blob: 11c7743203a08461799e74d9a9d26ea4e34fa117 [file] [log] [blame]
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001/*
2 * Copyright (C) 2011, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
3 *
4 * Parts came from builtin-annotate.c, see those files for further
5 * copyright notes.
6 *
7 * Released under the GPL v2. (and only v2, not any later version)
8 */
9
Arnaldo Carvalho de Meloa43783a2017-04-18 10:46:11 -030010#include <errno.h>
Arnaldo Carvalho de Melofd20e812017-04-17 15:23:08 -030011#include <inttypes.h>
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -020012#include "util.h"
Namhyung Kim48c65bd2014-02-20 10:32:53 +090013#include "ui/ui.h"
14#include "sort.h"
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -020015#include "build-id.h"
16#include "color.h"
17#include "cache.h"
18#include "symbol.h"
19#include "debug.h"
20#include "annotate.h"
Namhyung Kimdb8fd072013-03-05 14:53:21 +090021#include "evsel.h"
Peter Zijlstra70fbe052016-09-05 16:08:12 -030022#include "block-range.h"
Arnaldo Carvalho de Meloa0675582017-04-17 16:51:59 -030023#include "string2.h"
Arnaldo Carvalho de Melo786c1b52016-11-16 15:39:50 -030024#include "arch/common.h"
Andi Kleene5924882014-11-12 18:05:26 -080025#include <regex.h>
Arnaldo Carvalho de Meloce6f4fa2011-02-08 13:27:39 -020026#include <pthread.h>
Jiri Olsa4383db82012-10-27 23:18:29 +020027#include <linux/bitops.h>
Arnaldo Carvalho de Melo877a7a12017-04-17 11:39:06 -030028#include <linux/kernel.h>
Arnaldo Carvalho de Melo786c1b52016-11-16 15:39:50 -030029#include <sys/utsname.h>
Arnaldo Carvalho de Meloce6f4fa2011-02-08 13:27:39 -020030
Arnaldo Carvalho de Melo3d689ed2017-04-17 16:10:49 -030031#include "sane_ctype.h"
32
Andi Kleenf69b64f2011-09-15 14:31:41 -070033const char *disassembler_style;
Maciek Borzecki7a4ec932012-09-04 12:32:30 +020034const char *objdump_path;
Andi Kleene5924882014-11-12 18:05:26 -080035static regex_t file_lineno;
Andi Kleenf69b64f2011-09-15 14:31:41 -070036
Arnaldo Carvalho de Melo75b49202016-11-24 11:16:06 -030037static struct ins_ops *ins__find(struct arch *arch, const char *name);
Arnaldo Carvalho de Melo2a1ff812016-11-24 11:37:08 -030038static void ins__sort(struct arch *arch);
Arnaldo Carvalho de Melo75b49202016-11-24 11:16:06 -030039static int disasm_line__parse(char *line, const char **namep, char **rawp);
Arnaldo Carvalho de Melo7a997fe2012-05-12 13:15:34 -030040
Arnaldo Carvalho de Melo786c1b52016-11-16 15:39:50 -030041struct arch {
42 const char *name;
Arnaldo Carvalho de Melo763d8962016-11-17 12:31:51 -030043 struct ins *instructions;
44 size_t nr_instructions;
Arnaldo Carvalho de Melo2a1ff812016-11-24 11:37:08 -030045 size_t nr_instructions_allocated;
46 struct ins_ops *(*associate_instruction_ops)(struct arch *arch, const char *name);
Arnaldo Carvalho de Melo763d8962016-11-17 12:31:51 -030047 bool sorted_instructions;
Arnaldo Carvalho de Melo0781ea92016-11-18 12:34:26 -030048 bool initialized;
49 void *priv;
Jin Yao69fb09f2017-07-07 13:06:34 +080050 unsigned int model;
51 unsigned int family;
Jiri Olsa696e2452017-10-11 17:01:24 +020052 int (*init)(struct arch *arch, char *cpuid);
Jin Yao69fb09f2017-07-07 13:06:34 +080053 bool (*ins_is_fused)(struct arch *arch, const char *ins1,
54 const char *ins2);
Arnaldo Carvalho de Melo786c1b52016-11-16 15:39:50 -030055 struct {
56 char comment_char;
Arnaldo Carvalho de Melo9c2fb452016-11-16 15:50:38 -030057 char skip_functions_char;
Arnaldo Carvalho de Melo786c1b52016-11-16 15:39:50 -030058 } objdump;
59};
60
Arnaldo Carvalho de Melo763d8962016-11-17 12:31:51 -030061static struct ins_ops call_ops;
62static struct ins_ops dec_ops;
63static struct ins_ops jump_ops;
64static struct ins_ops mov_ops;
65static struct ins_ops nop_ops;
66static struct ins_ops lock_ops;
67static struct ins_ops ret_ops;
68
Arnaldo Carvalho de Melo2a1ff812016-11-24 11:37:08 -030069static int arch__grow_instructions(struct arch *arch)
70{
71 struct ins *new_instructions;
72 size_t new_nr_allocated;
73
74 if (arch->nr_instructions_allocated == 0 && arch->instructions)
75 goto grow_from_non_allocated_table;
76
77 new_nr_allocated = arch->nr_instructions_allocated + 128;
78 new_instructions = realloc(arch->instructions, new_nr_allocated * sizeof(struct ins));
79 if (new_instructions == NULL)
80 return -1;
81
82out_update_instructions:
83 arch->instructions = new_instructions;
84 arch->nr_instructions_allocated = new_nr_allocated;
85 return 0;
86
87grow_from_non_allocated_table:
88 new_nr_allocated = arch->nr_instructions + 128;
89 new_instructions = calloc(new_nr_allocated, sizeof(struct ins));
90 if (new_instructions == NULL)
91 return -1;
92
93 memcpy(new_instructions, arch->instructions, arch->nr_instructions);
94 goto out_update_instructions;
95}
96
Arnaldo Carvalho de Meloacc9bfb2016-11-18 16:54:10 -030097static int arch__associate_ins_ops(struct arch* arch, const char *name, struct ins_ops *ops)
Arnaldo Carvalho de Melo2a1ff812016-11-24 11:37:08 -030098{
99 struct ins *ins;
100
101 if (arch->nr_instructions == arch->nr_instructions_allocated &&
102 arch__grow_instructions(arch))
103 return -1;
104
105 ins = &arch->instructions[arch->nr_instructions];
106 ins->name = strdup(name);
107 if (!ins->name)
108 return -1;
109
110 ins->ops = ops;
111 arch->nr_instructions++;
112
113 ins__sort(arch);
114 return 0;
115}
116
Arnaldo Carvalho de Melo763d8962016-11-17 12:31:51 -0300117#include "arch/arm/annotate/instructions.c"
Kim Phillips0fcb1da2016-11-30 09:23:44 -0600118#include "arch/arm64/annotate/instructions.c"
Arnaldo Carvalho de Melo763d8962016-11-17 12:31:51 -0300119#include "arch/x86/annotate/instructions.c"
Ravi Bangoriadbdebdc2016-11-23 21:33:46 +0530120#include "arch/powerpc/annotate/instructions.c"
Christian Borntraegerd9f8dfa2017-04-06 09:51:52 +0200121#include "arch/s390/annotate/instructions.c"
Arnaldo Carvalho de Melo763d8962016-11-17 12:31:51 -0300122
Arnaldo Carvalho de Melo786c1b52016-11-16 15:39:50 -0300123static struct arch architectures[] = {
124 {
125 .name = "arm",
Arnaldo Carvalho de Meloacc9bfb2016-11-18 16:54:10 -0300126 .init = arm__annotate_init,
Arnaldo Carvalho de Melo786c1b52016-11-16 15:39:50 -0300127 },
128 {
Kim Phillips0fcb1da2016-11-30 09:23:44 -0600129 .name = "arm64",
130 .init = arm64__annotate_init,
131 },
132 {
Arnaldo Carvalho de Melo786c1b52016-11-16 15:39:50 -0300133 .name = "x86",
Jiri Olsa696e2452017-10-11 17:01:24 +0200134 .init = x86__annotate_init,
Arnaldo Carvalho de Melo763d8962016-11-17 12:31:51 -0300135 .instructions = x86__instructions,
136 .nr_instructions = ARRAY_SIZE(x86__instructions),
Jin Yao69fb09f2017-07-07 13:06:34 +0800137 .ins_is_fused = x86__ins_is_fused,
Arnaldo Carvalho de Melo786c1b52016-11-16 15:39:50 -0300138 .objdump = {
139 .comment_char = '#',
140 },
141 },
Ravi Bangoriadbdebdc2016-11-23 21:33:46 +0530142 {
143 .name = "powerpc",
144 .init = powerpc__annotate_init,
145 },
Christian Borntraegere77852b2017-04-06 09:51:51 +0200146 {
147 .name = "s390",
Christian Borntraegerd9f8dfa2017-04-06 09:51:52 +0200148 .init = s390__annotate_init,
Christian Borntraegere77852b2017-04-06 09:51:51 +0200149 .objdump = {
150 .comment_char = '#',
151 },
152 },
Arnaldo Carvalho de Melo786c1b52016-11-16 15:39:50 -0300153};
154
Arnaldo Carvalho de Meloc46219ac2012-05-12 13:26:20 -0300155static void ins__delete(struct ins_operands *ops)
156{
Arnaldo Carvalho de Melo39956142015-03-05 15:27:28 -0300157 if (ops == NULL)
158 return;
Arnaldo Carvalho de Melo74cf2492013-12-27 16:55:14 -0300159 zfree(&ops->source.raw);
160 zfree(&ops->source.name);
161 zfree(&ops->target.raw);
162 zfree(&ops->target.name);
Arnaldo Carvalho de Meloc46219ac2012-05-12 13:26:20 -0300163}
164
Arnaldo Carvalho de Melo54170722012-05-07 18:54:16 -0300165static int ins__raw_scnprintf(struct ins *ins, char *bf, size_t size,
166 struct ins_operands *ops)
167{
168 return scnprintf(bf, size, "%-6.6s %s", ins->name, ops->raw);
169}
170
171int ins__scnprintf(struct ins *ins, char *bf, size_t size,
172 struct ins_operands *ops)
173{
174 if (ins->ops->scnprintf)
175 return ins->ops->scnprintf(ins, bf, size, ops);
176
177 return ins__raw_scnprintf(ins, bf, size, ops);
178}
179
Jin Yao69fb09f2017-07-07 13:06:34 +0800180bool ins__is_fused(struct arch *arch, const char *ins1, const char *ins2)
181{
182 if (!arch || !arch->ins_is_fused)
183 return false;
184
185 return arch->ins_is_fused(arch, ins1, ins2);
186}
187
Arnaldo Carvalho de Melo9c2fb452016-11-16 15:50:38 -0300188static int call__parse(struct arch *arch, struct ins_operands *ops, struct map *map)
Arnaldo Carvalho de Melod86b0592012-04-18 16:07:38 -0300189{
Arnaldo Carvalho de Melod2232882012-04-20 15:26:47 -0300190 char *endptr, *tok, *name;
191
Arnaldo Carvalho de Melo44d1a3e2012-04-25 08:00:23 -0300192 ops->target.addr = strtoull(ops->raw, &endptr, 16);
Arnaldo Carvalho de Melod2232882012-04-20 15:26:47 -0300193
194 name = strchr(endptr, '<');
195 if (name == NULL)
196 goto indirect_call;
197
198 name++;
199
Arnaldo Carvalho de Melo9c2fb452016-11-16 15:50:38 -0300200 if (arch->objdump.skip_functions_char &&
201 strchr(name, arch->objdump.skip_functions_char))
Russell Kingcfef25b2015-12-06 23:07:13 +0000202 return -1;
Russell Kingcfef25b2015-12-06 23:07:13 +0000203
Arnaldo Carvalho de Melod2232882012-04-20 15:26:47 -0300204 tok = strchr(name, '>');
205 if (tok == NULL)
206 return -1;
207
208 *tok = '\0';
Arnaldo Carvalho de Melo44d1a3e2012-04-25 08:00:23 -0300209 ops->target.name = strdup(name);
Arnaldo Carvalho de Melod2232882012-04-20 15:26:47 -0300210 *tok = '>';
211
Arnaldo Carvalho de Melo44d1a3e2012-04-25 08:00:23 -0300212 return ops->target.name == NULL ? -1 : 0;
Arnaldo Carvalho de Melod2232882012-04-20 15:26:47 -0300213
214indirect_call:
Ravi Bangoria88a7fcf2016-08-19 18:29:35 +0530215 tok = strchr(endptr, '*');
216 if (tok == NULL) {
Arnaldo Carvalho de Melo5f62d4f2016-09-19 17:26:11 -0300217 struct symbol *sym = map__find_symbol(map, map->map_ip(map, ops->target.addr));
218 if (sym != NULL)
219 ops->target.name = strdup(sym->name);
220 else
221 ops->target.addr = 0;
Arnaldo Carvalho de Meloe8ea1562012-05-11 12:28:55 -0300222 return 0;
223 }
224
Arnaldo Carvalho de Melo44d1a3e2012-04-25 08:00:23 -0300225 ops->target.addr = strtoull(tok + 1, NULL, 16);
Arnaldo Carvalho de Melod86b0592012-04-18 16:07:38 -0300226 return 0;
227}
228
Arnaldo Carvalho de Melod2232882012-04-20 15:26:47 -0300229static int call__scnprintf(struct ins *ins, char *bf, size_t size,
Arnaldo Carvalho de Melo54170722012-05-07 18:54:16 -0300230 struct ins_operands *ops)
Arnaldo Carvalho de Melod2232882012-04-20 15:26:47 -0300231{
Arnaldo Carvalho de Melo44d1a3e2012-04-25 08:00:23 -0300232 if (ops->target.name)
233 return scnprintf(bf, size, "%-6.6s %s", ins->name, ops->target.name);
Arnaldo Carvalho de Melod2232882012-04-20 15:26:47 -0300234
Arnaldo Carvalho de Meloe8ea1562012-05-11 12:28:55 -0300235 if (ops->target.addr == 0)
236 return ins__raw_scnprintf(ins, bf, size, ops);
237
Arnaldo Carvalho de Melo44d1a3e2012-04-25 08:00:23 -0300238 return scnprintf(bf, size, "%-6.6s *%" PRIx64, ins->name, ops->target.addr);
Arnaldo Carvalho de Melod2232882012-04-20 15:26:47 -0300239}
240
Arnaldo Carvalho de Melod86b0592012-04-18 16:07:38 -0300241static struct ins_ops call_ops = {
Arnaldo Carvalho de Melod2232882012-04-20 15:26:47 -0300242 .parse = call__parse,
243 .scnprintf = call__scnprintf,
