pexxigen.c

来自「基于4个mips核的noc设计」· C语言 代码 · 共 2,044 行 · 第 1/5 页

    {
      PUT_LNSZ_LNNO (abfd, in->x_sym.x_misc.x_lnsz.x_lnno, ext);
      PUT_LNSZ_SIZE (abfd, in->x_sym.x_misc.x_lnsz.x_size, ext);
    }

  return AUXESZ;
}

void
_bfd_XXi_swap_lineno_in (abfd, ext1, in1)
     bfd *abfd;
     PTR ext1;
     PTR in1;
{
  LINENO *ext = (LINENO *) ext1;
  struct internal_lineno *in = (struct internal_lineno *) in1;

  in->l_addr.l_symndx = bfd_h_get_32 (abfd, (bfd_byte *) ext->l_addr.l_symndx);
  in->l_lnno = GET_LINENO_LNNO (abfd, ext);
}

unsigned int
_bfd_XXi_swap_lineno_out (abfd, inp, outp)
     bfd       *abfd;
     PTR	inp;
     PTR	outp;
{
  struct internal_lineno *in = (struct internal_lineno *) inp;
  struct external_lineno *ext = (struct external_lineno *) outp;
  bfd_h_put_32 (abfd, in->l_addr.l_symndx, (bfd_byte *)
	  ext->l_addr.l_symndx);

  PUT_LINENO_LNNO (abfd, in->l_lnno, ext);
  return LINESZ;
}

void
_bfd_XXi_swap_aouthdr_in (abfd, aouthdr_ext1, aouthdr_int1)
     bfd *abfd;
     PTR aouthdr_ext1;
     PTR aouthdr_int1;
{
  struct internal_extra_pe_aouthdr *a;
  PEAOUTHDR *src = (PEAOUTHDR *) (aouthdr_ext1);
  AOUTHDR        *aouthdr_ext = (AOUTHDR *) aouthdr_ext1;
  struct internal_aouthdr *aouthdr_int = (struct internal_aouthdr *)aouthdr_int1;

  aouthdr_int->magic = bfd_h_get_16 (abfd, (bfd_byte *) aouthdr_ext->magic);
  aouthdr_int->vstamp = bfd_h_get_16 (abfd, (bfd_byte *) aouthdr_ext->vstamp);
  aouthdr_int->tsize =
    GET_AOUTHDR_TSIZE (abfd, (bfd_byte *) aouthdr_ext->tsize);
  aouthdr_int->dsize =
    GET_AOUTHDR_DSIZE (abfd, (bfd_byte *) aouthdr_ext->dsize);
  aouthdr_int->bsize =
    GET_AOUTHDR_BSIZE (abfd, (bfd_byte *) aouthdr_ext->bsize);
  aouthdr_int->entry =
    GET_AOUTHDR_ENTRY (abfd, (bfd_byte *) aouthdr_ext->entry);
  aouthdr_int->text_start =
    GET_AOUTHDR_TEXT_START (abfd, (bfd_byte *) aouthdr_ext->text_start);
#ifndef COFF_WITH_pep
  /* PE32+ does not have data_start member! */
  aouthdr_int->data_start =
    GET_AOUTHDR_DATA_START (abfd, (bfd_byte *) aouthdr_ext->data_start);
#endif

