blob: 29cf2a5ef6204bdbf7dbc5fc81ea2577c43eec0c [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 Olsac835e192017-10-11 17:01:37 +0200891static void annotation_line__delete(struct annotation_line *al)
892{
893 void *ptr = (void *) al - al->privsize;
894
Jiri Olsa8b4c74d2017-10-11 17:01:41 +0200895 free_srcline(al->path);
Jiri Olsac835e192017-10-11 17:01:37 +0200896 zfree(&al->line);
897 free(ptr);
898}
899
900/*
901 * Allocating the annotation line data with following
902 * structure:
903 *
904 * --------------------------------------
905 * private space | struct annotation_line
906 * --------------------------------------
907 *
908 * Size of the private space is stored in 'struct annotation_line'.
909 *
910 */
911static struct annotation_line *
912annotation_line__new(struct annotate_args *args, size_t privsize)
913{
914 struct annotation_line *al;
Jiri Olsa7e304552017-10-11 17:01:39 +0200915 struct perf_evsel *evsel = args->evsel;
Jiri Olsac835e192017-10-11 17:01:37 +0200916 size_t size = privsize + sizeof(*al);
Jiri Olsa7e304552017-10-11 17:01:39 +0200917 int nr = 1;
918
919 if (perf_evsel__is_group_event(evsel))
920 nr = evsel->nr_members;
921
922 size += sizeof(al->samples[0]) * nr;
Jiri Olsac835e192017-10-11 17:01:37 +0200923
924 al = zalloc(size);
925 if (al) {
926 al = (void *) al + privsize;
927 al->privsize = privsize;
928 al->offset = args->offset;
929 al->line = strdup(args->line);
930 al->line_nr = args->line_nr;
Jiri Olsa7e304552017-10-11 17:01:39 +0200931 al->samples_nr = nr;
Jiri Olsac835e192017-10-11 17:01:37 +0200932 }
933
934 return al;
935}
936
937/*
938 * Allocating the disasm annotation line data with
939 * following structure:
940 *
941 * ------------------------------------------------------------
942 * privsize space | struct disasm_line | struct annotation_line
943 * ------------------------------------------------------------
944 *
945 * We have 'struct annotation_line' member as last member
946 * of 'struct disasm_line' to have an easy access.
947 *
948 */
Jiri Olsa47488342017-10-11 17:01:32 +0200949static struct disasm_line *disasm_line__new(struct annotate_args *args)
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -0200950{
Jiri Olsac835e192017-10-11 17:01:37 +0200951 struct disasm_line *dl = NULL;
952 struct annotation_line *al;
953 size_t privsize = args->privsize + offsetof(struct disasm_line, al);
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -0200954
Jiri Olsac835e192017-10-11 17:01:37 +0200955 al = annotation_line__new(args, privsize);
956 if (al != NULL) {
957 dl = disasm_line(al);
Jiri Olsad5490b92017-10-11 17:01:26 +0200958
959 if (dl->al.line == NULL)
Arnaldo Carvalho de Melo058b4cc2012-04-02 12:59:01 -0300960 goto out_delete;
Arnaldo Carvalho de Melo51454182012-04-15 15:52:18 -0300961
Jiri Olsa47488342017-10-11 17:01:32 +0200962 if (args->offset != -1) {
Jiri Olsad5490b92017-10-11 17:01:26 +0200963 if (disasm_line__parse(dl->al.line, &dl->ins.name, &dl->ops.raw) < 0)
Arnaldo Carvalho de Melo51454182012-04-15 15:52:18 -0300964 goto out_free_line;
965
Jiri Olsa1a04db72017-10-11 17:01:31 +0200966 disasm_line__init_ins(dl, args->arch, args->map);
Arnaldo Carvalho de Melo51454182012-04-15 15:52:18 -0300967 }
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -0200968 }
969
Arnaldo Carvalho de Melo29ed6e72012-04-15 15:24:39 -0300970 return dl;
Arnaldo Carvalho de Melo51454182012-04-15 15:52:18 -0300971
972out_free_line:
Jiri Olsad5490b92017-10-11 17:01:26 +0200973 zfree(&dl->al.line);
Arnaldo Carvalho de Melo058b4cc2012-04-02 12:59:01 -0300974out_delete:
Arnaldo Carvalho de Melo29ed6e72012-04-15 15:24:39 -0300975 free(dl);
Arnaldo Carvalho de Melo058b4cc2012-04-02 12:59:01 -0300976 return NULL;
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -0200977}
978
Arnaldo Carvalho de Melo29ed6e72012-04-15 15:24:39 -0300979void disasm_line__free(struct disasm_line *dl)
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -0200980{
Arnaldo Carvalho de Melo75b49202016-11-24 11:16:06 -0300981 if (dl->ins.ops && dl->ins.ops->free)
982 dl->ins.ops->free(&dl->ops);
Arnaldo Carvalho de Meloc46219ac2012-05-12 13:26:20 -0300983 else
984 ins__delete(&dl->ops);
Arnaldo Carvalho de Melo75b49202016-11-24 11:16:06 -0300985 free((void *)dl->ins.name);
986 dl->ins.name = NULL;
Jiri Olsac835e192017-10-11 17:01:37 +0200987 annotation_line__delete(&dl->al);
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -0200988}
989
Arnaldo Carvalho de Melo54170722012-05-07 18:54:16 -0300990int disasm_line__scnprintf(struct disasm_line *dl, char *bf, size_t size, bool raw)
991{
Arnaldo Carvalho de Melo75b49202016-11-24 11:16:06 -0300992 if (raw || !dl->ins.ops)
993 return scnprintf(bf, size, "%-6.6s %s", dl->ins.name, dl->ops.raw);
Arnaldo Carvalho de Melo54170722012-05-07 18:54:16 -0300994
Arnaldo Carvalho de Melo75b49202016-11-24 11:16:06 -0300995 return ins__scnprintf(&dl->ins, bf, size, &dl->ops);
Arnaldo Carvalho de Melo54170722012-05-07 18:54:16 -0300996}
997
Jiri Olsa82b9d7f2017-10-11 17:01:35 +0200998static void annotation_line__add(struct annotation_line *al, struct list_head *head)
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -0200999{
Jiri Olsa82b9d7f2017-10-11 17:01:35 +02001000 list_add_tail(&al->node, head);
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001001}
1002
Jiri Olsac4c72432017-10-11 17:01:34 +02001003struct annotation_line *
1004annotation_line__next(struct annotation_line *pos, struct list_head *head)
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001005{
Jiri Olsac4c72432017-10-11 17:01:34 +02001006 list_for_each_entry_continue(pos, head, node)
1007 if (pos->offset >= 0)
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001008 return pos;
1009
1010 return NULL;
1011}
1012
Peter Zijlstra70fbe052016-09-05 16:08:12 -03001013static const char *annotate__address_color(struct block_range *br)
1014{
1015 double cov = block_range__coverage(br);
1016
1017 if (cov >= 0) {
1018 /* mark red for >75% coverage */
1019 if (cov > 0.75)
1020 return PERF_COLOR_RED;
1021
1022 /* mark dull for <1% coverage */
1023 if (cov < 0.01)
1024 return PERF_COLOR_NORMAL;
1025 }
1026
1027 return PERF_COLOR_MAGENTA;
1028}
1029
1030static const char *annotate__asm_color(struct block_range *br)
1031{
1032 double cov = block_range__coverage(br);
1033
1034 if (cov >= 0) {
1035 /* mark dull for <1% coverage */
1036 if (cov < 0.01)
1037 return PERF_COLOR_NORMAL;
1038 }
1039
1040 return PERF_COLOR_BLUE;
1041}
1042
1043static void annotate__branch_printf(struct block_range *br, u64 addr)
1044{
1045 bool emit_comment = true;
1046
1047 if (!br)
1048 return;
1049
1050#if 1
1051 if (br->is_target && br->start == addr) {
1052 struct block_range *branch = br;
1053 double p;
1054
1055 /*
1056 * Find matching branch to our target.
