Back to index

cell-binutils  2.17cvs20070401
Classes | Defines | Typedefs | Enumerations | Functions | Variables
coff-arm.c File Reference
#include "bfd.h"
#include "sysdep.h"
#include "libbfd.h"
#include "coff/arm.h"
#include "coff/internal.h"
#include "libcoff.h"
#include "coffcode.h"
#include "coff/pe.h"
This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Classes

Defines

#define APCS_26_FLAG(abfd)   (coff_data (abfd)->flags & F_APCS_26)
#define APCS_FLOAT_FLAG(abfd)   (coff_data (abfd)->flags & F_APCS_FLOAT)
#define PIC_FLAG(abfd)   (coff_data (abfd)->flags & F_PIC)
#define APCS_SET(abfd)   (coff_data (abfd)->flags & F_APCS_SET)
#define SET_APCS_FLAGS(abfd, flgs)
#define INTERWORK_FLAG(abfd)   (coff_data (abfd)->flags & F_INTERWORK)
#define INTERWORK_SET(abfd)   (coff_data (abfd)->flags & F_INTERWORK_SET)
#define SET_INTERWORK_FLAG(abfd, flg)
#define NUM_ELEM(a)   ((sizeof (a)) / sizeof ((a)[0]))
#define THUMB2ARM_GLUE_SECTION_NAME   ".glue_7t"
#define THUMB2ARM_GLUE_ENTRY_NAME   "__%s_from_thumb"
#define ARM2THUMB_GLUE_SECTION_NAME   ".glue_7"
#define ARM2THUMB_GLUE_ENTRY_NAME   "__%s_from_arm"
#define DOIT(x)
#define TARGET_UNDERSCORE   '_'
#define PCRELOFFSET   TRUE
#define ARM_8   0
#define ARM_16   1
#define ARM_32   2
#define ARM_26   3
#define ARM_DISP8   4
#define ARM_DISP16   5
#define ARM_DISP32   6
#define ARM_26D   7
#define ARM_NEG16   9
#define ARM_NEG32   10
#define ARM_RVA32   11
#define ARM_THUMB9   12
#define ARM_THUMB12   13
#define ARM_THUMB23   14
#define NUM_RELOCS   NUM_ELEM (aoutarm_std_reloc_howto)
#define RTYPE2HOWTO(cache_ptr, dst)
#define coff_rtype_to_howto   coff_arm_rtype_to_howto
#define ASTD(i, j)   case i: return aoutarm_std_reloc_howto + j
#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER   2
#define COFF_PAGE_SIZE   0x1000
#define SELECT_RELOC(x, howto)   { x.r_type = howto->type; }
#define BADMAG(x)   ARMBADMAG(x)
#define ARM   1 /* Customize coffcode.h. */
#define SWAP_IN_RELOC_OFFSET   H_GET_32
#define SWAP_OUT_RELOC_OFFSET   H_PUT_32
#define coff_arm_hash_table(info)   ((struct coff_arm_link_hash_table *) ((info)->hash))
#define LOW_HI_ORDER   0xF800F000
#define HI_LOW_ORDER   0xF000F800
#define ARM2THUMB_GLUE_SIZE   12
#define THUMB2ARM_GLUE_SIZE   (globals->support_old_code ? 20 : 8)
#define CHANGE_TO_ARM   "__%s_change_to_arm"
#define BACK_FROM_ARM   "__%s_back_from_arm"
#define coff_bfd_reloc_type_lookup   coff_arm_reloc_type_lookup
#define coff_bfd_reloc_name_lookup   coff_arm_reloc_name_lookup
#define coff_relocate_section   coff_arm_relocate_section
#define coff_bfd_is_local_label_name   coff_arm_is_local_label_name
#define coff_adjust_symndx   coff_arm_adjust_symndx
#define coff_link_output_has_begun   coff_arm_link_output_has_begun
#define coff_final_link_postscript   coff_arm_final_link_postscript
#define coff_bfd_merge_private_bfd_data   coff_arm_merge_private_bfd_data
#define coff_bfd_print_private_bfd_data   coff_arm_print_private_bfd_data
#define coff_bfd_set_private_flags   _bfd_coff_arm_set_private_flags
#define coff_bfd_copy_private_bfd_data   coff_arm_copy_private_bfd_data
#define coff_bfd_link_hash_table_create   coff_arm_link_hash_table_create
#define LOCAL_LABEL_PREFIX   ""
#define USER_LABEL_PREFIX   "_"
#define TARGET_LITTLE_SYM   armcoff_little_vec
#define TARGET_LITTLE_NAME   "coff-arm-little"
#define TARGET_BIG_SYM   armcoff_big_vec
#define TARGET_BIG_NAME   "coff-arm-big"
#define EXTRA_S_FLAGS   SEC_CODE

Typedefs

typedef unsigned long int insn32
typedef unsigned short int insn16

Enumerations

enum  thumb_pcrel_branchtype { bunknown, b9, b12, b23 }

Functions

static bfd_reloc_status_type coff_arm_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol ATTRIBUTE_UNUSED, void *data, asection *input_section ATTRIBUTE_UNUSED, bfd *output_bfd, char **error_message ATTRIBUTE_UNUSED)
static bfd_reloc_status_type aoutarm_fix_pcrel_26_done (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **)
static bfd_reloc_status_type aoutarm_fix_pcrel_26 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **)
static bfd_reloc_status_type coff_thumb_pcrel_12 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **)
static bfd_reloc_status_type coff_thumb_pcrel_9 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **)
static bfd_reloc_status_type coff_thumb_pcrel_23 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **)
static reloc_howto_type * coff_arm_rtype_to_howto (bfd *abfd ATTRIBUTE_UNUSED, asection *sec, struct internal_reloc *rel, struct coff_link_hash_entry *h ATTRIBUTE_UNUSED, struct internal_syment *sym ATTRIBUTE_UNUSED, bfd_vma *addendp)
static bfd_reloc_status_type aoutarm_fix_pcrel_26_done (bfd *abfd ATTRIBUTE_UNUSED, arelent *reloc_entry ATTRIBUTE_UNUSED, asymbol *symbol ATTRIBUTE_UNUSED, void *data ATTRIBUTE_UNUSED, asection *input_section ATTRIBUTE_UNUSED, bfd *output_bfd ATTRIBUTE_UNUSED, char **error_message ATTRIBUTE_UNUSED)
static bfd_reloc_status_type aoutarm_fix_pcrel_26 (bfd *abfd, arelent *reloc_entry, asymbol *symbol, void *data, asection *input_section, bfd *output_bfd, char **error_message ATTRIBUTE_UNUSED)
static bfd_reloc_status_type coff_thumb_pcrel_common (bfd *abfd, arelent *reloc_entry, asymbol *symbol, void *data, asection *input_section, bfd *output_bfd, char **error_message ATTRIBUTE_UNUSED, thumb_pcrel_branchtype btype)
static struct reloc_howto_structcoff_arm_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code)
static reloc_howto_type * coff_arm_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, const char *r_name)
static struct bfd_link_hash_tablecoff_arm_link_hash_table_create (bfd *abfd)
static void arm_emit_base_file_entry (struct bfd_link_info *info, bfd *output_bfd, asection *input_section, bfd_vma reloc_offset)
static insn32 insert_thumb_branch (insn32 br_insn, int rel_off)
static struct
coff_link_hash_entry
find_thumb_glue (struct bfd_link_info *info, const char *name, bfd *input_bfd)
static struct
coff_link_hash_entry
find_arm_glue (struct bfd_link_info *info, const char *name, bfd *input_bfd)
static bfd_boolean coff_arm_relocate_section (bfd *output_bfd, struct bfd_link_info *info, bfd *input_bfd, asection *input_section, bfd_byte *contents, struct internal_reloc *relocs, struct internal_syment *syms, asection **sections)
bfd_boolean bfd_arm_allocate_interworking_sections (struct bfd_link_info *info)
static void record_arm_to_thumb_glue (struct bfd_link_info *info, struct coff_link_hash_entry *h)
static void record_thumb_to_arm_glue (struct bfd_link_info *info, struct coff_link_hash_entry *h)
bfd_boolean bfd_arm_get_bfd_for_interworking (bfd *abfd, struct bfd_link_info *info)
bfd_boolean bfd_arm_process_before_allocation (bfd *abfd, struct bfd_link_info *info, int support_old_code)
static bfd_boolean coff_arm_adjust_symndx (bfd *obfd ATTRIBUTE_UNUSED, struct bfd_link_info *info ATTRIBUTE_UNUSED, bfd *ibfd, asection *sec, struct internal_reloc *irel, bfd_boolean *adjustedp)
static bfd_boolean coff_arm_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
static bfd_boolean coff_arm_print_private_bfd_data (bfd *abfd, void *ptr)
static bfd_boolean _bfd_coff_arm_set_private_flags (bfd *abfd, flagword flags)
static bfd_boolean coff_arm_copy_private_bfd_data (bfd *src, bfd *dest)
static bfd_boolean coff_arm_is_local_label_name (bfd *abfd ATTRIBUTE_UNUSED, const char *name)
static bfd_boolean coff_arm_link_output_has_begun (bfd *sub, struct coff_final_link_info *info)
static bfd_boolean coff_arm_final_link_postscript (bfd *abfd ATTRIBUTE_UNUSED, struct coff_final_link_info *pfinfo)

Variables

static reloc_howto_type aoutarm_std_reloc_howto []
static const insn32 a2t1_ldr_insn = 0xe59fc000
static const insn32 a2t2_bx_r12_insn = 0xe12fff1c
static const insn32 a2t3_func_addr_insn = 0x00000001
static const insn16 t2a1_bx_pc_insn = 0x4778
static const insn16 t2a2_noop_insn = 0x46c0
static const insn32 t2a3_b_insn = 0xea000000
static const insn16 t2a1_push_insn = 0xb540
static const insn16 t2a2_ldr_insn = 0x4e03
static const insn16 t2a3_mov_insn = 0x46fe
static const insn16 t2a4_bx_insn = 0x4730
static const insn32 t2a5_pop_insn = 0xe8bd4040
static const insn32 t2a6_bx_insn = 0xe12fff1e
const bfd_target TARGET_BIG_SYM

Class Documentation

struct coff_arm_link_hash_table

Definition at line 891 of file coff-arm.c.