Arnaldo Carvalho de Melod86b0592012-04-18 16:07:38 -0300244};
245
246bool ins__is_call(const struct ins *ins)
247{
248 return ins->ops == &call_ops;
249}
250
Arnaldo Carvalho de Melo786c1b52016-11-16 15:39:50 -0300251static int jump__parse(struct arch *arch __maybe_unused, struct ins_operands *ops, struct map *map __maybe_unused)
Arnaldo Carvalho de Melo4f9d0322012-04-18 13:58:34 -0300252{
Arnaldo Carvalho de Meloc7e6ead2012-04-20 14:38:46 -0300253 const char *s = strchr(ops->raw, '+');
Ravi Bangoria3ee2eb62016-12-05 21:26:46 +0530254 const char *c = strchr(ops->raw, ',');
Arnaldo Carvalho de Melo4f9d0322012-04-18 13:58:34 -0300255
Kim Phillipsb13bbee2017-06-01 09:29:59 -0500256 /*
257 * skip over possible up to 2 operands to get to address, e.g.:
258 * tbnz w0, #26, ffff0000083cd190 <security_file_permission+0xd0>
259 */
260 if (c++ != NULL) {
Ravi Bangoria3ee2eb62016-12-05 21:26:46 +0530261 ops->target.addr = strtoull(c, NULL, 16);
Kim Phillipsb13bbee2017-06-01 09:29:59 -0500262 if (!ops->target.addr) {
263 c = strchr(c, ',');
264 if (c++ != NULL)
265 ops->target.addr = strtoull(c, NULL, 16);
266 }
267 } else {
Ravi Bangoria3ee2eb62016-12-05 21:26:46 +0530268 ops->target.addr = strtoull(ops->raw, NULL, 16);
Kim Phillipsb13bbee2017-06-01 09:29:59 -0500269 }
Arnaldo Carvalho de Melo4f9d0322012-04-18 13:58:34 -0300270
Ravi Bangoriae2168742016-12-05 21:26:47 +0530271 if (s++ != NULL) {
Adrian Hunterbbb7f842013-08-07 14:38:54 +0300272 ops->target.offset = strtoull(s, NULL, 16);
Ravi Bangoriae2168742016-12-05 21:26:47 +0530273 ops->target.offset_avail = true;
274 } else {
275 ops->target.offset_avail = false;
276 }
Arnaldo Carvalho de Melofb29fa52012-04-25 14:16:03 -0300277
Arnaldo Carvalho de Melo4f9d0322012-04-18 13:58:34 -0300278 return 0;
279}
280
Arnaldo Carvalho de Meloc7e6ead2012-04-20 14:38:46 -0300281static int jump__scnprintf(struct ins *ins, char *bf, size_t size,
Arnaldo Carvalho de Melo54170722012-05-07 18:54:16 -0300282 struct ins_operands *ops)
Arnaldo Carvalho de Melo28548d72012-04-19 10:16:27 -0300283{
Kim Phillipsb13bbee2017-06-01 09:29:59 -0500284 const char *c = strchr(ops->raw, ',');
285
Ravi Bangoriae2168742016-12-05 21:26:47 +0530286 if (!ops->target.addr || ops->target.offset < 0)
Ravi Bangoriabec60e52016-12-05 21:26:45 +0530287 return ins__raw_scnprintf(ins, bf, size, ops);
288
Kim Phillipsb13bbee2017-06-01 09:29:59 -0500289 if (c != NULL) {
290 const char *c2 = strchr(c + 1, ',');
291
292 /* check for 3-op insn */
293 if (c2 != NULL)
294 c = c2;
295 c++;
296
297 /* mirror arch objdump's space-after-comma style */
298 if (*c == ' ')
299 c++;
300 }
301
302 return scnprintf(bf, size, "%-6.6s %.*s%" PRIx64,
303 ins->name, c ? c - ops->raw : 0, ops->raw,
304 ops->target.offset);
Arnaldo Carvalho de Melo28548d72012-04-19 10:16:27 -0300305}
306
Arnaldo Carvalho de Melo4f9d0322012-04-18 13:58:34 -0300307static struct ins_ops jump_ops = {
Arnaldo Carvalho de Meloc7e6ead2012-04-20 14:38:46 -0300308 .parse = jump__parse,
309 .scnprintf = jump__scnprintf,
Arnaldo Carvalho de Melo4f9d0322012-04-18 13:58:34 -0300310};
311
312bool ins__is_jump(const struct ins *ins)
313{
314 return ins->ops == &jump_ops;
315}
316
Arnaldo Carvalho de Melo6de783b2012-05-11 16:48:49 -0300317static int comment__symbol(char *raw, char *comment, u64 *addrp, char **namep)
318{
319 char *endptr, *name, *t;
320
321 if (strstr(raw, "(%rip)") == NULL)
322 return 0;
323
324 *addrp = strtoull(comment, &endptr, 16);
325 name = strchr(endptr, '<');
326 if (name == NULL)
327 return -1;
328
329 name++;
330
331 t = strchr(name, '>');
332 if (t == NULL)
333 return 0;
334
335 *t = '\0';
336 *namep = strdup(name);
337 *t = '>';
338
339 return 0;
340}
341
Arnaldo Carvalho de Melo786c1b52016-11-16 15:39:50 -0300342static int lock__parse(struct arch *arch, struct ins_operands *ops, struct map *map)
Arnaldo Carvalho de Melo7a997fe2012-05-12 13:15:34 -0300343{
Arnaldo Carvalho de Melo7a997fe2012-05-12 13:15:34 -0300344 ops->locked.ops = zalloc(sizeof(*ops->locked.ops));
345 if (ops->locked.ops == NULL)
346 return 0;
347
Arnaldo Carvalho de Melo75b49202016-11-24 11:16:06 -0300348 if (disasm_line__parse(ops->raw, &ops->locked.ins.name, &ops->locked.ops->raw) < 0)
Arnaldo Carvalho de Melo7a997fe2012-05-12 13:15:34 -0300349 goto out_free_ops;
350
Arnaldo Carvalho de Melo75b49202016-11-24 11:16:06 -0300351 ops->locked.ins.ops = ins__find(arch, ops->locked.ins.name);
Rabin Vincent0fb9f2a2015-01-18 20:00:21 +0100352
Arnaldo Carvalho de Melo75b49202016-11-24 11:16:06 -0300353 if (ops->locked.ins.ops == NULL)
Namhyung Kim2ba34aa2012-11-10 02:27:13 +0900354 goto out_free_ops;
Arnaldo Carvalho de Melo7a997fe2012-05-12 13:15:34 -0300355
Arnaldo Carvalho de Melo75b49202016-11-24 11:16:06 -0300356 if (ops->locked.ins.ops->parse &&
357 ops->locked.ins.ops->parse(arch, ops->locked.ops, map) < 0)
Rabin Vincentbe819082015-01-18 20:00:20 +0100358 goto out_free_ops;
Arnaldo Carvalho de Melo7a997fe2012-05-12 13:15:34 -0300359
360 return 0;
361
362out_free_ops:
Arnaldo Carvalho de Melo04662522013-12-26 17:41:15 -0300363 zfree(&ops->locked.ops);
Arnaldo Carvalho de Melo7a997fe2012-05-12 13:15:34 -0300364 return 0;
365}
366
367static int lock__scnprintf(struct ins *ins, char *bf, size_t size,
368 struct ins_operands *ops)
369{
370 int printed;
371
Arnaldo Carvalho de Melo75b49202016-11-24 11:16:06 -0300372 if (ops->locked.ins.ops == NULL)
Arnaldo Carvalho de Melo7a997fe2012-05-12 13:15:34 -0300373 return ins__raw_scnprintf(ins, bf, size, ops);
374
375 printed = scnprintf(bf, size, "%-6.6s ", ins->name);
Arnaldo Carvalho de Melo75b49202016-11-24 11:16:06 -0300376 return printed + ins__scnprintf(&ops->locked.ins, bf + printed,
Arnaldo Carvalho de Melo7a997fe2012-05-12 13:15:34 -0300377 size - printed, ops->locked.ops);
378}
379
Arnaldo Carvalho de Meloc46219ac2012-05-12 13:26:20 -0300380static void lock__delete(struct ins_operands *ops)
381{
Arnaldo Carvalho de Melo75b49202016-11-24 11:16:06 -0300382 struct ins *ins = &ops->locked.ins;
Rabin Vincent0fb9f2a2015-01-18 20:00:21 +0100383
Arnaldo Carvalho de Melo75b49202016-11-24 11:16:06 -0300384 if (ins->ops && ins->ops->free)
Rabin Vincent0fb9f2a2015-01-18 20:00:21 +0100385 ins->ops->free(ops->locked.ops);
386 else
387 ins__delete(ops->locked.ops);
388
Arnaldo Carvalho de Melo74cf2492013-12-27 16:55:14 -0300389 zfree(&ops->locked.ops);
390 zfree(&ops->target.raw);
391 zfree(&ops->target.name);
Arnaldo Carvalho de Meloc46219ac2012-05-12 13:26:20 -0300392}
393
Arnaldo Carvalho de Melo7a997fe2012-05-12 13:15:34 -0300394static struct ins_ops lock_ops = {
Arnaldo Carvalho de Meloc46219ac2012-05-12 13:26:20 -0300395 .free = lock__delete,
Arnaldo Carvalho de Melo7a997fe2012-05-12 13:15:34 -0300396 .parse = lock__parse,
397 .scnprintf = lock__scnprintf,
398};
399
Arnaldo Carvalho de Melo786c1b52016-11-16 15:39:50 -0300400static int mov__parse(struct arch *arch, struct ins_operands *ops, struct map *map __maybe_unused)
Arnaldo Carvalho de Melo6de783b2012-05-11 16:48:49 -0300401{
402 char *s = strchr(ops->raw, ','), *target, *comment, prev;
403
404 if (s == NULL)
405 return -1;
406
407 *s = '\0';
408 ops->source.raw = strdup(ops->raw);
409 *s = ',';
Arnaldo Carvalho de Melo48000a12014-12-17 17:24:45 -0300410
Arnaldo Carvalho de Melo6de783b2012-05-11 16:48:49 -0300411 if (ops->source.raw == NULL)
412 return -1;
413
414 target = ++s;
Arnaldo Carvalho de Melo786c1b52016-11-16 15:39:50 -0300415 comment = strchr(s, arch->objdump.comment_char);
Arnaldo Carvalho de Melo6de783b2012-05-11 16:48:49 -0300416
Alex Converse1e2bb042014-08-14 14:03:00 -0700417 if (comment != NULL)
418 s = comment - 1;
419 else
420 s = strchr(s, '\0') - 1;
421
422 while (s > target && isspace(s[0]))
423 --s;
424 s++;
Arnaldo Carvalho de Melo6de783b2012-05-11 16:48:49 -0300425 prev = *s;
426 *s = '\0';
427
428 ops->target.raw = strdup(target);
429 *s = prev;
430
431 if (ops->target.raw == NULL)
432 goto out_free_source;
433
Arnaldo Carvalho de Melo6de783b2012-05-11 16:48:49 -0300434 if (comment == NULL)
435 return 0;
436
Taeung Song4597cf02017-04-08 09:52:24 +0900437 comment = ltrim(comment);
Arnaldo Carvalho de Melo6de783b2012-05-11 16:48:49 -0300438 comment__symbol(ops->source.raw, comment, &ops->source.addr, &ops->source.name);
439 comment__symbol(ops->target.raw, comment, &ops->target.addr, &ops->target.name);
440
441 return 0;
442
443out_free_source:
Arnaldo Carvalho de Melo04662522013-12-26 17:41:15 -0300444 zfree(&ops->source.raw);
Arnaldo Carvalho de Melo6de783b2012-05-11 16:48:49 -0300445 return -1;
446}
447
448static int mov__scnprintf(struct ins *ins, char *bf, size_t size,
449 struct ins_operands *ops)
450{
451 return scnprintf(bf, size, "%-6.6s %s,%s", ins->name,
452 ops->source.name ?: ops->source.raw,
453 ops->target.name ?: ops->target.raw);
454}
455
456static struct ins_ops mov_ops = {
457 .parse = mov__parse,
458 .scnprintf = mov__scnprintf,
459};
460
Arnaldo Carvalho de Melo786c1b52016-11-16 15:39:50 -0300461static int dec__parse(struct arch *arch __maybe_unused, struct ins_operands *ops, struct map *map __maybe_unused)
Arnaldo Carvalho de Meloa43712c2012-05-11 17:21:09 -0300462{
463 char *target, *comment, *s, prev;
464
465 target = s = ops->raw;
466
467 while (s[0] != '\0' && !isspace(s[0]))
468 ++s;
469 prev = *s;
470 *s = '\0';
471
472 ops->target.raw = strdup(target);
473 *s = prev;
474
475 if (ops->target.raw == NULL)
476 return -1;
477
Kim Phillips859afa62016-11-30 09:23:33 -0600478 comment = strchr(s, arch->objdump.comment_char);
Arnaldo Carvalho de Meloa43712c2012-05-11 17:21:09 -0300479 if (comment == NULL)
480 return 0;
481
Taeung Song4597cf02017-04-08 09:52:24 +0900482 comment = ltrim(comment);
Arnaldo Carvalho de Meloa43712c2012-05-11 17:21:09 -0300483 comment__symbol(ops->target.raw, comment, &ops->target.addr, &ops->target.name);
484
485 return 0;
486}
487
488static int dec__scnprintf(struct ins *ins, char *bf, size_t size,
489 struct ins_operands *ops)
490{
491 return scnprintf(bf, size, "%-6.6s %s", ins->name,
492 ops->target.name ?: ops->target.raw);
493}
494
495static struct ins_ops dec_ops = {
496 .parse = dec__parse,
497 .scnprintf = dec__scnprintf,
498};
499
Irina Tirdea1d037ca2012-09-11 01:15:03 +0300500static int nop__scnprintf(struct ins *ins __maybe_unused, char *bf, size_t size,
501 struct ins_operands *ops __maybe_unused)
Arnaldo Carvalho de Melob9818e92012-05-07 18:57:02 -0300502{
503 return scnprintf(bf, size, "%-6.6s", "nop");
504}
505
506static struct ins_ops nop_ops = {
507 .scnprintf = nop__scnprintf,
508};
509
Naveen N. Rao6ef94922016-06-24 17:23:58 +0530510static struct ins_ops ret_ops = {
511 .scnprintf = ins__raw_scnprintf,
512};
513
514bool ins__is_ret(const struct ins *ins)
515{
516 return ins->ops == &ret_ops;
517}
518
Jin Yao7e63a132017-07-07 13:06:35 +0800519bool ins__is_lock(const struct ins *ins)
520{
521 return ins->ops == &lock_ops;
522}
523
Chris Ryder7e4c1492016-05-19 17:59:46 +0100524static int ins__key_cmp(const void *name, const void *insp)
Arnaldo Carvalho de Melo4f9d0322012-04-18 13:58:34 -0300525{
526 const struct ins *ins = insp;
527
528 return strcmp(name, ins->name);
529}
530
Chris Ryder7e4c1492016-05-19 17:59:46 +0100531static int ins__cmp(const void *a, const void *b)
532{
533 const struct ins *ia = a;
534 const struct ins *ib = b;
535
536 return strcmp(ia->name, ib->name);
537}
538
Arnaldo Carvalho de Melo763d8962016-11-17 12:31:51 -0300539static void ins__sort(struct arch *arch)
