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cell-binutils  2.17cvs20070401
Defines | Functions | Variables
i386os9k.c File Reference
#include "bfd.h"
#include "sysdep.h"
#include "libbfd.h"
#include "bfdlink.h"
#include "libaout.h"
#include "os9k.h"

Go to the source code of this file.

Defines

#define aout_32_close_and_cleanup   aout_32_bfd_free_cached_info
#define aout_32_bfd_make_debug_symbol   _bfd_nosymbols_bfd_make_debug_symbol
#define aout_32_bfd_reloc_type_lookup   _bfd_norelocs_bfd_reloc_type_lookup
#define aout_32_bfd_reloc_name_lookup   _bfd_norelocs_bfd_reloc_name_lookup
#define aout_32_get_section_contents_in_window   _bfd_generic_get_section_contents_in_window
#define os9k_bfd_get_relocated_section_contents   bfd_generic_get_relocated_section_contents
#define os9k_bfd_relax_section   bfd_generic_relax_section
#define os9k_bfd_gc_sections   bfd_generic_gc_sections
#define os9k_bfd_merge_sections   bfd_generic_merge_sections
#define os9k_bfd_is_group_section   bfd_generic_is_group_section
#define os9k_bfd_discard_group   bfd_generic_discard_group
#define os9k_section_already_linked   _bfd_generic_section_already_linked
#define os9k_bfd_link_hash_table_create   _bfd_generic_link_hash_table_create
#define os9k_bfd_link_hash_table_free   _bfd_generic_link_hash_table_free
#define os9k_bfd_link_add_symbols   _bfd_generic_link_add_symbols
#define os9k_bfd_link_just_syms   _bfd_generic_link_just_syms
#define os9k_bfd_final_link   _bfd_generic_final_link
#define os9k_bfd_link_split_section   _bfd_generic_link_split_section

Functions

static bfd_boolean os9k_swap_exec_header_in (bfd *abfd, mh_com *raw_bytes, struct internal_exec *execp)
static const bfd_targetos9k_callback (bfd *abfd)
static const bfd_targetos9k_object_p (bfd *abfd)
static int os9k_sizeof_headers (bfd *abfd ATTRIBUTE_UNUSED, struct bfd_link_info *info ATTRIBUTE_UNUSED)

Variables

const bfd_target i386os9k_vec

Define Documentation

Definition at line 158 of file i386os9k.c.

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Definition at line 160 of file i386os9k.c.

#define aout_32_close_and_cleanup   aout_32_bfd_free_cached_info

Definition at line 156 of file i386os9k.c.

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Function Documentation

static const bfd_target* os9k_callback ( bfd abfd) [static]

Definition at line 75 of file i386os9k.c.

{
  struct internal_exec *execp = exec_hdr (abfd);
  unsigned long bss_start;

  /* Architecture and machine type.  */
  bfd_set_arch_mach (abfd, bfd_arch_i386, 0);

  /* The positions of the string table and symbol table.  */
  obj_str_filepos (abfd) = 0;
  obj_sym_filepos (abfd) = 0;

  /* The alignments of the sections.  */
  obj_textsec (abfd)->alignment_power = execp->a_talign;
  obj_datasec (abfd)->alignment_power = execp->a_dalign;
  obj_bsssec (abfd)->alignment_power = execp->a_balign;

  /* The starting addresses of the sections.  */
  obj_textsec (abfd)->vma = execp->a_tload;
  obj_datasec (abfd)->vma = execp->a_dload;

  /* And reload the sizes, since the aout module zaps them.  */
  obj_textsec (abfd)->size = execp->a_text;

  bss_start = execp->a_dload + execp->a_data;    /* BSS = end of data section.  */
  obj_bsssec (abfd)->vma = align_power (bss_start, execp->a_balign);

  /* The file positions of the sections.  */
  obj_textsec (abfd)->filepos = execp->a_entry;
  obj_datasec (abfd)->filepos = execp->a_dload;

  /* The file positions of the relocation info ***
  obj_textsec (abfd)->rel_filepos = N_TROFF(*execp);
  obj_datasec (abfd)->rel_filepos =  N_DROFF(*execp);  */

  adata (abfd).page_size = 1;      /* Not applicable.  */
  adata (abfd).segment_size = 1;/* Not applicable.  */
  adata (abfd).exec_bytes_size = MHCOM_BYTES_SIZE;

  return abfd->xvec;
}

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static const bfd_target* os9k_object_p ( bfd abfd) [static]

Definition at line 118 of file i386os9k.c.

{
  struct internal_exec anexec;
  mh_com exec_bytes;

  if (bfd_bread ((PTR) &exec_bytes, (bfd_size_type) MHCOM_BYTES_SIZE, abfd)
      != MHCOM_BYTES_SIZE)
    {
      if (bfd_get_error () != bfd_error_system_call)
       bfd_set_error (bfd_error_wrong_format);
      return 0;
    }

  anexec.a_info = H_GET_16 (abfd, exec_bytes.m_sync);
  if (N_BADMAG (anexec))
    {
      bfd_set_error (bfd_error_wrong_format);
      return 0;
    }

  if (! os9k_swap_exec_header_in (abfd, &exec_bytes, &anexec))
    {
      if (bfd_get_error () != bfd_error_system_call)
       bfd_set_error (bfd_error_wrong_format);
      return NULL;
    }
  return aout_32_some_aout_object_p (abfd, &anexec, os9k_callback);
}

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static int os9k_sizeof_headers ( bfd *abfd  ATTRIBUTE_UNUSED,
struct bfd_link_info *info  ATTRIBUTE_UNUSED 
) [static]

Definition at line 148 of file i386os9k.c.

{
  return sizeof (struct internal_exec);
}
static bfd_boolean os9k_swap_exec_header_in ( bfd abfd,
mh_com raw_bytes,
struct internal_exec execp 
) [static]

Definition at line 33 of file i386os9k.c.

{
  mh_com *bytes = (mh_com *) raw_bytes;
  unsigned int dload, dmemsize, dmemstart;

  /* Now fill in fields in the execp, from the bytes in the raw data.  */
  execp->a_info = H_GET_16 (abfd, bytes->m_sync);
  execp->a_syms = 0;
  execp->a_entry = H_GET_32 (abfd, bytes->m_exec);
  execp->a_talign = 2;
  execp->a_dalign = 2;
  execp->a_balign = 2;

  dload = H_GET_32 (abfd, bytes->m_idata);
  execp->a_data = dload + 8;

  if (bfd_seek (abfd, (file_ptr) dload, SEEK_SET) != 0
      || (bfd_bread (&dmemstart, (bfd_size_type) sizeof (dmemstart), abfd)
         != sizeof (dmemstart))
      || (bfd_bread (&dmemsize, (bfd_size_type) sizeof (dmemsize), abfd)
         != sizeof (dmemsize)))
    return FALSE;

  execp->a_tload = 0;
  execp->a_dload = H_GET_32 (abfd, (unsigned char *) &dmemstart);
  execp->a_text = dload - execp->a_tload;
  execp->a_data = H_GET_32 (abfd, (unsigned char *) &dmemsize);
  execp->a_bss = H_GET_32 (abfd, bytes->m_data) - execp->a_data;

  execp->a_trsize = 0;
  execp->a_drsize = 0;

  return TRUE;
}

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Variable Documentation

Definition at line 182 of file i386os9k.c.