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2007-07-09 Roland McGrath <roland@redhat.com>

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* elf-bfd.h (struct elf_size_info): Add checksum_contents hook.
	(bfd_elf32_checksum_contents, bfd_elf64_checksum_contents): Declare.
	* elfcode.h (elf_checksum_contents): New macro and function.
	(NAME(_bfd_elf,size_info)): Initialize checksum_contents hook.
This commit is contained in:
Roland McGrath
2007-07-09 21:23:37 +00:00
parent ab24bc21aa
commit d94838b102
1 changed files with 50 additions and 1 deletions
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51
bfd/elfcode.h
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@ -122,6 +122,7 @@
#define elf_find_section NAME(bfd_elf,find_section)
#define elf_write_shdrs_and_ehdr NAME(bfd_elf,write_shdrs_and_ehdr)
#define elf_write_out_phdrs NAME(bfd_elf,write_out_phdrs)
#define elf_checksum_contents NAME(bfd_elf,checksum_contents)
#define elf_write_relocs NAME(bfd_elf,write_relocs)
#define elf_slurp_reloc_table NAME(bfd_elf,slurp_reloc_table)
@ -471,7 +472,7 @@ valid_section_index_p (unsigned index, unsigned num_sections)
/* Note: We allow SHN_UNDEF as a valid section index. */
if (index < SHN_LORESERVE || index > SHN_HIRESERVE)
return index < num_sections;
/* We disallow the use of reserved indcies, except for those
with OS or Application specific meaning. The test make use
of the knowledge that:
@ -1105,6 +1106,53 @@ elf_write_shdrs_and_ehdr (bfd *abfd)
return TRUE;
}
bfd_boolean
elf_checksum_contents (bfd *abfd,
void (*process) (const void *, size_t, void *),
void *arg)
{
Elf_Internal_Ehdr *i_ehdrp = elf_elfheader (abfd);
Elf_Internal_Shdr **i_shdrp = elf_elfsections (abfd);
Elf_Internal_Phdr *i_phdrp = elf_tdata (abfd)->phdr;
unsigned int count, num;
{
Elf_External_Ehdr x_ehdr;
Elf_Internal_Ehdr i_ehdr;
i_ehdr = *i_ehdrp;
i_ehdr.e_phoff = i_ehdr.e_shoff = 0;
elf_swap_ehdr_out (abfd, &i_ehdr, &x_ehdr);
(*process) (&x_ehdr, sizeof x_ehdr, arg);
}
num = i_ehdrp->e_phnum;
for (count = 0; count < num; count++)
{
Elf_External_Phdr x_phdr;
elf_swap_phdr_out (abfd, &i_phdrp[count], &x_phdr);
(*process) (&x_phdr, sizeof x_phdr, arg);
}
num = elf_numsections (abfd);
for (count = 0; count < num; count++)
{
Elf_Internal_Shdr i_shdr;
Elf_External_Shdr x_shdr;
i_shdr = *i_shdrp[count];
i_shdr.sh_offset = 0;
elf_swap_shdr_out (abfd, &i_shdr, &x_shdr);
(*process) (&x_shdr, sizeof x_shdr, arg);
if (i_shdr.contents)
(*process) (i_shdr.contents, i_shdr.sh_size, arg);
}
return TRUE;
}
long
elf_slurp_symbol_table (bfd *abfd, asymbol **symptrs, bfd_boolean dynamic)
{
@ -1803,6 +1851,7 @@ const struct elf_size_info NAME(_bfd_elf,size_info) = {
ELFCLASS, EV_CURRENT,
elf_write_out_phdrs,
elf_write_shdrs_and_ehdr,
elf_checksum_contents,
elf_write_relocs,
elf_swap_symbol_in,
elf_swap_symbol_out,