Collaboration diagram for coff_arm_link_hash_table:
Class Members
bfd_size_type arm_glue_size
bfd * bfd_of_glue_owner
int support_old_code
bfd_size_type thumb_glue_size

Define Documentation

#define APCS_26_FLAG (   abfd)    (coff_data (abfd)->flags & F_APCS_26)

Definition at line 37 of file coff-arm.c.

#define APCS_FLOAT_FLAG (   abfd)    (coff_data (abfd)->flags & F_APCS_FLOAT)

Definition at line 40 of file coff-arm.c.

#define APCS_SET (   abfd)    (coff_data (abfd)->flags & F_APCS_SET)

Definition at line 46 of file coff-arm.c.

#define ARM   1 /* Customize coffcode.h. */

Definition at line 879 of file coff-arm.c.

#define ARM2THUMB_GLUE_ENTRY_NAME   "__%s_from_arm"

Definition at line 89 of file coff-arm.c.

#define ARM2THUMB_GLUE_SECTION_NAME   ".glue_7"

Definition at line 88 of file coff-arm.c.

#define ARM2THUMB_GLUE_SIZE   12

Definition at line 1083 of file coff-arm.c.

#define ARM_16   1

Definition at line 180 of file coff-arm.c.

#define ARM_26   3

Definition at line 182 of file coff-arm.c.

#define ARM_26D   7

Definition at line 186 of file coff-arm.c.

#define ARM_32   2

Definition at line 181 of file coff-arm.c.

#define ARM_8   0

Definition at line 179 of file coff-arm.c.

#define ARM_DISP16   5

Definition at line 184 of file coff-arm.c.

#define ARM_DISP32   6

Definition at line 185 of file coff-arm.c.

#define ARM_DISP8   4

Definition at line 183 of file coff-arm.c.

#define ARM_NEG16   9

Definition at line 188 of file coff-arm.c.

#define ARM_NEG32   10

Definition at line 189 of file coff-arm.c.

#define ARM_RVA32   11

Definition at line 190 of file coff-arm.c.

#define ARM_THUMB12   13

Definition at line 192 of file coff-arm.c.

#define ARM_THUMB23   14

Definition at line 193 of file coff-arm.c.

#define ARM_THUMB9   12

Definition at line 191 of file coff-arm.c.

#define ASTD (   i,
  j 
)    case i: return aoutarm_std_reloc_howto + j
#define BACK_FROM_ARM   "__%s_back_from_arm"
#define BADMAG (   x)    ARMBADMAG(x)

Definition at line 878 of file coff-arm.c.

#define CHANGE_TO_ARM   "__%s_change_to_arm"

Definition at line 2135 of file coff-arm.c.

#define coff_arm_hash_table (   info)    ((struct coff_arm_link_hash_table *) ((info)->hash))

Definition at line 910 of file coff-arm.c.

Definition at line 2141 of file coff-arm.c.

Definition at line 2134 of file coff-arm.c.

Definition at line 2142 of file coff-arm.c.

Definition at line 2138 of file coff-arm.c.

Definition at line 2139 of file coff-arm.c.

Definition at line 2132 of file coff-arm.c.

Definition at line 2131 of file coff-arm.c.

Definition at line 2140 of file coff-arm.c.

Definition at line 873 of file coff-arm.c.

Definition at line 2137 of file coff-arm.c.

Definition at line 2136 of file coff-arm.c.

#define COFF_PAGE_SIZE   0x1000

Definition at line 874 of file coff-arm.c.

Definition at line 2133 of file coff-arm.c.

Definition at line 521 of file coff-arm.c.

#define DOIT (   x)
Value:
x = ((x & ~howto->dst_mask)                             \
       | (((x & howto->src_mask) + diff) & howto->dst_mask))
#define EXTRA_S_FLAGS   SEC_CODE

Definition at line 2548 of file coff-arm.c.

#define HI_LOW_ORDER   0xF000F800

Definition at line 988 of file coff-arm.c.

#define INTERWORK_FLAG (   abfd)    (coff_data (abfd)->flags & F_INTERWORK)

Definition at line 57 of file coff-arm.c.

#define INTERWORK_SET (   abfd)    (coff_data (abfd)->flags & F_INTERWORK_SET)

Definition at line 60 of file coff-arm.c.

#define LOCAL_LABEL_PREFIX   ""

Definition at line 2446 of file coff-arm.c.

#define LOW_HI_ORDER   0xF800F000

Definition at line 987 of file coff-arm.c.

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

Definition at line 72 of file coff-arm.c.

Definition at line 501 of file coff-arm.c.

#define PCRELOFFSET   TRUE

Definition at line 161 of file coff-arm.c.

#define PIC_FLAG (   abfd)    (coff_data (abfd)->flags & F_PIC)

Definition at line 43 of file coff-arm.c.

#define RTYPE2HOWTO (   cache_ptr,
  dst 
)
Value:
(cache_ptr)->howto =                      \
    (dst)->r_type < NUM_RELOCS                   \
    ? aoutarm_std_reloc_howto + (dst)->r_type    \
    : NULL

Definition at line 515 of file coff-arm.c.

#define SELECT_RELOC (   x,
  howto 
)    { x.r_type = howto->type; }

Definition at line 877 of file coff-arm.c.

#define SET_APCS_FLAGS (   abfd,
  flgs 
)
Value:
do                                                             \
    {                                                          \
      coff_data (abfd)->flags &= ~(F_APCS_26 | F_APCS_FLOAT | F_PIC); \
      coff_data (abfd)->flags |= (flgs) | F_APCS_SET;                 \
    }                                                          \
  while (0)

Definition at line 49 of file coff-arm.c.

#define SET_INTERWORK_FLAG (   abfd,
  flg 
)
Value:
do                                                             \
    {                                                          \
      coff_data (abfd)->flags &= ~F_INTERWORK;                        \
      coff_data (abfd)->flags |= (flg) | F_INTERWORK_SET;             \
    }                                                          \
  while (0)

Definition at line 63 of file coff-arm.c.

Definition at line 884 of file coff-arm.c.

Definition at line 885 of file coff-arm.c.

#define TARGET_BIG_NAME   "coff-arm-big"

Definition at line 2537 of file coff-arm.c.

Definition at line 2534 of file coff-arm.c.

#define TARGET_LITTLE_NAME   "coff-arm-little"

Definition at line 2531 of file coff-arm.c.

Definition at line 2528 of file coff-arm.c.

#define TARGET_UNDERSCORE   '_'

Definition at line 157 of file coff-arm.c.

#define THUMB2ARM_GLUE_ENTRY_NAME   "__%s_from_thumb"

Definition at line 86 of file coff-arm.c.

#define THUMB2ARM_GLUE_SECTION_NAME   ".glue_7t"

Definition at line 85 of file coff-arm.c.

#define THUMB2ARM_GLUE_SIZE   (globals->support_old_code ? 20 : 8)

Definition at line 1106 of file coff-arm.c.

#define USER_LABEL_PREFIX   "_"

Definition at line 2449 of file coff-arm.c.


Typedef Documentation

typedef unsigned short int insn16

Definition at line 78 of file coff-arm.c.

Definition at line 77 of file coff-arm.c.


Enumeration Type Documentation

Enumerator:
bunknown 
b9 
b12 
b23 

Definition at line 75 of file coff-arm.c.


Function Documentation

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

Definition at line 2334 of file coff-arm.c.

{
  flagword flag;

  BFD_ASSERT (abfd != NULL);

  flag = (flags & F_APCS26) ? F_APCS_26 : 0;

  /* Make sure that the APCS field has not been initialised to the opposite
     value.  */
  if (APCS_SET (abfd)
      && (   (APCS_26_FLAG    (abfd) != flag)
         || (APCS_FLOAT_FLAG (abfd) != (flags & F_APCS_FLOAT))
         || (PIC_FLAG        (abfd) != (flags & F_PIC))
         ))
    return FALSE;

  flag |= (flags & (F_APCS_FLOAT | F_PIC));

  SET_APCS_FLAGS (abfd, flag);

  flag = (flags & F_INTERWORK);

  /* If the BFD has already had its interworking flag set, but it
     is different from the value that we have been asked to set,
     then assume that that merged code will not support interworking
     and set the flag accordingly.  */
  if (INTERWORK_SET (abfd) && (INTERWORK_FLAG (abfd) != flag))
    {
      if (flag)
       /* xgettext: c-format */
       _bfd_error_handler (_("Warning: Not setting interworking flag of %B since it has already been specified as non-interworking"),
                         abfd);
      else
       /* xgettext: c-format */
       _bfd_error_handler (_("Warning: Clearing the interworking flag of %B due to outside request"),
                         abfd);
      flag = 0;
    }

  SET_INTERWORK_FLAG (abfd, flag);

  return TRUE;
}

Here is the caller graph for this function:

static bfd_reloc_status_type aoutarm_fix_pcrel_26 ( bfd ,
arelent ,
asymbol ,
void *  ,
asection ,
bfd ,
char **   
) [static]

Here is the caller graph for this function:

static bfd_reloc_status_type aoutarm_fix_pcrel_26 ( bfd abfd,
arelent reloc_entry,
asymbol symbol,
void *  data,
asection input_section,
bfd output_bfd,
char **error_message  ATTRIBUTE_UNUSED 
) [static]

Definition at line 588 of file coff-arm.c.

