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util/cbfstool: Support AMD64 rmodules

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Add support for 64bit rmodule, as required for relocatable
ramstage on x86_64.

Change-Id: I7fbb3b4c0f76ce82c090b5f16f67a728b6bf94a5
Signed-off-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-on: https://review.coreboot.org/c/29874
Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Patrick Rudolph
2018-11-26 15:54:21 +01:00
committed by Patrick Georgi
parent f7fdc3a5ab
commit 565bebe0b3
3 changed files with 72 additions and 0 deletions
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32
util/cbfstool/rmodule.c
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@ -44,6 +44,33 @@ static int should_emit_386(Elf64_Rela *rel)
return (type == R_386_32);
}
static int valid_reloc_amd64(Elf64_Rela *rel)
{
int type;
type = ELF64_R_TYPE(rel->r_info);
/* Only these 5 relocations are expected to be found. */
return (type == R_AMD64_64 ||
type == R_AMD64_PC64 ||
type == R_AMD64_32S ||
type == R_AMD64_32 ||
type == R_AMD64_PC32);
}
static int should_emit_amd64(Elf64_Rela *rel)
{
int type;
type = ELF64_R_TYPE(rel->r_info);
/* Only emit absolute relocations */
return (type == R_AMD64_64 ||
type == R_AMD64_PC64 ||
type == R_AMD64_32S ||
type == R_AMD64_32);
}
static int valid_reloc_arm(Elf64_Rela *rel)
{
int type;
@ -100,6 +127,11 @@ static const struct arch_ops reloc_ops[] = {
.valid_type = valid_reloc_386,
.should_emit = should_emit_386,
},
{
.arch = EM_X86_64,
.valid_type = valid_reloc_amd64,
.should_emit = should_emit_amd64,
},
{
.arch = EM_ARM,
.valid_type = valid_reloc_arm,