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Diffstat (limited to 'tools/perf/util/srcline.c')
-rw-r--r--tools/perf/util/srcline.c138
1 files changed, 99 insertions, 39 deletions
diff --git a/tools/perf/util/srcline.c b/tools/perf/util/srcline.c
index 7addc34afcf5..f32d0d4f4bc9 100644
--- a/tools/perf/util/srcline.c
+++ b/tools/perf/util/srcline.c
@@ -6,6 +6,7 @@
#include <string.h>
#include <sys/types.h>
+#include <linux/compiler.h>
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/zalloc.h>
@@ -16,6 +17,9 @@
#include "util/debug.h"
#include "util/callchain.h"
#include "util/symbol_conf.h"
+#ifdef HAVE_LIBLLVM_SUPPORT
+#include "util/llvm-c-helpers.h"
+#endif
#include "srcline.h"
#include "string2.h"
#include "symbol.h"
@@ -27,19 +31,19 @@ bool srcline_full_filename;
char *srcline__unknown = (char *)"??:0";
-static const char *dso__name(struct dso *dso)
+static const char *srcline_dso_name(struct dso *dso)
{
const char *dso_name;
- if (dso->symsrc_filename)
- dso_name = dso->symsrc_filename;
+ if (dso__symsrc_filename(dso))
+ dso_name = dso__symsrc_filename(dso);
else
- dso_name = dso->long_name;
+ dso_name = dso__long_name(dso);
if (dso_name[0] == '[')
return NULL;
- if (!strncmp(dso_name, "/tmp/perf-", 10))
+ if (is_perf_pid_map_name(dso_name))
return NULL;
return dso_name;
@@ -130,7 +134,60 @@ static struct symbol *new_inline_sym(struct dso *dso,
#define MAX_INLINE_NEST 1024
-#ifdef HAVE_LIBBFD_SUPPORT
+#ifdef HAVE_LIBLLVM_SUPPORT
+
+static void free_llvm_inline_frames(struct llvm_a2l_frame *inline_frames,
+ int num_frames)
+{
+ if (inline_frames != NULL) {
+ for (int i = 0; i < num_frames; ++i) {
+ zfree(&inline_frames[i].filename);
+ zfree(&inline_frames[i].funcname);
+ }
+ zfree(&inline_frames);
+ }
+}
+
+static int addr2line(const char *dso_name, u64 addr,
+ char **file, unsigned int *line, struct dso *dso,
+ bool unwind_inlines, struct inline_node *node,
+ struct symbol *sym)
+{
+ struct llvm_a2l_frame *inline_frames = NULL;
+ int num_frames = llvm_addr2line(dso_name, addr, file, line,
+ node && unwind_inlines, &inline_frames);
+
+ if (num_frames == 0 || !inline_frames) {
+ /* Error, or we didn't want inlines. */
+ return num_frames;
+ }
+
+ for (int i = 0; i < num_frames; ++i) {
+ struct symbol *inline_sym =
+ new_inline_sym(dso, sym, inline_frames[i].funcname);
+ char *srcline = NULL;
+
+ if (inline_frames[i].filename) {
+ srcline =
+ srcline_from_fileline(inline_frames[i].filename,
+ inline_frames[i].line);
+ }
+ if (inline_list__append(inline_sym, srcline, node) != 0) {
+ free_llvm_inline_frames(inline_frames, num_frames);
+ return 0;
+ }
+ }
+ free_llvm_inline_frames(inline_frames, num_frames);
+
+ return num_frames;
+}
+
+void dso__free_a2l(struct dso *dso __maybe_unused)
+{
+ /* Nothing to free. */
+}
+
+#elif defined(HAVE_LIBBFD_SUPPORT)
/*
* Implement addr2line using libbfd.