Arnaldo Carvalho de Melo4f9d0322012-04-18 13:58:34 -0300540{
Arnaldo Carvalho de Melo763d8962016-11-17 12:31:51 -0300541 const int nmemb = arch->nr_instructions;
Arnaldo Carvalho de Melo4f9d0322012-04-18 13:58:34 -0300542
Arnaldo Carvalho de Melo763d8962016-11-17 12:31:51 -0300543 qsort(arch->instructions, nmemb, sizeof(struct ins), ins__cmp);
Chris Ryder7e4c1492016-05-19 17:59:46 +0100544}
545
Arnaldo Carvalho de Melo2a1ff812016-11-24 11:37:08 -0300546static struct ins_ops *__ins__find(struct arch *arch, const char *name)
Chris Ryder7e4c1492016-05-19 17:59:46 +0100547{
Arnaldo Carvalho de Melo75b49202016-11-24 11:16:06 -0300548 struct ins *ins;
Arnaldo Carvalho de Melo763d8962016-11-17 12:31:51 -0300549 const int nmemb = arch->nr_instructions;
Chris Ryder7e4c1492016-05-19 17:59:46 +0100550
Arnaldo Carvalho de Melo763d8962016-11-17 12:31:51 -0300551 if (!arch->sorted_instructions) {
552 ins__sort(arch);
553 arch->sorted_instructions = true;
Chris Ryder7e4c1492016-05-19 17:59:46 +0100554 }
555
Arnaldo Carvalho de Melo75b49202016-11-24 11:16:06 -0300556 ins = bsearch(name, arch->instructions, nmemb, sizeof(struct ins), ins__key_cmp);
557 return ins ? ins->ops : NULL;
Arnaldo Carvalho de Melo4f9d0322012-04-18 13:58:34 -0300558}
559
Arnaldo Carvalho de Melo2a1ff812016-11-24 11:37:08 -0300560static struct ins_ops *ins__find(struct arch *arch, const char *name)
561{
562 struct ins_ops *ops = __ins__find(arch, name);
563
564 if (!ops && arch->associate_instruction_ops)
565 ops = arch->associate_instruction_ops(arch, name);
566
567 return ops;
568}
569
Arnaldo Carvalho de Melo786c1b52016-11-16 15:39:50 -0300570static int arch__key_cmp(const void *name, const void *archp)
571{
572 const struct arch *arch = archp;
573
574 return strcmp(name, arch->name);
575}
576
577static int arch__cmp(const void *a, const void *b)
578{
579 const struct arch *aa = a;
580 const struct arch *ab = b;
581
582 return strcmp(aa->name, ab->name);
583}
584
585static void arch__sort(void)
586{
587 const int nmemb = ARRAY_SIZE(architectures);
588
589 qsort(architectures, nmemb, sizeof(struct arch), arch__cmp);
590}
591
592static struct arch *arch__find(const char *name)
593{
594 const int nmemb = ARRAY_SIZE(architectures);
595 static bool sorted;
596
597 if (!sorted) {
598 arch__sort();
599 sorted = true;
600 }
601
602 return bsearch(name, architectures, nmemb, sizeof(struct arch), arch__key_cmp);
603}
604
Arnaldo Carvalho de Melod04b35f2011-11-11 22:17:32 -0200605int symbol__alloc_hist(struct symbol *sym)
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -0200606{
607 struct annotation *notes = symbol__annotation(sym);
Ravi Bangoria331c7cb2017-10-24 19:50:06 +0530608 size_t size = symbol__size(sym);
Cody Schafer86963292012-07-19 20:05:25 -0700609 size_t sizeof_sym_hist;
610
Ravi Bangoria331c7cb2017-10-24 19:50:06 +0530611 /*
612 * Add buffer of one element for zero length symbol.
613 * When sample is taken from first instruction of
614 * zero length symbol, perf still resolves it and
615 * shows symbol name in perf report and allows to
616 * annotate it.
617 */
618 if (size == 0)
619 size = 1;
620
Cody Schafer86963292012-07-19 20:05:25 -0700621 /* Check for overflow when calculating sizeof_sym_hist */
Taeung Song896bccd2017-07-20 06:36:45 +0900622 if (size > (SIZE_MAX - sizeof(struct sym_hist)) / sizeof(struct sym_hist_entry))
Cody Schafer86963292012-07-19 20:05:25 -0700623 return -1;
624
Taeung Song896bccd2017-07-20 06:36:45 +0900625 sizeof_sym_hist = (sizeof(struct sym_hist) + size * sizeof(struct sym_hist_entry));
Cody Schafer86963292012-07-19 20:05:25 -0700626
627 /* Check for overflow in zalloc argument */
628 if (sizeof_sym_hist > (SIZE_MAX - sizeof(*notes->src))
629 / symbol_conf.nr_events)
630 return -1;
Arnaldo Carvalho de Meloce6f4fa2011-02-08 13:27:39 -0200631
Arnaldo Carvalho de Melod04b35f2011-11-11 22:17:32 -0200632 notes->src = zalloc(sizeof(*notes->src) + symbol_conf.nr_events * sizeof_sym_hist);
Arnaldo Carvalho de Meloce6f4fa2011-02-08 13:27:39 -0200633 if (notes->src == NULL)
634 return -1;
635 notes->src->sizeof_sym_hist = sizeof_sym_hist;
Arnaldo Carvalho de Melod04b35f2011-11-11 22:17:32 -0200636 notes->src->nr_histograms = symbol_conf.nr_events;
Arnaldo Carvalho de Meloce6f4fa2011-02-08 13:27:39 -0200637 INIT_LIST_HEAD(&notes->src->source);
638 return 0;
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -0200639}
640
Andi Kleend4957632015-07-18 08:24:48 -0700641/* The cycles histogram is lazily allocated. */
642static int symbol__alloc_hist_cycles(struct symbol *sym)
643{
644 struct annotation *notes = symbol__annotation(sym);
645 const size_t size = symbol__size(sym);
646
647 notes->src->cycles_hist = calloc(size, sizeof(struct cyc_hist));
648 if (notes->src->cycles_hist == NULL)
649 return -1;
650 return 0;
651}
652
Arnaldo Carvalho de Melo36532462011-02-06 14:54:44 -0200653void symbol__annotate_zero_histograms(struct symbol *sym)
654{
655 struct annotation *notes = symbol__annotation(sym);
656
Arnaldo Carvalho de Meloce6f4fa2011-02-08 13:27:39 -0200657 pthread_mutex_lock(&notes->lock);
Andi Kleend4957632015-07-18 08:24:48 -0700658 if (notes->src != NULL) {
Arnaldo Carvalho de Meloce6f4fa2011-02-08 13:27:39 -0200659 memset(notes->src->histograms, 0,
660 notes->src->nr_histograms * notes->src->sizeof_sym_hist);
Andi Kleend4957632015-07-18 08:24:48 -0700661 if (notes->src->cycles_hist)
662 memset(notes->src->cycles_hist, 0,
663 symbol__size(sym) * sizeof(struct cyc_hist));
664 }
Arnaldo Carvalho de Meloce6f4fa2011-02-08 13:27:39 -0200665 pthread_mutex_unlock(&notes->lock);
Arnaldo Carvalho de Melo36532462011-02-06 14:54:44 -0200666}
667
Andi Kleend4957632015-07-18 08:24:48 -0700668static int __symbol__account_cycles(struct annotation *notes,
669 u64 start,
670 unsigned offset, unsigned cycles,
671 unsigned have_start)
672{
673 struct cyc_hist *ch;
674
675 ch = notes->src->cycles_hist;
676 /*
677 * For now we can only account one basic block per
678 * final jump. But multiple could be overlapping.
679 * Always account the longest one. So when
680 * a shorter one has been already seen throw it away.
681 *
682 * We separately always account the full cycles.
683 */
684 ch[offset].num_aggr++;
685 ch[offset].cycles_aggr += cycles;
686
687 if (!have_start && ch[offset].have_start)
688 return 0;
689 if (ch[offset].num) {
690 if (have_start && (!ch[offset].have_start ||
691 ch[offset].start > start)) {
692 ch[offset].have_start = 0;
693 ch[offset].cycles = 0;
694 ch[offset].num = 0;
695 if (ch[offset].reset < 0xffff)
696 ch[offset].reset++;
697 } else if (have_start &&
698 ch[offset].start < start)
699 return 0;
700 }
701 ch[offset].have_start = have_start;
702 ch[offset].start = start;
703 ch[offset].cycles += cycles;
704 ch[offset].num++;
705 return 0;
706}
707
Arnaldo Carvalho de Melob66d8c02013-12-18 15:37:41 -0300708static int __symbol__inc_addr_samples(struct symbol *sym, struct map *map,
Taeung Songbab89f62017-07-20 16:28:53 -0300709 struct annotation *notes, int evidx, u64 addr,
Taeung Song461c17f2017-07-20 17:18:05 -0300710 struct perf_sample *sample)
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -0200711{
Arnaldo Carvalho de Melo2f525d02011-02-04 13:43:24 -0200712 unsigned offset;
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -0200713 struct sym_hist *h;
714
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -0200715 pr_debug3("%s: addr=%#" PRIx64 "\n", __func__, map->unmap_ip(map, addr));
716
Ravi Bangoriaedee44b2016-11-22 14:10:50 +0530717 if ((addr < sym->start || addr >= sym->end) &&
718 (addr != sym->end || sym->start != sym->end)) {
Arnaldo Carvalho de Meloe3d006c2015-10-21 15:45:13 -0300719 pr_debug("%s(%d): ERANGE! sym->name=%s, start=%#" PRIx64 ", addr=%#" PRIx64 ", end=%#" PRIx64 "\n",
720 __func__, __LINE__, sym->name, sym->start, addr, sym->end);
Arnaldo Carvalho de Melo31d68e72012-03-27 12:55:57 -0300721 return -ERANGE;
Arnaldo Carvalho de Meloe3d006c2015-10-21 15:45:13 -0300722 }
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -0200723
Arnaldo Carvalho de Melo2f525d02011-02-04 13:43:24 -0200724 offset = addr - sym->start;
725 h = annotation__histogram(notes, evidx);
Taeung Song8158683d2017-07-20 06:36:51 +0900726 h->nr_samples++;
Taeung Song896bccd2017-07-20 06:36:45 +0900727 h->addr[offset].nr_samples++;
Taeung Song461c17f2017-07-20 17:18:05 -0300728 h->period += sample->period;
729 h->addr[offset].period += sample->period;
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -0200730
731 pr_debug3("%#" PRIx64 " %s: period++ [addr: %#" PRIx64 ", %#" PRIx64
Taeung Song461c17f2017-07-20 17:18:05 -0300732 ", evidx=%d] => nr_samples: %" PRIu64 ", period: %" PRIu64 "\n",
733 sym->start, sym->name, addr, addr - sym->start, evidx,
734 h->addr[offset].nr_samples, h->addr[offset].period);
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -0200735 return 0;
736}
737
Andi Kleend4957632015-07-18 08:24:48 -0700738static struct annotation *symbol__get_annotation(struct symbol *sym, bool cycles)
Andi Kleen83be34a2015-05-27 10:51:46 -0700739{
740 struct annotation *notes = symbol__annotation(sym);
741
742 if (notes->src == NULL) {
743 if (symbol__alloc_hist(sym) < 0)
744 return NULL;
745 }
Andi Kleend4957632015-07-18 08:24:48 -0700746 if (!notes->src->cycles_hist && cycles) {
747 if (symbol__alloc_hist_cycles(sym) < 0)
748 return NULL;
749 }
Andi Kleen83be34a2015-05-27 10:51:46 -0700750 return notes;
751}
752
Arnaldo Carvalho de Melo44e83032013-12-18 17:12:24 -0300753static int symbol__inc_addr_samples(struct symbol *sym, struct map *map,
Taeung Songbab89f62017-07-20 16:28:53 -0300754 int evidx, u64 addr,
755 struct perf_sample *sample)
Arnaldo Carvalho de Melob66d8c02013-12-18 15:37:41 -0300756{
757 struct annotation *notes;
758
Namhyung Kim48c65bd2014-02-20 10:32:53 +0900759 if (sym == NULL)
Arnaldo Carvalho de Melob66d8c02013-12-18 15:37:41 -0300760 return 0;
Andi Kleend4957632015-07-18 08:24:48 -0700761 notes = symbol__get_annotation(sym, false);
Andi Kleen83be34a2015-05-27 10:51:46 -0700762 if (notes == NULL)
763 return -ENOMEM;
Taeung Songbab89f62017-07-20 16:28:53 -0300764 return __symbol__inc_addr_samples(sym, map, notes, evidx, addr, sample);
Arnaldo Carvalho de Melob66d8c02013-12-18 15:37:41 -0300765}
766
Andi Kleend4957632015-07-18 08:24:48 -0700767static int symbol__account_cycles(u64 addr, u64 start,
768 struct symbol *sym, unsigned cycles)
769{
770 struct annotation *notes;
771 unsigned offset;
772
773 if (sym == NULL)
774 return 0;
775 notes = symbol__get_annotation(sym, true);
776 if (notes == NULL)
777 return -ENOMEM;
778 if (addr < sym->start || addr >= sym->end)
779 return -ERANGE;
780
781 if (start) {
782 if (start < sym->start || start >= sym->end)
783 return -ERANGE;
784 if (start >= addr)
785 start = 0;
786 }
787 offset = addr - sym->start;
788 return __symbol__account_cycles(notes,
789 start ? start - sym->start : 0,
790 offset, cycles,
791 !!start);
792}
793
794int addr_map_symbol__account_cycles(struct addr_map_symbol *ams,
795 struct addr_map_symbol *start,
796 unsigned cycles)
797{
Adrian Hunter3d7245b2015-08-14 10:11:34 +0300798 u64 saddr = 0;
Andi Kleend4957632015-07-18 08:24:48 -0700799 int err;
800
801 if (!cycles)
802 return 0;
803
804 /*
805 * Only set start when IPC can be computed. We can only
806 * compute it when the basic block is completely in a single
807 * function.