1057 */
1058 while (!branch->is_branch)
1059 branch = block_range__next(branch);
1060
1061 p = 100 *(double)br->entry / branch->coverage;
1062
1063 if (p > 0.1) {
1064 if (emit_comment) {
1065 emit_comment = false;
1066 printf("\t#");
1067 }
1068
1069 /*
1070 * The percentage of coverage joined at this target in relation
1071 * to the next branch.
1072 */
1073 printf(" +%.2f%%", p);
1074 }
1075 }
1076#endif
1077 if (br->is_branch && br->end == addr) {
1078 double p = 100*(double)br->taken / br->coverage;
1079
1080 if (p > 0.1) {
1081 if (emit_comment) {
1082 emit_comment = false;
1083 printf("\t#");
1084 }
1085
1086 /*
1087 * The percentage of coverage leaving at this branch, and
1088 * its prediction ratio.
1089 */
1090 printf(" -%.2f%% (p:%.2f%%)", p, 100*(double)br->pred / br->taken);
1091 }
1092 }
1093}
1094
1095
Arnaldo Carvalho de Melo29ed6e72012-04-15 15:24:39 -03001096static int disasm_line__print(struct disasm_line *dl, struct symbol *sym, u64 start,
Namhyung Kimdb8fd072013-03-05 14:53:21 +09001097 struct perf_evsel *evsel, u64 len, int min_pcnt, int printed,
Arnaldo Carvalho de Melo29ed6e72012-04-15 15:24:39 -03001098 int max_lines, struct disasm_line *queue)
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001099{
1100 static const char *prev_line;
1101 static const char *prev_color;
1102
Jiri Olsad5490b92017-10-11 17:01:26 +02001103 if (dl->al.offset != -1) {
Jiri Olsaf681d592017-10-11 17:01:42 +02001104 double max_percent = 0.0;
Namhyung Kimb1dd4432013-03-05 14:53:25 +09001105 int i, nr_percent = 1;
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001106 const char *color;
1107 struct annotation *notes = symbol__annotation(sym);
Jiri Olsad5490b92017-10-11 17:01:26 +02001108 s64 offset = dl->al.offset;
Arnaldo Carvalho de Melo058b4cc2012-04-02 12:59:01 -03001109 const u64 addr = start + offset;
Peter Zijlstra70fbe052016-09-05 16:08:12 -03001110 struct block_range *br;
Arnaldo Carvalho de Meloce6f4fa2011-02-08 13:27:39 -02001111
Jiri Olsaf681d592017-10-11 17:01:42 +02001112 for (i = 0; i < dl->al.samples_nr; i++) {
1113 struct annotation_data *sample = &dl->al.samples[i];
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001114
Jiri Olsaf681d592017-10-11 17:01:42 +02001115 if (sample->percent > max_percent)
1116 max_percent = sample->percent;
Namhyung Kimb1dd4432013-03-05 14:53:25 +09001117 }
1118
1119 if (max_percent < min_pcnt)
Arnaldo Carvalho de Melo36532462011-02-06 14:54:44 -02001120 return -1;
1121
Arnaldo Carvalho de Meloe3087b82011-02-08 15:01:39 -02001122 if (max_lines && printed >= max_lines)
Arnaldo Carvalho de Melo36532462011-02-06 14:54:44 -02001123 return 1;
Arnaldo Carvalho de Melod040bd32011-02-05 15:37:31 -02001124
Arnaldo Carvalho de Melod5e3d742011-02-08 15:29:25 -02001125 if (queue != NULL) {
Jiri Olsaa17c4ca2017-10-11 17:01:25 +02001126 list_for_each_entry_from(queue, &notes->src->source, al.node) {
Arnaldo Carvalho de Melo29ed6e72012-04-15 15:24:39 -03001127 if (queue == dl)
Arnaldo Carvalho de Melod5e3d742011-02-08 15:29:25 -02001128 break;
Namhyung Kimdb8fd072013-03-05 14:53:21 +09001129 disasm_line__print(queue, sym, start, evsel, len,
Arnaldo Carvalho de Melod5e3d742011-02-08 15:29:25 -02001130 0, 0, 1, NULL);
1131 }
1132 }
1133
Namhyung Kimb1dd4432013-03-05 14:53:25 +09001134 color = get_percent_color(max_percent);
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001135
1136 /*
1137 * Also color the filename and line if needed, with
1138 * the same color than the percentage. Don't print it
1139 * twice for close colored addr with the same filename:line
1140 */
Jiri Olsaf681d592017-10-11 17:01:42 +02001141 if (dl->al.path) {
1142 if (!prev_line || strcmp(prev_line, dl->al.path)
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001143 || color != prev_color) {
Jiri Olsaf681d592017-10-11 17:01:42 +02001144 color_fprintf(stdout, color, " %s", dl->al.path);
1145 prev_line = dl->al.path;
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001146 prev_color = color;
1147 }
1148 }
1149
Namhyung Kimb1dd4432013-03-05 14:53:25 +09001150 for (i = 0; i < nr_percent; i++) {
Jiri Olsaf681d592017-10-11 17:01:42 +02001151 struct annotation_data *sample = &dl->al.samples[i];
1152
1153 color = get_percent_color(sample->percent);
Martin Liška0c4a5bc2015-06-19 16:10:43 -03001154
1155 if (symbol_conf.show_total_period)
Arnaldo Carvalho de Meloce9ee4a2017-07-26 17:16:46 -03001156 color_fprintf(stdout, color, " %11" PRIu64,
Jiri Olsaf681d592017-10-11 17:01:42 +02001157 sample->he.period);
Taeung Song1ac39372017-08-18 17:46:48 +09001158 else if (symbol_conf.show_nr_samples)
1159 color_fprintf(stdout, color, " %7" PRIu64,
Jiri Olsaf681d592017-10-11 17:01:42 +02001160 sample->he.nr_samples);
Martin Liška0c4a5bc2015-06-19 16:10:43 -03001161 else
Jiri Olsaf681d592017-10-11 17:01:42 +02001162 color_fprintf(stdout, color, " %7.2f", sample->percent);
Namhyung Kimb1dd4432013-03-05 14:53:25 +09001163 }
1164
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001165 printf(" : ");
Peter Zijlstra70fbe052016-09-05 16:08:12 -03001166
1167 br = block_range__find(addr);
1168 color_fprintf(stdout, annotate__address_color(br), " %" PRIx64 ":", addr);
Jiri Olsad5490b92017-10-11 17:01:26 +02001169 color_fprintf(stdout, annotate__asm_color(br), "%s", dl->al.line);
Peter Zijlstra70fbe052016-09-05 16:08:12 -03001170 annotate__branch_printf(br, addr);
1171 printf("\n");
Arnaldo Carvalho de Meloe3087b82011-02-08 15:01:39 -02001172 } else if (max_lines && printed >= max_lines)
Arnaldo Carvalho de Melo36532462011-02-06 14:54:44 -02001173 return 1;
1174 else {
Arnaldo Carvalho de Meloce9ee4a2017-07-26 17:16:46 -03001175 int width = symbol_conf.show_total_period ? 12 : 8;
Namhyung Kimb1dd4432013-03-05 14:53:25 +09001176
Arnaldo Carvalho de Melod5e3d742011-02-08 15:29:25 -02001177 if (queue)
1178 return -1;
1179
Namhyung Kim759ff492013-03-05 14:53:26 +09001180 if (perf_evsel__is_group_event(evsel))
Namhyung Kimb1dd4432013-03-05 14:53:25 +09001181 width *= evsel->nr_members;
1182
Jiri Olsad5490b92017-10-11 17:01:26 +02001183 if (!*dl->al.line)
Namhyung Kimb1dd4432013-03-05 14:53:25 +09001184 printf(" %*s:\n", width, " ");
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001185 else
Jiri Olsad5490b92017-10-11 17:01:26 +02001186 printf(" %*s: %s\n", width, " ", dl->al.line);
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001187 }
Arnaldo Carvalho de Melo36532462011-02-06 14:54:44 -02001188
1189 return 0;
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001190}
1191
Namhyung Kim3aec1502013-03-05 14:53:22 +09001192/*
1193 * symbol__parse_objdump_line() parses objdump output (with -d --no-show-raw)
1194 * which looks like following
1195 *
1196 * 0000000000415500 <_init>:
1197 * 415500: sub $0x8,%rsp
1198 * 415504: mov 0x2f5ad5(%rip),%rax # 70afe0 <_DYNAMIC+0x2f8>
1199 * 41550b: test %rax,%rax
1200 * 41550e: je 415515 <_init+0x15>
1201 * 415510: callq 416e70 <__gmon_start__@plt>
1202 * 415515: add $0x8,%rsp
1203 * 415519: retq
1204 *
1205 * it will be parsed and saved into struct disasm_line as
1206 * <offset> <name> <ops.raw>
1207 *
1208 * The offset will be a relative offset from the start of the symbol and -1
1209 * means that it's not a disassembly line so should be treated differently.
