diff options
Diffstat (limited to 'tools/perf/util')
-rw-r--r-- | tools/perf/util/annotate.c | 30 | ||||
-rw-r--r-- | tools/perf/util/annotate.h | 1 |
2 files changed, 26 insertions, 5 deletions
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index 873c877..e5670f1 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -17,11 +17,13 @@ #include "debug.h" #include "annotate.h" #include "evsel.h" +#include <regex.h> #include <pthread.h> #include <linux/bitops.h> const char *disassembler_style; const char *objdump_path; +static regex_t file_lineno; static struct ins *ins__find(const char *name); static int disasm_line__parse(char *line, char **namep, char **rawp); @@ -570,13 +572,15 @@ out_free_name: return -1; } -static struct disasm_line *disasm_line__new(s64 offset, char *line, size_t privsize) +static struct disasm_line *disasm_line__new(s64 offset, char *line, + size_t privsize, int line_nr) { struct disasm_line *dl = zalloc(sizeof(*dl) + privsize); if (dl != NULL) { dl->offset = offset; dl->line = strdup(line); + dl->line_nr = line_nr; if (dl->line == NULL) goto out_delete; @@ -788,13 +792,15 @@ static int disasm_line__print(struct disasm_line *dl, struct symbol *sym, u64 st * The ops.raw part will be parsed further according to type of the instruction. */ static int symbol__parse_objdump_line(struct symbol *sym, struct map *map, - FILE *file, size_t privsize) + FILE *file, size_t privsize, + int *line_nr) { struct annotation *notes = symbol__annotation(sym); struct disasm_line *dl; char *line = NULL, *parsed_line, *tmp, *tmp2, *c; size_t line_len; s64 line_ip, offset = -1; + regmatch_t match[2]; if (getline(&line, &line_len, file) < 0) return -1; @@ -812,6 +818,12 @@ static int symbol__parse_objdump_line(struct symbol *sym, struct map *map, line_ip = -1; parsed_line = line; + /* /filename:linenr ? Save line number and ignore. */ + if (regexec(&file_lineno, line, 2, match, 0) == 0) { + *line_nr = atoi(line + match[1].rm_so); + return 0; + } + /* * Strip leading spaces: */ @@ -842,8 +854,9 @@ static int symbol__parse_objdump_line(struct symbol *sym, struct map *map, parsed_line = tmp2 + 1; } - dl = disasm_line__new(offset, parsed_line, privsize); + dl = disasm_line__new(offset, parsed_line, privsize, *line_nr); free(line); + (*line_nr)++; if (dl == NULL) return -1; @@ -869,6 +882,11 @@ static int symbol__parse_objdump_line(struct symbol *sym, struct map *map, return 0; } +static __attribute__((constructor)) void symbol__init_regexpr(void) +{ + regcomp(&file_lineno, "^/[^:]+:([0-9]+)", REG_EXTENDED); +} + static void delete_last_nop(struct symbol *sym) { struct annotation *notes = symbol__annotation(sym); @@ -904,6 +922,7 @@ int symbol__annotate(struct symbol *sym, struct map *map, size_t privsize) char symfs_filename[PATH_MAX]; struct kcore_extract kce; bool delete_extract = false; + int lineno = 0; if (filename) symbol__join_symfs(symfs_filename, filename); @@ -984,7 +1003,7 @@ fallback: snprintf(command, sizeof(command), "%s %s%s --start-address=0x%016" PRIx64 " --stop-address=0x%016" PRIx64 - " -d %s %s -C %s 2>/dev/null|grep -v %s|expand", + " -l -d %s %s -C %s 2>/dev/null|grep -v %s|expand", objdump_path ? objdump_path : "objdump", disassembler_style ? "-M " : "", disassembler_style ? disassembler_style : "", @@ -1001,7 +1020,8 @@ fallback: goto out_free_filename; while (!feof(file)) - if (symbol__parse_objdump_line(sym, map, file, privsize) < 0) + if (symbol__parse_objdump_line(sym, map, file, privsize, + &lineno) < 0) break; /* diff --git a/tools/perf/util/annotate.h b/tools/perf/util/annotate.h index 112d6e2..0784a94 100644 --- a/tools/perf/util/annotate.h +++ b/tools/perf/util/annotate.h @@ -58,6 +58,7 @@ struct disasm_line { char *line; char *name; struct ins *ins; + int line_nr; struct ins_operands ops; }; |