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author | Julien Thierry <jthierry@redhat.com> | 2020-09-04 18:30:21 +0300 |
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committer | Josh Poimboeuf <jpoimboe@redhat.com> | 2020-09-10 18:43:13 +0300 |
commit | c8ea0d672521ef663f0f9a77faa94d0d47102d77 (patch) | |
tree | 5f8a0ec400abdbc6c4ae035721a9e5b017426230 /tools/objtool/arch/x86 | |
parent | bb090fdb70ecc51c91e1d86345adae064caa06c8 (diff) | |
download | linux-c8ea0d672521ef663f0f9a77faa94d0d47102d77.tar.xz |
objtool: Move macros describing structures to arch-dependent code
Some macros are defined to describe the size and layout of structures
exception_table_entry, jump_entry and alt_instr. These values can vary
from one architecture to another.
Have the values be defined by arch specific code.
Suggested-by: Raphael Gault <raphael.gault@arm.com>
Reviewed-by: Miroslav Benes <mbenes@suse.cz>
Signed-off-by: Julien Thierry <jthierry@redhat.com>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Diffstat (limited to 'tools/objtool/arch/x86')
-rw-r--r-- | tools/objtool/arch/x86/include/arch_special.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/tools/objtool/arch/x86/include/arch_special.h b/tools/objtool/arch/x86/include/arch_special.h new file mode 100644 index 000000000000..d818b2bffa02 --- /dev/null +++ b/tools/objtool/arch/x86/include/arch_special.h @@ -0,0 +1,20 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +#ifndef _X86_ARCH_SPECIAL_H +#define _X86_ARCH_SPECIAL_H + +#define EX_ENTRY_SIZE 12 +#define EX_ORIG_OFFSET 0 +#define EX_NEW_OFFSET 4 + +#define JUMP_ENTRY_SIZE 16 +#define JUMP_ORIG_OFFSET 0 +#define JUMP_NEW_OFFSET 4 + +#define ALT_ENTRY_SIZE 13 +#define ALT_ORIG_OFFSET 0 +#define ALT_NEW_OFFSET 4 +#define ALT_FEATURE_OFFSET 8 +#define ALT_ORIG_LEN_OFFSET 10 +#define ALT_NEW_LEN_OFFSET 11 + +#endif /* _X86_ARCH_SPECIAL_H */ |