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UBUNTU: Ubuntu-5.15.0-39.42
[mirror_ubuntu-jammy-kernel.git] / tools / perf / util / annotate.c
CommitLineData
91007045 1// SPDX-License-Identifier: GPL-2.0-only
78f7defe
ACM		 2/*
3 * Copyright (C) 2011, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
4 *
5 * Parts came from builtin-annotate.c, see those files for further
6 * copyright notes.
78f7defe
ACM		 7 */
8
a43783ae 9#include <errno.h>
fd20e811 10#include <inttypes.h>
68c0188e 11#include <libgen.h>
f2a39fe8 12#include <stdlib.h>
fb71c86c 13#include "util.h" // hex_width()
48c65bda
NK		 14#include "ui/ui.h"
15#include "sort.h"
78f7defe
ACM		 16#include "build-id.h"
17#include "color.h"
7f0b6fde 18#include "config.h"
fac583fd 19#include "dso.h"
f2a39fe8 20#include "env.h"
1101f69a 21#include "map.h"
c54d241b 22#include "maps.h"
78f7defe 23#include "symbol.h"
97b9d866 24#include "srcline.h"
b213eac2 25#include "units.h"
78f7defe
ACM		 26#include "debug.h"
27#include "annotate.h"
db8fd07a 28#include "evsel.h"
0693f758 29#include "evlist.h"
6987561c 30#include "bpf-event.h"
70fbe057 31#include "block-range.h"
a067558e 32#include "string2.h"
252a2fdc 33#include "util/event.h"
786c1b51 34#include "arch/common.h"
e592488c 35#include <regex.h>
ce6f4fab 36#include <pthread.h>
4383db88 37#include <linux/bitops.h>
877a7a11 38#include <linux/kernel.h>
13c230ab 39#include <linux/string.h>
97b9d866 40#include <subcmd/parse-options.h>
42359499 41#include <subcmd/run-command.h>
78f7defe 42
a1e9b74c
ACM		 43/* FIXME: For the HE_COLORSET */
44#include "ui/browser.h"
45
46/*
47 * FIXME: Using the same values as slang.h,
48 * but that header may not be available everywhere
49 */
c298304b
ACM		 50#define LARROW_CHAR ((unsigned char)',')
51#define RARROW_CHAR ((unsigned char)'+')
52#define DARROW_CHAR ((unsigned char)'.')
53#define UARROW_CHAR ((unsigned char)'-')
a1e9b74c 54
3052ba56 55#include <linux/ctype.h>
3d689ed6 56
7f0b6fde
ACM		 57struct annotation_options annotation__default_options = {
58 .use_offset = true,
59 .jump_arrows = true,
1eddd9e4 60 .annotate_src = true,
592c10e2 61 .offset_level = ANNOTATION__OFFSET_JUMP_TARGETS,
addba8b6 62 .percent_type = PERCENT_PERIOD_LOCAL,
7f0b6fde
ACM		 63};
64
e592488c 65static regex_t file_lineno;
f69b64f7 66
75b49202 67static struct ins_ops *ins__find(struct arch *arch, const char *name);
2a1ff812 68static void ins__sort(struct arch *arch);
75b49202 69static int disasm_line__parse(char *line, const char **namep, char **rawp);
7a997fe4 70
786c1b51
ACM		 71struct arch {
72 const char *name;
763d8960
ACM		 73 struct ins *instructions;
74 size_t nr_instructions;
2a1ff812
ACM		 75 size_t nr_instructions_allocated;
76 struct ins_ops *(*associate_instruction_ops)(struct arch *arch, const char *name);
763d8960 77 bool sorted_instructions;
0781ea92
ACM		 78 bool initialized;
79 void *priv;
69fb09f6
JY		 80 unsigned int model;
81 unsigned int family;
696e2457 82 int (*init)(struct arch *arch, char *cpuid);
69fb09f6
JY		 83 bool (*ins_is_fused)(struct arch *arch, const char *ins1,
84 const char *ins2);
786c1b51
ACM		 85 struct {
86 char comment_char;
9c2fb451 87 char skip_functions_char;
786c1b51
ACM		 88 } objdump;
89};
90
763d8960
ACM		 91static struct ins_ops call_ops;
92static struct ins_ops dec_ops;
93static struct ins_ops jump_ops;
94static struct ins_ops mov_ops;
95static struct ins_ops nop_ops;
96static struct ins_ops lock_ops;
97static struct ins_ops ret_ops;
98
2a1ff812
ACM		 99static int arch__grow_instructions(struct arch *arch)
100{
101 struct ins *new_instructions;
102 size_t new_nr_allocated;
103
104 if (arch->nr_instructions_allocated == 0 && arch->instructions)
105 goto grow_from_non_allocated_table;
106
107 new_nr_allocated = arch->nr_instructions_allocated + 128;
108 new_instructions = realloc(arch->instructions, new_nr_allocated * sizeof(struct ins));
109 if (new_instructions == NULL)
110 return -1;
111
112out_update_instructions:
113 arch->instructions = new_instructions;
114 arch->nr_instructions_allocated = new_nr_allocated;
115 return 0;
116
117grow_from_non_allocated_table:
118 new_nr_allocated = arch->nr_instructions + 128;
119 new_instructions = calloc(new_nr_allocated, sizeof(struct ins));
120 if (new_instructions == NULL)
121 return -1;
122
123 memcpy(new_instructions, arch->instructions, arch->nr_instructions);
124 goto out_update_instructions;
125}
126
acc9bfb5 127static int arch__associate_ins_ops(struct arch* arch, const char *name, struct ins_ops *ops)
2a1ff812
ACM		 128{
129 struct ins *ins;
130
131 if (arch->nr_instructions == arch->nr_instructions_allocated &&
