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perf annotate: Handle ins parsing failures 

Don't use the ins's ->sncprintf() if the parsing failed.

For example, this fixes the display of "imul %edx".  Without this patch:

       |      imul   (null),(null)

After this patch:

       |      imul   %edx

Signed-off-by: Rabin Vincent <rabin@rab.in>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1421607621-15005-1-git-send-email-rabin@rab.in
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Rabin Vincent 2015-01-18 20:00:20 +01:00 committed by Arnaldo Carvalho de Melo
parent 75e0b5f010
commit be81908c22
1 changed files with 5 additions and 4 deletions
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9
tools/perf/util/annotate.c
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@ -183,8 +183,9 @@ static int lock__parse(struct ins_operands *ops)
if (!ops->locked.ins->ops)
return 0;
if (ops->locked.ins->ops->parse)
ops->locked.ins->ops->parse(ops->locked.ops);
if (ops->locked.ins->ops->parse &&
ops->locked.ins->ops->parse(ops->locked.ops) < 0)
goto out_free_ops;
return 0;
@ -531,8 +532,8 @@ static void disasm_line__init_ins(struct disasm_line *dl)
if (!dl->ins->ops)
return;
if (dl->ins->ops->parse)
dl->ins->ops->parse(&dl->ops);
if (dl->ins->ops->parse && dl->ins->ops->parse(&dl->ops) < 0)
dl->ins = NULL;
}
static int disasm_line__parse(char *line, char **namep, char **rawp)