perf symbols: Constify dso->long_name
Same reason as for dso->short_name, it may point to a const string, and
in most places it is treated as const, i.e. it is just accessed for
using its contents as a key or to show it on reports.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-nf7mxf33zt5qw207pbxxryot@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index cf6242c..0fcd81e 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -900,7 +900,7 @@
* cache, or is just a kallsyms file, well, lets hope that this
* DSO is the same as when 'perf record' ran.
*/
- filename = dso->long_name;
+ filename = (char *)dso->long_name;
snprintf(symfs_filename, sizeof(symfs_filename), "%s%s",
symbol_conf.symfs, filename);
free_filename = false;
diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c
index ecb37d6..2c7e189 100644
--- a/tools/perf/util/dso.c
+++ b/tools/perf/util/dso.c
@@ -67,7 +67,7 @@
case DSO_BINARY_TYPE__OPENEMBEDDED_DEBUGINFO:
{
- char *last_slash;
+ const char *last_slash;
size_t len;
size_t dir_size;
@@ -386,13 +386,13 @@
return dso;
}
-void dso__set_long_name(struct dso *dso, char *name, bool name_allocated)
+void dso__set_long_name(struct dso *dso, const char *name, bool name_allocated)
{
if (name == NULL)
return;
if (dso->long_name_allocated)
- free(dso->long_name);
+ free((char *)dso->long_name);
dso->long_name = name;
dso->long_name_len = strlen(name);
@@ -414,7 +414,7 @@
static void dso__set_basename(struct dso *dso)
{
- dso__set_short_name(dso, basename(dso->long_name), false);
+ dso__set_short_name(dso, basename((char *)dso->long_name), false);
}
int dso__name_len(const struct dso *dso)
@@ -478,7 +478,7 @@
if (dso->short_name_allocated)
free((char *)dso->short_name);
if (dso->long_name_allocated)
- free(dso->long_name);
+ free((char *)dso->long_name);
dso_cache__free(&dso->cache);
dso__free_a2l(dso);
free(dso->symsrc_filename);
diff --git a/tools/perf/util/dso.h b/tools/perf/util/dso.h
index 7b43469..a2d7129 100644
--- a/tools/perf/util/dso.h
+++ b/tools/perf/util/dso.h
@@ -96,7 +96,7 @@
u8 rel;
u8 build_id[BUILD_ID_SIZE];
const char *short_name;
- char *long_name;
+ const char *long_name;
u16 long_name_len;
u16 short_name_len;
char name[0];
@@ -111,7 +111,7 @@
void dso__delete(struct dso *dso);
void dso__set_short_name(struct dso *dso, const char *name, bool name_allocated);
-void dso__set_long_name(struct dso *dso, char *name, bool name_allocated);
+void dso__set_long_name(struct dso *dso, const char *name, bool name_allocated);
int dso__name_len(const struct dso *dso);
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 125cdc9..0bb830f 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -177,7 +177,7 @@
continue; \
else
-static int write_buildid(char *name, size_t name_len, u8 *build_id,
+static int write_buildid(const char *name, size_t name_len, u8 *build_id,
pid_t pid, u16 misc, int fd)
{
int err;
@@ -209,7 +209,7 @@
dsos__for_each_with_build_id(pos, head) {
int err;
- char *name;
+ const char *name;
size_t name_len;
if (!pos->hit)
@@ -387,7 +387,7 @@
{
bool is_kallsyms = dso->kernel && dso->long_name[0] != '/';
bool is_vdso = is_vdso_map(dso->short_name);
- char *name = dso->long_name;
+ const char *name = dso->long_name;
char nm[PATH_MAX];
if (dso__is_kcore(dso)) {
diff --git a/tools/perf/util/srcline.c b/tools/perf/util/srcline.c
index 0c07556..58b2bd8 100644
--- a/tools/perf/util/srcline.c
+++ b/tools/perf/util/srcline.c
@@ -255,7 +255,7 @@
char *file = NULL;
unsigned line = 0;
char *srcline;
- char *dso_name;
+ const char *dso_name;
if (!dso->has_srcline)
return SRCLINE_UNKNOWN;
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 5029ee1..e377c2e 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -1438,7 +1438,7 @@
dso->data_type = DSO_BINARY_TYPE__GUEST_VMLINUX;
else
dso->data_type = DSO_BINARY_TYPE__VMLINUX;
- dso__set_long_name(dso, (char *)vmlinux, vmlinux_allocated);
+ dso__set_long_name(dso, vmlinux, vmlinux_allocated);
dso__set_loaded(dso, map->type);
pr_debug("Using %s for symbols\n", symfs_vmlinux);
}
@@ -1630,7 +1630,7 @@
free(kallsyms_allocated_filename);
if (err > 0 && !dso__is_kcore(dso)) {
- dso__set_long_name(dso, strdup("[kernel.kallsyms]"), true);
+ dso__set_long_name(dso, "[kernel.kallsyms]", false);
map__fixup_start(map);
map__fixup_end(map);
}