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yaml
---
r: 304935
b: refs/heads/master
c: 7a997fe
h: refs/heads/master
i:
  304933: fdf72bc
  304931: 88d55db
  304927: d6aa758
v: v3
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Arnaldo Carvalho de Melo committed May 12, 2012
1 parent 8328e5b commit a4a40c5
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Showing 3 changed files with 110 additions and 35 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: a43712c4720c8df4bad7d3760c67086168553b05
refs/heads/master: 7a997fe4019f556a81530d3a737d817a2b0d622f
127 changes: 98 additions & 29 deletions trunk/tools/perf/util/annotate.c
Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,9 @@

const char *disassembler_style;

static struct ins *ins__find(const char *name);
static int disasm_line__parse(char *line, char **namep, char **rawp);

static int ins__raw_scnprintf(struct ins *ins, char *bf, size_t size,
struct ins_operands *ops)
{
Expand Down Expand Up @@ -147,6 +150,53 @@ static int comment__symbol(char *raw, char *comment, u64 *addrp, char **namep)
return 0;
}

static int lock__parse(struct ins_operands *ops)
{
char *name;

ops->locked.ops = zalloc(sizeof(*ops->locked.ops));
if (ops->locked.ops == NULL)
return 0;

if (disasm_line__parse(ops->raw, &name, &ops->locked.ops->raw) < 0)
goto out_free_ops;

ops->locked.ins = ins__find(name);
if (ops->locked.ins == NULL)
goto out_free_ops;

if (!ops->locked.ins->ops)
return 0;

if (ops->locked.ins->ops->parse)
ops->locked.ins->ops->parse(ops->locked.ops);

return 0;

out_free_ops:
free(ops->locked.ops);
ops->locked.ops = NULL;
return 0;
}

static int lock__scnprintf(struct ins *ins, char *bf, size_t size,
struct ins_operands *ops)
{
int printed;

if (ops->locked.ins == NULL)
return ins__raw_scnprintf(ins, bf, size, ops);

printed = scnprintf(bf, size, "%-6.6s ", ins->name);
return printed + ins__scnprintf(ops->locked.ins, bf + printed,
size - printed, ops->locked.ops);
}

static struct ins_ops lock_ops = {
.parse = lock__parse,
.scnprintf = lock__scnprintf,
};

static int mov__parse(struct ins_operands *ops)
{
char *s = strchr(ops->raw, ','), *target, *comment, prev;
Expand Down Expand Up @@ -265,6 +315,7 @@ static struct ins instructions[] = {
{ .name = "addq", .ops = &mov_ops, },
{ .name = "addw", .ops = &mov_ops, },
{ .name = "and", .ops = &mov_ops, },
{ .name = "bts", .ops = &mov_ops, },
{ .name = "call", .ops = &call_ops, },
{ .name = "callq", .ops = &call_ops, },
{ .name = "cmp", .ops = &mov_ops, },
Expand Down Expand Up @@ -314,6 +365,7 @@ static struct ins instructions[] = {
{ .name = "js", .ops = &jump_ops, },
{ .name = "jz", .ops = &jump_ops, },
{ .name = "lea", .ops = &mov_ops, },
{ .name = "lock", .ops = &lock_ops, },
{ .name = "mov", .ops = &mov_ops, },
{ .name = "movb", .ops = &mov_ops, },
{ .name = "movdqa",.ops = &mov_ops, },
Expand All @@ -330,6 +382,7 @@ static struct ins instructions[] = {
{ .name = "test", .ops = &mov_ops, },
{ .name = "testb", .ops = &mov_ops, },
{ .name = "testl", .ops = &mov_ops, },
{ .name = "xadd", .ops = &mov_ops, },
};

static int ins__cmp(const void *name, const void *insp)
Expand Down Expand Up @@ -420,6 +473,44 @@ static void disasm_line__init_ins(struct disasm_line *dl)
dl->ins->ops->parse(&dl->ops);
}

static int disasm_line__parse(char *line, char **namep, char **rawp)
{
char *name = line, tmp;

while (isspace(name[0]))
++name;

if (name[0] == '\0')
return -1;

*rawp = name + 1;

while ((*rawp)[0] != '\0' && !isspace((*rawp)[0]))
++*rawp;

tmp = (*rawp)[0];
(*rawp)[0] = '\0';
*namep = strdup(name);

if (*namep == NULL)
goto out_free_name;

(*rawp)[0] = tmp;

if ((*rawp)[0] != '\0') {
(*rawp)++;
while (isspace((*rawp)[0]))
++(*rawp);
}

return 0;

out_free_name:
free(*namep);
*namep = NULL;
return -1;
}

static struct disasm_line *disasm_line__new(s64 offset, char *line, size_t privsize)
{
struct disasm_line *dl = zalloc(sizeof(*dl) + privsize);
Expand All @@ -431,35 +522,9 @@ static struct disasm_line *disasm_line__new(s64 offset, char *line, size_t privs
goto out_delete;

if (offset != -1) {
char *name = dl->line, tmp;

while (isspace(name[0]))
++name;

if (name[0] == '\0')
goto out_delete;

dl->ops.raw = name + 1;

while (dl->ops.raw[0] != '\0' &&
!isspace(dl->ops.raw[0]))
++dl->ops.raw;

tmp = dl->ops.raw[0];
dl->ops.raw[0] = '\0';
dl->name = strdup(name);

if (dl->name == NULL)
if (disasm_line__parse(dl->line, &dl->name, &dl->ops.raw) < 0)
goto out_free_line;

dl->ops.raw[0] = tmp;

if (dl->ops.raw[0] != '\0') {
dl->ops.raw++;
while (isspace(dl->ops.raw[0]))
++dl->ops.raw;
}

disasm_line__init_ins(dl);
}
}
Expand All @@ -477,8 +542,12 @@ void disasm_line__free(struct disasm_line *dl)
{
free(dl->line);
free(dl->name);
free(dl->ops.source.raw);
free(dl->ops.source.name);
if (dl->ins && dl->ins->ops == &lock_ops) {
free(dl->ops.locked.ops);
} else {
free(dl->ops.source.raw);
free(dl->ops.source.name);
}
free(dl->ops.target.raw);
free(dl->ops.target.name);
free(dl);
Expand Down
16 changes: 11 additions & 5 deletions trunk/tools/perf/util/annotate.h
Original file line number Diff line number Diff line change
Expand Up @@ -18,11 +18,17 @@ struct ins_operands {
u64 addr;
u64 offset;
} target;
struct {
char *raw;
char *name;
u64 addr;
} source;
union {
struct {
char *raw;
char *name;
u64 addr;
} source;
struct {
struct ins *ins;
struct ins_operands *ops;
} locked;
};
};

struct ins_ops {
Expand Down

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