */
         repeat = 0;
         do
           for (rel = relstart; rel < relstart + sec->reloc_count; ++rel)
             {
              enum elf_ppc64_reloc_type r_type;
              unsigned long r_symndx;
              asection *sym_sec;
              struct elf_link_hash_entry *h;
              Elf_Internal_Sym *sym;
              bfd_vma val;

              r_type = ELF64_R_TYPE (rel->r_info);
              switch (r_type)
                {
                case R_PPC64_TOC16:
                case R_PPC64_TOC16_LO:
                case R_PPC64_TOC16_HI:
                case R_PPC64_TOC16_HA:
                case R_PPC64_TOC16_DS:
                case R_PPC64_TOC16_LO_DS:
                  /* In case we're taking addresses of toc entries.  */
                case R_PPC64_ADDR64:
                  break;

                default:
                  continue;
                }

              r_symndx = ELF64_R_SYM (rel->r_info);
              if (!get_sym_h (&h, &sym, &sym_sec, NULL, &local_syms,
                            r_symndx, ibfd))
                {
                  free (used);
                  goto error_ret;
                }

              if (sym_sec != toc)
                continue;

              if (h != NULL)
                val = h->root.u.def.value;
              else
                val = sym->st_value;
              val += rel->r_addend;

              if (val >= toc->size)
                continue;

              /* For the toc section, we only mark as used if
                 this entry itself isn't unused.  */
              if (sec == toc
                  && !used[val >> 3]
                  && (used[rel->r_offset >> 3]
                     || !skip[rel->r_offset >> 3]))
                /* Do all the relocs again, to catch reference
                   chains.  */
                repeat = 1;

              used[val >> 3] = 1;
             }
         while (repeat);
       }

      /* Merge the used and skip arrays.  Assume that TOC
        doublewords not appearing as either used or unused belong
        to to an entry more than one doubleword in size.  */
      for (drop = skip, keep = used, last = 0, some_unused = 0;
          drop < skip + (toc->size + 7) / 8;
          ++drop, ++keep)
       {
         if (*keep)
           {
             *drop = 0;
             last = 0;
           }
         else if (*drop)
           {
             some_unused = 1;
             last = 1;
           }
         else
           *drop = last;
       }

      free (used);

      if (some_unused)
       {
         bfd_byte *contents, *src;
         unsigned long off;

         /* Shuffle the toc contents, and at the same time convert the
            skip array from booleans into offsets.  */
         if (!bfd_malloc_and_get_section (ibfd, toc, &contents))
           goto error_ret;

         elf_section_data (toc)->this_hdr.contents = contents;

         for (src = contents, off = 0, drop = skip;
              src < contents + toc->size;
              src += 8, ++drop)
           {
             if (*drop)
              {
                *drop = (unsigned long) -1;
                off += 8;
              }
             else if (off != 0)
              {
                *drop = off;
                memcpy (src - off, src, 8);
              }
           }
         toc->rawsize = toc->size;
         toc->size = src - contents - off;

         if (toc->reloc_count != 0)
           {
             Elf_Internal_Rela *wrel;
             bfd_size_type sz;

             /* Read toc relocs.  */
             relstart = _bfd_elf_link_read_relocs (ibfd, toc, NULL, NULL,
                                              TRUE);
             if (relstart == NULL)
              goto error_ret;

             /* Remove unused toc relocs, and adjust those we keep.  */
             wrel = relstart;
             for (rel = relstart; rel < relstart + toc->reloc_count; ++rel)
              if (skip[rel->r_offset >> 3] != (unsigned long) -1)
                {
                  wrel->r_offset = rel->r_offset - skip[rel->r_offset >> 3];
                  wrel->r_info = rel->r_info;
                  wrel->r_addend = rel->r_addend;
                  ++wrel;
                }
              else if (!dec_dynrel_count (rel->r_info, toc, info,
                                       &local_syms, NULL, NULL))
                goto error_ret;

             toc->reloc_count = wrel - relstart;
             sz = elf_section_data (toc)->rel_hdr.sh_entsize;
             elf_section_data (toc)->rel_hdr.sh_size = toc->reloc_count * sz;
             BFD_ASSERT (elf_section_data (toc)->rel_hdr2 == NULL);
           }

         /* Adjust addends for relocs against the toc section sym.  */
         for (sec = ibfd->sections; sec != NULL; sec = sec->next)
           {
             if (sec->reloc_count == 0
                || elf_discarded_section (sec))
              continue;

             relstart = _bfd_elf_link_read_relocs (ibfd, sec, NULL, NULL,
                                              TRUE);
             if (relstart == NULL)
              goto error_ret;

             for (rel = relstart; rel < relstart + sec->reloc_count; ++rel)
              {
                enum elf_ppc64_reloc_type r_type;
                unsigned long r_symndx;
                asection *sym_sec;
                struct elf_link_hash_entry *h;
                Elf_Internal_Sym *sym;

                r_type = ELF64_R_TYPE (rel->r_info);
                switch (r_type)
                  {
                  default:
                    continue;

                  case R_PPC64_TOC16:
                  case R_PPC64_TOC16_LO:
                  case R_PPC64_TOC16_HI:
                  case R_PPC64_TOC16_HA:
                  case R_PPC64_TOC16_DS:
                  case R_PPC64_TOC16_LO_DS:
                  case R_PPC64_ADDR64:
                    break;
                  }

                r_symndx = ELF64_R_SYM (rel->r_info);
                if (!get_sym_h (&h, &sym, &sym_sec, NULL, &local_syms,
                              r_symndx, ibfd))
                  goto error_ret;

                if (sym_sec != toc || h != NULL || sym->st_value != 0)
                  continue;

                rel->r_addend -= skip[rel->r_addend >> 3];
              }
           }

         /* We shouldn't have local or global symbols defined in the TOC,
            but handle them anyway.  */
         if (local_syms != NULL)
           {
             Elf_Internal_Sym *sym;

             for (sym = local_syms;
                 sym < local_syms + symtab_hdr->sh_info;
                 ++sym)
              if (sym->st_shndx != SHN_UNDEF
                  && (sym->st_shndx < SHN_LORESERVE
                     || sym->st_shndx > SHN_HIRESERVE)
                  && sym->st_value != 0
                  && bfd_section_from_elf_index (ibfd, sym->st_shndx) == toc)
                {
                  if (skip[sym->st_value >> 3] != (unsigned long) -1)
                    sym->st_value -= skip[sym->st_value >> 3];
                  else
                    {
                     (*_bfd_error_handler)
                       (_("%s defined in removed toc entry"),
                        bfd_elf_sym_name (ibfd, symtab_hdr, sym,
                                        NULL));
                     sym->st_value = 0;
                     sym->st_shndx = SHN_ABS;
                    }
                  symtab_hdr->contents = (unsigned char *) local_syms;
                }
           }

         /* Finally, adjust any global syms defined in the toc.  */
         if (toc_inf.global_toc_syms)
           {
             toc_inf.toc = toc;
             toc_inf.skip = skip;
             toc_inf.global_toc_syms = FALSE;
             elf_link_hash_traverse (elf_hash_table (info), adjust_toc_syms,
                                  &toc_inf);
           }
       }

      if (local_syms != NULL
         && symtab_hdr->contents != (unsigned char *) local_syms)
       {
         if (!info->keep_memory)
           free (local_syms);
         else
           symtab_hdr->contents = (unsigned char *) local_syms;
       }
      free (skip);
    }

  return TRUE;
}

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static bfd_boolean ppc64_elf_finish_dynamic_sections ( bfd output_bfd,
struct bfd_link_info info 
) [static]

Definition at line 11359 of file elf64-ppc.c.

{
  struct ppc_link_hash_table *htab;
  bfd *dynobj;
  asection *sdyn;

  htab = ppc_hash_table (info);
  dynobj = htab->elf.dynobj;
  sdyn = bfd_get_section_by_name (dynobj, ".dynamic");

  if (htab->elf.dynamic_sections_created)
    {
      Elf64_External_Dyn *dyncon, *dynconend;

      if (sdyn == NULL || htab->got == NULL)
       abort ();

      dyncon = (Elf64_External_Dyn *) sdyn->contents;
      dynconend = (Elf64_External_Dyn *) (sdyn->contents + sdyn->size);
      for (; dyncon < dynconend; dyncon++)
       {
         Elf_Internal_Dyn dyn;
         asection *s;

         bfd_elf64_swap_dyn_in (dynobj, dyncon, &dyn);

         switch (dyn.d_tag)
           {
           default:
             continue;

           case DT_PPC64_GLINK:
             s = htab->glink;
             dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
             /* We stupidly defined DT_PPC64_GLINK to be the start
               of glink rather than the first entry point, which is
               what ld.so needs, and now have a bigger stub to
               support automatic multiple TOCs.  */
             dyn.d_un.d_ptr += GLINK_CALL_STUB_SIZE - 32;
             break;

           case DT_PPC64_OPD:
             s = bfd_get_section_by_name (output_bfd, ".opd");
             if (s == NULL)
              continue;
             dyn.d_un.d_ptr = s->vma;
             break;

           case DT_PPC64_OPDSZ:
             s = bfd_get_section_by_name (output_bfd, ".opd");
             if (s == NULL)
              continue;
             dyn.d_un.d_val = s->size;
             break;

           case DT_PLTGOT:
             s = htab->plt;
             dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
             break;

           case DT_JMPREL:
             s = htab->relplt;
             dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
             break;

           case DT_PLTRELSZ:
             dyn.d_un.d_val = htab->relplt->size;
             break;

           case DT_RELASZ:
             /* Don't count procedure linkage table relocs in the
               overall reloc count.  */
             s = htab->relplt;
             if (s == NULL)
              continue;
             dyn.d_un.d_val -= s->size;
             break;

           case DT_RELA:
             /* We may not be using the standard ELF linker script.
               If .rela.plt is the first .rela section, we adjust
               DT_RELA to not include it.  */
             s = htab->relplt;
             if (s == NULL)
              continue;
             if (dyn.d_un.d_ptr != s->output_section->vma + s->output_offset)
              continue;
             dyn.d_un.d_ptr += s->size;
             break;
           }

         bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon);
       }
    }

  if (htab->got != NULL && htab->got->size != 0)
    {
      /* Fill in the first entry in the global offset table.
        We use it to hold the link-time TOCbase.  */
      bfd_put_64 (output_bfd,
                elf_gp (output_bfd) + TOC_BASE_OFF,
                htab->got->contents);

      /* Set .got entry size.  */
      elf_section_data (htab->got->output_section)->this_hdr.sh_entsize = 8;
    }

  if (htab->plt != NULL && htab->plt->size != 0)
    {
      /* Set .plt entry size.  */
      elf_section_data (htab->plt->output_section)->this_hdr.sh_entsize
       = PLT_ENTRY_SIZE;
    }

  /* brlt is SEC_LINKER_CREATED, so we need to write out relocs for
     brlt ourselves if emitrelocations.  */
  if (htab->brlt != NULL
      && htab->brlt->reloc_count != 0
      && !_bfd_elf_link_output_relocs (output_bfd,
                                   htab->brlt,
                                   &elf_section_data (htab->brlt)->rel_hdr,
                                   elf_section_data (htab->brlt)->relocs,
                                   NULL))
    return FALSE;

  /* We need to handle writing out multiple GOT sections ourselves,
     since we didn't add them to DYNOBJ.  We know dynobj is the first
     bfd.  */
  while ((dynobj = dynobj->link_next) != NULL)
    {
      asection *s;

      if (!is_ppc64_elf_target (dynobj->xvec))
       continue;

      s = ppc64_elf_tdata (dynobj)->got;
      if (s != NULL
         && s->size != 0
         && s->output_section != bfd_abs_section_ptr
         && !bfd_set_section_contents (output_bfd, s->output_section,
                                   s->contents, s->output_offset,
                                   s->size))
       return FALSE;
      s = ppc64_elf_tdata (dynobj)->relgot;
      if (s != NULL
         && s->size != 0
         && s->output_section != bfd_abs_section_ptr
         && !bfd_set_section_contents (output_bfd, s->output_section,
                                   s->contents, s->output_offset,
                                   s->size))
       return FALSE;
    }

  return TRUE;
}

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static bfd_boolean ppc64_elf_finish_dynamic_symbol ( bfd output_bfd,
struct bfd_link_info info,
struct elf_link_hash_entry h,
Elf_Internal_Sym *  sym 
) [static]

Definition at line 11267 of file elf64-ppc.c.