{
  bfd_vma relocation;
  bfd_size_type addr = reloc_entry->address;
  long target = bfd_get_32 (abfd, (bfd_byte *) data + addr);
  bfd_reloc_status_type flag = bfd_reloc_ok;

  /* If this is an undefined symbol, return error.  */
  if (symbol->section == &bfd_und_section
      && (symbol->flags & BSF_WEAK) == 0)
    return output_bfd ? bfd_reloc_continue : bfd_reloc_undefined;

  /* If the sections are different, and we are doing a partial relocation,
     just ignore it for now.  */
  if (symbol->section->name != input_section->name
      && output_bfd != (bfd *)NULL)
    return bfd_reloc_continue;

  relocation = (target & 0x00ffffff) << 2;
  relocation = (relocation ^ 0x02000000) - 0x02000000; /* Sign extend.  */
  relocation += symbol->value;
  relocation += symbol->section->output_section->vma;
  relocation += symbol->section->output_offset;
  relocation += reloc_entry->addend;
  relocation -= input_section->output_section->vma;
  relocation -= input_section->output_offset;
  relocation -= addr;

  if (relocation & 3)
    return bfd_reloc_overflow;

  /* Check for overflow.  */
  if (relocation & 0x02000000)
    {
      if ((relocation & ~ (bfd_vma) 0x03ffffff) != ~ (bfd_vma) 0x03ffffff)
       flag = bfd_reloc_overflow;
    }
  else if (relocation & ~(bfd_vma) 0x03ffffff)
    flag = bfd_reloc_overflow;

  target &= ~0x00ffffff;
  target |= (relocation >> 2) & 0x00ffffff;
  bfd_put_32 (abfd, (bfd_vma) target, (bfd_byte *) data + addr);

  /* Now the ARM magic... Change the reloc type so that it is marked as done.
     Strictly this is only necessary if we are doing a partial relocation.  */
  reloc_entry->howto = &aoutarm_std_reloc_howto[ARM_26D];

  return flag;
}
static bfd_reloc_status_type aoutarm_fix_pcrel_26_done ( bfd ,
arelent ,
asymbol ,
void *  ,
asection ,
bfd ,
char **   
) [static]
static bfd_reloc_status_type aoutarm_fix_pcrel_26_done ( bfd *abfd  ATTRIBUTE_UNUSED,
arelent *reloc_entry  ATTRIBUTE_UNUSED,
asymbol *symbol  ATTRIBUTE_UNUSED,
void *data  ATTRIBUTE_UNUSED,
asection *input_section  ATTRIBUTE_UNUSED,
bfd *output_bfd  ATTRIBUTE_UNUSED,
char **error_message  ATTRIBUTE_UNUSED 
) [static]

Definition at line 573 of file coff-arm.c.

{
  /* This is dead simple at present.  */
  return bfd_reloc_ok;
}
static void arm_emit_base_file_entry ( struct bfd_link_info info,
bfd output_bfd,
asection input_section,
bfd_vma  reloc_offset 
) [static]

Definition at line 942 of file coff-arm.c.

{
  bfd_vma addr = reloc_offset
                - input_section->vma
                + input_section->output_offset
                  + input_section->output_section->vma;

  if (coff_data (output_bfd)->pe)
     addr -= pe_data (output_bfd)->pe_opthdr.ImageBase;
  fwrite (& addr, 1, sizeof (addr), (FILE *) info->base_file);

}

Here is the caller graph for this function:

Definition at line 1783 of file coff-arm.c.

{
  asection *                        s;
  bfd_byte *                        foo;
  struct coff_arm_link_hash_table * globals;

  globals = coff_arm_hash_table (info);

  BFD_ASSERT (globals != NULL);

  if (globals->arm_glue_size != 0)
    {
      BFD_ASSERT (globals->bfd_of_glue_owner != NULL);

      s = bfd_get_section_by_name
       (globals->bfd_of_glue_owner, ARM2THUMB_GLUE_SECTION_NAME);

      BFD_ASSERT (s != NULL);

      foo = bfd_alloc (globals->bfd_of_glue_owner, globals->arm_glue_size);

      s->size = globals->arm_glue_size;
      s->contents = foo;
    }

  if (globals->thumb_glue_size != 0)
    {
      BFD_ASSERT (globals->bfd_of_glue_owner != NULL);

      s = bfd_get_section_by_name
       (globals->bfd_of_glue_owner, THUMB2ARM_GLUE_SECTION_NAME);

      BFD_ASSERT (s != NULL);

      foo = bfd_alloc (globals->bfd_of_glue_owner, globals->thumb_glue_size);

      s->size = globals->thumb_glue_size;
      s->contents = foo;
    }

  return TRUE;
}

Here is the call graph for this function:

Definition at line 1963 of file coff-arm.c.

{
  struct coff_arm_link_hash_table * globals;
  flagword                      flags;
  asection *                    sec;

  /* If we are only performing a partial link do not bother
     getting a bfd to hold the glue.  */
  if (info->relocatable)
    return TRUE;

  globals = coff_arm_hash_table (info);

  BFD_ASSERT (globals != NULL);

  if (globals->bfd_of_glue_owner != NULL)
    return TRUE;

  sec = bfd_get_section_by_name (abfd, ARM2THUMB_GLUE_SECTION_NAME);

  if (sec == NULL)
    {
      flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
              | SEC_CODE | SEC_READONLY);
      sec = bfd_make_section_with_flags (abfd, ARM2THUMB_GLUE_SECTION_NAME,
                                    flags);
      if (sec == NULL
         || ! bfd_set_section_alignment (abfd, sec, 2))
       return FALSE;
    }

  sec = bfd_get_section_by_name (abfd, THUMB2ARM_GLUE_SECTION_NAME);

  if (sec == NULL)
    {
      flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
              | SEC_CODE | SEC_READONLY);
      sec = bfd_make_section_with_flags (abfd, THUMB2ARM_GLUE_SECTION_NAME,
                                    flags);

      if (sec == NULL
         || ! bfd_set_section_alignment (abfd, sec, 2))
       return FALSE;
    }

  /* Save the bfd for later use.  */
  globals->bfd_of_glue_owner = abfd;

  return TRUE;
}

Here is the call graph for this function:

bfd_boolean bfd_arm_process_before_allocation ( bfd abfd,
struct bfd_link_info info,
int  support_old_code 
)

Definition at line 2016 of file coff-arm.c.

{
  asection * sec;
  struct coff_arm_link_hash_table * globals;

  /* If we are only performing a partial link do not bother
     to construct any glue.  */
  if (info->relocatable)
    return TRUE;

  /* Here we have a bfd that is to be included on the link.  We have a hook
     to do reloc rummaging, before section sizes are nailed down.  */
  _bfd_coff_get_external_symbols (abfd);

  globals = coff_arm_hash_table (info);

  BFD_ASSERT (globals != NULL);
  BFD_ASSERT (globals->bfd_of_glue_owner != NULL);

  globals->support_old_code = support_old_code;

  /* Rummage around all the relocs and map the glue vectors.  */
  sec = abfd->sections;

  if (sec == NULL)
    return TRUE;

  for (; sec != NULL; sec = sec->next)
    {
      struct internal_reloc * i;
      struct internal_reloc * rel;

      if (sec->reloc_count == 0)
       continue;

      /* Load the relocs.  */
      /* FIXME: there may be a storage leak here.  */
      i = _bfd_coff_read_internal_relocs (abfd, sec, 1, 0, 0, 0);

      BFD_ASSERT (i != 0);

      for (rel = i; rel < i + sec->reloc_count; ++rel)
       {
         unsigned short                 r_type  = rel->r_type;
         long                           symndx;
         struct coff_link_hash_entry *  h;

         symndx = rel->r_symndx;

         /* If the relocation is not against a symbol it cannot concern us.  */
         if (symndx == -1)
           continue;

         /* If the index is outside of the range of our table, something has gone wrong.  */
         if (symndx >= obj_conv_table_size (abfd))
           {
             _bfd_error_handler (_("%B: illegal symbol index in reloc: %d"),
                              abfd, symndx);
             continue;
           }

         h = obj_coff_sym_hashes (abfd)[symndx];

         /* If the relocation is against a static symbol it must be within
            the current section and so cannot be a cross ARM/Thumb relocation.  */
         if (h == NULL)
           continue;

         switch (r_type)
           {
           case ARM_26:
             /* This one is a call from arm code.  We need to look up
               the target of the call. If it is a thumb target, we
               insert glue.  */

             if (h->class == C_THUMBEXTFUNC)
              record_arm_to_thumb_glue (info, h);
             break;

#ifndef ARM_WINCE
           case ARM_THUMB23:
             /* This one is a call from thumb code.  We used to look
               for ARM_THUMB9 and ARM_THUMB12 as well.  We need to look
               up the target of the call. If it is an arm target, we
               insert glue.  If the symbol does not exist it will be
               given a class of C_EXT and so we will generate a stub
               for it.  This is not really a problem, since the link
               is doomed anyway.  */

             switch (h->class)
              {
              case C_EXT:
              case C_STAT:
              case C_LABEL:
                record_thumb_to_arm_glue (info, h);
                break;
              default:
                ;
              }
             break;
#endif

           default:
             break;
           }
       }
    }

  return TRUE;
}

Here is the call graph for this function:

static bfd_boolean coff_arm_adjust_symndx ( bfd *obfd  ATTRIBUTE_UNUSED,
struct bfd_link_info *info  ATTRIBUTE_UNUSED,
bfd ibfd,
asection sec,
struct internal_reloc irel,
bfd_boolean adjustedp 
) [static]

Definition at line 2148 of file coff-arm.c.

