diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2021-03-12 14:32:55 +0300 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2021-03-15 18:37:37 +0300 |
| commit | 301cddc21a157a3072d789a3097857202e550a24 (patch) | |
| tree | 77fec47c4e9ab4fa5acd079a71bb3e60b1f805c1 /tools/objtool | |
| parent | a89dfde3dc3c2dbf56910af75e2d8b11ec5308f6 (diff) | |
| download | linux-301cddc21a157a3072d789a3097857202e550a24.tar.xz | |
objtool/x86: Use asm/nops.h
Since the kernel will rely on a single canonical set of NOPs, make sure
objtool uses the exact same ones.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20210312115749.136357911@infradead.org
Diffstat (limited to 'tools/objtool')
| -rw-r--r-- | tools/objtool/arch/x86/decode.c | 13 | ||||
| -rwxr-xr-x | tools/objtool/sync-check.sh | 1 |
2 files changed, 9 insertions, 5 deletions
diff --git a/tools/objtool/arch/x86/decode.c b/tools/objtool/arch/x86/decode.c index 549813cff8ab..c117bfc60370 100644 --- a/tools/objtool/arch/x86/decode.c +++ b/tools/objtool/arch/x86/decode.c @@ -11,6 +11,9 @@ #include "../../../arch/x86/lib/inat.c" #include "../../../arch/x86/lib/insn.c" +#define CONFIG_64BIT 1 +#include <asm/nops.h> + #include <asm/orc_types.h> #include <objtool/check.h> #include <objtool/elf.h> @@ -596,11 +599,11 @@ void arch_initial_func_cfi_state(struct cfi_init_state *state) const char *arch_nop_insn(int len) { static const char nops[5][5] = { - /* 1 */ { 0x90 }, - /* 2 */ { 0x66, 0x90 }, - /* 3 */ { 0x0f, 0x1f, 0x00 }, - /* 4 */ { 0x0f, 0x1f, 0x40, 0x00 }, - /* 5 */ { 0x0f, 0x1f, 0x44, 0x00, 0x00 }, + { BYTES_NOP1 }, + { BYTES_NOP2 }, + { BYTES_NOP3 }, + { BYTES_NOP4 }, + { BYTES_NOP5 }, }; if (len < 1 || len > 5) { diff --git a/tools/objtool/sync-check.sh b/tools/objtool/sync-check.sh index 606a4b5e929f..d23268683910 100755 --- a/tools/objtool/sync-check.sh +++ b/tools/objtool/sync-check.sh @@ -10,6 +10,7 @@ FILES="include/linux/objtool.h" if [ "$SRCARCH" = "x86" ]; then FILES="$FILES +arch/x86/include/asm/nops.h arch/x86/include/asm/inat_types.h arch/x86/include/asm/orc_types.h arch/x86/include/asm/emulate_prefix.h |