{
  struct ppc_link_hash_table *htab;
  struct plt_entry *ent;
  Elf_Internal_Rela rela;
  bfd_byte *loc;

  htab = ppc_hash_table (info);

  for (ent = h->plt.plist; ent != NULL; ent = ent->next)
    if (ent->plt.offset != (bfd_vma) -1)
      {
       /* This symbol has an entry in the procedure linkage
          table.  Set it up.  */

       if (htab->plt == NULL
           || htab->relplt == NULL
           || htab->glink == NULL)
         abort ();

       /* Create a JMP_SLOT reloc to inform the dynamic linker to
          fill in the PLT entry.  */
       rela.r_offset = (htab->plt->output_section->vma
                      + htab->plt->output_offset
                      + ent->plt.offset);
       rela.r_info = ELF64_R_INFO (h->dynindx, R_PPC64_JMP_SLOT);
       rela.r_addend = ent->addend;

       loc = htab->relplt->contents;
       loc += ((ent->plt.offset - PLT_INITIAL_ENTRY_SIZE) / PLT_ENTRY_SIZE
              * sizeof (Elf64_External_Rela));
       bfd_elf64_swap_reloca_out (output_bfd, &rela, loc);
      }

  if (h->needs_copy)
    {
      Elf_Internal_Rela rela;
      bfd_byte *loc;

      /* This symbol needs a copy reloc.  Set it up.  */

      if (h->dynindx == -1
         || (h->root.type != bfd_link_hash_defined
             && h->root.type != bfd_link_hash_defweak)
         || htab->relbss == NULL)
       abort ();

      rela.r_offset = (h->root.u.def.value
                     + h->root.u.def.section->output_section->vma
                     + h->root.u.def.section->output_offset);
      rela.r_info = ELF64_R_INFO (h->dynindx, R_PPC64_COPY);
      rela.r_addend = 0;
      loc = htab->relbss->contents;
      loc += htab->relbss->reloc_count++ * sizeof (Elf64_External_Rela);
      bfd_elf64_swap_reloca_out (output_bfd, &rela, loc);
    }

  /* Mark some specially defined symbols as absolute.  */
  if (strcmp (h->root.root.string, "_DYNAMIC") == 0)
    sym->st_shndx = SHN_ABS;

  return TRUE;
}

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static bfd_boolean ppc64_elf_func_desc_adjust ( bfd *obfd  ATTRIBUTE_UNUSED,
struct bfd_link_info info 
) [static]

Definition at line 5750 of file elf64-ppc.c.

{
  struct ppc_link_hash_table *htab;
  unsigned int i;
  const struct sfpr_def_parms funcs[] =
    {
      { "_savegpr0_", 14, 31, savegpr0, savegpr0_tail },
      { "_restgpr0_", 14, 29, restgpr0, restgpr0_tail },
      { "_restgpr0_", 30, 31, restgpr0, restgpr0_tail },
      { "_savegpr1_", 14, 31, savegpr1, savegpr1_tail },
      { "_restgpr1_", 14, 31, restgpr1, restgpr1_tail },
      { "_savefpr_", 14, 31, savefpr, savefpr0_tail },
      { "_restfpr_", 14, 29, restfpr, restfpr0_tail },
      { "_restfpr_", 30, 31, restfpr, restfpr0_tail },
      { "._savef", 14, 31, savefpr, savefpr1_tail },
      { "._restf", 14, 31, restfpr, restfpr1_tail },
      { "_savevr_", 20, 31, savevr, savevr_tail },
      { "_restvr_", 20, 31, restvr, restvr_tail }
    };

  htab = ppc_hash_table (info);
  if (htab->sfpr == NULL)
    /* We don't have any relocs.  */
    return TRUE;

  /* Provide any missing _save* and _rest* functions.  */
  htab->sfpr->size = 0;
  for (i = 0; i < sizeof (funcs) / sizeof (funcs[0]); i++)
    if (!sfpr_define (info, &funcs[i]))
      return FALSE;

  elf_link_hash_traverse (&htab->elf, func_desc_adjust, info);

  if (htab->sfpr->size == 0)
    htab->sfpr->flags |= SEC_EXCLUDE;

  return TRUE;
}

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static bfd_boolean ppc64_elf_gc_mark_dynamic_ref ( struct elf_link_hash_entry h,
void *  inf 
) [static]

Definition at line 5062 of file elf64-ppc.c.

{
  struct bfd_link_info *info = (struct bfd_link_info *) inf;
  struct ppc_link_hash_entry *eh = (struct ppc_link_hash_entry *) h;

  if (eh->elf.root.type == bfd_link_hash_warning)
    eh = (struct ppc_link_hash_entry *) eh->elf.root.u.i.link;

  /* Dynamic linking info is on the func descriptor sym.  */
  if (eh->oh != NULL
      && eh->oh->is_func_descriptor
      && (eh->oh->elf.root.type == bfd_link_hash_defined
         || eh->oh->elf.root.type == bfd_link_hash_defweak))
    eh = eh->oh;

  if ((eh->elf.root.type == bfd_link_hash_defined
       || eh->elf.root.type == bfd_link_hash_defweak)
      && (eh->elf.ref_dynamic
         || (!info->executable
             && eh->elf.def_regular
             && ELF_ST_VISIBILITY (eh->elf.other) != STV_INTERNAL
             && ELF_ST_VISIBILITY (eh->elf.other) != STV_HIDDEN)))
    {
      asection *code_sec;

      eh->elf.root.u.def.section->flags |= SEC_KEEP;

      /* Function descriptor syms cause the associated
        function code sym section to be marked.  */
      if (eh->is_func_descriptor
         && (eh->oh->elf.root.type == bfd_link_hash_defined
             || eh->oh->elf.root.type == bfd_link_hash_defweak))
       eh->oh->elf.root.u.def.section->flags |= SEC_KEEP;
      else if (get_opd_info (eh->elf.root.u.def.section) != NULL
              && opd_entry_value (eh->elf.root.u.def.section,
                               eh->elf.root.u.def.value,
                               &code_sec, NULL) != (bfd_vma) -1)
       code_sec->flags |= SEC_KEEP;
    }

  return TRUE;
}

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static asection* ppc64_elf_gc_mark_hook ( asection sec,
struct bfd_link_info info,
Elf_Internal_Rela rel,
struct elf_link_hash_entry h,
Elf_Internal_Sym *  sym 
) [static]

Definition at line 5109 of file elf64-ppc.c.

{
  asection *rsec;

  /* First mark all our entry sym sections.  */
  if (info->gc_sym_list != NULL)
    {
      struct ppc_link_hash_table *htab = ppc_hash_table (info);
      struct bfd_sym_chain *sym = info->gc_sym_list;

      info->gc_sym_list = NULL;
      for (; sym != NULL; sym = sym->next)
       {
         struct ppc_link_hash_entry *eh;

         eh = (struct ppc_link_hash_entry *)
           elf_link_hash_lookup (&htab->elf, sym->name, FALSE, FALSE, FALSE);
         if (eh == NULL)
           continue;
         if (eh->elf.root.type != bfd_link_hash_defined
             && eh->elf.root.type != bfd_link_hash_defweak)
           continue;

         if (eh->is_func_descriptor
             && (eh->oh->elf.root.type == bfd_link_hash_defined
                || eh->oh->elf.root.type == bfd_link_hash_defweak))
           rsec = eh->oh->elf.root.u.def.section;
         else if (get_opd_info (eh->elf.root.u.def.section) != NULL
                 && opd_entry_value (eh->elf.root.u.def.section,
                                   eh->elf.root.u.def.value,
                                   &rsec, NULL) != (bfd_vma) -1)
           ;
         else
           continue;

         if (!rsec->gc_mark)
           _bfd_elf_gc_mark (info, rsec, ppc64_elf_gc_mark_hook);

         rsec = eh->elf.root.u.def.section;
         if (!rsec->gc_mark)
           _bfd_elf_gc_mark (info, rsec, ppc64_elf_gc_mark_hook);
       }
    }

  /* Syms return NULL if we're marking .opd, so we avoid marking all
     function sections, as all functions are referenced in .opd.  */
  rsec = NULL;
  if (get_opd_info (sec) != NULL)
    return rsec;

  if (h != NULL)
    {
      enum elf_ppc64_reloc_type r_type;
      struct ppc_link_hash_entry *eh;

      r_type = ELF64_R_TYPE (rel->r_info);
      switch (r_type)
       {
       case R_PPC64_GNU_VTINHERIT:
       case R_PPC64_GNU_VTENTRY:
         break;

       default:
         switch (h->root.type)
           {
           case bfd_link_hash_defined:
           case bfd_link_hash_defweak:
             eh = (struct ppc_link_hash_entry *) h;
             if (eh->oh != NULL
                && eh->oh->is_func_descriptor
                && (eh->oh->elf.root.type == bfd_link_hash_defined
                    || eh->oh->elf.root.type == bfd_link_hash_defweak))
              eh = eh->oh;

             /* Function descriptor syms cause the associated
               function code sym section to be marked.  */
             if (eh->is_func_descriptor
                && (eh->oh->elf.root.type == bfd_link_hash_defined
                    || eh->oh->elf.root.type == bfd_link_hash_defweak))
              {
                /* They also mark their opd section.  */
                if (!eh->elf.root.u.def.section->gc_mark)
                  _bfd_elf_gc_mark (info, eh->elf.root.u.def.section,
                                  ppc64_elf_gc_mark_hook);

                rsec = eh->oh->elf.root.u.def.section;
              }
             else if (get_opd_info (eh->elf.root.u.def.section) != NULL
                     && opd_entry_value (eh->elf.root.u.def.section,
                                      eh->elf.root.u.def.value,
                                      &rsec, NULL) != (bfd_vma) -1)
              {
                if (!eh->elf.root.u.def.section->gc_mark)
                  _bfd_elf_gc_mark (info, eh->elf.root.u.def.section,
                                  ppc64_elf_gc_mark_hook);
              }
             else
              rsec = h->root.u.def.section;
             break;

           case bfd_link_hash_common:
             rsec = h->root.u.c.p->section;
             break;

           default:
             break;
           }
       }
    }
  else
    {
      asection **opd_sym_section;

      rsec = bfd_section_from_elf_index (sec->owner, sym->st_shndx);
      opd_sym_section = get_opd_info (rsec);
      if (opd_sym_section != NULL)
       {
         if (!rsec->gc_mark)
           _bfd_elf_gc_mark (info, rsec, ppc64_elf_gc_mark_hook);

         rsec = opd_sym_section[(sym->st_value + rel->r_addend) / 8];
       }
    }

  return rsec;
}

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static bfd_boolean ppc64_elf_gc_sweep_hook ( bfd abfd,
struct bfd_link_info info,
asection sec,
const Elf_Internal_Rela relocs 
) [static]

Definition at line 5244 of file elf64-ppc.c.

{
  struct ppc_link_hash_table *htab;
  Elf_Internal_Shdr *symtab_hdr;
  struct elf_link_hash_entry **sym_hashes;
  struct got_entry **local_got_ents;
  const Elf_Internal_Rela *rel, *relend;

  if ((sec->flags & SEC_ALLOC) == 0)
    return TRUE;

  elf_section_data (sec)->local_dynrel = NULL;

  htab = ppc_hash_table (info);
  symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
  sym_hashes = elf_sym_hashes (abfd);
  local_got_ents = elf_local_got_ents (abfd);

  relend = relocs + sec->reloc_count;
  for (rel = relocs; rel < relend; rel++)
    {
      unsigned long r_symndx;
      enum elf_ppc64_reloc_type r_type;
      struct elf_link_hash_entry *h = NULL;
      char tls_type = 0;

      r_symndx = ELF64_R_SYM (rel->r_info);
      r_type = ELF64_R_TYPE (rel->r_info);
      if (r_symndx >= symtab_hdr->sh_info)
       {
         struct ppc_link_hash_entry *eh;
         struct ppc_dyn_relocs **pp;
         struct ppc_dyn_relocs *p;

         h = sym_hashes[r_symndx - symtab_hdr->sh_info];
         while (h->root.type == bfd_link_hash_indirect
               || h->root.type == bfd_link_hash_warning)
           h = (struct elf_link_hash_entry *) h->root.u.i.link;
         eh = (struct ppc_link_hash_entry *) h;

         for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
           if (p->sec == sec)
             {
              /* Everything must go for SEC.  */
              *pp = p->next;
              break;
             }
       }

      switch (r_type)
       {
       case R_PPC64_GOT_TLSLD16:
       case R_PPC64_GOT_TLSLD16_LO:
       case R_PPC64_GOT_TLSLD16_HI:
       case R_PPC64_GOT_TLSLD16_HA:
         ppc64_tlsld_got (abfd)->refcount -= 1;
         tls_type = TLS_TLS | TLS_LD;
         goto dogot;

       case R_PPC64_GOT_TLSGD16:
       case R_PPC64_GOT_TLSGD16_LO:
       case R_PPC64_GOT_TLSGD16_HI:
       case R_PPC64_GOT_TLSGD16_HA:
         tls_type = TLS_TLS | TLS_GD;
         goto dogot;

       case R_PPC64_GOT_TPREL16_DS:
       case R_PPC64_GOT_TPREL16_LO_DS:
       case R_PPC64_GOT_TPREL16_HI:
       case R_PPC64_GOT_TPREL16_HA:
         tls_type = TLS_TLS | TLS_TPREL;
         goto dogot;

       case R_PPC64_GOT_DTPREL16_DS:
       case R_PPC64_GOT_DTPREL16_LO_DS:
       case R_PPC64_GOT_DTPREL16_HI:
       case R_PPC64_GOT_DTPREL16_HA:
         tls_type = TLS_TLS | TLS_DTPREL;
         goto dogot;

       case R_PPC64_GOT16:
       case R_PPC64_GOT16_DS:
       case R_PPC64_GOT16_HA:
       case R_PPC64_GOT16_HI:
       case R_PPC64_GOT16_LO:
       case R_PPC64_GOT16_LO_DS:
       dogot:
         {
           struct got_entry *ent;

           if (h != NULL)
             ent = h->got.glist;
           else
             ent = local_got_ents[r_symndx];

           for (; ent != NULL; ent = ent->next)
             if (ent->addend == rel->r_addend
                && ent->owner == abfd
                && ent->tls_type == tls_type)
              break;
           if (ent == NULL)
             abort ();
           if (ent->got.refcount > 0)
             ent->got.refcount -= 1;
         }
         break;

       case R_PPC64_PLT16_HA:
       case R_PPC64_PLT16_HI:
       case R_PPC64_PLT16_LO:
       case R_PPC64_PLT32:
       case R_PPC64_PLT64:
       case R_PPC64_REL14:
       case R_PPC64_REL14_BRNTAKEN:
       case R_PPC64_REL14_BRTAKEN:
       case R_PPC64_REL24:
         if (h != NULL)
           {
             struct plt_entry *ent;

             for (ent = h->plt.plist; ent != NULL; ent = ent->next)
              if (ent->addend == rel->r_addend)
                break;
             if (ent == NULL)
              abort ();
             if (ent->plt.refcount > 0)
              ent->plt.refcount -= 1;
           }
         break;

       default:
         break;
       }
    }
  return TRUE;
}

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static long ppc64_elf_get_synthetic_symtab ( bfd abfd,
long  static_count,
asymbol **  static_syms,
long  dyn_count,
asymbol **  dyn_syms,
asymbol **  ret 
) [static]

Definition at line 2781 of file elf64-ppc.c.

