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cell-binutils  2.17cvs20070401
Classes | Defines | Typedefs | Enumerations | Functions | Variables
elf32-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/ppc.h"
#include "elf32-ppc.h"
#include "elf-vxworks.h"
#include "elf32-target.h"

Go to the source code of this file.

Classes

struct  elf_linker_section
struct  elf_linker_section_pointers
struct  ppc_elf_obj_tdata
struct  apuinfo_list
struct  ppc_elf_dyn_relocs
struct  plt_entry
struct  ppc_elf_link_hash_entry
union  plt_entry.plt

Defines

#define BRANCH_PREDICT_BIT   0x200000
#define RA_REGISTER_MASK   0x001f0000
#define RA_REGISTER_SHIFT   16
#define ELF_DYNAMIC_INTERPRETER   "/usr/lib/ld.so.1"
#define PLT_NUM_SINGLE_ENTRIES   8192
#define GLINK_PLTRESOLVE   16*4
#define GLINK_ENTRY_SIZE   4*4
#define VXWORKS_PLT_ENTRY_SIZE   32
#define VXWORKS_PLT_INITIAL_ENTRY_SIZE   32
#define VXWORKS_PLT_NON_JMP_SLOT_RELOCS   3
#define VXWORKS_PLTRESOLVE_RELOCS   2
#define VXWORKS_PLTRESOLVE_RELOCS_SHLIB   0
#define ADDIS_11_11   0x3d6b0000
#define ADDIS_11_30   0x3d7e0000
#define ADDIS_12_12   0x3d8c0000
#define ADDI_11_11   0x396b0000
#define ADD_0_11_11   0x7c0b5a14
#define ADD_11_0_11   0x7d605a14
#define B   0x48000000
#define BCL_20_31   0x429f0005
#define BCTR   0x4e800420
#define LIS_11   0x3d600000
#define LIS_12   0x3d800000
#define LWZU_0_12   0x840c0000
#define LWZ_0_12   0x800c0000
#define LWZ_11_11   0x816b0000
#define LWZ_11_30   0x817e0000
#define LWZ_12_12   0x818c0000
#define MFLR_0   0x7c0802a6
#define MFLR_12   0x7d8802a6
#define MTCTR_0   0x7c0903a6
#define MTCTR_11   0x7d6903a6
#define MTLR_0   0x7c0803a6
#define NOP   0x60000000
#define SUB_11_11_12   0x7d6c5850
#define TP_OFFSET   0x7000
#define DTP_OFFSET   0x8000
#define ppc_elf_tdata(bfd)   ((struct ppc_elf_obj_tdata *) (bfd)->tdata.any)
#define elf_local_ptr_offsets(bfd)   (ppc_elf_tdata (bfd)->linker_section_pointers)
#define APUINFO_SECTION_NAME   ".PPC.EMB.apuinfo"
#define APUINFO_LABEL   "APUinfo"
#define MUST_BE_DYN_RELOC(RTYPE)
#define ELIMINATE_COPY_RELOCS   1
#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_TPRELGD   32 /* TPREL reloc resulting from GD->IE. */
#define ppc_elf_hash_entry(ent)   ((struct ppc_elf_link_hash_entry *) (ent))
#define ppc_elf_hash_table(p)   ((struct ppc_elf_link_hash_table *) (p)->hash)
#define add_dynamic_entry(TAG, VAL)   _bfd_elf_add_dynamic_entry (info, TAG, VAL)
#define ARRAY_SIZE(a)   (sizeof (a) / sizeof ((a)[0]))
#define PPC_LO(v)   ((v) & 0xffff)
#define PPC_HI(v)   (((v) >> 16) & 0xffff)
#define PPC_HA(v)   PPC_HI ((v) + 0x8000)
#define TARGET_LITTLE_SYM   bfd_elf32_powerpcle_vec
#define TARGET_LITTLE_NAME   "elf32-powerpcle"
#define TARGET_BIG_SYM   bfd_elf32_powerpc_vec
#define TARGET_BIG_NAME   "elf32-powerpc"
#define ELF_ARCH   bfd_arch_powerpc
#define ELF_MACHINE_CODE   EM_PPC
#define ELF_MAXPAGESIZE   0x10000
#define ELF_MINPAGESIZE   0x1000
#define ELF_COMMONPAGESIZE   0x1000
#define elf_info_to_howto   ppc_elf_info_to_howto
#define elf_backend_plt_not_loaded   1
#define elf_backend_can_gc_sections   1
#define elf_backend_can_refcount   1
#define elf_backend_rela_normal   1
#define bfd_elf32_mkobject   ppc_elf_mkobject
#define bfd_elf32_bfd_merge_private_bfd_data   ppc_elf_merge_private_bfd_data
#define bfd_elf32_bfd_relax_section   ppc_elf_relax_section
#define bfd_elf32_bfd_reloc_type_lookup   ppc_elf_reloc_type_lookup
#define bfd_elf32_bfd_reloc_name_lookup   ppc_elf_reloc_name_lookup
#define bfd_elf32_bfd_set_private_flags   ppc_elf_set_private_flags
#define bfd_elf32_bfd_link_hash_table_create   ppc_elf_link_hash_table_create
#define elf_backend_object_p   ppc_elf_object_p
#define elf_backend_gc_mark_hook   ppc_elf_gc_mark_hook
#define elf_backend_gc_sweep_hook   ppc_elf_gc_sweep_hook
#define elf_backend_section_from_shdr   ppc_elf_section_from_shdr
#define elf_backend_relocate_section   ppc_elf_relocate_section
#define elf_backend_create_dynamic_sections   ppc_elf_create_dynamic_sections
#define elf_backend_check_relocs   ppc_elf_check_relocs
#define elf_backend_copy_indirect_symbol   ppc_elf_copy_indirect_symbol
#define elf_backend_adjust_dynamic_symbol   ppc_elf_adjust_dynamic_symbol
#define elf_backend_add_symbol_hook   ppc_elf_add_symbol_hook
#define elf_backend_size_dynamic_sections   ppc_elf_size_dynamic_sections
#define elf_backend_finish_dynamic_symbol   ppc_elf_finish_dynamic_symbol
#define elf_backend_finish_dynamic_sections   ppc_elf_finish_dynamic_sections
#define elf_backend_fake_sections   ppc_elf_fake_sections
#define elf_backend_additional_program_headers   ppc_elf_additional_program_headers
#define elf_backend_grok_prstatus   ppc_elf_grok_prstatus
#define elf_backend_grok_psinfo   ppc_elf_grok_psinfo
#define elf_backend_write_core_note   ppc_elf_write_core_note
#define elf_backend_reloc_type_class   ppc_elf_reloc_type_class
#define elf_backend_begin_write_processing   ppc_elf_begin_write_processing
#define elf_backend_final_write_processing   ppc_elf_final_write_processing
#define elf_backend_write_section   ppc_elf_write_section
#define elf_backend_get_sec_type_attr   ppc_elf_get_sec_type_attr
#define elf_backend_plt_sym_val   ppc_elf_plt_sym_val
#define elf_backend_action_discarded   ppc_elf_action_discarded
#define elf_backend_init_index_section   _bfd_elf_init_1_index_section
#define TARGET_BIG_SYM   bfd_elf32_powerpc_vxworks_vec
#define TARGET_BIG_NAME   "elf32-powerpc-vxworks"
#define elf_backend_want_plt_sym   1
#define elf_backend_want_got_plt   1
#define elf_backend_got_symbol_offset   0
#define elf_backend_plt_not_loaded   0
#define elf_backend_plt_readonly   1
#define elf_backend_got_header_size   12
#define bfd_elf32_bfd_link_hash_table_create   ppc_elf_vxworks_link_hash_table_create
#define elf_backend_add_symbol_hook   ppc_elf_vxworks_add_symbol_hook
#define elf_backend_link_output_symbol_hook   elf_vxworks_link_output_symbol_hook
#define elf_backend_final_write_processing   ppc_elf_vxworks_final_write_processing
#define elf_backend_get_sec_type_attr   ppc_elf_vxworks_get_sec_type_attr
#define elf_backend_emit_relocs   elf_vxworks_emit_relocs
#define elf32_bed   ppc_elf_vxworks_bed

Typedefs

typedef struct elf_linker_section elf_linker_section_t
typedef struct
elf_linker_section_pointers 
elf_linker_section_pointers_t
typedef struct apuinfo_list apuinfo_list

Enumerations

enum  ppc_elf_plt_type { PLT_UNSET, PLT_OLD, PLT_NEW, PLT_VXWORKS }

Functions

static bfd_reloc_status_type ppc_elf_addr16_ha_reloc (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **)
static bfd_reloc_status_type ppc_elf_unhandled_reloc (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **)
static void ppc_elf_howto_init (void)
static reloc_howto_type * ppc_elf_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, bfd_reloc_code_real_type code)
static reloc_howto_type * ppc_elf_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, const char *r_name)
static void ppc_elf_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *cache_ptr, Elf_Internal_Rela *dst)
static bfd_reloc_status_type ppc_elf_addr16_ha_reloc (bfd *abfd ATTRIBUTE_UNUSED, arelent *reloc_entry, asymbol *symbol, void *data ATTRIBUTE_UNUSED, asection *input_section, bfd *output_bfd, char **error_message ATTRIBUTE_UNUSED)
static bfd_boolean ppc_elf_mkobject (bfd *abfd)
static bfd_boolean ppc_elf_object_p (bfd *abfd)
static bfd_boolean ppc_elf_set_private_flags (bfd *abfd, flagword flags)
static bfd_boolean ppc_elf_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
static bfd_boolean ppc_elf_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
static char * ppc_elf_write_core_note (bfd *abfd, char *buf, int *bufsiz, int note_type,...)
static bfd_vma ppc_elf_plt_sym_val (bfd_vma i ATTRIBUTE_UNUSED, const asection *plt ATTRIBUTE_UNUSED, const arelent *rel)
static bfd_boolean ppc_elf_section_from_shdr (bfd *abfd, Elf_Internal_Shdr *hdr, const char *name, int shindex)
static bfd_boolean ppc_elf_fake_sections (bfd *abfd ATTRIBUTE_UNUSED, Elf_Internal_Shdr *shdr, asection *asect)
static int ppc_elf_additional_program_headers (bfd *abfd, struct bfd_link_info *info ATTRIBUTE_UNUSED)
static struct
bfd_elf_special_section
ppc_elf_get_sec_type_attr (bfd *abfd ATTRIBUTE_UNUSED, asection *sec)
static void apuinfo_list_init (void)
static void apuinfo_list_add (unsigned long value)
static unsigned apuinfo_list_length (void)
static unsigned long apuinfo_list_element (unsigned long number)
static void apuinfo_list_finish (void)
static void ppc_elf_begin_write_processing (bfd *abfd, struct bfd_link_info *link_info)
static bfd_boolean ppc_elf_write_section (bfd *abfd ATTRIBUTE_UNUSED, struct bfd_link_info *link_info ATTRIBUTE_UNUSED, asection *asec, bfd_byte *contents ATTRIBUTE_UNUSED)
static void ppc_elf_final_write_processing (bfd *abfd, bfd_boolean linker ATTRIBUTE_UNUSED)
static struct bfd_hash_entryppc_elf_link_hash_newfunc (struct bfd_hash_entry *entry, struct bfd_hash_table *table, const char *string)
static struct bfd_link_hash_tableppc_elf_link_hash_table_create (bfd *abfd)
static bfd_boolean ppc_elf_create_got (bfd *abfd, struct bfd_link_info *info)
static bfd_boolean ppc_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
static void ppc_elf_copy_indirect_symbol (struct bfd_link_info *info, struct elf_link_hash_entry *dir, struct elf_link_hash_entry *ind)
static bfd_boolean is_ppc_elf_target (const struct bfd_target *targ)
static bfd_boolean ppc_elf_add_symbol_hook (bfd *abfd, struct bfd_link_info *info, Elf_Internal_Sym *sym, const char **namep ATTRIBUTE_UNUSED, flagword *flagsp ATTRIBUTE_UNUSED, asection **secp, bfd_vma *valp)
static bfd_boolean create_sdata_sym (struct ppc_elf_link_hash_table *htab, elf_linker_section_t *lsect)
static bfd_boolean ppc_elf_create_linker_section (bfd *abfd, struct bfd_link_info *info, flagword flags, elf_linker_section_t *lsect)
static
elf_linker_section_pointers_t
elf_find_pointer_linker_section (elf_linker_section_pointers_t *linker_pointers, bfd_vma addend, elf_linker_section_t *lsect)
static bfd_boolean elf_create_pointer_linker_section (bfd *abfd, elf_linker_section_t *lsect, struct elf_link_hash_entry *h, const Elf_Internal_Rela *rel)
static bfd_boolean update_local_sym_info (bfd *abfd, Elf_Internal_Shdr *symtab_hdr, unsigned long r_symndx, int tls_type)
static bfd_boolean update_plt_info (bfd *abfd, struct elf_link_hash_entry *h, asection *sec, bfd_vma addend)
static struct plt_entryfind_plt_ent (struct elf_link_hash_entry *h, asection *sec, bfd_vma addend)
static void bad_shared_reloc (bfd *abfd, enum elf_ppc_reloc_type r_type)
static bfd_boolean ppc_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec, const Elf_Internal_Rela *relocs)
static bfd_boolean ppc_elf_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
int ppc_elf_select_plt_layout (bfd *output_bfd ATTRIBUTE_UNUSED, struct bfd_link_info *info, int force_old_plt, int emit_stub_syms)
static asectionppc_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 ppc_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info, asection *sec, const Elf_Internal_Rela *relocs)
asectionppc_elf_tls_setup (bfd *obfd, struct bfd_link_info *info)
bfd_boolean ppc_elf_tls_optimize (bfd *obfd ATTRIBUTE_UNUSED, struct bfd_link_info *info)
static bfd_boolean ppc_elf_adjust_dynamic_symbol (struct bfd_link_info *info, struct elf_link_hash_entry *h)
static bfd_boolean add_stub_sym (struct plt_entry *ent, struct elf_link_hash_entry *h, struct bfd_link_info *info)
static bfd_vma allocate_got (struct ppc_elf_link_hash_table *htab, unsigned int need)
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 *info)
static bfd_boolean ppc_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED, struct bfd_link_info *info)
static bfd_boolean ppc_elf_relax_section (bfd *abfd, asection *isec, struct bfd_link_info *link_info, bfd_boolean *again)
static unsigned int ppc_elf_action_discarded (asection *sec)
static bfd_vma elf_finish_pointer_linker_section (bfd *input_bfd, elf_linker_section_t *lsect, struct elf_link_hash_entry *h, bfd_vma relocation, const Elf_Internal_Rela *rel)
static bfd_boolean ppc_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 ppc_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 ppc_elf_reloc_type_class (const Elf_Internal_Rela *rela)
static bfd_boolean ppc_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
static struct
bfd_elf_special_section
ppc_elf_vxworks_get_sec_type_attr (bfd *abfd ATTRIBUTE_UNUSED, asection *sec)
static struct bfd_link_hash_tableppc_elf_vxworks_link_hash_table_create (bfd *abfd)
static bfd_boolean ppc_elf_vxworks_add_symbol_hook (bfd *abfd, struct bfd_link_info *info, Elf_Internal_Sym *sym, const char **namep ATTRIBUTE_UNUSED, flagword *flagsp ATTRIBUTE_UNUSED, asection **secp, bfd_vma *valp)
static void ppc_elf_vxworks_final_write_processing (bfd *abfd, bfd_boolean linker)

Variables

static const bfd_vma ppc_elf_vxworks_plt_entry [VXWORKS_PLT_ENTRY_SIZE/4]
static const bfd_vma ppc_elf_vxworks_pic_plt_entry [VXWORKS_PLT_ENTRY_SIZE/4]
static const bfd_vma ppc_elf_vxworks_plt0_entry [VXWORKS_PLT_INITIAL_ENTRY_SIZE/4]
static const bfd_vma ppc_elf_vxworks_pic_plt0_entry [VXWORKS_PLT_INITIAL_ENTRY_SIZE/4]
static reloc_howto_type * ppc_elf_howto_table [R_PPC_max]
static reloc_howto_type ppc_elf_howto_raw []
static struct bfd_elf_special_section []
static apuinfo_listhead
static const int shared_stub_entry []
static const int stub_entry []

Class Documentation

struct elf_linker_section

Definition at line 1678 of file elf32-ppc.c.

Collaboration diagram for elf_linker_section:
Class Members
const char * bss_name
const char * name
asection * section
struct elf_link_hash_entry * sym
const char * sym_name
struct elf_linker_section_pointers

Definition at line 1696 of file elf32-ppc.c.

Collaboration diagram for elf_linker_section_pointers:
Class Members
bfd_vma addend
elf_linker_section_t * lsect
struct
elf_linker_section_pointers *
next
bfd_vma offset
struct ppc_elf_obj_tdata

Definition at line 1708 of file elf32-ppc.c.

Collaboration diagram for ppc_elf_obj_tdata:
Class Members
elf_linker_section_pointers_t ** linker_section_pointers
struct apuinfo_list

Definition at line 2000 of file elf32-ppc.c.

Collaboration diagram for apuinfo_list:
Class Members
struct apuinfo_list * next
unsigned long value
struct ppc_elf_dyn_relocs

Definition at line 2293 of file elf32-ppc.c.

Collaboration diagram for ppc_elf_dyn_relocs:
Class Members
bfd_size_type count
struct ppc_elf_dyn_relocs * next
bfd_size_type pc_count
asection * sec
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_elf_link_hash_entry

Definition at line 2352 of file elf32-ppc.c.

Collaboration diagram for ppc_elf_link_hash_entry:
Class Members
struct ppc_elf_dyn_relocs * dyn_relocs
unsigned char has_sda_refs
elf_linker_section_pointers_t * linker_section_pointer
char tls_mask
struct ppc_elf_link_hash_table

Definition at line 2393 of file elf32-ppc.c.

Collaboration diagram for ppc_elf_link_hash_table:
Class Members
asection * dynbss
asection * dynsbss
asection * glink
bfd_vma glink_pltresolve
asection * got
unsigned int got_gap
unsigned int got_header_size
int is_vxworks
asection * plt
int plt_entry_size
int plt_initial_entry_size
int plt_slot_size
asection * relbss
asection * relgot
asection * relplt
asection * relsbss
asection * sbss
elf_linker_section_t sdata
asection * sgotplt
asection * srelplt2
enum ppc_elf_plt_type unsigned
int can_use_new_plt unsigned
int emit_stub_syms struct
sym_sec_cache:1:1
struct elf_link_hash_entry * tls_get_addr
union ppc_elf_link_hash_table tlsld_got
union plt_entry.plt

Definition at line 2323 of file elf32-ppc.c.

Class Members
bfd_vma offset
bfd_signed_vma refcount
union ppc_elf_link_hash_table.tlsld_got

Definition at line 2414 of file elf32-ppc.c.

Class Members
bfd_vma offset
bfd_signed_vma refcount

Define Documentation

#define ADD_0_11_11   0x7c0b5a14

Definition at line 136 of file elf32-ppc.c.

#define ADD_11_0_11   0x7d605a14

Definition at line 137 of file elf32-ppc.c.

#define add_dynamic_entry (   TAG,
  VAL 
)    _bfd_elf_add_dynamic_entry (info, TAG, VAL)
#define ADDI_11_11   0x396b0000

Definition at line 135 of file elf32-ppc.c.

#define ADDIS_11_11   0x3d6b0000

Definition at line 132 of file elf32-ppc.c.

#define ADDIS_11_30   0x3d7e0000

Definition at line 133 of file elf32-ppc.c.

#define ADDIS_12_12   0x3d8c0000

Definition at line 134 of file elf32-ppc.c.

#define APUINFO_LABEL   "APUinfo"

Definition at line 2080 of file elf32-ppc.c.

#define APUINFO_SECTION_NAME   ".PPC.EMB.apuinfo"

Definition at line 2079 of file elf32-ppc.c.

#define ARRAY_SIZE (   a)    (sizeof (a) / sizeof ((a)[0]))

Definition at line 5013 of file elf32-ppc.c.

IU B   0x48000000

Definition at line 138 of file elf32-ppc.c.

#define BCL_20_31   0x429f0005

Definition at line 139 of file elf32-ppc.c.

#define BCTR   0x4e800420

Definition at line 140 of file elf32-ppc.c.

Definition at line 7635 of file elf32-ppc.c.

Definition at line 7635 of file elf32-ppc.c.

Definition at line 7515 of file elf32-ppc.c.

Definition at line 7516 of file elf32-ppc.c.

Definition at line 7518 of file elf32-ppc.c.

Definition at line 7517 of file elf32-ppc.c.

Definition at line 7519 of file elf32-ppc.c.

Definition at line 7514 of file elf32-ppc.c.

#define BRANCH_PREDICT_BIT   0x200000

Definition at line 46 of file elf32-ppc.c.

#define DTP_OFFSET   0x8000

Definition at line 158 of file elf32-ppc.c.

#define elf32_bed   ppc_elf_vxworks_bed

Definition at line 7654 of file elf32-ppc.c.

#define ELF_ARCH   bfd_arch_powerpc

Definition at line 7490 of file elf32-ppc.c.

Definition at line 7546 of file elf32-ppc.c.

Definition at line 7638 of file elf32-ppc.c.

Definition at line 7638 of file elf32-ppc.c.

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Definition at line 7530 of file elf32-ppc.c.

Definition at line 7541 of file elf32-ppc.c.

Definition at line 7510 of file elf32-ppc.c.

#define elf_backend_can_refcount   1

Definition at line 7511 of file elf32-ppc.c.

Definition at line 7528 of file elf32-ppc.c.

Definition at line 7529 of file elf32-ppc.c.

Definition at line 7527 of file elf32-ppc.c.

Definition at line 7650 of file elf32-ppc.c.

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Definition at line 7533 of file elf32-ppc.c.

Definition at line 7523 of file elf32-ppc.c.

Definition at line 7524 of file elf32-ppc.c.

Definition at line 7647 of file elf32-ppc.c.

Definition at line 7647 of file elf32-ppc.c.

#define elf_backend_got_header_size   12

Definition at line 7632 of file elf32-ppc.c.

Definition at line 7626 of file elf32-ppc.c.

Definition at line 7537 of file elf32-ppc.c.

Definition at line 7538 of file elf32-ppc.c.

Definition at line 7547 of file elf32-ppc.c.

Definition at line 7641 of file elf32-ppc.c.

Definition at line 7522 of file elf32-ppc.c.

Definition at line 7628 of file elf32-ppc.c.

Definition at line 7628 of file elf32-ppc.c.

#define elf_backend_plt_readonly   1

Definition at line 7630 of file elf32-ppc.c.

Definition at line 7545 of file elf32-ppc.c.

#define elf_backend_rela_normal   1

Definition at line 7512 of file elf32-ppc.c.

Definition at line 7540 of file elf32-ppc.c.

Definition at line 7526 of file elf32-ppc.c.

Definition at line 7525 of file elf32-ppc.c.

Definition at line 7532 of file elf32-ppc.c.

#define elf_backend_want_got_plt   1

Definition at line 7624 of file elf32-ppc.c.

#define elf_backend_want_plt_sym   1

Definition at line 7622 of file elf32-ppc.c.

Definition at line 7539 of file elf32-ppc.c.

Definition at line 7543 of file elf32-ppc.c.

#define ELF_COMMONPAGESIZE   0x1000

Definition at line 7498 of file elf32-ppc.c.

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

Definition at line 54 of file elf32-ppc.c.

Definition at line 7499 of file elf32-ppc.c.

#define elf_local_ptr_offsets (   bfd)    (ppc_elf_tdata (bfd)->linker_section_pointers)

Definition at line 1720 of file elf32-ppc.c.

#define ELF_MACHINE_CODE   EM_PPC

Definition at line 7491 of file elf32-ppc.c.

#define ELF_MAXPAGESIZE   0x10000

Definition at line 7495 of file elf32-ppc.c.

#define ELF_MINPAGESIZE   0x1000

Definition at line 7497 of file elf32-ppc.c.

#define ELIMINATE_COPY_RELOCS   1

Definition at line 2348 of file elf32-ppc.c.

#define GLINK_ENTRY_SIZE   4*4

Definition at line 62 of file elf32-ppc.c.

#define GLINK_PLTRESOLVE   16*4

Definition at line 61 of file elf32-ppc.c.

#define LIS_11   0x3d600000

Definition at line 141 of file elf32-ppc.c.

#define LIS_12   0x3d800000

Definition at line 142 of file elf32-ppc.c.

#define LWZ_0_12   0x800c0000

Definition at line 144 of file elf32-ppc.c.

#define LWZ_11_11   0x816b0000

Definition at line 145 of file elf32-ppc.c.

#define LWZ_11_30   0x817e0000

Definition at line 146 of file elf32-ppc.c.

