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Add support for generating and inserting build IDs into COFF binaries.

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* peXXigen.c (pe_print_debugdata): New function: Displays the
	contents of the debug directory and decodes codeview entries.
	(_bfd_XXi_swap_debugdir_in, _bfd_XXi_swap_debugdir_out)
	(_bfd_XXi_slurp_codeview_record, _bfd_XXi_write_codeview_record):
	Add functions for reading and writing debugdir and codeview
	records.
	* libpei.h (_bfd_XXi_swap_debugdir_in, _bfd_XXi_swap_debugdir_out)
	(_bfd_XXi_write_codeview_record): Add prototypes and macros.
	* libcoff-in.h (pe_tdata): Add build-id data.
	* libcoff.h: Regenerate.
	* coffcode.h (coff_write_object_contents): Run build_id
	after_write_object_contents hook.

	* pe.h (external_IMAGE_DEBUG_DIRECTORY, _CV_INFO_PDB70)
	(_CV_INFO_PDB20): Add structures and constants for debug directory
	and codeview records.
	* internal.h (internal_IMAGE_DEBUG_DIRECTORY, CODEVIEW_INFO):
	Add structures and constants for internal representation of debug
	directory and codeview records.

	* emultempl/elf32.em (id_note_section_size, read_hex, write_build_id):
	Move code for parsing build-id option and calculating the build-id to...
	* ldbuildid.c: New file.
	* ldbuildid.h: New file.
	* Makefile.am (CFILES, HFILES, OFILES, ld_new_SOURCES): Add new
	files.
	* Makefile.in: Regenerate.
	* ld.texinfo: Update --build-id description to mention COFF
	support.
	* NEWS: Mention support for COFF build ids.
	* emultempl/pe.em (gld${EMULATION_NAME}_handle_option):
	(pecoff_checksum_contents, write_build_id, setup_build_id)
	(gld_${EMULATION_NAME}_after_open):  Handle and implement
	build-id option.
	* emultempl/pep.em: Likewise.
This commit is contained in:
Jon TURNEY
2014-04-08 10:59:43 +01:00
committed by Nick Clifton
parent ae1d276159
commit 61e2488cd8
25 changed files with 1101 additions and 191 deletions
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13
bfd/coffcode.h
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@@ -4329,7 +4329,18 @@ coff_write_object_contents (bfd * abfd)
}
#endif
/* Now write them. */
#ifdef COFF_WITH_PE
{
/* After object contents are finalized so we can compute a reasonable hash,
but before header is written so we can update it to point to debug directory. */
struct pe_tdata *pe = pe_data (abfd);
if (pe->build_id.after_write_object_contents != NULL)
(*pe->build_id.after_write_object_contents) (abfd);
}
#endif
/* Now write header. */
if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
return FALSE;