808 * Special case the case when the jump is elsewhere, but
809 * it starts on the function start.
810 */
811 if (start &&
812 (start->sym == ams->sym ||
813 (ams->sym &&
814 start->addr == ams->sym->start + ams->map->start)))
815 saddr = start->al_addr;
816 if (saddr == 0)
Adrian Hunter3d7245b2015-08-14 10:11:34 +0300817 pr_debug2("BB with bad start: addr %"PRIx64" start %"PRIx64" sym %"PRIx64" saddr %"PRIx64"\n",
Andi Kleend4957632015-07-18 08:24:48 -0700818 ams->addr,
819 start ? start->addr : 0,
820 ams->sym ? ams->sym->start + ams->map->start : 0,
821 saddr);
822 err = symbol__account_cycles(ams->al_addr, saddr, ams->sym, cycles);
823 if (err)
824 pr_debug2("account_cycles failed %d\n", err);
825 return err;
826}
827
Taeung Songbab89f62017-07-20 16:28:53 -0300828int addr_map_symbol__inc_samples(struct addr_map_symbol *ams, struct perf_sample *sample,
829 int evidx)
Arnaldo Carvalho de Melo0f4e7a22013-12-18 16:48:29 -0300830{
Taeung Songbab89f62017-07-20 16:28:53 -0300831 return symbol__inc_addr_samples(ams->sym, ams->map, evidx, ams->al_addr, sample);
Arnaldo Carvalho de Melo0f4e7a22013-12-18 16:48:29 -0300832}
833
Taeung Songbab89f62017-07-20 16:28:53 -0300834int hist_entry__inc_addr_samples(struct hist_entry *he, struct perf_sample *sample,
835 int evidx, u64 ip)
Arnaldo Carvalho de Melof626adf2013-12-18 17:10:15 -0300836{
Taeung Songbab89f62017-07-20 16:28:53 -0300837 return symbol__inc_addr_samples(he->ms.sym, he->ms.map, evidx, ip, sample);
Arnaldo Carvalho de Melof626adf2013-12-18 17:10:15 -0300838}
839
Arnaldo Carvalho de Melo786c1b52016-11-16 15:39:50 -0300840static void disasm_line__init_ins(struct disasm_line *dl, struct arch *arch, struct map *map)
Arnaldo Carvalho de Melo4f9d0322012-04-18 13:58:34 -0300841{
Arnaldo Carvalho de Melo75b49202016-11-24 11:16:06 -0300842 dl->ins.ops = ins__find(arch, dl->ins.name);
Arnaldo Carvalho de Melo4f9d0322012-04-18 13:58:34 -0300843
Arnaldo Carvalho de Melo75b49202016-11-24 11:16:06 -0300844 if (!dl->ins.ops)
Arnaldo Carvalho de Melo4f9d0322012-04-18 13:58:34 -0300845 return;
846
Arnaldo Carvalho de Melo75b49202016-11-24 11:16:06 -0300847 if (dl->ins.ops->parse && dl->ins.ops->parse(arch, &dl->ops, map) < 0)
848 dl->ins.ops = NULL;
Arnaldo Carvalho de Melo4f9d0322012-04-18 13:58:34 -0300849}
850
Arnaldo Carvalho de Melo75b49202016-11-24 11:16:06 -0300851static int disasm_line__parse(char *line, const char **namep, char **rawp)
Arnaldo Carvalho de Melo7a997fe2012-05-12 13:15:34 -0300852{
Taeung Song4597cf02017-04-08 09:52:24 +0900853 char tmp, *name = ltrim(line);
Arnaldo Carvalho de Melo7a997fe2012-05-12 13:15:34 -0300854
855 if (name[0] == '\0')
856 return -1;
857
858 *rawp = name + 1;
859
860 while ((*rawp)[0] != '\0' && !isspace((*rawp)[0]))
861 ++*rawp;
862
863 tmp = (*rawp)[0];
864 (*rawp)[0] = '\0';
865 *namep = strdup(name);
866
867 if (*namep == NULL)
868 goto out_free_name;
869
870 (*rawp)[0] = tmp;
Taeung Song4597cf02017-04-08 09:52:24 +0900871 *rawp = ltrim(*rawp);
Arnaldo Carvalho de Melo7a997fe2012-05-12 13:15:34 -0300872
873 return 0;
874
875out_free_name:
Arnaldo Carvalho de Melo75b49202016-11-24 11:16:06 -0300876 free((void *)namep);
877 *namep = NULL;
Arnaldo Carvalho de Melo7a997fe2012-05-12 13:15:34 -0300878 return -1;
879}
880
Jiri Olsaea07c5a2017-10-11 17:01:29 +0200881struct annotate_args {
882 size_t privsize;
Jiri Olsa24fe7b82017-10-11 17:01:30 +0200883 struct arch *arch;
Jiri Olsa1a04db72017-10-11 17:01:31 +0200884 struct map *map;
Jiri Olsad03a6862017-10-11 17:01:33 +0200885 struct perf_evsel *evsel;
Jiri Olsa47488342017-10-11 17:01:32 +0200886 s64 offset;
887 char *line;
888 int line_nr;
Jiri Olsaea07c5a2017-10-11 17:01:29 +0200889};
890
Jiri Olsa47488342017-10-11 17:01:32 +0200891static struct disasm_line *disasm_line__new(struct annotate_args *args)
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -0200892{
Jiri Olsaea07c5a2017-10-11 17:01:29 +0200893 struct disasm_line *dl = zalloc(sizeof(*dl) + args->privsize);
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -0200894
Arnaldo Carvalho de Melo29ed6e72012-04-15 15:24:39 -0300895 if (dl != NULL) {
Jiri Olsa47488342017-10-11 17:01:32 +0200896 dl->al.offset = args->offset;
897 dl->al.line = strdup(args->line);
898 dl->al.line_nr = args->line_nr;
Jiri Olsad5490b92017-10-11 17:01:26 +0200899
900 if (dl->al.line == NULL)
Arnaldo Carvalho de Melo058b4cc2012-04-02 12:59:01 -0300901 goto out_delete;
Arnaldo Carvalho de Melo51454182012-04-15 15:52:18 -0300902
Jiri Olsa47488342017-10-11 17:01:32 +0200903 if (args->offset != -1) {
Jiri Olsad5490b92017-10-11 17:01:26 +0200904 if (disasm_line__parse(dl->al.line, &dl->ins.name, &dl->ops.raw) < 0)
Arnaldo Carvalho de Melo51454182012-04-15 15:52:18 -0300905 goto out_free_line;
906
Jiri Olsa1a04db72017-10-11 17:01:31 +0200907 disasm_line__init_ins(dl, args->arch, args->map);
Arnaldo Carvalho de Melo51454182012-04-15 15:52:18 -0300908 }
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -0200909 }
910
Arnaldo Carvalho de Melo29ed6e72012-04-15 15:24:39 -0300911 return dl;
Arnaldo Carvalho de Melo51454182012-04-15 15:52:18 -0300912
913out_free_line:
Jiri Olsad5490b92017-10-11 17:01:26 +0200914 zfree(&dl->al.line);
Arnaldo Carvalho de Melo058b4cc2012-04-02 12:59:01 -0300915out_delete:
Arnaldo Carvalho de Melo29ed6e72012-04-15 15:24:39 -0300916 free(dl);
Arnaldo Carvalho de Melo058b4cc2012-04-02 12:59:01 -0300917 return NULL;
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -0200918}
919
Arnaldo Carvalho de Melo29ed6e72012-04-15 15:24:39 -0300920void disasm_line__free(struct disasm_line *dl)
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -0200921{
Jiri Olsad5490b92017-10-11 17:01:26 +0200922 zfree(&dl->al.line);
Arnaldo Carvalho de Melo75b49202016-11-24 11:16:06 -0300923 if (dl->ins.ops && dl->ins.ops->free)
924 dl->ins.ops->free(&dl->ops);
Arnaldo Carvalho de Meloc46219ac2012-05-12 13:26:20 -0300925 else
926 ins__delete(&dl->ops);
Arnaldo Carvalho de Melo75b49202016-11-24 11:16:06 -0300927 free((void *)dl->ins.name);
928 dl->ins.name = NULL;
Arnaldo Carvalho de Melo29ed6e72012-04-15 15:24:39 -0300929 free(dl);
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -0200930}
931
Arnaldo Carvalho de Melo54170722012-05-07 18:54:16 -0300932int disasm_line__scnprintf(struct disasm_line *dl, char *bf, size_t size, bool raw)
933{
Arnaldo Carvalho de Melo75b49202016-11-24 11:16:06 -0300934 if (raw || !dl->ins.ops)
935 return scnprintf(bf, size, "%-6.6s %s", dl->ins.name, dl->ops.raw);
Arnaldo Carvalho de Melo54170722012-05-07 18:54:16 -0300936
Arnaldo Carvalho de Melo75b49202016-11-24 11:16:06 -0300937 return ins__scnprintf(&dl->ins, bf, size, &dl->ops);
Arnaldo Carvalho de Melo54170722012-05-07 18:54:16 -0300938}
939
Jiri Olsa82b9d7f2017-10-11 17:01:35 +0200940static void annotation_line__add(struct annotation_line *al, struct list_head *head)
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -0200941{
Jiri Olsa82b9d7f2017-10-11 17:01:35 +0200942 list_add_tail(&al->node, head);
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -0200943}
944
Jiri Olsac4c72432017-10-11 17:01:34 +0200945struct annotation_line *
946annotation_line__next(struct annotation_line *pos, struct list_head *head)
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -0200947{
Jiri Olsac4c72432017-10-11 17:01:34 +0200948 list_for_each_entry_continue(pos, head, node)
949 if (pos->offset >= 0)
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -0200950 return pos;
951
952 return NULL;
953}
954
Namhyung Kime64aa752013-03-05 14:53:30 +0900955double disasm__calc_percent(struct annotation *notes, int evidx, s64 offset,
Taeung Song896bccd2017-07-20 06:36:45 +0900956 s64 end, const char **path, struct sym_hist_entry *sample)
Namhyung Kime5ccf9f2013-03-05 14:53:23 +0900957{
958 struct source_line *src_line = notes->src->lines;
Namhyung Kime5ccf9f2013-03-05 14:53:23 +0900959 double percent = 0.0;
Taeung Song896bccd2017-07-20 06:36:45 +0900960
Taeung Song461c17f2017-07-20 17:18:05 -0300961 sample->nr_samples = sample->period = 0;
Namhyung Kime5ccf9f2013-03-05 14:53:23 +0900962
Namhyung Kimbd64fcb2013-03-05 14:53:24 +0900963 if (src_line) {
Namhyung Kim1491c222013-03-05 14:53:28 +0900964 size_t sizeof_src_line = sizeof(*src_line) +
Arnaldo Carvalho de Melo276af92f2015-06-19 16:36:12 -0300965 sizeof(src_line->samples) * (src_line->nr_pcnt - 1);
Namhyung Kime5ccf9f2013-03-05 14:53:23 +0900966
Namhyung Kim1491c222013-03-05 14:53:28 +0900967 while (offset < end) {
968 src_line = (void *)notes->src->lines +
969 (sizeof_src_line * offset);
970
971 if (*path == NULL)
972 *path = src_line->path;
973
Arnaldo Carvalho de Melo276af92f2015-06-19 16:36:12 -0300974 percent += src_line->samples[evidx].percent;
Taeung Song896bccd2017-07-20 06:36:45 +0900975 sample->nr_samples += src_line->samples[evidx].nr;
Namhyung Kim1491c222013-03-05 14:53:28 +0900976 offset++;
Namhyung Kimbd64fcb2013-03-05 14:53:24 +0900977 }
978 } else {
Namhyung Kim1491c222013-03-05 14:53:28 +0900979 struct sym_hist *h = annotation__histogram(notes, evidx);
980 unsigned int hits = 0;
Taeung Song461c17f2017-07-20 17:18:05 -0300981 u64 period = 0;
Namhyung Kim1491c222013-03-05 14:53:28 +0900982
Taeung Song461c17f2017-07-20 17:18:05 -0300983 while (offset < end) {
Arnaldo Carvalho de Melo48cc3302017-07-28 12:49:02 -0300984 hits += h->addr[offset].nr_samples;
985 period += h->addr[offset].period;
986 ++offset;
Taeung Song461c17f2017-07-20 17:18:05 -0300987 }
Namhyung Kimbd64fcb2013-03-05 14:53:24 +0900988
Taeung Song8158683d2017-07-20 06:36:51 +0900989 if (h->nr_samples) {
Taeung Song461c17f2017-07-20 17:18:05 -0300990 sample->period = period;
Taeung Song896bccd2017-07-20 06:36:45 +0900991 sample->nr_samples = hits;
Taeung Song8158683d2017-07-20 06:36:51 +0900992 percent = 100.0 * hits / h->nr_samples;
Martin Liška0c4a5bc2015-06-19 16:10:43 -0300993 }
Namhyung Kime5ccf9f2013-03-05 14:53:23 +0900994 }
995
Namhyung Kime5ccf9f2013-03-05 14:53:23 +0900996 return percent;
997}
998
Peter Zijlstra70fbe052016-09-05 16:08:12 -0300999static const char *annotate__address_color(struct block_range *br)
1000{
1001 double cov = block_range__coverage(br);
1002
1003 if (cov >= 0) {
1004 /* mark red for >75% coverage */
1005 if (cov > 0.75)
1006 return PERF_COLOR_RED;
1007
1008 /* mark dull for <1% coverage */
1009 if (cov < 0.01)
1010 return PERF_COLOR_NORMAL;
1011 }
1012
1013 return PERF_COLOR_MAGENTA;
1014}
1015
1016static const char *annotate__asm_color(struct block_range *br)
1017{
1018 double cov = block_range__coverage(br);
1019
1020 if (cov >= 0) {
1021 /* mark dull for <1% coverage */
1022 if (cov < 0.01)
1023 return PERF_COLOR_NORMAL;
1024 }
1025
1026 return PERF_COLOR_BLUE;
1027}
1028
1029static void annotate__branch_printf(struct block_range *br, u64 addr)
1030{
1031 bool emit_comment = true;
1032
1033 if (!br)
1034 return;
1035
1036#if 1
1037 if (br->is_target && br->start == addr) {
1038 struct block_range *branch = br;
1039 double p;
1040
1041 /*
1042 * Find matching branch to our target.
