diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/arch/powerpc/util/sym-handling.c | 28 | ||||
| -rw-r--r-- | tools/perf/util/probe-event.c | 5 | ||||
| -rw-r--r-- | tools/perf/util/probe-event.h | 3 | ||||
| -rw-r--r-- | tools/perf/util/symbol-elf.c | 7 | ||||
| -rw-r--r-- | tools/perf/util/symbol.h | 3 |
5 files changed, 31 insertions, 15 deletions
diff --git a/tools/perf/arch/powerpc/util/sym-handling.c b/tools/perf/arch/powerpc/util/sym-handling.c index 6974ba0fa065..c6d0f91731a1 100644 --- a/tools/perf/arch/powerpc/util/sym-handling.c +++ b/tools/perf/arch/powerpc/util/sym-handling.c @@ -19,12 +19,6 @@ bool elf__needs_adjust_symbols(GElf_Ehdr ehdr) ehdr.e_type == ET_DYN; } -#if defined(_CALL_ELF) && _CALL_ELF == 2 -void arch__elf_sym_adjust(GElf_Sym *sym) -{ - sym->st_value += PPC64_LOCAL_ENTRY_OFFSET(sym->st_other); -} -#endif #endif #if !defined(_CALL_ELF) || _CALL_ELF != 2 @@ -65,11 +59,21 @@ bool arch__prefers_symtab(void) return true; } +#ifdef HAVE_LIBELF_SUPPORT +void arch__sym_update(struct symbol *s, GElf_Sym *sym) +{ + s->arch_sym = sym->st_other; +} +#endif + #define PPC64LE_LEP_OFFSET 8 void arch__fix_tev_from_maps(struct perf_probe_event *pev, - struct probe_trace_event *tev, struct map *map) + struct probe_trace_event *tev, struct map *map, + struct symbol *sym) { + int lep_offset; + /* * When probing at a function entry point, we normally always want the * LEP since that catches calls to the function through both the GEP and @@ -82,10 +86,18 @@ void arch__fix_tev_from_maps(struct perf_probe_event *pev, * * In addition, we shouldn't specify an offset for kretprobes. */ - if (pev->point.offset || pev->point.retprobe || !map) + if (pev->point.offset || pev->point.retprobe || !map || !sym) return; + lep_offset = PPC64_LOCAL_ENTRY_OFFSET(sym->arch_sym); + if (map->dso->symtab_type == DSO_BINARY_TYPE__KALLSYMS) tev->point.offset += PPC64LE_LEP_OFFSET; + else if (lep_offset) { + if (pev->uprobes) + tev->point.address += lep_offset; + else + tev->point.offset += lep_offset; + } } #endif diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c index 85d82f4dc5e9..c82c625395ab 100644 --- a/tools/perf/util/probe-event.c +++ b/tools/perf/util/probe-event.c @@ -2477,7 +2477,8 @@ static int find_probe_functions(struct map *map, char *name, 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) { } + struct map *map __maybe_unused, + struct symbol *sym __maybe_unused) { } /* * Find probe function addresses from map. @@ -2614,7 +2615,7 @@ 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); + arch__fix_tev_from_maps(pev, tev, map, sym); } if (ret == skipped) { ret = -ENOENT; diff --git a/tools/perf/util/probe-event.h b/tools/perf/util/probe-event.h index e2209623f981..5a27eb4fad05 100644 --- a/tools/perf/util/probe-event.h +++ b/tools/perf/util/probe-event.h @@ -154,7 +154,8 @@ int show_available_vars(struct perf_probe_event *pevs, int npevs, 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); + struct probe_trace_event *tev, struct map *map, + struct symbol *sym); /* If there is no space to write, returns -E2BIG. */ int e_snprintf(char *str, size_t size, const char *format, ...) diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c index 3f9d6798bd18..87a297dd8901 100644 --- a/tools/perf/util/symbol-elf.c +++ b/tools/perf/util/symbol-elf.c @@ -770,7 +770,8 @@ static bool want_demangle(bool is_kernel_sym) return is_kernel_sym ? symbol_conf.demangle_kernel : symbol_conf.demangle; } -void __weak arch__elf_sym_adjust(GElf_Sym *sym __maybe_unused) { } +void __weak arch__sym_update(struct symbol *s __maybe_unused, + GElf_Sym *sym __maybe_unused) { } int dso__load_sym(struct dso *dso, struct map *map, struct symsrc *syms_ss, struct symsrc *runtime_ss, @@ -947,8 +948,6 @@ int dso__load_sym(struct dso *dso, struct map *map, (sym.st_value & 1)) --sym.st_value; - arch__elf_sym_adjust(&sym); - if (dso->kernel || kmodule) { char dso_name[PATH_MAX]; @@ -1082,6 +1081,8 @@ new_symbol: if (!f) goto out_elf_end; + arch__sym_update(f, &sym); + if (filter && filter(curr_map, f)) symbol__delete(f); else { diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h index c8e43979ed5c..07211c2f8456 100644 --- a/tools/perf/util/symbol.h +++ b/tools/perf/util/symbol.h @@ -55,6 +55,7 @@ struct symbol { u16 namelen; u8 binding; bool ignore; + u8 arch_sym; char name[0]; }; @@ -323,7 +324,7 @@ int setup_intlist(struct intlist **list, const char *list_str, #ifdef HAVE_LIBELF_SUPPORT bool elf__needs_adjust_symbols(GElf_Ehdr ehdr); -void arch__elf_sym_adjust(GElf_Sym *sym); +void arch__sym_update(struct symbol *s, GElf_Sym *sym); #endif #define SYMBOL_A 0 |