1210 * The ops.raw part will be parsed further according to type of the instruction.
1211 */
Jiri Olsa1a04db72017-10-11 17:01:31 +02001212static int symbol__parse_objdump_line(struct symbol *sym, FILE *file,
Jiri Olsaea07c5a2017-10-11 17:01:29 +02001213 struct annotate_args *args,
Andi Kleene5924882014-11-12 18:05:26 -08001214 int *line_nr)
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001215{
Jiri Olsa1a04db72017-10-11 17:01:31 +02001216 struct map *map = args->map;
Arnaldo Carvalho de Meloce6f4fa2011-02-08 13:27:39 -02001217 struct annotation *notes = symbol__annotation(sym);
Arnaldo Carvalho de Melo29ed6e72012-04-15 15:24:39 -03001218 struct disasm_line *dl;
Taeung Song4597cf02017-04-08 09:52:24 +09001219 char *line = NULL, *parsed_line, *tmp, *tmp2;
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001220 size_t line_len;
1221 s64 line_ip, offset = -1;
Andi Kleene5924882014-11-12 18:05:26 -08001222 regmatch_t match[2];
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001223
1224 if (getline(&line, &line_len, file) < 0)
1225 return -1;
1226
1227 if (!line)
1228 return -1;
1229
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001230 line_ip = -1;
Taeung Song4597cf02017-04-08 09:52:24 +09001231 parsed_line = rtrim(line);
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001232
Andi Kleene5924882014-11-12 18:05:26 -08001233 /* /filename:linenr ? Save line number and ignore. */
Taeung Song986a5bc2017-04-08 09:52:25 +09001234 if (regexec(&file_lineno, parsed_line, 2, match, 0) == 0) {
1235 *line_nr = atoi(parsed_line + match[1].rm_so);
Andi Kleene5924882014-11-12 18:05:26 -08001236 return 0;
1237 }
1238
Taeung Song4597cf02017-04-08 09:52:24 +09001239 tmp = ltrim(parsed_line);
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001240 if (*tmp) {
1241 /*
1242 * Parse hexa addresses followed by ':'
1243 */
1244 line_ip = strtoull(tmp, &tmp2, 16);
1245 if (*tmp2 != ':' || tmp == tmp2 || tmp2[1] == '\0')
1246 line_ip = -1;
1247 }
1248
1249 if (line_ip != -1) {
1250 u64 start = map__rip_2objdump(map, sym->start),
1251 end = map__rip_2objdump(map, sym->end);
1252
1253 offset = line_ip - start;
Arnaldo Carvalho de Melo2c241bd2014-10-14 17:19:44 -03001254 if ((u64)line_ip < start || (u64)line_ip >= end)
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001255 offset = -1;
Arnaldo Carvalho de Melo058b4cc2012-04-02 12:59:01 -03001256 else
1257 parsed_line = tmp2 + 1;
Namhyung Kima31b7cc2012-04-11 17:04:59 -03001258 }
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001259
Jiri Olsa47488342017-10-11 17:01:32 +02001260 args->offset = offset;
1261 args->line = parsed_line;
1262 args->line_nr = *line_nr;
1263
1264 dl = disasm_line__new(args);
Arnaldo Carvalho de Melo058b4cc2012-04-02 12:59:01 -03001265 free(line);
Andi Kleene5924882014-11-12 18:05:26 -08001266 (*line_nr)++;
Arnaldo Carvalho de Melo058b4cc2012-04-02 12:59:01 -03001267
Arnaldo Carvalho de Melo29ed6e72012-04-15 15:24:39 -03001268 if (dl == NULL)
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001269 return -1;
Arnaldo Carvalho de Melo058b4cc2012-04-02 12:59:01 -03001270
Ravi Bangoriae2168742016-12-05 21:26:47 +05301271 if (!disasm_line__has_offset(dl)) {
Adrian Hunterbbb7f842013-08-07 14:38:54 +03001272 dl->ops.target.offset = dl->ops.target.addr -
1273 map__rip_2objdump(map, sym->start);
Ravi Bangoriae2168742016-12-05 21:26:47 +05301274 dl->ops.target.offset_avail = true;
1275 }
Adrian Hunterbbb7f842013-08-07 14:38:54 +03001276
Adrian Hunter6e427ab2013-10-14 13:43:40 +03001277 /* kcore has no symbols, so add the call target name */
Arnaldo Carvalho de Melo75b49202016-11-24 11:16:06 -03001278 if (dl->ins.ops && ins__is_call(&dl->ins) && !dl->ops.target.name) {
Adrian Hunter6e427ab2013-10-14 13:43:40 +03001279 struct addr_map_symbol target = {
1280 .map = map,
1281 .addr = dl->ops.target.addr,
1282 };
Adrian Hunterb1781702013-08-07 14:38:57 +03001283
Arnaldo Carvalho de Melobe39db92016-09-01 19:25:52 -03001284 if (!map_groups__find_ams(&target) &&
Adrian Hunter6e427ab2013-10-14 13:43:40 +03001285 target.sym->start == target.al_addr)
1286 dl->ops.target.name = strdup(target.sym->name);
Adrian Hunterb1781702013-08-07 14:38:57 +03001287 }
1288
Jiri Olsa82b9d7f2017-10-11 17:01:35 +02001289 annotation_line__add(&dl->al, &notes->src->source);
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001290
1291 return 0;
1292}
1293
Andi Kleene5924882014-11-12 18:05:26 -08001294static __attribute__((constructor)) void symbol__init_regexpr(void)
1295{
1296 regcomp(&file_lineno, "^/[^:]+:([0-9]+)", REG_EXTENDED);
1297}
1298
Adrian Hunter484a5e72013-08-07 14:38:56 +03001299static void delete_last_nop(struct symbol *sym)
1300{
1301 struct annotation *notes = symbol__annotation(sym);
1302 struct list_head *list = &notes->src->source;
1303 struct disasm_line *dl;
1304
1305 while (!list_empty(list)) {
Jiri Olsaa17c4ca2017-10-11 17:01:25 +02001306 dl = list_entry(list->prev, struct disasm_line, al.node);
Adrian Hunter484a5e72013-08-07 14:38:56 +03001307
Arnaldo Carvalho de Melo75b49202016-11-24 11:16:06 -03001308 if (dl->ins.ops) {
1309 if (dl->ins.ops != &nop_ops)
Adrian Hunter484a5e72013-08-07 14:38:56 +03001310 return;
1311 } else {
Jiri Olsad5490b92017-10-11 17:01:26 +02001312 if (!strstr(dl->al.line, " nop ") &&
1313 !strstr(dl->al.line, " nopl ") &&
1314 !strstr(dl->al.line, " nopw "))
Adrian Hunter484a5e72013-08-07 14:38:56 +03001315 return;
1316 }
1317
Jiri Olsaa17c4ca2017-10-11 17:01:25 +02001318 list_del(&dl->al.node);
Adrian Hunter484a5e72013-08-07 14:38:56 +03001319 disasm_line__free(dl);
1320 }
1321}
1322
Arnaldo Carvalho de Meloee51d852016-07-29 16:27:18 -03001323int symbol__strerror_disassemble(struct symbol *sym __maybe_unused, struct map *map,
1324 int errnum, char *buf, size_t buflen)
1325{
1326 struct dso *dso = map->dso;
1327
1328 BUG_ON(buflen == 0);
1329
1330 if (errnum >= 0) {
1331 str_error_r(errnum, buf, buflen);
1332 return 0;
1333 }
1334
1335 switch (errnum) {
1336 case SYMBOL_ANNOTATE_ERRNO__NO_VMLINUX: {
1337 char bf[SBUILD_ID_SIZE + 15] = " with build id ";
1338 char *build_id_msg = NULL;
1339
1340 if (dso->has_build_id) {