132 arch__grow_instructions(arch))
133 return -1;
134
135 ins = &arch->instructions[arch->nr_instructions];
136 ins->name = strdup(name);
137 if (!ins->name)
138 return -1;
139
140 ins->ops = ops;
141 arch->nr_instructions++;
142
143 ins__sort(arch);
144 return 0;
145}
146
6d99a79c 147#include "arch/arc/annotate/instructions.c"
763d8960 148#include "arch/arm/annotate/instructions.c"
0fcb1da4 149#include "arch/arm64/annotate/instructions.c"
aa23aa55 150#include "arch/csky/annotate/instructions.c"
a701d28e 151#include "arch/mips/annotate/instructions.c"
763d8960 152#include "arch/x86/annotate/instructions.c"
dbdebdc5 153#include "arch/powerpc/annotate/instructions.c"
d9f8dfa9 154#include "arch/s390/annotate/instructions.c"
0ab41886 155#include "arch/sparc/annotate/instructions.c"
763d8960 156
786c1b51 157static struct arch architectures[] = {
6d99a79c
EP		 158 {
159 .name = "arc",
160 .init = arc__annotate_init,
161 },
786c1b51
ACM		 162 {
163 .name = "arm",
acc9bfb5 164 .init = arm__annotate_init,
786c1b51 165 },
0fcb1da4
KP		 166 {
167 .name = "arm64",
168 .init = arm64__annotate_init,
169 },
aa23aa55
MH		 170 {
171 .name = "csky",
172 .init = csky__annotate_init,
173 },
a701d28e
DZ		 174 {
175 .name = "mips",
176 .init = mips__annotate_init,
177 .objdump = {
178 .comment_char = '#',
179 },
180 },
786c1b51
ACM		 181 {
182 .name = "x86",
696e2457 183 .init = x86__annotate_init,
763d8960
ACM		 184 .instructions = x86__instructions,
185 .nr_instructions = ARRAY_SIZE(x86__instructions),
69fb09f6 186 .ins_is_fused = x86__ins_is_fused,
786c1b51
ACM		 187 .objdump = {
188 .comment_char = '#',
189 },
190 },
dbdebdc5
RB		 191 {
192 .name = "powerpc",
193 .init = powerpc__annotate_init,
194 },
e77852b3
CB		 195 {
196 .name = "s390",
d9f8dfa9 197 .init = s390__annotate_init,
e77852b3
CB		 198 .objdump = {
199 .comment_char = '#',
200 },
201 },
0ab41886
DM		 202 {
203 .name = "sparc",
204 .init = sparc__annotate_init,
205 .objdump = {
206 .comment_char = '#',
207 },
208 },
786c1b51
ACM		 209};
210
c46219ac
ACM		 211static void ins__delete(struct ins_operands *ops)
212{
3995614d
ACM		 213 if (ops == NULL)
214 return;
74cf249d
ACM		 215 zfree(&ops->source.raw);
216 zfree(&ops->source.name);
217 zfree(&ops->target.raw);
218 zfree(&ops->target.name);
c46219ac
ACM		 219}
220
5417072b 221static int ins__raw_scnprintf(struct ins *ins, char *bf, size_t size,
bc3bb795 222 struct ins_operands *ops, int max_ins_name)
5417072b 223{
bc3bb795 224 return scnprintf(bf, size, "%-*s %s", max_ins_name, ins->name, ops->raw);
5417072b
ACM		 225}
226
227int ins__scnprintf(struct ins *ins, char *bf, size_t size,
bc3bb795 228 struct ins_operands *ops, int max_ins_name)
5417072b
ACM		 229{
230 if (ins->ops->scnprintf)
bc3bb795 231 return ins->ops->scnprintf(ins, bf, size, ops, max_ins_name);
5417072b 232
bc3bb795 233 return ins__raw_scnprintf(ins, bf, size, ops, max_ins_name);
5417072b
ACM		 234}
235
69fb09f6
JY		 236bool ins__is_fused(struct arch *arch, const char *ins1, const char *ins2)
237{
238 if (!arch || !arch->ins_is_fused)
239 return false;
240
241 return arch->ins_is_fused(arch, ins1, ins2);
242}
243
85a84e4f 244static int call__parse(struct arch *arch, struct ins_operands *ops, struct map_symbol *ms)
d86b0597 245{
d2232885 246 char *endptr, *tok, *name;
85a84e4f 247 struct map *map = ms->map;
696703af 248 struct addr_map_symbol target = {
d46a4cdf 249 .ms = { .map = map, },
696703af 250 };
d2232885 251
44d1a3ed 252 ops->target.addr = strtoull(ops->raw, &endptr, 16);
d2232885
ACM		 253
254 name = strchr(endptr, '<');
255 if (name == NULL)
256 goto indirect_call;
257
258 name++;
259
9c2fb451
ACM		 260 if (arch->objdump.skip_functions_char &&
261 strchr(name, arch->objdump.skip_functions_char))
cfef25b8 262 return -1;
cfef25b8 263
d2232885
ACM		 264 tok = strchr(name, '>');
265 if (tok == NULL)
266 return -1;
267
268 *tok = '\0';
44d1a3ed 269 ops->target.name = strdup(name);
d2232885
ACM		 270 *tok = '>';
271
696703af
ACM		 272 if (ops->target.name == NULL)
273 return -1;
274find_target:
275 target.addr = map__objdump_2mem(map, ops->target.addr);
d2232885 276
f2eaea09 277 if (maps__find_ams(ms->maps, &target) == 0 &&
d46a4cdf
ACM		 278 map__rip_2objdump(target.ms.map, map->map_ip(target.ms.map, target.addr)) == ops->target.addr)
279 ops->target.sym = target.ms.sym;
e8ea1561 280
d86b0597 281 return 0;
696703af
ACM		 282
283indirect_call:
284 tok = strchr(endptr, '*');
1dc27f63
ML		 285 if (tok != NULL) {
286 endptr++;
287
288 /* Indirect call can use a non-rip register and offset: callq *0x8(%rbx).