{
  if (irel->r_type == ARM_26)
    {
      struct coff_link_hash_entry *h;

      h = obj_coff_sym_hashes (ibfd)[irel->r_symndx];
      if (h != NULL
         && (h->root.type == bfd_link_hash_defined
             || h->root.type == bfd_link_hash_defweak)
         && h->root.u.def.section->output_section == sec->output_section)
       irel->r_type = ARM_26D;
    }
  *adjustedp = FALSE;
  return TRUE;
}
static bfd_boolean coff_arm_copy_private_bfd_data ( bfd src,
bfd dest 
) [static]

Definition at line 2383 of file coff-arm.c.

{
  BFD_ASSERT (src != NULL && dest != NULL);

  if (src == dest)
    return TRUE;

  /* If the destination is not in the same format as the source, do not do
     the copy.  */
  if (src->xvec != dest->xvec)
    return TRUE;

  /* Copy the flags field.  */
  if (APCS_SET (src))
    {
      if (APCS_SET (dest))
       {
         /* If the src and dest have different APCS flag bits set, fail.  */
         if (APCS_26_FLAG (dest) != APCS_26_FLAG (src))
           return FALSE;

         if (APCS_FLOAT_FLAG (dest) != APCS_FLOAT_FLAG (src))
           return FALSE;

         if (PIC_FLAG (dest) != PIC_FLAG (src))
           return FALSE;
       }
      else
       SET_APCS_FLAGS (dest, APCS_26_FLAG (src) | APCS_FLOAT_FLAG (src)
                     | PIC_FLAG (src));
    }

  if (INTERWORK_SET (src))
    {
      if (INTERWORK_SET (dest))
       {
         /* If the src and dest have different interworking flags then turn
            off the interworking bit.  */
         if (INTERWORK_FLAG (dest) != INTERWORK_FLAG (src))
           {
             if (INTERWORK_FLAG (dest))
              {
                /* xgettext:c-format */
                _bfd_error_handler (("\
Warning: Clearing the interworking flag of %B because non-interworking code in %B has been linked with it"),
                                  dest, src);
              }

             SET_INTERWORK_FLAG (dest, 0);
           }
       }
      else
       {
         SET_INTERWORK_FLAG (dest, INTERWORK_FLAG (src));
       }
    }

  return TRUE;
}
static bfd_boolean coff_arm_final_link_postscript ( bfd *abfd  ATTRIBUTE_UNUSED,
struct coff_final_link_info pfinfo 
) [static]

Definition at line 2505 of file coff-arm.c.

{
  struct coff_arm_link_hash_table * globals;

  globals = coff_arm_hash_table (pfinfo->info);

  BFD_ASSERT (globals != NULL);

  if (globals->bfd_of_glue_owner != NULL)
    {
      if (! _bfd_coff_link_input_bfd (pfinfo, globals->bfd_of_glue_owner))
       return FALSE;

      globals->bfd_of_glue_owner->output_has_begun = TRUE;
    }

  return bfd_arm_update_notes (abfd, ARM_NOTE_SECTION);
}

Here is the call graph for this function:

static bfd_boolean coff_arm_is_local_label_name ( bfd *abfd  ATTRIBUTE_UNUSED,
const char *  name 
) [static]

Definition at line 2459 of file coff-arm.c.

{
#ifdef USER_LABEL_PREFIX
  if (USER_LABEL_PREFIX[0] != 0)
    {
      size_t len = strlen (USER_LABEL_PREFIX);

      if (strncmp (name, USER_LABEL_PREFIX, len) == 0)
       return FALSE;
    }
#endif

#ifdef LOCAL_LABEL_PREFIX
  /* If there is a prefix for local labels then look for this.
     If the prefix exists, but it is empty, then ignore the test.  */

  if (LOCAL_LABEL_PREFIX[0] != 0)
    {
      size_t len = strlen (LOCAL_LABEL_PREFIX);

      if (strncmp (name, LOCAL_LABEL_PREFIX, len) != 0)
       return FALSE;

      /* Perform the checks below for the rest of the name.  */
      name += len;
    }
#endif

  return name[0] == 'L';
}

Here is the call graph for this function:

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

Definition at line 916 of file coff-arm.c.

{
  struct coff_arm_link_hash_table * ret;
  bfd_size_type amt = sizeof (struct coff_arm_link_hash_table);

  ret = bfd_malloc (amt);
  if (ret == NULL)
    return NULL;

  if (!_bfd_coff_link_hash_table_init (&ret->root,
                                   abfd,
                                   _bfd_coff_link_hash_newfunc,
                                   sizeof (struct coff_link_hash_entry)))
    {
      free (ret);
      return NULL;
    }

  ret->thumb_glue_size   = 0;
  ret->arm_glue_size     = 0;
  ret->bfd_of_glue_owner = NULL;

  return & ret->root.root;
}

Here is the call graph for this function:

Definition at line 2498 of file coff-arm.c.

{
  return (sub->output_has_begun
         || sub == coff_arm_hash_table (info->info)->bfd_of_glue_owner);
}
static bfd_boolean coff_arm_merge_private_bfd_data ( bfd ibfd,
bfd obfd 
) [static]

Definition at line 2176 of file coff-arm.c.

{
  BFD_ASSERT (ibfd != NULL && obfd != NULL);

  if (ibfd == obfd)
    return TRUE;

  /* If the two formats are different we cannot merge anything.
     This is not an error, since it is permissable to change the
     input and output formats.  */
  if (   ibfd->xvec->flavour != bfd_target_coff_flavour
      || obfd->xvec->flavour != bfd_target_coff_flavour)
    return TRUE;

  /* Determine what should happen if the input ARM architecture
     does not match the output ARM architecture.  */
  if (! bfd_arm_merge_machines (ibfd, obfd))
    return FALSE;

  /* Verify that the APCS is the same for the two BFDs.  */
  if (APCS_SET (ibfd))
    {
      if (APCS_SET (obfd))
       {
         /* If the src and dest have different APCS flag bits set, fail.  */
         if (APCS_26_FLAG (obfd) != APCS_26_FLAG (ibfd))
           {
             _bfd_error_handler
              /* xgettext: c-format */
              (_("ERROR: %B is compiled for APCS-%d, whereas %B is compiled for APCS-%d"),
               ibfd, obfd,
               APCS_26_FLAG (ibfd) ? 26 : 32,
               APCS_26_FLAG (obfd) ? 26 : 32
               );

             bfd_set_error (bfd_error_wrong_format);
             return FALSE;
           }

         if (APCS_FLOAT_FLAG (obfd) != APCS_FLOAT_FLAG (ibfd))
           {
             const char *msg;

             if (APCS_FLOAT_FLAG (ibfd))
              /* xgettext: c-format */
              msg = _("ERROR: %B passes floats in float registers, whereas %B passes them in integer registers");
             else
              /* xgettext: c-format */
              msg = _("ERROR: %B passes floats in integer registers, whereas %B passes them in float registers");

             _bfd_error_handler (msg, ibfd, obfd);

             bfd_set_error (bfd_error_wrong_format);
             return FALSE;
           }

         if (PIC_FLAG (obfd) != PIC_FLAG (ibfd))
           {
             const char * msg;

             if (PIC_FLAG (ibfd))
              /* xgettext: c-format */
              msg = _("ERROR: %B is compiled as position independent code, whereas target %B is absolute position");
             else
              /* xgettext: c-format */
              msg = _("ERROR: %B is compiled as absolute position code, whereas target %B is position independent");
             _bfd_error_handler (msg, ibfd, obfd);

             bfd_set_error (bfd_error_wrong_format);
             return FALSE;
           }
       }
      else
       {
         SET_APCS_FLAGS (obfd, APCS_26_FLAG (ibfd) | APCS_FLOAT_FLAG (ibfd) | PIC_FLAG (ibfd));

         /* Set up the arch and fields as well as these are probably wrong.  */
         bfd_set_arch_mach (obfd, bfd_get_arch (ibfd), bfd_get_mach (ibfd));
       }
    }

  /* Check the interworking support.  */
  if (INTERWORK_SET (ibfd))
    {
      if (INTERWORK_SET (obfd))
       {
         /* If the src and dest differ in their interworking issue a warning.  */
         if (INTERWORK_FLAG (obfd) != INTERWORK_FLAG (ibfd))
           {
             const char * msg;

             if (INTERWORK_FLAG (ibfd))
              /* xgettext: c-format */
              msg = _("Warning: %B supports interworking, whereas %B does not");
             else
              /* xgettext: c-format */
              msg = _("Warning: %B does not support interworking, whereas %B does");

             _bfd_error_handler (msg, ibfd, obfd);
           }
       }
      else
       {
         SET_INTERWORK_FLAG (obfd, INTERWORK_FLAG (ibfd));
       }
    }

  return TRUE;
}

Here is the call graph for this function:

static bfd_boolean coff_arm_print_private_bfd_data ( bfd abfd,
void *  ptr 
) [static]

Definition at line 2289 of file coff-arm.c.

