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authorNamhyung Kim <[email protected]>2023-05-11 06:27:24 +0000
committerArnaldo Carvalho de Melo <[email protected]>2023-05-15 20:51:27 +0000
commit94f0705eee70cb256d21c9abe7ce44ffbe093555 (patch)
tree1879c245fc084ec00f54f74bdef27f0e4eb3ee1b /tools/perf/util/annotate.c
parentperf annotate: Handle "decq", "incq", "testq", "tzcnt" instructions on x86 (diff)
downloadkernel-94f0705eee70cb256d21c9abe7ce44ffbe093555.tar.gz
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perf annotate: Parse x86 SIB addressing properly
When the source argument of the "mov" instruction looks like below, it didn't parse the whole operand and just stopped at the first comma. mov (%rbx,%rax,1),%rcx Fix it by checking the parentheses and move it to the closing one. Signed-off-by: Namhyung Kim <[email protected]> Acked-by: Ian Rogers <[email protected]> Cc: Adrian Hunter <[email protected]> Cc: Andi Kleen <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Peter Zijlstra <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
Diffstat (limited to 'tools/perf/util/annotate.c')
-rw-r--r--tools/perf/util/annotate.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index 11992cfe271c..b708bbc49c9e 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -558,6 +558,19 @@ static int mov__parse(struct arch *arch, struct ins_operands *ops, struct map_sy
return -1;
*s = '\0';
+
+ /*
+ * x86 SIB addressing has something like 0x8(%rax, %rcx, 1)
+ * then it needs to have the closing parenthesis.
+ */
+ if (strchr(ops->raw, '(')) {
+ *s = ',';
+ s = strchr(ops->raw, ')');
+ if (s == NULL || s[1] != ',')
+ return -1;
+ *++s = '\0';
+ }
+
ops->source.raw = strdup(ops->raw);
*s = ',';