diff options
| -rw-r--r-- | tools/perf/arch/s390/annotate/instructions.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/tools/perf/arch/s390/annotate/instructions.c b/tools/perf/arch/s390/annotate/instructions.c index e80589fc5b58..46c21831f2ac 100644 --- a/tools/perf/arch/s390/annotate/instructions.c +++ b/tools/perf/arch/s390/annotate/instructions.c @@ -52,6 +52,61 @@ static struct ins_ops s390_call_ops = { .scnprintf = call__scnprintf, }; +static int s390_mov__parse(struct arch *arch __maybe_unused, + struct ins_operands *ops, + struct map *map __maybe_unused) +{ + char *s = strchr(ops->raw, ','), *target, *endptr; + + if (s == NULL) + return -1; + + *s = '\0'; + ops->source.raw = strdup(ops->raw); + *s = ','; + + if (ops->source.raw == NULL) + return -1; + + target = ++s; + ops->target.raw = strdup(target); + if (ops->target.raw == NULL) + goto out_free_source; + + ops->target.addr = strtoull(target, &endptr, 16); + if (endptr == target) + goto out_free_target; + + s = strchr(endptr, '<'); + if (s == NULL) + goto out_free_target; + endptr = strchr(s + 1, '>'); + if (endptr == NULL) + goto out_free_target; + + *endptr = '\0'; + ops->target.name = strdup(s + 1); + *endptr = '>'; + if (ops->target.name == NULL) + goto out_free_target; + + return 0; + +out_free_target: + zfree(&ops->target.raw); +out_free_source: + zfree(&ops->source.raw); + return -1; +} + +static int mov__scnprintf(struct ins *ins, char *bf, size_t size, + struct ins_operands *ops); + +static struct ins_ops s390_mov_ops = { + .parse = s390_mov__parse, + .scnprintf = mov__scnprintf, +}; + static struct ins_ops *s390__associate_ins_ops(struct arch *arch, const char *name) { struct ins_ops *ops = NULL; @@ -68,6 +123,14 @@ static struct ins_ops *s390__associate_ins_ops(struct arch *arch, const char *na ops = &s390_call_ops; if (!strcmp(name, "br")) ops = &ret_ops; + /* override load/store relative to PC */ + if (!strcmp(name, "lrl") || + !strcmp(name, "lgrl") || + !strcmp(name, "lgfrl") || + !strcmp(name, "llgfrl") || + !strcmp(name, "strl") || + !strcmp(name, "stgrl")) + ops = &s390_mov_ops; if (ops) arch__associate_ins_ops(arch, name, ops); |