{
  FILE * file = (FILE *) ptr;

  BFD_ASSERT (abfd != NULL && ptr != NULL);

  /* xgettext:c-format */
  fprintf (file, _("private flags = %x:"), coff_data (abfd)->flags);

  if (APCS_SET (abfd))
    {
      /* xgettext: APCS is ARM Procedure Call Standard, it should not be translated.  */
      fprintf (file, " [APCS-%d]", APCS_26_FLAG (abfd) ? 26 : 32);

      if (APCS_FLOAT_FLAG (abfd))
       fprintf (file, _(" [floats passed in float registers]"));
      else
       fprintf (file, _(" [floats passed in integer registers]"));

      if (PIC_FLAG (abfd))
       fprintf (file, _(" [position independent]"));
      else
       fprintf (file, _(" [absolute position]"));
    }

  if (! INTERWORK_SET (abfd))
    fprintf (file, _(" [interworking flag not initialised]"));
  else if (INTERWORK_FLAG (abfd))
    fprintf (file, _(" [interworking supported]"));
  else
    fprintf (file, _(" [interworking not supported]"));

  fputc ('\n', file);

  return TRUE;
}

Here is the call graph for this function:

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

Definition at line 94 of file coff-arm.c.

{
  symvalue diff;

  if (output_bfd == NULL)
    return bfd_reloc_continue;

  diff = reloc_entry->addend;

#define DOIT(x)                                                \
  x = ((x & ~howto->dst_mask)                                  \
       | (((x & howto->src_mask) + diff) & howto->dst_mask))

    if (diff != 0)
      {
       reloc_howto_type *howto = reloc_entry->howto;
       unsigned char *addr = (unsigned char *) data + reloc_entry->address;

       switch (howto->size)
         {
         case 0:
           {
             char x = bfd_get_8 (abfd, addr);
             DOIT (x);
             bfd_put_8 (abfd, x, addr);
           }
           break;

         case 1:
           {
             short x = bfd_get_16 (abfd, addr);
             DOIT (x);
             bfd_put_16 (abfd, (bfd_vma) x, addr);
           }
           break;

         case 2:
           {
             long x = bfd_get_32 (abfd, addr);
             DOIT (x);
             bfd_put_32 (abfd, (bfd_vma) x, addr);
           }
           break;

         default:
           abort ();
         }
      }

  /* Now let bfd_perform_relocation finish everything up.  */
  return bfd_reloc_continue;
}
static reloc_howto_type* coff_arm_reloc_name_lookup ( bfd *abfd  ATTRIBUTE_UNUSED,
const char *  r_name 
) [static]

Definition at line 857 of file coff-arm.c.

{
  unsigned int i;

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

  return NULL;
}

Here is the call graph for this function:

static struct reloc_howto_struct* coff_arm_reloc_type_lookup ( bfd abfd,
bfd_reloc_code_real_type  code 
) [static, read]
static bfd_boolean coff_arm_relocate_section ( bfd output_bfd,
struct bfd_link_info info,
bfd input_bfd,
asection input_section,
bfd_byte contents,
struct internal_reloc relocs,
struct internal_syment syms,
asection **  sections 
) [static]

Definition at line 1162 of file coff-arm.c.

{
  struct internal_reloc * rel;
  struct internal_reloc * relend;
#ifndef ARM_WINCE
  bfd_vma high_address = bfd_get_section_limit (input_bfd, input_section);
#endif

  rel = relocs;
  relend = rel + input_section->reloc_count;

  for (; rel < relend; rel++)
    {
      int                            done = 0;
      long                           symndx;
      struct coff_link_hash_entry *  h;
      struct internal_syment *       sym;
      bfd_vma                        addend;
      bfd_vma                        val;
      reloc_howto_type *             howto;
      bfd_reloc_status_type          rstat;
      bfd_vma                        h_val;

      symndx = rel->r_symndx;

      if (symndx == -1)
       {
         h = NULL;
         sym = NULL;
       }
      else
       {
         h = obj_coff_sym_hashes (input_bfd)[symndx];
         sym = syms + symndx;
       }

      /* COFF treats common symbols in one of two ways.  Either the
         size of the symbol is included in the section contents, or it
         is not.  We assume that the size is not included, and force
         the rtype_to_howto function to adjust the addend as needed.  */

      if (sym != NULL && sym->n_scnum != 0)
       addend = - sym->n_value;
      else
       addend = 0;

      howto = coff_rtype_to_howto (input_bfd, input_section, rel, h,
                                   sym, &addend);
      if (howto == NULL)
       return FALSE;

      /* The relocation_section function will skip pcrel_offset relocs
         when doing a relocatable link.  However, we want to convert
         ARM_26 to ARM_26D relocs if possible.  We return a fake howto in
         this case without pcrel_offset set, and adjust the addend to
         compensate.  'partial_inplace' is also set, since we want 'done'
         relocations to be reflected in section's data.  */
      if (rel->r_type == ARM_26
          && h != NULL
          && info->relocatable
          && (h->root.type == bfd_link_hash_defined
             || h->root.type == bfd_link_hash_defweak)
          && (h->root.u.def.section->output_section
             == input_section->output_section))
        {
          static reloc_howto_type fake_arm26_reloc =
           HOWTO (ARM_26,
              2,
              2,
              24,
              TRUE,
              0,
              complain_overflow_signed,
              aoutarm_fix_pcrel_26 ,
              "ARM_26",
              TRUE,
              0x00ffffff,
              0x00ffffff,
              FALSE);

          addend -= rel->r_vaddr - input_section->vma;
#ifdef ARM_WINCE
          /* FIXME: I don't know why, but the hack is necessary for correct
                    generation of bl's instruction offset.  */
          addend -= 8;
#endif
          howto = & fake_arm26_reloc;
        }

#ifdef ARM_WINCE
      /* MS ARM-CE makes the reloc relative to the opcode's pc, not
        the next opcode's pc, so is off by one.  */
      if (howto->pc_relative && !info->relocatable)
       addend -= 8;
#endif

      /* If we are doing a relocatable link, then we can just ignore
         a PC relative reloc that is pcrel_offset.  It will already
         have the correct value.  If this is not a relocatable link,
         then we should ignore the symbol value.  */
      if (howto->pc_relative && howto->pcrel_offset)
        {
          if (info->relocatable)
            continue;
         /* FIXME - it is not clear which targets need this next test
            and which do not.  It is known that it is needed for the
            VxWorks and EPOC-PE targets, but it is also known that it
            was suppressed for other ARM targets.  This ought to be
            sorted out one day.  */
#ifdef ARM_COFF_BUGFIX
         /* We must not ignore the symbol value.  If the symbol is
            within the same section, the relocation should have already
            been fixed, but if it is not, we'll be handed a reloc into
            the beginning of the symbol's section, so we must not cancel
            out the symbol's value, otherwise we'll be adding it in
            twice.  */
          if (sym != NULL && sym->n_scnum != 0)
            addend += sym->n_value;
#endif
        }

      val = 0;

      if (h == NULL)
       {
         asection *sec;

         if (symndx == -1)
           {
             sec = bfd_abs_section_ptr;
             val = 0;
           }
         else
           {
             sec = sections[symndx];
              val = (sec->output_section->vma
                   + sec->output_offset
                   + sym->n_value
                   - sec->vma);
           }
       }
      else
       {
          /* We don't output the stubs if we are generating a
             relocatable output file, since we may as well leave the
             stub generation to the final linker pass. If we fail to
            verify that the name is defined, we'll try to build stubs
            for an undefined name...  */
          if (! info->relocatable
             && (   h->root.type == bfd_link_hash_defined
                || h->root.type == bfd_link_hash_defweak))
            {
             asection *   h_sec = h->root.u.def.section;
             const char * name  = h->root.root.string;

             /* h locates the symbol referenced in the reloc.  */
             h_val = (h->root.u.def.value
                     + h_sec->output_section->vma
                     + h_sec->output_offset);

              if (howto->type == ARM_26)
                {
                  if (   h->class == C_THUMBSTATFUNC
                    || h->class == C_THUMBEXTFUNC)
                  {
                    /* Arm code calling a Thumb function.  */
                    unsigned long int                 tmp;
                    bfd_vma                           my_offset;
                    asection *                        s;
                    long int                          ret_offset;
                    struct coff_link_hash_entry *     myh;
                    struct coff_arm_link_hash_table * globals;

                    myh = find_arm_glue (info, name, input_bfd);
                    if (myh == NULL)
                     return FALSE;

                    globals = coff_arm_hash_table (info);

                    BFD_ASSERT (globals != NULL);
                    BFD_ASSERT (globals->bfd_of_glue_owner != NULL);

                    my_offset = myh->root.u.def.value;

                    s = bfd_get_section_by_name (globals->bfd_of_glue_owner,
                                            ARM2THUMB_GLUE_SECTION_NAME);
                    BFD_ASSERT (s != NULL);
                    BFD_ASSERT (s->contents != NULL);
                    BFD_ASSERT (s->output_section != NULL);

                    if ((my_offset & 0x01) == 0x01)
                     {
                       if (h_sec->owner != NULL
                           && INTERWORK_SET (h_sec->owner)
                           && ! INTERWORK_FLAG (h_sec->owner))
                         _bfd_error_handler
                           /* xgettext:c-format */
                           (_("%B(%s): warning: interworking not enabled.\n"
                             "  first occurrence: %B: arm call to thumb"),
                            h_sec->owner, input_bfd, name);

                       --my_offset;
                       myh->root.u.def.value = my_offset;

                       bfd_put_32 (output_bfd, (bfd_vma) a2t1_ldr_insn,
                                  s->contents + my_offset);

                       bfd_put_32 (output_bfd, (bfd_vma) a2t2_bx_r12_insn,
                                  s->contents + my_offset + 4);

                       /* It's a thumb address.  Add the low order bit.  */
                       bfd_put_32 (output_bfd, h_val | a2t3_func_addr_insn,
                                  s->contents + my_offset + 8);

                          if (info->base_file)
                            arm_emit_base_file_entry (info, output_bfd, s,
                                                      my_offset + 8);