{
  asymbol *s;
  long i;
  long count;
  char *names;
  long symcount, codesecsym, codesecsymend, secsymend, opdsymend;
  asection *opd;
  bfd_boolean relocatable = (abfd->flags & (EXEC_P | DYNAMIC)) == 0;
  asymbol **syms;

  *ret = NULL;

  opd = bfd_get_section_by_name (abfd, ".opd");
  if (opd == NULL)
    return 0;

  symcount = static_count;
  if (!relocatable)
    symcount += dyn_count;
  if (symcount == 0)
    return 0;

  syms = bfd_malloc ((symcount + 1) * sizeof (*syms));
  if (syms == NULL)
    return -1;

  if (!relocatable && static_count != 0 && dyn_count != 0)
    {
      /* Use both symbol tables.  */
      memcpy (syms, static_syms, static_count * sizeof (*syms));
      memcpy (syms + static_count, dyn_syms, (dyn_count + 1) * sizeof (*syms));
    }
  else if (!relocatable && static_count == 0)
    memcpy (syms, dyn_syms, (symcount + 1) * sizeof (*syms));
  else
    memcpy (syms, static_syms, (symcount + 1) * sizeof (*syms));

  synthetic_opd = opd;
  synthetic_relocatable = relocatable;
  qsort (syms, symcount, sizeof (*syms), compare_symbols);

  if (!relocatable && symcount > 1)
    {
      long j;
      /* Trim duplicate syms, since we may have merged the normal and
        dynamic symbols.  Actually, we only care about syms that have
        different values, so trim any with the same value.  */
      for (i = 1, j = 1; i < symcount; ++i)
       if (syms[i - 1]->value + syms[i - 1]->section->vma
           != syms[i]->value + syms[i]->section->vma)
         syms[j++] = syms[i];
      symcount = j;
    }

  i = 0;
  if (syms[i]->section == opd)
    ++i;
  codesecsym = i;

  for (; i < symcount; ++i)
    if (((syms[i]->section->flags & (SEC_CODE | SEC_ALLOC | SEC_THREAD_LOCAL))
        != (SEC_CODE | SEC_ALLOC))
       || (syms[i]->flags & BSF_SECTION_SYM) == 0)
      break;
  codesecsymend = i;

  for (; i < symcount; ++i)
    if ((syms[i]->flags & BSF_SECTION_SYM) == 0)
      break;
  secsymend = i;

  for (; i < symcount; ++i)
    if (syms[i]->section != opd)
      break;
  opdsymend = i;

  for (; i < symcount; ++i)
    if ((syms[i]->section->flags & (SEC_CODE | SEC_ALLOC | SEC_THREAD_LOCAL))
       != (SEC_CODE | SEC_ALLOC))
      break;
  symcount = i;

  count = 0;
  if (opdsymend == secsymend)
    goto done;

  if (relocatable)
    {
      bfd_boolean (*slurp_relocs) (bfd *, asection *, asymbol **, bfd_boolean);
      arelent *r;
      size_t size;
      long relcount;

      slurp_relocs = get_elf_backend_data (abfd)->s->slurp_reloc_table;
      relcount = (opd->flags & SEC_RELOC) ? opd->reloc_count : 0;
      if (relcount == 0)
       goto done;

      if (!(*slurp_relocs) (abfd, opd, static_syms, FALSE))
       {
         count = -1;
         goto done;
       }

      size = 0;
      for (i = secsymend, r = opd->relocation; i < opdsymend; ++i)
       {
         asymbol *sym;

         while (r < opd->relocation + relcount
               && r->address < syms[i]->value + opd->vma)
           ++r;

         if (r == opd->relocation + relcount)
           break;

         if (r->address != syms[i]->value + opd->vma)
           continue;

         if (r->howto->type != R_PPC64_ADDR64)
           continue;

         sym = *r->sym_ptr_ptr;
         if (!sym_exists_at (syms, opdsymend, symcount,
                           sym->section->id, sym->value + r->addend))
           {
             ++count;
             size += sizeof (asymbol);
             size += strlen (syms[i]->name) + 2;
           }
       }

      s = *ret = bfd_malloc (size);
      if (s == NULL)
       {
         count = -1;
         goto done;
       }

      names = (char *) (s + count);

      for (i = secsymend, r = opd->relocation; i < opdsymend; ++i)
       {
         asymbol *sym;

         while (r < opd->relocation + relcount
               && r->address < syms[i]->value + opd->vma)
           ++r;

         if (r == opd->relocation + relcount)
           break;

         if (r->address != syms[i]->value + opd->vma)
           continue;

         if (r->howto->type != R_PPC64_ADDR64)
           continue;

         sym = *r->sym_ptr_ptr;
         if (!sym_exists_at (syms, opdsymend, symcount,
                           sym->section->id, sym->value + r->addend))
           {
             size_t len;

             *s = *syms[i];
             s->section = sym->section;
             s->value = sym->value + r->addend;
             s->name = names;
             *names++ = '.';
             len = strlen (syms[i]->name);
             memcpy (names, syms[i]->name, len + 1);
             names += len + 1;
             s++;
           }
       }
    }
  else
    {
      bfd_byte *contents;
      size_t size;

      if (!bfd_malloc_and_get_section (abfd, opd, &contents))
       {
         if (contents)
           {
           free_contents_and_exit:
             free (contents);
           }
         count = -1;
         goto done;
       }

      size = 0;
      for (i = secsymend; i < opdsymend; ++i)
       {
         bfd_vma ent;

         ent = bfd_get_64 (abfd, contents + syms[i]->value);
         if (!sym_exists_at (syms, opdsymend, symcount, -1, ent))
           {
             ++count;
             size += sizeof (asymbol);
             size += strlen (syms[i]->name) + 2;
           }
       }

      s = *ret = bfd_malloc (size);
      if (s == NULL)
       goto free_contents_and_exit;

      names = (char *) (s + count);

      for (i = secsymend; i < opdsymend; ++i)
       {
         bfd_vma ent;

         ent = bfd_get_64 (abfd, contents + syms[i]->value);
         if (!sym_exists_at (syms, opdsymend, symcount, -1, ent))
           {
             long lo, hi;
             size_t len;
             asection *sec = abfd->sections;

             *s = *syms[i];
             lo = codesecsym;
             hi = codesecsymend;
             while (lo < hi)
              {
                long mid = (lo + hi) >> 1;
                if (syms[mid]->section->vma < ent)
                  lo = mid + 1;
                else if (syms[mid]->section->vma > ent)
                  hi = mid;
                else
                  {
                    sec = syms[mid]->section;
                    break;
                  }
              }

             if (lo >= hi && lo > codesecsym)
              sec = syms[lo - 1]->section;

             for (; sec != NULL; sec = sec->next)
              {
                if (sec->vma > ent)
                  break;
                if ((sec->flags & SEC_ALLOC) == 0
                    || (sec->flags & SEC_LOAD) == 0)
                  break;
                if ((sec->flags & SEC_CODE) != 0)
                  s->section = sec;
              }
             s->value = ent - s->section->vma;
             s->name = names;
             *names++ = '.';
             len = strlen (syms[i]->name);
             memcpy (names, syms[i]->name, len + 1);
             names += len + 1;
             s++;
           }
       }
      free (contents);
    }

 done:
  free (syms);
  return count;
}

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static bfd_boolean ppc64_elf_grok_prstatus ( bfd abfd,
Elf_Internal_Note note 
) [static]

Definition at line 2471 of file elf64-ppc.c.

{
  size_t offset, size;

  if (note->descsz != 504)
    return FALSE;

  /* pr_cursig */
  elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12);

  /* pr_pid */
  elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, note->descdata + 32);

  /* pr_reg */
  offset = 112;
  size = 384;

  /* Make a ".reg/999" section.  */
  return _bfd_elfcore_make_pseudosection (abfd, ".reg",
                                     size, note->descpos + offset);
}

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static bfd_boolean ppc64_elf_grok_psinfo ( bfd abfd,
Elf_Internal_Note note 
) [static]

Definition at line 2494 of file elf64-ppc.c.

{
  if (note->descsz != 136)
    return FALSE;

  elf_tdata (abfd)->core_program
    = _bfd_elfcore_strndup (abfd, note->descdata + 40, 16);
  elf_tdata (abfd)->core_command
    = _bfd_elfcore_strndup (abfd, note->descdata + 56, 80);

  return TRUE;
}

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static bfd_reloc_status_type ppc64_elf_ha_reloc ( bfd abfd,
arelent reloc_entry,
asymbol symbol,
void *  data,
asection input_section,
bfd output_bfd,
char **  error_message 
) [static]

Definition at line 2157 of file elf64-ppc.c.

{
  /* If this is a relocatable link (output_bfd test tells us), just
     call the generic function.  Any adjustment will be done at final
     link time.  */
  if (output_bfd != NULL)
    return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
                              input_section, output_bfd, error_message);

  /* Adjust the addend for sign extension of the low 16 bits.
     We won't actually be using the low 16 bits, so trashing them
     doesn't matter.  */
  reloc_entry->addend += 0x8000;
  return bfd_reloc_continue;
}

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static void ppc64_elf_hide_symbol ( struct bfd_link_info info,
struct elf_link_hash_entry h,
bfd_boolean  force_local 
) [static]

Definition at line 5947 of file elf64-ppc.c.

{
  struct ppc_link_hash_entry *eh;
  _bfd_elf_link_hash_hide_symbol (info, h, force_local);

  eh = (struct ppc_link_hash_entry *) h;
  if (eh->is_func_descriptor)
    {
      struct ppc_link_hash_entry *fh = eh->oh;

      if (fh == NULL)
       {
         const char *p, *q;
         struct ppc_link_hash_table *htab;
         char save;

         /* We aren't supposed to use alloca in BFD because on
            systems which do not have alloca the version in libiberty
            calls xmalloc, which might cause the program to crash
            when it runs out of memory.  This function doesn't have a
            return status, so there's no way to gracefully return an
            error.  So cheat.  We know that string[-1] can be safely
            accessed;  It's either a string in an ELF string table,
            or allocated in an objalloc structure.  */

         p = eh->elf.root.root.string - 1;
         save = *p;
         *(char *) p = '.';
         htab = ppc_hash_table (info);
         fh = (struct ppc_link_hash_entry *)
           elf_link_hash_lookup (&htab->elf, p, FALSE, FALSE, FALSE);
         *(char *) p = save;

         /* Unfortunately, if it so happens that the string we were
            looking for was allocated immediately before this string,
            then we overwrote the string terminator.  That's the only
            reason the lookup should fail.  */
         if (fh == NULL)
           {
             q = eh->elf.root.root.string + strlen (eh->elf.root.root.string);
             while (q >= eh->elf.root.root.string && *q == *p)
              --q, --p;
             if (q < eh->elf.root.root.string && *p == '.')
              fh = (struct ppc_link_hash_entry *)
                elf_link_hash_lookup (&htab->elf, p, FALSE, FALSE, FALSE);
           }
         if (fh != NULL)
           {
             eh->oh = fh;
             fh->oh = eh;
           }
       }
      if (fh != NULL)
       _bfd_elf_link_hash_hide_symbol (info, &fh->elf, force_local);
    }
}

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static void ppc64_elf_info_to_howto ( bfd *abfd  ATTRIBUTE_UNUSED,
arelent cache_ptr,
Elf_Internal_Rela dst 
) [static]

Definition at line 2134 of file elf64-ppc.c.

{
  unsigned int type;

  /* Initialize howto table if needed.  */
  if (!ppc64_elf_howto_table[R_PPC64_ADDR32])
    ppc_howto_init ();

  type = ELF64_R_TYPE (dst->r_info);
  if (type >= (sizeof (ppc64_elf_howto_table)
              / sizeof (ppc64_elf_howto_table[0])))
    {
      (*_bfd_error_handler) (_("%B: invalid relocation type %d"),
                          abfd, (int) type);
      type = R_PPC64_NONE;
    }
  cache_ptr->howto = ppc64_elf_howto_table[type];
}

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void ppc64_elf_init_stub_bfd ( bfd abfd,
struct bfd_link_info info 
)

Definition at line 3652 of file elf64-ppc.c.

{
  struct ppc_link_hash_table *htab;

  elf_elfheader (abfd)->e_ident[EI_CLASS] = ELFCLASS64;

/* Always hook our dynamic sections into the first bfd, which is the
   linker created stub bfd.  This ensures that the GOT header is at
   the start of the output TOC section.  */
  htab = ppc_hash_table (info);
  htab->stub_bfd = abfd;
  htab->elf.dynobj = abfd;
}
static struct bfd_link_hash_table* ppc64_elf_link_hash_table_create ( bfd abfd) [static, read]

Definition at line 3595 of file elf64-ppc.c.