#define LWZ_12_12   0x818c0000

Definition at line 147 of file elf32-ppc.c.

#define LWZU_0_12   0x840c0000

Definition at line 143 of file elf32-ppc.c.

#define MFLR_0   0x7c0802a6

Definition at line 148 of file elf32-ppc.c.

#define MFLR_12   0x7d8802a6

Definition at line 149 of file elf32-ppc.c.

#define MTCTR_0   0x7c0903a6

Definition at line 150 of file elf32-ppc.c.

#define MTCTR_11   0x7d6903a6

Definition at line 151 of file elf32-ppc.c.

#define MTLR_0   0x7c0803a6

Definition at line 152 of file elf32-ppc.c.

#define MUST_BE_DYN_RELOC (   RTYPE)
Value:
((RTYPE) != R_PPC_REL24                   \
   && (RTYPE) != R_PPC_REL14                     \
   && (RTYPE) != R_PPC_REL14_BRTAKEN             \
   && (RTYPE) != R_PPC_REL14_BRNTAKEN            \
   && (RTYPE) != R_PPC_REL32)

Definition at line 2337 of file elf32-ppc.c.

#define NOP   0x60000000

Definition at line 153 of file elf32-ppc.c.

#define PLT_NUM_SINGLE_ENTRIES   8192

Definition at line 58 of file elf32-ppc.c.

#define ppc_elf_hash_entry (   ent)    ((struct ppc_elf_link_hash_entry *) (ent))

Definition at line 2382 of file elf32-ppc.c.

#define ppc_elf_hash_table (   p)    ((struct ppc_elf_link_hash_table *) (p)->hash)

Definition at line 2458 of file elf32-ppc.c.

#define ppc_elf_tdata (   bfd)    ((struct ppc_elf_obj_tdata *) (bfd)->tdata.any)

Definition at line 1717 of file elf32-ppc.c.

#define PPC_HA (   v)    PPC_HI ((v) + 0x8000)

Definition at line 6771 of file elf32-ppc.c.

#define PPC_HI (   v)    (((v) >> 16) & 0xffff)

Definition at line 6770 of file elf32-ppc.c.

#define PPC_LO (   v)    ((v) & 0xffff)

Definition at line 6769 of file elf32-ppc.c.

#define RA_REGISTER_MASK   0x001f0000

Definition at line 48 of file elf32-ppc.c.

#define RA_REGISTER_SHIFT   16

Definition at line 50 of file elf32-ppc.c.

#define SUB_11_11_12   0x7d6c5850

Definition at line 154 of file elf32-ppc.c.

#define TARGET_BIG_NAME   "elf32-powerpc"

Definition at line 7559 of file elf32-ppc.c.

#define TARGET_BIG_NAME   "elf32-powerpc-vxworks"

Definition at line 7559 of file elf32-ppc.c.

Definition at line 7557 of file elf32-ppc.c.

Definition at line 7557 of file elf32-ppc.c.

#define TARGET_LITTLE_NAME   "elf32-powerpcle"

Definition at line 7487 of file elf32-ppc.c.

Definition at line 7486 of file elf32-ppc.c.

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

Definition at line 2372 of file elf32-ppc.c.

#define TLS_GD   1 /* GD reloc. */

Definition at line 2369 of file elf32-ppc.c.

#define TLS_LD   2 /* LD reloc. */

Definition at line 2370 of file elf32-ppc.c.

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

Definition at line 2373 of file elf32-ppc.c.

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

Definition at line 2371 of file elf32-ppc.c.

#define TLS_TPRELGD   32 /* TPREL reloc resulting from GD->IE. */

Definition at line 2374 of file elf32-ppc.c.

#define TP_OFFSET   0x7000

Definition at line 157 of file elf32-ppc.c.

#define VXWORKS_PLT_ENTRY_SIZE   32

Definition at line 67 of file elf32-ppc.c.

Definition at line 94 of file elf32-ppc.c.

Definition at line 124 of file elf32-ppc.c.

#define VXWORKS_PLTRESOLVE_RELOCS   2

Definition at line 126 of file elf32-ppc.c.

Definition at line 129 of file elf32-ppc.c.


Typedef Documentation


Enumeration Type Documentation

Enumerator:
PLT_UNSET 
PLT_OLD 
PLT_NEW 
PLT_VXWORKS 

Definition at line 2384 of file elf32-ppc.c.


Function Documentation

static bfd_boolean add_stub_sym ( struct plt_entry ent,
struct elf_link_hash_entry h,
struct bfd_link_info info 
) [static]

Definition at line 4274 of file elf32-ppc.c.

{
  struct elf_link_hash_entry *sh;
  size_t len1, len2, len3;
  char *name;
  const char *stub;
  struct ppc_elf_link_hash_table *htab = ppc_elf_hash_table (info);

  if (info->shared || info->pie)
    stub = ".plt_pic32.";
  else
    stub = ".plt_call32.";

  len1 = strlen (h->root.root.string);
  len2 = strlen (stub);
  len3 = 0;
  if (ent->sec)
    len3 = strlen (ent->sec->name);
  name = bfd_malloc (len1 + len2 + len3 + 9);
  if (name == NULL)
    return FALSE;
  sprintf (name, "%08x", (unsigned) ent->addend & 0xffffffff);
  if (ent->sec)
    memcpy (name + 8, ent->sec->name, len3);
  memcpy (name + 8 + len3, stub, len2);
  memcpy (name + 8 + len3 + len2, h->root.root.string, len1 + 1);
  sh = elf_link_hash_lookup (&htab->elf, name, TRUE, FALSE, FALSE);
  if (sh == NULL)
    return FALSE;
  if (sh->root.type == bfd_link_hash_new)
    {
      sh->root.type = bfd_link_hash_defined;
      sh->root.u.def.section = htab->glink;
      sh->root.u.def.value = ent->glink_offset;
      sh->ref_regular = 1;
      sh->def_regular = 1;
      sh->ref_regular_nonweak = 1;
      sh->forced_local = 1;
      sh->non_elf = 0;
    }
  return TRUE;
}

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

Definition at line 4359 of file elf32-ppc.c.

{
  struct bfd_link_info *info = inf;
  struct ppc_elf_link_hash_entry *eh;
  struct ppc_elf_link_hash_table *htab;
  struct ppc_elf_dyn_relocs *p;

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

  if (h->root.type == bfd_link_hash_warning)
    /* When warning symbols are created, they **replace** the "real"
       entry in the hash table, thus we never get to see the real
       symbol in a hash traversal.  So look at it now.  */
    h = (struct elf_link_hash_entry *) h->root.u.i.link;

  htab = ppc_elf_hash_table (info);
  if (htab->elf.dynamic_sections_created)
    {
      struct plt_entry *ent;
      bfd_boolean doneone = FALSE;
      bfd_vma plt_offset = 0, glink_offset = 0;

      for (ent = h->plt.plist; ent != NULL; ent = ent->next)
       if (ent->plt.refcount > 0)
         {
           /* Make sure this symbol is output as a dynamic symbol.  */
           if (h->dynindx == -1
              && !h->forced_local)
             {
              if (! bfd_elf_link_record_dynamic_symbol (info, h))
                return FALSE;
             }

           if (info->shared
              || WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h))
             {
              asection *s = htab->plt;

              if (htab->plt_type == PLT_NEW)
                {
                  if (!doneone)
                    {
                     plt_offset = s->size;
                     s->size += 4;
                    }
                  ent->plt.offset = plt_offset;

                  s = htab->glink;
                  if (!doneone || info->shared || info->pie)
                    {
                     glink_offset = s->size;
                     s->size += GLINK_ENTRY_SIZE;
                    }
                  if (!doneone
                     && !info->shared
                     && !h->def_regular)
                    {
                     h->root.u.def.section = s;
                     h->root.u.def.value = glink_offset;
                    }
                  ent->glink_offset = glink_offset;

                  if (htab->emit_stub_syms
                     && !add_stub_sym (ent, h, info))
                    return FALSE;
                }
              else
                {
                  if (!doneone)
                    {
                     /* If this is the first .plt entry, make room
                        for the special first entry.  */
                     if (s->size == 0)
                       s->size += htab->plt_initial_entry_size;

                     /* The PowerPC PLT is actually composed of two
                        parts, the first part is 2 words (for a load
                        and a jump), and then there is a remaining
                        word available at the end.  */
                     plt_offset = (htab->plt_initial_entry_size
                                  + (htab->plt_slot_size
                                    * ((s->size
                                        - htab->plt_initial_entry_size)
                                       / htab->plt_entry_size)));

                     /* If this symbol is not defined in a regular
                        file, and we are not generating a shared
                        library, then set the symbol to this location
                        in the .plt.  This is required to make
                        function pointers compare as equal between
                        the normal executable and the shared library.  */
                     if (! info->shared
                         && !h->def_regular)
                       {
                         h->root.u.def.section = s;
                         h->root.u.def.value = plt_offset;
                       }

                     /* Make room for this entry.  */
                     s->size += htab->plt_entry_size;
                     /* After the 8192nd entry, room for two entries
                        is allocated.  */
                     if (htab->plt_type == PLT_OLD
                         && (s->size - htab->plt_initial_entry_size)
                            / htab->plt_entry_size
                            > PLT_NUM_SINGLE_ENTRIES)
                       s->size += htab->plt_entry_size;
                    }
                  ent->plt.offset = plt_offset;
                }

              /* We also need to make an entry in the .rela.plt section.  */
              if (!doneone)
                {
                  htab->relplt->size += sizeof (Elf32_External_Rela);

                  if (htab->plt_type == PLT_VXWORKS)
                    {
                     /* Allocate space for the unloaded relocations.  */
                     if (!info->shared)
                       {
                         if (ent->plt.offset
                            == (bfd_vma) htab->plt_initial_entry_size)
                           {
                            htab->srelplt2->size
                              += sizeof (Elf32_External_Rela)
                                  * VXWORKS_PLTRESOLVE_RELOCS;
                           }

                         htab->srelplt2->size
                           += sizeof (Elf32_External_Rela)
                              * VXWORKS_PLT_NON_JMP_SLOT_RELOCS;
                       }

                     /* Every PLT entry has an associated GOT entry in
                        .got.plt.  */
                     htab->sgotplt->size += 4;
                    }
                  doneone = TRUE;
                }
             }
           else
             ent->plt.offset = (bfd_vma) -1;
         }
       else
         ent->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_elf_link_hash_entry *) h;
  if (eh->elf.got.refcount > 0)
    {
      /* Make sure this symbol is output as a dynamic symbol.  */
      if (eh->elf.dynindx == -1
         && !eh->elf.forced_local)
       {
         if (!bfd_elf_link_record_dynamic_symbol (info, &eh->elf))
           return FALSE;
       }

      if (eh->tls_mask == (TLS_TLS | TLS_LD)
         && !eh->elf.def_dynamic)
       /* If just an LD reloc, we'll just use htab->tlsld_got.offset.  */
       eh->elf.got.offset = (bfd_vma) -1;
      else
       {
         bfd_boolean dyn;
         unsigned int need = 0;
         if ((eh->tls_mask & TLS_TLS) != 0)
           {
             if ((eh->tls_mask & TLS_LD) != 0)
              need += 8;
             if ((eh->tls_mask & TLS_GD) != 0)
              need += 8;
             if ((eh->tls_mask & (TLS_TPREL | TLS_TPRELGD)) != 0)
              need += 4;
             if ((eh->tls_mask & TLS_DTPREL) != 0)
              need += 4;
           }
         else
           need += 4;
         eh->elf.got.offset = allocate_got (htab, need);
         dyn = htab->elf.dynamic_sections_created;
         if ((info->shared
              || WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, &eh->elf))
             && (ELF_ST_VISIBILITY (eh->elf.other) == STV_DEFAULT
                || eh->elf.root.type != bfd_link_hash_undefweak))
           {
             /* All the entries we allocated need relocs.
               Except LD only needs one.  */
             if ((eh->tls_mask & TLS_LD) != 0)
              need -= 4;
             htab->relgot->size += need * (sizeof (Elf32_External_Rela) / 4);
           }
       }
    }
  else
    eh->elf.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_elf_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 undefined weak symbols are output as a dynamic
            symbol in PIEs.  */
         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 (Elf32_External_Rela);
    }

  return TRUE;
}

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static bfd_vma allocate_got ( struct ppc_elf_link_hash_table htab,
unsigned int  need 
) [static]

Definition at line 4323 of file elf32-ppc.c.

{
  bfd_vma where;
  unsigned int max_before_header;

  if (htab->plt_type == PLT_VXWORKS)
    {
      where = htab->got->size;
      htab->got->size += need;
    }
  else
    {
      max_before_header = htab->plt_type == PLT_NEW ? 32768 : 32764;
      if (need <= htab->got_gap)
       {
         where = max_before_header - htab->got_gap;
         htab->got_gap -= need;
       }
      else
       {
         if (htab->got->size + need > max_before_header
             && htab->got->size <= max_before_header)
           {
             htab->got_gap = max_before_header - htab->got->size;
             htab->got->size = max_before_header + htab->got_header_size;
           }
         where = htab->got->size;
         htab->got->size += need;
       }
    }
  return where;
}

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static void apuinfo_list_add ( unsigned long  value) [static]

Definition at line 2017 of file elf32-ppc.c.

{
  apuinfo_list *entry = head;

  while (entry != NULL)
    {
      if (entry->value == value)
       return;
      entry = entry->next;
    }

  entry = bfd_malloc (sizeof (* entry));
  if (entry == NULL)
    return;

  entry->value = value;
  entry->next  = head;
  head = entry;
}

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static unsigned long apuinfo_list_element ( unsigned long  number) [inline, static]

Definition at line 2052 of file elf32-ppc.c.

{
  apuinfo_list * entry;

  for (entry = head;
       entry && number --;
       entry = entry->next)
    ;

  return entry ? entry->value : 0;
}

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static void apuinfo_list_finish ( void  ) [static]

Definition at line 2065 of file elf32-ppc.c.

{
  apuinfo_list *entry;

  for (entry = head; entry;)
    {
      apuinfo_list *next = entry->next;
      free (entry);
      entry = next;
    }

  head = NULL;
}

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static void apuinfo_list_init ( void  ) [static]

Definition at line 2011 of file elf32-ppc.c.

{
  head = NULL;
}

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static unsigned apuinfo_list_length ( void  ) [static]

Definition at line 2038 of file elf32-ppc.c.

{
  apuinfo_list *entry;
  unsigned long count;

  for (entry = head, count = 0;
       entry;
       entry = entry->next)
    ++ count;

  return count;
}

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static void bad_shared_reloc ( bfd abfd,
enum elf_ppc_reloc_type  r_type 
) [static]

Definition at line 3012 of file elf32-ppc.c.

{
  (*_bfd_error_handler)
    (_("%B: relocation %s cannot be used when making a shared object"),
     abfd,
     ppc_elf_howto_table[r_type]->name);
  bfd_set_error (bfd_error_bad_value);
}

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Definition at line 2803 of file elf32-ppc.c.

{
  lsect->sym = elf_link_hash_lookup (&htab->elf, lsect->sym_name,
                                 TRUE, FALSE, TRUE);
  if (lsect->sym == NULL)
    return FALSE;
  if (lsect->sym->root.type == bfd_link_hash_new)
    lsect->sym->non_elf = 0;
  lsect->sym->ref_regular = 1;
  return TRUE;
}

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Definition at line 2863 of file elf32-ppc.c.

{
  elf_linker_section_pointers_t **ptr_linker_section_ptr = NULL;
  elf_linker_section_pointers_t *linker_section_ptr;
  unsigned long r_symndx = ELF32_R_SYM (rel->r_info);
  bfd_size_type amt;

  BFD_ASSERT (lsect != NULL);

  /* Is this a global symbol?  */
  if (h != NULL)
    {
      struct ppc_elf_link_hash_entry *eh;

      /* Has this symbol already been allocated?  If so, our work is done.  */
      eh = (struct ppc_elf_link_hash_entry *) h;
      if (elf_find_pointer_linker_section (eh->linker_section_pointer,
                                      rel->r_addend,
                                      lsect))
       return TRUE;

      ptr_linker_section_ptr = &eh->linker_section_pointer;
    }
  else
    {
      /* Allocation of a pointer to a local symbol.  */
      elf_linker_section_pointers_t **ptr = elf_local_ptr_offsets (abfd);

      /* Allocate a table to hold the local symbols if first time.  */
      if (!ptr)
       {
         unsigned int num_symbols = elf_tdata (abfd)->symtab_hdr.sh_info;

         amt = num_symbols;
         amt *= sizeof (elf_linker_section_pointers_t *);
         ptr = bfd_zalloc (abfd, amt);

         if (!ptr)
           return FALSE;

         elf_local_ptr_offsets (abfd) = ptr;
       }

      /* Has this symbol already been allocated?  If so, our work is done.  */
      if (elf_find_pointer_linker_section (ptr[r_symndx],
                                      rel->r_addend,
                                      lsect))
       return TRUE;

      ptr_linker_section_ptr = &ptr[r_symndx];
    }

  /* Allocate space for a pointer in the linker section, and allocate
     a new pointer record from internal memory.  */
  BFD_ASSERT (ptr_linker_section_ptr != NULL);
  amt = sizeof (elf_linker_section_pointers_t);
  linker_section_ptr = bfd_alloc (abfd, amt);

  if (!linker_section_ptr)
    return FALSE;

  linker_section_ptr->next = *ptr_linker_section_ptr;
  linker_section_ptr->addend = rel->r_addend;
  linker_section_ptr->lsect = lsect;
  *ptr_linker_section_ptr = linker_section_ptr;

  linker_section_ptr->offset = lsect->section->size;
  lsect->section->size += 4;

#ifdef DEBUG
  fprintf (stderr,
          "Create pointer in linker section %s, offset = %ld, section size = %ld\n",
          lsect->name, (long) linker_section_ptr->offset,
          (long) lsect->section->size);
#endif

  return TRUE;
}

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Definition at line 2849 of file elf32-ppc.c.

{
  for ( ; linker_pointers != NULL; linker_pointers = linker_pointers->next)
    if (lsect == linker_pointers->lsect && addend == linker_pointers->addend)
      return linker_pointers;

  return NULL;
}

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static bfd_vma elf_finish_pointer_linker_section ( bfd input_bfd,
elf_linker_section_t lsect,
struct elf_link_hash_entry h,
bfd_vma  relocation,
const Elf_Internal_Rela rel 
) [static]

Definition at line 5466 of file elf32-ppc.c.

{
  elf_linker_section_pointers_t *linker_section_ptr;

  BFD_ASSERT (lsect != NULL);

  if (h != NULL)
    {
      /* Handle global symbol.  */
      struct ppc_elf_link_hash_entry *eh;

      eh = (struct ppc_elf_link_hash_entry *) h;
      BFD_ASSERT (eh->elf.def_regular);
      linker_section_ptr = eh->linker_section_pointer;
    }
  else
    {
      /* Handle local symbol.  */
      unsigned long r_symndx = ELF32_R_SYM (rel->r_info);

      BFD_ASSERT (elf_local_ptr_offsets (input_bfd) != NULL);
      linker_section_ptr = elf_local_ptr_offsets (input_bfd)[r_symndx];
    }

  linker_section_ptr = elf_find_pointer_linker_section (linker_section_ptr,
                                                 rel->r_addend,
                                                 lsect);
  BFD_ASSERT (linker_section_ptr != NULL);

  /* Offset will always be a multiple of four, so use the bottom bit
     as a "written" flag.  */
  if ((linker_section_ptr->offset & 1) == 0)
    {
      bfd_put_32 (lsect->section->owner,
                relocation + linker_section_ptr->addend,
                lsect->section->contents + linker_section_ptr->offset);
      linker_section_ptr->offset += 1;
    }

  relocation = (lsect->section->output_offset
              + linker_section_ptr->offset - 1
              - 0x8000);

#ifdef DEBUG
  fprintf (stderr,
          "Finish pointer in linker section %s, offset = %ld (0x%lx)\n",
          lsect->name, (long) relocation, (long) relocation);
#endif

  /* Subtract out the addend, because it will get added back in by the normal
     processing.  */
  return relocation - linker_section_ptr->addend;
}

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static struct plt_entry* find_plt_ent ( struct elf_link_hash_entry h,
asection sec,
bfd_vma  addend 
) [static, read]

Definition at line 2999 of file elf32-ppc.c.

{
  struct plt_entry *ent;

  if (addend < 32768)
    sec = NULL;
  for (ent = h->plt.plist; ent != NULL; ent = ent->next)
    if (ent->sec == sec && ent->addend == addend)
      break;
  return ent;
}

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

Definition at line 2748 of file elf32-ppc.c.

{
  extern const bfd_target bfd_elf32_powerpc_vec;
  extern const bfd_target bfd_elf32_powerpc_vxworks_vec;
  extern const bfd_target bfd_elf32_powerpcle_vec;

  return (targ == &bfd_elf32_powerpc_vec
         || targ == &bfd_elf32_powerpc_vxworks_vec
         || targ == &bfd_elf32_powerpcle_vec);
}

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static unsigned int ppc_elf_action_discarded ( asection sec) [static]

Definition at line 5452 of file elf32-ppc.c.

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

  if (strcmp (".got2", sec->name) == 0)
    return 0;

  return _bfd_elf_default_action_discarded (sec);
}

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static bfd_boolean ppc_elf_add_symbol_hook ( bfd abfd,
struct bfd_link_info info,
Elf_Internal_Sym *  sym,
const char **namep  ATTRIBUTE_UNUSED,
flagword *flagsp  ATTRIBUTE_UNUSED,
asection **  secp,
bfd_vma valp 
) [static]

Definition at line 2763 of file elf32-ppc.c.

{
  if (sym->st_shndx == SHN_COMMON
      && !info->relocatable
      && sym->st_size <= elf_gp_size (abfd)
      && is_ppc_elf_target (info->hash->creator))
    {
      /* Common symbols less than or equal to -G nn bytes are automatically
        put into .sbss.  */
      struct ppc_elf_link_hash_table *htab;

      htab = ppc_elf_hash_table (info);
      if (htab->sbss == NULL)
       {
         flagword flags = SEC_IS_COMMON | SEC_LINKER_CREATED;

         if (!htab->elf.dynobj)
           htab->elf.dynobj = abfd;

         htab->sbss = bfd_make_section_anyway_with_flags (htab->elf.dynobj,
                                                    ".sbss",
                                                    flags);
         if (htab->sbss == NULL)
           return FALSE;
       }

      *secp = htab->sbss;
      *valp = sym->st_size;
    }

  return TRUE;
}

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static int ppc_elf_additional_program_headers ( bfd abfd,
struct bfd_link_info *info  ATTRIBUTE_UNUSED 
) [static]

Definition at line 1938 of file elf32-ppc.c.

{
  asection *s;
  int ret = 0;

  s = bfd_get_section_by_name (abfd, ".sbss2");
  if (s != NULL && (s->flags & SEC_ALLOC) != 0)
    ++ret;

  s = bfd_get_section_by_name (abfd, ".PPC.EMB.sbss0");
  if (s != NULL && (s->flags & SEC_ALLOC) != 0)
    ++ret;

  return ret;
}

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static bfd_reloc_status_type ppc_elf_addr16_ha_reloc ( bfd ,
arelent ,
asymbol ,
void *  ,
asection ,
bfd ,
char **   
) [static]
static bfd_reloc_status_type ppc_elf_addr16_ha_reloc ( bfd *abfd  ATTRIBUTE_UNUSED,
arelent reloc_entry,
asymbol symbol,
void *data  ATTRIBUTE_UNUSED,
asection input_section,
bfd output_bfd,
char **error_message  ATTRIBUTE_UNUSED 
) [static]

Definition at line 1615 of file elf32-ppc.c.

{
  bfd_vma relocation;

  if (output_bfd != NULL)
    {
      reloc_entry->address += input_section->output_offset;
      return bfd_reloc_ok;
    }

  if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
    return bfd_reloc_outofrange;

  if (bfd_is_com_section (symbol->section))
    relocation = 0;
  else
    relocation = symbol->value;

  relocation += symbol->section->output_section->vma;
  relocation += symbol->section->output_offset;
  relocation += reloc_entry->addend;
  if (reloc_entry->howto->pc_relative)
    relocation -= reloc_entry->address;

  reloc_entry->addend += (relocation & 0x8000) << 1;

  return bfd_reloc_continue;
}

Definition at line 4096 of file elf32-ppc.c.

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

#ifdef DEBUG
  fprintf (stderr, "ppc_elf_adjust_dynamic_symbol called for %s\n",
          h->root.root.string);
#endif

  /* Make sure we know what is going on here.  */
  htab = ppc_elf_hash_table (info);
  BFD_ASSERT (htab->elf.dynobj != NULL
             && (h->needs_plt
                || h->u.weakdef != NULL
                || (h->def_dynamic
                    && h->ref_regular
                    && !h->def_regular)));

  /* 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))
       {
         /* A PLT entry is not required/allowed when:

            1. We are not using ld.so; because then the PLT entry
            can't be set up, so we can't use one.  In this case,
            ppc_elf_adjust_dynamic_symbol won't even be called.