                     }

                    BFD_ASSERT (my_offset <= globals->arm_glue_size);

                    tmp = bfd_get_32 (input_bfd, contents + rel->r_vaddr
                                   - input_section->vma);

                    tmp = tmp & 0xFF000000;

                    /* Somehow these are both 4 too far, so subtract 8.  */
                    ret_offset =
                     s->output_offset
                     + my_offset
                     + s->output_section->vma
                     - (input_section->output_offset
                        + input_section->output_section->vma
                        + rel->r_vaddr)
                     - 8;

                    tmp = tmp | ((ret_offset >> 2) & 0x00FFFFFF);

                    bfd_put_32 (output_bfd, (bfd_vma) tmp,
                              contents + rel->r_vaddr - input_section->vma);
                    done = 1;
                  }
                }

#ifndef ARM_WINCE
             /* Note: We used to check for ARM_THUMB9 and ARM_THUMB12.  */
              else if (howto->type == ARM_THUMB23)
                {
                  if (   h->class == C_EXT
                    || h->class == C_STAT
                    || h->class == C_LABEL)
                  {
                    /* Thumb code calling an ARM function.  */
                    asection *                         s = 0;
                    bfd_vma                            my_offset;
                    unsigned long int                  tmp;
                    long int                           ret_offset;
                    struct coff_link_hash_entry *      myh;
                    struct coff_arm_link_hash_table *  globals;

                    myh = find_thumb_glue (info, name, input_bfd);
                    if (myh == NULL)
                     return FALSE;

                    globals = coff_arm_hash_table (info);

                    BFD_ASSERT (globals != NULL);
                    BFD_ASSERT (globals->bfd_of_glue_owner != NULL);

                    my_offset = myh->root.u.def.value;

                    s = bfd_get_section_by_name (globals->bfd_of_glue_owner,
                                             THUMB2ARM_GLUE_SECTION_NAME);

                    BFD_ASSERT (s != NULL);
                    BFD_ASSERT (s->contents != NULL);
                    BFD_ASSERT (s->output_section != NULL);

                    if ((my_offset & 0x01) == 0x01)
                     {
                       if (h_sec->owner != NULL
                           && INTERWORK_SET (h_sec->owner)
                           && ! INTERWORK_FLAG (h_sec->owner)
                           && ! globals->support_old_code)
                         _bfd_error_handler
                           /* xgettext:c-format */
                           (_("%B(%s): warning: interworking not enabled.\n"
                             "  first occurrence: %B: thumb call to arm\n"
                             "  consider relinking with --support-old-code enabled"),
                            h_sec->owner, input_bfd, name);

                       -- my_offset;
                       myh->root.u.def.value = my_offset;

                       if (globals->support_old_code)
                         {
                           bfd_put_16 (output_bfd, (bfd_vma) t2a1_push_insn,
                                     s->contents + my_offset);

                           bfd_put_16 (output_bfd, (bfd_vma) t2a2_ldr_insn,
                                     s->contents + my_offset + 2);

                           bfd_put_16 (output_bfd, (bfd_vma) t2a3_mov_insn,
                                     s->contents + my_offset + 4);

                           bfd_put_16 (output_bfd, (bfd_vma) t2a4_bx_insn,
                                     s->contents + my_offset + 6);

                           bfd_put_32 (output_bfd, (bfd_vma) t2a5_pop_insn,
                                     s->contents + my_offset + 8);

                           bfd_put_32 (output_bfd, (bfd_vma) t2a6_bx_insn,
                                     s->contents + my_offset + 12);

                           /* Store the address of the function in the last word of the stub.  */
                           bfd_put_32 (output_bfd, h_val,
                                     s->contents + my_offset + 16);

                              if (info->base_file)
                                arm_emit_base_file_entry (info, output_bfd, s,
                                                   my_offset + 16);
                         }
                       else
                         {
                           bfd_put_16 (output_bfd, (bfd_vma) t2a1_bx_pc_insn,
                                     s->contents + my_offset);

                           bfd_put_16 (output_bfd, (bfd_vma) t2a2_noop_insn,
                                     s->contents + my_offset + 2);

                           ret_offset =
              /* Address of destination of the stub.  */
                            ((bfd_signed_vma) h_val)
                            - ((bfd_signed_vma)
              /* Offset from the start of the current section to the start of the stubs.  */
                               (s->output_offset
              /* Offset of the start of this stub from the start of the stubs.  */
                                + my_offset
              /* Address of the start of the current section.  */
                                + s->output_section->vma)
              /* The branch instruction is 4 bytes into the stub.  */
                               + 4
              /* ARM branches work from the pc of the instruction + 8.  */
                               + 8);

                           bfd_put_32 (output_bfd,
                                     (bfd_vma) t2a3_b_insn | ((ret_offset >> 2) & 0x00FFFFFF),
                                     s->contents + my_offset + 4);

                         }
                     }

                    BFD_ASSERT (my_offset <= globals->thumb_glue_size);

                    /* Now go back and fix up the original BL insn to point
                      to here.  */
                    ret_offset =
                     s->output_offset
                     + my_offset
                     - (input_section->output_offset
                        + rel->r_vaddr)
                     -4;

                    tmp = bfd_get_32 (input_bfd, contents + rel->r_vaddr
                                   - input_section->vma);

                    bfd_put_32 (output_bfd,
                              (bfd_vma) insert_thumb_branch (tmp,
                                                         ret_offset),
                              contents + rel->r_vaddr - input_section->vma);

                    done = 1;
                    }
                }
#endif
            }

          /* If the relocation type and destination symbol does not
             fall into one of the above categories, then we can just
             perform a direct link.  */

         if (done)
           rstat = bfd_reloc_ok;
         else
           if (   h->root.type == bfd_link_hash_defined
              || h->root.type == bfd_link_hash_defweak)
           {
             asection *sec;

             sec = h->root.u.def.section;
             val = (h->root.u.def.value
                   + sec->output_section->vma
                   + sec->output_offset);
             }

         else if (! info->relocatable)
           {
             if (! ((*info->callbacks->undefined_symbol)
                   (info, h->root.root.string, input_bfd, input_section,
                    rel->r_vaddr - input_section->vma, TRUE)))
              return FALSE;
           }
       }

      if (info->base_file)
       {
         /* Emit a reloc if the backend thinks it needs it.  */
         if (sym && pe_data(output_bfd)->in_reloc_p(output_bfd, howto))
            arm_emit_base_file_entry (info, output_bfd, input_section,
                                  rel->r_vaddr);
       }

      if (done)
       rstat = bfd_reloc_ok;
#ifndef ARM_WINCE
      /* Only perform this fix during the final link, not a relocatable link.  */
      else if (! info->relocatable
              && howto->type == ARM_THUMB23)
        {
          /* This is pretty much a copy of what the default
             _bfd_final_link_relocate and _bfd_relocate_contents
             routines do to perform a relocation, with special
             processing for the split addressing of the Thumb BL
             instruction.  Again, it would probably be simpler adding a
             ThumbBRANCH23 specific macro expansion into the default
             code.  */

          bfd_vma address = rel->r_vaddr - input_section->vma;

         if (address > high_address)
           rstat = bfd_reloc_outofrange;
          else
            {
              bfd_vma relocation = val + addend;
             int size = bfd_get_reloc_size (howto);
             bfd_boolean overflow = FALSE;
             bfd_byte *location = contents + address;
             bfd_vma x = bfd_get_32 (input_bfd, location);
             bfd_vma src_mask = 0x007FFFFE;
             bfd_signed_vma reloc_signed_max = (1 << (howto->bitsize - 1)) - 1;
             bfd_signed_vma reloc_signed_min = ~reloc_signed_max;
             bfd_vma check;
             bfd_signed_vma signed_check;
             bfd_vma add;
             bfd_signed_vma signed_add;

             BFD_ASSERT (size == 4);

              /* howto->pc_relative should be TRUE for type 14 BRANCH23.  */
              relocation -= (input_section->output_section->vma
                             + input_section->output_offset);

              /* howto->pcrel_offset should be TRUE for type 14 BRANCH23.  */
              relocation -= address;

             /* No need to negate the relocation with BRANCH23.  */
             /* howto->complain_on_overflow == complain_overflow_signed for BRANCH23.  */
             /* howto->rightshift == 1 */

             /* Drop unwanted bits from the value we are relocating to.  */
             check = relocation >> howto->rightshift;

             /* If this is a signed value, the rightshift just dropped
               leading 1 bits (assuming twos complement).  */
             if ((bfd_signed_vma) relocation >= 0)
              signed_check = check;
             else
              signed_check = (check
                            | ((bfd_vma) - 1
                               & ~((bfd_vma) - 1 >> howto->rightshift)));

             /* Get the value from the object file.  */
             if (bfd_big_endian (input_bfd))
              add = (((x) & 0x07ff0000) >> 4) | (((x) & 0x7ff) << 1);
             else
              add = ((((x) & 0x7ff) << 12) | (((x) & 0x07ff0000) >> 15));

             /* Get the value from the object file with an appropriate sign.
               The expression involving howto->src_mask isolates the upper
               bit of src_mask.  If that bit is set in the value we are
               adding, it is negative, and we subtract out that number times
               two.  If src_mask includes the highest possible bit, then we
               can not get the upper bit, but that does not matter since
               signed_add needs no adjustment to become negative in that
               case.  */
             signed_add = add;

             if ((add & (((~ src_mask) >> 1) & src_mask)) != 0)
              signed_add -= (((~ src_mask) >> 1) & src_mask) << 1;

             /* howto->bitpos == 0 */
             /* Add the value from the object file, shifted so that it is a
               straight number.  */
             signed_check += signed_add;
             relocation   += signed_add;