1341 build_id__sprintf(dso->build_id,
1342 sizeof(dso->build_id), bf + 15);
1343 build_id_msg = bf;
1344 }
1345 scnprintf(buf, buflen,
1346 "No vmlinux file%s\nwas found in the path.\n\n"
1347 "Note that annotation using /proc/kcore requires CAP_SYS_RAWIO capability.\n\n"
1348 "Please use:\n\n"
1349 " perf buildid-cache -vu vmlinux\n\n"
1350 "or:\n\n"
1351 " --vmlinux vmlinux\n", build_id_msg ?: "");
1352 }
1353 break;
1354 default:
1355 scnprintf(buf, buflen, "Internal error: Invalid %d error code\n", errnum);
1356 break;
1357 }
1358
1359 return 0;
1360}
1361
Arnaldo Carvalho de Melo05ed3ac2016-08-09 15:32:53 -03001362static int dso__disassemble_filename(struct dso *dso, char *filename, size_t filename_size)
1363{
1364 char linkname[PATH_MAX];
1365 char *build_id_filename;
Taeung Song6ebd2542017-03-27 16:10:36 +09001366 char *build_id_path = NULL;
Namhyung Kim3619ef72017-06-08 16:31:01 +09001367 char *pos;
Arnaldo Carvalho de Melo05ed3ac2016-08-09 15:32:53 -03001368
1369 if (dso->symtab_type == DSO_BINARY_TYPE__KALLSYMS &&
1370 !dso__is_kcore(dso))
1371 return SYMBOL_ANNOTATE_ERRNO__NO_VMLINUX;
1372
Krister Johansend2396992017-07-05 18:48:13 -07001373 build_id_filename = dso__build_id_filename(dso, NULL, 0, false);
Arnaldo Carvalho de Melo05ed3ac2016-08-09 15:32:53 -03001374 if (build_id_filename) {
1375 __symbol__join_symfs(filename, filename_size, build_id_filename);
1376 free(build_id_filename);
1377 } else {
1378 if (dso->has_build_id)
1379 return ENOMEM;
1380 goto fallback;
1381 }
1382
Taeung Song6ebd2542017-03-27 16:10:36 +09001383 build_id_path = strdup(filename);
1384 if (!build_id_path)
1385 return -1;
1386
Namhyung Kim3619ef72017-06-08 16:31:01 +09001387 /*
1388 * old style build-id cache has name of XX/XXXXXXX.. while
1389 * new style has XX/XXXXXXX../{elf,kallsyms,vdso}.
1390 * extract the build-id part of dirname in the new style only.
1391 */
1392 pos = strrchr(build_id_path, '/');
1393 if (pos && strlen(pos) < SBUILD_ID_SIZE - 2)
1394 dirname(build_id_path);
Taeung Song6ebd2542017-03-27 16:10:36 +09001395
Arnaldo Carvalho de Melo05ed3ac2016-08-09 15:32:53 -03001396 if (dso__is_kcore(dso) ||
Taeung Song6ebd2542017-03-27 16:10:36 +09001397 readlink(build_id_path, linkname, sizeof(linkname)) < 0 ||
Arnaldo Carvalho de Melo05ed3ac2016-08-09 15:32:53 -03001398 strstr(linkname, DSO__NAME_KALLSYMS) ||
1399 access(filename, R_OK)) {
1400fallback:
1401 /*
1402 * If we don't have build-ids or the build-id file isn't in the
1403 * cache, or is just a kallsyms file, well, lets hope that this
1404 * DSO is the same as when 'perf record' ran.
1405 */
1406 __symbol__join_symfs(filename, filename_size, dso->long_name);
1407 }
1408
Taeung Song6ebd2542017-03-27 16:10:36 +09001409 free(build_id_path);
Arnaldo Carvalho de Melo05ed3ac2016-08-09 15:32:53 -03001410 return 0;
1411}
1412
Arnaldo Carvalho de Melo786c1b52016-11-16 15:39:50 -03001413static const char *annotate__norm_arch(const char *arch_name)
1414{
1415 struct utsname uts;
1416
1417 if (!arch_name) { /* Assume we are annotating locally. */
1418 if (uname(&uts) < 0)
1419 return NULL;
1420 arch_name = uts.machine;
1421 }
1422 return normalize_arch((char *)arch_name);
1423}
1424
Jiri Olsa1a04db72017-10-11 17:01:31 +02001425static int symbol__disassemble(struct symbol *sym, struct annotate_args *args)
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001426{
Jiri Olsa1a04db72017-10-11 17:01:31 +02001427 struct map *map = args->map;
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001428 struct dso *dso = map->dso;
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001429 char command[PATH_MAX * 2];
1430 FILE *file;
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001431 char symfs_filename[PATH_MAX];
Adrian Hunterafba19d2013-10-09 15:01:12 +03001432 struct kcore_extract kce;
1433 bool delete_extract = false;
Arnaldo Carvalho de Melo9955d0b2016-06-15 15:48:08 -03001434 int stdout_fd[2];
Andi Kleene5924882014-11-12 18:05:26 -08001435 int lineno = 0;
Andi Kleen62ec9b32015-11-05 19:06:07 -08001436 int nline;
Arnaldo Carvalho de Melo9955d0b2016-06-15 15:48:08 -03001437 pid_t pid;
Arnaldo Carvalho de Melo05ed3ac2016-08-09 15:32:53 -03001438 int err = dso__disassemble_filename(dso, symfs_filename, sizeof(symfs_filename));
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001439
Arnaldo Carvalho de Melo05ed3ac2016-08-09 15:32:53 -03001440 if (err)
1441 return err;
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001442
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001443 pr_debug("%s: filename=%s, sym=%s, start=%#" PRIx64 ", end=%#" PRIx64 "\n", __func__,
Arnaldo Carvalho de Melo3caee092016-08-09 15:16:37 -03001444 symfs_filename, sym->name, map->unmap_ip(map, sym->start),
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001445 map->unmap_ip(map, sym->end));
1446
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001447 pr_debug("annotating [%p] %30s : [%p] %30s\n",
1448 dso, dso->long_name, sym, sym->name);
1449
Adrian Hunterafba19d2013-10-09 15:01:12 +03001450 if (dso__is_kcore(dso)) {
1451 kce.kcore_filename = symfs_filename;
1452 kce.addr = map__rip_2objdump(map, sym->start);
1453 kce.offs = sym->start;
Arnaldo Carvalho de Melo2c241bd2014-10-14 17:19:44 -03001454 kce.len = sym->end - sym->start;
Adrian Hunterafba19d2013-10-09 15:01:12 +03001455 if (!kcore_extract__create(&kce)) {
1456 delete_extract = true;
1457 strlcpy(symfs_filename, kce.extract_filename,
1458 sizeof(symfs_filename));
Adrian Hunterafba19d2013-10-09 15:01:12 +03001459 }
Jiri Olsa2c7da8c2015-03-02 12:56:12 -05001460 } else if (dso__needs_decompress(dso)) {
Namhyung Kim3c84fd52017-06-08 16:31:04 +09001461 char tmp[KMOD_DECOMP_LEN];
Jiri Olsa2c7da8c2015-03-02 12:56:12 -05001462
Namhyung Kim3c84fd52017-06-08 16:31:04 +09001463 if (dso__decompress_kmodule_path(dso, symfs_filename,
1464 tmp, sizeof(tmp)) < 0)
Arnaldo Carvalho de Melo3caee092016-08-09 15:16:37 -03001465 goto out;
Jiri Olsa2c7da8c2015-03-02 12:56:12 -05001466
1467 strcpy(symfs_filename, tmp);
Adrian Hunterafba19d2013-10-09 15:01:12 +03001468 }
1469