{
  struct ppc_link_hash_table *htab;
  bfd_size_type amt = sizeof (struct ppc_link_hash_table);

  htab = bfd_zmalloc (amt);
  if (htab == NULL)
    return NULL;

  if (!_bfd_elf_link_hash_table_init (&htab->elf, abfd, link_hash_newfunc,
                                  sizeof (struct ppc_link_hash_entry)))
    {
      free (htab);
      return NULL;
    }

  /* Init the stub hash table too.  */
  if (!bfd_hash_table_init (&htab->stub_hash_table, stub_hash_newfunc,
                         sizeof (struct ppc_stub_hash_entry)))
    return NULL;

  /* And the branch hash table.  */
  if (!bfd_hash_table_init (&htab->branch_hash_table, branch_hash_newfunc,
                         sizeof (struct ppc_branch_hash_entry)))
    return NULL;

  /* Initializing two fields of the union is just cosmetic.  We really
     only care about glist, but when compiled on a 32-bit host the
     bfd_vma fields are larger.  Setting the bfd_vma to zero makes
     debugger inspection of these fields look nicer.  */
  htab->elf.init_got_refcount.refcount = 0;
  htab->elf.init_got_refcount.glist = NULL;
  htab->elf.init_plt_refcount.refcount = 0;
  htab->elf.init_plt_refcount.glist = NULL;
  htab->elf.init_got_offset.offset = 0;
  htab->elf.init_got_offset.glist = NULL;
  htab->elf.init_plt_offset.offset = 0;
  htab->elf.init_plt_offset.glist = NULL;

  return &htab->elf.root;
}

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static void ppc64_elf_link_hash_table_free ( struct bfd_link_hash_table hash) [static]

Definition at line 3640 of file elf64-ppc.c.

{
  struct ppc_link_hash_table *ret = (struct ppc_link_hash_table *) hash;

  bfd_hash_table_free (&ret->stub_hash_table);
  bfd_hash_table_free (&ret->branch_hash_table);
  _bfd_generic_link_hash_table_free (hash);
}

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static bfd_boolean ppc64_elf_merge_private_bfd_data ( bfd ibfd,
bfd obfd 
) [static]

Definition at line 2558 of file elf64-ppc.c.

{
  /* Check if we have the same endianess.  */
  if (ibfd->xvec->byteorder != obfd->xvec->byteorder
      && ibfd->xvec->byteorder != BFD_ENDIAN_UNKNOWN
      && obfd->xvec->byteorder != BFD_ENDIAN_UNKNOWN)
    {
      const char *msg;

      if (bfd_big_endian (ibfd))
       msg = _("%B: compiled for a big endian system "
              "and target is little endian");
      else
       msg = _("%B: compiled for a little endian system "
              "and target is big endian");

      (*_bfd_error_handler) (msg, ibfd);

      bfd_set_error (bfd_error_wrong_format);
      return FALSE;
    }

  return TRUE;
}

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static bfd_boolean ppc64_elf_mkobject ( bfd abfd) [static]

Definition at line 2425 of file elf64-ppc.c.

{
  if (abfd->tdata.any == NULL)
    {
      bfd_size_type amt = sizeof (struct ppc64_elf_obj_tdata);
      abfd->tdata.any = bfd_zalloc (abfd, amt);
      if (abfd->tdata.any == NULL)
       return FALSE;
    }
  return bfd_elf_mkobject (abfd);
}

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static bfd_boolean ppc64_elf_new_section_hook ( bfd abfd,
asection sec 
) [static]

Definition at line 2630 of file elf64-ppc.c.

{
  if (!sec->used_by_bfd)
    {
      struct _ppc64_elf_section_data *sdata;
      bfd_size_type amt = sizeof (*sdata);

      sdata = bfd_zalloc (abfd, amt);
      if (sdata == NULL)
       return FALSE;
      sec->used_by_bfd = sdata;
    }

  return _bfd_elf_new_section_hook (abfd, sec);
}

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Definition at line 8991 of file elf64-ppc.c.

{
  struct ppc_link_hash_table *htab = ppc_hash_table (info);

  if ((isec->output_section->flags & SEC_CODE) != 0
      && isec->output_section->index <= htab->top_index)
    {
      asection **list = htab->input_list + isec->output_section->index;
      /* Steal the link_sec pointer for our list.  */
#define PREV_SEC(sec) (htab->stub_group[(sec)->id].link_sec)
      /* This happens to make the list in reverse order,
        which is what we want.  */
      PREV_SEC (isec) = *list;
      *list = isec;
    }

  if (htab->multi_toc_needed)
    {
      /* If a code section has a function that uses the TOC then we need
        to use the right TOC (obviously).  Also, make sure that .opd gets
        the correct TOC value for R_PPC64_TOC relocs that don't have or
        can't find their function symbol (shouldn't ever happen now).  */
      if (isec->has_toc_reloc || (isec->flags & SEC_CODE) == 0)
       {
         if (elf_gp (isec->owner) != 0)
           htab->toc_curr = elf_gp (isec->owner);
       }
      else if (htab->stub_group[isec->id].toc_off == 0)
       {
         int ret = toc_adjusting_stub_needed (info, isec);
         if (ret < 0)
           return FALSE;
         else
           isec->makes_toc_func_call = ret & 1;
       }
    }

  /* Functions that don't use the TOC can belong in any TOC group.
     Use the last TOC base.  This happens to make _init and _fini
     pasting work.  */
  htab->stub_group[isec->id].toc_off = htab->toc_curr;
  return TRUE;
}

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Definition at line 8745 of file elf64-ppc.c.

{
  struct ppc_link_hash_table *htab = ppc_hash_table (info);

  if (!htab->no_multi_toc)
    {
      bfd_vma addr = isec->output_offset + isec->output_section->vma;
      bfd_vma off = addr - htab->toc_curr;

      if (off + isec->size > 0x10000)
       htab->toc_curr = addr;

      elf_gp (isec->owner) = (htab->toc_curr
                           - elf_gp (isec->output_section->owner)
                           + TOC_BASE_OFF);
    }
}
static bfd_boolean ppc64_elf_object_p ( bfd abfd) [static]

Definition at line 2452 of file elf64-ppc.c.

{
  if (abfd->arch_info->the_default && abfd->arch_info->bits_per_word == 32)
    {
      Elf_Internal_Ehdr *i_ehdr = elf_elfheader (abfd);

      if (i_ehdr->e_ident[EI_CLASS] == ELFCLASS64)
       {
         /* Relies on arch after 32 bit default being 64 bit default.  */
         abfd->arch_info = abfd->arch_info->next;
         BFD_ASSERT (abfd->arch_info->bits_per_word == 64);
       }
    }
  return TRUE;
}
static bfd_boolean ppc64_elf_output_symbol_hook ( struct bfd_link_info info,
const char *name  ATTRIBUTE_UNUSED,
Elf_Internal_Sym *  elfsym,
asection input_sec,
struct elf_link_hash_entry h 
) [static]

Definition at line 11235 of file elf64-ppc.c.

{
  long *opd_adjust, adjust;
  bfd_vma value;

  if (h != NULL)
    return TRUE;

  opd_adjust = get_opd_info (input_sec);
  if (opd_adjust == NULL)
    return TRUE;

  value = elfsym->st_value - input_sec->output_offset;
  if (!info->relocatable)
    value -= input_sec->output_section->vma;

  adjust = opd_adjust[value / 8];
  if (adjust == -1)
    elfsym->st_value = 0;
  else
    elfsym->st_value += adjust;
  return TRUE;
}

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void ppc64_elf_reinit_toc ( bfd output_bfd,
struct bfd_link_info info 
)

Definition at line 8766 of file elf64-ppc.c.

{
  struct ppc_link_hash_table *htab = ppc_hash_table (info);

  htab->multi_toc_needed = htab->toc_curr != elf_gp (output_bfd);

  /* toc_curr tracks the TOC offset used for code sections below in
     ppc64_elf_next_input_section.  Start off at 0x8000.  */
  htab->toc_curr = TOC_BASE_OFF;
}
static reloc_howto_type* ppc64_elf_reloc_name_lookup ( bfd *abfd  ATTRIBUTE_UNUSED,
const char *  r_name 
) [static]

Definition at line 2116 of file elf64-ppc.c.

{
  unsigned int i;

  for (i = 0;
       i < sizeof (ppc64_elf_howto_raw) / sizeof (ppc64_elf_howto_raw[0]);
       i++)
    if (ppc64_elf_howto_raw[i].name != NULL
       && strcasecmp (ppc64_elf_howto_raw[i].name, r_name) == 0)
      return &ppc64_elf_howto_raw[i];

  return NULL;
}

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Definition at line 11338 of file elf64-ppc.c.

{
  enum elf_ppc64_reloc_type r_type;

  r_type = ELF64_R_TYPE (rela->r_info);
  switch (r_type)
    {
    case R_PPC64_RELATIVE:
      return reloc_class_relative;
    case R_PPC64_JMP_SLOT:
      return reloc_class_plt;
    case R_PPC64_COPY:
      return reloc_class_copy;
    default:
      return reloc_class_normal;
    }
}
static reloc_howto_type* ppc64_elf_reloc_type_lookup ( bfd *abfd  ATTRIBUTE_UNUSED,
bfd_reloc_code_real_type  code 
) [static]

Definition at line 1894 of file elf64-ppc.c.

{
  enum elf_ppc64_reloc_type r = R_PPC64_NONE;

  if (!ppc64_elf_howto_table[R_PPC64_ADDR32])
    /* Initialize howto table if needed.  */
    ppc_howto_init ();

  switch (code)
    {
    default:
      return NULL;