289 * Do not parse such instruction. */
290 if (strstr(endptr, "(%r") == NULL)
291 ops->target.addr = strtoull(endptr, NULL, 16);
292 }
696703af 293 goto find_target;
d86b0597
ACM		 294}
295
d2232885 296static int call__scnprintf(struct ins *ins, char *bf, size_t size,
bc3bb795 297 struct ins_operands *ops, int max_ins_name)
d2232885 298{
696703af 299 if (ops->target.sym)
bc3bb795 300 return scnprintf(bf, size, "%-*s %s", max_ins_name, ins->name, ops->target.sym->name);
d2232885 301
e8ea1561 302 if (ops->target.addr == 0)
bc3bb795 303 return ins__raw_scnprintf(ins, bf, size, ops, max_ins_name);
e8ea1561 304
4c9cb2c2 305 if (ops->target.name)
bc3bb795 306 return scnprintf(bf, size, "%-*s %s", max_ins_name, ins->name, ops->target.name);
4c9cb2c2 307
bc3bb795 308 return scnprintf(bf, size, "%-*s *%" PRIx64, max_ins_name, ins->name, ops->target.addr);
d2232885
ACM		 309}
310
d86b0597 311static struct ins_ops call_ops = {
d2232885
ACM		 312 .parse = call__parse,
313 .scnprintf = call__scnprintf,
d86b0597
ACM		 314};
315
316bool ins__is_call(const struct ins *ins)
317{
0b58a77c 318 return ins->ops == &call_ops || ins->ops == &s390_call_ops;
d86b0597
ACM		 319}
320
4e67b2a5
KP		 321/*
322 * Prevents from matching commas in the comment section, e.g.:
323 * ffff200008446e70: b.cs ffff2000084470f4 <generic_exec_single+0x314> // b.hs, b.nlast
1f0e6edc
ML		 324 *
325 * and skip comma as part of function arguments, e.g.:
326 * 1d8b4ac <linemap_lookup(line_maps const*, unsigned int)+0xcc>
4e67b2a5
KP		 327 */
328static inline const char *validate_comma(const char *c, struct ins_operands *ops)
329{
330 if (ops->raw_comment && c > ops->raw_comment)
331 return NULL;
332
1f0e6edc
ML		 333 if (ops->raw_func_start && c > ops->raw_func_start)
334 return NULL;
335
4e67b2a5
KP		 336 return c;
337}
338
339static int jump__parse(struct arch *arch, struct ins_operands *ops, struct map_symbol *ms)
4f9d0325 340{
751b1783
ACM		 341 struct map *map = ms->map;
342 struct symbol *sym = ms->sym;
343 struct addr_map_symbol target = {
d46a4cdf 344 .ms = { .map = map, },
751b1783 345 };
3ee2eb6d 346 const char *c = strchr(ops->raw, ',');
751b1783 347 u64 start, end;
4e67b2a5
KP		 348
349 ops->raw_comment = strchr(ops->raw, arch->objdump.comment_char);
1f0e6edc
ML		 350 ops->raw_func_start = strchr(ops->raw, '<');
351
4e67b2a5
KP		 352 c = validate_comma(c, ops);
353
751b1783
ACM		 354 /*
355 * Examples of lines to parse for the _cpp_lex_token@@Base
356 * function:
357 *
358 * 1159e6c: jne 115aa32 <_cpp_lex_token@@Base+0xf92>
359 * 1159e8b: jne c469be <cpp_named_operator2name@@Base+0xa72>
360 *
361 * The first is a jump to an offset inside the same function,
362 * the second is to another function, i.e. that 0xa72 is an
363 * offset in the cpp_named_operator2name@@base function.
364 */
b13bbeee
KP		 365 /*
366 * skip over possible up to 2 operands to get to address, e.g.:
367 * tbnz w0, #26, ffff0000083cd190 <security_file_permission+0xd0>
368 */
369 if (c++ != NULL) {
3ee2eb6d 370 ops->target.addr = strtoull(c, NULL, 16);
b13bbeee
KP		 371 if (!ops->target.addr) {
372 c = strchr(c, ',');
4e67b2a5 373 c = validate_comma(c, ops);
b13bbeee
KP		 374 if (c++ != NULL)
375 ops->target.addr = strtoull(c, NULL, 16);
376 }
377 } else {
3ee2eb6d 378 ops->target.addr = strtoull(ops->raw, NULL, 16);
b13bbeee 379 }
fb29fa58 380
751b1783
ACM		 381 target.addr = map__objdump_2mem(map, ops->target.addr);
382 start = map->unmap_ip(map, sym->start),
383 end = map->unmap_ip(map, sym->end);
384
385 ops->target.outside = target.addr < start || target.addr > end;
386
387 /*
388 * FIXME: things like this in _cpp_lex_token (gcc's cc1 program):
389
390 cpp_named_operator2name@@Base+0xa72
391
392 * Point to a place that is after the cpp_named_operator2name
393 * boundaries, i.e. in the ELF symbol table for cc1
394 * cpp_named_operator2name is marked as being 32-bytes long, but it in
395 * fact is much larger than that, so we seem to need a symbols__find()
396 * routine that looks for >= current->start and < next_symbol->start,
397 * possibly just for C++ objects?
398 *
399 * For now lets just make some progress by marking jumps to outside the
400 * current function as call like.
401 *
402 * Actual navigation will come next, with further understanding of how
403 * the symbol searching and disassembly should be done.
e4cc91b8 404 */
f2eaea09 405 if (maps__find_ams(ms->maps, &target) == 0 &&
d46a4cdf
ACM		 406 map__rip_2objdump(target.ms.map, map->map_ip(target.ms.map, target.addr)) == ops->target.addr)
407 ops->target.sym = target.ms.sym;
751b1783 408
980b68ec
ACM		 409 if (!ops->target.outside) {
410 ops->target.offset = target.addr - start;
e216874c
RB		 411 ops->target.offset_avail = true;
412 } else {
413 ops->target.offset_avail = false;
414 }
4f9d0325 415
4f9d0325
ACM		 416 return 0;
417}
418
c7e6ead7 419static int jump__scnprintf(struct ins *ins, char *bf, size_t size,
bc3bb795 420 struct ins_operands *ops, int max_ins_name)
28548d78 421{
c448234c 422 const char *c;
b13bbeee 423
e216874c 424 if (!ops->target.addr || ops->target.offset < 0)
bc3bb795 425 return ins__raw_scnprintf(ins, bf, size, ops, max_ins_name);
bec60e50 426
e4cc91b8 427 if (ops->target.outside && ops->target.sym != NULL)
bc3bb795 428 return scnprintf(bf, size, "%-*s %s", max_ins_name, ins->name, ops->target.sym->name);
e4cc91b8 429
c448234c 430 c = strchr(ops->raw, ',');
4e67b2a5
KP		 431 c = validate_comma(c, ops);
432
b13bbeee
KP		 433 if (c != NULL) {
434 const char *c2 = strchr(c + 1, ',');
435
4e67b2a5 436 c2 = validate_comma(c2, ops);
b13bbeee
KP		 437 /* check for 3-op insn */
438 if (c2 != NULL)
439 c = c2;
440 c++;
441
442 /* mirror arch objdump's space-after-comma style */