  a = &aouthdr_int->pe;
  a->ImageBase = GET_OPTHDR_IMAGE_BASE (abfd, (bfd_byte *) src->ImageBase);
  a->SectionAlignment = bfd_h_get_32 (abfd, (bfd_byte *) src->SectionAlignment);
  a->FileAlignment = bfd_h_get_32 (abfd, (bfd_byte *) src->FileAlignment);
  a->MajorOperatingSystemVersion =
    bfd_h_get_16 (abfd, (bfd_byte *) src->MajorOperatingSystemVersion);
  a->MinorOperatingSystemVersion =
    bfd_h_get_16 (abfd, (bfd_byte *) src->MinorOperatingSystemVersion);
  a->MajorImageVersion = bfd_h_get_16 (abfd, (bfd_byte *) src->MajorImageVersion);
  a->MinorImageVersion = bfd_h_get_16 (abfd, (bfd_byte *) src->MinorImageVersion);
  a->MajorSubsystemVersion = bfd_h_get_16 (abfd, (bfd_byte *) src->MajorSubsystemVersion);
  a->MinorSubsystemVersion = bfd_h_get_16 (abfd, (bfd_byte *) src->MinorSubsystemVersion);
  a->Reserved1 = bfd_h_get_32 (abfd, (bfd_byte *) src->Reserved1);
  a->SizeOfImage = bfd_h_get_32 (abfd, (bfd_byte *) src->SizeOfImage);
  a->SizeOfHeaders = bfd_h_get_32 (abfd, (bfd_byte *) src->SizeOfHeaders);
  a->CheckSum = bfd_h_get_32 (abfd, (bfd_byte *) src->CheckSum);
  a->Subsystem = bfd_h_get_16 (abfd, (bfd_byte *) src->Subsystem);
  a->DllCharacteristics = bfd_h_get_16 (abfd, (bfd_byte *) src->DllCharacteristics);
  a->SizeOfStackReserve = GET_OPTHDR_SIZE_OF_STACK_RESERVE (abfd, (bfd_byte *) src->SizeOfStackReserve);
  a->SizeOfStackCommit = GET_OPTHDR_SIZE_OF_STACK_COMMIT (abfd, (bfd_byte *) src->SizeOfStackCommit);
  a->SizeOfHeapReserve = GET_OPTHDR_SIZE_OF_HEAP_RESERVE (abfd, (bfd_byte *) src->SizeOfHeapReserve);
  a->SizeOfHeapCommit = GET_OPTHDR_SIZE_OF_HEAP_COMMIT (abfd, (bfd_byte *) src->SizeOfHeapCommit);
  a->LoaderFlags = bfd_h_get_32 (abfd, (bfd_byte *) src->LoaderFlags);
  a->NumberOfRvaAndSizes = bfd_h_get_32 (abfd, (bfd_byte *) src->NumberOfRvaAndSizes);

  {
    int idx;
    for (idx = 0; idx < 16; idx++)
      {
        /* If data directory is empty, rva also should be 0.  */
	int size =
	  bfd_h_get_32 (abfd, (bfd_byte *) src->DataDirectory[idx][1]);
	a->DataDirectory[idx].Size = size;

	if (size)
	  {
	    a->DataDirectory[idx].VirtualAddress =
	      bfd_h_get_32 (abfd, (bfd_byte *) src->DataDirectory[idx][0]);
	  }
	else
	  a->DataDirectory[idx].VirtualAddress = 0;
      }
  }

  if (aouthdr_int->entry)
    {
      aouthdr_int->entry += a->ImageBase;
#ifndef COFF_WITH_pep
      aouthdr_int->entry &= 0xffffffff;
#endif
    }
  if (aouthdr_int->tsize)
    {
      aouthdr_int->text_start += a->ImageBase;
#ifndef COFF_WITH_pep
      aouthdr_int->text_start &= 0xffffffff;
#endif
    }
#ifndef COFF_WITH_pep
  /* PE32+ does not have data_start member! */
  if (aouthdr_int->dsize)
    {
      aouthdr_int->data_start += a->ImageBase;
      aouthdr_int->data_start &= 0xffffffff;
    }
#endif

#ifdef POWERPC_LE_PE
  /* These three fields are normally set up by ppc_relocate_section.
     In the case of reading a file in, we can pick them up from the
     DataDirectory.  */
  first_thunk_address = a->DataDirectory[12].VirtualAddress;
  thunk_size = a->DataDirectory[12].Size;
  import_table_size = a->DataDirectory[1].Size;
#endif

}

/* A support function for below.  */

static void
add_data_entry (abfd, aout, idx, name, base)
     bfd *abfd;
     struct internal_extra_pe_aouthdr *aout;
     int idx;
     char *name;
     bfd_vma base;
{
  asection *sec = bfd_get_section_by_name (abfd, name);