    case BFD_RELOC_NONE:                  r = R_PPC64_NONE;
      break;
    case BFD_RELOC_32:                           r = R_PPC64_ADDR32;
      break;
    case BFD_RELOC_PPC_BA26:                     r = R_PPC64_ADDR24;
      break;
    case BFD_RELOC_16:                           r = R_PPC64_ADDR16;
      break;
    case BFD_RELOC_LO16:                  r = R_PPC64_ADDR16_LO;
      break;
    case BFD_RELOC_HI16:                  r = R_PPC64_ADDR16_HI;
      break;
    case BFD_RELOC_HI16_S:                r = R_PPC64_ADDR16_HA;
      break;
    case BFD_RELOC_PPC_BA16:                     r = R_PPC64_ADDR14;
      break;
    case BFD_RELOC_PPC_BA16_BRTAKEN:             r = R_PPC64_ADDR14_BRTAKEN;
      break;
    case BFD_RELOC_PPC_BA16_BRNTAKEN:            r = R_PPC64_ADDR14_BRNTAKEN;
      break;
    case BFD_RELOC_PPC_B26:               r = R_PPC64_REL24;
      break;
    case BFD_RELOC_PPC_B16:               r = R_PPC64_REL14;
      break;
    case BFD_RELOC_PPC_B16_BRTAKEN:              r = R_PPC64_REL14_BRTAKEN;
      break;
    case BFD_RELOC_PPC_B16_BRNTAKEN:             r = R_PPC64_REL14_BRNTAKEN;
      break;
    case BFD_RELOC_16_GOTOFF:                    r = R_PPC64_GOT16;
      break;
    case BFD_RELOC_LO16_GOTOFF:                  r = R_PPC64_GOT16_LO;
      break;
    case BFD_RELOC_HI16_GOTOFF:                  r = R_PPC64_GOT16_HI;
      break;
    case BFD_RELOC_HI16_S_GOTOFF:         r = R_PPC64_GOT16_HA;
      break;
    case BFD_RELOC_PPC_COPY:                     r = R_PPC64_COPY;
      break;
    case BFD_RELOC_PPC_GLOB_DAT:          r = R_PPC64_GLOB_DAT;
      break;
    case BFD_RELOC_32_PCREL:                     r = R_PPC64_REL32;
      break;
    case BFD_RELOC_32_PLTOFF:                    r = R_PPC64_PLT32;
      break;
    case BFD_RELOC_32_PLT_PCREL:          r = R_PPC64_PLTREL32;
      break;
    case BFD_RELOC_LO16_PLTOFF:                  r = R_PPC64_PLT16_LO;
      break;
    case BFD_RELOC_HI16_PLTOFF:                  r = R_PPC64_PLT16_HI;
      break;
    case BFD_RELOC_HI16_S_PLTOFF:         r = R_PPC64_PLT16_HA;
      break;
    case BFD_RELOC_16_BASEREL:                   r = R_PPC64_SECTOFF;
      break;
    case BFD_RELOC_LO16_BASEREL:          r = R_PPC64_SECTOFF_LO;
      break;
    case BFD_RELOC_HI16_BASEREL:          r = R_PPC64_SECTOFF_HI;
      break;
    case BFD_RELOC_HI16_S_BASEREL:        r = R_PPC64_SECTOFF_HA;
      break;
    case BFD_RELOC_CTOR:                  r = R_PPC64_ADDR64;
      break;
    case BFD_RELOC_64:                           r = R_PPC64_ADDR64;
      break;
    case BFD_RELOC_PPC64_HIGHER:          r = R_PPC64_ADDR16_HIGHER;
      break;
    case BFD_RELOC_PPC64_HIGHER_S:        r = R_PPC64_ADDR16_HIGHERA;
      break;
    case BFD_RELOC_PPC64_HIGHEST:         r = R_PPC64_ADDR16_HIGHEST;
      break;
    case BFD_RELOC_PPC64_HIGHEST_S:              r = R_PPC64_ADDR16_HIGHESTA;
      break;
    case BFD_RELOC_64_PCREL:                     r = R_PPC64_REL64;
      break;
    case BFD_RELOC_64_PLTOFF:                    r = R_PPC64_PLT64;
      break;
    case BFD_RELOC_64_PLT_PCREL:          r = R_PPC64_PLTREL64;
      break;
    case BFD_RELOC_PPC_TOC16:                    r = R_PPC64_TOC16;
      break;
    case BFD_RELOC_PPC64_TOC16_LO:        r = R_PPC64_TOC16_LO;
      break;
    case BFD_RELOC_PPC64_TOC16_HI:        r = R_PPC64_TOC16_HI;
      break;
    case BFD_RELOC_PPC64_TOC16_HA:        r = R_PPC64_TOC16_HA;
      break;
    case BFD_RELOC_PPC64_TOC:                    r = R_PPC64_TOC;
      break;
    case BFD_RELOC_PPC64_PLTGOT16:        r = R_PPC64_PLTGOT16;
      break;
    case BFD_RELOC_PPC64_PLTGOT16_LO:            r = R_PPC64_PLTGOT16_LO;
      break;
    case BFD_RELOC_PPC64_PLTGOT16_HI:            r = R_PPC64_PLTGOT16_HI;
      break;
    case BFD_RELOC_PPC64_PLTGOT16_HA:            r = R_PPC64_PLTGOT16_HA;
      break;
    case BFD_RELOC_PPC64_ADDR16_DS:              r = R_PPC64_ADDR16_DS;
      break;
    case BFD_RELOC_PPC64_ADDR16_LO_DS:           r = R_PPC64_ADDR16_LO_DS;
      break;
    case BFD_RELOC_PPC64_GOT16_DS:        r = R_PPC64_GOT16_DS;
      break;
    case BFD_RELOC_PPC64_GOT16_LO_DS:            r = R_PPC64_GOT16_LO_DS;
      break;
    case BFD_RELOC_PPC64_PLT16_LO_DS:            r = R_PPC64_PLT16_LO_DS;
      break;
    case BFD_RELOC_PPC64_SECTOFF_DS:             r = R_PPC64_SECTOFF_DS;
      break;
    case BFD_RELOC_PPC64_SECTOFF_LO_DS:          r = R_PPC64_SECTOFF_LO_DS;
      break;
    case BFD_RELOC_PPC64_TOC16_DS:        r = R_PPC64_TOC16_DS;
      break;
    case BFD_RELOC_PPC64_TOC16_LO_DS:            r = R_PPC64_TOC16_LO_DS;
      break;
    case BFD_RELOC_PPC64_PLTGOT16_DS:            r = R_PPC64_PLTGOT16_DS;
      break;
    case BFD_RELOC_PPC64_PLTGOT16_LO_DS:  r = R_PPC64_PLTGOT16_LO_DS;
      break;
    case BFD_RELOC_PPC_TLS:               r = R_PPC64_TLS;
      break;
    case BFD_RELOC_PPC_DTPMOD:                   r = R_PPC64_DTPMOD64;
      break;
    case BFD_RELOC_PPC_TPREL16:                  r = R_PPC64_TPREL16;
      break;
    case BFD_RELOC_PPC_TPREL16_LO:        r = R_PPC64_TPREL16_LO;
      break;
    case BFD_RELOC_PPC_TPREL16_HI:        r = R_PPC64_TPREL16_HI;
      break;
    case BFD_RELOC_PPC_TPREL16_HA:        r = R_PPC64_TPREL16_HA;
      break;
    case BFD_RELOC_PPC_TPREL:                    r = R_PPC64_TPREL64;
      break;
    case BFD_RELOC_PPC_DTPREL16:          r = R_PPC64_DTPREL16;
      break;
    case BFD_RELOC_PPC_DTPREL16_LO:              r = R_PPC64_DTPREL16_LO;
      break;
    case BFD_RELOC_PPC_DTPREL16_HI:              r = R_PPC64_DTPREL16_HI;
      break;
    case BFD_RELOC_PPC_DTPREL16_HA:              r = R_PPC64_DTPREL16_HA;
      break;
    case BFD_RELOC_PPC_DTPREL:                   r = R_PPC64_DTPREL64;
      break;
    case BFD_RELOC_PPC_GOT_TLSGD16:              r = R_PPC64_GOT_TLSGD16;
      break;
    case BFD_RELOC_PPC_GOT_TLSGD16_LO:           r = R_PPC64_GOT_TLSGD16_LO;
      break;
    case BFD_RELOC_PPC_GOT_TLSGD16_HI:           r = R_PPC64_GOT_TLSGD16_HI;
      break;
    case BFD_RELOC_PPC_GOT_TLSGD16_HA:           r = R_PPC64_GOT_TLSGD16_HA;
      break;
    case BFD_RELOC_PPC_GOT_TLSLD16:              r = R_PPC64_GOT_TLSLD16;
      break;
    case BFD_RELOC_PPC_GOT_TLSLD16_LO:           r = R_PPC64_GOT_TLSLD16_LO;
      break;
    case BFD_RELOC_PPC_GOT_TLSLD16_HI:           r = R_PPC64_GOT_TLSLD16_HI;
      break;
    case BFD_RELOC_PPC_GOT_TLSLD16_HA:           r = R_PPC64_GOT_TLSLD16_HA;
      break;
    case BFD_RELOC_PPC_GOT_TPREL16:              r = R_PPC64_GOT_TPREL16_DS;
      break;
    case BFD_RELOC_PPC_GOT_TPREL16_LO:           r = R_PPC64_GOT_TPREL16_LO_DS;
      break;
    case BFD_RELOC_PPC_GOT_TPREL16_HI:           r = R_PPC64_GOT_TPREL16_HI;
      break;
    case BFD_RELOC_PPC_GOT_TPREL16_HA:           r = R_PPC64_GOT_TPREL16_HA;
      break;
    case BFD_RELOC_PPC_GOT_DTPREL16:             r = R_PPC64_GOT_DTPREL16_DS;
      break;
    case BFD_RELOC_PPC_GOT_DTPREL16_LO:          r = R_PPC64_GOT_DTPREL16_LO_DS;
      break;
    case BFD_RELOC_PPC_GOT_DTPREL16_HI:          r = R_PPC64_GOT_DTPREL16_HI;
      break;
    case BFD_RELOC_PPC_GOT_DTPREL16_HA:          r = R_PPC64_GOT_DTPREL16_HA;
      break;
    case BFD_RELOC_PPC64_TPREL16_DS:             r = R_PPC64_TPREL16_DS;
      break;
    case BFD_RELOC_PPC64_TPREL16_LO_DS:          r = R_PPC64_TPREL16_LO_DS;
      break;
    case BFD_RELOC_PPC64_TPREL16_HIGHER:  r = R_PPC64_TPREL16_HIGHER;
      break;
    case BFD_RELOC_PPC64_TPREL16_HIGHERA: r = R_PPC64_TPREL16_HIGHERA;
      break;
    case BFD_RELOC_PPC64_TPREL16_HIGHEST: r = R_PPC64_TPREL16_HIGHEST;
      break;
    case BFD_RELOC_PPC64_TPREL16_HIGHESTA:       r = R_PPC64_TPREL16_HIGHESTA;
      break;
    case BFD_RELOC_PPC64_DTPREL16_DS:            r = R_PPC64_DTPREL16_DS;
      break;
    case BFD_RELOC_PPC64_DTPREL16_LO_DS:  r = R_PPC64_DTPREL16_LO_DS;
      break;
    case BFD_RELOC_PPC64_DTPREL16_HIGHER: r = R_PPC64_DTPREL16_HIGHER;
      break;
    case BFD_RELOC_PPC64_DTPREL16_HIGHERA:       r = R_PPC64_DTPREL16_HIGHERA;
      break;
    case BFD_RELOC_PPC64_DTPREL16_HIGHEST:       r = R_PPC64_DTPREL16_HIGHEST;
      break;
    case BFD_RELOC_PPC64_DTPREL16_HIGHESTA:      r = R_PPC64_DTPREL16_HIGHESTA;
      break;
    case BFD_RELOC_VTABLE_INHERIT:        r = R_PPC64_GNU_VTINHERIT;
      break;
    case BFD_RELOC_VTABLE_ENTRY:          r = R_PPC64_GNU_VTENTRY;
      break;
    }

  return ppc64_elf_howto_table[r];
};

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static bfd_boolean ppc64_elf_relocate_section ( bfd output_bfd,
struct bfd_link_info info,
bfd input_bfd,
asection input_section,
bfd_byte contents,
Elf_Internal_Rela relocs,
Elf_Internal_Sym *  local_syms,
asection **  local_sections 
) [static]

Definition at line 9803 of file elf64-ppc.c.

{
  struct ppc_link_hash_table *htab;
  Elf_Internal_Shdr *symtab_hdr;
  struct elf_link_hash_entry **sym_hashes;
  Elf_Internal_Rela *rel;
  Elf_Internal_Rela *relend;
  Elf_Internal_Rela outrel;
  bfd_byte *loc;
  struct got_entry **local_got_ents;
  bfd_vma TOCstart;
  bfd_boolean ret = TRUE;
  bfd_boolean is_opd;
  /* Disabled until we sort out how ld should choose 'y' vs 'at'.  */
  bfd_boolean is_power4 = FALSE;
  bfd_vma d_offset = (bfd_big_endian (output_bfd) ? 2 : 0);

  /* Initialize howto table if needed.  */
  if (!ppc64_elf_howto_table[R_PPC64_ADDR32])
    ppc_howto_init ();

  htab = ppc_hash_table (info);

  /* Don't relocate stub sections.  */
  if (input_section->owner == htab->stub_bfd)
    return TRUE;

  local_got_ents = elf_local_got_ents (input_bfd);
  TOCstart = elf_gp (output_bfd);
  symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
  sym_hashes = elf_sym_hashes (input_bfd);
  is_opd = ppc64_elf_section_data (input_section)->sec_type == sec_opd;

  rel = relocs;
  relend = relocs + input_section->reloc_count;
  for (; rel < relend; rel++)
    {
      enum elf_ppc64_reloc_type r_type;
      bfd_vma addend, orig_addend;
      bfd_reloc_status_type r;
      Elf_Internal_Sym *sym;
      asection *sec;
      struct elf_link_hash_entry *h_elf;
      struct ppc_link_hash_entry *h;
      struct ppc_link_hash_entry *fdh;
      const char *sym_name;
      unsigned long r_symndx, toc_symndx;
      char tls_mask, tls_gd, tls_type;
      char sym_type;
      bfd_vma relocation;
      bfd_boolean unresolved_reloc;
      bfd_boolean warned;
      unsigned long insn, mask;
      struct ppc_stub_hash_entry *stub_entry;
      bfd_vma max_br_offset;
      bfd_vma from;

      r_type = ELF64_R_TYPE (rel->r_info);
      r_symndx = ELF64_R_SYM (rel->r_info);

      /* For old style R_PPC64_TOC relocs with a zero symbol, use the
        symbol of the previous ADDR64 reloc.  The symbol gives us the
        proper TOC base to use.  */
      if (rel->r_info == ELF64_R_INFO (0, R_PPC64_TOC)
         && rel != relocs
         && ELF64_R_TYPE (rel[-1].r_info) == R_PPC64_ADDR64
         && is_opd)
       r_symndx = ELF64_R_SYM (rel[-1].r_info);

      sym = NULL;
      sec = NULL;
      h_elf = NULL;
      sym_name = NULL;
      unresolved_reloc = FALSE;
      warned = FALSE;
      orig_addend = rel->r_addend;

      if (r_symndx < symtab_hdr->sh_info)
       {
         /* It's a local symbol.  */
         long *opd_adjust;

         sym = local_syms + r_symndx;
         sec = local_sections[r_symndx];
         sym_name = bfd_elf_sym_name (input_bfd, symtab_hdr, sym, sec);
         sym_type = ELF64_ST_TYPE (sym->st_info);
         relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
         opd_adjust = get_opd_info (sec);
         if (opd_adjust != NULL)
           {
             long adjust = opd_adjust[(sym->st_value + rel->r_addend) / 8];
             if (adjust == -1)
              relocation = 0;
             else
              {
                /* If this is a relocation against the opd section sym
                   and we have edited .opd, adjust the reloc addend so
                   that ld -r and ld --emit-relocs output is correct.
                   If it is a reloc against some other .opd symbol,
                   then the symbol value will be adjusted later.  */
                if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
                  rel->r_addend += adjust;
                else
                  relocation += adjust;
              }
           }
       }
      else
       {
         RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
                               r_symndx, symtab_hdr, sym_hashes,
                               h_elf, sec, relocation,
                               unresolved_reloc, warned);
         sym_name = h_elf->root.root.string;
         sym_type = h_elf->type;
       }
      h = (struct ppc_link_hash_entry *) h_elf;

      if (sec != NULL && elf_discarded_section (sec))
       {
         /* For relocs against symbols from removed linkonce sections,
            or sections discarded by a linker script, we just want the
            section contents zeroed.  Avoid any special processing.  */
         _bfd_clear_contents (ppc64_elf_howto_table[r_type], input_bfd,
                            contents + rel->r_offset);
         rel->r_info = 0;
         rel->r_addend = 0;
         continue;
       }

      if (info->relocatable)
       continue;

