diff options
| author | Alexandre Chartre <alexandre.chartre@oracle.com> | 2025-11-21 10:53:36 +0100 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2025-11-24 20:39:47 +0100 |
| commit | 8308fd001927f5bdc37a9c9f9c413baec3fb7bbe (patch) | |
| tree | 39c7a737cddf33e13bd02f61258088e9d3238722 /tools/objtool/arch/x86/special.c | |
| parent | be5ee60ac554c6189cda963e886c4b97d2cb978c (diff) | |
objtool: Add Function to get the name of a CPU feature
Add a function to get the name of a CPU feature. The function is
architecture dependent and currently only implemented for x86. The
feature names are automatically generated from the cpufeatures.h
include file.
Signed-off-by: Alexandre Chartre <alexandre.chartre@oracle.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Josh Poimboeuf <jpoimboe@kernel.org>
Link: https://patch.msgid.link/20251121095340.464045-27-alexandre.chartre@oracle.com
Diffstat (limited to 'tools/objtool/arch/x86/special.c')
| -rw-r--r-- | tools/objtool/arch/x86/special.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tools/objtool/arch/x86/special.c b/tools/objtool/arch/x86/special.c index 09300761f108..e817a3fff449 100644 --- a/tools/objtool/arch/x86/special.c +++ b/tools/objtool/arch/x86/special.c @@ -4,6 +4,10 @@ #include <objtool/special.h> #include <objtool/builtin.h> #include <objtool/warn.h> +#include <asm/cpufeatures.h> + +/* cpu feature name array generated from cpufeatures.h */ +#include "cpu-feature-names.c" void arch_handle_alternative(struct special_alt *alt) { @@ -134,3 +138,9 @@ struct reloc *arch_find_switch_table(struct objtool_file *file, *table_size = 0; return rodata_reloc; } + +const char *arch_cpu_feature_name(int feature_number) +{ + return (feature_number < ARRAY_SIZE(cpu_feature_names)) ? + cpu_feature_names[feature_number] : NULL; +} |