diff options
| -rw-r--r-- | tools/perf/arch/powerpc/util/sym-handling.c | 15 | ||||
| -rw-r--r-- | tools/perf/util/probe-event.c | 5 | ||||
| -rw-r--r-- | tools/perf/util/probe-event.h | 2 |
3 files changed, 22 insertions, 0 deletions
diff --git a/tools/perf/arch/powerpc/util/sym-handling.c b/tools/perf/arch/powerpc/util/sym-handling.c index a1700609e145..bbc1a50768dd 100644 --- a/tools/perf/arch/powerpc/util/sym-handling.c +++ b/tools/perf/arch/powerpc/util/sym-handling.c @@ -64,4 +64,19 @@ bool arch__prefers_symtab(void) { return true; } + +#define PPC64LE_LEP_OFFSET 8 + +void arch__fix_tev_from_maps(struct perf_probe_event *pev, + struct probe_trace_event *tev, struct map *map) +{ + /* + * ppc64 ABIv2 local entry point is currently always 2 instructions + * (8 bytes) after the global entry point. + */ + if (!pev->uprobes && map->dso->symtab_type == DSO_BINARY_TYPE__KALLSYMS) { + tev->point.address += PPC64LE_LEP_OFFSET; + tev->point.offset += PPC64LE_LEP_OFFSET; + } +} #endif diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c index 4dfb412ff1f4..eb75a5efcfd7 100644 --- a/tools/perf/util/probe-event.c +++ b/tools/perf/util/probe-event.c @@ -2447,6 +2447,10 @@ static int find_probe_functions(struct map *map, char *name) #define strdup_or_goto(str, label) \ ({ char *__p = strdup(str); if (!__p) goto label; __p; }) +void __weak arch__fix_tev_from_maps(struct perf_probe_event *pev __maybe_unused, + struct probe_trace_event *tev __maybe_unused, + struct map *map __maybe_unused) { } + /* * Find probe function addresses from map. * Return an error or the number of found probe_trace_event @@ -2553,6 +2557,7 @@ static int find_probe_trace_events_from_map(struct perf_probe_event *pev, strdup_or_goto(pev->args[i].type, nomem_out); } + arch__fix_tev_from_maps(pev, tev, map); } out: diff --git a/tools/perf/util/probe-event.h b/tools/perf/util/probe-event.h index 52bca4bf07ca..180f142cc170 100644 --- a/tools/perf/util/probe-event.h +++ b/tools/perf/util/probe-event.h @@ -136,6 +136,8 @@ extern int show_available_vars(struct perf_probe_event *pevs, int npevs, extern int show_available_funcs(const char *module, struct strfilter *filter, bool user); bool arch__prefers_symtab(void); +void arch__fix_tev_from_maps(struct perf_probe_event *pev, + struct probe_trace_event *tev, struct map *map); /* Maximum index number of event-name postfix */ #define MAX_EVENT_INDEX 1024 |