@@ -288,7 +345,7 @@ static int inline_list__append_dso_a2l(struct dso *dso,
struct inline_node *node,
struct symbol *sym)
{
- struct a2l_data *a2l = dso->a2l;
+ struct a2l_data *a2l = dso__a2l(dso);
struct symbol *inline_sym = new_inline_sym(dso, sym, a2l->funcname);
char *srcline = NULL;
@@ -304,11 +361,11 @@ static int addr2line(const char *dso_name, u64 addr,
struct symbol *sym)
{
int ret = 0;
- struct a2l_data *a2l = dso->a2l;
+ struct a2l_data *a2l = dso__a2l(dso);
if (!a2l) {
- dso->a2l = addr2line_init(dso_name);
- a2l = dso->a2l;
+ a2l = addr2line_init(dso_name);
+ dso__set_a2l(dso, a2l);
}
if (a2l == NULL) {
@@ -360,14 +417,14 @@ static int addr2line(const char *dso_name, u64 addr,
void dso__free_a2l(struct dso *dso)
{
- struct a2l_data *a2l = dso->a2l;
+ struct a2l_data *a2l = dso__a2l(dso);
if (!a2l)
return;
addr2line_cleanup(a2l);
- dso->a2l = NULL;
+ dso__set_a2l(dso, NULL);
}
#else /* HAVE_LIBBFD_SUPPORT */
@@ -638,7 +695,7 @@ static int addr2line(const char *dso_name, u64 addr,
struct inline_node *node,
struct symbol *sym __maybe_unused)
{
- struct child_process *a2l = dso->a2l;
+ struct child_process *a2l = dso__a2l(dso);
char *record_function = NULL;
char *record_filename = NULL;
unsigned int record_line_nr = 0;
@@ -655,8 +712,9 @@ static int addr2line(const char *dso_name, u64 addr,
if (!filename__has_section(dso_name, ".debug_line"))
goto out;
- dso->a2l = addr2line_subprocess_init(symbol_conf.addr2line_path, dso_name);
- a2l = dso->a2l;
+ dso__set_a2l(dso,
+ addr2line_subprocess_init(symbol_conf.addr2line_path, dso_name));
+ a2l = dso__a2l(dso);
}
if (a2l == NULL) {
@@ -770,7 +828,7 @@ out:
free(record_function);
free(record_filename);
if (io.eof) {
- dso->a2l = NULL;
+ dso__set_a2l(dso, NULL);
addr2line_subprocess_cleanup(a2l);
}
return ret;
@@ -778,14 +836,14 @@ out:
void dso__free_a2l(struct dso *dso)
{
- struct child_process *a2l = dso->a2l;
+ struct child_process *a2l = dso__a2l(dso);
if (!a2l)
return;
addr2line_subprocess_cleanup(a2l);
- dso->a2l = NULL;
+ dso__set_a2l(dso, NULL);
}
#endif /* HAVE_LIBBFD_SUPPORT */
@@ -823,33 +881,34 @@ char *__get_srcline(struct dso *dso, u64 addr, struct symbol *sym,
char *srcline;
const char *dso_name;
- if (!dso->has_srcline)
+ if (!dso__has_srcline(dso))
goto out;
- dso_name = dso__name(dso);
+ dso_name = srcline_dso_name(dso);
if (dso_name == NULL)
- goto out;
+ goto out_err;
if (!addr2line(dso_name, addr, &file, &line, dso,
unwind_inlines, NULL, sym))
- goto out;
+ goto out_err;
srcline = srcline_from_fileline(file, line);
free(file);
if (!srcline)
- goto out;
+ goto out_err;
- dso->a2l_fails = 0;
+ dso__set_a2l_fails(dso, 0);
return srcline;
-out:
- if (dso->a2l_fails && ++dso->a2l_fails > A2L_FAIL_LIMIT) {
- dso->has_srcline = 0;
+out_err:
+ dso__set_a2l_fails(dso, dso__a2l_fails(dso) + 1);
+ if (dso__a2l_fails(dso) > A2L_FAIL_LIMIT) {
+ dso__set_has_srcline(dso, false);
dso__free_a2l(dso);
}
-
+out:
if (!show_addr)
return (show_sym && sym) ?
strndup(sym->name, sym->namelen) : SRCLINE_UNKNOWN;
@@ -858,7 +917,7 @@ out:
if (asprintf(&srcline, "%s+%" PRIu64, show_sym ? sym->name : "",
ip - sym->start) < 0)
return SRCLINE_UNKNOWN;
- } else if (asprintf(&srcline, "%s[%" PRIx64 "]", dso->short_name, addr) < 0)
+ } else if (asprintf(&srcline, "%s[%" PRIx64 "]", dso__short_name(dso), addr) < 0)
return SRCLINE_UNKNOWN;
return srcline;
}
@@ -869,22 +928,23 @@ char *get_srcline_split(struct dso *dso, u64 addr, unsigned *line)
char *file = NULL;
const char *dso_name;
- if (!dso->has_srcline)
- goto out;
+ if (!dso__has_srcline(dso))
+ return NULL;
- dso_name = dso__name(dso);
+ dso_name = srcline_dso_name(dso);
if (dso_name == NULL)
- goto out;
+ goto out_err;
if (!addr2line(dso_name, addr, &file, line, dso, true, NULL, NULL))
- goto out;
+ goto out_err;
- dso->a2l_fails = 0;
+ dso__set_a2l_fails(dso, 0);
return file;
-out:
- if (dso->a2l_fails && ++dso->a2l_fails > A2L_FAIL_LIMIT) {
- dso->has_srcline = 0;
+out_err:
+ dso__set_a2l_fails(dso, dso__a2l_fails(dso) + 1);
+ if (dso__a2l_fails(dso) > A2L_FAIL_LIMIT) {
+ dso__set_has_srcline(dso, false);
dso__free_a2l(dso);
}
@@ -982,7 +1042,7 @@ struct inline_node *dso__parse_addr_inlines(struct dso *dso, u64 addr,
{
const char *dso_name;
- dso_name = dso__name(dso);
+ dso_name = srcline_dso_name(dso);
if (dso_name == NULL)
return NULL;
generated by cgit (git 2.34.1) at 2025-03-22 08:53:50 +0000