443 if (*c == ' ')
444 c++;
445 }
446
bc3bb795 447 return scnprintf(bf, size, "%-*s %.*s%" PRIx64, max_ins_name,
b13bbeee
KP		 448 ins->name, c ? c - ops->raw : 0, ops->raw,
449 ops->target.offset);
28548d78
ACM		 450}
451
4f9d0325 452static struct ins_ops jump_ops = {
c7e6ead7
ACM		 453 .parse = jump__parse,
454 .scnprintf = jump__scnprintf,
4f9d0325
ACM		 455};
456
457bool ins__is_jump(const struct ins *ins)
458{
459 return ins->ops == &jump_ops;
460}
461
6de783b6
ACM		 462static int comment__symbol(char *raw, char *comment, u64 *addrp, char **namep)
463{
464 char *endptr, *name, *t;
465
466 if (strstr(raw, "(%rip)") == NULL)
467 return 0;
468
469 *addrp = strtoull(comment, &endptr, 16);
35a8a148
TR		 470 if (endptr == comment)
471 return 0;
6de783b6
ACM		 472 name = strchr(endptr, '<');
473 if (name == NULL)
474 return -1;
475
476 name++;
477
478 t = strchr(name, '>');
479 if (t == NULL)
480 return 0;
481
482 *t = '\0';
483 *namep = strdup(name);
484 *t = '>';
485
486 return 0;
487}
488
85a84e4f 489static int lock__parse(struct arch *arch, struct ins_operands *ops, struct map_symbol *ms)
7a997fe4 490{
7a997fe4
ACM		 491 ops->locked.ops = zalloc(sizeof(*ops->locked.ops));
492 if (ops->locked.ops == NULL)
493 return 0;
494
75b49202 495 if (disasm_line__parse(ops->raw, &ops->locked.ins.name, &ops->locked.ops->raw) < 0)
7a997fe4
ACM		 496 goto out_free_ops;
497
75b49202 498 ops->locked.ins.ops = ins__find(arch, ops->locked.ins.name);
0fb9f2aa 499
75b49202 500 if (ops->locked.ins.ops == NULL)
2ba34aaa 501 goto out_free_ops;
7a997fe4 502
75b49202 503 if (ops->locked.ins.ops->parse &&
85a84e4f 504 ops->locked.ins.ops->parse(arch, ops->locked.ops, ms) < 0)
be81908c 505 goto out_free_ops;
7a997fe4
ACM		 506
507 return 0;
508
509out_free_ops:
04662523 510 zfree(&ops->locked.ops);
7a997fe4
ACM		 511 return 0;
512}
513
514static int lock__scnprintf(struct ins *ins, char *bf, size_t size,
bc3bb795 515 struct ins_operands *ops, int max_ins_name)
7a997fe4
ACM		 516{
517 int printed;
518
75b49202 519 if (ops->locked.ins.ops == NULL)
bc3bb795 520 return ins__raw_scnprintf(ins, bf, size, ops, max_ins_name);
7a997fe4 521
bc3bb795 522 printed = scnprintf(bf, size, "%-*s ", max_ins_name, ins->name);
75b49202 523 return printed + ins__scnprintf(&ops->locked.ins, bf + printed,
bc3bb795 524 size - printed, ops->locked.ops, max_ins_name);
7a997fe4
ACM		 525}
526
c46219ac
ACM		 527static void lock__delete(struct ins_operands *ops)
528{
75b49202 529 struct ins *ins = &ops->locked.ins;
0fb9f2aa 530
75b49202 531 if (ins->ops && ins->ops->free)
0fb9f2aa
RV		 532 ins->ops->free(ops->locked.ops);
533 else
534 ins__delete(ops->locked.ops);
535
74cf249d
ACM		 536 zfree(&ops->locked.ops);
537 zfree(&ops->target.raw);
538 zfree(&ops->target.name);
c46219ac
ACM		 539}
540
7a997fe4 541static struct ins_ops lock_ops = {
c46219ac 542 .free = lock__delete,
7a997fe4
ACM		 543 .parse = lock__parse,
544 .scnprintf = lock__scnprintf,
545};
546
85a84e4f 547static int mov__parse(struct arch *arch, struct ins_operands *ops, struct map_symbol *ms __maybe_unused)
6de783b6
ACM		 548{
549 char *s = strchr(ops->raw, ','), *target, *comment, prev;
550
551 if (s == NULL)
552 return -1;
553
554 *s = '\0';
555 ops->source.raw = strdup(ops->raw);
556 *s = ',';
48000a1a 557
6de783b6
ACM		 558 if (ops->source.raw == NULL)
559 return -1;
560
561 target = ++s;
786c1b51 562 comment = strchr(s, arch->objdump.comment_char);
1e2bb043
AC		 563
564 if (comment != NULL)
565 s = comment - 1;
566 else
567 s = strchr(s, '\0') - 1;
6de783b6 568
1e2bb043
AC		 569 while (s > target && isspace(s[0]))
570 --s;
571 s++;
6de783b6
ACM		 572 prev = *s;
573 *s = '\0';
574
575 ops->target.raw = strdup(target);
576 *s = prev;
577
578 if (ops->target.raw == NULL)
579 goto out_free_source;
580
6de783b6
ACM		 581 if (comment == NULL)
582 return 0;
583
32858480 584 comment = skip_spaces(comment);
35a8a148
TR		 585 comment__symbol(ops->source.raw, comment + 1, &ops->source.addr, &ops->source.name);
586 comment__symbol(ops->target.raw, comment + 1, &ops->target.addr, &ops->target.name);
6de783b6
ACM		 587
588 return 0;
589
590out_free_source:
04662523 591 zfree(&ops->source.raw);
6de783b6
ACM		 592 return -1;
593}
594
595static int mov__scnprintf(struct ins *ins, char *bf, size_t size,
bc3bb795 596 struct ins_operands *ops, int max_ins_name)
6de783b6 597{
bc3bb795 598 return scnprintf(bf, size, "%-*s %s,%s", max_ins_name, ins->name,
6de783b6
ACM		 599 ops->source.name ?: ops->source.raw,
600 ops->target.name ?: ops->target.raw);
601}
602
603static struct ins_ops mov_ops = {
604 .parse = mov__parse,
605 .scnprintf = mov__scnprintf,
606};
607
85a84e4f 608static int dec__parse(struct arch *arch __maybe_unused, struct ins_operands *ops, struct map_symbol *ms __maybe_unused)
a43712c4
ACM		 609{
610 char *target, *comment, *s, prev;
611
612 target = s = ops->raw;
613
614 while (s[0] != '\0' && !isspace(s[0]))
615 ++s;
616 prev = *s;
617 *s = '\0';
618
619 ops->target.raw = strdup(target);
620 *s = prev;
621
622 if (ops->target.raw == NULL)
623 return -1;
624
859afa6c 625 comment = strchr(s, arch->objdump.comment_char);
a43712c4
ACM		 626 if (comment == NULL)
627 return 0;
628
32858480 629 comment = skip_spaces(comment);
35a8a148 630 comment__symbol(ops->target.raw, comment + 1, &ops->target.addr, &ops->target.name);
a43712c4
ACM		 631
632 return 0;
633}
634
635static int dec__scnprintf(struct ins *ins, char *bf, size_t size,
bc3bb795 636 struct ins_operands *ops, int max_ins_name)
a43712c4 637{
bc3bb795 638 return scnprintf(bf, size, "%-*s %s", max_ins_name, ins->name,
a43712c4
ACM		 639 ops->target.name ?: ops->target.raw);
640}
641
642static struct ins_ops dec_ops = {