  /* add import directory information if it exists */
  if ((sec != NULL)
      && (coff_section_data (abfd, sec) != NULL)
      && (pei_section_data (abfd, sec) != NULL))
    {
      /* If data directory is empty, rva also should be 0 */
      int size = pei_section_data (abfd, sec)->virt_size;
      aout->DataDirectory[idx].Size = size;

      if (size)
	{
	  aout->DataDirectory[idx].VirtualAddress =
	    (sec->vma - base) & 0xffffffff;
	  sec->flags |= SEC_DATA;
	}
    }
}

unsigned int
_bfd_XXi_swap_aouthdr_out (abfd, in, out)
     bfd       *abfd;
     PTR	in;
     PTR	out;
{
  struct internal_aouthdr *aouthdr_in = (struct internal_aouthdr *) in;
  pe_data_type *pe = pe_data (abfd);
  struct internal_extra_pe_aouthdr *extra = &pe->pe_opthdr;
  PEAOUTHDR *aouthdr_out = (PEAOUTHDR *) out;
  bfd_vma sa, fa, ib;

  if (pe->force_minimum_alignment)
    {
      if (!extra->FileAlignment)
	extra->FileAlignment = PE_DEF_FILE_ALIGNMENT;
      if (!extra->SectionAlignment)
	extra->SectionAlignment = PE_DEF_SECTION_ALIGNMENT;
    }

  if (extra->Subsystem == IMAGE_SUBSYSTEM_UNKNOWN)
    extra->Subsystem = pe->target_subsystem;

  sa = extra->SectionAlignment;
  fa = extra->FileAlignment;
  ib = extra->ImageBase;

  if (aouthdr_in->tsize)
    {
      aouthdr_in->text_start -= ib;
#ifndef COFF_WITH_pep
      aouthdr_in->text_start &= 0xffffffff;
#endif
    }
  if (aouthdr_in->dsize)
    {
      aouthdr_in->data_start -= ib;
#ifndef COFF_WITH_pep
      aouthdr_in->data_start &= 0xffffffff;
#endif
    }
  if (aouthdr_in->entry)
    {
      aouthdr_in->entry -= ib;
#ifndef COFF_WITH_pep
      aouthdr_in->entry &= 0xffffffff;
#endif
    }

#define FA(x) (((x) + fa -1 ) & (- fa))
#define SA(x) (((x) + sa -1 ) & (- sa))

  /* We like to have the sizes aligned.  */

  aouthdr_in->bsize = FA (aouthdr_in->bsize);

  extra->NumberOfRvaAndSizes = IMAGE_NUMBEROF_DIRECTORY_ENTRIES;

  /* first null out all data directory entries ..  */
  memset (extra->DataDirectory, sizeof (extra->DataDirectory), 0);

  add_data_entry (abfd, extra, 0, ".edata", ib);

  /* Don't call add_data_entry for .idata$2 or .idata$5.  It's done in
     bfd_coff_final_link where all the required information is
     available.  */

  /* However, until other .idata fixes are made (pending patch), the
     entry for .idata is needed for backwards compatability.  FIXME.  */
  add_data_entry (abfd, extra, 1, ".idata", ib);

  add_data_entry (abfd, extra, 2, ".rsrc", ib);

  add_data_entry (abfd, extra, 3, ".pdata", ib);

  /* For some reason, the virtual size (which is what's set by
     add_data_entry) for .reloc is not the same as the size recorded
     in this slot by MSVC; it doesn't seem to cause problems (so far),
     but since it's the best we've got, use it.  It does do the right
     thing for .pdata.  */
  if (pe->has_reloc_section)
    add_data_entry (abfd, extra, 5, ".reloc", ib);