1043 */
1044 while (!branch->is_branch)
1045 branch = block_range__next(branch);
1046
1047 p = 100 *(double)br->entry / branch->coverage;
1048
1049 if (p > 0.1) {
1050 if (emit_comment) {
1051 emit_comment = false;
1052 printf("\t#");
1053 }
1054
1055 /*
1056 * The percentage of coverage joined at this target in relation
1057 * to the next branch.
1058 */
1059 printf(" +%.2f%%", p);
1060 }
1061 }
1062#endif
1063 if (br->is_branch && br->end == addr) {
1064 double p = 100*(double)br->taken / br->coverage;
1065
1066 if (p > 0.1) {
1067 if (emit_comment) {
1068 emit_comment = false;
1069 printf("\t#");
1070 }
1071
1072 /*
1073 * The percentage of coverage leaving at this branch, and
1074 * its prediction ratio.
1075 */
1076 printf(" -%.2f%% (p:%.2f%%)", p, 100*(double)br->pred / br->taken);
1077 }
1078 }
1079}
1080
1081
Arnaldo Carvalho de Melo29ed6e72012-04-15 15:24:39 -03001082static int disasm_line__print(struct disasm_line *dl, struct symbol *sym, u64 start,
Namhyung Kimdb8fd072013-03-05 14:53:21 +09001083 struct perf_evsel *evsel, u64 len, int min_pcnt, int printed,
Arnaldo Carvalho de Melo29ed6e72012-04-15 15:24:39 -03001084 int max_lines, struct disasm_line *queue)
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001085{
1086 static const char *prev_line;
1087 static const char *prev_color;
1088
Jiri Olsad5490b92017-10-11 17:01:26 +02001089 if (dl->al.offset != -1) {
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001090 const char *path = NULL;
Namhyung Kimb1dd4432013-03-05 14:53:25 +09001091 double percent, max_percent = 0.0;
1092 double *ppercents = &percent;
Taeung Song896bccd2017-07-20 06:36:45 +09001093 struct sym_hist_entry sample;
1094 struct sym_hist_entry *psamples = &sample;
Namhyung Kimb1dd4432013-03-05 14:53:25 +09001095 int i, nr_percent = 1;
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001096 const char *color;
1097 struct annotation *notes = symbol__annotation(sym);
Jiri Olsad5490b92017-10-11 17:01:26 +02001098 s64 offset = dl->al.offset;
Arnaldo Carvalho de Melo058b4cc2012-04-02 12:59:01 -03001099 const u64 addr = start + offset;
Jiri Olsac4c72432017-10-11 17:01:34 +02001100 struct annotation_line *next;
Peter Zijlstra70fbe052016-09-05 16:08:12 -03001101 struct block_range *br;
Arnaldo Carvalho de Meloce6f4fa2011-02-08 13:27:39 -02001102
Jiri Olsac4c72432017-10-11 17:01:34 +02001103 next = annotation_line__next(&dl->al, &notes->src->source);
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001104
Namhyung Kim759ff492013-03-05 14:53:26 +09001105 if (perf_evsel__is_group_event(evsel)) {
Namhyung Kimb1dd4432013-03-05 14:53:25 +09001106 nr_percent = evsel->nr_members;
1107 ppercents = calloc(nr_percent, sizeof(double));
Taeung Song896bccd2017-07-20 06:36:45 +09001108 psamples = calloc(nr_percent, sizeof(struct sym_hist_entry));
Martin Liška0c4a5bc2015-06-19 16:10:43 -03001109 if (ppercents == NULL || psamples == NULL) {
Namhyung Kimb1dd4432013-03-05 14:53:25 +09001110 return -1;
Martin Liška0c4a5bc2015-06-19 16:10:43 -03001111 }
Namhyung Kimb1dd4432013-03-05 14:53:25 +09001112 }
1113
1114 for (i = 0; i < nr_percent; i++) {
1115 percent = disasm__calc_percent(notes,
Namhyung Kim1491c222013-03-05 14:53:28 +09001116 notes->src->lines ? i : evsel->idx + i,
1117 offset,
Jiri Olsac4c72432017-10-11 17:01:34 +02001118 next ? next->offset : (s64) len,
Taeung Song896bccd2017-07-20 06:36:45 +09001119 &path, &sample);
Namhyung Kimb1dd4432013-03-05 14:53:25 +09001120
1121 ppercents[i] = percent;
Taeung Song896bccd2017-07-20 06:36:45 +09001122 psamples[i] = sample;
Namhyung Kimb1dd4432013-03-05 14:53:25 +09001123 if (percent > max_percent)
1124 max_percent = percent;
1125 }
1126
1127 if (max_percent < min_pcnt)
Arnaldo Carvalho de Melo36532462011-02-06 14:54:44 -02001128 return -1;
1129
Arnaldo Carvalho de Meloe3087b82011-02-08 15:01:39 -02001130 if (max_lines && printed >= max_lines)
Arnaldo Carvalho de Melo36532462011-02-06 14:54:44 -02001131 return 1;
Arnaldo Carvalho de Melod040bd32011-02-05 15:37:31 -02001132
Arnaldo Carvalho de Melod5e3d742011-02-08 15:29:25 -02001133 if (queue != NULL) {
Jiri Olsaa17c4ca2017-10-11 17:01:25 +02001134 list_for_each_entry_from(queue, &notes->src->source, al.node) {
Arnaldo Carvalho de Melo29ed6e72012-04-15 15:24:39 -03001135 if (queue == dl)
Arnaldo Carvalho de Melod5e3d742011-02-08 15:29:25 -02001136 break;
Namhyung Kimdb8fd072013-03-05 14:53:21 +09001137 disasm_line__print(queue, sym, start, evsel, len,
Arnaldo Carvalho de Melod5e3d742011-02-08 15:29:25 -02001138 0, 0, 1, NULL);
1139 }
1140 }
1141
Namhyung Kimb1dd4432013-03-05 14:53:25 +09001142 color = get_percent_color(max_percent);
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001143
1144 /*
1145 * Also color the filename and line if needed, with
1146 * the same color than the percentage. Don't print it
1147 * twice for close colored addr with the same filename:line
1148 */
1149 if (path) {
1150 if (!prev_line || strcmp(prev_line, path)
1151 || color != prev_color) {
1152 color_fprintf(stdout, color, " %s", path);
1153 prev_line = path;
1154 prev_color = color;
1155 }
1156 }
1157
Namhyung Kimb1dd4432013-03-05 14:53:25 +09001158 for (i = 0; i < nr_percent; i++) {
1159 percent = ppercents[i];
Taeung Song896bccd2017-07-20 06:36:45 +09001160 sample = psamples[i];
Namhyung Kimb1dd4432013-03-05 14:53:25 +09001161 color = get_percent_color(percent);
Martin Liška0c4a5bc2015-06-19 16:10:43 -03001162
1163 if (symbol_conf.show_total_period)
Arnaldo Carvalho de Meloce9ee4a2017-07-26 17:16:46 -03001164 color_fprintf(stdout, color, " %11" PRIu64,
Taeung Song585d93c2017-07-21 11:58:20 -03001165 sample.period);
Taeung Song1ac39372017-08-18 17:46:48 +09001166 else if (symbol_conf.show_nr_samples)
1167 color_fprintf(stdout, color, " %7" PRIu64,
1168 sample.nr_samples);
Martin Liška0c4a5bc2015-06-19 16:10:43 -03001169 else
1170 color_fprintf(stdout, color, " %7.2f", percent);
Namhyung Kimb1dd4432013-03-05 14:53:25 +09001171 }
1172
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001173 printf(" : ");
Peter Zijlstra70fbe052016-09-05 16:08:12 -03001174
1175 br = block_range__find(addr);
1176 color_fprintf(stdout, annotate__address_color(br), " %" PRIx64 ":", addr);
Jiri Olsad5490b92017-10-11 17:01:26 +02001177 color_fprintf(stdout, annotate__asm_color(br), "%s", dl->al.line);
Peter Zijlstra70fbe052016-09-05 16:08:12 -03001178 annotate__branch_printf(br, addr);
1179 printf("\n");
Namhyung Kimb1dd4432013-03-05 14:53:25 +09001180
1181 if (ppercents != &percent)
1182 free(ppercents);
1183
Taeung Song896bccd2017-07-20 06:36:45 +09001184 if (psamples != &sample)
Martin Liška0c4a5bc2015-06-19 16:10:43 -03001185 free(psamples);
1186
Arnaldo Carvalho de Meloe3087b82011-02-08 15:01:39 -02001187 } else if (max_lines && printed >= max_lines)
Arnaldo Carvalho de Melo36532462011-02-06 14:54:44 -02001188 return 1;
1189 else {
Arnaldo Carvalho de Meloce9ee4a2017-07-26 17:16:46 -03001190 int width = symbol_conf.show_total_period ? 12 : 8;
Namhyung Kimb1dd4432013-03-05 14:53:25 +09001191
Arnaldo Carvalho de Melod5e3d742011-02-08 15:29:25 -02001192 if (queue)
1193 return -1;
1194
Namhyung Kim759ff492013-03-05 14:53:26 +09001195 if (perf_evsel__is_group_event(evsel))
Namhyung Kimb1dd4432013-03-05 14:53:25 +09001196 width *= evsel->nr_members;
1197
Jiri Olsad5490b92017-10-11 17:01:26 +02001198 if (!*dl->al.line)
Namhyung Kimb1dd4432013-03-05 14:53:25 +09001199 printf(" %*s:\n", width, " ");
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001200 else
Jiri Olsad5490b92017-10-11 17:01:26 +02001201 printf(" %*s: %s\n", width, " ", dl->al.line);
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001202 }
Arnaldo Carvalho de Melo36532462011-02-06 14:54:44 -02001203
1204 return 0;
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001205}
1206
Namhyung Kim3aec1502013-03-05 14:53:22 +09001207/*
1208 * symbol__parse_objdump_line() parses objdump output (with -d --no-show-raw)
1209 * which looks like following
1210 *
1211 * 0000000000415500 <_init>:
1212 * 415500: sub $0x8,%rsp
1213 * 415504: mov 0x2f5ad5(%rip),%rax # 70afe0 <_DYNAMIC+0x2f8>
1214 * 41550b: test %rax,%rax
1215 * 41550e: je 415515 <_init+0x15>
1216 * 415510: callq 416e70 <__gmon_start__@plt>
1217 * 415515: add $0x8,%rsp
1218 * 415519: retq
1219 *
1220 * it will be parsed and saved into struct disasm_line as
1221 * <offset> <name> <ops.raw>
1222 *
1223 * The offset will be a relative offset from the start of the symbol and -1
1224 * means that it's not a disassembly line so should be treated differently.
1225 * The ops.raw part will be parsed further according to type of the instruction.