            2. GC has rendered the entry unused.

            3. We know for certain that a call to this symbol
            will go to this object, or will remain undefined.  */
         h->plt.plist = NULL;
         h->needs_plt = 0;
       }
      return TRUE;
    }
  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;
    }

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

  /* 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 we didn't find any dynamic relocs in read-only sections, then we'll
      be keeping the dynamic relocs and avoiding the copy reloc.  We can't
      do this if there are any small data relocations.  */
  if (ELIMINATE_COPY_RELOCS
      && !ppc_elf_hash_entry (h)->has_sda_refs)
    {
      struct ppc_elf_dyn_relocs *p;
      for (p = ppc_elf_hash_entry (h)->dyn_relocs; p != NULL; p = p->next)
       {
         s = p->sec->output_section;
         if (s != NULL && (s->flags & SEC_READONLY) != 0)
           break;
       }

      if (p == NULL)
       {
         h->non_got_ref = 0;
         return TRUE;
       }
    }

  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.

     Of course, if the symbol is referenced using SDAREL relocs, we
     must instead allocate it in .sbss.  */

  if (ppc_elf_hash_entry (h)->has_sda_refs)
    s = htab->dynsbss;
  else
    s = htab->dynbss;
  BFD_ASSERT (s != NULL);

  /* We must generate a R_PPC_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)
    {
      asection *srel;

      if (ppc_elf_hash_entry (h)->has_sda_refs)
       srel = htab->relsbss;
      else
       srel = htab->relbss;
      BFD_ASSERT (srel != NULL);
      srel->size += sizeof (Elf32_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->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 void ppc_elf_begin_write_processing ( bfd abfd,
struct bfd_link_info link_info 
) [static]

Definition at line 2086 of file elf32-ppc.c.

{
  bfd *ibfd;
  asection *asec;
  char *buffer;
  unsigned num_input_sections;
  bfd_size_type      output_section_size;
  unsigned i;
  unsigned num_entries;
  unsigned long      offset;
  unsigned long length;
  const char *error_message = NULL;

  if (link_info == NULL)
    return;

  /* Scan the input bfds, looking for apuinfo sections.  */
  num_input_sections = 0;
  output_section_size = 0;

  for (ibfd = link_info->input_bfds; ibfd; ibfd = ibfd->link_next)
    {
      asec = bfd_get_section_by_name (ibfd, APUINFO_SECTION_NAME);
      if (asec)
       {
         ++ num_input_sections;
         output_section_size += asec->size;
       }
    }

  /* We need at least one input sections
     in order to make merging worthwhile.  */
  if (num_input_sections < 1)
    return;

  /* Just make sure that the output section exists as well.  */
  asec = bfd_get_section_by_name (abfd, APUINFO_SECTION_NAME);
  if (asec == NULL)
    return;

  /* Allocate a buffer for the contents of the input sections.  */
  buffer = bfd_malloc (output_section_size);
  if (buffer == NULL)
    return;

  offset = 0;
  apuinfo_list_init ();

  /* Read in the input sections contents.  */
  for (ibfd = link_info->input_bfds; ibfd; ibfd = ibfd->link_next)
    {
      unsigned long datum;
      char *ptr;

      asec = bfd_get_section_by_name (ibfd, APUINFO_SECTION_NAME);
      if (asec == NULL)
       continue;

      length = asec->size;
      if (length < 24)
       {
         error_message = _("corrupt or empty %s section in %B");
         goto fail;
       }

      if (bfd_seek (ibfd, asec->filepos, SEEK_SET) != 0
         || (bfd_bread (buffer + offset, length, ibfd) != length))
       {
         error_message = _("unable to read in %s section from %B");
         goto fail;
       }

      /* Process the contents of the section.  */
      ptr = buffer + offset;
      error_message = _("corrupt %s section in %B");

      /* Verify the contents of the header.  Note - we have to
        extract the values this way in order to allow for a
        host whose endian-ness is different from the target.  */
      datum = bfd_get_32 (ibfd, ptr);
      if (datum != sizeof APUINFO_LABEL)
       goto fail;

      datum = bfd_get_32 (ibfd, ptr + 8);
      if (datum != 0x2)
       goto fail;

      if (strcmp (ptr + 12, APUINFO_LABEL) != 0)
       goto fail;

      /* Get the number of bytes used for apuinfo entries.  */
      datum = bfd_get_32 (ibfd, ptr + 4);
      if (datum + 20 != length)
       goto fail;

      /* Make sure that we do not run off the end of the section.  */
      if (offset + length > output_section_size)
       goto fail;

      /* Scan the apuinfo section, building a list of apuinfo numbers.  */
      for (i = 0; i < datum; i += 4)
       apuinfo_list_add (bfd_get_32 (ibfd, ptr + 20 + i));

      /* Update the offset.  */
      offset += length;
    }

  error_message = NULL;

  /* Compute the size of the output section.  */
  num_entries = apuinfo_list_length ();
  output_section_size = 20 + num_entries * 4;

  asec = bfd_get_section_by_name (abfd, APUINFO_SECTION_NAME);

  if (! bfd_set_section_size (abfd, asec, output_section_size))
    ibfd = abfd,
      error_message = _("warning: unable to set size of %s section in %B");

 fail:
  free (buffer);

  if (error_message)
    (*_bfd_error_handler) (error_message, ibfd, APUINFO_SECTION_NAME);
}

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

Definition at line 3026 of file elf32-ppc.c.

{
  struct ppc_elf_link_hash_table *htab;
  Elf_Internal_Shdr *symtab_hdr;
  struct elf_link_hash_entry **sym_hashes;
  const Elf_Internal_Rela *rel;
  const Elf_Internal_Rela *rel_end;
  asection *got2, *sreloc;

  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;

#ifdef DEBUG
  _bfd_error_handler ("ppc_elf_check_relocs called for section %A in %B",
                    sec, abfd);
#endif

  /* Initialize howto table if not already done.  */
  if (!ppc_elf_howto_table[R_PPC_ADDR32])
    ppc_elf_howto_init ();

  htab = ppc_elf_hash_table (info);
  symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
  sym_hashes = elf_sym_hashes (abfd);
  got2 = bfd_get_section_by_name (abfd, ".got2");
  sreloc = NULL;

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

      r_symndx = ELF32_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;
       }

      /* If a relocation refers to _GLOBAL_OFFSET_TABLE_, create the .got.
        This shows up in particular in an R_PPC_ADDR32 in the eabi
        startup code.  */
      if (h != NULL
         && htab->got == NULL
         && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
       {
         if (htab->elf.dynobj == NULL)
           htab->elf.dynobj = abfd;
         if (!ppc_elf_create_got (htab->elf.dynobj, info))
           return FALSE;
         BFD_ASSERT (h == htab->elf.hgot);
       }

      r_type = ELF32_R_TYPE (rel->r_info);
      switch (r_type)
       {
       case R_PPC_GOT_TLSLD16:
       case R_PPC_GOT_TLSLD16_LO:
       case R_PPC_GOT_TLSLD16_HI:
       case R_PPC_GOT_TLSLD16_HA:
         htab->tlsld_got.refcount += 1;
         tls_type = TLS_TLS | TLS_LD;
         goto dogottls;

       case R_PPC_GOT_TLSGD16:
       case R_PPC_GOT_TLSGD16_LO:
       case R_PPC_GOT_TLSGD16_HI:
       case R_PPC_GOT_TLSGD16_HA:
         tls_type = TLS_TLS | TLS_GD;
         goto dogottls;

       case R_PPC_GOT_TPREL16:
       case R_PPC_GOT_TPREL16_LO:
       case R_PPC_GOT_TPREL16_HI:
       case R_PPC_GOT_TPREL16_HA:
         if (info->shared)
           info->flags |= DF_STATIC_TLS;
         tls_type = TLS_TLS | TLS_TPREL;
         goto dogottls;

       case R_PPC_GOT_DTPREL16:
       case R_PPC_GOT_DTPREL16_LO:
       case R_PPC_GOT_DTPREL16_HI:
       case R_PPC_GOT_DTPREL16_HA:
         tls_type = TLS_TLS | TLS_DTPREL;
       dogottls:
         sec->has_tls_reloc = 1;
         /* Fall thru */

         /* GOT16 relocations */
       case R_PPC_GOT16:
       case R_PPC_GOT16_LO:
       case R_PPC_GOT16_HI:
       case R_PPC_GOT16_HA:
         /* This symbol requires a global offset table entry.  */
         if (htab->got == NULL)
           {
             if (htab->elf.dynobj == NULL)
              htab->elf.dynobj = abfd;
             if (!ppc_elf_create_got (htab->elf.dynobj, info))
              return FALSE;
           }
         if (h != NULL)
           {
             h->got.refcount += 1;
             ppc_elf_hash_entry (h)->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, tls_type))
             return FALSE;
         break;

         /* Indirect .sdata relocation.  */
       case R_PPC_EMB_SDAI16:
         if (info->shared)
           {
             bad_shared_reloc (abfd, r_type);
             return FALSE;
           }
         if (htab->sdata[0].section == NULL
             && !ppc_elf_create_linker_section (abfd, info, 0,
                                           &htab->sdata[0]))
           return FALSE;
         if (!elf_create_pointer_linker_section (abfd, &htab->sdata[0],
                                            h, rel))
           return FALSE;
         if (h != NULL)
           {
             ppc_elf_hash_entry (h)->has_sda_refs = TRUE;
             h->non_got_ref = TRUE;
           }
         break;

         /* Indirect .sdata2 relocation.  */
       case R_PPC_EMB_SDA2I16:
         if (info->shared)
           {
             bad_shared_reloc (abfd, r_type);
             return FALSE;
           }
         if (htab->sdata[1].section == NULL
             && !ppc_elf_create_linker_section (abfd, info, SEC_READONLY,
                                           &htab->sdata[1]))
           return FALSE;
         if (!elf_create_pointer_linker_section (abfd, &htab->sdata[1],
                                            h, rel))
           return FALSE;
         if (h != NULL)
           {
             ppc_elf_hash_entry (h)->has_sda_refs = TRUE;
             h->non_got_ref = TRUE;
           }
         break;

       case R_PPC_SDAREL16:
         if (info->shared)
           {
             bad_shared_reloc (abfd, r_type);
             return FALSE;
           }
         if (htab->sdata[0].sym == NULL
             && !create_sdata_sym (htab, &htab->sdata[0]))
           return FALSE;
         if (h != NULL)
           {
             ppc_elf_hash_entry (h)->has_sda_refs = TRUE;
             h->non_got_ref = TRUE;
           }
         break;

       case R_PPC_EMB_SDA2REL:
         if (info->shared)
           {
             bad_shared_reloc (abfd, r_type);
             return FALSE;
           }
         if (htab->sdata[1].sym == NULL
             && !create_sdata_sym (htab, &htab->sdata[1]))
           return FALSE;
         if (h != NULL)
           {
             ppc_elf_hash_entry (h)->has_sda_refs = TRUE;
             h->non_got_ref = TRUE;
           }
         break;

       case R_PPC_EMB_SDA21:
       case R_PPC_EMB_RELSDA:
         if (info->shared)
           {
             bad_shared_reloc (abfd, r_type);
             return FALSE;
           }
         if (htab->sdata[0].sym == NULL
             && !create_sdata_sym (htab, &htab->sdata[0]))
           return FALSE;
         if (htab->sdata[1].sym == NULL
             && !create_sdata_sym (htab, &htab->sdata[1]))
           return FALSE;
         if (h != NULL)
           {
             ppc_elf_hash_entry (h)->has_sda_refs = TRUE;
             h->non_got_ref = TRUE;
           }
         break;

       case R_PPC_EMB_NADDR32:
       case R_PPC_EMB_NADDR16:
       case R_PPC_EMB_NADDR16_LO:
       case R_PPC_EMB_NADDR16_HI:
       case R_PPC_EMB_NADDR16_HA:
         if (info->shared)
           {
             bad_shared_reloc (abfd, r_type);
             return FALSE;
           }
         if (h != NULL)
           h->non_got_ref = TRUE;
         break;

       case R_PPC_PLT32:
       case R_PPC_PLTREL24:
       case R_PPC_PLTREL32:
       case R_PPC_PLT16_LO:
       case R_PPC_PLT16_HI:
       case R_PPC_PLT16_HA:
#ifdef DEBUG
         fprintf (stderr, "Reloc requires a PLT entry\n");
#endif
         /* This symbol requires a procedure linkage table entry.  We
            actually build the entry in finish_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_error_handler) (_("%B(%A+0x%lx): %s reloc against "
                                   "local symbol"),
                                 abfd,
                                 sec,
                                 (long) rel->r_offset,
                                 ppc_elf_howto_table[r_type]->name);
             bfd_set_error (bfd_error_bad_value);
             return FALSE;
           }
         else
           {
             bfd_vma addend = r_type == R_PPC_PLTREL24 ? rel->r_addend : 0;

             h->needs_plt = 1;
             if (!update_plt_info (abfd, h, got2, 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_PPC_SECTOFF:
       case R_PPC_SECTOFF_LO:
       case R_PPC_SECTOFF_HI:
       case R_PPC_SECTOFF_HA:
       case R_PPC_DTPREL16:
       case R_PPC_DTPREL16_LO:
       case R_PPC_DTPREL16_HI:
       case R_PPC_DTPREL16_HA:
       case R_PPC_TOC16:
         break;

       case R_PPC_REL16:
       case R_PPC_REL16_LO:
       case R_PPC_REL16_HI:
       case R_PPC_REL16_HA:
         htab->can_use_new_plt = 1;
         break;

         /* These are just markers.  */
       case R_PPC_TLS:
       case R_PPC_EMB_MRKREF:
       case R_PPC_NONE:
       case R_PPC_max:
         break;

         /* These should only appear in dynamic objects.  */
       case R_PPC_COPY:
       case R_PPC_GLOB_DAT:
       case R_PPC_JMP_SLOT:
       case R_PPC_RELATIVE:
         break;

         /* These aren't handled yet.  We'll report an error later.  */
       case R_PPC_ADDR30:
       case R_PPC_EMB_RELSEC16:
       case R_PPC_EMB_RELST_LO:
       case R_PPC_EMB_RELST_HI:
       case R_PPC_EMB_RELST_HA:
       case R_PPC_EMB_BIT_FLD:
         break;

         /* This refers only to functions defined in the shared library.  */
       case R_PPC_LOCAL24PC:
         if (h && h == htab->elf.hgot && htab->plt_type == PLT_UNSET)
           htab->plt_type = PLT_OLD;
         break;

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

         /* We shouldn't really be seeing these.  */
       case R_PPC_TPREL32:
         if (info->shared)
           info->flags |= DF_STATIC_TLS;
         goto dodyn;

         /* Nor these.  */
       case R_PPC_DTPMOD32:
       case R_PPC_DTPREL32:
         goto dodyn;

       case R_PPC_TPREL16:
       case R_PPC_TPREL16_LO:
       case R_PPC_TPREL16_HI:
       case R_PPC_TPREL16_HA:
         if (info->shared)
           info->flags |= DF_STATIC_TLS;
         goto dodyn;

       case R_PPC_REL32:
         if (h == NULL
             && got2 != NULL
             && (sec->flags & SEC_CODE) != 0
             && (info->shared || info->pie)
             && htab->plt_type == PLT_UNSET)
           {
             /* Old -fPIC gcc code has .long LCTOC1-LCFx just before
               the start of a function, which assembles to a REL32
               reference to .got2.  If we detect one of these, then
               force the old PLT layout because the linker cannot
               reliably deduce the GOT pointer value needed for
               PLT call stubs.  */
             asection *s;

             s = bfd_section_from_r_symndx (abfd, &htab->sym_sec, sec,
                                        r_symndx);
             if (s == got2)
              htab->plt_type = PLT_OLD;
           }
         if (h == NULL || h == htab->elf.hgot)
           break;
         goto dodyn1;

       case R_PPC_REL24:
       case R_PPC_REL14:
       case R_PPC_REL14_BRTAKEN:
       case R_PPC_REL14_BRNTAKEN:
         if (h == NULL)
           break;
         if (h == htab->elf.hgot)
           {
             if (htab->plt_type == PLT_UNSET)
              htab->plt_type = PLT_OLD;
             break;
           }
         /* fall through */

       case R_PPC_ADDR32:
       case R_PPC_ADDR24:
       case R_PPC_ADDR16:
       case R_PPC_ADDR16_LO:
       case R_PPC_ADDR16_HI:
       case R_PPC_ADDR16_HA:
       case R_PPC_ADDR14:
       case R_PPC_ADDR14_BRTAKEN:
       case R_PPC_ADDR14_BRNTAKEN:
       case R_PPC_UADDR32:
       case R_PPC_UADDR16:
       dodyn1:
         if (h != NULL && !info->shared)
           {
             /* We may need a plt entry if the symbol turns out to be
               a function defined in a dynamic object.  */
             if (!update_plt_info (abfd, h, NULL, 0))
              return FALSE;

             /* We may need a copy reloc too.  */
             h->non_got_ref = 1;
           }

       dodyn:
         /* 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.  */
         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_elf_dyn_relocs *p;
             struct ppc_elf_dyn_relocs **head;

#ifdef DEBUG
             fprintf (stderr,
                     "ppc_elf_check_relocs needs to "
                     "create relocation for %s\n",
                     (h && h->root.root.string
                     ? h->root.root.string : "<unknown>"));
#endif
             if (sreloc == NULL)
              {
                const char *name;

                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;

                BFD_ASSERT (CONST_STRNEQ (name, ".rela")
                           && strcmp (bfd_get_section_name (abfd, sec),
                                    name + 5) == 0);

                if (htab->elf.dynobj == NULL)
                  htab->elf.dynobj = abfd;
                sreloc = bfd_get_section_by_name (htab->elf.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 (htab->elf.dynobj,
                                                     name,
                                                     flags);
                    if (sreloc == NULL
                       || ! bfd_set_section_alignment (htab->elf.dynobj,
                                                   sreloc, 2))
                     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 = &ppc_elf_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_elf_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;
       }
    }

  return TRUE;
}

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Definition at line 2639 of file elf32-ppc.c.

{
  struct ppc_elf_link_hash_entry *edir, *eind;

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

  if (eind->dyn_relocs != NULL)
    {
      if (edir->dyn_relocs != NULL)
       {
         struct ppc_elf_dyn_relocs **pp;
         struct ppc_elf_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_elf_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->tls_mask |= eind->tls_mask;
  edir->has_sda_refs |= eind->has_sda_refs;

  /* 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 the GOT refcount entries that we may have already seen to
     the symbol which just became indirect.  */
  edir->elf.got.refcount += eind->elf.got.refcount;
  eind->elf.got.refcount = 0;

  /* And plt entries.  */
  if (eind->elf.plt.plist != NULL)
    {
      if (edir->elf.plt.plist != NULL)
       {
         struct plt_entry **entp;
         struct plt_entry *ent;

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

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

      edir->elf.plt.plist = eind->elf.plt.plist;
      eind->elf.plt.plist = NULL;
    }

  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 ppc_elf_create_dynamic_sections ( bfd abfd,
struct bfd_link_info info 
) [static]

Definition at line 2579 of file elf32-ppc.c.

{
  struct ppc_elf_link_hash_table *htab;
  asection *s;
  flagword flags;

  htab = ppc_elf_hash_table (info);

  if (htab->got == NULL
      && !ppc_elf_create_got (abfd, info))
    return FALSE;

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

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

  s = bfd_make_section_anyway_with_flags (abfd, ".glink", flags | SEC_CODE);
  htab->glink = s;
  if (s == NULL
      || !bfd_set_section_alignment (abfd, s, 4))
    return FALSE;

  htab->dynbss = bfd_get_section_by_name (abfd, ".dynbss");
  s = bfd_make_section_with_flags (abfd, ".dynsbss",
                               SEC_ALLOC | SEC_LINKER_CREATED);
  htab->dynsbss = s;
  if (s == NULL)
    return FALSE;

  if (! info->shared)
    {
      htab->relbss = bfd_get_section_by_name (abfd, ".rela.bss");
      s = bfd_make_section_with_flags (abfd, ".rela.sbss", flags);
      htab->relsbss = s;
      if (s == NULL
         || ! bfd_set_section_alignment (abfd, s, 2))
       return FALSE;
    }

  if (htab->is_vxworks
      && !elf_vxworks_create_dynamic_sections (abfd, info, &htab->srelplt2))
    return FALSE;

  htab->relplt = bfd_get_section_by_name (abfd, ".rela.plt");
  htab->plt = s = bfd_get_section_by_name (abfd, ".plt");
  if (s == NULL)
    abort ();

  flags = SEC_ALLOC | SEC_CODE | SEC_LINKER_CREATED;
  if (htab->plt_type == PLT_VXWORKS)
    /* The VxWorks PLT is a loaded section with contents.  */
    flags |= SEC_HAS_CONTENTS | SEC_LOAD | SEC_READONLY;
  return bfd_set_section_flags (abfd, s, flags);
}

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

Definition at line 2534 of file elf32-ppc.c.

{
  struct ppc_elf_link_hash_table *htab;
  asection *s;
  flagword flags;

  if (!_bfd_elf_create_got_section (abfd, info))
    return FALSE;

  htab = ppc_elf_hash_table (info);
  htab->got = s = bfd_get_section_by_name (abfd, ".got");
  if (s == NULL)
    abort ();

  if (htab->is_vxworks)
    {
      htab->sgotplt = bfd_get_section_by_name (abfd, ".got.plt");
      if (!htab->sgotplt)
       abort ();
    }
  else
    {
      /* The powerpc .got has a blrl instruction in it.  Mark it
        executable.  */
      flags = (SEC_ALLOC | SEC_LOAD | SEC_CODE | SEC_HAS_CONTENTS
              | SEC_IN_MEMORY | SEC_LINKER_CREATED);
      if (!bfd_set_section_flags (abfd, s, flags))
       return FALSE;
    }

  flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
          | SEC_LINKER_CREATED | SEC_READONLY);
  htab->relgot = bfd_make_section_with_flags (abfd, ".rela.got", flags);
  if (!htab->relgot
      || ! bfd_set_section_alignment (abfd, htab->relgot, 2))
    return FALSE;

  return TRUE;
}

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static bfd_boolean ppc_elf_create_linker_section ( bfd abfd,
struct bfd_link_info info,
flagword  flags,
elf_linker_section_t lsect 
) [static]

Definition at line 2819 of file elf32-ppc.c.

{
  struct ppc_elf_link_hash_table *htab = ppc_elf_hash_table (info);
  asection *s;

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

  /* Record the first bfd that needs the special sections.  */
  if (!htab->elf.dynobj)
    htab->elf.dynobj = abfd;

  s = bfd_make_section_anyway_with_flags (htab->elf.dynobj,
                                     lsect->name,
                                     flags);
  if (s == NULL
      || !bfd_set_section_alignment (htab->elf.dynobj, s, 2))
    return FALSE;
  lsect->section = s;

  return create_sdata_sym (htab, lsect);
}

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static bfd_boolean ppc_elf_fake_sections ( bfd *abfd  ATTRIBUTE_UNUSED,
Elf_Internal_Shdr shdr,
asection asect 
) [static]

Definition at line 1921 of file elf32-ppc.c.

{
  if ((asect->flags & (SEC_GROUP | SEC_EXCLUDE)) == SEC_EXCLUDE)
    shdr->sh_flags |= SHF_EXCLUDE;

  if ((asect->flags & SEC_SORT_ENTRIES) != 0)
    shdr->sh_type = SHT_ORDERED;

  return TRUE;
}
static void ppc_elf_final_write_processing ( bfd abfd,
bfd_boolean linker  ATTRIBUTE_UNUSED 
) [static]

Definition at line 2228 of file elf32-ppc.c.

{
  bfd_byte *buffer;
  asection *asec;
  unsigned i;
  unsigned num_entries;
  bfd_size_type length;

  asec = bfd_get_section_by_name (abfd, APUINFO_SECTION_NAME);
  if (asec == NULL)
    return;

  if (apuinfo_list_length () == 0)
    return;

  length = asec->size;
  if (length < 20)
    return;

  buffer = bfd_malloc (length);
  if (buffer == NULL)
    {
      (*_bfd_error_handler)
       (_("failed to allocate space for new APUinfo section."));
      return;
    }

  /* Create the apuinfo header.  */
  num_entries = apuinfo_list_length ();
  bfd_put_32 (abfd, sizeof APUINFO_LABEL, buffer);
  bfd_put_32 (abfd, num_entries * 4, buffer + 4);
  bfd_put_32 (abfd, 0x2, buffer + 8);
  strcpy ((char *) buffer + 12, APUINFO_LABEL);

  length = 20;
  for (i = 0; i < num_entries; i++)
    {
      bfd_put_32 (abfd, apuinfo_list_element (i), buffer + length);
      length += 4;
    }

  if (length != asec->size)
    (*_bfd_error_handler) (_("failed to compute new APUinfo section."));

  if (! bfd_set_section_contents (abfd, asec, buffer, (file_ptr) 0, length))
    (*_bfd_error_handler) (_("failed to install new APUinfo section."));

  free (buffer);

  apuinfo_list_finish ();
}

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

Definition at line 7121 of file elf32-ppc.c.