  {
    asection *sec;
    bfd_vma dsize = 0;
    bfd_vma isize = SA(abfd->sections->filepos);
    bfd_vma tsize = 0;

    for (sec = abfd->sections; sec; sec = sec->next)
      {
	int rounded = FA(sec->_raw_size);

	if (sec->flags & SEC_DATA)
	  dsize += rounded;
	if (sec->flags & SEC_CODE)
	  tsize += rounded;
	/* The image size is the total VIRTUAL size (which is what is
	   in the virt_size field).  Files have been seen (from MSVC
	   5.0 link.exe) where the file size of the .data segment is
	   quite small compared to the virtual size.  Without this
	   fix, strip munges the file.  */
	isize += SA (FA (pei_section_data (abfd, sec)->virt_size));
      }

    aouthdr_in->dsize = dsize;
    aouthdr_in->tsize = tsize;
    extra->SizeOfImage = isize;
  }

  extra->SizeOfHeaders = abfd->sections->filepos;
  bfd_h_put_16 (abfd, aouthdr_in->magic, (bfd_byte *) aouthdr_out->standard.magic);

#define LINKER_VERSION 256 /* That is, 2.56 */

  /* This piece of magic sets the "linker version" field to
     LINKER_VERSION.  */
  bfd_h_put_16 (abfd,
		LINKER_VERSION / 100 + (LINKER_VERSION % 100) * 256,
		(bfd_byte *) aouthdr_out->standard.vstamp);

  PUT_AOUTHDR_TSIZE (abfd, aouthdr_in->tsize, (bfd_byte *) aouthdr_out->standard.tsize);
  PUT_AOUTHDR_DSIZE (abfd, aouthdr_in->dsize, (bfd_byte *) aouthdr_out->standard.dsize);
  PUT_AOUTHDR_BSIZE (abfd, aouthdr_in->bsize, (bfd_byte *) aouthdr_out->standard.bsize);
  PUT_AOUTHDR_ENTRY (abfd, aouthdr_in->entry, (bfd_byte *) aouthdr_out->standard.entry);
  PUT_AOUTHDR_TEXT_START (abfd, aouthdr_in->text_start,
			  (bfd_byte *) aouthdr_out->standard.text_start);

#ifndef COFF_WITH_pep
  /* PE32+ does not have data_start member! */
  PUT_AOUTHDR_DATA_START (abfd, aouthdr_in->data_start,
			  (bfd_byte *) aouthdr_out->standard.data_start);
#endif

