diff options
Diffstat (limited to 'tools/perf/util/annotate.c')
| -rw-r--r-- | tools/perf/util/annotate.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index 3cdcdd449c86..655bd9443f5e 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -107,6 +107,14 @@ static struct ins_ops ret_ops; struct annotated_data_stat ann_data_stat; LIST_HEAD(ann_insn_stat); +/* Pseudo data types */ +struct annotated_data_type stackop_type = { + .self = { + .type_name = (char *)"(stack operation)", + .children = LIST_HEAD_INIT(stackop_type.self.children), + }, +}; + static int arch__grow_instructions(struct arch *arch) { struct ins *new_instructions; @@ -3724,6 +3732,18 @@ static struct annotated_item_stat *annotate_data_stat(struct list_head *head, return istat; } +static bool is_stack_operation(struct arch *arch, struct disasm_line *dl) +{ + if (arch__is(arch, "x86")) { + if (!strncmp(dl->ins.name, "push", 4) || + !strncmp(dl->ins.name, "pop", 3) || + !strncmp(dl->ins.name, "ret", 3)) + return true; + } + + return false; +} + /** * hist_entry__get_data_type - find data type for given hist entry * @he: hist entry @@ -3789,6 +3809,12 @@ retry: return NULL; } + if (is_stack_operation(arch, dl)) { + istat->good++; + he->mem_type_off = 0; + return &stackop_type; + } + for_each_insn_op_loc(&loc, i, op_loc) { if (!op_loc->mem_ref) continue; |