perf symbols: Ignore mapping symbols on aarch64

[firefly-linux-kernel-4.4.55.git] / tools / perf / util / symbol-elf.c

diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c
index b24f9d8727a894ccae13353abad0b951ec1b0916..225eb73ee78b7f52a64feb035fcf0c2336fdc7d9 100644 (file)
--- a/tools/perf/util/symbol-elf.c
+++ b/tools/perf/util/symbol-elf.c
@@ -859,10 +859,9 @@ int dso__load_sym(struct dso *dso, struct map *map,
                /* Reject ARM ELF "mapping symbols": these aren't unique and
                 * don't identify functions, so will confuse the profile
                 * output: */
-               if (ehdr.e_machine == EM_ARM) {
-                       if (!strcmp(elf_name, "$a") ||
-                           !strcmp(elf_name, "$d") ||
-                           !strcmp(elf_name, "$t"))
+               if (ehdr.e_machine == EM_ARM || ehdr.e_machine == EM_AARCH64) {
+                       if (elf_name[0] == '$' && strchr("adtx", elf_name[1])
+                           && (elf_name[2] == '\0' || elf_name[2] == '.'))
                                continue;
                }