diff options
| author | Alexandre Chartre <alexandre.chartre@oracle.com> | 2025-11-21 10:53:21 +0100 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2025-11-21 15:30:10 +0100 |
| commit | fcb268b47a2f4a497fdb40ef24bb9e06488b7213 (patch) | |
| tree | 1b33d6d5c0ac717905fc6ad75a5acc473ae3db80 /tools/objtool/include | |
| parent | 70589843b36fee0c6e73632469da4e5fd11f0968 (diff) | |
objtool: Trace instruction state changes during function validation
During function validation, objtool maintains a per-instruction state,
in particular to track call frame information. When tracing validation,
print any instruction state changes.
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/20251121095340.464045-12-alexandre.chartre@oracle.com
Diffstat (limited to 'tools/objtool/include')
| -rw-r--r-- | tools/objtool/include/objtool/trace.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tools/objtool/include/objtool/trace.h b/tools/objtool/include/objtool/trace.h index 3f3c830ed114..33fe9c6acb4f 100644 --- a/tools/objtool/include/objtool/trace.h +++ b/tools/objtool/include/objtool/trace.h @@ -30,6 +30,12 @@ extern int trace_depth; } \ }) +#define TRACE_INSN_STATE(insn, sprev, snext) \ +({ \ + if (trace) \ + trace_insn_state(insn, sprev, snext); \ +}) + static inline void trace_enable(void) { trace = true; @@ -53,10 +59,14 @@ static inline void trace_depth_dec(void) trace_depth--; } +void trace_insn_state(struct instruction *insn, struct insn_state *sprev, + struct insn_state *snext); + #else /* DISAS */ #define TRACE(fmt, ...) ({}) #define TRACE_INSN(insn, fmt, ...) ({}) +#define TRACE_INSN_STATE(insn, sprev, snext) ({}) static inline void trace_enable(void) {} static inline void trace_disable(void) {} |