      /* TLS optimizations.  Replace instruction sequences and relocs
        based on information we collected in tls_optimize.  We edit
        RELOCS so that --emit-relocs will output something sensible
        for the final instruction stream.  */
      tls_mask = 0;
      tls_gd = 0;
      toc_symndx = 0;
      if (IS_PPC64_TLS_RELOC (r_type))
       {
         if (h != NULL)
           tls_mask = h->tls_mask;
         else if (local_got_ents != NULL)
           {
             char *lgot_masks;
             lgot_masks = (char *) (local_got_ents + symtab_hdr->sh_info);
             tls_mask = lgot_masks[r_symndx];
           }
         if (tls_mask == 0 && r_type == R_PPC64_TLS)
           {
             /* Check for toc tls entries.  */
             char *toc_tls;

             if (!get_tls_mask (&toc_tls, &toc_symndx, &local_syms,
                             rel, input_bfd))
              return FALSE;

             if (toc_tls)
              tls_mask = *toc_tls;
           }
       }

      /* Check that tls relocs are used with tls syms, and non-tls
        relocs are used with non-tls syms.  */
      if (r_symndx != 0
         && r_type != R_PPC64_NONE
         && (h == NULL
             || h->elf.root.type == bfd_link_hash_defined
             || h->elf.root.type == bfd_link_hash_defweak)
         && IS_PPC64_TLS_RELOC (r_type) != (sym_type == STT_TLS))
       {
         if (r_type == R_PPC64_TLS && tls_mask != 0)
           /* R_PPC64_TLS is OK against a symbol in the TOC.  */
           ;
         else
           (*_bfd_error_handler)
             (sym_type == STT_TLS
              ? _("%B(%A+0x%lx): %s used with TLS symbol %s")
              : _("%B(%A+0x%lx): %s used with non-TLS symbol %s"),
              input_bfd,
              input_section,
              (long) rel->r_offset,
              ppc64_elf_howto_table[r_type]->name,
              sym_name);
       }

      /* Ensure reloc mapping code below stays sane.  */
      if (R_PPC64_TOC16_LO_DS != R_PPC64_TOC16_DS + 1
         || R_PPC64_TOC16_LO != R_PPC64_TOC16 + 1
         || (R_PPC64_GOT_TLSLD16 & 3)    != (R_PPC64_GOT_TLSGD16 & 3)
         || (R_PPC64_GOT_TLSLD16_LO & 3) != (R_PPC64_GOT_TLSGD16_LO & 3)
         || (R_PPC64_GOT_TLSLD16_HI & 3) != (R_PPC64_GOT_TLSGD16_HI & 3)
         || (R_PPC64_GOT_TLSLD16_HA & 3) != (R_PPC64_GOT_TLSGD16_HA & 3)
         || (R_PPC64_GOT_TLSLD16 & 3)    != (R_PPC64_GOT_TPREL16_DS & 3)
         || (R_PPC64_GOT_TLSLD16_LO & 3) != (R_PPC64_GOT_TPREL16_LO_DS & 3)
         || (R_PPC64_GOT_TLSLD16_HI & 3) != (R_PPC64_GOT_TPREL16_HI & 3)
         || (R_PPC64_GOT_TLSLD16_HA & 3) != (R_PPC64_GOT_TPREL16_HA & 3))
       abort ();

      switch (r_type)
       {
       default:
         break;

       case R_PPC64_TOC16:
       case R_PPC64_TOC16_LO:
       case R_PPC64_TOC16_DS:
       case R_PPC64_TOC16_LO_DS:
         {
           /* Check for toc tls entries.  */
           char *toc_tls;
           int retval;

           retval = get_tls_mask (&toc_tls, &toc_symndx, &local_syms,
                               rel, input_bfd);
           if (retval == 0)
             return FALSE;

           if (toc_tls)
             {
              tls_mask = *toc_tls;
              if (r_type == R_PPC64_TOC16_DS
                  || r_type == R_PPC64_TOC16_LO_DS)
                {
                  if (tls_mask != 0
                     && (tls_mask & (TLS_DTPREL | TLS_TPREL)) == 0)
                    goto toctprel;
                }
              else
                {
                  /* If we found a GD reloc pair, then we might be
                     doing a GD->IE transition.  */
                  if (retval == 2)
                    {
                     tls_gd = TLS_TPRELGD;
                     if (tls_mask != 0 && (tls_mask & TLS_GD) == 0)
                       goto tls_get_addr_check;
                    }
                  else if (retval == 3)
                    {
                     if (tls_mask != 0 && (tls_mask & TLS_LD) == 0)
                       goto tls_get_addr_check;
                    }
                }
             }
         }
         break;

       case R_PPC64_GOT_TPREL16_DS:
       case R_PPC64_GOT_TPREL16_LO_DS:
         if (tls_mask != 0
             && (tls_mask & TLS_TPREL) == 0)
           {
           toctprel:
             insn = bfd_get_32 (output_bfd, contents + rel->r_offset - d_offset);
             insn &= 31 << 21;
             insn |= 0x3c0d0000;   /* addis 0,13,0 */
             bfd_put_32 (output_bfd, insn, contents + rel->r_offset - d_offset);
             r_type = R_PPC64_TPREL16_HA;
             if (toc_symndx != 0)
              {
                rel->r_info = ELF64_R_INFO (toc_symndx, r_type);
                /* We changed the symbol.  Start over in order to
                   get h, sym, sec etc. right.  */
                rel--;
                continue;
              }
             else
              rel->r_info = ELF64_R_INFO (r_symndx, r_type);
           }
         break;

       case R_PPC64_TLS:
         if (tls_mask != 0
             && (tls_mask & TLS_TPREL) == 0)
           {
             bfd_vma rtra;
             insn = bfd_get_32 (output_bfd, contents + rel->r_offset);
             if ((insn & ((0x3f << 26) | (31 << 11)))
                == ((31 << 26) | (13 << 11)))
              rtra = insn & ((1 << 26) - (1 << 16));
             else if ((insn & ((0x3f << 26) | (31 << 16)))
                     == ((31 << 26) | (13 << 16)))
              rtra = (insn & (31 << 21)) | ((insn & (31 << 11)) << 5);
             else
              abort ();
             if ((insn & ((1 << 11) - (1 << 1))) == 266 << 1)
              /* add -> addi.  */
              insn = 14 << 26;
             else if ((insn & (31 << 1)) == 23 << 1
                     && ((insn & (31 << 6)) < 14 << 6
                        || ((insn & (31 << 6)) >= 16 << 6
                            && (insn & (31 << 6)) < 24 << 6)))
              /* load and store indexed -> dform.  */
              insn = (32 | ((insn >> 6) & 31)) << 26;
             else if ((insn & (31 << 1)) == 21 << 1
                     && (insn & (0x1a << 6)) == 0)
              /* ldx, ldux, stdx, stdux -> ld, ldu, std, stdu.  */
              insn = (((58 | ((insn >> 6) & 4)) << 26)
                     | ((insn >> 6) & 1));
             else if ((insn & (31 << 1)) == 21 << 1
                     && (insn & ((1 << 11) - (1 << 1))) == 341 << 1)
              /* lwax -> lwa.  */
              insn = (58 << 26) | 2;
             else
              abort ();
             insn |= rtra;
             bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
             /* Was PPC64_TLS which sits on insn boundary, now
               PPC64_TPREL16_LO which is at low-order half-word.  */
             rel->r_offset += d_offset;
             r_type = R_PPC64_TPREL16_LO;
             if (toc_symndx != 0)
              {
                rel->r_info = ELF64_R_INFO (toc_symndx, r_type);
                /* We changed the symbol.  Start over in order to
                   get h, sym, sec etc. right.  */
                rel--;
                continue;
              }
             else
              rel->r_info = ELF64_R_INFO (r_symndx, r_type);
           }
         break;

       case R_PPC64_GOT_TLSGD16_HI:
       case R_PPC64_GOT_TLSGD16_HA:
         tls_gd = TLS_TPRELGD;
         if (tls_mask != 0 && (tls_mask & TLS_GD) == 0)
           goto tls_gdld_hi;
         break;

       case R_PPC64_GOT_TLSLD16_HI:
       case R_PPC64_GOT_TLSLD16_HA:
         if (tls_mask != 0 && (tls_mask & TLS_LD) == 0)
           {
           tls_gdld_hi:
             if ((tls_mask & tls_gd) != 0)
              r_type = (((r_type - (R_PPC64_GOT_TLSGD16 & 3)) & 3)
                       + R_PPC64_GOT_TPREL16_DS);
             else
              {
                bfd_put_32 (output_bfd, NOP, contents + rel->r_offset);
                rel->r_offset -= d_offset;
                r_type = R_PPC64_NONE;
              }
             rel->r_info = ELF64_R_INFO (r_symndx, r_type);
           }
         break;

       case R_PPC64_GOT_TLSGD16:
       case R_PPC64_GOT_TLSGD16_LO:
         tls_gd = TLS_TPRELGD;
         if (tls_mask != 0 && (tls_mask & TLS_GD) == 0)
           goto tls_get_addr_check;
         break;

       case R_PPC64_GOT_TLSLD16:
       case R_PPC64_GOT_TLSLD16_LO:
         if (tls_mask != 0 && (tls_mask & TLS_LD) == 0)
           {
           tls_get_addr_check:
             if (rel + 1 < relend)
              {
                enum elf_ppc64_reloc_type r_type2;
                unsigned long r_symndx2;
                struct elf_link_hash_entry *h2;
                bfd_vma insn1, insn2, insn3;
                bfd_vma offset;

                /* The next instruction should be a call to
                   __tls_get_addr.  Peek at the reloc to be sure.  */
                r_type2 = ELF64_R_TYPE (rel[1].r_info);
                r_symndx2 = ELF64_R_SYM (rel[1].r_info);
                if (r_symndx2 < symtab_hdr->sh_info
                    || (r_type2 != R_PPC64_REL14
                       && r_type2 != R_PPC64_REL14_BRTAKEN
                       && r_type2 != R_PPC64_REL14_BRNTAKEN
                       && r_type2 != R_PPC64_REL24))
                  break;

                h2 = sym_hashes[r_symndx2 - symtab_hdr->sh_info];
                while (h2->root.type == bfd_link_hash_indirect
                      || h2->root.type == bfd_link_hash_warning)
                  h2 = (struct elf_link_hash_entry *) h2->root.u.i.link;
                if (h2 == NULL || (h2 != &htab->tls_get_addr->elf
                                 && h2 != &htab->tls_get_addr_fd->elf))
                  break;

                /* OK, it checks out.  Replace the call.  */
                offset = rel[1].r_offset;
                insn1 = bfd_get_32 (output_bfd,
                                  contents + rel->r_offset - d_offset);
                insn3 = bfd_get_32 (output_bfd,
                                  contents + offset + 4);
                if ((tls_mask & tls_gd) != 0)
                  {
                    /* IE */
                    insn1 &= (1 << 26) - (1 << 2);
                    insn1 |= 58 << 26;    /* ld */
                    insn2 = 0x7c636a14;   /* add 3,3,13 */
                    rel[1].r_info = ELF64_R_INFO (r_symndx2, R_PPC64_NONE);
                    if ((tls_mask & TLS_EXPLICIT) == 0)
                     r_type = (((r_type - (R_PPC64_GOT_TLSGD16 & 3)) & 3)
                              + R_PPC64_GOT_TPREL16_DS);
                    else
                     r_type += R_PPC64_TOC16_DS - R_PPC64_TOC16;
                    rel->r_info = ELF64_R_INFO (r_symndx, r_type);
                  }
                else
                  {
                    /* LE */
                    insn1 = 0x3c6d0000;   /* addis 3,13,0 */
                    insn2 = 0x38630000;   /* addi 3,3,0 */
                    if (tls_gd == 0)
                     {
                       /* Was an LD reloc.  */
                       r_symndx = 0;
                       rel->r_addend = htab->elf.tls_sec->vma + DTP_OFFSET;
                       rel[1].r_addend = htab->elf.tls_sec->vma + DTP_OFFSET;
                     }
                    else if (toc_symndx != 0)
                     r_symndx = toc_symndx;
                    r_type = R_PPC64_TPREL16_HA;
                    rel->r_info = ELF64_R_INFO (r_symndx, r_type);
                    rel[1].r_info = ELF64_R_INFO (r_symndx,
                                              R_PPC64_TPREL16_LO);
                    rel[1].r_offset += d_offset;
                  }
                if (insn3 == NOP
                    || insn3 == CROR_151515 || insn3 == CROR_313131)
                  {
                    insn3 = insn2;
                    insn2 = NOP;
                    rel[1].r_offset += 4;
                  }
                bfd_put_32 (output_bfd, insn1, contents + rel->r_offset - d_offset);
                bfd_put_32 (output_bfd, insn2, contents + offset);
                bfd_put_32 (output_bfd, insn3, contents + offset + 4);
                if (tls_gd == 0 || toc_symndx != 0)
                  {
                    /* We changed the symbol.  Start over in order
                      to get h, sym, sec etc. right.  */
                    rel--;
                    continue;
                  }
              }
           }
         break;

       case R_PPC64_DTPMOD64:
         if (rel + 1 < relend
             && rel[1].r_info == ELF64_R_INFO (r_symndx, R_PPC64_DTPREL64)
             && rel[1].r_offset == rel->r_offset + 8)
           {
             if ((tls_mask & TLS_GD) == 0)
              {
                rel[1].r_info = ELF64_R_INFO (r_symndx, R_PPC64_NONE);
                if ((tls_mask & TLS_TPRELGD) != 0)
                  r_type = R_PPC64_TPREL64;
                else
                  {
                    bfd_put_64 (output_bfd, 1, contents + rel->r_offset);
                    r_type = R_PPC64_NONE;
                  }
                rel->r_info = ELF64_R_INFO (r_symndx, r_type);
              }
           }
         else
           {
             if ((tls_mask & TLS_LD) == 0)
              {
                bfd_put_64 (output_bfd, 1, contents + rel->r_offset);
                r_type = R_PPC64_NONE;
                rel->r_info = ELF64_R_INFO (r_symndx, r_type);
              }
           }
         break;

       case R_PPC64_TPREL64:
         if ((tls_mask & TLS_TPREL) == 0)
           {
             r_type = R_PPC64_NONE;
             rel->r_info = ELF64_R_INFO (r_symndx, r_type);
           }
         break;
       }