             BFD_ASSERT (howto->complain_on_overflow == complain_overflow_signed);

             /* Assumes two's complement.  */
             if (   signed_check > reloc_signed_max
                || signed_check < reloc_signed_min)
              overflow = TRUE;

             /* Put the relocation into the correct bits.
               For a BLX instruction, make sure that the relocation is rounded up
               to a word boundary.  This follows the semantics of the instruction
               which specifies that bit 1 of the target address will come from bit
               1 of the base address.  */
             if (bfd_big_endian (input_bfd))
               {
                if ((x & 0x1800) == 0x0800 && (relocation & 0x02))
                  relocation += 2;
                relocation = (((relocation & 0xffe) >> 1)  | ((relocation << 4) & 0x07ff0000));
              }
             else
               {
                if ((x & 0x18000000) == 0x08000000 && (relocation & 0x02))
                  relocation += 2;
                relocation = (((relocation & 0xffe) << 15) | ((relocation >> 12) & 0x7ff));
              }

             /* Add the relocation to the correct bits of X.  */
             x = ((x & ~howto->dst_mask) | relocation);

             /* Put the relocated value back in the object file.  */
             bfd_put_32 (input_bfd, x, location);

             rstat = overflow ? bfd_reloc_overflow : bfd_reloc_ok;
            }
        }
#endif
      else
        if (info->relocatable && ! howto->partial_inplace)
            rstat = bfd_reloc_ok;
        else
         rstat = _bfd_final_link_relocate (howto, input_bfd, input_section,
                                       contents,
                                       rel->r_vaddr - input_section->vma,
                                       val, addend);
      /* Only perform this fix during the final link, not a relocatable link.  */
      if (! info->relocatable
         && (rel->r_type == ARM_32 || rel->r_type == ARM_RVA32))
       {
         /* Determine if we need to set the bottom bit of a relocated address
            because the address is the address of a Thumb code symbol.  */
         int patchit = FALSE;

         if (h != NULL
             && (   h->class == C_THUMBSTATFUNC
                || h->class == C_THUMBEXTFUNC))
           {
             patchit = TRUE;
           }
         else if (sym != NULL
                 && sym->n_scnum > N_UNDEF)
           {
             /* No hash entry - use the symbol instead.  */
             if (   sym->n_sclass == C_THUMBSTATFUNC
                || sym->n_sclass == C_THUMBEXTFUNC)
              patchit = TRUE;
           }

         if (patchit)
           {
             bfd_byte * location = contents + rel->r_vaddr - input_section->vma;
             bfd_vma    x        = bfd_get_32 (input_bfd, location);

             bfd_put_32 (input_bfd, x | 1, location);
           }
       }

      switch (rstat)
       {
       default:
         abort ();
       case bfd_reloc_ok:
         break;
       case bfd_reloc_outofrange:
         (*_bfd_error_handler)
           (_("%B: bad reloc address 0x%lx in section `%A'"),
            input_bfd, input_section, (unsigned long) rel->r_vaddr);
         return FALSE;
       case bfd_reloc_overflow:
         {
           const char *name;
           char buf[SYMNMLEN + 1];

           if (symndx == -1)
             name = "*ABS*";
           else if (h != NULL)
             name = NULL;
           else
             {
              name = _bfd_coff_internal_syment_name (input_bfd, sym, buf);
              if (name == NULL)
                return FALSE;
             }

           if (! ((*info->callbacks->reloc_overflow)
                 (info, (h ? &h->root : NULL), name, howto->name,
                  (bfd_vma) 0, input_bfd, input_section,
                  rel->r_vaddr - input_section->vma)))
             return FALSE;
         }
       }
    }

  return TRUE;
}

Here is the call graph for this function:

static reloc_howto_type* coff_arm_rtype_to_howto ( bfd *abfd  ATTRIBUTE_UNUSED,
asection sec,
struct internal_reloc rel,
struct coff_link_hash_entry *h  ATTRIBUTE_UNUSED,
struct internal_syment *sym  ATTRIBUTE_UNUSED,
bfd_vma addendp 
) [static]

Definition at line 524 of file coff-arm.c.

{
  reloc_howto_type * howto;

  if (rel->r_type >= NUM_RELOCS)
    return NULL;

  howto = aoutarm_std_reloc_howto + rel->r_type;

  if (rel->r_type == ARM_RVA32)
    *addendp -= pe_data (sec->output_section->owner)->pe_opthdr.ImageBase;

#if defined COFF_WITH_PE && defined ARM_WINCE
  if (rel->r_type == ARM_SECREL)
    {
      bfd_vma osect_vma;

      if (h && (h->type == bfd_link_hash_defined
              || h->type == bfd_link_hash_defweak))
       osect_vma = h->root.u.def.section->output_section->vma;
      else
       {
         asection *sec;
         int i;

         /* Sigh, the only way to get the section to offset against
            is to find it the hard way.  */

         for (sec = abfd->sections, i = 1; i < sym->n_scnum; i++)
           sec = sec->next;

         osect_vma = sec->output_section->vma;
       }

      *addendp -= osect_vma;
    }
#endif

  return howto;
}
static bfd_reloc_status_type coff_thumb_pcrel_12 ( bfd abfd,
arelent reloc_entry,
asymbol symbol,
void *  data,
asection input_section,
bfd output_bfd,
char **  error_message 
) [static]

Definition at line 801 of file coff-arm.c.

{
  return coff_thumb_pcrel_common (abfd, reloc_entry, symbol, data,
                                  input_section, output_bfd, error_message,
                              b12);
}

Here is the call graph for this function:

static bfd_reloc_status_type coff_thumb_pcrel_23 ( bfd abfd,
arelent reloc_entry,
asymbol symbol,
void *  data,
asection input_section,
bfd output_bfd,
char **  error_message 
) [static]

Definition at line 772 of file coff-arm.c.

{
  return coff_thumb_pcrel_common (abfd, reloc_entry, symbol, data,
                                  input_section, output_bfd, error_message,
                              b23);
}

Here is the call graph for this function:

static bfd_reloc_status_type coff_thumb_pcrel_9 ( bfd abfd,
arelent reloc_entry,
asymbol symbol,
void *  data,
asection input_section,
bfd output_bfd,
char **  error_message 
) [static]

Definition at line 786 of file coff-arm.c.

{
  return coff_thumb_pcrel_common (abfd, reloc_entry, symbol, data,
                                  input_section, output_bfd, error_message,
                              b9);
}

Here is the call graph for this function:

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

Definition at line 646 of file coff-arm.c.

{
  bfd_vma relocation = 0;
  bfd_size_type addr = reloc_entry->address;
  long target = bfd_get_32 (abfd, (bfd_byte *) data + addr);
  bfd_reloc_status_type flag = bfd_reloc_ok;
  bfd_vma dstmsk;
  bfd_vma offmsk;
  bfd_vma signbit;

  /* NOTE: This routine is currently used by GAS, but not by the link
     phase.  */
  switch (btype)
    {
    case b9:
      dstmsk  = 0x000000ff;
      offmsk  = 0x000001fe;
      signbit = 0x00000100;
      break;

    case b12:
      dstmsk  = 0x000007ff;
      offmsk  = 0x00000ffe;
      signbit = 0x00000800;
      break;

    case b23:
      dstmsk  = 0x07ff07ff;
      offmsk  = 0x007fffff;
      signbit = 0x00400000;
      break;

    default:
      abort ();
    }

  /* If this is an undefined symbol, return error.  */
  if (symbol->section == &bfd_und_section
      && (symbol->flags & BSF_WEAK) == 0)
    return output_bfd ? bfd_reloc_continue : bfd_reloc_undefined;

  /* If the sections are different, and we are doing a partial relocation,
     just ignore it for now.  */
  if (symbol->section->name != input_section->name
      && output_bfd != (bfd *)NULL)
    return bfd_reloc_continue;

  switch (btype)
    {
    case b9:
    case b12:
      relocation = ((target & dstmsk) << 1);
      break;

    case b23:
      if (bfd_big_endian (abfd))
       relocation = ((target & 0x7ff) << 1)  | ((target & 0x07ff0000) >> 4);
      else
       relocation = ((target & 0x7ff) << 12) | ((target & 0x07ff0000) >> 15);
      break;

    default:
      abort ();
    }

  relocation = (relocation ^ signbit) - signbit; /* Sign extend.  */
  relocation += symbol->value;
  relocation += symbol->section->output_section->vma;
  relocation += symbol->section->output_offset;
  relocation += reloc_entry->addend;
  relocation -= input_section->output_section->vma;
  relocation -= input_section->output_offset;
  relocation -= addr;

  if (relocation & 1)
    return bfd_reloc_overflow;

  /* Check for overflow.  */
  if (relocation & signbit)
    {
      if ((relocation & ~offmsk) != ~offmsk)
       flag = bfd_reloc_overflow;
    }
  else if (relocation & ~offmsk)
    flag = bfd_reloc_overflow;

  target &= ~dstmsk;
  switch (btype)
   {
   case b9:
   case b12:
     target |= (relocation >> 1);
     break;

   case b23:
     if (bfd_big_endian (abfd))
       target |= (((relocation & 0xfff) >> 1)
                | ((relocation << 4)  & 0x07ff0000));
     else
       target |= (((relocation & 0xffe) << 15)
                | ((relocation >> 12) & 0x7ff));
     break;

   default:
     abort ();
   }

  bfd_put_32 (abfd, (bfd_vma) target, (bfd_byte *) data + addr);

  /* Now the ARM magic... Change the reloc type so that it is marked as done.
     Strictly this is only necessary if we are doing a partial relocation.  */
  reloc_entry->howto = & aoutarm_std_reloc_howto [ARM_26D];

  /* TODO: We should possibly have DONE entries for the THUMB PCREL relocations.  */
  return flag;
}

Here is the caller graph for this function:

static struct coff_link_hash_entry* find_arm_glue ( struct bfd_link_info info,
const char *  name,
bfd input_bfd 
) [static, read]

Definition at line 1045 of file coff-arm.c.