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001470 snprintf(command, sizeof(command),
Maciek Borzecki7a4ec932012-09-04 12:32:30 +02001471 "%s %s%s --start-address=0x%016" PRIx64
Stephane Eranian3e6a2a72011-05-17 17:32:07 +02001472 " --stop-address=0x%016" PRIx64
Ravi Bangoria7b4500b2017-05-05 15:44:17 +05301473 " -l -d %s %s -C \"%s\" 2>/dev/null|grep -v \"%s:\"|expand",
Maciek Borzecki7a4ec932012-09-04 12:32:30 +02001474 objdump_path ? objdump_path : "objdump",
Andi Kleenf69b64f2011-09-15 14:31:41 -07001475 disassembler_style ? "-M " : "",
1476 disassembler_style ? disassembler_style : "",
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001477 map__rip_2objdump(map, sym->start),
Arnaldo Carvalho de Melo2c241bd2014-10-14 17:19:44 -03001478 map__rip_2objdump(map, sym->end),
Stephane Eranian3e6a2a72011-05-17 17:32:07 +02001479 symbol_conf.annotate_asm_raw ? "" : "--no-show-raw",
1480 symbol_conf.annotate_src ? "-S" : "",
Arnaldo Carvalho de Melo3caee092016-08-09 15:16:37 -03001481 symfs_filename, symfs_filename);
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001482
1483 pr_debug("Executing: %s\n", command);
1484
Arnaldo Carvalho de Melo9955d0b2016-06-15 15:48:08 -03001485 err = -1;
1486 if (pipe(stdout_fd) < 0) {
1487 pr_err("Failure creating the pipe to run %s\n", command);
1488 goto out_remove_tmp;
1489 }
1490
1491 pid = fork();
1492 if (pid < 0) {
1493 pr_err("Failure forking to run %s\n", command);
1494 goto out_close_stdout;
1495 }
1496
1497 if (pid == 0) {
1498 close(stdout_fd[0]);
1499 dup2(stdout_fd[1], 1);
1500 close(stdout_fd[1]);
1501 execl("/bin/sh", "sh", "-c", command, NULL);
1502 perror(command);
1503 exit(-1);
1504 }
1505
1506 close(stdout_fd[1]);
1507
1508 file = fdopen(stdout_fd[0], "r");
Andi Kleen62ec9b32015-11-05 19:06:07 -08001509 if (!file) {
Arnaldo Carvalho de Melo9955d0b2016-06-15 15:48:08 -03001510 pr_err("Failure creating FILE stream for %s\n", command);
Andi Kleen62ec9b32015-11-05 19:06:07 -08001511 /*
1512 * If we were using debug info should retry with
1513 * original binary.
1514 */
Jiri Olsa2c7da8c2015-03-02 12:56:12 -05001515 goto out_remove_tmp;
Andi Kleen62ec9b32015-11-05 19:06:07 -08001516 }
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001517
Andi Kleen62ec9b32015-11-05 19:06:07 -08001518 nline = 0;
1519 while (!feof(file)) {
Arnaldo Carvalho de Meloed7b3392017-03-21 16:00:50 -03001520 /*
1521 * The source code line number (lineno) needs to be kept in
1522 * accross calls to symbol__parse_objdump_line(), so that it
1523 * can associate it with the instructions till the next one.
1524 * See disasm_line__new() and struct disasm_line::line_nr.
1525 */
Jiri Olsa1a04db72017-10-11 17:01:31 +02001526 if (symbol__parse_objdump_line(sym, file, args, &lineno) < 0)
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001527 break;
Andi Kleen62ec9b32015-11-05 19:06:07 -08001528 nline++;
1529 }
1530
1531 if (nline == 0)
1532 pr_err("No output from %s\n", command);
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001533
Adrian Hunter484a5e72013-08-07 14:38:56 +03001534 /*
1535 * kallsyms does not have symbol sizes so there may a nop at the end.
1536 * Remove it.
1537 */
1538 if (dso__is_kcore(dso))
1539 delete_last_nop(sym);
1540
Arnaldo Carvalho de Melo9955d0b2016-06-15 15:48:08 -03001541 fclose(file);
1542 err = 0;
Jiri Olsa2c7da8c2015-03-02 12:56:12 -05001543out_remove_tmp:
Arnaldo Carvalho de Melo9955d0b2016-06-15 15:48:08 -03001544 close(stdout_fd[0]);
1545
Jiri Olsa2c7da8c2015-03-02 12:56:12 -05001546 if (dso__needs_decompress(dso))
1547 unlink(symfs_filename);
Arnaldo Carvalho de Melo3caee092016-08-09 15:16:37 -03001548
Adrian Hunterafba19d2013-10-09 15:01:12 +03001549 if (delete_extract)
1550 kcore_extract__delete(&kce);
Arnaldo Carvalho de Meloc12944f2016-08-09 14:56:13 -03001551out:
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001552 return err;
Arnaldo Carvalho de Melo9955d0b2016-06-15 15:48:08 -03001553
1554out_close_stdout:
1555 close(stdout_fd[1]);
1556 goto out_remove_tmp;
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001557}
1558
Jiri Olsa073ae602017-10-11 17:01:40 +02001559static void calc_percent(struct sym_hist *hist,
1560 struct annotation_data *sample,
1561 s64 offset, s64 end)
1562{
1563 unsigned int hits = 0;
1564 u64 period = 0;
1565
1566 while (offset < end) {
1567 hits += hist->addr[offset].nr_samples;
1568 period += hist->addr[offset].period;
1569 ++offset;
1570 }
1571
1572 if (hist->nr_samples) {
1573 sample->he.period = period;
1574 sample->he.nr_samples = hits;
1575 sample->percent = 100.0 * hits / hist->nr_samples;
1576 }
1577}
1578
1579static int annotation__calc_percent(struct annotation *notes,
1580 struct perf_evsel *evsel, s64 len)
1581{
1582 struct annotation_line *al, *next;
1583
1584 list_for_each_entry(al, &notes->src->source, node) {
1585 s64 end;
1586 int i;
1587
1588 if (al->offset == -1)
1589 continue;
1590
1591 next = annotation_line__next(al, &notes->src->source);
1592 end = next ? next->offset : len;
1593
1594 for (i = 0; i < al->samples_nr; i++) {
1595 struct annotation_data *sample;
1596 struct sym_hist *hist;
1597
1598 hist = annotation__histogram(notes, evsel->idx + i);
1599 sample = &al->samples[i];
1600
1601 calc_percent(hist, sample, al->offset, end);
1602 }
1603 }
1604
1605 return 0;
1606}
1607
1608int symbol__calc_percent(struct symbol *sym, struct perf_evsel *evsel)
1609{
1610 struct annotation *notes = symbol__annotation(sym);
1611
1612 return annotation__calc_percent(notes, evsel, symbol__size(sym));
1613}
1614
Jiri Olsac34df252017-10-11 17:01:28 +02001615int symbol__annotate(struct symbol *sym, struct map *map,
Jiri Olsad03a6862017-10-11 17:01:33 +02001616 struct perf_evsel *evsel, size_t privsize,
Jiri Olsac34df252017-10-11 17:01:28 +02001617 struct arch **parch, char *cpuid)
1618{
Jiri Olsaea07c5a2017-10-11 17:01:29 +02001619 struct annotate_args args = {
1620 .privsize = privsize,
Jiri Olsa1a04db72017-10-11 17:01:31 +02001621 .map = map,
Jiri Olsad03a6862017-10-11 17:01:33 +02001622 .evsel = evsel,
Jiri Olsaea07c5a2017-10-11 17:01:29 +02001623 };
Jiri Olsad03a6862017-10-11 17:01:33 +02001624 const char *arch_name = NULL;