643 .parse = dec__parse,
644 .scnprintf = dec__scnprintf,
645};
646
1d037ca1 647static int nop__scnprintf(struct ins *ins __maybe_unused, char *bf, size_t size,
bc3bb795 648 struct ins_operands *ops __maybe_unused, int max_ins_name)
b9818e93 649{
bc3bb795 650 return scnprintf(bf, size, "%-*s", max_ins_name, "nop");
b9818e93
ACM		 651}
652
653static struct ins_ops nop_ops = {
654 .scnprintf = nop__scnprintf,
655};
656
6ef94929
NR		 657static struct ins_ops ret_ops = {
658 .scnprintf = ins__raw_scnprintf,
659};
660
661bool ins__is_ret(const struct ins *ins)
662{
663 return ins->ops == &ret_ops;
664}
665
7e63a13a
JY		 666bool ins__is_lock(const struct ins *ins)
667{
668 return ins->ops == &lock_ops;
669}
670
7e4c1498 671static int ins__key_cmp(const void *name, const void *insp)
4f9d0325
ACM		 672{
673 const struct ins *ins = insp;
674
675 return strcmp(name, ins->name);
676}
677
7e4c1498
CR		 678static int ins__cmp(const void *a, const void *b)
679{
680 const struct ins *ia = a;
681 const struct ins *ib = b;
682
683 return strcmp(ia->name, ib->name);
684}
685
763d8960 686static void ins__sort(struct arch *arch)
7e4c1498 687{
763d8960 688 const int nmemb = arch->nr_instructions;
7e4c1498 689
763d8960 690 qsort(arch->instructions, nmemb, sizeof(struct ins), ins__cmp);
7e4c1498
CR		 691}
692
2a1ff812 693static struct ins_ops *__ins__find(struct arch *arch, const char *name)
4f9d0325 694{
75b49202 695 struct ins *ins;
763d8960 696 const int nmemb = arch->nr_instructions;
7e4c1498 697
763d8960
ACM		 698 if (!arch->sorted_instructions) {
699 ins__sort(arch);
700 arch->sorted_instructions = true;
7e4c1498 701 }
4f9d0325 702
75b49202
ACM		 703 ins = bsearch(name, arch->instructions, nmemb, sizeof(struct ins), ins__key_cmp);
704 return ins ? ins->ops : NULL;
4f9d0325
ACM		 705}
706
2a1ff812
ACM		 707static struct ins_ops *ins__find(struct arch *arch, const char *name)
708{
709 struct ins_ops *ops = __ins__find(arch, name);
710
711 if (!ops && arch->associate_instruction_ops)
712 ops = arch->associate_instruction_ops(arch, name);
713
714 return ops;
715}
716
786c1b51
ACM		 717static int arch__key_cmp(const void *name, const void *archp)
718{
719 const struct arch *arch = archp;
720
721 return strcmp(name, arch->name);
722}
723
724static int arch__cmp(const void *a, const void *b)
725{
726 const struct arch *aa = a;
727 const struct arch *ab = b;
728
729 return strcmp(aa->name, ab->name);
730}
731
732static void arch__sort(void)
733{
734 const int nmemb = ARRAY_SIZE(architectures);
735
736 qsort(architectures, nmemb, sizeof(struct arch), arch__cmp);
737}
738
739static struct arch *arch__find(const char *name)
740{
741 const int nmemb = ARRAY_SIZE(architectures);
742 static bool sorted;
743
744 if (!sorted) {
745 arch__sort();
746 sorted = true;
747 }
748
749 return bsearch(name, architectures, nmemb, sizeof(struct arch), arch__key_cmp);
750}
751
ca396503
ACM		 752static struct annotated_source *annotated_source__new(void)
753{
754 struct annotated_source *src = zalloc(sizeof(*src));
755
756 if (src != NULL)
757 INIT_LIST_HEAD(&src->source);
758
759 return src;
760}
761
14c8dde1 762static __maybe_unused void annotated_source__delete(struct annotated_source *src)
ca396503
ACM		 763{
764 if (src == NULL)
765 return;
766 zfree(&src->histograms);
767 zfree(&src->cycles_hist);
768 free(src);
769}
770
be3e26d9
ACM		 771static int annotated_source__alloc_histograms(struct annotated_source *src,
772 size_t size, int nr_hists)
ce6f4fab 773{
8696329b
CS		 774 size_t sizeof_sym_hist;
775
331c7cb3
RB		 776 /*
777 * Add buffer of one element for zero length symbol.
778 * When sample is taken from first instruction of
779 * zero length symbol, perf still resolves it and
780 * shows symbol name in perf report and allows to
781 * annotate it.
782 */
783 if (size == 0)
784 size = 1;
785
8696329b 786 /* Check for overflow when calculating sizeof_sym_hist */
896bccd3 787 if (size > (SIZE_MAX - sizeof(struct sym_hist)) / sizeof(struct sym_hist_entry))
8696329b
CS		 788 return -1;
789
896bccd3 790 sizeof_sym_hist = (sizeof(struct sym_hist) + size * sizeof(struct sym_hist_entry));
8696329b
CS		 791
792 /* Check for overflow in zalloc argument */
be3e26d9 793 if (sizeof_sym_hist > SIZE_MAX / nr_hists)
8696329b 794 return -1;
ce6f4fab 795
be3e26d9
ACM		 796 src->sizeof_sym_hist = sizeof_sym_hist;
797 src->nr_histograms = nr_hists;
798 src->histograms = calloc(nr_hists, sizeof_sym_hist) ;
799 return src->histograms ? 0 : -1;
800}
801
d4957633
AK		 802/* The cycles histogram is lazily allocated. */
803static int symbol__alloc_hist_cycles(struct symbol *sym)
804{
805 struct annotation *notes = symbol__annotation(sym);
806 const size_t size = symbol__size(sym);
807
808 notes->src->cycles_hist = calloc(size, sizeof(struct cyc_hist));
809 if (notes->src->cycles_hist == NULL)
810 return -1;
811 return 0;
812}
813
36532461
ACM		 814void symbol__annotate_zero_histograms(struct symbol *sym)
815{
816 struct annotation *notes = symbol__annotation(sym);
817
ce6f4fab 818 pthread_mutex_lock(&notes->lock);
d4957633 819 if (notes->src != NULL) {
ce6f4fab
ACM		 820 memset(notes->src->histograms, 0,
821 notes->src->nr_histograms * notes->src->sizeof_sym_hist);
d4957633
AK		 822 if (notes->src->cycles_hist)
823 memset(notes->src->cycles_hist, 0,
824 symbol__size(sym) * sizeof(struct cyc_hist));
825 }
ce6f4fab 826 pthread_mutex_unlock(&notes->lock);
36532461
ACM		 827}
828
f40dd6d1 829static int __symbol__account_cycles(struct cyc_hist *ch,
d4957633
AK		 830 u64 start,
831 unsigned offset, unsigned cycles,
832 unsigned have_start)
833{
d4957633
AK		 834 /*
835 * For now we can only account one basic block per
836 * final jump. But multiple could be overlapping.