1226 */
Jiri Olsa1a04db72017-10-11 17:01:31 +02001227static int symbol__parse_objdump_line(struct symbol *sym, FILE *file,
Jiri Olsaea07c5a2017-10-11 17:01:29 +02001228 struct annotate_args *args,
Andi Kleene5924882014-11-12 18:05:26 -08001229 int *line_nr)
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001230{
Jiri Olsa1a04db72017-10-11 17:01:31 +02001231 struct map *map = args->map;
Arnaldo Carvalho de Meloce6f4fa2011-02-08 13:27:39 -02001232 struct annotation *notes = symbol__annotation(sym);
Arnaldo Carvalho de Melo29ed6e72012-04-15 15:24:39 -03001233 struct disasm_line *dl;
Taeung Song4597cf02017-04-08 09:52:24 +09001234 char *line = NULL, *parsed_line, *tmp, *tmp2;
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001235 size_t line_len;
1236 s64 line_ip, offset = -1;
Andi Kleene5924882014-11-12 18:05:26 -08001237 regmatch_t match[2];
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001238
1239 if (getline(&line, &line_len, file) < 0)
1240 return -1;
1241
1242 if (!line)
1243 return -1;
1244
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001245 line_ip = -1;
Taeung Song4597cf02017-04-08 09:52:24 +09001246 parsed_line = rtrim(line);
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001247
Andi Kleene5924882014-11-12 18:05:26 -08001248 /* /filename:linenr ? Save line number and ignore. */
Taeung Song986a5bc2017-04-08 09:52:25 +09001249 if (regexec(&file_lineno, parsed_line, 2, match, 0) == 0) {
1250 *line_nr = atoi(parsed_line + match[1].rm_so);
Andi Kleene5924882014-11-12 18:05:26 -08001251 return 0;
1252 }
1253
Taeung Song4597cf02017-04-08 09:52:24 +09001254 tmp = ltrim(parsed_line);
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001255 if (*tmp) {
1256 /*
1257 * Parse hexa addresses followed by ':'
1258 */
1259 line_ip = strtoull(tmp, &tmp2, 16);
1260 if (*tmp2 != ':' || tmp == tmp2 || tmp2[1] == '\0')
1261 line_ip = -1;
1262 }
1263
1264 if (line_ip != -1) {
1265 u64 start = map__rip_2objdump(map, sym->start),
1266 end = map__rip_2objdump(map, sym->end);
1267
1268 offset = line_ip - start;
Arnaldo Carvalho de Melo2c241bd2014-10-14 17:19:44 -03001269 if ((u64)line_ip < start || (u64)line_ip >= end)
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001270 offset = -1;
Arnaldo Carvalho de Melo058b4cc2012-04-02 12:59:01 -03001271 else
1272 parsed_line = tmp2 + 1;
Namhyung Kima31b7cc2012-04-11 17:04:59 -03001273 }
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001274
Jiri Olsa47488342017-10-11 17:01:32 +02001275 args->offset = offset;
1276 args->line = parsed_line;
1277 args->line_nr = *line_nr;
1278
1279 dl = disasm_line__new(args);
Arnaldo Carvalho de Melo058b4cc2012-04-02 12:59:01 -03001280 free(line);
Andi Kleene5924882014-11-12 18:05:26 -08001281 (*line_nr)++;
Arnaldo Carvalho de Melo058b4cc2012-04-02 12:59:01 -03001282
Arnaldo Carvalho de Melo29ed6e72012-04-15 15:24:39 -03001283 if (dl == NULL)
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001284 return -1;
Arnaldo Carvalho de Melo058b4cc2012-04-02 12:59:01 -03001285
Ravi Bangoriae2168742016-12-05 21:26:47 +05301286 if (!disasm_line__has_offset(dl)) {
Adrian Hunterbbb7f842013-08-07 14:38:54 +03001287 dl->ops.target.offset = dl->ops.target.addr -
1288 map__rip_2objdump(map, sym->start);
Ravi Bangoriae2168742016-12-05 21:26:47 +05301289 dl->ops.target.offset_avail = true;
1290 }
Adrian Hunterbbb7f842013-08-07 14:38:54 +03001291
Adrian Hunter6e427ab2013-10-14 13:43:40 +03001292 /* kcore has no symbols, so add the call target name */
Arnaldo Carvalho de Melo75b49202016-11-24 11:16:06 -03001293 if (dl->ins.ops && ins__is_call(&dl->ins) && !dl->ops.target.name) {
Adrian Hunter6e427ab2013-10-14 13:43:40 +03001294 struct addr_map_symbol target = {
1295 .map = map,
1296 .addr = dl->ops.target.addr,
1297 };
Adrian Hunterb1781702013-08-07 14:38:57 +03001298
Arnaldo Carvalho de Melobe39db92016-09-01 19:25:52 -03001299 if (!map_groups__find_ams(&target) &&
Adrian Hunter6e427ab2013-10-14 13:43:40 +03001300 target.sym->start == target.al_addr)
1301 dl->ops.target.name = strdup(target.sym->name);
Adrian Hunterb1781702013-08-07 14:38:57 +03001302 }
1303
Jiri Olsa82b9d7f2017-10-11 17:01:35 +02001304 annotation_line__add(&dl->al, &notes->src->source);
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001305
1306 return 0;
1307}
1308
Andi Kleene5924882014-11-12 18:05:26 -08001309static __attribute__((constructor)) void symbol__init_regexpr(void)
1310{
1311 regcomp(&file_lineno, "^/[^:]+:([0-9]+)", REG_EXTENDED);
1312}
1313
Adrian Hunter484a5e72013-08-07 14:38:56 +03001314static void delete_last_nop(struct symbol *sym)
1315{
1316 struct annotation *notes = symbol__annotation(sym);
1317 struct list_head *list = &notes->src->source;
1318 struct disasm_line *dl;
1319
1320 while (!list_empty(list)) {
Jiri Olsaa17c4ca2017-10-11 17:01:25 +02001321 dl = list_entry(list->prev, struct disasm_line, al.node);
Adrian Hunter484a5e72013-08-07 14:38:56 +03001322
Arnaldo Carvalho de Melo75b49202016-11-24 11:16:06 -03001323 if (dl->ins.ops) {
1324 if (dl->ins.ops != &nop_ops)
Adrian Hunter484a5e72013-08-07 14:38:56 +03001325 return;
1326 } else {
Jiri Olsad5490b92017-10-11 17:01:26 +02001327 if (!strstr(dl->al.line, " nop ") &&
1328 !strstr(dl->al.line, " nopl ") &&
1329 !strstr(dl->al.line, " nopw "))
Adrian Hunter484a5e72013-08-07 14:38:56 +03001330 return;
1331 }
1332
Jiri Olsaa17c4ca2017-10-11 17:01:25 +02001333 list_del(&dl->al.node);
Adrian Hunter484a5e72013-08-07 14:38:56 +03001334 disasm_line__free(dl);
1335 }
1336}
1337
Arnaldo Carvalho de Meloee51d852016-07-29 16:27:18 -03001338int symbol__strerror_disassemble(struct symbol *sym __maybe_unused, struct map *map,
1339 int errnum, char *buf, size_t buflen)
1340{
1341 struct dso *dso = map->dso;
1342
1343 BUG_ON(buflen == 0);
1344
1345 if (errnum >= 0) {
1346 str_error_r(errnum, buf, buflen);
1347 return 0;
1348 }
1349
1350 switch (errnum) {
1351 case SYMBOL_ANNOTATE_ERRNO__NO_VMLINUX: {
1352 char bf[SBUILD_ID_SIZE + 15] = " with build id ";
1353 char *build_id_msg = NULL;
1354
1355 if (dso->has_build_id) {
1356 build_id__sprintf(dso->build_id,
1357 sizeof(dso->build_id), bf + 15);
1358 build_id_msg = bf;
1359 }
1360 scnprintf(buf, buflen,
1361 "No vmlinux file%s\nwas found in the path.\n\n"
1362 "Note that annotation using /proc/kcore requires CAP_SYS_RAWIO capability.\n\n"
1363 "Please use:\n\n"
1364 " perf buildid-cache -vu vmlinux\n\n"
1365 "or:\n\n"
1366 " --vmlinux vmlinux\n", build_id_msg ?: "");
1367 }
1368 break;
1369 default:
1370 scnprintf(buf, buflen, "Internal error: Invalid %d error code\n", errnum);
1371 break;
1372 }
1373
1374 return 0;
1375}
1376
Arnaldo Carvalho de Melo05ed3ac2016-08-09 15:32:53 -03001377static int dso__disassemble_filename(struct dso *dso, char *filename, size_t filename_size)
1378{
1379 char linkname[PATH_MAX];
1380 char *build_id_filename;
Taeung Song6ebd2542017-03-27 16:10:36 +09001381 char *build_id_path = NULL;
Namhyung Kim3619ef72017-06-08 16:31:01 +09001382 char *pos;
Arnaldo Carvalho de Melo05ed3ac2016-08-09 15:32:53 -03001383
1384 if (dso->symtab_type == DSO_BINARY_TYPE__KALLSYMS &&
1385 !dso__is_kcore(dso))
1386 return SYMBOL_ANNOTATE_ERRNO__NO_VMLINUX;
1387
Krister Johansend2396992017-07-05 18:48:13 -07001388 build_id_filename = dso__build_id_filename(dso, NULL, 0, false);
Arnaldo Carvalho de Melo05ed3ac2016-08-09 15:32:53 -03001389 if (build_id_filename) {
1390 __symbol__join_symfs(filename, filename_size, build_id_filename);
1391 free(build_id_filename);
1392 } else {
1393 if (dso->has_build_id)
1394 return ENOMEM;
1395 goto fallback;
1396 }
1397
Taeung Song6ebd2542017-03-27 16:10:36 +09001398 build_id_path = strdup(filename);
1399 if (!build_id_path)
1400 return -1;
1401
Namhyung Kim3619ef72017-06-08 16:31:01 +09001402 /*
1403 * old style build-id cache has name of XX/XXXXXXX.. while
1404 * new style has XX/XXXXXXX../{elf,kallsyms,vdso}.
1405 * extract the build-id part of dirname in the new style only.
1406 */
1407 pos = strrchr(build_id_path, '/');
1408 if (pos && strlen(pos) < SBUILD_ID_SIZE - 2)
1409 dirname(build_id_path);
Taeung Song6ebd2542017-03-27 16:10:36 +09001410
Arnaldo Carvalho de Melo05ed3ac2016-08-09 15:32:53 -03001411 if (dso__is_kcore(dso) ||
Taeung Song6ebd2542017-03-27 16:10:36 +09001412 readlink(build_id_path, linkname, sizeof(linkname)) < 0 ||
Arnaldo Carvalho de Melo05ed3ac2016-08-09 15:32:53 -03001413 strstr(linkname, DSO__NAME_KALLSYMS) ||
1414 access(filename, R_OK)) {
1415fallback:
1416 /*
1417 * If we don't have build-ids or the build-id file isn't in the
1418 * cache, or is just a kallsyms file, well, lets hope that this
1419 * DSO is the same as when 'perf record' ran.
1420 */
1421 __symbol__join_symfs(filename, filename_size, dso->long_name);
1422 }
1423
Taeung Song6ebd2542017-03-27 16:10:36 +09001424 free(build_id_path);
Arnaldo Carvalho de Melo05ed3ac2016-08-09 15:32:53 -03001425 return 0;
1426}
1427
Arnaldo Carvalho de Melo786c1b52016-11-16 15:39:50 -03001428static const char *annotate__norm_arch(const char *arch_name)
1429{
1430 struct utsname uts;
1431
1432 if (!arch_name) { /* Assume we are annotating locally. */
1433 if (uname(&uts) < 0)
1434 return NULL;
1435 arch_name = uts.machine;
1436 }
1437 return normalize_arch((char *)arch_name);
1438}
1439
Jiri Olsa1a04db72017-10-11 17:01:31 +02001440static int symbol__disassemble(struct symbol *sym, struct annotate_args *args)
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001441{
Jiri Olsa1a04db72017-10-11 17:01:31 +02001442 struct map *map = args->map;
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001443 struct dso *dso = map->dso;
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001444 char command[PATH_MAX * 2];
1445 FILE *file;
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001446 char symfs_filename[PATH_MAX];
Adrian Hunterafba19d2013-10-09 15:01:12 +03001447 struct kcore_extract kce;
1448 bool delete_extract = false;
Arnaldo Carvalho de Melo9955d0b2016-06-15 15:48:08 -03001449 int stdout_fd[2];
Andi Kleene5924882014-11-12 18:05:26 -08001450 int lineno = 0;
Andi Kleen62ec9b32015-11-05 19:06:07 -08001451 int nline;
Arnaldo Carvalho de Melo9955d0b2016-06-15 15:48:08 -03001452 pid_t pid;
Arnaldo Carvalho de Melo05ed3ac2016-08-09 15:32:53 -03001453 int err = dso__disassemble_filename(dso, symfs_filename, sizeof(symfs_filename));
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001454
Arnaldo Carvalho de Melo05ed3ac2016-08-09 15:32:53 -03001455 if (err)
1456 return err;
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001457
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001458 pr_debug("%s: filename=%s, sym=%s, start=%#" PRIx64 ", end=%#" PRIx64 "\n", __func__,
Arnaldo Carvalho de Melo3caee092016-08-09 15:16:37 -03001459 symfs_filename, sym->name, map->unmap_ip(map, sym->start),
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001460 map->unmap_ip(map, sym->end));
1461
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001462 pr_debug("annotating [%p] %30s : [%p] %30s\n",
1463 dso, dso->long_name, sym, sym->name);
1464
Adrian Hunterafba19d2013-10-09 15:01:12 +03001465 if (dso__is_kcore(dso)) {
1466 kce.kcore_filename = symfs_filename;
1467 kce.addr = map__rip_2objdump(map, sym->start);
1468 kce.offs = sym->start;
Arnaldo Carvalho de Melo2c241bd2014-10-14 17:19:44 -03001469 kce.len = sym->end - sym->start;
Adrian Hunterafba19d2013-10-09 15:01:12 +03001470 if (!kcore_extract__create(&kce)) {
1471 delete_extract = true;
1472 strlcpy(symfs_filename, kce.extract_filename,
1473 sizeof(symfs_filename));
Adrian Hunterafba19d2013-10-09 15:01:12 +03001474 }
Jiri Olsa2c7da8c2015-03-02 12:56:12 -05001475 } else if (dso__needs_decompress(dso)) {
Namhyung Kim3c84fd52017-06-08 16:31:04 +09001476 char tmp[KMOD_DECOMP_LEN];
Jiri Olsa2c7da8c2015-03-02 12:56:12 -05001477
Namhyung Kim3c84fd52017-06-08 16:31:04 +09001478 if (dso__decompress_kmodule_path(dso, symfs_filename,
1479 tmp, sizeof(tmp)) < 0)
Arnaldo Carvalho de Melo3caee092016-08-09 15:16:37 -03001480 goto out;
Jiri Olsa2c7da8c2015-03-02 12:56:12 -05001481
1482 strcpy(symfs_filename, tmp);
Adrian Hunterafba19d2013-10-09 15:01:12 +03001483 }
1484
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001485 snprintf(command, sizeof(command),
Maciek Borzecki7a4ec932012-09-04 12:32:30 +02001486 "%s %s%s --start-address=0x%016" PRIx64
Stephane Eranian3e6a2a72011-05-17 17:32:07 +02001487 " --stop-address=0x%016" PRIx64
Ravi Bangoria7b4500b2017-05-05 15:44:17 +05301488 " -l -d %s %s -C \"%s\" 2>/dev/null|grep -v \"%s:\"|expand",
Maciek Borzecki7a4ec932012-09-04 12:32:30 +02001489 objdump_path ? objdump_path : "objdump",
Andi Kleenf69b64f2011-09-15 14:31:41 -07001490 disassembler_style ? "-M " : "",
1491 disassembler_style ? disassembler_style : "",
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001492 map__rip_2objdump(map, sym->start),
Arnaldo Carvalho de Melo2c241bd2014-10-14 17:19:44 -03001493 map__rip_2objdump(map, sym->end),
Stephane Eranian3e6a2a72011-05-17 17:32:07 +02001494 symbol_conf.annotate_asm_raw ? "" : "--no-show-raw",
1495 symbol_conf.annotate_src ? "-S" : "",
Arnaldo Carvalho de Melo3caee092016-08-09 15:16:37 -03001496 symfs_filename, symfs_filename);
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001497
1498 pr_debug("Executing: %s\n", command);
1499
Arnaldo Carvalho de Melo9955d0b2016-06-15 15:48:08 -03001500 err = -1;
1501 if (pipe(stdout_fd) < 0) {
1502 pr_err("Failure creating the pipe to run %s\n", command);
1503 goto out_remove_tmp;
1504 }
1505
1506 pid = fork();
1507 if (pid < 0) {
1508 pr_err("Failure forking to run %s\n", command);
1509 goto out_close_stdout;
1510 }
1511
1512 if (pid == 0) {
1513 close(stdout_fd[0]);
1514 dup2(stdout_fd[1], 1);
1515 close(stdout_fd[1]);
1516 execl("/bin/sh", "sh", "-c", command, NULL);
1517 perror(command);
1518 exit(-1);
1519 }
1520
1521 close(stdout_fd[1]);
1522
1523 file = fdopen(stdout_fd[0], "r");
Andi Kleen62ec9b32015-11-05 19:06:07 -08001524 if (!file) {
Arnaldo Carvalho de Melo9955d0b2016-06-15 15:48:08 -03001525 pr_err("Failure creating FILE stream for %s\n", command);
Andi Kleen62ec9b32015-11-05 19:06:07 -08001526 /*
1527 * If we were using debug info should retry with
1528 * original binary.
1529 */
Jiri Olsa2c7da8c2015-03-02 12:56:12 -05001530 goto out_remove_tmp;
Andi Kleen62ec9b32015-11-05 19:06:07 -08001531 }
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001532
Andi Kleen62ec9b32015-11-05 19:06:07 -08001533 nline = 0;
1534 while (!feof(file)) {
Arnaldo Carvalho de Meloed7b3392017-03-21 16:00:50 -03001535 /*
1536 * The source code line number (lineno) needs to be kept in
1537 * accross calls to symbol__parse_objdump_line(), so that it
1538 * can associate it with the instructions till the next one.
