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authorRoland McGrath <roland@gnu.org>2007-07-09 21:23:37 +0000
committerRoland McGrath <roland@gnu.org>2007-07-09 21:23:37 +0000
commitd94838b10225a1444ce294b342b75c7729fddeac (patch)
tree0df598716cab6f636a4e216014e45ffe24e75aef /bfd
parentab24bc21aa8d1bf6e82051de90a4a9d52a8cb28e (diff)
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2007-07-09 Roland McGrath <roland@redhat.com>
* 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.
Diffstat (limited to 'bfd')
-rw-r--r--bfd/elfcode.h51
1 files changed, 50 insertions, 1 deletions
diff --git a/bfd/elfcode.h b/bfd/elfcode.h
index 189807c..d2f4751 100644
--- a/bfd/elfcode.h
+++ b/bfd/elfcode.h
@@ -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,