837 * Always account the longest one. So when
838 * a shorter one has been already seen throw it away.
839 *
840 * We separately always account the full cycles.
841 */
842 ch[offset].num_aggr++;
843 ch[offset].cycles_aggr += cycles;
844
48659ebf
JY		 845 if (cycles > ch[offset].cycles_max)
846 ch[offset].cycles_max = cycles;
847
848 if (ch[offset].cycles_min) {
849 if (cycles && cycles < ch[offset].cycles_min)
850 ch[offset].cycles_min = cycles;
851 } else
852 ch[offset].cycles_min = cycles;
853
d4957633
AK		 854 if (!have_start && ch[offset].have_start)
855 return 0;
856 if (ch[offset].num) {
857 if (have_start && (!ch[offset].have_start ||
858 ch[offset].start > start)) {
859 ch[offset].have_start = 0;
860 ch[offset].cycles = 0;
861 ch[offset].num = 0;
862 if (ch[offset].reset < 0xffff)
863 ch[offset].reset++;
864 } else if (have_start &&
865 ch[offset].start < start)
866 return 0;
867 }
cebf7d51
JY		 868
869 if (ch[offset].num < NUM_SPARKS)
870 ch[offset].cycles_spark[ch[offset].num] = cycles;
871
d4957633
AK		 872 ch[offset].have_start = have_start;
873 ch[offset].start = start;
874 ch[offset].cycles += cycles;
875 ch[offset].num++;
876 return 0;
877}
878
d46a4cdf 879static int __symbol__inc_addr_samples(struct map_symbol *ms,
e1a91a83 880 struct annotated_source *src, int evidx, u64 addr,
461c17f0 881 struct perf_sample *sample)
78f7defe 882{
d46a4cdf 883 struct symbol *sym = ms->sym;
2f525d01 884 unsigned offset;
78f7defe
ACM		 885 struct sym_hist *h;
886
d46a4cdf 887 pr_debug3("%s: addr=%#" PRIx64 "\n", __func__, ms->map->unmap_ip(ms->map, addr));
78f7defe 888
edee44be
RB		 889 if ((addr < sym->start || addr >= sym->end) &&
890 (addr != sym->end || sym->start != sym->end)) {
e3d006ce
ACM		 891 pr_debug("%s(%d): ERANGE! sym->name=%s, start=%#" PRIx64 ", addr=%#" PRIx64 ", end=%#" PRIx64 "\n",
892 __func__, __LINE__, sym->name, sym->start, addr, sym->end);
31d68e7b 893 return -ERANGE;
e3d006ce 894 }
78f7defe 895
2f525d01 896 offset = addr - sym->start;
e1a91a83 897 h = annotated_source__histogram(src, evidx);
8d628d26
ACM		 898 if (h == NULL) {
899 pr_debug("%s(%d): ENOMEM! sym->name=%s, start=%#" PRIx64 ", addr=%#" PRIx64 ", end=%#" PRIx64 ", func: %d\n",
900 __func__, __LINE__, sym->name, sym->start, addr, sym->end, sym->type == STT_FUNC);
901 return -ENOMEM;
902 }
8158683d 903 h->nr_samples++;
896bccd3 904 h->addr[offset].nr_samples++;
461c17f0
TS		 905 h->period += sample->period;
906 h->addr[offset].period += sample->period;
78f7defe
ACM		 907
908 pr_debug3("%#" PRIx64 " %s: period++ [addr: %#" PRIx64 ", %#" PRIx64
461c17f0
TS		 909 ", evidx=%d] => nr_samples: %" PRIu64 ", period: %" PRIu64 "\n",
910 sym->start, sym->name, addr, addr - sym->start, evidx,
911 h->addr[offset].nr_samples, h->addr[offset].period);
78f7defe
ACM		 912 return 0;
913}
914
c6b635ee 915static struct cyc_hist *symbol__cycles_hist(struct symbol *sym)
83be34a7
AK		 916{
917 struct annotation *notes = symbol__annotation(sym);
918
919 if (notes->src == NULL) {
c6b635ee
ACM		 920 notes->src = annotated_source__new();
921 if (notes->src == NULL)
83be34a7 922 return NULL;
c6b635ee 923 goto alloc_cycles_hist;
83be34a7 924 }
c6b635ee
ACM		 925
926 if (!notes->src->cycles_hist) {
927alloc_cycles_hist:
928 symbol__alloc_hist_cycles(sym);
d4957633 929 }
c6b635ee
ACM		 930
931 return notes->src->cycles_hist;
83be34a7
AK		 932}
933
14c8dde1 934struct annotated_source *symbol__hists(struct symbol *sym, int nr_hists)
e8ea922a
ACM		 935{
936 struct annotation *notes = symbol__annotation(sym);
937
938 if (notes->src == NULL) {
939 notes->src = annotated_source__new();
940 if (notes->src == NULL)
941 return NULL;
942 goto alloc_histograms;
943 }
944
945 if (notes->src->histograms == NULL) {
946alloc_histograms:
947 annotated_source__alloc_histograms(notes->src, symbol__size(sym),
0693f758 948 nr_hists);
e8ea922a
ACM		 949 }
950
951 return notes->src;
952}
953
d46a4cdf 954static int symbol__inc_addr_samples(struct map_symbol *ms,
32dcd021 955 struct evsel *evsel, u64 addr,
bab89f6a 956 struct perf_sample *sample)
b66d8c0c 957{
d46a4cdf 958 struct symbol *sym = ms->sym;
e8ea922a 959 struct annotated_source *src;
b66d8c0c 960
48c65bda 961 if (sym == NULL)
b66d8c0c 962 return 0;
6484d2f9 963 src = symbol__hists(sym, evsel->evlist->core.nr_entries);
38fe0e01 964 return src ? __symbol__inc_addr_samples(ms, src, evsel->core.idx, addr, sample) : 0;
b66d8c0c
ACM		 965}
966
d4957633
AK		 967static int symbol__account_cycles(u64 addr, u64 start,
968 struct symbol *sym, unsigned cycles)
969{
c6b635ee 970 struct cyc_hist *cycles_hist;
d4957633
AK		 971 unsigned offset;
972
973 if (sym == NULL)
974 return 0;
c6b635ee
ACM		 975 cycles_hist = symbol__cycles_hist(sym);
976 if (cycles_hist == NULL)
d4957633
AK		 977 return -ENOMEM;
978 if (addr < sym->start || addr >= sym->end)
979 return -ERANGE;
980
981 if (start) {
982 if (start < sym->start || start >= sym->end)
983 return -ERANGE;
984 if (start >= addr)
985 start = 0;
986 }
987 offset = addr - sym->start;
c6b635ee 988 return __symbol__account_cycles(cycles_hist,
d4957633
AK		 989 start ? start - sym->start : 0,
990 offset, cycles,
991 !!start);
992}
993
994int addr_map_symbol__account_cycles(struct addr_map_symbol *ams,
995 struct addr_map_symbol *start,
996 unsigned cycles)
997{
3d7245b0 998 u64 saddr = 0;
d4957633
AK		 999 int err;
1000
1001 if (!cycles)
1002 return 0;
1003
1004 /*
1005 * Only set start when IPC can be computed. We can only
1006 * compute it when the basic block is completely in a single
1007 * function.