1539 * See disasm_line__new() and struct disasm_line::line_nr.
1540 */
Jiri Olsa1a04db72017-10-11 17:01:31 +02001541 if (symbol__parse_objdump_line(sym, file, args, &lineno) < 0)
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001542 break;
Andi Kleen62ec9b32015-11-05 19:06:07 -08001543 nline++;
1544 }
1545
1546 if (nline == 0)
1547 pr_err("No output from %s\n", command);
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001548
Adrian Hunter484a5e72013-08-07 14:38:56 +03001549 /*
1550 * kallsyms does not have symbol sizes so there may a nop at the end.
1551 * Remove it.
1552 */
1553 if (dso__is_kcore(dso))
1554 delete_last_nop(sym);
1555
Arnaldo Carvalho de Melo9955d0b2016-06-15 15:48:08 -03001556 fclose(file);
1557 err = 0;
Jiri Olsa2c7da8c2015-03-02 12:56:12 -05001558out_remove_tmp:
Arnaldo Carvalho de Melo9955d0b2016-06-15 15:48:08 -03001559 close(stdout_fd[0]);
1560
Jiri Olsa2c7da8c2015-03-02 12:56:12 -05001561 if (dso__needs_decompress(dso))
1562 unlink(symfs_filename);
Arnaldo Carvalho de Melo3caee092016-08-09 15:16:37 -03001563
Adrian Hunterafba19d2013-10-09 15:01:12 +03001564 if (delete_extract)
1565 kcore_extract__delete(&kce);
Arnaldo Carvalho de Meloc12944f2016-08-09 14:56:13 -03001566out:
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001567 return err;
Arnaldo Carvalho de Melo9955d0b2016-06-15 15:48:08 -03001568
1569out_close_stdout:
1570 close(stdout_fd[1]);
1571 goto out_remove_tmp;
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001572}
1573
Jiri Olsac34df252017-10-11 17:01:28 +02001574int symbol__annotate(struct symbol *sym, struct map *map,
Jiri Olsad03a6862017-10-11 17:01:33 +02001575 struct perf_evsel *evsel, size_t privsize,
Jiri Olsac34df252017-10-11 17:01:28 +02001576 struct arch **parch, char *cpuid)
1577{
Jiri Olsaea07c5a2017-10-11 17:01:29 +02001578 struct annotate_args args = {
1579 .privsize = privsize,
Jiri Olsa1a04db72017-10-11 17:01:31 +02001580 .map = map,
Jiri Olsad03a6862017-10-11 17:01:33 +02001581 .evsel = evsel,
Jiri Olsaea07c5a2017-10-11 17:01:29 +02001582 };
Jiri Olsad03a6862017-10-11 17:01:33 +02001583 const char *arch_name = NULL;
Jiri Olsac34df252017-10-11 17:01:28 +02001584 struct arch *arch;
1585 int err;
1586
Jiri Olsad03a6862017-10-11 17:01:33 +02001587 if (evsel)
1588 arch_name = perf_evsel__env_arch(evsel);
1589
Jiri Olsac34df252017-10-11 17:01:28 +02001590 arch_name = annotate__norm_arch(arch_name);
1591 if (!arch_name)
1592 return -1;
1593
Jiri Olsa24fe7b82017-10-11 17:01:30 +02001594 args.arch = arch = arch__find(arch_name);
Jiri Olsac34df252017-10-11 17:01:28 +02001595 if (arch == NULL)
1596 return -ENOTSUP;
1597
1598 if (parch)
1599 *parch = arch;
1600
1601 if (arch->init) {
1602 err = arch->init(arch, cpuid);
1603 if (err) {
1604 pr_err("%s: failed to initialize %s arch priv area\n", __func__, arch->name);
1605 return err;
1606 }
1607 }
1608
Jiri Olsa1a04db72017-10-11 17:01:31 +02001609 return symbol__disassemble(sym, &args);
Jiri Olsac34df252017-10-11 17:01:28 +02001610}
1611
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001612static void insert_source_line(struct rb_root *root, struct source_line *src_line)
1613{
1614 struct source_line *iter;
1615 struct rb_node **p = &root->rb_node;
1616 struct rb_node *parent = NULL;
Namhyung Kim1491c222013-03-05 14:53:28 +09001617 int i, ret;
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001618
1619 while (*p != NULL) {
1620 parent = *p;
1621 iter = rb_entry(parent, struct source_line, node);
1622
Namhyung Kim41127962012-11-09 14:58:49 +09001623 ret = strcmp(iter->path, src_line->path);
1624 if (ret == 0) {
Namhyung Kim1491c222013-03-05 14:53:28 +09001625 for (i = 0; i < src_line->nr_pcnt; i++)
Arnaldo Carvalho de Melo276af92f2015-06-19 16:36:12 -03001626 iter->samples[i].percent_sum += src_line->samples[i].percent;
Namhyung Kim41127962012-11-09 14:58:49 +09001627 return;
1628 }
1629
1630 if (ret < 0)
1631 p = &(*p)->rb_left;
1632 else
1633 p = &(*p)->rb_right;
1634 }
1635
Namhyung Kim1491c222013-03-05 14:53:28 +09001636 for (i = 0; i < src_line->nr_pcnt; i++)
Arnaldo Carvalho de Melo276af92f2015-06-19 16:36:12 -03001637 src_line->samples[i].percent_sum = src_line->samples[i].percent;
Namhyung Kim41127962012-11-09 14:58:49 +09001638
1639 rb_link_node(&src_line->node, parent, p);
1640 rb_insert_color(&src_line->node, root);
1641}
1642
Namhyung Kim1491c222013-03-05 14:53:28 +09001643static int cmp_source_line(struct source_line *a, struct source_line *b)
1644{
1645 int i;
1646
1647 for (i = 0; i < a->nr_pcnt; i++) {
Arnaldo Carvalho de Melo276af92f2015-06-19 16:36:12 -03001648 if (a->samples[i].percent_sum == b->samples[i].percent_sum)
Namhyung Kim1491c222013-03-05 14:53:28 +09001649 continue;
Arnaldo Carvalho de Melo276af92f2015-06-19 16:36:12 -03001650 return a->samples[i].percent_sum > b->samples[i].percent_sum;
Namhyung Kim1491c222013-03-05 14:53:28 +09001651 }
1652
1653 return 0;
1654}
1655
Namhyung Kim41127962012-11-09 14:58:49 +09001656static void __resort_source_line(struct rb_root *root, struct source_line *src_line)
1657{
1658 struct source_line *iter;
1659 struct rb_node **p = &root->rb_node;
1660 struct rb_node *parent = NULL;
1661
1662 while (*p != NULL) {
1663 parent = *p;
1664 iter = rb_entry(parent, struct source_line, node);
1665
Namhyung Kim1491c222013-03-05 14:53:28 +09001666 if (cmp_source_line(src_line, iter))
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001667 p = &(*p)->rb_left;
1668 else
1669 p = &(*p)->rb_right;
1670 }
1671
1672 rb_link_node(&src_line->node, parent, p);
1673 rb_insert_color(&src_line->node, root);
1674}
1675
Namhyung Kim41127962012-11-09 14:58:49 +09001676static void resort_source_line(struct rb_root *dest_root, struct rb_root *src_root)
1677{
1678 struct source_line *src_line;
1679 struct rb_node *node;
1680
1681 node = rb_first(src_root);
1682 while (node) {
1683 struct rb_node *next;
1684
1685 src_line = rb_entry(node, struct source_line, node);
1686 next = rb_next(node);
1687 rb_erase(node, src_root);
1688
1689 __resort_source_line(dest_root, src_line);
1690 node = next;
1691 }
1692}
1693
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001694static void symbol__free_source_line(struct symbol *sym, int len)
1695{
1696 struct annotation *notes = symbol__annotation(sym);
Arnaldo Carvalho de Meloce6f4fa2011-02-08 13:27:39 -02001697 struct source_line *src_line = notes->src->lines;
Namhyung Kim1491c222013-03-05 14:53:28 +09001698 size_t sizeof_src_line;
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001699 int i;
1700
Namhyung Kim1491c222013-03-05 14:53:28 +09001701 sizeof_src_line = sizeof(*src_line) +
Arnaldo Carvalho de Melo276af92f2015-06-19 16:36:12 -03001702 (sizeof(src_line->samples) * (src_line->nr_pcnt - 1));
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001703
Namhyung Kim1491c222013-03-05 14:53:28 +09001704 for (i = 0; i < len; i++) {
Namhyung Kimf048d542013-09-11 14:09:28 +09001705 free_srcline(src_line->path);
Namhyung Kim1491c222013-03-05 14:53:28 +09001706 src_line = (void *)src_line + sizeof_src_line;
1707 }
1708
Arnaldo Carvalho de Melo04662522013-12-26 17:41:15 -03001709 zfree(&notes->src->lines);
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001710}
1711
1712/* Get the filename:line for the colored entries */
1713static int symbol__get_source_line(struct symbol *sym, struct map *map,
Namhyung Kimdb8fd072013-03-05 14:53:21 +09001714 struct perf_evsel *evsel,
Namhyung Kim86c98ca2013-09-11 14:09:30 +09001715 struct rb_root *root, int len)
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001716{
1717 u64 start;
Namhyung Kim1491c222013-03-05 14:53:28 +09001718 int i, k;
1719 int evidx = evsel->idx;
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001720 struct source_line *src_line;
1721 struct annotation *notes = symbol__annotation(sym);
Namhyung Kim1491c222013-03-05 14:53:28 +09001722 struct sym_hist *h = annotation__histogram(notes, evidx);
Namhyung Kim41127962012-11-09 14:58:49 +09001723 struct rb_root tmp_root = RB_ROOT;
Namhyung Kim1491c222013-03-05 14:53:28 +09001724 int nr_pcnt = 1;
Taeung Song8158683d2017-07-20 06:36:51 +09001725 u64 nr_samples = h->nr_samples;
Namhyung Kim1491c222013-03-05 14:53:28 +09001726 size_t sizeof_src_line = sizeof(struct source_line);
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001727
Namhyung Kim1491c222013-03-05 14:53:28 +09001728 if (perf_evsel__is_group_event(evsel)) {
1729 for (i = 1; i < evsel->nr_members; i++) {
1730 h = annotation__histogram(notes, evidx + i);
Taeung Song8158683d2017-07-20 06:36:51 +09001731 nr_samples += h->nr_samples;
Namhyung Kim1491c222013-03-05 14:53:28 +09001732 }
1733 nr_pcnt = evsel->nr_members;
Arnaldo Carvalho de Melo276af92f2015-06-19 16:36:12 -03001734 sizeof_src_line += (nr_pcnt - 1) * sizeof(src_line->samples);
Namhyung Kim1491c222013-03-05 14:53:28 +09001735 }
1736
Taeung Song8158683d2017-07-20 06:36:51 +09001737 if (!nr_samples)
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001738 return 0;
1739
Namhyung Kim1491c222013-03-05 14:53:28 +09001740 src_line = notes->src->lines = calloc(len, sizeof_src_line);
Arnaldo Carvalho de Meloce6f4fa2011-02-08 13:27:39 -02001741 if (!notes->src->lines)
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001742 return -1;
1743
David Millerf40a0632012-03-25 16:28:12 -04001744 start = map__rip_2objdump(map, sym->start);
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001745
1746 for (i = 0; i < len; i++) {
Taeung Song8158683d2017-07-20 06:36:51 +09001747 u64 offset;
Namhyung Kim1491c222013-03-05 14:53:28 +09001748 double percent_max = 0.0;
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001749
Namhyung Kim1491c222013-03-05 14:53:28 +09001750 src_line->nr_pcnt = nr_pcnt;
1751
1752 for (k = 0; k < nr_pcnt; k++) {
Taeung Song2e933b12017-03-27 16:10:37 +09001753 double percent = 0.0;
Namhyung Kim1491c222013-03-05 14:53:28 +09001754
Taeung Song2e933b12017-03-27 16:10:37 +09001755 h = annotation__histogram(notes, evidx + k);
Taeung Song896bccd2017-07-20 06:36:45 +09001756 nr_samples = h->addr[i].nr_samples;
Taeung Song8158683d2017-07-20 06:36:51 +09001757 if (h->nr_samples)
1758 percent = 100.0 * nr_samples / h->nr_samples;
Taeung Song2e933b12017-03-27 16:10:37 +09001759
1760 if (percent > percent_max)
1761 percent_max = percent;
1762 src_line->samples[k].percent = percent;
Taeung Song99094a5e2017-03-28 21:12:05 +09001763 src_line->samples[k].nr = nr_samples;
Namhyung Kim1491c222013-03-05 14:53:28 +09001764 }
1765
1766 if (percent_max <= 0.5)
1767 goto next;
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001768
1769 offset = start + i;
Milian Wolff5dfa2102017-03-18 22:49:28 +01001770 src_line->path = get_srcline(map->dso, offset, NULL,
1771 false, true);
Namhyung Kim1491c222013-03-05 14:53:28 +09001772 insert_source_line(&tmp_root, src_line);
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001773
Namhyung Kim1491c222013-03-05 14:53:28 +09001774 next:
1775 src_line = (void *)src_line + sizeof_src_line;
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001776 }
1777
Namhyung Kim41127962012-11-09 14:58:49 +09001778 resort_source_line(root, &tmp_root);
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001779 return 0;
1780}
1781
1782static void print_summary(struct rb_root *root, const char *filename)
1783{
1784 struct source_line *src_line;
1785 struct rb_node *node;
1786
1787 printf("\nSorted summary for file %s\n", filename);
1788 printf("----------------------------------------------\n\n");
1789
1790 if (RB_EMPTY_ROOT(root)) {
1791 printf(" Nothing higher than %1.1f%%\n", MIN_GREEN);
1792 return;
1793 }
1794
1795 node = rb_first(root);
1796 while (node) {
Namhyung Kim1491c222013-03-05 14:53:28 +09001797 double percent, percent_max = 0.0;
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001798 const char *color;
1799 char *path;
Namhyung Kim1491c222013-03-05 14:53:28 +09001800 int i;