{
  asection *sdyn;
  asection *splt;
  struct ppc_elf_link_hash_table *htab;
  bfd_vma got;
  bfd * dynobj;

#ifdef DEBUG
  fprintf (stderr, "ppc_elf_finish_dynamic_sections called\n");
#endif

  htab = ppc_elf_hash_table (info);
  dynobj = elf_hash_table (info)->dynobj;
  sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
  if (htab->is_vxworks)
    splt = bfd_get_section_by_name (dynobj, ".plt");  
  else
    splt = NULL;

  got = 0;
  if (htab->elf.hgot != NULL)
    got = (htab->elf.hgot->root.u.def.value
          + htab->elf.hgot->root.u.def.section->output_section->vma
          + htab->elf.hgot->root.u.def.section->output_offset);

  if (htab->elf.dynamic_sections_created)
    {
      Elf32_External_Dyn *dyncon, *dynconend;

      BFD_ASSERT (htab->plt != NULL && sdyn != NULL);

      dyncon = (Elf32_External_Dyn *) sdyn->contents;
      dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
      for (; dyncon < dynconend; dyncon++)
       {
         Elf_Internal_Dyn dyn;
         asection *s;

         bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);

         switch (dyn.d_tag)
           {
           case DT_PLTGOT:
             if (htab->is_vxworks)
              s = htab->sgotplt;
             else
              s = htab->plt;
             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_JMPREL:
             s = htab->relplt;
             dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
             break;

           case DT_PPC_GOT:
             dyn.d_un.d_ptr = got;
             break;

           case DT_RELASZ:
             if (htab->is_vxworks)
              {
                if (htab->relplt)
                  dyn.d_un.d_ptr -= htab->relplt->size;
                break;
              }
             continue;

           default:
             continue;
           }

         bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
       }
    }

  /* Add a blrl instruction at _GLOBAL_OFFSET_TABLE_-4 so that a function can
     easily find the address of the _GLOBAL_OFFSET_TABLE_.  */
  if (htab->got != NULL)
    {
      unsigned char *p = htab->got->contents;
      bfd_vma val;

      p += htab->elf.hgot->root.u.def.value;
      if (htab->plt_type == PLT_OLD)
       bfd_put_32 (output_bfd, 0x4e800021 /* blrl */, p - 4);

      val = 0;
      if (sdyn != NULL)
       val = sdyn->output_section->vma + sdyn->output_offset;
      bfd_put_32 (output_bfd, val, p);

      elf_section_data (htab->got->output_section)->this_hdr.sh_entsize = 4;
    }

  /* Fill in the first entry in the VxWorks procedure linkage table.  */
  if (splt && splt->size > 0)
    {
      /* Use the right PLT. */
      static const bfd_vma *plt_entry = NULL;
      plt_entry = info->shared ? 
       ppc_elf_vxworks_pic_plt0_entry : ppc_elf_vxworks_plt0_entry;

      if (!info->shared)
       {
         bfd_vma got_value =
           (htab->elf.hgot->root.u.def.section->output_section->vma
            + htab->elf.hgot->root.u.def.section->output_offset
            + htab->elf.hgot->root.u.def.value);
         bfd_vma got_hi = (got_value >> 16) + ((got_value & 0x8000) >> 15);

         bfd_put_32 (output_bfd, plt_entry[0] | (got_hi & 0xffff),
                    splt->contents +  0);
         bfd_put_32 (output_bfd, plt_entry[1] | (got_value & 0xffff),
                    splt->contents +  4);
       }
      else
       {
         bfd_put_32 (output_bfd, plt_entry[0], splt->contents +  0);
         bfd_put_32 (output_bfd, plt_entry[1], splt->contents +  4);
       }
      bfd_put_32 (output_bfd, plt_entry[2], splt->contents +  8);
      bfd_put_32 (output_bfd, plt_entry[3], splt->contents + 12);
      bfd_put_32 (output_bfd, plt_entry[4], splt->contents + 16);
      bfd_put_32 (output_bfd, plt_entry[5], splt->contents + 20);
      bfd_put_32 (output_bfd, plt_entry[6], splt->contents + 24);
      bfd_put_32 (output_bfd, plt_entry[7], splt->contents + 28);

      if (! info->shared)
       {
         Elf_Internal_Rela rela;
         bfd_byte *loc;

         loc = htab->srelplt2->contents;

         /* Output the @ha relocation for the first instruction.  */
         rela.r_offset = (htab->plt->output_section->vma
                        + htab->plt->output_offset
                        + 2);
         rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_PPC_ADDR16_HA);
         rela.r_addend = 0;
         bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
         loc += sizeof (Elf32_External_Rela);
         
         /* Output the @l relocation for the second instruction.  */
         rela.r_offset = (htab->plt->output_section->vma
                        + htab->plt->output_offset
                        + 6);
         rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_PPC_ADDR16_LO);
         rela.r_addend = 0;
         bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
         loc += sizeof (Elf32_External_Rela);

         /* Fix up the remaining relocations.  They may have the wrong
            symbol index for _G_O_T_ or _P_L_T_ depending on the order
            in which symbols were output.  */
         while (loc < htab->srelplt2->contents + htab->srelplt2->size)
           {
             Elf_Internal_Rela rel;

             bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
             rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_PPC_ADDR16_HA);
             bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
             loc += sizeof (Elf32_External_Rela);

             bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
             rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_PPC_ADDR16_LO);
             bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
             loc += sizeof (Elf32_External_Rela);

             bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
             rel.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_PPC_ADDR32);
             bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
             loc += sizeof (Elf32_External_Rela);
           }
       }
    }

  if (htab->glink != NULL && htab->glink->contents != NULL)
    {
      unsigned char *p;
      unsigned char *endp;
      bfd_vma res0;
      unsigned int i;

      /*
       * PIC glink code is the following:
       *
       * # ith PLT code stub.
       *   addis 11,30,(plt+(i-1)*4-got)@ha
       *   lwz 11,(plt+(i-1)*4-got)@l(11)
       *   mtctr 11
       *   bctr
       *
       * # A table of branches, one for each plt entry.
       * # The idea is that the plt call stub loads ctr (and r11) with these
       * # addresses, so (r11 - res_0) gives the plt index * 4.
       * res_0:      b PLTresolve
       * res_1:      b PLTresolve
       * .
       * # Some number of entries towards the end can be nops
       * res_n_m3: nop
       * res_n_m2: nop
       * res_n_m1:
       *
       * PLTresolve:
       *    addis 11,11,(1f-res_0)@ha
       *    mflr 0
       *    bcl 20,31,1f
       * 1: addi 11,11,(1b-res_0)@l
       *    mflr 12
       *    mtlr 0
       *    sub 11,11,12                # r11 = index * 4
       *    addis 12,12,(got+4-1b)@ha
       *    lwz 0,(got+4-1b)@l(12)      # got[1] address of dl_runtime_resolve
       *    lwz 12,(got+8-1b)@l(12)     # got[2] contains the map address
       *    mtctr 0
       *    add 0,11,11
       *    add 11,0,11                 # r11 = index * 12 = reloc offset.
       *    bctr
       */
      static const unsigned int pic_plt_resolve[] =
       {
         ADDIS_11_11,
         MFLR_0,
         BCL_20_31,
         ADDI_11_11,
         MFLR_12,
         MTLR_0,
         SUB_11_11_12,
         ADDIS_12_12,
         LWZ_0_12,
         LWZ_12_12,
         MTCTR_0,
         ADD_0_11_11,
         ADD_11_0_11,
         BCTR,
         NOP,
         NOP
       };

      static const unsigned int plt_resolve[] =
       {
         LIS_12,
         ADDIS_11_11,
         LWZ_0_12,
         ADDI_11_11,
         MTCTR_0,
         ADD_0_11_11,
         LWZ_12_12,
         ADD_11_0_11,
         BCTR,
         NOP,
         NOP,
         NOP,
         NOP,
         NOP,
         NOP,
         NOP
       };

      if (ARRAY_SIZE (pic_plt_resolve) != GLINK_PLTRESOLVE / 4)
       abort ();
      if (ARRAY_SIZE (plt_resolve) != GLINK_PLTRESOLVE / 4)
       abort ();

      /* Build the branch table, one for each plt entry (less one),
        and perhaps some padding.  */
      p = htab->glink->contents;
      p += htab->glink_pltresolve;
      endp = htab->glink->contents;
      endp += htab->glink->size - GLINK_PLTRESOLVE;
      while (p < endp - 8 * 4)
       {
         bfd_put_32 (output_bfd, B + endp - p, p);
         p += 4;
       }
      while (p < endp)
       {
         bfd_put_32 (output_bfd, NOP, p);
         p += 4;
       }

      res0 = (htab->glink_pltresolve
             + htab->glink->output_section->vma
             + htab->glink->output_offset);

      /* Last comes the PLTresolve stub.  */
      if (info->shared || info->pie)
       {
         bfd_vma bcl;

         for (i = 0; i < ARRAY_SIZE (pic_plt_resolve); i++)
           {
             bfd_put_32 (output_bfd, pic_plt_resolve[i], p);
             p += 4;
           }
         p -= 4 * ARRAY_SIZE (pic_plt_resolve);

         bcl = (htab->glink->size - GLINK_PLTRESOLVE + 3*4
               + htab->glink->output_section->vma
               + htab->glink->output_offset);

         bfd_put_32 (output_bfd,
                    ADDIS_11_11 + PPC_HA (bcl - res0), p + 0*4);
         bfd_put_32 (output_bfd,
                    ADDI_11_11 + PPC_LO (bcl - res0), p + 3*4);
         bfd_put_32 (output_bfd,
                    ADDIS_12_12 + PPC_HA (got + 4 - bcl), p + 7*4);
         if (PPC_HA (got + 4 - bcl) == PPC_HA (got + 8 - bcl))
           {
             bfd_put_32 (output_bfd,
                       LWZ_0_12 + PPC_LO (got + 4 - bcl), p + 8*4);
             bfd_put_32 (output_bfd,
                       LWZ_12_12 + PPC_LO (got + 8 - bcl), p + 9*4);
           }
         else
           {
             bfd_put_32 (output_bfd,
                       LWZU_0_12 + PPC_LO (got + 4 - bcl), p + 8*4);
             bfd_put_32 (output_bfd,
                       LWZ_12_12 + 4, p + 9*4);
           }
       }
      else
       {
         for (i = 0; i < ARRAY_SIZE (plt_resolve); i++)
           {
             bfd_put_32 (output_bfd, plt_resolve[i], p);
             p += 4;
           }
         p -= 4 * ARRAY_SIZE (plt_resolve);

         bfd_put_32 (output_bfd,
                    LIS_12 + PPC_HA (got + 4), p + 0*4);
         bfd_put_32 (output_bfd,
                    ADDIS_11_11 + PPC_HA (-res0), p + 1*4);
         bfd_put_32 (output_bfd,
                    ADDI_11_11 + PPC_LO (-res0), p + 3*4);
         if (PPC_HA (got + 4) == PPC_HA (got + 8))
           {
             bfd_put_32 (output_bfd,
                       LWZ_0_12 + PPC_LO (got + 4), p + 2*4);
             bfd_put_32 (output_bfd,
                       LWZ_12_12 + PPC_LO (got + 8), p + 6*4);
           }
         else
           {
             bfd_put_32 (output_bfd,
                       LWZU_0_12 + PPC_LO (got + 4), p + 2*4);
             bfd_put_32 (output_bfd,
                       LWZ_12_12 + 4, p + 6*4);
           }
       }
    }

  return TRUE;
}

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static bfd_boolean ppc_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 6777 of file elf32-ppc.c.

{
  struct ppc_elf_link_hash_table *htab;
  struct plt_entry *ent;
  bfd_boolean doneone;

#ifdef DEBUG
  fprintf (stderr, "ppc_elf_finish_dynamic_symbol called for %s",
          h->root.root.string);
#endif

  htab = ppc_elf_hash_table (info);
  BFD_ASSERT (htab->elf.dynobj != NULL);

  doneone = FALSE;
  for (ent = h->plt.plist; ent != NULL; ent = ent->next)
    if (ent->plt.offset != (bfd_vma) -1)
      {
       if (!doneone)
         {
           Elf_Internal_Rela rela;
           bfd_byte *loc;
           bfd_vma reloc_index;

           if (htab->plt_type == PLT_NEW)
             reloc_index = ent->plt.offset / 4;
           else
             {
              reloc_index = ((ent->plt.offset - htab->plt_initial_entry_size)
                            / htab->plt_slot_size);
              if (reloc_index > PLT_NUM_SINGLE_ENTRIES
                  && htab->plt_type == PLT_OLD)
                reloc_index -= (reloc_index - PLT_NUM_SINGLE_ENTRIES) / 2;
             }

           /* This symbol has an entry in the procedure linkage table.
              Set it up.  */
           if (htab->plt_type == PLT_VXWORKS)
             {
              bfd_vma got_offset;
              const bfd_vma *plt_entry;
              
              /* The first three entries in .got.plt are reserved.  */
              got_offset = (reloc_index + 3) * 4;

              /* Use the right PLT. */
              plt_entry = info->shared ? ppc_elf_vxworks_pic_plt_entry
                         : ppc_elf_vxworks_plt_entry;

              /* Fill in the .plt on VxWorks.  */
              if (info->shared)
                {
                  bfd_vma got_offset_hi = (got_offset >> 16)
                                       + ((got_offset & 0x8000) >> 15);

                  bfd_put_32 (output_bfd,
                            plt_entry[0] | (got_offset_hi & 0xffff),
                            htab->plt->contents + ent->plt.offset + 0);
                  bfd_put_32 (output_bfd,
                            plt_entry[1] | (got_offset & 0xffff),
                            htab->plt->contents + ent->plt.offset + 4);
                }
              else
                {
                  bfd_vma got_loc
                    = (got_offset
                      + htab->elf.hgot->root.u.def.value
                      + htab->elf.hgot->root.u.def.section->output_offset
                      + htab->elf.hgot->root.u.def.section->output_section->vma);
                  bfd_vma got_loc_hi = (got_loc >> 16)
                                    + ((got_loc & 0x8000) >> 15);

                  bfd_put_32 (output_bfd,
                            plt_entry[0] | (got_loc_hi & 0xffff),
                            htab->plt->contents + ent->plt.offset + 0);
                  bfd_put_32 (output_bfd,
                            plt_entry[1] | (got_loc & 0xffff),
                            htab->plt->contents + ent->plt.offset + 4);
                }

              bfd_put_32 (output_bfd, plt_entry[2],
                         htab->plt->contents + ent->plt.offset + 8);
              bfd_put_32 (output_bfd, plt_entry[3],
                         htab->plt->contents + ent->plt.offset + 12);

              /* This instruction is an immediate load.  The value loaded is
                 the byte offset of the R_PPC_JMP_SLOT relocation from the
                 start of the .rela.plt section.  The value is stored in the
                 low-order 16 bits of the load instruction.  */
              /* NOTE: It appears that this is now an index rather than a
                 prescaled offset.  */
              bfd_put_32 (output_bfd, 
                         plt_entry[4] | reloc_index,
                         htab->plt->contents + ent->plt.offset + 16);
              /* This instruction is a PC-relative branch whose target is
                 the start of the PLT section.  The address of this branch
                 instruction is 20 bytes beyond the start of this PLT entry.
                 The address is encoded in bits 6-29, inclusive.  The value
                 stored is right-shifted by two bits, permitting a 26-bit
                 offset.  */
              bfd_put_32 (output_bfd, 
                         (plt_entry[5] 
                          | (-(ent->plt.offset + 20) & 0x03fffffc)),
                         htab->plt->contents + ent->plt.offset + 20);
              bfd_put_32 (output_bfd, plt_entry[6],
                         htab->plt->contents + ent->plt.offset + 24);
              bfd_put_32 (output_bfd, plt_entry[7],
                         htab->plt->contents + ent->plt.offset + 28);

              /* Fill in the GOT entry corresponding to this PLT slot with
                 the address immediately after the the "bctr" instruction
                 in this PLT entry.  */
              bfd_put_32 (output_bfd, (htab->plt->output_section->vma
                                    + htab->plt->output_offset
                                    + ent->plt.offset + 16),
                         htab->sgotplt->contents + got_offset);

              if (!info->shared)
                {
                  /* Fill in a couple of entries in .rela.plt.unloaded.  */
                  loc = htab->srelplt2->contents
                    + ((VXWORKS_PLTRESOLVE_RELOCS + reloc_index
                       * VXWORKS_PLT_NON_JMP_SLOT_RELOCS)
                      * sizeof (Elf32_External_Rela));

                  /* Provide the @ha relocation for the first instruction.  */
                  rela.r_offset = (htab->plt->output_section->vma
                                 + htab->plt->output_offset
                                 + ent->plt.offset + 2);
                  rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx,
                                          R_PPC_ADDR16_HA);
                  rela.r_addend = got_offset;
                  bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
                  loc += sizeof (Elf32_External_Rela);

                  /* Provide the @l relocation for the second instruction.  */
                  rela.r_offset = (htab->plt->output_section->vma
                                 + htab->plt->output_offset
                                 + ent->plt.offset + 6);
                  rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx,
                                          R_PPC_ADDR16_LO);
                  rela.r_addend = got_offset;
                  bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
                  loc += sizeof (Elf32_External_Rela);

                  /* Provide a relocation for the GOT entry corresponding to this
                     PLT slot.  Point it at the middle of the .plt entry.  */
                  rela.r_offset = (htab->sgotplt->output_section->vma
                                 + htab->sgotplt->output_offset
                                 + got_offset);
                  rela.r_info = ELF32_R_INFO (htab->elf.hplt->indx,
                                          R_PPC_ADDR32);
                  rela.r_addend = ent->plt.offset + 16;
                  bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
                }

              /* VxWorks uses non-standard semantics for R_PPC_JMP_SLOT.
                 In particular, the offset for the relocation is not the
                 address of the PLT entry for this function, as specified
                 by the ABI.  Instead, the offset is set to the address of
                 the GOT slot for this function.  See EABI 4.4.4.1.  */
              rela.r_offset = (htab->sgotplt->output_section->vma
                             + htab->sgotplt->output_offset
                             + got_offset);

             }
           else
             {
              rela.r_offset = (htab->plt->output_section->vma
                             + htab->plt->output_offset
                             + ent->plt.offset);
              if (htab->plt_type == PLT_OLD)
                {
                  /* We don't need to fill in the .plt.  The ppc dynamic
                     linker will fill it in.  */
                }
              else
                {
                  bfd_vma val = (htab->glink_pltresolve + ent->plt.offset
                               + htab->glink->output_section->vma
                               + htab->glink->output_offset);
                  bfd_put_32 (output_bfd, val,
                            htab->plt->contents + ent->plt.offset);
                }
             }

           /* Fill in the entry in the .rela.plt section.  */
           rela.r_info = ELF32_R_INFO (h->dynindx, R_PPC_JMP_SLOT);
           rela.r_addend = 0;

           loc = (htab->relplt->contents
                 + reloc_index * sizeof (Elf32_External_Rela));
           bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);

           if (!h->def_regular)
             {
              /* Mark the symbol as undefined, rather than as defined in
                 the .plt section.  Leave the value alone.  */
              sym->st_shndx = SHN_UNDEF;
              /* If the symbol is weak, we do need to clear the value.
                 Otherwise, the PLT entry would provide a definition for
                 the symbol even if the symbol wasn't defined anywhere,
                 and so the symbol would never be NULL.  */
              if (!h->ref_regular_nonweak)
                sym->st_value = 0;
             }
           doneone = TRUE;
         }

       if (htab->plt_type == PLT_NEW)
         {
           bfd_vma plt;
           unsigned char *p;

           plt = (ent->plt.offset
                 + htab->plt->output_section->vma
                 + htab->plt->output_offset);
           p = (unsigned char *) htab->glink->contents + ent->glink_offset;

           if (info->shared || info->pie)
             {
              bfd_vma got = 0;

              if (ent->addend >= 32768)
                got = (ent->addend
                      + ent->sec->output_section->vma
                      + ent->sec->output_offset);
              else if (htab->elf.hgot != NULL)
                got = (htab->elf.hgot->root.u.def.value
                      + htab->elf.hgot->root.u.def.section->output_section->vma
                      + htab->elf.hgot->root.u.def.section->output_offset);

              plt -= got;

              if (plt + 0x8000 < 0x10000)
                {
                  bfd_put_32 (output_bfd, LWZ_11_30 + PPC_LO (plt), p);
                  p += 4;
                  bfd_put_32 (output_bfd, MTCTR_11, p);
                  p += 4;
                  bfd_put_32 (output_bfd, BCTR, p);
                  p += 4;
                  bfd_put_32 (output_bfd, NOP, p);
                  p += 4;
                }
              else
                {
                  bfd_put_32 (output_bfd, ADDIS_11_30 + PPC_HA (plt), p);
                  p += 4;
                  bfd_put_32 (output_bfd, LWZ_11_11 + PPC_LO (plt), p);
                  p += 4;
                  bfd_put_32 (output_bfd, MTCTR_11, p);
                  p += 4;
                  bfd_put_32 (output_bfd, BCTR, p);
                  p += 4;
                }
             }
           else
             {
              bfd_put_32 (output_bfd, LIS_11 + PPC_HA (plt), p);
              p += 4;
              bfd_put_32 (output_bfd, LWZ_11_11 + PPC_LO (plt), p);
              p += 4;
              bfd_put_32 (output_bfd, MTCTR_11, p);
              p += 4;
              bfd_put_32 (output_bfd, BCTR, p);
              p += 4;

              /* We only need one non-PIC glink stub.  */
              break;
             }
         }
       else
         break;
      }

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

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

#ifdef DEBUG
      fprintf (stderr, ", copy");
#endif

      BFD_ASSERT (h->dynindx != -1);

      if (ppc_elf_hash_entry (h)->has_sda_refs)
       s = htab->relsbss;
      else
       s = htab->relbss;
      BFD_ASSERT (s != NULL);

      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 = ELF32_R_INFO (h->dynindx, R_PPC_COPY);
      rela.r_addend = 0;
      loc = s->contents + s->reloc_count++ * sizeof (Elf32_External_Rela);
      bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
    }

#ifdef DEBUG
  fprintf (stderr, "\n");
#endif

  /* Mark some specially defined symbols as absolute.  */
  if (strcmp (h->root.root.string, "_DYNAMIC") == 0
      || (!htab->is_vxworks
         && (h == htab->elf.hgot
             || strcmp (h->root.root.string,
                      "_PROCEDURE_LINKAGE_TABLE_") == 0)))
    sym->st_shndx = SHN_ABS;

  return TRUE;
}

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static asection* ppc_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 3719 of file elf32-ppc.c.

{
  if (h != NULL)
    switch (ELF32_R_TYPE (rel->r_info))
      {
      case R_PPC_GNU_VTINHERIT:
      case R_PPC_GNU_VTENTRY:
       return NULL;
      }

  return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
}

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

Definition at line 3740 of file elf32-ppc.c.