1008 * Special case the case when the jump is elsewhere, but
1009 * it starts on the function start.
1010 */
1011 if (start &&
d46a4cdf
ACM		 1012 (start->ms.sym == ams->ms.sym ||
1013 (ams->ms.sym &&
1014 start->addr == ams->ms.sym->start + ams->ms.map->start)))
d4957633
AK		 1015 saddr = start->al_addr;
1016 if (saddr == 0)
3d7245b0 1017 pr_debug2("BB with bad start: addr %"PRIx64" start %"PRIx64" sym %"PRIx64" saddr %"PRIx64"\n",
d4957633
AK		 1018 ams->addr,
1019 start ? start->addr : 0,
d46a4cdf 1020 ams->ms.sym ? ams->ms.sym->start + ams->ms.map->start : 0,
d4957633 1021 saddr);
d46a4cdf 1022 err = symbol__account_cycles(ams->al_addr, saddr, ams->ms.sym, cycles);
d4957633
AK		 1023 if (err)
1024 pr_debug2("account_cycles failed %d\n", err);
1025 return err;
1026}
1027
f56c083b
ACM		 1028static unsigned annotation__count_insn(struct annotation *notes, u64 start, u64 end)
1029{
1030 unsigned n_insn = 0;
1031 u64 offset;
1032
1033 for (offset = start; offset <= end; offset++) {
1034 if (notes->offsets[offset])
1035 n_insn++;
1036 }
1037 return n_insn;
1038}
1039
1040static void annotation__count_and_fill(struct annotation *notes, u64 start, u64 end, struct cyc_hist *ch)
1041{
1042 unsigned n_insn;
ace4f8fa 1043 unsigned int cover_insn = 0;
f56c083b
ACM		 1044 u64 offset;
1045
1046 n_insn = annotation__count_insn(notes, start, end);
1047 if (n_insn && ch->num && ch->cycles) {
1048 float ipc = n_insn / ((double)ch->cycles / (double)ch->num);
1049
1050 /* Hide data when there are too many overlaps. */
bdd1666b 1051 if (ch->reset >= 0x7fff)
f56c083b
ACM		 1052 return;
1053
1054 for (offset = start; offset <= end; offset++) {
1055 struct annotation_line *al = notes->offsets[offset];
1056
ace4f8fa 1057 if (al && al->ipc == 0.0) {
f56c083b 1058 al->ipc = ipc;
ace4f8fa
JY		 1059 cover_insn++;
1060 }
1061 }
1062
1063 if (cover_insn) {
1064 notes->hit_cycles += ch->cycles;
1065 notes->hit_insn += n_insn * ch->num;
1066 notes->cover_insn += cover_insn;
f56c083b
ACM		 1067 }
1068 }
1069}
1070
1071void annotation__compute_ipc(struct annotation *notes, size_t size)
1072{
ace4f8fa 1073 s64 offset;
f56c083b
ACM		 1074
1075 if (!notes->src || !notes->src->cycles_hist)
1076 return;
1077
ace4f8fa
JY		 1078 notes->total_insn = annotation__count_insn(notes, 0, size - 1);
1079 notes->hit_cycles = 0;
1080 notes->hit_insn = 0;
1081 notes->cover_insn = 0;
1082
f56c083b 1083 pthread_mutex_lock(&notes->lock);
ace4f8fa 1084 for (offset = size - 1; offset >= 0; --offset) {
f56c083b
ACM		 1085 struct cyc_hist *ch;
1086
1087 ch = &notes->src->cycles_hist[offset];
1088 if (ch && ch->cycles) {
1089 struct annotation_line *al;
1090
1091 if (ch->have_start)
1092 annotation__count_and_fill(notes, ch->start, offset, ch);
1093 al = notes->offsets[offset];
48659ebf 1094 if (al && ch->num_aggr) {
f56c083b 1095 al->cycles = ch->cycles_aggr / ch->num_aggr;
48659ebf
JY		 1096 al->cycles_max = ch->cycles_max;
1097 al->cycles_min = ch->cycles_min;
1098 }
f56c083b
ACM		 1099 notes->have_cycles = true;
1100 }
1101 }
1102 pthread_mutex_unlock(&notes->lock);
1103}
1104
bab89f6a 1105int addr_map_symbol__inc_samples(struct addr_map_symbol *ams, struct perf_sample *sample,
32dcd021 1106 struct evsel *evsel)
0f4e7a24 1107{
d46a4cdf 1108 return symbol__inc_addr_samples(&ams->ms, evsel, ams->al_addr, sample);
0f4e7a24
ACM		 1109}
1110
bab89f6a 1111int hist_entry__inc_addr_samples(struct hist_entry *he, struct perf_sample *sample,
32dcd021 1112 struct evsel *evsel, u64 ip)
f626adff 1113{
d46a4cdf 1114 return symbol__inc_addr_samples(&he->ms, evsel, ip, sample);
f626adff
ACM		 1115}
1116
85a84e4f 1117static void disasm_line__init_ins(struct disasm_line *dl, struct arch *arch, struct map_symbol *ms)
4f9d0325 1118{
75b49202 1119 dl->ins.ops = ins__find(arch, dl->ins.name);
4f9d0325 1120
75b49202 1121 if (!dl->ins.ops)
4f9d0325
ACM		 1122 return;
1123
85a84e4f 1124 if (dl->ins.ops->parse && dl->ins.ops->parse(arch, &dl->ops, ms) < 0)
75b49202 1125 dl->ins.ops = NULL;
4f9d0325
ACM		 1126}
1127
75b49202 1128static int disasm_line__parse(char *line, const char **namep, char **rawp)