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001801
1802 src_line = rb_entry(node, struct source_line, node);
Namhyung Kim1491c222013-03-05 14:53:28 +09001803 for (i = 0; i < src_line->nr_pcnt; i++) {
Arnaldo Carvalho de Melo276af92f2015-06-19 16:36:12 -03001804 percent = src_line->samples[i].percent_sum;
Namhyung Kim1491c222013-03-05 14:53:28 +09001805 color = get_percent_color(percent);
1806 color_fprintf(stdout, color, " %7.2f", percent);
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001807
Namhyung Kim1491c222013-03-05 14:53:28 +09001808 if (percent > percent_max)
1809 percent_max = percent;
1810 }
1811
1812 path = src_line->path;
1813 color = get_percent_color(percent_max);
Namhyung Kimf048d542013-09-11 14:09:28 +09001814 color_fprintf(stdout, color, " %s\n", path);
Namhyung Kim1491c222013-03-05 14:53:28 +09001815
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001816 node = rb_next(node);
1817 }
1818}
1819
Namhyung Kimdb8fd072013-03-05 14:53:21 +09001820static void symbol__annotate_hits(struct symbol *sym, struct perf_evsel *evsel)
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001821{
1822 struct annotation *notes = symbol__annotation(sym);
Namhyung Kimdb8fd072013-03-05 14:53:21 +09001823 struct sym_hist *h = annotation__histogram(notes, evsel->idx);
Arnaldo Carvalho de Melo1b2e2df2012-04-19 10:57:06 -03001824 u64 len = symbol__size(sym), offset;
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001825
1826 for (offset = 0; offset < len; ++offset)
Taeung Song896bccd2017-07-20 06:36:45 +09001827 if (h->addr[offset].nr_samples != 0)
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001828 printf("%*" PRIx64 ": %" PRIu64 "\n", BITS_PER_LONG / 2,
Taeung Song896bccd2017-07-20 06:36:45 +09001829 sym->start + offset, h->addr[offset].nr_samples);
Taeung Song8158683d2017-07-20 06:36:51 +09001830 printf("%*s: %" PRIu64 "\n", BITS_PER_LONG / 2, "h->nr_samples", h->nr_samples);
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001831}
1832
Namhyung Kimdb8fd072013-03-05 14:53:21 +09001833int symbol__annotate_printf(struct symbol *sym, struct map *map,
1834 struct perf_evsel *evsel, bool full_paths,
1835 int min_pcnt, int max_lines, int context)
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001836{
1837 struct dso *dso = map->dso;
David Ahernbfd14b92012-09-08 09:06:50 -06001838 char *filename;
1839 const char *d_filename;
Arnaldo Carvalho de Melo9cdbadce2014-03-18 11:50:21 -03001840 const char *evsel_name = perf_evsel__name(evsel);
Arnaldo Carvalho de Meloce6f4fa2011-02-08 13:27:39 -02001841 struct annotation *notes = symbol__annotation(sym);
Peter Zijlstra (Intel)135cce12016-06-30 10:29:55 +02001842 struct sym_hist *h = annotation__histogram(notes, evsel->idx);
Arnaldo Carvalho de Melo29ed6e72012-04-15 15:24:39 -03001843 struct disasm_line *pos, *queue = NULL;
Arnaldo Carvalho de Melo058b4cc2012-04-02 12:59:01 -03001844 u64 start = map__rip_2objdump(map, sym->start);
Arnaldo Carvalho de Melod5e3d742011-02-08 15:29:25 -02001845 int printed = 2, queue_len = 0;
Arnaldo Carvalho de Melo36532462011-02-06 14:54:44 -02001846 int more = 0;
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001847 u64 len;
Arnaldo Carvalho de Meloce9ee4a2017-07-26 17:16:46 -03001848 int width = symbol_conf.show_total_period ? 12 : 8;
Peter Zijlstra (Intel)53dd9b52016-06-30 09:17:26 -03001849 int graph_dotted_len;
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001850
David Ahernbfd14b92012-09-08 09:06:50 -06001851 filename = strdup(dso->long_name);
1852 if (!filename)
1853 return -ENOMEM;
1854
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001855 if (full_paths)
1856 d_filename = filename;
1857 else
1858 d_filename = basename(filename);
1859
Arnaldo Carvalho de Melo1b2e2df2012-04-19 10:57:06 -03001860 len = symbol__size(sym);
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001861
Namhyung Kim759ff492013-03-05 14:53:26 +09001862 if (perf_evsel__is_group_event(evsel))
Namhyung Kimb1dd4432013-03-05 14:53:25 +09001863 width *= evsel->nr_members;
1864
Peter Zijlstra (Intel)135cce12016-06-30 10:29:55 +02001865 graph_dotted_len = printf(" %-*.*s| Source code & Disassembly of %s for %s (%" PRIu64 " samples)\n",
Taeung Song1ac39372017-08-18 17:46:48 +09001866 width, width, symbol_conf.show_total_period ? "Period" :
1867 symbol_conf.show_nr_samples ? "Samples" : "Percent",
Taeung Song38d2dcd2017-07-25 06:28:42 +09001868 d_filename, evsel_name, h->nr_samples);
Arnaldo Carvalho de Melo9cdbadce2014-03-18 11:50:21 -03001869
Peter Zijlstra (Intel)53dd9b52016-06-30 09:17:26 -03001870 printf("%-*.*s----\n",
Arnaldo Carvalho de Melo9cdbadce2014-03-18 11:50:21 -03001871 graph_dotted_len, graph_dotted_len, graph_dotted_line);
Arnaldo Carvalho de Melof1e27012011-02-05 18:51:38 -02001872
Namhyung Kimbb963e12017-02-17 17:17:38 +09001873 if (verbose > 0)
Namhyung Kimdb8fd072013-03-05 14:53:21 +09001874 symbol__annotate_hits(sym, evsel);
Arnaldo Carvalho de Melof1e27012011-02-05 18:51:38 -02001875
Jiri Olsaa17c4ca2017-10-11 17:01:25 +02001876 list_for_each_entry(pos, &notes->src->source, al.node) {
Arnaldo Carvalho de Melod5e3d742011-02-08 15:29:25 -02001877 if (context && queue == NULL) {
1878 queue = pos;
1879 queue_len = 0;
1880 }
1881
Namhyung Kimdb8fd072013-03-05 14:53:21 +09001882 switch (disasm_line__print(pos, sym, start, evsel, len,
Arnaldo Carvalho de Melo058b4cc2012-04-02 12:59:01 -03001883 min_pcnt, printed, max_lines,
1884 queue)) {
Arnaldo Carvalho de Melo36532462011-02-06 14:54:44 -02001885 case 0:
1886 ++printed;
Arnaldo Carvalho de Melod5e3d742011-02-08 15:29:25 -02001887 if (context) {
1888 printed += queue_len;
1889 queue = NULL;
1890 queue_len = 0;
1891 }
Arnaldo Carvalho de Melof1e27012011-02-05 18:51:38 -02001892 break;
Arnaldo Carvalho de Melo36532462011-02-06 14:54:44 -02001893 case 1:
1894 /* filtered by max_lines */
1895 ++more;
1896 break;
1897 case -1:
1898 default:
Arnaldo Carvalho de Melod5e3d742011-02-08 15:29:25 -02001899 /*
1900 * Filtered by min_pcnt or non IP lines when
1901 * context != 0
1902 */
1903 if (!context)
1904 break;
1905 if (queue_len == context)
Jiri Olsaa17c4ca2017-10-11 17:01:25 +02001906 queue = list_entry(queue->al.node.next, typeof(*queue), al.node);
Arnaldo Carvalho de Melod5e3d742011-02-08 15:29:25 -02001907 else
1908 ++queue_len;
Arnaldo Carvalho de Melo36532462011-02-06 14:54:44 -02001909 break;
1910 }
1911 }
Arnaldo Carvalho de Melof1e27012011-02-05 18:51:38 -02001912
David Ahernbfd14b92012-09-08 09:06:50 -06001913 free(filename);
1914
Arnaldo Carvalho de Melo36532462011-02-06 14:54:44 -02001915 return more;
1916}
1917
1918void symbol__annotate_zero_histogram(struct symbol *sym, int evidx)
1919{
1920 struct annotation *notes = symbol__annotation(sym);
1921 struct sym_hist *h = annotation__histogram(notes, evidx);
1922
Arnaldo Carvalho de Meloce6f4fa2011-02-08 13:27:39 -02001923 memset(h, 0, notes->src->sizeof_sym_hist);
Arnaldo Carvalho de Melo36532462011-02-06 14:54:44 -02001924}
1925
Arnaldo Carvalho de Meloce6f4fa2011-02-08 13:27:39 -02001926void symbol__annotate_decay_histogram(struct symbol *sym, int evidx)
Arnaldo Carvalho de Melo36532462011-02-06 14:54:44 -02001927{
1928 struct annotation *notes = symbol__annotation(sym);
1929 struct sym_hist *h = annotation__histogram(notes, evidx);
Arnaldo Carvalho de Melo1b2e2df2012-04-19 10:57:06 -03001930 int len = symbol__size(sym), offset;
Arnaldo Carvalho de Melo36532462011-02-06 14:54:44 -02001931
Taeung Song8158683d2017-07-20 06:36:51 +09001932 h->nr_samples = 0;
Arnaldo Carvalho de Melo8b84a562012-04-05 16:15:59 -03001933 for (offset = 0; offset < len; ++offset) {
Taeung Song896bccd2017-07-20 06:36:45 +09001934 h->addr[offset].nr_samples = h->addr[offset].nr_samples * 7 / 8;
Taeung Song8158683d2017-07-20 06:36:51 +09001935 h->nr_samples += h->addr[offset].nr_samples;
Arnaldo Carvalho de Melof1e27012011-02-05 18:51:38 -02001936 }
1937}
1938
Arnaldo Carvalho de Melo29ed6e72012-04-15 15:24:39 -03001939void disasm__purge(struct list_head *head)
Arnaldo Carvalho de Melof1e27012011-02-05 18:51:38 -02001940{
Arnaldo Carvalho de Melo29ed6e72012-04-15 15:24:39 -03001941 struct disasm_line *pos, *n;
Arnaldo Carvalho de Melof1e27012011-02-05 18:51:38 -02001942
Jiri Olsaa17c4ca2017-10-11 17:01:25 +02001943 list_for_each_entry_safe(pos, n, head, al.node) {
1944 list_del(&pos->al.node);
Arnaldo Carvalho de Melo29ed6e72012-04-15 15:24:39 -03001945 disasm_line__free(pos);
Arnaldo Carvalho de Melof1e27012011-02-05 18:51:38 -02001946 }
1947}
1948
Arnaldo Carvalho de Melo51454182012-04-15 15:52:18 -03001949static size_t disasm_line__fprintf(struct disasm_line *dl, FILE *fp)
1950{
1951 size_t printed;
1952
Jiri Olsad5490b92017-10-11 17:01:26 +02001953 if (dl->al.offset == -1)
1954 return fprintf(fp, "%s\n", dl->al.line);
Arnaldo Carvalho de Melo51454182012-04-15 15:52:18 -03001955
Jiri Olsad5490b92017-10-11 17:01:26 +02001956 printed = fprintf(fp, "%#" PRIx64 " %s", dl->al.offset, dl->ins.name);
Arnaldo Carvalho de Melo51454182012-04-15 15:52:18 -03001957
Arnaldo Carvalho de Meloc7e6ead2012-04-20 14:38:46 -03001958 if (dl->ops.raw[0] != '\0') {
Arnaldo Carvalho de Melo51454182012-04-15 15:52:18 -03001959 printed += fprintf(fp, "%.*s %s\n", 6 - (int)printed, " ",
Arnaldo Carvalho de Meloc7e6ead2012-04-20 14:38:46 -03001960 dl->ops.raw);
Arnaldo Carvalho de Melo51454182012-04-15 15:52:18 -03001961 }
1962
1963 return printed + fprintf(fp, "\n");
1964}
1965
1966size_t disasm__fprintf(struct list_head *head, FILE *fp)
1967{
1968 struct disasm_line *pos;
1969 size_t printed = 0;
1970
Jiri Olsaa17c4ca2017-10-11 17:01:25 +02001971 list_for_each_entry(pos, head, al.node)
Arnaldo Carvalho de Melo51454182012-04-15 15:52:18 -03001972 printed += disasm_line__fprintf(pos, fp);
1973
1974 return printed;
1975}
1976
Namhyung Kimdb8fd072013-03-05 14:53:21 +09001977int symbol__tty_annotate(struct symbol *sym, struct map *map,
1978 struct perf_evsel *evsel, bool print_lines,
1979 bool full_paths, int min_pcnt, int max_lines)
Arnaldo Carvalho de Melof1e27012011-02-05 18:51:38 -02001980{
1981 struct dso *dso = map->dso;
Arnaldo Carvalho de Melof1e27012011-02-05 18:51:38 -02001982 struct rb_root source_line = RB_ROOT;
Arnaldo Carvalho de Melof1e27012011-02-05 18:51:38 -02001983 u64 len;
1984
Jiri Olsad03a6862017-10-11 17:01:33 +02001985 if (symbol__annotate(sym, map, evsel, 0, NULL, NULL) < 0)
Arnaldo Carvalho de Melof1e27012011-02-05 18:51:38 -02001986 return -1;
1987
Arnaldo Carvalho de Melo1b2e2df2012-04-19 10:57:06 -03001988 len = symbol__size(sym);
Arnaldo Carvalho de Melof1e27012011-02-05 18:51:38 -02001989
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001990 if (print_lines) {
Michael Petlan4a4c03c2015-11-09 16:33:31 +01001991 srcline_full_filename = full_paths;
Namhyung Kim86c98ca2013-09-11 14:09:30 +09001992 symbol__get_source_line(sym, map, evsel, &source_line, len);
1993 print_summary(&source_line, dso->long_name);
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001994 }
1995
Namhyung Kimdb8fd072013-03-05 14:53:21 +09001996 symbol__annotate_printf(sym, map, evsel, full_paths,
Arnaldo Carvalho de Melod5e3d742011-02-08 15:29:25 -02001997 min_pcnt, max_lines, 0);
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001998 if (print_lines)
1999 symbol__free_source_line(sym, len);
2000
Arnaldo Carvalho de Melo29ed6e72012-04-15 15:24:39 -03002001 disasm__purge(&symbol__annotation(sym)->src->source);
Arnaldo Carvalho de Melof1e27012011-02-05 18:51:38 -02002002
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02002003 return 0;
2004}
Arnaldo Carvalho de Melof626adf2013-12-18 17:10:15 -03002005
Namhyung Kim48c65bd2014-02-20 10:32:53 +09002006bool ui__has_annotation(void)
2007{
Jiri Olsa2e0453a2016-05-03 13:54:44 +02002008 return use_browser == 1 && perf_hpp_list.sym;
Namhyung Kim48c65bd2014-02-20 10:32:53 +09002009}