{
  struct ppc_elf_link_hash_table *htab;
  Elf_Internal_Shdr *symtab_hdr;
  struct elf_link_hash_entry **sym_hashes;
  bfd_signed_vma *local_got_refcounts;
  const Elf_Internal_Rela *rel, *relend;
  asection *got2;

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

  elf_section_data (sec)->local_dynrel = NULL;

  htab = ppc_elf_hash_table (info);
  symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
  sym_hashes = elf_sym_hashes (abfd);
  local_got_refcounts = elf_local_got_refcounts (abfd);
  got2 = bfd_get_section_by_name (abfd, ".got2");

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

      r_symndx = ELF32_R_SYM (rel->r_info);
      if (r_symndx >= symtab_hdr->sh_info)
       {
         struct ppc_elf_dyn_relocs **pp, *p;
         struct ppc_elf_link_hash_entry *eh;

         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_elf_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;
             }
       }

      r_type = ELF32_R_TYPE (rel->r_info);
      switch (r_type)
       {
       case R_PPC_GOT_TLSLD16:
       case R_PPC_GOT_TLSLD16_LO:
       case R_PPC_GOT_TLSLD16_HI:
       case R_PPC_GOT_TLSLD16_HA:
         htab->tlsld_got.refcount -= 1;
         /* Fall thru */

       case R_PPC_GOT_TLSGD16:
       case R_PPC_GOT_TLSGD16_LO:
       case R_PPC_GOT_TLSGD16_HI:
       case R_PPC_GOT_TLSGD16_HA:
       case R_PPC_GOT_TPREL16:
       case R_PPC_GOT_TPREL16_LO:
       case R_PPC_GOT_TPREL16_HI:
       case R_PPC_GOT_TPREL16_HA:
       case R_PPC_GOT_DTPREL16:
       case R_PPC_GOT_DTPREL16_LO:
       case R_PPC_GOT_DTPREL16_HI:
       case R_PPC_GOT_DTPREL16_HA:
       case R_PPC_GOT16:
       case R_PPC_GOT16_LO:
       case R_PPC_GOT16_HI:
       case R_PPC_GOT16_HA:
         if (h != NULL)
           {
             if (h->got.refcount > 0)
              h->got.refcount--;
           }
         else if (local_got_refcounts != NULL)
           {
             if (local_got_refcounts[r_symndx] > 0)
              local_got_refcounts[r_symndx]--;
           }
         break;

       case R_PPC_REL24:
       case R_PPC_REL14:
       case R_PPC_REL14_BRTAKEN:
       case R_PPC_REL14_BRNTAKEN:
       case R_PPC_REL32:
         if (h == NULL || h == htab->elf.hgot)
           break;
         /* Fall thru */

       case R_PPC_ADDR32:
       case R_PPC_ADDR24:
       case R_PPC_ADDR16:
       case R_PPC_ADDR16_LO:
       case R_PPC_ADDR16_HI:
       case R_PPC_ADDR16_HA:
       case R_PPC_ADDR14:
       case R_PPC_ADDR14_BRTAKEN:
       case R_PPC_ADDR14_BRNTAKEN:
       case R_PPC_UADDR32:
       case R_PPC_UADDR16:
         if (info->shared)
           break;

       case R_PPC_PLT32:
       case R_PPC_PLTREL24:
       case R_PPC_PLTREL32:
       case R_PPC_PLT16_LO:
       case R_PPC_PLT16_HI:
       case R_PPC_PLT16_HA:
         if (h != NULL)
           {
             bfd_vma addend = r_type == R_PPC_PLTREL24 ? rel->r_addend : 0;
             struct plt_entry *ent = find_plt_ent (h, got2, addend);
             if (ent->plt.refcount > 0)
              ent->plt.refcount -= 1;
           }
         break;

       default:
         break;
       }
    }
  return TRUE;
}

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static struct bfd_elf_special_section* ppc_elf_get_sec_type_attr ( bfd *abfd  ATTRIBUTE_UNUSED,
asection sec 
) [static, read]

Definition at line 1979 of file elf32-ppc.c.

{
  const struct bfd_elf_special_section *ssect;

  /* See if this is one of the special sections.  */
  if (sec->name == NULL)
    return NULL;

  ssect = _bfd_elf_get_special_section (sec->name, ppc_elf_special_sections,
                                   sec->use_rela_p);
  if (ssect != NULL)
    {
      if (ssect == ppc_elf_special_sections && (sec->flags & SEC_LOAD) != 0)
       ssect = &ppc_alt_plt;
      return ssect;
    }

  return _bfd_elf_get_sec_type_attr (abfd, sec);
}

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

Definition at line 1774 of file elf32-ppc.c.

{
  int offset;
  unsigned int size;

  switch (note->descsz)
    {
    default:
      return FALSE;

    case 268:        /* Linux/PPC.  */
      /* 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 + 24);

      /* pr_reg */
      offset = 72;
      size = 192;

      break;
    }

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

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

Definition at line 1804 of file elf32-ppc.c.

{
  switch (note->descsz)
    {
    default:
      return FALSE;

    case 128:        /* Linux/PPC elf_prpsinfo.  */
      elf_tdata (abfd)->core_program
       = _bfd_elfcore_strndup (abfd, note->descdata + 32, 16);
      elf_tdata (abfd)->core_command
       = _bfd_elfcore_strndup (abfd, note->descdata + 48, 80);
    }

  /* Note that for some reason, a spurious space is tacked
     onto the end of the args in some (at least one anyway)
     implementations, so strip it off if it exists.  */

  {
    char *command = elf_tdata (abfd)->core_command;
    int n = strlen (command);

    if (0 < n && command[n - 1] == ' ')
      command[n - 1] = '\0';
  }

  return TRUE;
}

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static void ppc_elf_howto_init ( void  ) [static]

Definition at line 1460 of file elf32-ppc.c.

{
  unsigned int i, type;

  for (i = 0;
       i < sizeof (ppc_elf_howto_raw) / sizeof (ppc_elf_howto_raw[0]);
       i++)
    {
      type = ppc_elf_howto_raw[i].type;
      if (type >= (sizeof (ppc_elf_howto_table)
                 / sizeof (ppc_elf_howto_table[0])))
       abort ();
      ppc_elf_howto_table[type] = &ppc_elf_howto_raw[i];
    }
}

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

Definition at line 1600 of file elf32-ppc.c.

{
  /* Initialize howto table if not already done.  */
  if (!ppc_elf_howto_table[R_PPC_ADDR32])
    ppc_elf_howto_init ();

  BFD_ASSERT (ELF32_R_TYPE (dst->r_info) < (unsigned int) R_PPC_max);
  cache_ptr->howto = ppc_elf_howto_table[ELF32_R_TYPE (dst->r_info)];
}

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

Definition at line 2464 of file elf32-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_elf_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)
    {
      ppc_elf_hash_entry (entry)->linker_section_pointer = NULL;
      ppc_elf_hash_entry (entry)->dyn_relocs = NULL;
      ppc_elf_hash_entry (entry)->tls_mask = 0;
    }

  return entry;
}

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static struct bfd_link_hash_table* ppc_elf_link_hash_table_create ( bfd abfd) [static, read]

Definition at line 2493 of file elf32-ppc.c.

{
  struct ppc_elf_link_hash_table *ret;

  ret = bfd_zmalloc (sizeof (struct ppc_elf_link_hash_table));
  if (ret == NULL)
    return NULL;

  if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd,
                                  ppc_elf_link_hash_newfunc,
                                  sizeof (struct ppc_elf_link_hash_entry)))
    {
      free (ret);
      return NULL;
    }

  ret->elf.init_plt_refcount.refcount = 0;
  ret->elf.init_plt_refcount.glist = NULL;
  ret->elf.init_plt_offset.offset = 0;
  ret->elf.init_plt_offset.glist = NULL;

  ret->sdata[0].name = ".sdata";
  ret->sdata[0].sym_name = "_SDA_BASE_";
  ret->sdata[0].bss_name = ".sbss";

  ret->sdata[1].name = ".sdata2";
  ret->sdata[1].sym_name = "_SDA2_BASE_";
  ret->sdata[1].bss_name = ".sbss2";

  ret->plt_entry_size = 12;
  ret->plt_slot_size = 8;
  ret->plt_initial_entry_size = 72;
  
  ret->is_vxworks = 0;

  return &ret->elf.root;
}

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

Definition at line 3581 of file elf32-ppc.c.

{
  flagword old_flags;
  flagword new_flags;
  bfd_boolean error;

  if (!is_ppc_elf_target (ibfd->xvec)
      || !is_ppc_elf_target (obfd->xvec))
    return TRUE;

  /* Check if we have the same endianess.  */
  if (! _bfd_generic_verify_endian_match (ibfd, obfd))
    return FALSE;

  new_flags = elf_elfheader (ibfd)->e_flags;
  old_flags = elf_elfheader (obfd)->e_flags;
  if (!elf_flags_init (obfd))
    {
      /* First call, no flags set.  */
      elf_flags_init (obfd) = TRUE;
      elf_elfheader (obfd)->e_flags = new_flags;
    }

  /* Compatible flags are ok.  */
  else if (new_flags == old_flags)
    ;

  /* Incompatible flags.  */
  else
    {
      /* Warn about -mrelocatable mismatch.  Allow -mrelocatable-lib
        to be linked with either.  */
      error = FALSE;
      if ((new_flags & EF_PPC_RELOCATABLE) != 0
         && (old_flags & (EF_PPC_RELOCATABLE | EF_PPC_RELOCATABLE_LIB)) == 0)
       {
         error = TRUE;
         (*_bfd_error_handler)
           (_("%B: compiled with -mrelocatable and linked with "
              "modules compiled normally"), ibfd);
       }
      else if ((new_flags & (EF_PPC_RELOCATABLE | EF_PPC_RELOCATABLE_LIB)) == 0
              && (old_flags & EF_PPC_RELOCATABLE) != 0)
       {
         error = TRUE;
         (*_bfd_error_handler)
           (_("%B: compiled normally and linked with "
              "modules compiled with -mrelocatable"), ibfd);
       }

      /* The output is -mrelocatable-lib iff both the input files are.  */
      if (! (new_flags & EF_PPC_RELOCATABLE_LIB))
       elf_elfheader (obfd)->e_flags &= ~EF_PPC_RELOCATABLE_LIB;

      /* The output is -mrelocatable iff it can't be -mrelocatable-lib,
        but each input file is either -mrelocatable or -mrelocatable-lib.  */
      if (! (elf_elfheader (obfd)->e_flags & EF_PPC_RELOCATABLE_LIB)
         && (new_flags & (EF_PPC_RELOCATABLE_LIB | EF_PPC_RELOCATABLE))
         && (old_flags & (EF_PPC_RELOCATABLE_LIB | EF_PPC_RELOCATABLE)))
       elf_elfheader (obfd)->e_flags |= EF_PPC_RELOCATABLE;

      /* Do not warn about eabi vs. V.4 mismatch, just or in the bit if
        any module uses it.  */
      elf_elfheader (obfd)->e_flags |= (new_flags & EF_PPC_EMB);

      new_flags &= ~(EF_PPC_RELOCATABLE | EF_PPC_RELOCATABLE_LIB | EF_PPC_EMB);
      old_flags &= ~(EF_PPC_RELOCATABLE | EF_PPC_RELOCATABLE_LIB | EF_PPC_EMB);

      /* Warn about any other mismatches.  */
      if (new_flags != old_flags)
       {
         error = TRUE;
         (*_bfd_error_handler)
           (_("%B: uses different e_flags (0x%lx) fields "
              "than previous modules (0x%lx)"),
            ibfd, (long) new_flags, (long) old_flags);
       }

      if (error)
       {
         bfd_set_error (bfd_error_bad_value);
         return FALSE;
       }
    }

  return TRUE;
}

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static bfd_boolean ppc_elf_mkobject ( bfd abfd) [static]

Definition at line 1726 of file elf32-ppc.c.

{
  if (abfd->tdata.any == NULL)
    {
      bfd_size_type amt = sizeof (struct ppc_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 ppc_elf_object_p ( bfd abfd) [static]

Definition at line 1742 of file elf32-ppc.c.

{
  if (abfd->arch_info->the_default && abfd->arch_info->bits_per_word == 64)
    {
      Elf_Internal_Ehdr *i_ehdr = elf_elfheader (abfd);

      if (i_ehdr->e_ident[EI_CLASS] == ELFCLASS32)
       {
         /* Relies on arch after 64 bit default being 32 bit default.  */
         abfd->arch_info = abfd->arch_info->next;
         BFD_ASSERT (abfd->arch_info->bits_per_word == 32);
       }
    }
  return TRUE;
}
static bfd_vma ppc_elf_plt_sym_val ( bfd_vma i  ATTRIBUTE_UNUSED,
const asection *plt  ATTRIBUTE_UNUSED,
const arelent rel 
) [static]

Definition at line 1883 of file elf32-ppc.c.

{
  return rel->address;
}
static bfd_boolean ppc_elf_relax_section ( bfd abfd,
asection isec,
struct bfd_link_info link_info,
bfd_boolean again 
) [static]

Definition at line 5036 of file elf32-ppc.c.

{
  struct one_fixup
  {
    struct one_fixup *next;
    asection *tsec;
    bfd_vma toff;
    bfd_vma trampoff;
  };

  Elf_Internal_Shdr *symtab_hdr;
  bfd_byte *contents = NULL;
  Elf_Internal_Sym *isymbuf = NULL;
  Elf_Internal_Rela *internal_relocs = NULL;
  Elf_Internal_Rela *irel, *irelend;
  struct one_fixup *fixups = NULL;
  bfd_boolean changed;
  struct ppc_elf_link_hash_table *htab;
  bfd_size_type trampoff;
  asection *got2;

  *again = FALSE;

  /* Nothing to do if there are no relocations, and no need to do
     anything with non-alloc sections.  */
  if ((isec->flags & SEC_ALLOC) == 0
      || (isec->flags & SEC_RELOC) == 0
      || isec->reloc_count == 0)
    return TRUE;

  trampoff = (isec->size + 3) & (bfd_vma) -4;
  /* Space for a branch around any trampolines.  */
  trampoff += 4;

  symtab_hdr = &elf_tdata (abfd)->symtab_hdr;

  /* Get a copy of the native relocations.  */
  internal_relocs = _bfd_elf_link_read_relocs (abfd, isec, NULL, NULL,
                                          link_info->keep_memory);
  if (internal_relocs == NULL)
    goto error_return;

  htab = ppc_elf_hash_table (link_info);
  got2 = bfd_get_section_by_name (abfd, ".got2");

  irelend = internal_relocs + isec->reloc_count;
  for (irel = internal_relocs; irel < irelend; irel++)
    {
      unsigned long r_type = ELF32_R_TYPE (irel->r_info);
      bfd_vma symaddr, reladdr, toff, roff;
      asection *tsec;
      struct one_fixup *f;
      size_t insn_offset = 0;
      bfd_vma max_branch_offset, val;
      bfd_byte *hit_addr;
      unsigned long t0;
      unsigned char sym_type;

      switch (r_type)
       {
       case R_PPC_REL24:
       case R_PPC_LOCAL24PC:
       case R_PPC_PLTREL24:
         max_branch_offset = 1 << 25;
         break;

       case R_PPC_REL14:
       case R_PPC_REL14_BRTAKEN:
       case R_PPC_REL14_BRNTAKEN:
         max_branch_offset = 1 << 15;
         break;

       default:
         continue;
       }

      /* Get the value of the symbol referred to by the reloc.  */
      if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
       {
         /* A local symbol.  */
         Elf_Internal_Sym *isym;

         /* Read this BFD's local symbols.  */
         if (isymbuf == NULL)
           {
             isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
             if (isymbuf == NULL)
              isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
                                          symtab_hdr->sh_info, 0,
                                          NULL, NULL, NULL);
             if (isymbuf == 0)
              goto error_return;
           }
         isym = isymbuf + ELF32_R_SYM (irel->r_info);
         if (isym->st_shndx == SHN_UNDEF)
           continue; /* We can't do anything with undefined symbols.  */
         else if (isym->st_shndx == SHN_ABS)
           tsec = bfd_abs_section_ptr;
         else if (isym->st_shndx == SHN_COMMON)
           tsec = bfd_com_section_ptr;
         else
           tsec = bfd_section_from_elf_index (abfd, isym->st_shndx);

         toff = isym->st_value;
         sym_type = ELF_ST_TYPE (isym->st_info);
       }
      else
       {
         /* Global symbol handling.  */
         unsigned long indx;
         struct elf_link_hash_entry *h;

         indx = ELF32_R_SYM (irel->r_info) - symtab_hdr->sh_info;
         h = elf_sym_hashes (abfd)[indx];

         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;

         tsec = NULL;
         toff = 0;
         if (r_type == R_PPC_PLTREL24
             && htab->plt != NULL)
           {
             struct plt_entry *ent = find_plt_ent (h, got2, irel->r_addend);

             if (ent != NULL)
              {
                if (htab->plt_type == PLT_NEW)
                  {
                    tsec = htab->glink;
                    toff = ent->glink_offset;
                  }
                else
                  {
                    tsec = htab->plt;
                    toff = ent->plt.offset;
                  }
              }
           }
         if (tsec != NULL)
           ;
         else if (h->root.type == bfd_link_hash_defined
                 || h->root.type == bfd_link_hash_defweak)
           {
             tsec = h->root.u.def.section;
             toff = h->root.u.def.value;
           }
         else
           continue;

         sym_type = h->type;
       }

      /* If the branch and target are in the same section, you have
        no hope of adding stubs.  We'll error out later should the
        branch overflow.  */
      if (tsec == isec)
       continue;

      /* There probably isn't any reason to handle symbols in
        SEC_MERGE sections;  SEC_MERGE doesn't seem a likely
        attribute for a code section, and we are only looking at
        branches.  However, implement it correctly here as a
        reference for other target relax_section functions.  */
      if (0 && tsec->sec_info_type == ELF_INFO_TYPE_MERGE)
       {
         /* At this stage in linking, no SEC_MERGE symbol has been
            adjusted, so all references to such symbols need to be
            passed through _bfd_merged_section_offset.  (Later, in
            relocate_section, all SEC_MERGE symbols *except* for
            section symbols have been adjusted.)

            gas may reduce relocations against symbols in SEC_MERGE
            sections to a relocation against the section symbol when
            the original addend was zero.  When the reloc is against
            a section symbol we should include the addend in the
            offset passed to _bfd_merged_section_offset, since the
            location of interest is the original symbol.  On the
            other hand, an access to "sym+addend" where "sym" is not
            a section symbol should not include the addend;  Such an
            access is presumed to be an offset from "sym";  The
            location of interest is just "sym".  */
         if (sym_type == STT_SECTION)
           toff += irel->r_addend;

         toff = _bfd_merged_section_offset (abfd, &tsec,
                                        elf_section_data (tsec)->sec_info,
                                        toff);

         if (sym_type != STT_SECTION)
           toff += irel->r_addend;
       }
      /* PLTREL24 addends are special.  */
      else if (r_type != R_PPC_PLTREL24)
       toff += irel->r_addend;

      /* Attempted -shared link of non-pic code loses.  */
      if (tsec->output_section == NULL)
       continue;

      symaddr = tsec->output_section->vma + tsec->output_offset + toff;

      roff = irel->r_offset;
      reladdr = isec->output_section->vma + isec->output_offset + roff;

      /* If the branch is in range, no need to do anything.  */
      if (symaddr - reladdr + max_branch_offset < 2 * max_branch_offset)
       continue;

      /* Look for an existing fixup to this address.  */
      for (f = fixups; f ; f = f->next)
       if (f->tsec == tsec && f->toff == toff)
         break;

      if (f == NULL)
       {
         size_t size;
         unsigned long stub_rtype;

         val = trampoff - roff;
         if (val >= max_branch_offset)
           /* Oh dear, we can't reach a trampoline.  Don't try to add
              one.  We'll report an error later.  */
           continue;

         if (link_info->shared)
           {
             size = 4 * ARRAY_SIZE (shared_stub_entry);
             insn_offset = 12;
             stub_rtype = R_PPC_RELAX32PC;
           }
         else
           {
             size = 4 * ARRAY_SIZE (stub_entry);
             insn_offset = 0;
             stub_rtype = R_PPC_RELAX32;
           }

         if (R_PPC_RELAX32_PLT - R_PPC_RELAX32
             != R_PPC_RELAX32PC_PLT - R_PPC_RELAX32PC)
           abort ();
         if (tsec == htab->plt
             || tsec == htab->glink)
           stub_rtype += R_PPC_RELAX32_PLT - R_PPC_RELAX32;

         /* Hijack the old relocation.  Since we need two
            relocations for this use a "composite" reloc.  */
         irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
                                   stub_rtype);
         irel->r_offset = trampoff + insn_offset;

         /* Record the fixup so we don't do it again this section.  */
         f = bfd_malloc (sizeof (*f));
         f->next = fixups;
         f->tsec = tsec;
         f->toff = toff;
         f->trampoff = trampoff;
         fixups = f;

         trampoff += size;
       }
      else
       {
         val = f->trampoff - roff;
         if (val >= max_branch_offset)
           continue;

         /* Nop out the reloc, since we're finalizing things here.  */
         irel->r_info = ELF32_R_INFO (0, R_PPC_NONE);
       }

      /* Get the section contents.  */
      if (contents == NULL)
       {
         /* Get cached copy if it exists.  */
         if (elf_section_data (isec)->this_hdr.contents != NULL)
           contents = elf_section_data (isec)->this_hdr.contents;
         else
           {
             /* Go get them off disk.  */
             if (!bfd_malloc_and_get_section (abfd, isec, &contents))
              goto error_return;
           }
       }

      /* Fix up the existing branch to hit the trampoline.  */
      hit_addr = contents + roff;
      switch (r_type)
       {
       case R_PPC_REL24:
       case R_PPC_LOCAL24PC:
       case R_PPC_PLTREL24:
         t0 = bfd_get_32 (abfd, hit_addr);
         t0 &= ~0x3fffffc;
         t0 |= val & 0x3fffffc;
         bfd_put_32 (abfd, t0, hit_addr);
         break;

       case R_PPC_REL14:
       case R_PPC_REL14_BRTAKEN:
       case R_PPC_REL14_BRNTAKEN:
         t0 = bfd_get_32 (abfd, hit_addr);
         t0 &= ~0xfffc;
         t0 |= val & 0xfffc;
         bfd_put_32 (abfd, t0, hit_addr);
         break;
       }
    }

  /* Write out the trampolines.  */
  changed = fixups != NULL;
  if (fixups != NULL)
    {
      const int *stub;
      bfd_byte *dest;
      bfd_vma val;
      int i, size;

      do
       {
         struct one_fixup *f = fixups;
         fixups = fixups->next;
         free (f);
       }
      while (fixups);

      contents = bfd_realloc (contents, trampoff);
      if (contents == NULL)
       goto error_return;

      isec->size = (isec->size + 3) & (bfd_vma) -4;
      /* Branch around the trampolines.  */
      val = trampoff - isec->size + 0x48000000;
      dest = contents + isec->size;
      isec->size = trampoff;
      bfd_put_32 (abfd, val, dest);
      dest += 4;

      if (link_info->shared)
       {
         stub = shared_stub_entry;
         size = ARRAY_SIZE (shared_stub_entry);
       }
      else
       {
         stub = stub_entry;
         size = ARRAY_SIZE (stub_entry);
       }

      i = 0;
      while (dest < contents + trampoff)
       {
         bfd_put_32 (abfd, stub[i], dest);
         i++;
         if (i == size)
           i = 0;
         dest += 4;
       }
      BFD_ASSERT (i == 0);
    }

  if (isymbuf != NULL
      && symtab_hdr->contents != (unsigned char *) isymbuf)
    {
      if (! link_info->keep_memory)
       free (isymbuf);
      else
       {
         /* Cache the symbols for elf_link_input_bfd.  */
         symtab_hdr->contents = (unsigned char *) isymbuf;
       }
    }

  if (contents != NULL
      && elf_section_data (isec)->this_hdr.contents != contents)
    {
      if (!changed && !link_info->keep_memory)
       free (contents);
      else
       {
         /* Cache the section contents for elf_link_input_bfd.  */
         elf_section_data (isec)->this_hdr.contents = contents;
       }
    }

  if (elf_section_data (isec)->relocs != internal_relocs)
    {
      if (!changed)
       free (internal_relocs);
      else
       elf_section_data (isec)->relocs = internal_relocs;
    }

  *again = changed;
  return TRUE;

 error_return:
  if (isymbuf != NULL && (unsigned char *) isymbuf != symtab_hdr->contents)
    free (isymbuf);
  if (contents != NULL
      && elf_section_data (isec)->this_hdr.contents != contents)
    free (contents);
  if (internal_relocs != NULL
      && elf_section_data (isec)->relocs != internal_relocs)
    free (internal_relocs);
  return FALSE;
}

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static reloc_howto_type* ppc_elf_reloc_name_lookup ( bfd *abfd  ATTRIBUTE_UNUSED,
const char *  r_name 
) [static]

Definition at line 1582 of file elf32-ppc.c.

{
  unsigned int i;

  for (i = 0;
       i < sizeof (ppc_elf_howto_raw) / sizeof (ppc_elf_howto_raw[0]);
       i++)
    if (ppc_elf_howto_raw[i].name != NULL
       && strcasecmp (ppc_elf_howto_raw[i].name, r_name) == 0)
      return &ppc_elf_howto_raw[i];

  return NULL;
}

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Definition at line 7101 of file elf32-ppc.c.

{
  switch (ELF32_R_TYPE (rela->r_info))
    {
    case R_PPC_RELATIVE:
      return reloc_class_relative;
    case R_PPC_REL24:
    case R_PPC_ADDR24:
    case R_PPC_JMP_SLOT:
      return reloc_class_plt;
    case R_PPC_COPY:
      return reloc_class_copy;
    default:
      return reloc_class_normal;
    }
}
static reloc_howto_type* ppc_elf_reloc_type_lookup ( bfd *abfd  ATTRIBUTE_UNUSED,
bfd_reloc_code_real_type  code 
) [static]

Definition at line 1477 of file elf32-ppc.c.