{
  char *tmp_name;
  struct coff_link_hash_entry * myh;
  bfd_size_type amt = strlen (name) + strlen (ARM2THUMB_GLUE_ENTRY_NAME) + 1;

  tmp_name = bfd_malloc (amt);

  BFD_ASSERT (tmp_name);

  sprintf (tmp_name, ARM2THUMB_GLUE_ENTRY_NAME, name);

  myh = coff_link_hash_lookup
    (coff_hash_table (info), tmp_name, FALSE, FALSE, TRUE);

  if (myh == NULL)
    /* xgettext:c-format */
    _bfd_error_handler (_("%B: unable to find ARM glue '%s' for `%s'"),
                     input_bfd, tmp_name, name);

  free (tmp_name);

  return myh;
}

Here is the call graph for this function:

Here is the caller graph for this function:

static struct coff_link_hash_entry* find_thumb_glue ( struct bfd_link_info info,
const char *  name,
bfd input_bfd 
) [static, read]

Definition at line 1016 of file coff-arm.c.

{
  char *tmp_name;
  struct coff_link_hash_entry *myh;
  bfd_size_type amt = strlen (name) + strlen (THUMB2ARM_GLUE_ENTRY_NAME) + 1;

  tmp_name = bfd_malloc (amt);

  BFD_ASSERT (tmp_name);

  sprintf (tmp_name, THUMB2ARM_GLUE_ENTRY_NAME, name);

  myh = coff_link_hash_lookup
    (coff_hash_table (info), tmp_name, FALSE, FALSE, TRUE);

  if (myh == NULL)
    /* xgettext:c-format */
    _bfd_error_handler (_("%B: unable to find THUMB glue '%s' for `%s'"),
                     input_bfd, tmp_name, name);

  free (tmp_name);

  return myh;
}

Here is the call graph for this function:

Here is the caller graph for this function:

static insn32 insert_thumb_branch ( insn32  br_insn,
int  rel_off 
) [static]

Definition at line 991 of file coff-arm.c.

{
  unsigned int low_bits;
  unsigned int high_bits;

  BFD_ASSERT ((rel_off & 1) != 1);

  rel_off >>= 1;                              /* Half word aligned address.  */
  low_bits = rel_off & 0x000007FF;            /* The bottom 11 bits.  */
  high_bits = (rel_off >> 11) & 0x000007FF;   /* The top 11 bits.  */

  if ((br_insn & LOW_HI_ORDER) == LOW_HI_ORDER)
    br_insn = LOW_HI_ORDER | (low_bits << 16) | high_bits;
  else if ((br_insn & HI_LOW_ORDER) == HI_LOW_ORDER)
    br_insn = HI_LOW_ORDER | (high_bits << 16) | low_bits;
  else
    /* FIXME: the BFD library should never abort except for internal errors
       - it should return an error status.  */
    abort (); /* Error - not a valid branch instruction form.  */

  return br_insn;
}

Here is the caller graph for this function:

static void record_arm_to_thumb_glue ( struct bfd_link_info info,
struct coff_link_hash_entry h 
) [static]

Definition at line 1827 of file coff-arm.c.

{
  const char *                      name = h->root.root.string;
  register asection *               s;
  char *                            tmp_name;
  struct coff_link_hash_entry *     myh;
  struct bfd_link_hash_entry *      bh;
  struct coff_arm_link_hash_table * globals;
  bfd_vma val;
  bfd_size_type amt;

  globals = coff_arm_hash_table (info);

  BFD_ASSERT (globals != NULL);
  BFD_ASSERT (globals->bfd_of_glue_owner != NULL);

  s = bfd_get_section_by_name
    (globals->bfd_of_glue_owner, ARM2THUMB_GLUE_SECTION_NAME);

  BFD_ASSERT (s != NULL);

  amt = strlen (name) + strlen (ARM2THUMB_GLUE_ENTRY_NAME) + 1;
  tmp_name = bfd_malloc (amt);

  BFD_ASSERT (tmp_name);

  sprintf (tmp_name, ARM2THUMB_GLUE_ENTRY_NAME, name);

  myh = coff_link_hash_lookup
    (coff_hash_table (info), tmp_name, FALSE, FALSE, TRUE);

  if (myh != NULL)
    {
      free (tmp_name);
      /* We've already seen this guy.  */
      return;
    }

  /* The only trick here is using globals->arm_glue_size as the value. Even
     though the section isn't allocated yet, this is where we will be putting
     it.  */
  bh = NULL;
  val = globals->arm_glue_size + 1;
  bfd_coff_link_add_one_symbol (info, globals->bfd_of_glue_owner, tmp_name,
                            BSF_GLOBAL, s, val, NULL, TRUE, FALSE, &bh);

  free (tmp_name);

  globals->arm_glue_size += ARM2THUMB_GLUE_SIZE;

  return;
}

Here is the call graph for this function:

Here is the caller graph for this function:

static void record_thumb_to_arm_glue ( struct bfd_link_info info,
struct coff_link_hash_entry h 
) [static]

Definition at line 1883 of file coff-arm.c.

{
  const char *                       name = h->root.root.string;
  asection *                         s;
  char *                             tmp_name;
  struct coff_link_hash_entry *      myh;
  struct bfd_link_hash_entry *       bh;
  struct coff_arm_link_hash_table *  globals;
  bfd_vma val;
  bfd_size_type amt;

  globals = coff_arm_hash_table (info);

  BFD_ASSERT (globals != NULL);
  BFD_ASSERT (globals->bfd_of_glue_owner != NULL);

  s = bfd_get_section_by_name
    (globals->bfd_of_glue_owner, THUMB2ARM_GLUE_SECTION_NAME);

  BFD_ASSERT (s != NULL);

  amt = strlen (name) + strlen (THUMB2ARM_GLUE_ENTRY_NAME) + 1;
  tmp_name = bfd_malloc (amt);

  BFD_ASSERT (tmp_name);

  sprintf (tmp_name, THUMB2ARM_GLUE_ENTRY_NAME, name);

  myh = coff_link_hash_lookup
    (coff_hash_table (info), tmp_name, FALSE, FALSE, TRUE);

  if (myh != NULL)
    {
      free (tmp_name);
      /* We've already seen this guy.  */
      return;
    }

  bh = NULL;
  val = globals->thumb_glue_size + 1;
  bfd_coff_link_add_one_symbol (info, globals->bfd_of_glue_owner, tmp_name,
                            BSF_GLOBAL, s, val, NULL, TRUE, FALSE, &bh);

  /* If we mark it 'thumb', the disassembler will do a better job.  */
  myh = (struct coff_link_hash_entry *) bh;
  myh->class = C_THUMBEXTFUNC;

  free (tmp_name);

  /* Allocate another symbol to mark where we switch to arm mode.  */

#define CHANGE_TO_ARM "__%s_change_to_arm"
#define BACK_FROM_ARM "__%s_back_from_arm"

  amt = strlen (name) + strlen (CHANGE_TO_ARM) + 1;
  tmp_name = bfd_malloc (amt);

  BFD_ASSERT (tmp_name);

  sprintf (tmp_name, globals->support_old_code ? BACK_FROM_ARM : CHANGE_TO_ARM, name);

  bh = NULL;
  val = globals->thumb_glue_size + (globals->support_old_code ? 8 : 4);
  bfd_coff_link_add_one_symbol (info, globals->bfd_of_glue_owner, tmp_name,
                            BSF_LOCAL, s, val, NULL, TRUE, FALSE, &bh);

  free (tmp_name);

  globals->thumb_glue_size += THUMB2ARM_GLUE_SIZE;

  return;
}

Here is the call graph for this function:

Here is the caller graph for this function:


Variable Documentation

const insn32 a2t1_ldr_insn = 0xe59fc000 [static]

Definition at line 1084 of file coff-arm.c.

const insn32 a2t2_bx_r12_insn = 0xe12fff1c [static]

Definition at line 1085 of file coff-arm.c.

const insn32 a2t3_func_addr_insn = 0x00000001 [static]

Definition at line 1086 of file coff-arm.c.

reloc_howto_type aoutarm_std_reloc_howto[] [static]

Definition at line 210 of file coff-arm.c.

const insn16 t2a1_bx_pc_insn = 0x4778 [static]

Definition at line 1108 of file coff-arm.c.

const insn16 t2a1_push_insn = 0xb540 [static]

Definition at line 1112 of file coff-arm.c.

const insn16 t2a2_ldr_insn = 0x4e03 [static]

Definition at line 1113 of file coff-arm.c.

const insn16 t2a2_noop_insn = 0x46c0 [static]

Definition at line 1109 of file coff-arm.c.

const insn32 t2a3_b_insn = 0xea000000 [static]

Definition at line 1110 of file coff-arm.c.

const insn16 t2a3_mov_insn = 0x46fe [static]

Definition at line 1114 of file coff-arm.c.

const insn16 t2a4_bx_insn = 0x4730 [static]

Definition at line 1115 of file coff-arm.c.

const insn32 t2a5_pop_insn = 0xe8bd4040 [static]

Definition at line 1116 of file coff-arm.c.

const insn32 t2a6_bx_insn = 0xe12fff1e [static]

Definition at line 1117 of file coff-arm.c.

Definition at line 579 of file coff-mcore.c.