Jiri Olsac34df252017-10-11 17:01:28 +02001625 struct arch *arch;
1626 int err;
1627
Jiri Olsad03a6862017-10-11 17:01:33 +02001628 if (evsel)
1629 arch_name = perf_evsel__env_arch(evsel);
1630
Jiri Olsac34df252017-10-11 17:01:28 +02001631 arch_name = annotate__norm_arch(arch_name);
1632 if (!arch_name)
1633 return -1;
1634
Jiri Olsa24fe7b82017-10-11 17:01:30 +02001635 args.arch = arch = arch__find(arch_name);
Jiri Olsac34df252017-10-11 17:01:28 +02001636 if (arch == NULL)
1637 return -ENOTSUP;
1638
1639 if (parch)
1640 *parch = arch;
1641
1642 if (arch->init) {
1643 err = arch->init(arch, cpuid);
1644 if (err) {
1645 pr_err("%s: failed to initialize %s arch priv area\n", __func__, arch->name);
1646 return err;
1647 }
1648 }
1649
Jiri Olsa073ae602017-10-11 17:01:40 +02001650 err = symbol__disassemble(sym, &args);
1651 if (err)
1652 return err;
1653
1654 return symbol__calc_percent(sym, evsel);
Jiri Olsac34df252017-10-11 17:01:28 +02001655}
1656
Jiri Olsa8b4c74d2017-10-11 17:01:41 +02001657static void insert_source_line(struct rb_root *root, struct annotation_line *al)
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001658{
Jiri Olsa8b4c74d2017-10-11 17:01:41 +02001659 struct annotation_line *iter;
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001660 struct rb_node **p = &root->rb_node;
1661 struct rb_node *parent = NULL;
Namhyung Kim1491c222013-03-05 14:53:28 +09001662 int i, ret;
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001663
1664 while (*p != NULL) {
1665 parent = *p;
Jiri Olsa8b4c74d2017-10-11 17:01:41 +02001666 iter = rb_entry(parent, struct annotation_line, rb_node);
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001667
Jiri Olsa8b4c74d2017-10-11 17:01:41 +02001668 ret = strcmp(iter->path, al->path);
Namhyung Kim41127962012-11-09 14:58:49 +09001669 if (ret == 0) {
Jiri Olsa8b4c74d2017-10-11 17:01:41 +02001670 for (i = 0; i < al->samples_nr; i++)
1671 iter->samples[i].percent_sum += al->samples[i].percent;
Namhyung Kim41127962012-11-09 14:58:49 +09001672 return;
1673 }
1674
1675 if (ret < 0)
1676 p = &(*p)->rb_left;
1677 else
1678 p = &(*p)->rb_right;
1679 }
1680
Jiri Olsa8b4c74d2017-10-11 17:01:41 +02001681 for (i = 0; i < al->samples_nr; i++)
1682 al->samples[i].percent_sum = al->samples[i].percent;
Namhyung Kim41127962012-11-09 14:58:49 +09001683
Jiri Olsa8b4c74d2017-10-11 17:01:41 +02001684 rb_link_node(&al->rb_node, parent, p);
1685 rb_insert_color(&al->rb_node, root);
Namhyung Kim41127962012-11-09 14:58:49 +09001686}
1687
Jiri Olsa8b4c74d2017-10-11 17:01:41 +02001688static int cmp_source_line(struct annotation_line *a, struct annotation_line *b)
Namhyung Kim1491c222013-03-05 14:53:28 +09001689{
1690 int i;
1691
Jiri Olsa8b4c74d2017-10-11 17:01:41 +02001692 for (i = 0; i < a->samples_nr; i++) {
Arnaldo Carvalho de Melo276af92f2015-06-19 16:36:12 -03001693 if (a->samples[i].percent_sum == b->samples[i].percent_sum)
Namhyung Kim1491c222013-03-05 14:53:28 +09001694 continue;
Arnaldo Carvalho de Melo276af92f2015-06-19 16:36:12 -03001695 return a->samples[i].percent_sum > b->samples[i].percent_sum;
Namhyung Kim1491c222013-03-05 14:53:28 +09001696 }
1697
1698 return 0;
1699}
1700
Jiri Olsa8b4c74d2017-10-11 17:01:41 +02001701static void __resort_source_line(struct rb_root *root, struct annotation_line *al)
Namhyung Kim41127962012-11-09 14:58:49 +09001702{
Jiri Olsa8b4c74d2017-10-11 17:01:41 +02001703 struct annotation_line *iter;
Namhyung Kim41127962012-11-09 14:58:49 +09001704 struct rb_node **p = &root->rb_node;
1705 struct rb_node *parent = NULL;
1706
1707 while (*p != NULL) {
1708 parent = *p;
Jiri Olsa8b4c74d2017-10-11 17:01:41 +02001709 iter = rb_entry(parent, struct annotation_line, rb_node);
Namhyung Kim41127962012-11-09 14:58:49 +09001710
Jiri Olsa8b4c74d2017-10-11 17:01:41 +02001711 if (cmp_source_line(al, iter))
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001712 p = &(*p)->rb_left;
1713 else
1714 p = &(*p)->rb_right;
1715 }
1716
Jiri Olsa8b4c74d2017-10-11 17:01:41 +02001717 rb_link_node(&al->rb_node, parent, p);
1718 rb_insert_color(&al->rb_node, root);
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001719}
1720
Namhyung Kim41127962012-11-09 14:58:49 +09001721static void resort_source_line(struct rb_root *dest_root, struct rb_root *src_root)
1722{
Jiri Olsa8b4c74d2017-10-11 17:01:41 +02001723 struct annotation_line *al;
Namhyung Kim41127962012-11-09 14:58:49 +09001724 struct rb_node *node;
1725
1726 node = rb_first(src_root);
1727 while (node) {
1728 struct rb_node *next;
1729
Jiri Olsa8b4c74d2017-10-11 17:01:41 +02001730 al = rb_entry(node, struct annotation_line, rb_node);
Namhyung Kim41127962012-11-09 14:58:49 +09001731 next = rb_next(node);
1732 rb_erase(node, src_root);
1733
Jiri Olsa8b4c74d2017-10-11 17:01:41 +02001734 __resort_source_line(dest_root, al);
Namhyung Kim41127962012-11-09 14:58:49 +09001735 node = next;
1736 }
1737}
1738
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001739static void print_summary(struct rb_root *root, const char *filename)
1740{
Jiri Olsa8b4c74d2017-10-11 17:01:41 +02001741 struct annotation_line *al;
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001742 struct rb_node *node;
1743
1744 printf("\nSorted summary for file %s\n", filename);
1745 printf("----------------------------------------------\n\n");
1746
1747 if (RB_EMPTY_ROOT(root)) {
1748 printf(" Nothing higher than %1.1f%%\n", MIN_GREEN);
1749 return;
1750 }
1751
1752 node = rb_first(root);
1753 while (node) {
Namhyung Kim1491c222013-03-05 14:53:28 +09001754 double percent, percent_max = 0.0;
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001755 const char *color;
1756 char *path;
Namhyung Kim1491c222013-03-05 14:53:28 +09001757 int i;
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001758
Jiri Olsa8b4c74d2017-10-11 17:01:41 +02001759 al = rb_entry(node, struct annotation_line, rb_node);
1760 for (i = 0; i < al->samples_nr; i++) {
1761 percent = al->samples[i].percent_sum;
Namhyung Kim1491c222013-03-05 14:53:28 +09001762 color = get_percent_color(percent);
1763 color_fprintf(stdout, color, " %7.2f", percent);
