diff options
author | Aaron Durbin <adurbin@chromium.org> | 2015-10-27 16:21:55 -0500 |
---|---|---|
committer | Aaron Durbin <adurbin@chromium.org> | 2015-10-29 17:00:12 +0100 |
commit | 4f930c96496250d167bc1a397fa1faa9f20b3168 (patch) | |
tree | b1cc452477cace30dc50b214bf2534cf226f9765 /util/cbfstool/elfparsing.h | |
parent | 176250292920d119ca6d17181ef468714951b7e2 (diff) |
cbfstool: add ELF header initialization helper
In order for one to extract ELF files from cbfs it's
helpful to have common code which creates a default
executable ELF header for the provided constraints.
BUG=None
TEST=With follow up patch am able to extract out romstage
as an ELF file.
Change-Id: Ib8f2456f41b79c6c0430861e33e8b909725013f1
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/12218
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Diffstat (limited to 'util/cbfstool/elfparsing.h')
-rw-r--r-- | util/cbfstool/elfparsing.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/util/cbfstool/elfparsing.h b/util/cbfstool/elfparsing.h index f7d3c23d3b..fa1c277acc 100644 --- a/util/cbfstool/elfparsing.h +++ b/util/cbfstool/elfparsing.h @@ -77,6 +77,17 @@ elf_headers(const struct buffer *pinput, struct elf_writer; /* + * Initialize a 64-bit ELF header provided the inputs. While the structure + * is a 64-bit header one can specify a 32-bit machine. The 64-bit version + * is just used as a common structure. If one wants to specify the entry + * point, for example, the caller can set it after filling in the common + * bits. The machine, nbits, and endian values should be from the ELF + * definitions (e.g. EM_386, ELFCLASS32, and ELFDATA2LSB) found in elf.h + * with no endian conversion required. + */ +void elf_init_eheader(Elf64_Ehdr *ehdr, int machine, int nbits, int endian); + +/* * Initialize a new ELF writer. Deafult machine type, endianness, etc is * copied from the passed in Elf64_Ehdr. Returns NULL on failure, valid * pointer on success. |