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| author | Peter Zijlstra <peterz@infradead.org> | 2024-10-07 10:16:56 +0200 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2025-11-21 11:21:30 +0100 |
| commit | 1be1fac648fe6184ef3d9a4b60a95eb53bffb0ee (patch) | |
| tree | f0539a834d2c853ca55098ec43a5adadea76984b /arch | |
| parent | 2ace52718376fdb56aca863da2eebe70d7e2ddb1 (diff) | |
x86: Rework __bug_table helpers
Rework the __bug_table helpers such that extension becomes easier.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://patch.msgid.link/20251110115757.111187573@infradead.org
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/include/asm/bug.h | 37 |
1 files changed, 20 insertions, 17 deletions
diff --git a/arch/x86/include/asm/bug.h b/arch/x86/include/asm/bug.h index 3910db28e2f5..27e3861cf984 100644 --- a/arch/x86/include/asm/bug.h +++ b/arch/x86/include/asm/bug.h @@ -37,39 +37,42 @@ #ifdef CONFIG_GENERIC_BUG #ifdef CONFIG_X86_32 -# define __BUG_REL(val) ".long " val +#define __BUG_REL(val) ".long " val #else -# define __BUG_REL(val) ".long " val " - ." +#define __BUG_REL(val) ".long " val " - ." #endif #ifdef CONFIG_DEBUG_BUGVERBOSE -#define __BUG_ENTRY(file, line, flags) \ - "2:\t" __BUG_REL("1b") "\t# bug_entry::bug_addr\n" \ +#define __BUG_ENTRY_VERBOSE(file, line) \ "\t" __BUG_REL(file) "\t# bug_entry::file\n" \ - "\t.word " line "\t# bug_entry::line\n" \ - "\t.word " flags "\t# bug_entry::flags\n" + "\t.word " line "\t# bug_entry::line\n" #else -#define __BUG_ENTRY(file, line, flags) \ - "2:\t" __BUG_REL("1b") "\t# bug_entry::bug_addr\n" \ - "\t.word " flags "\t# bug_entry::flags\n" +#define __BUG_ENTRY_VERBOSE(file, line) #endif +#define __BUG_ENTRY(file, line, flags) \ + __BUG_REL("1b") "\t# bug_entry::bug_addr\n" \ + __BUG_ENTRY_VERBOSE(file, line) \ + "\t.word " flags "\t# bug_entry::flags\n" + #define _BUG_FLAGS_ASM(ins, file, line, flags, size, extra) \ "1:\t" ins "\n" \ - ".pushsection __bug_table,\"aw\"\n" \ + ".pushsection __bug_table,\"aw\"\n\t" \ ANNOTATE_DATA_SPECIAL \ + "2:\n\t" \ __BUG_ENTRY(file, line, flags) \ "\t.org 2b + " size "\n" \ ".popsection\n" \ extra -#define _BUG_FLAGS(cond_str, ins, flags, extra) \ -do { \ - asm_inline volatile(_BUG_FLAGS_ASM(ins, "%c0", \ - "%c1", "%c2", "%c3", extra) \ - : : "i" (WARN_CONDITION_STR(cond_str) __FILE__), "i" (__LINE__), \ - "i" (flags), \ - "i" (sizeof(struct bug_entry))); \ +#define _BUG_FLAGS(cond_str, ins, flags, extra) \ +do { \ + asm_inline volatile(_BUG_FLAGS_ASM(ins, "%c0", \ + "%c1", "%c2", "%c3", extra) \ + : : "i" (WARN_CONDITION_STR(cond_str) __FILE__), \ + "i" (__LINE__), \ + "i" (flags), \ + "i" (sizeof(struct bug_entry))); \ } while (0) #define ARCH_WARN_ASM(file, line, flags, size) \ |