{
  enum elf_ppc_reloc_type r;

  /* Initialize howto table if not already done.  */
  if (!ppc_elf_howto_table[R_PPC_ADDR32])
    ppc_elf_howto_init ();

  switch (code)
    {
    default:
      return NULL;

    case BFD_RELOC_NONE:           r = R_PPC_NONE;                    break;
    case BFD_RELOC_32:                    r = R_PPC_ADDR32;           break;
    case BFD_RELOC_PPC_BA26:              r = R_PPC_ADDR24;           break;
    case BFD_RELOC_16:                    r = R_PPC_ADDR16;           break;
    case BFD_RELOC_LO16:           r = R_PPC_ADDR16_LO;        break;
    case BFD_RELOC_HI16:           r = R_PPC_ADDR16_HI;        break;
    case BFD_RELOC_HI16_S:         r = R_PPC_ADDR16_HA;        break;
    case BFD_RELOC_PPC_BA16:              r = R_PPC_ADDR14;           break;
    case BFD_RELOC_PPC_BA16_BRTAKEN:      r = R_PPC_ADDR14_BRTAKEN;   break;
    case BFD_RELOC_PPC_BA16_BRNTAKEN:     r = R_PPC_ADDR14_BRNTAKEN;  break;
    case BFD_RELOC_PPC_B26:        r = R_PPC_REL24;            break;
    case BFD_RELOC_PPC_B16:        r = R_PPC_REL14;            break;
    case BFD_RELOC_PPC_B16_BRTAKEN:       r = R_PPC_REL14_BRTAKEN;    break;
    case BFD_RELOC_PPC_B16_BRNTAKEN:      r = R_PPC_REL14_BRNTAKEN;   break;
    case BFD_RELOC_16_GOTOFF:             r = R_PPC_GOT16;            break;
    case BFD_RELOC_LO16_GOTOFF:           r = R_PPC_GOT16_LO;         break;
    case BFD_RELOC_HI16_GOTOFF:           r = R_PPC_GOT16_HI;         break;
    case BFD_RELOC_HI16_S_GOTOFF:  r = R_PPC_GOT16_HA;         break;
    case BFD_RELOC_24_PLT_PCREL:   r = R_PPC_PLTREL24;         break;
    case BFD_RELOC_PPC_COPY:              r = R_PPC_COPY;                    break;
    case BFD_RELOC_PPC_GLOB_DAT:   r = R_PPC_GLOB_DAT;         break;
    case BFD_RELOC_PPC_LOCAL24PC:  r = R_PPC_LOCAL24PC;        break;
    case BFD_RELOC_32_PCREL:              r = R_PPC_REL32;            break;
    case BFD_RELOC_32_PLTOFF:             r = R_PPC_PLT32;            break;
    case BFD_RELOC_32_PLT_PCREL:   r = R_PPC_PLTREL32;         break;
    case BFD_RELOC_LO16_PLTOFF:           r = R_PPC_PLT16_LO;         break;
    case BFD_RELOC_HI16_PLTOFF:           r = R_PPC_PLT16_HI;         break;
    case BFD_RELOC_HI16_S_PLTOFF:  r = R_PPC_PLT16_HA;         break;
    case BFD_RELOC_GPREL16:        r = R_PPC_SDAREL16;         break;
    case BFD_RELOC_16_BASEREL:            r = R_PPC_SECTOFF;          break;
    case BFD_RELOC_LO16_BASEREL:   r = R_PPC_SECTOFF_LO;              break;
    case BFD_RELOC_HI16_BASEREL:   r = R_PPC_SECTOFF_HI;              break;
    case BFD_RELOC_HI16_S_BASEREL: r = R_PPC_SECTOFF_HA;              break;
    case BFD_RELOC_CTOR:           r = R_PPC_ADDR32;           break;
    case BFD_RELOC_PPC_TOC16:             r = R_PPC_TOC16;            break;
    case BFD_RELOC_PPC_TLS:        r = R_PPC_TLS;                     break;
    case BFD_RELOC_PPC_DTPMOD:            r = R_PPC_DTPMOD32;         break;
    case BFD_RELOC_PPC_TPREL16:           r = R_PPC_TPREL16;          break;
    case BFD_RELOC_PPC_TPREL16_LO: r = R_PPC_TPREL16_LO;              break;
    case BFD_RELOC_PPC_TPREL16_HI: r = R_PPC_TPREL16_HI;              break;
    case BFD_RELOC_PPC_TPREL16_HA: r = R_PPC_TPREL16_HA;              break;
    case BFD_RELOC_PPC_TPREL:             r = R_PPC_TPREL32;          break;
    case BFD_RELOC_PPC_DTPREL16:   r = R_PPC_DTPREL16;         break;
    case BFD_RELOC_PPC_DTPREL16_LO:       r = R_PPC_DTPREL16_LO;             break;
    case BFD_RELOC_PPC_DTPREL16_HI:       r = R_PPC_DTPREL16_HI;             break;
    case BFD_RELOC_PPC_DTPREL16_HA:       r = R_PPC_DTPREL16_HA;             break;
    case BFD_RELOC_PPC_DTPREL:            r = R_PPC_DTPREL32;         break;
    case BFD_RELOC_PPC_GOT_TLSGD16:       r = R_PPC_GOT_TLSGD16;             break;
    case BFD_RELOC_PPC_GOT_TLSGD16_LO:    r = R_PPC_GOT_TLSGD16_LO;   break;
    case BFD_RELOC_PPC_GOT_TLSGD16_HI:    r = R_PPC_GOT_TLSGD16_HI;   break;
    case BFD_RELOC_PPC_GOT_TLSGD16_HA:    r = R_PPC_GOT_TLSGD16_HA;   break;
    case BFD_RELOC_PPC_GOT_TLSLD16:       r = R_PPC_GOT_TLSLD16;             break;
    case BFD_RELOC_PPC_GOT_TLSLD16_LO:    r = R_PPC_GOT_TLSLD16_LO;   break;
    case BFD_RELOC_PPC_GOT_TLSLD16_HI:    r = R_PPC_GOT_TLSLD16_HI;   break;
    case BFD_RELOC_PPC_GOT_TLSLD16_HA:    r = R_PPC_GOT_TLSLD16_HA;   break;
    case BFD_RELOC_PPC_GOT_TPREL16:       r = R_PPC_GOT_TPREL16;             break;
    case BFD_RELOC_PPC_GOT_TPREL16_LO:    r = R_PPC_GOT_TPREL16_LO;   break;
    case BFD_RELOC_PPC_GOT_TPREL16_HI:    r = R_PPC_GOT_TPREL16_HI;   break;
    case BFD_RELOC_PPC_GOT_TPREL16_HA:    r = R_PPC_GOT_TPREL16_HA;   break;
    case BFD_RELOC_PPC_GOT_DTPREL16:      r = R_PPC_GOT_DTPREL16;            break;
    case BFD_RELOC_PPC_GOT_DTPREL16_LO:   r = R_PPC_GOT_DTPREL16_LO;  break;
    case BFD_RELOC_PPC_GOT_DTPREL16_HI:   r = R_PPC_GOT_DTPREL16_HI;  break;
    case BFD_RELOC_PPC_GOT_DTPREL16_HA:   r = R_PPC_GOT_DTPREL16_HA;  break;
    case BFD_RELOC_PPC_EMB_NADDR32:       r = R_PPC_EMB_NADDR32;             break;
    case BFD_RELOC_PPC_EMB_NADDR16:       r = R_PPC_EMB_NADDR16;             break;
    case BFD_RELOC_PPC_EMB_NADDR16_LO:    r = R_PPC_EMB_NADDR16_LO;   break;
    case BFD_RELOC_PPC_EMB_NADDR16_HI:    r = R_PPC_EMB_NADDR16_HI;   break;
    case BFD_RELOC_PPC_EMB_NADDR16_HA:    r = R_PPC_EMB_NADDR16_HA;   break;
    case BFD_RELOC_PPC_EMB_SDAI16: r = R_PPC_EMB_SDAI16;              break;
    case BFD_RELOC_PPC_EMB_SDA2I16:       r = R_PPC_EMB_SDA2I16;             break;
    case BFD_RELOC_PPC_EMB_SDA2REL:       r = R_PPC_EMB_SDA2REL;             break;
    case BFD_RELOC_PPC_EMB_SDA21:  r = R_PPC_EMB_SDA21;        break;
    case BFD_RELOC_PPC_EMB_MRKREF: r = R_PPC_EMB_MRKREF;              break;
    case BFD_RELOC_PPC_EMB_RELSEC16:      r = R_PPC_EMB_RELSEC16;            break;
    case BFD_RELOC_PPC_EMB_RELST_LO:      r = R_PPC_EMB_RELST_LO;            break;
    case BFD_RELOC_PPC_EMB_RELST_HI:      r = R_PPC_EMB_RELST_HI;            break;
    case BFD_RELOC_PPC_EMB_RELST_HA:      r = R_PPC_EMB_RELST_HA;            break;
    case BFD_RELOC_PPC_EMB_BIT_FLD:       r = R_PPC_EMB_BIT_FLD;             break;
    case BFD_RELOC_PPC_EMB_RELSDA: r = R_PPC_EMB_RELSDA;              break;
    case BFD_RELOC_16_PCREL:              r = R_PPC_REL16;            break;
    case BFD_RELOC_LO16_PCREL:            r = R_PPC_REL16_LO;         break;
    case BFD_RELOC_HI16_PCREL:            r = R_PPC_REL16_HI;         break;
    case BFD_RELOC_HI16_S_PCREL:   r = R_PPC_REL16_HA;         break;
    case BFD_RELOC_VTABLE_INHERIT: r = R_PPC_GNU_VTINHERIT;    break;
    case BFD_RELOC_VTABLE_ENTRY:   r = R_PPC_GNU_VTENTRY;             break;
    }

  return ppc_elf_howto_table[r];
};

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static bfd_boolean ppc_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 5554 of file elf32-ppc.c.

{
  Elf_Internal_Shdr *symtab_hdr;
  struct elf_link_hash_entry **sym_hashes;
  struct ppc_elf_link_hash_table *htab;
  Elf_Internal_Rela *rel;
  Elf_Internal_Rela *relend;
  Elf_Internal_Rela outrel;
  bfd_byte *loc;
  asection *got2, *sreloc = NULL;
  bfd_vma *local_got_offsets;
  bfd_boolean ret = TRUE;
  bfd_vma d_offset = (bfd_big_endian (output_bfd) ? 2 : 0);

#ifdef DEBUG
  _bfd_error_handler ("ppc_elf_relocate_section called for %B section %A, "
                    "%ld relocations%s",
                    input_bfd, input_section,
                    (long) input_section->reloc_count,
                    (info->relocatable) ? " (relocatable)" : "");
#endif

  got2 = bfd_get_section_by_name (input_bfd, ".got2");

  /* Initialize howto table if not already done.  */
  if (!ppc_elf_howto_table[R_PPC_ADDR32])
    ppc_elf_howto_init ();

  htab = ppc_elf_hash_table (info);
  local_got_offsets = elf_local_got_offsets (input_bfd);
  symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
  sym_hashes = elf_sym_hashes (input_bfd);
  rel = relocs;
  relend = relocs + input_section->reloc_count;
  for (; rel < relend; rel++)
    {
      enum elf_ppc_reloc_type r_type;
      bfd_vma addend;
      bfd_reloc_status_type r;
      Elf_Internal_Sym *sym;
      asection *sec;
      struct elf_link_hash_entry *h;
      const char *sym_name;
      reloc_howto_type *howto;
      unsigned long r_symndx;
      bfd_vma relocation;
      bfd_vma branch_bit, insn, from;
      bfd_boolean unresolved_reloc;
      bfd_boolean warned;
      unsigned int tls_type, tls_mask, tls_gd;

      r_type = ELF32_R_TYPE (rel->r_info);
      sym = NULL;
      sec = NULL;
      h = NULL;
      unresolved_reloc = FALSE;
      warned = FALSE;
      r_symndx = ELF32_R_SYM (rel->r_info);

      if (r_symndx < symtab_hdr->sh_info)
       {
         sym = local_syms + r_symndx;
         sec = local_sections[r_symndx];
         sym_name = bfd_elf_sym_name (input_bfd, symtab_hdr, sym, sec);

         relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
       }
      else
       {
         RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
                               r_symndx, symtab_hdr, sym_hashes,
                               h, sec, relocation,
                               unresolved_reloc, warned);

         sym_name = h->root.root.string;
       }

      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.  */
         howto = NULL;
         if (r_type < R_PPC_max)
           howto = ppc_elf_howto_table[r_type];
         _bfd_clear_contents (howto, input_bfd, contents + rel->r_offset);
         rel->r_info = 0;
         rel->r_addend = 0;
         continue;
       }

      if (info->relocatable)
       {
         if (got2 != NULL
             && r_type == R_PPC_PLTREL24
             && rel->r_addend >= 32768)
           {
             /* R_PPC_PLTREL24 is rather special.  If non-zero, the
               addend specifies the GOT pointer offset within .got2.  */
             rel->r_addend += got2->output_offset;
           }
         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;
      if (IS_PPC_TLS_RELOC (r_type))
       {
         if (h != NULL)
           tls_mask = ((struct ppc_elf_link_hash_entry *) h)->tls_mask;
         else if (local_got_offsets != NULL)
           {
             char *lgot_masks;
             lgot_masks = (char *) (local_got_offsets + symtab_hdr->sh_info);
             tls_mask = lgot_masks[r_symndx];
           }
       }

      /* Ensure reloc mapping code below stays sane.  */
      if ((R_PPC_GOT_TLSLD16 & 3)    != (R_PPC_GOT_TLSGD16 & 3)
         || (R_PPC_GOT_TLSLD16_LO & 3) != (R_PPC_GOT_TLSGD16_LO & 3)
         || (R_PPC_GOT_TLSLD16_HI & 3) != (R_PPC_GOT_TLSGD16_HI & 3)
         || (R_PPC_GOT_TLSLD16_HA & 3) != (R_PPC_GOT_TLSGD16_HA & 3)
         || (R_PPC_GOT_TLSLD16 & 3)    != (R_PPC_GOT_TPREL16 & 3)
         || (R_PPC_GOT_TLSLD16_LO & 3) != (R_PPC_GOT_TPREL16_LO & 3)
         || (R_PPC_GOT_TLSLD16_HI & 3) != (R_PPC_GOT_TPREL16_HI & 3)
         || (R_PPC_GOT_TLSLD16_HA & 3) != (R_PPC_GOT_TPREL16_HA & 3))
       abort ();
      switch (r_type)
       {
       default:
         break;

       case R_PPC_GOT_TPREL16:
       case R_PPC_GOT_TPREL16_LO:
         if (tls_mask != 0
             && (tls_mask & TLS_TPREL) == 0)
           {
             bfd_vma insn;
             insn = bfd_get_32 (output_bfd, contents + rel->r_offset - d_offset);
             insn &= 31 << 21;
             insn |= 0x3c020000;   /* addis 0,2,0 */
             bfd_put_32 (output_bfd, insn, contents + rel->r_offset - d_offset);
             r_type = R_PPC_TPREL16_HA;
             rel->r_info = ELF32_R_INFO (r_symndx, r_type);
           }
         break;

       case R_PPC_TLS:
         if (tls_mask != 0
             && (tls_mask & TLS_TPREL) == 0)
           {
             bfd_vma insn, rtra;
             insn = bfd_get_32 (output_bfd, contents + rel->r_offset);
             if ((insn & ((31 << 26) | (31 << 11)))
                == ((31 << 26) | (2 << 11)))
              rtra = insn & ((1 << 26) - (1 << 16));
             else if ((insn & ((31 << 26) | (31 << 16)))
                     == ((31 << 26) | (2 << 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);
             r_type = R_PPC_TPREL16_LO;
             rel->r_info = ELF32_R_INFO (r_symndx, r_type);

             /* Was PPC_TLS which sits on insn boundary, now
               PPC_TPREL16_LO which is at low-order half-word.  */
             rel->r_offset += d_offset;
           }
         break;

       case R_PPC_GOT_TLSGD16_HI:
       case R_PPC_GOT_TLSGD16_HA:
         tls_gd = TLS_TPRELGD;
         if (tls_mask != 0 && (tls_mask & TLS_GD) == 0)
           goto tls_gdld_hi;
         break;

       case R_PPC_GOT_TLSLD16_HI:
       case R_PPC_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_PPC_GOT_TLSGD16 & 3)) & 3)
                       + R_PPC_GOT_TPREL16);
             else
              {
                bfd_put_32 (output_bfd, NOP, contents + rel->r_offset);
                rel->r_offset -= d_offset;
                r_type = R_PPC_NONE;
              }
             rel->r_info = ELF32_R_INFO (r_symndx, r_type);
           }
         break;

       case R_PPC_GOT_TLSGD16:
       case R_PPC_GOT_TLSGD16_LO:
         tls_gd = TLS_TPRELGD;
         if (tls_mask != 0 && (tls_mask & TLS_GD) == 0)
           goto tls_get_addr_check;
         break;

       case R_PPC_GOT_TLSLD16:
       case R_PPC_GOT_TLSLD16_LO:
         if (tls_mask != 0 && (tls_mask & TLS_LD) == 0)
           {
           tls_get_addr_check:
             if (rel + 1 < relend)
              {
                enum elf_ppc_reloc_type r_type2;
                unsigned long r_symndx2;
                struct elf_link_hash_entry *h2;
                bfd_vma insn1, insn2;
                bfd_vma offset;

                /* The next instruction should be a call to
                   __tls_get_addr.  Peek at the reloc to be sure.  */
                r_type2 = ELF32_R_TYPE (rel[1].r_info);
                r_symndx2 = ELF32_R_SYM (rel[1].r_info);
                if (r_symndx2 < symtab_hdr->sh_info
                    || (r_type2 != R_PPC_REL14
                       && r_type2 != R_PPC_REL14_BRTAKEN
                       && r_type2 != R_PPC_REL14_BRNTAKEN
                       && r_type2 != R_PPC_REL24
                       && r_type2 != R_PPC_PLTREL24))
                  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)
                  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);
                if ((tls_mask & tls_gd) != 0)
                  {
                    /* IE */
                    insn1 &= (1 << 26) - 1;
                    insn1 |= 32 << 26;    /* lwz */
                    insn2 = 0x7c631214;   /* add 3,3,2 */
                    rel[1].r_info = ELF32_R_INFO (r_symndx2, R_PPC_NONE);
                    rel[1].r_addend = 0;
                    r_type = (((r_type - (R_PPC_GOT_TLSGD16 & 3)) & 3)
                            + R_PPC_GOT_TPREL16);
                    rel->r_info = ELF32_R_INFO (r_symndx, r_type);
                  }
                else
                  {
                    /* LE */
                    insn1 = 0x3c620000;   /* addis 3,2,0 */
                    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;
                     }
                    r_type = R_PPC_TPREL16_HA;
                    rel->r_info = ELF32_R_INFO (r_symndx, r_type);
                    rel[1].r_info = ELF32_R_INFO (r_symndx,
                                              R_PPC_TPREL16_LO);
                    rel[1].r_offset += d_offset;
                    rel[1].r_addend = rel->r_addend;
                  }
                bfd_put_32 (output_bfd, insn1, contents + rel->r_offset - d_offset);
                bfd_put_32 (output_bfd, insn2, contents + offset);
                if (tls_gd == 0)
                  {
                    /* We changed the symbol on an LD reloc.  Start over
                      in order to get h, sym, sec etc. right.  */
                    rel--;
                    continue;
                  }
              }
           }
         break;
       }

      /* Handle other relocations that tweak non-addend part of insn.  */
      branch_bit = 0;
      switch (r_type)
       {
       default:
         break;

         /* Branch taken prediction relocations.  */
       case R_PPC_ADDR14_BRTAKEN:
       case R_PPC_REL14_BRTAKEN:
         branch_bit = BRANCH_PREDICT_BIT;
         /* Fall thru */

         /* Branch not taken prediction relocations.  */
       case R_PPC_ADDR14_BRNTAKEN:
       case R_PPC_REL14_BRNTAKEN:
         insn = bfd_get_32 (output_bfd, contents + rel->r_offset);
         insn &= ~BRANCH_PREDICT_BIT;
         insn |= branch_bit;

         from = (rel->r_offset
                + input_section->output_offset
                + input_section->output_section->vma);

         /* Invert 'y' bit if not the default.  */
         if ((bfd_signed_vma) (relocation + rel->r_addend - from) < 0)
           insn ^= BRANCH_PREDICT_BIT;

         bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
         break;
       }

      addend = rel->r_addend;
      tls_type = 0;
      howto = NULL;
      if (r_type < R_PPC_max)
       howto = ppc_elf_howto_table[r_type];
      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_PPC_NONE:
       case R_PPC_TLS:
       case R_PPC_EMB_MRKREF:
       case R_PPC_GNU_VTINHERIT:
       case R_PPC_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_PPC_GOT_TLSGD16:
       case R_PPC_GOT_TLSGD16_LO:
       case R_PPC_GOT_TLSGD16_HI:
       case R_PPC_GOT_TLSGD16_HA:
         tls_type = TLS_TLS | TLS_GD;
         goto dogot;

       case R_PPC_GOT_TLSLD16:
       case R_PPC_GOT_TLSLD16_LO:
       case R_PPC_GOT_TLSLD16_HI:
       case R_PPC_GOT_TLSLD16_HA:
         tls_type = TLS_TLS | TLS_LD;
         goto dogot;

       case R_PPC_GOT_TPREL16:
       case R_PPC_GOT_TPREL16_LO:
       case R_PPC_GOT_TPREL16_HI:
       case R_PPC_GOT_TPREL16_HA:
         tls_type = TLS_TLS | TLS_TPREL;
         goto dogot;

       case R_PPC_GOT_DTPREL16:
       case R_PPC_GOT_DTPREL16_LO:
       case R_PPC_GOT_DTPREL16_HI:
       case R_PPC_GOT_DTPREL16_HA:
         tls_type = TLS_TLS | TLS_DTPREL;
         goto dogot;

       case R_PPC_GOT16:
       case R_PPC_GOT16_LO:
       case R_PPC_GOT16_HI:
       case R_PPC_GOT16_HA:
       dogot:
         {
           /* Relocation is to the entry for this symbol in the global
              offset table.  */
           bfd_vma off;
           bfd_vma *offp;
           unsigned long indx;

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

           indx = 0;
           if (tls_type == (TLS_TLS | TLS_LD)
              && (h == NULL
                  || !h->def_dynamic))
             offp = &htab->tlsld_got.offset;
           else if (h != NULL)
             {
              bfd_boolean dyn;
              dyn = htab->elf.dynamic_sections_created;
              if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
                  || (info->shared
                     && SYMBOL_REFERENCES_LOCAL (info, h)))
                /* 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->dynindx;
                  unresolved_reloc = FALSE;
                }
              offp = &h->got.offset;
             }
           else
             {
              if (local_got_offsets == NULL)
                abort ();
              offp = &local_got_offsets[r_symndx];
             }

           /* The offset must always be a multiple of 4.  We use the
              least significant bit to record whether we have already
              processed this entry.  */
           off = *offp;
           if ((off & 1) != 0)
             off &= ~1;
           else
             {
              unsigned int tls_m = (tls_mask
                                  & (TLS_LD | TLS_GD | TLS_DTPREL
                                    | TLS_TPREL | TLS_TPRELGD));

              if (offp == &htab->tlsld_got.offset)
                tls_m = TLS_LD;
              else if (h == NULL
                      || !h->def_dynamic)
                tls_m &= ~TLS_LD;

              /* We might have multiple got entries for this sym.
                 Initialize them all.  */
              do
                {
                  int tls_ty = 0;

                  if ((tls_m & TLS_LD) != 0)
                    {
                     tls_ty = TLS_TLS | TLS_LD;
                     tls_m &= ~TLS_LD;
                    }
                  else if ((tls_m & TLS_GD) != 0)
                    {
                     tls_ty = TLS_TLS | TLS_GD;
                     tls_m &= ~TLS_GD;
                    }
                  else if ((tls_m & TLS_DTPREL) != 0)
                    {
                     tls_ty = TLS_TLS | TLS_DTPREL;
                     tls_m &= ~TLS_DTPREL;
                    }
                  else if ((tls_m & (TLS_TPREL | TLS_TPRELGD)) != 0)
                    {
                     tls_ty = TLS_TLS | TLS_TPREL;
                     tls_m = 0;
                    }