      /* Handle other relocations that tweak non-addend part of insn.  */
      insn = 0;
      max_br_offset = 1 << 25;
      addend = rel->r_addend;
      switch (r_type)
       {
       default:
         break;

         /* Branch taken prediction relocations.  */
       case R_PPC64_ADDR14_BRTAKEN:
       case R_PPC64_REL14_BRTAKEN:
         insn = 0x01 << 21; /* 'y' or 't' bit, lowest bit of BO field.  */
         /* Fall thru.  */

         /* Branch not taken prediction relocations.  */
       case R_PPC64_ADDR14_BRNTAKEN:
       case R_PPC64_REL14_BRNTAKEN:
         insn |= bfd_get_32 (output_bfd,
                           contents + rel->r_offset) & ~(0x01 << 21);
         /* Fall thru.  */

       case R_PPC64_REL14:
         max_br_offset = 1 << 15;
         /* Fall thru.  */

       case R_PPC64_REL24:
         /* Calls to functions with a different TOC, such as calls to
            shared objects, need to alter the TOC pointer.  This is
            done using a linkage stub.  A REL24 branching to these
            linkage stubs needs to be followed by a nop, as the nop
            will be replaced with an instruction to restore the TOC
            base pointer.  */
         stub_entry = NULL;
         fdh = h;
         if (((h != NULL
              && (((fdh = h->oh) != NULL
                   && fdh->elf.plt.plist != NULL)
                  || (fdh = h)->elf.plt.plist != NULL))
              || (sec != NULL
                 && sec->output_section != NULL
                 && sec->id <= htab->top_id
                 && (htab->stub_group[sec->id].toc_off
                     != htab->stub_group[input_section->id].toc_off)))
             && (stub_entry = ppc_get_stub_entry (input_section, sec, fdh,
                                             rel, htab)) != NULL
             && (stub_entry->stub_type == ppc_stub_plt_call
                || stub_entry->stub_type == ppc_stub_plt_branch_r2off
                || stub_entry->stub_type == ppc_stub_long_branch_r2off))
           {
             bfd_boolean can_plt_call = FALSE;

             if (rel->r_offset + 8 <= input_section->size)
              {
                unsigned long nop;
                nop = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
                if (nop == NOP
                    || nop == CROR_151515 || nop == CROR_313131)
                  {
                    bfd_put_32 (input_bfd, LD_R2_40R1,
                              contents + rel->r_offset + 4);
                    can_plt_call = TRUE;
                  }
              }

             if (!can_plt_call)
              {
                if (stub_entry->stub_type == ppc_stub_plt_call)
                  {
                    /* If this is a plain branch rather than a branch
                      and link, don't require a nop.  However, don't
                      allow tail calls in a shared library as they
                      will result in r2 being corrupted.  */
                    unsigned long br;
                    br = bfd_get_32 (input_bfd, contents + rel->r_offset);
                    if (info->executable && (br & 1) == 0)
                     can_plt_call = TRUE;
                    else
                     stub_entry = NULL;
                  }
                else if (h != NULL
                        && strcmp (h->elf.root.root.string,
                                  ".__libc_start_main") == 0)
                  {
                    /* Allow crt1 branch to go via a toc adjusting stub.  */
                    can_plt_call = TRUE;
                  }
                else
                  {
                    if (strcmp (input_section->output_section->name,
                              ".init") == 0
                       || strcmp (input_section->output_section->name,
                                 ".fini") == 0)
                     (*_bfd_error_handler)
                       (_("%B(%A+0x%lx): automatic multiple TOCs "
                          "not supported using your crt files; "
                          "recompile with -mminimal-toc or upgrade gcc"),
                        input_bfd,
                        input_section,
                        (long) rel->r_offset);
                    else
                     (*_bfd_error_handler)
                       (_("%B(%A+0x%lx): sibling call optimization to `%s' "
                          "does not allow automatic multiple TOCs; "
                          "recompile with -mminimal-toc or "
                          "-fno-optimize-sibling-calls, "
                          "or make `%s' extern"),
                        input_bfd,
                        input_section,
                        (long) rel->r_offset,
                        sym_name,
                        sym_name);
                    bfd_set_error (bfd_error_bad_value);
                    ret = FALSE;
                  }
              }

             if (can_plt_call
                && stub_entry->stub_type == ppc_stub_plt_call)
              unresolved_reloc = FALSE;
           }

         if (stub_entry == NULL
             && get_opd_info (sec) != NULL)
           {
             /* The branch destination is the value of the opd entry. */
             bfd_vma off = (relocation + addend
                          - sec->output_section->vma
                          - sec->output_offset);
             bfd_vma dest = opd_entry_value (sec, off, NULL, NULL);
             if (dest != (bfd_vma) -1)
              {
                relocation = dest;
                addend = 0;
              }
           }

         /* If the branch is out of reach we ought to have a long
            branch stub.  */
         from = (rel->r_offset
                + input_section->output_offset
                + input_section->output_section->vma);

         if (stub_entry == NULL
             && (relocation + addend - from + max_br_offset
                >= 2 * max_br_offset)
             && r_type != R_PPC64_ADDR14_BRTAKEN
             && r_type != R_PPC64_ADDR14_BRNTAKEN)
           stub_entry = ppc_get_stub_entry (input_section, sec, h, rel,
                                        htab);

         if (stub_entry != NULL)
           {
             /* Munge up the value and addend so that we call the stub
               rather than the procedure directly.  */
             relocation = (stub_entry->stub_offset
                         + stub_entry->stub_sec->output_offset
                         + stub_entry->stub_sec->output_section->vma);
             addend = 0;
           }

         if (insn != 0)
           {
             if (is_power4)
              {
                /* Set 'a' bit.  This is 0b00010 in BO field for branch
                   on CR(BI) insns (BO == 001at or 011at), and 0b01000
                   for branch on CTR insns (BO == 1a00t or 1a01t).  */
                if ((insn & (0x14 << 21)) == (0x04 << 21))
                  insn |= 0x02 << 21;
                else if ((insn & (0x14 << 21)) == (0x10 << 21))
                  insn |= 0x08 << 21;
                else
                  break;
              }
             else
              {
                /* Invert 'y' bit if not the default.  */
                if ((bfd_signed_vma) (relocation + addend - from) < 0)
                  insn ^= 0x01 << 21;
              }

             bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
           }

         /* NOP out calls to undefined weak functions.
            We can thus call a weak function without first
            checking whether the function is defined.  */
         else if (h != NULL
                 && h->elf.root.type == bfd_link_hash_undefweak
                 && r_type == R_PPC64_REL24
                 && relocation == 0
                 && addend == 0)
           {
             bfd_put_32 (output_bfd, NOP, contents + rel->r_offset);
             continue;
           }
         break;
       }

      /* Set `addend'.  */
      tls_type = 0;
      switch (r_type)
       {
       default:
         (*_bfd_error_handler)
           (_("%B: unknown relocation type %d for symbol %s"),
            input_bfd, (int) r_type, sym_name);

         bfd_set_error (bfd_error_bad_value);
         ret = FALSE;
         continue;

       case R_PPC64_NONE:
       case R_PPC64_TLS:
       case R_PPC64_GNU_VTINHERIT:
       case R_PPC64_GNU_VTENTRY:
         continue;

         /* GOT16 relocations.  Like an ADDR16 using the symbol's
            address in the GOT as relocation value instead of the
            symbol's value itself.  Also, create a GOT entry for the
            symbol and put the symbol value there.  */
       case R_PPC64_GOT_TLSGD16:
       case R_PPC64_GOT_TLSGD16_LO:
       case R_PPC64_GOT_TLSGD16_HI:
       case R_PPC64_GOT_TLSGD16_HA:
         tls_type = TLS_TLS | TLS_GD;
         goto dogot;

       case R_PPC64_GOT_TLSLD16:
       case R_PPC64_GOT_TLSLD16_LO:
       case R_PPC64_GOT_TLSLD16_HI:
       case R_PPC64_GOT_TLSLD16_HA:
         tls_type = TLS_TLS | TLS_LD;
         goto dogot;

       case R_PPC64_GOT_TPREL16_DS:
       case R_PPC64_GOT_TPREL16_LO_DS:
       case R_PPC64_GOT_TPREL16_HI:
       case R_PPC64_GOT_TPREL16_HA:
         tls_type = TLS_TLS | TLS_TPREL;
         goto dogot;

       case R_PPC64_GOT_DTPREL16_DS:
       case R_PPC64_GOT_DTPREL16_LO_DS:
       case R_PPC64_GOT_DTPREL16_HI:
       case R_PPC64_GOT_DTPREL16_HA:
         tls_type = TLS_TLS | TLS_DTPREL;
         goto dogot;

       case R_PPC64_GOT16:
       case R_PPC64_GOT16_LO:
       case R_PPC64_GOT16_HI:
       case R_PPC64_GOT16_HA:
       case R_PPC64_GOT16_DS:
       case R_PPC64_GOT16_LO_DS:
       dogot:
         {
           /* Relocation is to the entry for this symbol in the global
              offset table.  */
           asection *got;
           bfd_vma *offp;
           bfd_vma off;
           unsigned long indx = 0;

           if (tls_type == (TLS_TLS | TLS_LD)
              && (h == NULL
                  || !h->elf.def_dynamic))
             offp = &ppc64_tlsld_got (input_bfd)->offset;
           else
             {
              struct got_entry *ent;

              if (h != NULL)
                {
                  bfd_boolean dyn = htab->elf.dynamic_sections_created;
                  if (!WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared,
                                                   &h->elf)
                     || (info->shared
                         && SYMBOL_REFERENCES_LOCAL (info, &h->elf)))
                    /* This is actually a static link, or it is a
                      -Bsymbolic link and the symbol is defined
                      locally, or the symbol was forced to be local
                      because of a version file.  */
                    ;
                  else
                    {
                     indx = h->elf.dynindx;
                     unresolved_reloc = FALSE;
                    }
                  ent = h->elf.got.glist;
                }
              else
                {
                  if (local_got_ents == NULL)
                    abort ();
                  ent = local_got_ents[r_symndx];
                }

              for (; ent != NULL; ent = ent->next)
                if (ent->addend == orig_addend
                    && ent->owner == input_bfd
                    && ent->tls_type == tls_type)
                  break;
              if (ent == NULL)
                abort ();
              offp = &ent->got.offset;
             }

           got = ppc64_elf_tdata (input_bfd)->got;
           if (got == NULL)
             abort ();

           /* The offset must always be a multiple of 8.  We use the
              least significant bit to record whether we have already
              processed this entry.  */
           off = *offp;
           if ((off & 1) != 0)
             off &= ~1;
           else
             {
              /* Generate relocs for the dynamic linker, except in
                 the case of TLSLD where we'll use one entry per
                 module.  */
              asection *relgot = ppc64_elf_tdata (input_bfd)->relgot;

              *offp = off | 1;
              if ((info->shared || indx != 0)
                  && (h == NULL
                     || ELF_ST_VISIBILITY (h->elf.other) == STV_DEFAULT
                     || h->elf.root.type != bfd_link_hash_undefweak))
                {
                  outrel.r_offset = (got->output_section->vma
                                   + got->output_offset
                                   + off);
                  outrel.r_addend = addend;
                  if (tls_type & (TLS_LD | TLS_GD))
                    {
                     outrel.r_addend = 0;
                     outrel.r_info = ELF64_R_INFO (indx, R_PPC64_DTPMOD64);
                     if (tls_type == (TLS_TLS | TLS_GD))
                       {
                         loc = relgot->contents;
                         loc += (relgot->reloc_count++
                                * sizeof (Elf64_External_Rela));
                         bfd_elf64_swap_reloca_out (output_bfd,
                                                 &outrel, loc);
                         outrel.r_offset += 8;
                         outrel.r_addend = addend;
                         outrel.r_info
                           = ELF64_R_INFO (indx, R_PPC64_DTPREL64);
                       }
                    }
                  else if (tls_type == (TLS_TLS | TLS_DTPREL))
                    outrel.r_info = ELF64_R_INFO (indx, R_PPC64_DTPREL64);
                  else if (tls_type == (TLS_TLS | TLS_TPREL))
                    outrel.r_info = ELF64_R_INFO (indx, R_PPC64_TPREL64);
                  else if (indx == 0)
                    {
                     outrel.r_info = ELF64_R_INFO (indx, R_PPC64_RELATIVE);

