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perf annotate: Resolve symbols using objdump comment for single op ins

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Starting with inc, incl, dec, decl.

Requested-by: Linus Torvalds <[email protected]>
Cc: David Ahern <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: Mike Galbraith <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Stephane Eranian <[email protected]>
Link: http://lkml.kernel.org/n/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
This commit is contained in:
Arnaldo Carvalho de Melo 2012-05-11 17:21:09 -03:00
commit a43712c472
1 changed files with 45 additions and 0 deletions
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45
tools/perf/util/annotate.c
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@ -205,6 +205,47 @@ static struct ins_ops mov_ops = {
.scnprintf = mov__scnprintf,
};
static int dec__parse(struct ins_operands *ops)
{
char *target, *comment, *s, prev;
target = s = ops->raw;
while (s[0] != '\0' && !isspace(s[0]))
++s;
prev = *s;
*s = '\0';
ops->target.raw = strdup(target);
*s = prev;
if (ops->target.raw == NULL)
return -1;
comment = strchr(s, '#');
if (comment == NULL)
return 0;
while (comment[0] != '\0' && isspace(comment[0]))
++comment;
comment__symbol(ops->target.raw, comment, &ops->target.addr, &ops->target.name);
return 0;
}
static int dec__scnprintf(struct ins *ins, char *bf, size_t size,
struct ins_operands *ops)
{
return scnprintf(bf, size, "%-6.6s %s", ins->name,
ops->target.name ?: ops->target.raw);
}
static struct ins_ops dec_ops = {
.parse = dec__parse,
.scnprintf = dec__scnprintf,
};
static int nop__scnprintf(struct ins *ins __used, char *bf, size_t size,
struct ins_operands *ops __used)
{
@ -232,7 +273,11 @@ static struct ins instructions[] = {
{ .name = "cmpq", .ops = &mov_ops, },
{ .name = "cmpw", .ops = &mov_ops, },
{ .name = "cmpxch", .ops = &mov_ops, },
{ .name = "dec", .ops = &dec_ops, },
{ .name = "decl", .ops = &dec_ops, },
{ .name = "imul", .ops = &mov_ops, },
{ .name = "inc", .ops = &dec_ops, },
{ .name = "incl", .ops = &dec_ops, },
{ .name = "ja", .ops = &jump_ops, },
{ .name = "jae", .ops = &jump_ops, },
{ .name = "jb", .ops = &jump_ops, },