From 9a054f5ac45e73fa1c128a866730b80cfdd68f0e Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Mon, 9 Jul 2007 21:23:37 +0000 Subject: [PATCH] 2007-07-09 Roland McGrath * 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. --- bfd/elfcode.h | 51 ++++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 50 insertions(+), 1 deletion(-) diff --git a/bfd/elfcode.h b/bfd/elfcode.h index 189807c00a..d2f4751e95 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, -- 2.11.0