                  /* Generate relocs for the dynamic linker.  */
                  if ((info->shared || indx != 0)
                     && (h == NULL
                         || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
                         || h->root.type != bfd_link_hash_undefweak))
                    {
                     outrel.r_offset = (htab->got->output_section->vma
                                      + htab->got->output_offset
                                      + off);
                     outrel.r_addend = 0;
                     if (tls_ty & (TLS_LD | TLS_GD))
                       {
                         outrel.r_info = ELF32_R_INFO (indx, R_PPC_DTPMOD32);
                         if (tls_ty == (TLS_TLS | TLS_GD))
                           {
                            loc = htab->relgot->contents;
                            loc += (htab->relgot->reloc_count++
                                   * sizeof (Elf32_External_Rela));
                            bfd_elf32_swap_reloca_out (output_bfd,
                                                    &outrel, loc);
                            outrel.r_offset += 4;
                            outrel.r_info
                              = ELF32_R_INFO (indx, R_PPC_DTPREL32);
                           }
                       }
                     else if (tls_ty == (TLS_TLS | TLS_DTPREL))
                       outrel.r_info = ELF32_R_INFO (indx, R_PPC_DTPREL32);
                     else if (tls_ty == (TLS_TLS | TLS_TPREL))
                       outrel.r_info = ELF32_R_INFO (indx, R_PPC_TPREL32);
                     else if (indx == 0)
                       outrel.r_info = ELF32_R_INFO (indx, R_PPC_RELATIVE);
                     else
                       outrel.r_info = ELF32_R_INFO (indx, R_PPC_GLOB_DAT);
                     if (indx == 0)
                       {
                         outrel.r_addend += relocation;
                         if (tls_ty & (TLS_GD | TLS_DTPREL | TLS_TPREL))
                           outrel.r_addend -= htab->elf.tls_sec->vma;
                       }
                     loc = htab->relgot->contents;
                     loc += (htab->relgot->reloc_count++
                            * sizeof (Elf32_External_Rela));
                     bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
                    }

                  /* Init the .got section contents if we're not
                     emitting a reloc.  */
                  else
                    {
                     bfd_vma value = relocation;

                     if (tls_ty == (TLS_TLS | TLS_LD))
                       value = 1;
                     else if (tls_ty != 0)
                       {
                         value -= htab->elf.tls_sec->vma + DTP_OFFSET;
                         if (tls_ty == (TLS_TLS | TLS_TPREL))
                           value += DTP_OFFSET - TP_OFFSET;

                         if (tls_ty == (TLS_TLS | TLS_GD))
                           {
                            bfd_put_32 (output_bfd, value,
                                       htab->got->contents + off + 4);
                            value = 1;
                           }
                       }
                     bfd_put_32 (output_bfd, value,
                                htab->got->contents + off);
                    }

                  off += 4;
                  if (tls_ty & (TLS_LD | TLS_GD))
                    off += 4;
                }
              while (tls_m != 0);

              off = *offp;
              *offp = off | 1;
             }

           if (off >= (bfd_vma) -2)
             abort ();

           if ((tls_type & TLS_TLS) != 0)
             {
              if (tls_type != (TLS_TLS | TLS_LD))
                {
                  if ((tls_mask & TLS_LD) != 0
                     && !(h == NULL
                          || !h->def_dynamic))
                    off += 8;
                  if (tls_type != (TLS_TLS | TLS_GD))
                    {
                     if ((tls_mask & TLS_GD) != 0)
                       off += 8;
                     if (tls_type != (TLS_TLS | TLS_DTPREL))
                       {
                         if ((tls_mask & TLS_DTPREL) != 0)
                           off += 4;
                       }
                    }
                }
             }

           relocation = htab->got->output_offset + off;
           relocation -= htab->elf.hgot->root.u.def.value;

           /* Addends on got relocations don't make much sense.
              x+off@got is actually x@got+off, and since the got is
              generated by a hash table traversal, the value in the
              got at entry m+n bears little relation to the entry m.  */
           if (addend != 0)
             (*_bfd_error_handler)
              (_("%B(%A+0x%lx): non-zero addend on %s reloc against `%s'"),
               input_bfd,
               input_section,
               (long) rel->r_offset,
               howto->name,
               sym_name);
         }
       break;

       /* Relocations that need no special processing.  */
       case R_PPC_LOCAL24PC:
         /* It makes no sense to point a local relocation
            at a symbol not in this object.  */
         if (unresolved_reloc)
           {
             if (! (*info->callbacks->undefined_symbol) (info,
                                                   h->root.root.string,
                                                   input_bfd,
                                                   input_section,
                                                   rel->r_offset,
                                                   TRUE))
              return FALSE;
             continue;
           }
         break;

       case R_PPC_DTPREL16:
       case R_PPC_DTPREL16_LO:
       case R_PPC_DTPREL16_HI:
       case R_PPC_DTPREL16_HA:
         addend -= htab->elf.tls_sec->vma + DTP_OFFSET;
         break;

         /* Relocations that may need to be propagated if this is a shared
            object.  */
       case R_PPC_TPREL16:
       case R_PPC_TPREL16_LO:
       case R_PPC_TPREL16_HI:
       case R_PPC_TPREL16_HA:
         addend -= htab->elf.tls_sec->vma + TP_OFFSET;
         /* 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;

       case R_PPC_TPREL32:
         addend -= htab->elf.tls_sec->vma + TP_OFFSET;
         goto dodyn;

       case R_PPC_DTPREL32:
         addend -= htab->elf.tls_sec->vma + DTP_OFFSET;
         goto dodyn;

       case R_PPC_DTPMOD32:
         relocation = 1;
         addend = 0;
         goto dodyn;

       case R_PPC_REL16:
       case R_PPC_REL16_LO:
       case R_PPC_REL16_HI:
       case R_PPC_REL16_HA:
         break;

       case R_PPC_REL24:
       case R_PPC_REL32:
       case R_PPC_REL14:
       case R_PPC_REL14_BRTAKEN:
       case R_PPC_REL14_BRNTAKEN:
         /* If these relocations are not to a named symbol, they can be
            handled right here, no need to bother the dynamic linker.  */
         if (SYMBOL_REFERENCES_LOCAL (info, h)
             || h == htab->elf.hgot)
           break;
         /* fall through */

         /* Relocations that always need to be propagated if this is a shared
            object.  */
       case R_PPC_ADDR32:
       case R_PPC_ADDR24:
       case R_PPC_ADDR16:
       case R_PPC_ADDR16_LO:
       case R_PPC_ADDR16_HI:
       case R_PPC_ADDR16_HA:
       case R_PPC_ADDR14:
       case R_PPC_ADDR14_BRTAKEN:
       case R_PPC_ADDR14_BRNTAKEN:
       case R_PPC_UADDR32:
       case R_PPC_UADDR16:
       dodyn:
         if ((input_section->flags & SEC_ALLOC) == 0)
           break;
         /* Fall thru.  */

         if ((info->shared
              && (h == NULL
                 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
                 || h->root.type != bfd_link_hash_undefweak)
              && (MUST_BE_DYN_RELOC (r_type)
                 || !SYMBOL_CALLS_LOCAL (info, h)))
             || (ELIMINATE_COPY_RELOCS
                && !info->shared
                && h != NULL
                && h->dynindx != -1
                && !h->non_got_ref
                && h->def_dynamic
                && !h->def_regular))
           {
             int skip;

#ifdef DEBUG
             fprintf (stderr, "ppc_elf_relocate_section needs to "
                     "create relocation for %s\n",
                     (h && h->root.root.string
                     ? h->root.root.string : "<unknown>"));
#endif

             /* When generating a shared object, these relocations
               are copied into the output file to be resolved at run
               time.  */
             if (sreloc == NULL)
              {
                const char *name;

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

                BFD_ASSERT (CONST_STRNEQ (name, ".rela")
                           && strcmp (bfd_get_section_name (input_bfd,
                                                        input_section),
                                    name + 5) == 0);

                sreloc = bfd_get_section_by_name (htab->elf.dynobj, name);
                BFD_ASSERT (sreloc != NULL);
              }

             skip = 0;

             outrel.r_offset =
              _bfd_elf_section_offset (output_bfd, info, input_section,
                                    rel->r_offset);
             if (outrel.r_offset == (bfd_vma) -1
                || outrel.r_offset == (bfd_vma) -2)
              skip = (int) outrel.r_offset;
             outrel.r_offset += (input_section->output_section->vma
                              + input_section->output_offset);

             if (skip)
              memset (&outrel, 0, sizeof outrel);
             else if (!SYMBOL_REFERENCES_LOCAL (info, h))
              {
                unresolved_reloc = FALSE;
                outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
                outrel.r_addend = rel->r_addend;
              }
             else
              {
                outrel.r_addend = relocation + rel->r_addend;

                if (r_type == R_PPC_ADDR32)
                  outrel.r_info = ELF32_R_INFO (0, R_PPC_RELATIVE);
                else
                  {
                    long indx;

                    if (bfd_is_abs_section (sec))
                     indx = 0;
                    else if (sec == NULL || sec->owner == NULL)
                     {
                       bfd_set_error (bfd_error_bad_value);
                       return FALSE;
                     }
                    else
                     {
                       asection *osec;

                       /* We are turning this relocation into one
                          against a section symbol.  It would be
                          proper to subtract the symbol's value,
                          osec->vma, from the emitted reloc addend,
                          but ld.so expects buggy relocs.  */
                       osec = sec->output_section;
                       indx = elf_section_data (osec)->dynindx;
                       if (indx == 0)
                         {
                           osec = htab->elf.text_index_section;
                           indx = elf_section_data (osec)->dynindx;
                         }
                       BFD_ASSERT (indx != 0);
#ifdef DEBUG
                       if (indx == 0)
                         printf ("indx=%ld section=%s flags=%08x name=%s\n",
                                indx, osec->name, osec->flags,
                                h->root.root.string);
#endif
                     }

                    outrel.r_info = ELF32_R_INFO (indx, r_type);
                  }
              }

             loc = sreloc->contents;
             loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
             bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);

             if (skip == -1)
              continue;

             /* This reloc will be computed at runtime.  We clear the memory
               so that it contains predictable value.  */
             if (! skip
                && ((input_section->flags & SEC_ALLOC) != 0
                    || ELF32_R_TYPE (outrel.r_info) != R_PPC_RELATIVE))
              {
                relocation = howto->pc_relative ? outrel.r_offset : 0;
                addend = 0;
                break;
              }
           }
         break;

       case R_PPC_RELAX32PC_PLT:
       case R_PPC_RELAX32_PLT:
         {
           struct plt_entry *ent = find_plt_ent (h, got2, addend);

           if (htab->plt_type == PLT_NEW)
             relocation = (htab->glink->output_section->vma
                         + htab->glink->output_offset
                         + ent->glink_offset);
           else
             relocation = (htab->plt->output_section->vma
                         + htab->plt->output_offset
                         + ent->plt.offset);
           addend = 0;
         }
         if (r_type == R_PPC_RELAX32_PLT)
           goto relax32;
         /* Fall thru */

       case R_PPC_RELAX32PC:
         relocation -= (input_section->output_section->vma
                      + input_section->output_offset
                      + rel->r_offset - 4);
         /* Fall thru */

       case R_PPC_RELAX32:
       relax32:
         {
           unsigned long t0;
           unsigned long t1;

           t0 = bfd_get_32 (output_bfd, contents + rel->r_offset);
           t1 = bfd_get_32 (output_bfd, contents + rel->r_offset + 4);

           /* We're clearing the bits for R_PPC_ADDR16_HA
              and R_PPC_ADDR16_LO here.  */
           t0 &= ~0xffff;
           t1 &= ~0xffff;

           /* t0 is HA, t1 is LO */
           relocation += addend;
           t0 |= ((relocation + 0x8000) >> 16) & 0xffff;
           t1 |= relocation & 0xffff;

           bfd_put_32 (output_bfd, t0, contents + rel->r_offset);
           bfd_put_32 (output_bfd, t1, contents + rel->r_offset + 4);
         }
         continue;

         /* Indirect .sdata relocation.  */
       case R_PPC_EMB_SDAI16:
         BFD_ASSERT (htab->sdata[0].section != NULL);
         relocation
           = elf_finish_pointer_linker_section (input_bfd, &htab->sdata[0],
                                           h, relocation, rel);
         break;

         /* Indirect .sdata2 relocation.  */
       case R_PPC_EMB_SDA2I16:
         BFD_ASSERT (htab->sdata[1].section != NULL);
         relocation
           = elf_finish_pointer_linker_section (input_bfd, &htab->sdata[1],
                                           h, relocation, rel);
         break;

         /* Handle the TOC16 reloc.  We want to use the offset within the .got
            section, not the actual VMA.  This is appropriate when generating
            an embedded ELF object, for which the .got section acts like the
            AIX .toc section.  */
       case R_PPC_TOC16:                  /* phony GOT16 relocations */
         BFD_ASSERT (sec != NULL);
         BFD_ASSERT (bfd_is_und_section (sec)
                    || strcmp (bfd_get_section_name (abfd, sec), ".got") == 0
                    || strcmp (bfd_get_section_name (abfd, sec), ".cgot") == 0);

           addend -= sec->output_section->vma + sec->output_offset + 0x8000;
         break;

       case R_PPC_PLTREL24:
         /* Relocation is to the entry for this symbol in the
            procedure linkage table.  */
         {
           struct plt_entry *ent = find_plt_ent (h, got2, addend);

           addend = 0;
           if (ent == NULL
              || htab->plt == NULL)
             {
              /* We didn't make a PLT entry for this symbol.  This
                 happens when statically linking PIC code, or when
                 using -Bsymbolic.  */
              break;
             }

           unresolved_reloc = FALSE;
           if (htab->plt_type == PLT_NEW)
             relocation = (htab->glink->output_section->vma
                         + htab->glink->output_offset
                         + ent->glink_offset);
           else
             relocation = (htab->plt->output_section->vma
                         + htab->plt->output_offset
                         + ent->plt.offset);
         }
         break;

         /* Relocate against _SDA_BASE_.  */
       case R_PPC_SDAREL16:
         {
           const char *name;
           struct elf_link_hash_entry *sh;

           BFD_ASSERT (sec != NULL);
           name = bfd_get_section_name (abfd, sec->output_section);
           if (! ((CONST_STRNEQ (name, ".sdata")
                  && (name[6] == 0 || name[6] == '.'))
                 || (CONST_STRNEQ (name, ".sbss")
                     && (name[5] == 0 || name[5] == '.'))))
             {
              (*_bfd_error_handler)
                (_("%B: the target (%s) of a %s relocation is "
                   "in the wrong output section (%s)"),
                 input_bfd,
                 sym_name,
                 howto->name,
                 name);
             }
           sh = htab->sdata[0].sym;
           addend -= (sh->root.u.def.value
                     + sh->root.u.def.section->output_offset
                     + sh->root.u.def.section->output_section->vma);
         }
         break;

         /* Relocate against _SDA2_BASE_.  */
       case R_PPC_EMB_SDA2REL:
         {
           const char *name;
           struct elf_link_hash_entry *sh;

           BFD_ASSERT (sec != NULL);
           name = bfd_get_section_name (abfd, sec->output_section);
           if (! (CONST_STRNEQ (name, ".sdata2")
                 || CONST_STRNEQ (name, ".sbss2")))
             {
              (*_bfd_error_handler)
                (_("%B: the target (%s) of a %s relocation is "
                   "in the wrong output section (%s)"),
                 input_bfd,
                 sym_name,
                 howto->name,
                 name);

              bfd_set_error (bfd_error_bad_value);
              ret = FALSE;
              continue;
             }
           sh = htab->sdata[1].sym;
           addend -= (sh->root.u.def.value
                     + sh->root.u.def.section->output_offset
                     + sh->root.u.def.section->output_section->vma);
         }
         break;

         /* Relocate against either _SDA_BASE_, _SDA2_BASE_, or 0.  */
       case R_PPC_EMB_SDA21:
       case R_PPC_EMB_RELSDA:
         {
           const char *name;
           int reg;
           struct elf_link_hash_entry *sh;

           BFD_ASSERT (sec != NULL);
           name = bfd_get_section_name (abfd, sec->output_section);
           if (((CONST_STRNEQ (name, ".sdata")
                && (name[6] == 0 || name[6] == '.'))
               || (CONST_STRNEQ (name, ".sbss")
                   && (name[5] == 0 || name[5] == '.'))))
             {
              reg = 13;
              sh = htab->sdata[0].sym;
              addend -= (sh->root.u.def.value
                        + sh->root.u.def.section->output_offset
                        + sh->root.u.def.section->output_section->vma);
             }

           else if (CONST_STRNEQ (name, ".sdata2")
                   || CONST_STRNEQ (name, ".sbss2"))
             {
              reg = 2;
              sh = htab->sdata[1].sym;
              addend -= (sh->root.u.def.value
                        + sh->root.u.def.section->output_offset
                        + sh->root.u.def.section->output_section->vma);
             }

           else if (strcmp (name, ".PPC.EMB.sdata0") == 0
                   || strcmp (name, ".PPC.EMB.sbss0") == 0)
             {
              reg = 0;
             }

           else
             {
              (*_bfd_error_handler)
                (_("%B: the target (%s) of a %s relocation is "
                   "in the wrong output section (%s)"),
                 input_bfd,
                 sym_name,
                 howto->name,
                 name);

              bfd_set_error (bfd_error_bad_value);
              ret = FALSE;
              continue;
             }

           if (r_type == R_PPC_EMB_SDA21)
             {                     /* fill in register field */
              insn = bfd_get_32 (output_bfd, contents + rel->r_offset);
              insn = (insn & ~RA_REGISTER_MASK) | (reg << RA_REGISTER_SHIFT);
              bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
             }
         }
         break;

         /* Relocate against the beginning of the section.  */
       case R_PPC_SECTOFF:
       case R_PPC_SECTOFF_LO:
       case R_PPC_SECTOFF_HI:
       case R_PPC_SECTOFF_HA:
         BFD_ASSERT (sec != NULL);
         addend -= sec->output_section->vma;
         break;

         /* Negative relocations.  */
       case R_PPC_EMB_NADDR32:
       case R_PPC_EMB_NADDR16:
       case R_PPC_EMB_NADDR16_LO:
       case R_PPC_EMB_NADDR16_HI:
       case R_PPC_EMB_NADDR16_HA:
         addend -= 2 * relocation;
         break;

       case R_PPC_COPY:
       case R_PPC_GLOB_DAT:
       case R_PPC_JMP_SLOT:
       case R_PPC_RELATIVE:
       case R_PPC_PLT32:
       case R_PPC_PLTREL32:
       case R_PPC_PLT16_LO:
       case R_PPC_PLT16_HI:
       case R_PPC_PLT16_HA:
       case R_PPC_ADDR30:
       case R_PPC_EMB_RELSEC16:
       case R_PPC_EMB_RELST_LO:
       case R_PPC_EMB_RELST_HI:
       case R_PPC_EMB_RELST_HA:
       case R_PPC_EMB_BIT_FLD:
         (*_bfd_error_handler)
           (_("%B: relocation %s is not yet supported for symbol %s."),
            input_bfd,
            howto->name,
            sym_name);

         bfd_set_error (bfd_error_invalid_operation);
         ret = FALSE;
         continue;
       }

      /* Do any further special processing.  */
      switch (r_type)
       {
       default:
         break;

       case R_PPC_ADDR16_HA:
       case R_PPC_REL16_HA:
       case R_PPC_SECTOFF_HA:
       case R_PPC_TPREL16_HA:
       case R_PPC_DTPREL16_HA:
       case R_PPC_EMB_NADDR16_HA:
       case R_PPC_EMB_RELST_HA:
         /* It's just possible that this symbol is a weak symbol
            that's not actually defined anywhere.  In that case,
            'sec' would be NULL, and we should leave the symbol
            alone (it will be set to zero elsewhere in the link).  */
         if (sec == NULL)
           break;
         /* Fall thru */

       case R_PPC_PLT16_HA:
       case R_PPC_GOT16_HA:
       case R_PPC_GOT_TLSGD16_HA:
       case R_PPC_GOT_TLSLD16_HA:
       case R_PPC_GOT_TPREL16_HA:
       case R_PPC_GOT_DTPREL16_HA:
         /* Add 0x10000 if sign bit in 0:15 is set.
            Bits 0:15 are not used.  */
         addend += 0x8000;
         break;
       }

#ifdef DEBUG
      fprintf (stderr, "\ttype = %s (%d), name = %s, symbol index = %ld, "
              "offset = %ld, addend = %ld\n",
              howto->name,
              (int) r_type,
              sym_name,
              r_symndx,
              (long) rel->r_offset,
              (long) addend);
#endif

      if (unresolved_reloc
         && !((input_section->flags & SEC_DEBUGGING) != 0
              && h->def_dynamic))
       {
         (*_bfd_error_handler)
           (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
            input_bfd,
            input_section,
            (long) rel->r_offset,
            howto->name,
            sym_name);
         ret = FALSE;
       }

      r = _bfd_final_link_relocate (howto,
                                input_bfd,
                                input_section,
                                contents,
                                rel->r_offset,
                                relocation,
                                addend);

      if (r != bfd_reloc_ok)
       {
         if (r == bfd_reloc_overflow)
           {
             if (warned)
              continue;
             if (h != NULL
                && h->root.type == bfd_link_hash_undefweak
                && howto->pc_relative)
              {
                /* Assume this is a call protected by other code that
                   detect the symbol is undefined.  If this is the case,
                   we can safely ignore the overflow.  If not, the
                   program is hosed anyway, and a little warning isn't
                   going to help.  */

                continue;
              }

             if (! (*info->callbacks->reloc_overflow) (info,
                                                 (h ? &h->root : NULL),
                                                 sym_name,
                                                 howto->name,
                                                 rel->r_addend,
                                                 input_bfd,
                                                 input_section,
                                                 rel->r_offset))
              return FALSE;
           }
         else
           {
             (*_bfd_error_handler)
              (_("%B(%A+0x%lx): %s reloc against `%s': error %d"),
               input_bfd, input_section,
               (long) rel->r_offset, howto->name, sym_name, (int) r);
             ret = FALSE;
           }
       }
    }

#ifdef DEBUG
  fprintf (stderr, "\n");
#endif

  return ret;
}

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static bfd_boolean ppc_elf_section_from_shdr ( bfd abfd,
Elf_Internal_Shdr hdr,
const char *  name,
int  shindex 
) [static]

Definition at line 1895 of file elf32-ppc.c.

{
  asection *newsect;
  flagword flags;

  if (! _bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex))
    return FALSE;

  newsect = hdr->bfd_section;
  flags = bfd_get_section_flags (abfd, newsect);
  if (hdr->sh_flags & SHF_EXCLUDE)
    flags |= SEC_EXCLUDE;

  if (hdr->sh_type == SHT_ORDERED)
    flags |= SEC_SORT_ENTRIES;

  bfd_set_section_flags (abfd, newsect, flags);
  return TRUE;
}

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int ppc_elf_select_plt_layout ( bfd *output_bfd  ATTRIBUTE_UNUSED,
struct bfd_link_info info,
int  force_old_plt,
int  emit_stub_syms 
)

Definition at line 3672 of file elf32-ppc.c.

{
  struct ppc_elf_link_hash_table *htab;
  flagword flags;

  htab = ppc_elf_hash_table (info);

  if (htab->plt_type == PLT_UNSET)
    htab->plt_type = (force_old_plt || !htab->can_use_new_plt
                    ? PLT_OLD : PLT_NEW);

  htab->emit_stub_syms = emit_stub_syms;

  BFD_ASSERT (htab->plt_type != PLT_VXWORKS);

  if (htab->plt_type == PLT_NEW)
    {
      flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS
              | SEC_IN_MEMORY | SEC_LINKER_CREATED);

      /* The new PLT is a loaded section.  */
      if (htab->plt != NULL
         && !bfd_set_section_flags (htab->elf.dynobj, htab->plt, flags))
       return -1;

      /* The new GOT is not executable.  */
      if (htab->got != NULL
         && !bfd_set_section_flags (htab->elf.dynobj, htab->got, flags))
       return -1;
    }
  else
    {
      /* Stop an unused .glink section from affecting .text alignment.  */
      if (htab->glink != NULL
         && !bfd_set_section_alignment (htab->elf.dynobj, htab->glink, 0))
       return -1;
    }
  return htab->plt_type == PLT_NEW;
}

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static bfd_boolean ppc_elf_set_private_flags ( bfd abfd,
flagword  flags 
) [static]

Definition at line 1761 of file elf32-ppc.c.

{
  BFD_ASSERT (!elf_flags_init (abfd)
             || elf_elfheader (abfd)->e_flags == flags);

  elf_elfheader (abfd)->e_flags = flags;
  elf_flags_init (abfd) = TRUE;
  return TRUE;
}
static bfd_boolean ppc_elf_size_dynamic_sections ( bfd *output_bfd  ATTRIBUTE_UNUSED,
struct bfd_link_info info 
) [static]

Definition at line 4692 of file elf32-ppc.c.

