diff options
Diffstat (limited to 'tools/perf/util/srcline.c')
| -rw-r--r-- | tools/perf/util/srcline.c | 59 |
1 files changed, 58 insertions, 1 deletions
diff --git a/tools/perf/util/srcline.c b/tools/perf/util/srcline.c index 760742fd4a7d..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" @@ -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. |