                     /* Write the .got section contents for the sake
                        of prelink.  */
                     loc = got->contents + off;
                     bfd_put_64 (output_bfd, outrel.r_addend + relocation,
                                loc);
                    }
                  else
                    outrel.r_info = ELF64_R_INFO (indx, R_PPC64_GLOB_DAT);

                  if (indx == 0 && tls_type != (TLS_TLS | TLS_LD))
                    {
                     outrel.r_addend += relocation;
                     if (tls_type & (TLS_GD | TLS_DTPREL | TLS_TPREL))
                       outrel.r_addend -= htab->elf.tls_sec->vma;
                    }
                  loc = relgot->contents;
                  loc += (relgot->reloc_count++
                         * sizeof (Elf64_External_Rela));
                  bfd_elf64_swap_reloca_out (output_bfd, &outrel, loc);
                }

              /* Init the .got section contents here if we're not
                 emitting a reloc.  */
              else
                {
                  relocation += addend;
                  if (tls_type == (TLS_TLS | TLS_LD))
                    relocation = 1;
                  else if (tls_type != 0)
                    {
                     relocation -= htab->elf.tls_sec->vma + DTP_OFFSET;
                     if (tls_type == (TLS_TLS | TLS_TPREL))
                       relocation += DTP_OFFSET - TP_OFFSET;

                     if (tls_type == (TLS_TLS | TLS_GD))
                       {
                         bfd_put_64 (output_bfd, relocation,
                                   got->contents + off + 8);
                         relocation = 1;
                       }
                    }

                  bfd_put_64 (output_bfd, relocation,
                            got->contents + off);
                }
             }

           if (off >= (bfd_vma) -2)
             abort ();

           relocation = got->output_offset + off;

           /* TOC base (r2) is TOC start plus 0x8000.  */
           addend = -TOC_BASE_OFF;
         }
         break;

       case R_PPC64_PLT16_HA:
       case R_PPC64_PLT16_HI:
       case R_PPC64_PLT16_LO:
       case R_PPC64_PLT32:
       case R_PPC64_PLT64:
         /* Relocation is to the entry for this symbol in the
            procedure linkage table.  */

         /* Resolve a PLT reloc against a local symbol directly,
            without using the procedure linkage table.  */
         if (h == NULL)
           break;

         /* It's possible that we didn't make a PLT entry for this
            symbol.  This happens when statically linking PIC code,
            or when using -Bsymbolic.  Go find a match if there is a
            PLT entry.  */
         if (htab->plt != NULL)
           {
             struct plt_entry *ent;
             for (ent = h->elf.plt.plist; ent != NULL; ent = ent->next)
              if (ent->addend == orig_addend
                  && ent->plt.offset != (bfd_vma) -1)
                {
                  relocation = (htab->plt->output_section->vma
                              + htab->plt->output_offset
                              + ent->plt.offset);
                  unresolved_reloc = FALSE;
                }
           }
         break;

       case R_PPC64_TOC:
         /* Relocation value is TOC base.  */
         relocation = TOCstart;
         if (r_symndx == 0)
           relocation += htab->stub_group[input_section->id].toc_off;
         else if (unresolved_reloc)
           ;
         else if (sec != NULL && sec->id <= htab->top_id)
           relocation += htab->stub_group[sec->id].toc_off;
         else
           unresolved_reloc = TRUE;
         goto dodyn;

         /* TOC16 relocs.  We want the offset relative to the TOC base,
            which is the address of the start of the TOC plus 0x8000.
            The TOC consists of sections .got, .toc, .tocbss, and .plt,
            in this order.  */
       case R_PPC64_TOC16:
       case R_PPC64_TOC16_LO:
       case R_PPC64_TOC16_HI:
       case R_PPC64_TOC16_DS:
       case R_PPC64_TOC16_LO_DS:
       case R_PPC64_TOC16_HA:
         addend -= TOCstart + htab->stub_group[input_section->id].toc_off;
         break;

         /* Relocate against the beginning of the section.  */
       case R_PPC64_SECTOFF:
       case R_PPC64_SECTOFF_LO:
       case R_PPC64_SECTOFF_HI:
       case R_PPC64_SECTOFF_DS:
       case R_PPC64_SECTOFF_LO_DS:
       case R_PPC64_SECTOFF_HA:
         if (sec != NULL)
           addend -= sec->output_section->vma;
         break;

       case R_PPC64_REL14:
       case R_PPC64_REL14_BRNTAKEN:
       case R_PPC64_REL14_BRTAKEN:
       case R_PPC64_REL24:
         break;

       case R_PPC64_TPREL16:
       case R_PPC64_TPREL16_LO:
       case R_PPC64_TPREL16_HI:
       case R_PPC64_TPREL16_HA:
       case R_PPC64_TPREL16_DS:
       case R_PPC64_TPREL16_LO_DS:
       case R_PPC64_TPREL16_HIGHER:
       case R_PPC64_TPREL16_HIGHERA:
       case R_PPC64_TPREL16_HIGHEST:
       case R_PPC64_TPREL16_HIGHESTA:
         addend -= htab->elf.tls_sec->vma + TP_OFFSET;
         if (info->shared)
           /* The TPREL16 relocs shouldn't really be used in shared
              libs as they will result in DT_TEXTREL being set, but
              support them anyway.  */
           goto dodyn;
         break;

       case R_PPC64_DTPREL16:
       case R_PPC64_DTPREL16_LO:
       case R_PPC64_DTPREL16_HI:
       case R_PPC64_DTPREL16_HA:
       case R_PPC64_DTPREL16_DS:
       case R_PPC64_DTPREL16_LO_DS:
       case R_PPC64_DTPREL16_HIGHER:
       case R_PPC64_DTPREL16_HIGHERA:
       case R_PPC64_DTPREL16_HIGHEST:
       case R_PPC64_DTPREL16_HIGHESTA:
         addend -= htab->elf.tls_sec->vma + DTP_OFFSET;
         break;

       case R_PPC64_DTPMOD64:
         relocation = 1;
         addend = 0;
         goto dodyn;

       case R_PPC64_TPREL64:
         addend -= htab->elf.tls_sec->vma + TP_OFFSET;
         goto dodyn;

       case R_PPC64_DTPREL64:
         addend -= htab->elf.tls_sec->vma + DTP_OFFSET;
         /* Fall thru */

         /* Relocations that may need to be propagated if this is a
            dynamic object.  */
       case R_PPC64_REL30:
       case R_PPC64_REL32:
       case R_PPC64_REL64:
       case R_PPC64_ADDR14:
       case R_PPC64_ADDR14_BRNTAKEN:
       case R_PPC64_ADDR14_BRTAKEN:
       case R_PPC64_ADDR16:
       case R_PPC64_ADDR16_DS:
       case R_PPC64_ADDR16_HA:
       case R_PPC64_ADDR16_HI:
       case R_PPC64_ADDR16_HIGHER:
       case R_PPC64_ADDR16_HIGHERA:
       case R_PPC64_ADDR16_HIGHEST:
       case R_PPC64_ADDR16_HIGHESTA:
       case R_PPC64_ADDR16_LO:
       case R_PPC64_ADDR16_LO_DS:
       case R_PPC64_ADDR24:
       case R_PPC64_ADDR32:
       case R_PPC64_ADDR64:
       case R_PPC64_UADDR16:
       case R_PPC64_UADDR32:
       case R_PPC64_UADDR64:
       dodyn:
         if ((input_section->flags & SEC_ALLOC) == 0)
           break;

         if (NO_OPD_RELOCS && is_opd)
           break;

         if ((info->shared
              && (h == NULL
                 || ELF_ST_VISIBILITY (h->elf.other) == STV_DEFAULT
                 || h->elf.root.type != bfd_link_hash_undefweak)
              && (MUST_BE_DYN_RELOC (r_type)
                 || !SYMBOL_CALLS_LOCAL (info, &h->elf)))
             || (ELIMINATE_COPY_RELOCS
                && !info->shared
                && h != NULL
                && h->elf.dynindx != -1
                && !h->elf.non_got_ref
                && h->elf.def_dynamic
                && !h->elf.def_regular))
           {
             Elf_Internal_Rela outrel;
             bfd_boolean skip, relocate;
             asection *sreloc;
             bfd_byte *loc;
             bfd_vma out_off;

             /* When generating a dynamic object, these relocations
               are copied into the output file to be resolved at run
               time.  */

             skip = FALSE;
             relocate = FALSE;

             out_off = _bfd_elf_section_offset (output_bfd, info,
                                           input_section, rel->r_offset);
             if (out_off == (bfd_vma) -1)
              skip = TRUE;
             else if (out_off == (bfd_vma) -2)
              skip = TRUE, relocate = TRUE;
             out_off += (input_section->output_section->vma
                       + input_section->output_offset);
             outrel.r_offset = out_off;
             outrel.r_addend = rel->r_addend;

             /* Optimize unaligned reloc use.  */
             if ((r_type == R_PPC64_ADDR64 && (out_off & 7) != 0)
                || (r_type == R_PPC64_UADDR64 && (out_off & 7) == 0))
              r_type ^= R_PPC64_ADDR64 ^ R_PPC64_UADDR64;
             else if ((r_type == R_PPC64_ADDR32 && (out_off & 3) != 0)
                     || (r_type == R_PPC64_UADDR32 && (out_off & 3) == 0))
              r_type ^= R_PPC64_ADDR32 ^ R_PPC64_UADDR32;
             else if ((r_type == R_PPC64_ADDR16 && (out_off & 1) != 0)
                     || (r_type == R_PPC64_UADDR16 && (out_off & 1) == 0))
              r_type ^= R_PPC64_ADDR16 ^ R_PPC64_UADDR16;

             if (skip)
              memset (&outrel, 0, sizeof outrel);
             else if (!SYMBOL_REFERENCES_LOCAL (info, &h->elf)
                     && !is_opd
                     && r_type != R_PPC64_TOC)
              outrel.r_info = ELF64_R_INFO (h->elf.dynindx, r_type);
             else
              {
                /* This symbol is local, or marked to become local,
                   or this is an opd section reloc which must point
                   at a local function.  */
                outrel.r_addend += relocation;
                if (r_type == R_PPC64_ADDR64 || r_type == R_PPC64_TOC)
                  {
                    if (is_opd && h != NULL)
                     {
                       /* Lie about opd entries.  This case occurs
                          when building shared libraries and we
                          reference a function in another shared
                          lib.  The same thing happens for a weak
                          definition in an application that's
                          overridden by a strong definition in a
                          shared lib.  (I believe this is a generic
                          bug in binutils handling of weak syms.)
                          In these cases we won't use the opd
                          entry in this lib.  */
                       unresolved_reloc = FALSE;
                     }
                    outrel.r_info = ELF64_R_INFO (0, R_PPC64_RELATIVE);

                    /* We need to relocate .opd contents for ld.so.
                      Prelink also wants simple and consistent rules
                      for relocs.  This make all RELATIVE relocs have
                      *r_offset equal to r_addend.  */
                    relocate = TRUE;
                  }
                else
                  {
                    long indx = 0;

                    if (bfd_is_abs_section (sec))
                     ;
                    else if (sec == NULL || sec->owner == NULL)
                     {
                       bfd_set_error (bfd_error_bad_value);
                       return FALSE;
                     }
                    else
                     {
                       asection *osec;

                       osec = sec->output_section;
                       indx = elf_section_data (osec)->dynindx;

                       if (indx == 0)
                         {
                           if ((osec->flags & SEC_READONLY) == 0
                              && htab->elf.data_index_section != NULL)
                            osec = htab->elf.data_index_section;
                           else
                            osec = htab->elf.text_index_section;
                           indx = elf_section_data (osec)->dynindx;
                         }
                       BFD_ASSERT (indx != 0);

                       /* We are turning this relocation into one
                          against a section symbol, so subtract out
                          the output section's address but not the
                          offset of the input section in the output
                          section.  */
                       outrel.r_addend -= osec->vma;
                     }

                    outrel.r_info = ELF64_R_INFO (indx, r_type);
                  }
              }

             sreloc = elf_section_data (input_section)->sreloc;
             if (sreloc == NULL)
              abort ();

             if (sreloc->reloc_count * sizeof (Elf64_External_Rela)
                >= sreloc->size)
              abort ();
             loc = sreloc->contents;
             loc += sreloc->reloc_count++ * sizeof (Elf64_External_Rela);
             bfd_elf64_swap_reloca_out (output_bfd, &outrel, loc);

             /* If this reloc is against an external symbol, it will
               be computed at runtime, so there's no need to do
               anything now.  However, for the sake of prelink ensure
               that the section contents are a known value.  */
             if (! relocate)
              {
                unresolved_reloc = FALSE;
                /* The value chosen here is quite arbitrary as ld.so
                   ignores section contents except for the special
                   case of .opd where the contents might be accessed
                   before relocation.  Choose zero, as that won't
                   cause reloc overflow.  */
                relocation = 0;
                addend = 0;
                /* Use *r_offset == r_addend for R_PPC64_ADDR64 relocs
                   to improve backward compatibility with older
                   versions of ld.  */
                if (r_type == R_PPC64_ADDR64)
                  addend = outrel.r_addend;
                /* Adjust pc_relative relocs to have zero in *r_offset.  */
                else if (ppc64_elf_howto_table[r_type]->pc_relative)
                  addend = (input_section->output_section->vma
                           + input_section->output_offset
                           + rel->r_offset);
              }
           }
         break;

       case R_PPC64_COPY:
       case R_PPC64_GLOB_DAT:
       case R_PPC64_JMP_SLOT:
       case R_PPC64_RE