{
  struct ppc_elf_link_hash_table *htab;
  asection *s;
  bfd_boolean relocs;
  bfd *ibfd;

#ifdef DEBUG
  fprintf (stderr, "ppc_elf_size_dynamic_sections called\n");
#endif

  htab = ppc_elf_hash_table (info);
  BFD_ASSERT (htab->elf.dynobj != NULL);

  if (elf_hash_table (info)->dynamic_sections_created)
    {
      /* Set the contents of the .interp section to the interpreter.  */
      if (info->executable)
       {
         s = bfd_get_section_by_name (htab->elf.dynobj, ".interp");
         BFD_ASSERT (s != NULL);
         s->size = sizeof ELF_DYNAMIC_INTERPRETER;
         s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
       }
    }

  if (htab->plt_type == PLT_OLD)
    htab->got_header_size = 16;
  else if (htab->plt_type == PLT_NEW)
    htab->got_header_size = 12;

  /* Set up .got offsets for local syms, and space for local dynamic
     relocs.  */
  for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
    {
      bfd_signed_vma *local_got;
      bfd_signed_vma *end_local_got;
      char *lgot_masks;
      bfd_size_type locsymcount;
      Elf_Internal_Shdr *symtab_hdr;

      if (!is_ppc_elf_target (ibfd->xvec))
       continue;

      for (s = ibfd->sections; s != NULL; s = s->next)
       {
         struct ppc_elf_dyn_relocs *p;

         for (p = ((struct ppc_elf_dyn_relocs *)
                  elf_section_data (s)->local_dynrel);
              p != NULL;
              p = p->next)
           {
             if (!bfd_is_abs_section (p->sec)
                && bfd_is_abs_section (p->sec->output_section))
              {
                /* Input section has been discarded, either because
                   it is a copy of a linkonce section or due to
                   linker script /DISCARD/, so we'll be discarding
                   the relocs too.  */
              }
             else if (p->count != 0)
              {
                elf_section_data (p->sec)->sreloc->size
                  += p->count * sizeof (Elf32_External_Rela);
                if ((p->sec->output_section->flags
                     & (SEC_READONLY | SEC_ALLOC))
                    == (SEC_READONLY | SEC_ALLOC))
                  info->flags |= DF_TEXTREL;
              }
           }
       }

      local_got = elf_local_got_refcounts (ibfd);
      if (!local_got)
       continue;

      symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
      locsymcount = symtab_hdr->sh_info;
      end_local_got = local_got + locsymcount;
      lgot_masks = (char *) end_local_got;
      for (; local_got < end_local_got; ++local_got, ++lgot_masks)
       if (*local_got > 0)
         {
           if (*lgot_masks == (TLS_TLS | TLS_LD))
             {
              /* If just an LD reloc, we'll just use
                 htab->tlsld_got.offset.  */
              htab->tlsld_got.refcount += 1;
              *local_got = (bfd_vma) -1;
             }
           else
             {
              unsigned int need = 0;
              if ((*lgot_masks & TLS_TLS) != 0)
                {
                  if ((*lgot_masks & TLS_GD) != 0)
                    need += 8;
                  if ((*lgot_masks & (TLS_TPREL | TLS_TPRELGD)) != 0)
                    need += 4;
                  if ((*lgot_masks & TLS_DTPREL) != 0)
                    need += 4;
                }
              else
                need += 4;
              *local_got = allocate_got (htab, need);
              if (info->shared)
                htab->relgot->size += (need
                                    * (sizeof (Elf32_External_Rela) / 4));
             }
         }
       else
         *local_got = (bfd_vma) -1;
    }

  if (htab->tlsld_got.refcount > 0)
    {
      htab->tlsld_got.offset = allocate_got (htab, 8);
      if (info->shared)
       htab->relgot->size += sizeof (Elf32_External_Rela);
    }
  else
    htab->tlsld_got.offset = (bfd_vma) -1;

  /* Allocate space for global sym dynamic relocs.  */
  elf_link_hash_traverse (elf_hash_table (info), allocate_dynrelocs, info);

  if (htab->got != NULL && htab->plt_type != PLT_VXWORKS)
    {
      unsigned int g_o_t = 32768;

      /* If we haven't allocated the header, do so now.  When we get here,
        for old plt/got the got size will be 0 to 32764 (not allocated),
        or 32780 to 65536 (header allocated).  For new plt/got, the
        corresponding ranges are 0 to 32768 and 32780 to 65536.  */
      if (htab->got->size <= 32768)
       {
         g_o_t = htab->got->size;
         if (htab->plt_type == PLT_OLD)
           g_o_t += 4;
         htab->got->size += htab->got_header_size;
       }

      htab->elf.hgot->root.u.def.value = g_o_t;
    }

  if (htab->glink != NULL && htab->glink->size != 0)
    {
      htab->glink_pltresolve = htab->glink->size;
      /* Space for the branch table.  */
      htab->glink->size += htab->glink->size / (GLINK_ENTRY_SIZE / 4) - 4;
      /* Pad out to align the start of PLTresolve.  */
      htab->glink->size += -htab->glink->size & 15;
      htab->glink->size += GLINK_PLTRESOLVE;

      if (htab->emit_stub_syms)
       {
         struct elf_link_hash_entry *sh;
         sh = elf_link_hash_lookup (&htab->elf, "__glink",
                                 TRUE, FALSE, FALSE);
         if (sh == NULL)
           return FALSE;
         if (sh->root.type == bfd_link_hash_new)
           {
             sh->root.type = bfd_link_hash_defined;
             sh->root.u.def.section = htab->glink;
             sh->root.u.def.value = htab->glink_pltresolve;
             sh->ref_regular = 1;
             sh->def_regular = 1;
             sh->ref_regular_nonweak = 1;
             sh->forced_local = 1;
             sh->non_elf = 0;
           }
         sh = elf_link_hash_lookup (&htab->elf, "__glink_PLTresolve",
                                 TRUE, FALSE, FALSE);
         if (sh == NULL)
           return FALSE;
         if (sh->root.type == bfd_link_hash_new)
           {
             sh->root.type = bfd_link_hash_defined;
             sh->root.u.def.section = htab->glink;
             sh->root.u.def.value = htab->glink->size - GLINK_PLTRESOLVE;
             sh->ref_regular = 1;
             sh->def_regular = 1;
             sh->ref_regular_nonweak = 1;
             sh->forced_local = 1;
             sh->non_elf = 0;
           }
       }
    }

  /* We've now determined the sizes of the various dynamic sections.
     Allocate memory for them.  */
  relocs = FALSE;
  for (s = htab->elf.dynobj->sections; s != NULL; s = s->next)
    {
      bfd_boolean strip_section = TRUE;

      if ((s->flags & SEC_LINKER_CREATED) == 0)
       continue;

      if (s == htab->plt
         || s == htab->glink
         || s == htab->got
         || s == htab->sgotplt
         || s == htab->sbss
         || s == htab->dynbss
         || s == htab->dynsbss)
       {
         /* We'd like to strip these sections if they aren't needed, but if
            we've exported dynamic symbols from them we must leave them.
            It's too late to tell BFD to get rid of the symbols.  */
         if ((s == htab->plt || s == htab->got) && htab->elf.hplt != NULL)
           strip_section = FALSE;
         /* Strip this section if we don't need it; see the
            comment below.  */
       }
      else if (s == htab->sdata[0].section
              || s == htab->sdata[1].section)
       {
         /* Strip these too.  */
       }
      else if (CONST_STRNEQ (bfd_get_section_name (dynobj, s), ".rela"))
       {
         if (s->size != 0)
           {
             /* Remember whether there are any relocation sections.  */
             relocs = TRUE;

             /* We use the reloc_count field as a counter if we need
               to copy relocs into the output file.  */
             s->reloc_count = 0;
           }
       }
      else
       {
         /* It's not one of our sections, so don't allocate space.  */
         continue;
       }

      if (s->size == 0 && strip_section)
       {
         /* If we don't need this section, strip it from the
            output file.  This is mostly to handle .rela.bss and
            .rela.plt.  We must create both sections in
            create_dynamic_sections, because they must be created
            before the linker maps input sections to output
            sections.  The linker does that before
            adjust_dynamic_symbol is called, and it is that
            function which decides whether anything needs to go
            into these sections.  */
         s->flags |= SEC_EXCLUDE;
         continue;
       }

      if ((s->flags & SEC_HAS_CONTENTS) == 0)
       continue;

      /* Allocate memory for the section contents.  */
      s->contents = bfd_zalloc (htab->elf.dynobj, s->size);
      if (s->contents == NULL)
       return FALSE;
    }

  if (htab->elf.dynamic_sections_created)
    {
      /* Add some entries to the .dynamic section.  We fill in the
        values later, in ppc_elf_finish_dynamic_sections, but we
        must add the entries now so that we get the correct size for
        the .dynamic section.  The DT_DEBUG entry is filled in by the
        dynamic linker and used by the debugger.  */
#define add_dynamic_entry(TAG, VAL) \
  _bfd_elf_add_dynamic_entry (info, TAG, VAL)

      if (info->executable)
       {
         if (!add_dynamic_entry (DT_DEBUG, 0))
           return FALSE;
       }

      if (htab->plt != NULL && htab->plt->size != 0)
       {
         if (!add_dynamic_entry (DT_PLTGOT, 0)
             || !add_dynamic_entry (DT_PLTRELSZ, 0)
             || !add_dynamic_entry (DT_PLTREL, DT_RELA)
             || !add_dynamic_entry (DT_JMPREL, 0))
           return FALSE;
       }

      if (htab->glink != NULL && htab->glink->size != 0)
       {
         if (!add_dynamic_entry (DT_PPC_GOT, 0))
           return FALSE;
       }

      if (relocs)
       {
         if (!add_dynamic_entry (DT_RELA, 0)
             || !add_dynamic_entry (DT_RELASZ, 0)
             || !add_dynamic_entry (DT_RELAENT, sizeof (Elf32_External_Rela)))
           return FALSE;
       }

      /* If any dynamic relocs apply to a read-only section, then we
        need a DT_TEXTREL entry.  */
      if ((info->flags & DF_TEXTREL) == 0)
       elf_link_hash_traverse (elf_hash_table (info), readonly_dynrelocs,
                            info);

      if ((info->flags & DF_TEXTREL) != 0)
       {
         if (!add_dynamic_entry (DT_TEXTREL, 0))
           return FALSE;
       }
    }
#undef add_dynamic_entry

  return TRUE;
}

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

Definition at line 3899 of file elf32-ppc.c.

{
  bfd *ibfd;
  asection *sec;
  struct ppc_elf_link_hash_table *htab;

  if (info->relocatable || info->shared)
    return TRUE;

  htab = ppc_elf_hash_table (info);
  for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
    {
      Elf_Internal_Sym *locsyms = NULL;
      Elf_Internal_Shdr *symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;

      for (sec = ibfd->sections; sec != NULL; sec = sec->next)
       if (sec->has_tls_reloc && !bfd_is_abs_section (sec->output_section))
         {
           Elf_Internal_Rela *relstart, *rel, *relend;
           int expecting_tls_get_addr;

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

           expecting_tls_get_addr = 0;
           relend = relstart + sec->reloc_count;
           for (rel = relstart; rel < relend; rel++)
             {
              enum elf_ppc_reloc_type r_type;
              unsigned long r_symndx;
              struct elf_link_hash_entry *h = NULL;
              char *tls_mask;
              char tls_set, tls_clear;
              bfd_boolean is_local;

              r_symndx = ELF32_R_SYM (rel->r_info);
              if (r_symndx >= symtab_hdr->sh_info)
                {
                  struct elf_link_hash_entry **sym_hashes;

                  sym_hashes = elf_sym_hashes (ibfd);
                  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;
                }

              is_local = FALSE;
              if (h == NULL
                  || !h->def_dynamic)
                is_local = TRUE;

              r_type = ELF32_R_TYPE (rel->r_info);
              switch (r_type)
                {
                case R_PPC_GOT_TLSLD16:
                case R_PPC_GOT_TLSLD16_LO:
                case R_PPC_GOT_TLSLD16_HI:
                case R_PPC_GOT_TLSLD16_HA:
                  /* These relocs should never be against a symbol
                     defined in a shared lib.  Leave them alone if
                     that turns out to be the case.  */
                  expecting_tls_get_addr = 0;
                  htab->tlsld_got.refcount -= 1;
                  if (!is_local)
                    continue;

                  /* LD -> LE */
                  tls_set = 0;
                  tls_clear = TLS_LD;
                  expecting_tls_get_addr = 1;
                  break;

                case R_PPC_GOT_TLSGD16:
                case R_PPC_GOT_TLSGD16_LO:
                case R_PPC_GOT_TLSGD16_HI:
                case R_PPC_GOT_TLSGD16_HA:
                  if (is_local)
                    /* GD -> LE */
                    tls_set = 0;
                  else
                    /* GD -> IE */
                    tls_set = TLS_TLS | TLS_TPRELGD;
                  tls_clear = TLS_GD;
                  expecting_tls_get_addr = 1;
                  break;

                case R_PPC_GOT_TPREL16:
                case R_PPC_GOT_TPREL16_LO:
                case R_PPC_GOT_TPREL16_HI:
                case R_PPC_GOT_TPREL16_HA:
                  expecting_tls_get_addr = 0;
                  if (is_local)
                    {
                     /* IE -> LE */
                     tls_set = 0;
                     tls_clear = TLS_TPREL;
                     break;
                    }
                  else
                    continue;

                case R_PPC_REL14:
                case R_PPC_REL14_BRTAKEN:
                case R_PPC_REL14_BRNTAKEN:
                case R_PPC_REL24:
                  if (expecting_tls_get_addr
                     && h != NULL
                     && h == htab->tls_get_addr)
                    {
                     struct plt_entry *ent = find_plt_ent (h, NULL, 0);
                     if (ent != NULL && ent->plt.refcount > 0)
                       ent->plt.refcount -= 1;
                    }
                  expecting_tls_get_addr = 0;
                  continue;

                default:
                  expecting_tls_get_addr = 0;
                  continue;
                }

              if (h != NULL)
                {
                  if (tls_set == 0)
                    {
                     /* We managed to get rid of a got entry.  */
                     if (h->got.refcount > 0)
                       h->got.refcount -= 1;
                    }
                  tls_mask = &ppc_elf_hash_entry (h)->tls_mask;
                }
              else
                {
                  Elf_Internal_Sym *sym;
                  bfd_signed_vma *lgot_refs;
                  char *lgot_masks;

                  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)
                       {
                         if (elf_section_data (sec)->relocs != relstart)
                           free (relstart);
                         return FALSE;
                       }
                    }
                  sym = locsyms + r_symndx;
                  lgot_refs = elf_local_got_refcounts (ibfd);
                  if (lgot_refs == NULL)
                    abort ();
                  if (tls_set == 0)
                    {
                     /* We managed to get rid of a got entry.  */
                     if (lgot_refs[r_symndx] > 0)
                       lgot_refs[r_symndx] -= 1;
                    }
                  lgot_masks = (char *) (lgot_refs + symtab_hdr->sh_info);
                  tls_mask = &lgot_masks[r_symndx];
                }

              *tls_mask |= tls_set;
              *tls_mask &= ~tls_clear;
             }

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

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

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asection* ppc_elf_tls_setup ( bfd obfd,
struct bfd_link_info info 
)

Definition at line 3877 of file elf32-ppc.c.

{
  struct ppc_elf_link_hash_table *htab;

  htab = ppc_elf_hash_table (info);
  if (htab->plt_type == PLT_NEW
      && htab->plt != NULL
      && htab->plt->output_section != NULL)
    {
      elf_section_type (htab->plt->output_section) = SHT_PROGBITS;
      elf_section_flags (htab->plt->output_section) = SHF_ALLOC + SHF_WRITE;
    }

  htab->tls_get_addr = elf_link_hash_lookup (&htab->elf, "__tls_get_addr",
                                        FALSE, FALSE, TRUE);
  return _bfd_elf_tls_setup (obfd, info);
}

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

Definition at line 1651 of file elf32-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);

  if (error_message != NULL)
    {
      static char buf[60];
      sprintf (buf, _("generic linker can't handle %s"),
              reloc_entry->howto->name);
      *error_message = buf;
    }
  return bfd_reloc_dangerous;
}

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static bfd_boolean ppc_elf_vxworks_add_symbol_hook ( bfd abfd,
struct bfd_link_info info,
Elf_Internal_Sym *  sym,
const char **namep  ATTRIBUTE_UNUSED,
flagword *flagsp  ATTRIBUTE_UNUSED,
asection **  secp,
bfd_vma valp 
) [static]

Definition at line 7597 of file elf32-ppc.c.

{
  if (!elf_vxworks_add_symbol_hook(abfd, info, sym,namep, flagsp, secp,
                               valp))
    return FALSE;

  return ppc_elf_add_symbol_hook(abfd, info, sym,namep, flagsp, secp, valp);
}

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static void ppc_elf_vxworks_final_write_processing ( bfd abfd,
bfd_boolean  linker 
) [static]

Definition at line 7613 of file elf32-ppc.c.

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static struct bfd_elf_special_section* ppc_elf_vxworks_get_sec_type_attr ( bfd *abfd  ATTRIBUTE_UNUSED,
asection sec 
) [static, read]

Definition at line 7563 of file elf32-ppc.c.

{
  if (sec->name == NULL)
    return NULL;

  if (strcmp (sec->name, ".plt") == 0)
    return _bfd_elf_get_sec_type_attr (abfd, sec);

  return ppc_elf_get_sec_type_attr (abfd, sec);
}

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Definition at line 7577 of file elf32-ppc.c.

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static char* ppc_elf_write_core_note ( bfd abfd,
char *  buf,
int bufsiz,
int  note_type,
  ... 
) [static]

Definition at line 1834 of file elf32-ppc.c.

{
  switch (note_type)
    {
    default:
      return NULL;

    case NT_PRPSINFO:
      {
       char data[128];
       va_list ap;

       va_start (ap, note_type);
       memset (data, 0, 32);
       strncpy (data + 32, va_arg (ap, const char *), 16);
       strncpy (data + 48, va_arg (ap, const char *), 80);
       va_end (ap);
       return elfcore_write_note (abfd, buf, bufsiz,
                               "CORE", note_type, data, sizeof (data));
      }

    case NT_PRSTATUS:
      {
       char data[268];
       va_list ap;
       long pid;
       int cursig;
       const void *greg;

       va_start (ap, note_type);
       memset (data, 0, 72);
       pid = va_arg (ap, long);
       bfd_put_32 (abfd, pid, data + 24);
       cursig = va_arg (ap, int);
       bfd_put_16 (abfd, cursig, data + 12);
       greg = va_arg (ap, const void *);
       memcpy (data + 72, greg, 192);
       memset (data + 264, 0, 4);
       va_end (ap);
       return elfcore_write_note (abfd, buf, bufsiz,
                               "CORE", note_type, data, sizeof (data));
      }
    }
}

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static bfd_boolean ppc_elf_write_section ( bfd *abfd  ATTRIBUTE_UNUSED,
struct bfd_link_info *link_info  ATTRIBUTE_UNUSED,
asection asec,
bfd_byte *contents  ATTRIBUTE_UNUSED 
) [static]

Definition at line 2216 of file elf32-ppc.c.

{
  return (apuinfo_list_length ()
         && strcmp (asec->name, APUINFO_SECTION_NAME) == 0);
}

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static bfd_boolean readonly_dynrelocs ( struct elf_link_hash_entry h,
void *  info 
) [static]

Definition at line 4662 of file elf32-ppc.c.

{
  struct ppc_elf_dyn_relocs *p;

  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;

  for (p = ppc_elf_hash_entry (h)->dyn_relocs; p != NULL; p = p->next)
    {
      asection *s = p->sec->output_section;

      if (s != NULL
         && ((s->flags & (SEC_READONLY | SEC_ALLOC))
             == (SEC_READONLY | SEC_ALLOC)))
       {
         ((struct bfd_link_info *) info)->flags |= DF_TEXTREL;

         /* Not an error, just cut short the traversal.  */
         return FALSE;
       }
    }
  return TRUE;
}

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static bfd_boolean update_local_sym_info ( bfd abfd,
Elf_Internal_Shdr symtab_hdr,
unsigned long  r_symndx,
int  tls_type 
) [static]

Definition at line 2946 of file elf32-ppc.c.

{
  bfd_signed_vma *local_got_refcounts = elf_local_got_refcounts (abfd);
  char *local_got_tls_masks;

  if (local_got_refcounts == NULL)
    {
      bfd_size_type size = symtab_hdr->sh_info;

      size *= sizeof (*local_got_refcounts) + sizeof (*local_got_tls_masks);
      local_got_refcounts = bfd_zalloc (abfd, size);
      if (local_got_refcounts == NULL)
       return FALSE;
      elf_local_got_refcounts (abfd) = local_got_refcounts;
    }

  local_got_refcounts[r_symndx] += 1;
  local_got_tls_masks = (char *) (local_got_refcounts + symtab_hdr->sh_info);
  local_got_tls_masks[r_symndx] |= tls_type;
  return TRUE;
}

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static bfd_boolean update_plt_info ( bfd abfd,
struct elf_link_hash_entry h,
asection sec,
bfd_vma  addend 
) [static]

Definition at line 2972 of file elf32-ppc.c.

{
  struct plt_entry *ent;

  if (addend < 32768)
    sec = NULL;
  for (ent = h->plt.plist; ent != NULL; ent = ent->next)
    if (ent->sec == sec && ent->addend == addend)
      break;
  if (ent == NULL)
    {
      bfd_size_type amt = sizeof (*ent);
      ent = bfd_alloc (abfd, amt);
      if (ent == NULL)
       return FALSE;
      ent->next = h->plt.plist;
      ent->sec = sec;
      ent->addend = addend;
      ent->plt.refcount = 0;
      h->plt.plist = ent;
    }
  ent->plt.refcount += 1;
  return TRUE;
}

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Variable Documentation

Initial value:
{
  { STRING_COMMA_LEN (".plt"),             0, SHT_NOBITS,   SHF_ALLOC + SHF_EXECINSTR },
  { STRING_COMMA_LEN (".sbss"),           -2, SHT_NOBITS,   SHF_ALLOC + SHF_WRITE },
  { STRING_COMMA_LEN (".sbss2"),          -2, SHT_PROGBITS, SHF_ALLOC },
  { STRING_COMMA_LEN (".sdata"),          -2, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
  { STRING_COMMA_LEN (".sdata2"),         -2, SHT_PROGBITS, SHF_ALLOC },
  { STRING_COMMA_LEN (".tags"),            0, SHT_ORDERED,  SHF_ALLOC },
  { STRING_COMMA_LEN (".PPC.EMB.apuinfo"), 0, SHT_NOTE,     0 },
  { STRING_COMMA_LEN (".PPC.EMB.sbss0"),   0, SHT_PROGBITS, SHF_ALLOC },
  { STRING_COMMA_LEN (".PPC.EMB.sdata0"),  0, SHT_PROGBITS, SHF_ALLOC },
  { NULL,                              0,  0, 0,            0 }
}

Definition at line 1960 of file elf32-ppc.c.

apuinfo_list* head [static]

Definition at line 2007 of file elf32-ppc.c.

reloc_howto_type ppc_elf_howto_raw[] [static]

Definition at line 162 of file elf32-ppc.c.

reloc_howto_type* ppc_elf_howto_table[R_PPC_max] [static]

Definition at line 160 of file elf32-ppc.c.

Initial value:
  {
    0x819e0008, 
    0x7d8903a6, 
    0x819e0004, 
    0x4e800420, 
    0x60000000, 
    0x60000000, 
    0x60000000, 
    0x60000000, 
  }

Definition at line 108 of file elf32-ppc.c.

Initial value:
  {
    0x3d9e0000, 
    0x818c0000, 
    0x7d8903a6, 
    0x4e800420, 
    0x39600000, 
    0x48000000, 
    0x60000000, 
    0x60000000, 
  }

Definition at line 81 of file elf32-ppc.c.

Initial value:
  {
    0x3d800000, 
    0x398c0000, 
    0x800c0008, 
    0x7c0903a6, 
    0x818c0004, 
    0x4e800420, 
    0x60000000, 
    0x60000000, 
  }

Definition at line 96 of file elf32-ppc.c.

Initial value:
  {
    0x3d800000, 
    0x818c0000, 
    0x7d8903a6, 
    0x4e800420, 
    0x39600000, 
    0x48000000, 
    0x60000000, 
    0x60000000, 
  }

Definition at line 69 of file elf32-ppc.c.

Initial value:
  {
    0x7c0802a6, 
    0x429f0005, 
    0x7d6802a6, 
    0x3d6b0000, 
    0x396b0018, 
    0x7c0803a6, 
    0x7d6903a6, 
    0x4e800420, 
  }

Definition at line 5015 of file elf32-ppc.c.

const int stub_entry[] [static]
Initial value:
  {
    0x3d600000, 
    0x396b0000, 
    0x7d6903a6, 
    0x4e800420, 
  }

Definition at line 5027 of file elf32-ppc.c.