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001764
Namhyung Kim1491c222013-03-05 14:53:28 +09001765 if (percent > percent_max)
1766 percent_max = percent;
1767 }
1768
Jiri Olsa8b4c74d2017-10-11 17:01:41 +02001769 path = al->path;
Namhyung Kim1491c222013-03-05 14:53:28 +09001770 color = get_percent_color(percent_max);
Namhyung Kimf048d542013-09-11 14:09:28 +09001771 color_fprintf(stdout, color, " %s\n", path);
Namhyung Kim1491c222013-03-05 14:53:28 +09001772
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001773 node = rb_next(node);
1774 }
1775}
1776
Namhyung Kimdb8fd072013-03-05 14:53:21 +09001777static void symbol__annotate_hits(struct symbol *sym, struct perf_evsel *evsel)
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001778{
1779 struct annotation *notes = symbol__annotation(sym);
Namhyung Kimdb8fd072013-03-05 14:53:21 +09001780 struct sym_hist *h = annotation__histogram(notes, evsel->idx);
Arnaldo Carvalho de Melo1b2e2df2012-04-19 10:57:06 -03001781 u64 len = symbol__size(sym), offset;
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001782
1783 for (offset = 0; offset < len; ++offset)
Taeung Song896bccd2017-07-20 06:36:45 +09001784 if (h->addr[offset].nr_samples != 0)
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001785 printf("%*" PRIx64 ": %" PRIu64 "\n", BITS_PER_LONG / 2,
Taeung Song896bccd2017-07-20 06:36:45 +09001786 sym->start + offset, h->addr[offset].nr_samples);
Taeung Song8158683d2017-07-20 06:36:51 +09001787 printf("%*s: %" PRIu64 "\n", BITS_PER_LONG / 2, "h->nr_samples", h->nr_samples);
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001788}
1789
Namhyung Kimdb8fd072013-03-05 14:53:21 +09001790int symbol__annotate_printf(struct symbol *sym, struct map *map,
1791 struct perf_evsel *evsel, bool full_paths,
1792 int min_pcnt, int max_lines, int context)
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001793{
1794 struct dso *dso = map->dso;
David Ahernbfd14b92012-09-08 09:06:50 -06001795 char *filename;
1796 const char *d_filename;
Arnaldo Carvalho de Melo9cdbadce2014-03-18 11:50:21 -03001797 const char *evsel_name = perf_evsel__name(evsel);
Arnaldo Carvalho de Meloce6f4fa2011-02-08 13:27:39 -02001798 struct annotation *notes = symbol__annotation(sym);
Peter Zijlstra (Intel)135cce12016-06-30 10:29:55 +02001799 struct sym_hist *h = annotation__histogram(notes, evsel->idx);
Arnaldo Carvalho de Melo29ed6e72012-04-15 15:24:39 -03001800 struct disasm_line *pos, *queue = NULL;
Arnaldo Carvalho de Melo058b4cc2012-04-02 12:59:01 -03001801 u64 start = map__rip_2objdump(map, sym->start);
Arnaldo Carvalho de Melod5e3d742011-02-08 15:29:25 -02001802 int printed = 2, queue_len = 0;
Arnaldo Carvalho de Melo36532462011-02-06 14:54:44 -02001803 int more = 0;
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001804 u64 len;
Arnaldo Carvalho de Meloce9ee4a2017-07-26 17:16:46 -03001805 int width = symbol_conf.show_total_period ? 12 : 8;
Peter Zijlstra (Intel)53dd9b52016-06-30 09:17:26 -03001806 int graph_dotted_len;
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001807
David Ahernbfd14b92012-09-08 09:06:50 -06001808 filename = strdup(dso->long_name);
1809 if (!filename)
1810 return -ENOMEM;
1811
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001812 if (full_paths)
1813 d_filename = filename;
1814 else
1815 d_filename = basename(filename);
1816
Arnaldo Carvalho de Melo1b2e2df2012-04-19 10:57:06 -03001817 len = symbol__size(sym);
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001818
Namhyung Kim759ff492013-03-05 14:53:26 +09001819 if (perf_evsel__is_group_event(evsel))
Namhyung Kimb1dd4432013-03-05 14:53:25 +09001820 width *= evsel->nr_members;
1821
Peter Zijlstra (Intel)135cce12016-06-30 10:29:55 +02001822 graph_dotted_len = printf(" %-*.*s| Source code & Disassembly of %s for %s (%" PRIu64 " samples)\n",
Taeung Song1ac39372017-08-18 17:46:48 +09001823 width, width, symbol_conf.show_total_period ? "Period" :
1824 symbol_conf.show_nr_samples ? "Samples" : "Percent",
Taeung Song38d2dcd2017-07-25 06:28:42 +09001825 d_filename, evsel_name, h->nr_samples);
Arnaldo Carvalho de Melo9cdbadce2014-03-18 11:50:21 -03001826
Peter Zijlstra (Intel)53dd9b52016-06-30 09:17:26 -03001827 printf("%-*.*s----\n",
Arnaldo Carvalho de Melo9cdbadce2014-03-18 11:50:21 -03001828 graph_dotted_len, graph_dotted_len, graph_dotted_line);
Arnaldo Carvalho de Melof1e27012011-02-05 18:51:38 -02001829
Namhyung Kimbb963e12017-02-17 17:17:38 +09001830 if (verbose > 0)
Namhyung Kimdb8fd072013-03-05 14:53:21 +09001831 symbol__annotate_hits(sym, evsel);
Arnaldo Carvalho de Melof1e27012011-02-05 18:51:38 -02001832
Jiri Olsaa17c4ca2017-10-11 17:01:25 +02001833 list_for_each_entry(pos, &notes->src->source, al.node) {
Arnaldo Carvalho de Melod5e3d742011-02-08 15:29:25 -02001834 if (context && queue == NULL) {
1835 queue = pos;
1836 queue_len = 0;
1837 }
1838
Namhyung Kimdb8fd072013-03-05 14:53:21 +09001839 switch (disasm_line__print(pos, sym, start, evsel, len,
Arnaldo Carvalho de Melo058b4cc2012-04-02 12:59:01 -03001840 min_pcnt, printed, max_lines,
1841 queue)) {
Arnaldo Carvalho de Melo36532462011-02-06 14:54:44 -02001842 case 0:
1843 ++printed;
Arnaldo Carvalho de Melod5e3d742011-02-08 15:29:25 -02001844 if (context) {
1845 printed += queue_len;
1846 queue = NULL;
1847 queue_len = 0;
1848 }
Arnaldo Carvalho de Melof1e27012011-02-05 18:51:38 -02001849 break;
Arnaldo Carvalho de Melo36532462011-02-06 14:54:44 -02001850 case 1:
1851 /* filtered by max_lines */
1852 ++more;
1853 break;
1854 case -1:
1855 default:
Arnaldo Carvalho de Melod5e3d742011-02-08 15:29:25 -02001856 /*
1857 * Filtered by min_pcnt or non IP lines when
1858 * context != 0
1859 */
1860 if (!context)
1861 break;
1862 if (queue_len == context)
Jiri Olsaa17c4ca2017-10-11 17:01:25 +02001863 queue = list_entry(queue->al.node.next, typeof(*queue), al.node);
Arnaldo Carvalho de Melod5e3d742011-02-08 15:29:25 -02001864 else
1865 ++queue_len;
Arnaldo Carvalho de Melo36532462011-02-06 14:54:44 -02001866 break;
1867 }
1868 }
Arnaldo Carvalho de Melof1e27012011-02-05 18:51:38 -02001869
David Ahernbfd14b92012-09-08 09:06:50 -06001870 free(filename);