  PUT_OPTHDR_IMAGE_BASE (abfd, extra->ImageBase,
			 (bfd_byte *) aouthdr_out->ImageBase);
  bfd_h_put_32 (abfd, extra->SectionAlignment,
		(bfd_byte *) aouthdr_out->SectionAlignment);
  bfd_h_put_32 (abfd, extra->FileAlignment,
		(bfd_byte *) aouthdr_out->FileAlignment);
  bfd_h_put_16 (abfd, extra->MajorOperatingSystemVersion,
		(bfd_byte *) aouthdr_out->MajorOperatingSystemVersion);
  bfd_h_put_16 (abfd, extra->MinorOperatingSystemVersion,
		(bfd_byte *) aouthdr_out->MinorOperatingSystemVersion);
  bfd_h_put_16 (abfd, extra->MajorImageVersion,
		(bfd_byte *) aouthdr_out->MajorImageVersion);
  bfd_h_put_16 (abfd, extra->MinorImageVersion,
		(bfd_byte *) aouthdr_out->MinorImageVersion);
  bfd_h_put_16 (abfd, extra->MajorSubsystemVersion,
		(bfd_byte *) aouthdr_out->MajorSubsystemVersion);
  bfd_h_put_16 (abfd, extra->MinorSubsystemVersion,
		(bfd_byte *) aouthdr_out->MinorSubsystemVersion);
  bfd_h_put_32 (abfd, extra->Reserved1,
		(bfd_byte *) aouthdr_out->Reserved1);
  bfd_h_put_32 (abfd, extra->SizeOfImage,
		(bfd_byte *) aouthdr_out->SizeOfImage);
  bfd_h_put_32 (abfd, extra->SizeOfHeaders,
		(bfd_byte *) aouthdr_out->SizeOfHeaders);
  bfd_h_put_32 (abfd, extra->CheckSum,
		(bfd_byte *) aouthdr_out->CheckSum);
  bfd_h_put_16 (abfd, extra->Subsystem,
		(bfd_byte *) aouthdr_out->Subsystem);
  bfd_h_put_16 (abfd, extra->DllCharacteristics,
		(bfd_byte *) aouthdr_out->DllCharacteristics);
  PUT_OPTHDR_SIZE_OF_STACK_RESERVE (abfd, extra->SizeOfStackReserve,
				    (bfd_byte *) aouthdr_out->SizeOfStackReserve);
  PUT_OPTHDR_SIZE_OF_STACK_COMMIT (abfd, extra->SizeOfStackCommit,
				   (bfd_byte *) aouthdr_out->SizeOfStackCommit);
  PUT_OPTHDR_SIZE_OF_HEAP_RESERVE (abfd, extra->SizeOfHeapReserve,
				   (bfd_byte *) aouthdr_out->SizeOfHeapReserve);
  PUT_OPTHDR_SIZE_OF_HEAP_COMMIT (abfd, extra->SizeOfHeapCommit,
				  (bfd_byte *) aouthdr_out->SizeOfHeapCommit);
  bfd_h_put_32 (abfd, extra->LoaderFlags,
		(bfd_byte *) aouthdr_out->LoaderFlags);
  bfd_h_put_32 (abfd, extra->NumberOfRvaAndSizes,
		(bfd_byte *) aouthdr_out->NumberOfRvaAndSizes);
  {
    int idx;
    for (idx = 0; idx < 16; idx++)
      {
	bfd_h_put_32 (abfd, extra->DataDirectory[idx].VirtualAddress,
		      (bfd_byte *) aouthdr_out->DataDirectory[idx][0]);
	bfd_h_put_32 (abfd, extra->DataDirectory[idx].Size,
		      (bfd_byte *) aouthdr_out->DataDirectory[idx][1]);
      }
  }

  return AOUTSZ;
}

unsigned int
_bfd_XXi_only_swap_filehdr_out (abfd, in, out)
     bfd       *abfd;
     PTR	in;
     PTR	out;
{
  int idx;
  struct internal_filehdr *filehdr_in = (struct internal_filehdr *) in;
  struct external_PEI_filehdr *filehdr_out = (struct external_PEI_filehdr *) out;

  if (pe_data (abfd)->has_reloc_section)
    filehdr_in->f_flags &= ~F_RELFLG;

  if (pe_data (abfd)->dll)
    filehdr_in->f_flags |= F_DLL;

  filehdr_in->pe.e_magic    = DOSMAGIC;
  filehdr_in->pe.e_cblp     = 0x90;
  filehdr_in->pe.e_cp       = 0x3;
  filehdr_in->pe.e_crlc     = 0x0;
  filehdr_in->pe.e_cparhdr  = 0x4;
  filehdr_in->pe.e_minalloc = 0x0;
  filehdr_in->pe.e_maxalloc = 0xffff;
  filehdr_in->pe.e_ss       = 0x0;
  filehdr_in->pe.e_sp       = 0xb8;
  filehdr_in->pe.e_csum     = 0x0;
  filehdr_in->pe.e_ip       = 0x0;
  filehdr_in->pe.e_cs       = 0x0;
  filehdr_in->pe.e_lfarlc   = 0x40;
  filehdr_in->pe.e_ovno     = 0x0;

  for (idx = 0; idx < 4; idx++)
    filehdr_in->pe.e_res[idx] = 0x0;

  filehdr_in->pe.e_oemid   = 0x0;
  filehdr_in->pe.e_oeminfo = 0x0;

  for (idx = 0; idx < 10; idx++)
    filehdr_in->pe.e_res2[idx] = 0x0;

  filehdr_in->pe.e_lfanew = 0x80;

  /* This next collection of data are mostly just characters.  It
     appears to be constant within the headers put on NT exes.  */
  filehdr_in->pe.dos_message[0]  = 0x0eba1f0e;
  filehdr_in->pe.dos_message[1]  = 0xcd09b400;