diff options
| author | Julien Thierry <jthierry@redhat.com> | 2020-09-04 16:30:21 +0100 |
|---|---|---|
| committer | Josh Poimboeuf <jpoimboe@redhat.com> | 2020-09-10 10:43:13 -0500 |
| commit | c8ea0d672521ef663f0f9a77faa94d0d47102d77 (patch) | |
| tree | 5f8a0ec400abdbc6c4ae035721a9e5b017426230 /tools/objtool | |
| parent | bb090fdb70ecc51c91e1d86345adae064caa06c8 (diff) | |
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')
| -rw-r--r-- | tools/objtool/arch/x86/include/arch_special.h | 20 | ||||
| -rw-r--r-- | tools/objtool/special.c | 16 |
2 files changed, 21 insertions, 15 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 */ diff --git a/tools/objtool/special.c b/tools/objtool/special.c index e893f1e48e44..b04f395de5de 100644 --- a/tools/objtool/special.c +++ b/tools/objtool/special.c @@ -14,21 +14,7 @@ #include "builtin.h" #include "special.h" #include "warn.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 +#include "arch_special.h" #define X86_FEATURE_POPCNT (4*32+23) #define X86_FEATURE_SMAP (9*32+20) |