1871
Arnaldo Carvalho de Melo36532462011-02-06 14:54:44 -02001872 return more;
1873}
1874
1875void symbol__annotate_zero_histogram(struct symbol *sym, int evidx)
1876{
1877 struct annotation *notes = symbol__annotation(sym);
1878 struct sym_hist *h = annotation__histogram(notes, evidx);
1879
Arnaldo Carvalho de Meloce6f4fa2011-02-08 13:27:39 -02001880 memset(h, 0, notes->src->sizeof_sym_hist);
Arnaldo Carvalho de Melo36532462011-02-06 14:54:44 -02001881}
1882
Arnaldo Carvalho de Meloce6f4fa2011-02-08 13:27:39 -02001883void symbol__annotate_decay_histogram(struct symbol *sym, int evidx)
Arnaldo Carvalho de Melo36532462011-02-06 14:54:44 -02001884{
1885 struct annotation *notes = symbol__annotation(sym);
1886 struct sym_hist *h = annotation__histogram(notes, evidx);
Arnaldo Carvalho de Melo1b2e2df2012-04-19 10:57:06 -03001887 int len = symbol__size(sym), offset;
Arnaldo Carvalho de Melo36532462011-02-06 14:54:44 -02001888
Taeung Song8158683d2017-07-20 06:36:51 +09001889 h->nr_samples = 0;
Arnaldo Carvalho de Melo8b84a562012-04-05 16:15:59 -03001890 for (offset = 0; offset < len; ++offset) {
Taeung Song896bccd2017-07-20 06:36:45 +09001891 h->addr[offset].nr_samples = h->addr[offset].nr_samples * 7 / 8;
Taeung Song8158683d2017-07-20 06:36:51 +09001892 h->nr_samples += h->addr[offset].nr_samples;
Arnaldo Carvalho de Melof1e27012011-02-05 18:51:38 -02001893 }
1894}
1895
Jiri Olsaf8eb37b2017-10-11 17:01:38 +02001896void annotated_source__purge(struct annotated_source *as)
Arnaldo Carvalho de Melof1e27012011-02-05 18:51:38 -02001897{
Jiri Olsaf8eb37b2017-10-11 17:01:38 +02001898 struct annotation_line *al, *n;
Arnaldo Carvalho de Melof1e27012011-02-05 18:51:38 -02001899
Jiri Olsaf8eb37b2017-10-11 17:01:38 +02001900 list_for_each_entry_safe(al, n, &as->source, node) {
1901 list_del(&al->node);
1902 disasm_line__free(disasm_line(al));
Arnaldo Carvalho de Melof1e27012011-02-05 18:51:38 -02001903 }
1904}
1905
Arnaldo Carvalho de Melo51454182012-04-15 15:52:18 -03001906static size_t disasm_line__fprintf(struct disasm_line *dl, FILE *fp)
1907{
1908 size_t printed;
1909
Jiri Olsad5490b92017-10-11 17:01:26 +02001910 if (dl->al.offset == -1)
1911 return fprintf(fp, "%s\n", dl->al.line);
Arnaldo Carvalho de Melo51454182012-04-15 15:52:18 -03001912
Jiri Olsad5490b92017-10-11 17:01:26 +02001913 printed = fprintf(fp, "%#" PRIx64 " %s", dl->al.offset, dl->ins.name);
Arnaldo Carvalho de Melo51454182012-04-15 15:52:18 -03001914
Arnaldo Carvalho de Meloc7e6ead2012-04-20 14:38:46 -03001915 if (dl->ops.raw[0] != '\0') {
Arnaldo Carvalho de Melo51454182012-04-15 15:52:18 -03001916 printed += fprintf(fp, "%.*s %s\n", 6 - (int)printed, " ",
Arnaldo Carvalho de Meloc7e6ead2012-04-20 14:38:46 -03001917 dl->ops.raw);
Arnaldo Carvalho de Melo51454182012-04-15 15:52:18 -03001918 }
1919
1920 return printed + fprintf(fp, "\n");
1921}
1922
1923size_t disasm__fprintf(struct list_head *head, FILE *fp)
1924{
1925 struct disasm_line *pos;
1926 size_t printed = 0;
1927
Jiri Olsaa17c4ca2017-10-11 17:01:25 +02001928 list_for_each_entry(pos, head, al.node)
Arnaldo Carvalho de Melo51454182012-04-15 15:52:18 -03001929 printed += disasm_line__fprintf(pos, fp);
1930
1931 return printed;
1932}
1933
Jiri Olsa8b4c74d2017-10-11 17:01:41 +02001934static void annotation__calc_lines(struct annotation *notes, struct map *map,
1935 struct rb_root *root, u64 start)
1936{
1937 struct annotation_line *al;
1938 struct rb_root tmp_root = RB_ROOT;
1939
1940 list_for_each_entry(al, &notes->src->source, node) {
1941 double percent_max = 0.0;
1942 int i;
1943
1944 for (i = 0; i < al->samples_nr; i++) {
1945 struct annotation_data *sample;
1946
1947 sample = &al->samples[i];
1948
1949 if (sample->percent > percent_max)
1950 percent_max = sample->percent;
1951 }
1952
1953 if (percent_max <= 0.5)
1954 continue;
1955
1956 al->path = get_srcline(map->dso, start + al->offset, NULL, false, true);
1957 insert_source_line(&tmp_root, al);
1958 }
1959
1960 resort_source_line(root, &tmp_root);
1961}
1962
1963static void symbol__calc_lines(struct symbol *sym, struct map *map,
1964 struct rb_root *root)
1965{
1966 struct annotation *notes = symbol__annotation(sym);
1967 u64 start = map__rip_2objdump(map, sym->start);
1968
1969 annotation__calc_lines(notes, map, root, start);
1970}
1971
Namhyung Kimdb8fd072013-03-05 14:53:21 +09001972int symbol__tty_annotate(struct symbol *sym, struct map *map,
1973 struct perf_evsel *evsel, bool print_lines,
1974 bool full_paths, int min_pcnt, int max_lines)
Arnaldo Carvalho de Melof1e27012011-02-05 18:51:38 -02001975{
1976 struct dso *dso = map->dso;
Arnaldo Carvalho de Melof1e27012011-02-05 18:51:38 -02001977 struct rb_root source_line = RB_ROOT;
Arnaldo Carvalho de Melof1e27012011-02-05 18:51:38 -02001978
Jiri Olsad03a6862017-10-11 17:01:33 +02001979 if (symbol__annotate(sym, map, evsel, 0, NULL, NULL) < 0)
Arnaldo Carvalho de Melof1e27012011-02-05 18:51:38 -02001980 return -1;
1981
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001982 if (print_lines) {
Michael Petlan4a4c03c2015-11-09 16:33:31 +01001983 srcline_full_filename = full_paths;
Jiri Olsa8b4c74d2017-10-11 17:01:41 +02001984 symbol__calc_lines(sym, map, &source_line);
Namhyung Kim86c98ca2013-09-11 14:09:30 +09001985 print_summary(&source_line, dso->long_name);
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001986 }
1987
Namhyung Kimdb8fd072013-03-05 14:53:21 +09001988 symbol__annotate_printf(sym, map, evsel, full_paths,
Arnaldo Carvalho de Melod5e3d742011-02-08 15:29:25 -02001989 min_pcnt, max_lines, 0);
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001990
Jiri Olsaf8eb37b2017-10-11 17:01:38 +02001991 annotated_source__purge(symbol__annotation(sym)->src);
Arnaldo Carvalho de Melof1e27012011-02-05 18:51:38 -02001992
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -02001993 return 0;
1994}
Arnaldo Carvalho de Melof626adf2013-12-18 17:10:15 -03001995
Namhyung Kim48c65bd2014-02-20 10:32:53 +09001996bool ui__has_annotation(void)
1997{
Jiri Olsa2e0453a2016-05-03 13:54:44 +02001998 return use_browser == 1 && perf_hpp_list.sym;
Namhyung Kim48c65bd2014-02-20 10:32:53 +09001999}