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authorArnaldo Carvalho de Melo <acme@redhat.com>2016-11-18 18:34:26 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2016-11-25 16:38:55 +0300
commit0781ea923445405a45464842e9ee0e30f76cb84b (patch)
tree84a038a97eafb571f1451120300745271c180327 /tools/perf/util/annotate.c
parent2a1ff812c40be982e4dd7a44159462fb25bebdf3 (diff)
downloadlinux-0781ea923445405a45464842e9ee0e30f76cb84b.tar.xz
perf annotate: Allow arches to have a init routine and a priv area
Arches like ARM will want to use regular expressions when deciding what instructions to associate with what ins_ops, provide infrastructure for that. Reviewed-by: Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Chris Riyder <chris.ryder@arm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Kim Phillips <kim.phillips@arm.com> Cc: Markus Trippelsdorf <markus@trippelsdorf.de> Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> Cc: Pawel Moll <pawel.moll@arm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Russell King <rmk+kernel@arm.linux.org.uk> Cc: Taeung Song <treeze.taeung@gmail.com> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-7dmnk9el2ipu3nxog092k9z5@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/annotate.c')
-rw-r--r--tools/perf/util/annotate.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index 026915a7dac8..1e96549650d7 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -39,6 +39,9 @@ struct arch {
size_t nr_instructions_allocated;
struct ins_ops *(*associate_instruction_ops)(struct arch *arch, const char *name);
bool sorted_instructions;
+ bool initialized;
+ void *priv;
+ int (*init)(struct arch *arch);
struct {
char comment_char;
char skip_functions_char;
@@ -1356,6 +1359,14 @@ int symbol__disassemble(struct symbol *sym, struct map *map, const char *arch_na
if (arch == NULL)
return -ENOTSUP;
+ if (arch->init) {
+ err = arch->init(arch);
+ if (err) {
+ pr_err("%s: failed to initialize %s arch priv area\n", __func__, arch->name);
+ return err;
+ }
+ }
+
pr_debug("%s: filename=%s, sym=%s, start=%#" PRIx64 ", end=%#" PRIx64 "\n", __func__,
symfs_filename, sym->name, map->unmap_ip(map, sym->start),
map->unmap_ip(map, sym->end));