7a997fe4 1129{
32858480 1130 char tmp, *name = skip_spaces(line);
7a997fe4
ACM		 1131
1132 if (name[0] == '\0')
1133 return -1;
1134
1135 *rawp = name + 1;
1136
1137 while ((*rawp)[0] != '\0' && !isspace((*rawp)[0]))
1138 ++*rawp;
1139
1140 tmp = (*rawp)[0];
1141 (*rawp)[0] = '\0';
1142 *namep = strdup(name);
1143
1144 if (*namep == NULL)
600c787d 1145 goto out;
7a997fe4
ACM		 1146
1147 (*rawp)[0] = tmp;
85127775 1148 *rawp = strim(*rawp);
7a997fe4
ACM		 1149
1150 return 0;
1151
600c787d 1152out:
7a997fe4
ACM		 1153 return -1;
1154}
1155
ea07c5aa 1156struct annotate_args {
d3c03147
RB		 1157 struct arch *arch;
1158 struct map_symbol ms;
1159 struct evsel *evsel;
380195e2 1160 struct annotation_options *options;
d3c03147
RB		 1161 s64 offset;
1162 char *line;
1163 int line_nr;
2777b81b 1164 char *fileloc;
ea07c5aa
JO		 1165};
1166
2316f861
RB		 1167static void annotation_line__init(struct annotation_line *al,
1168 struct annotate_args *args,
1169 int nr)
c835e191 1170{
2316f861
RB		 1171 al->offset = args->offset;
1172 al->line = strdup(args->line);
1173 al->line_nr = args->line_nr;
2777b81b 1174 al->fileloc = args->fileloc;
2316f861
RB		 1175 al->data_nr = nr;
1176}
c835e191 1177
2316f861
RB		 1178static void annotation_line__exit(struct annotation_line *al)
1179{
8b4c74dc 1180 free_srcline(al->path);
c835e191 1181 zfree(&al->line);
c835e191
JO		 1182}
1183
2316f861 1184static size_t disasm_line_size(int nr)
c835e191
JO		 1185{
1186 struct annotation_line *al;
c835e191 1187
2316f861 1188 return (sizeof(struct disasm_line) + (sizeof(al->data[0]) * nr));
c835e191
JO		 1189}
1190
1191/*
1192 * Allocating the disasm annotation line data with
1193 * following structure:
1194 *
2316f861
RB		 1195 * -------------------------------------------
1196 * struct disasm_line | struct annotation_line
1197 * -------------------------------------------
c835e191
JO		 1198 *
1199 * We have 'struct annotation_line' member as last member
1200 * of 'struct disasm_line' to have an easy access.
c835e191 1201 */
4748834f 1202static struct disasm_line *disasm_line__new(struct annotate_args *args)
78f7defe 1203{
c835e191 1204 struct disasm_line *dl = NULL;
2316f861 1205 int nr = 1;
78f7defe 1206
c754c382 1207 if (evsel__is_group_event(args->evsel))
2316f861 1208 nr = args->evsel->core.nr_members;
d5490b96 1209
2316f861
RB		 1210 dl = zalloc(disasm_line_size(nr));
1211 if (!dl)
1212 return NULL;
5145418b 1213
2316f861
RB		 1214 annotation_line__init(&dl->al, args, nr);
1215 if (dl->al.line == NULL)
1216 goto out_delete;
5145418b 1217
2316f861
RB		 1218 if (args->offset != -1) {
1219 if (disasm_line__parse(dl->al.line, &dl->ins.name, &dl->ops.raw) < 0)
1220 goto out_free_line;
1221
1222 disasm_line__init_ins(dl, args->arch, &args->ms);
78f7defe
ACM		 1223 }
1224
29ed6e76 1225 return dl;
5145418b
ACM		 1226
1227out_free_line:
d5490b96 1228 zfree(&dl->al.line);
058b4cc9 1229out_delete:
29ed6e76 1230 free(dl);
058b4cc9 1231 return NULL;
78f7defe
ACM		 1232}
1233
29ed6e76 1234void disasm_line__free(struct disasm_line *dl)
78f7defe 1235{
75b49202
ACM		 1236 if (dl->ins.ops && dl->ins.ops->free)
1237 dl->ins.ops->free(&dl->ops);
c46219ac
ACM		 1238 else
1239 ins__delete(&dl->ops);
d8f9da24 1240 zfree(&dl->ins.name);
2316f861
RB		 1241 annotation_line__exit(&dl->al);
1242 free(dl);
78f7defe
ACM		 1243}
1244
bc3bb795 1245int disasm_line__scnprintf(struct disasm_line *dl, char *bf, size_t size, bool raw, int max_ins_name)
5417072b 1246{
75b49202 1247 if (raw || !dl->ins.ops)
bc3bb795 1248 return scnprintf(bf, size, "%-*s %s", max_ins_name, dl->ins.name, dl->ops.raw);
5417072b 1249
bc3bb795 1250 return ins__scnprintf(&dl->ins, bf, size, &dl->ops, max_ins_name);
5417072b
ACM		 1251}
1252
82b9d7ff 1253static void annotation_line__add(struct annotation_line *al, struct list_head *head)
78f7defe 1254{
82b9d7ff 1255 list_add_tail(&al->node, head);
78f7defe
ACM		 1256}
1257
c4c72436
JO		 1258struct annotation_line *
1259annotation_line__next(struct annotation_line *pos, struct list_head *head)
78f7defe 1260{
c4c72436
JO		 1261 list_for_each_entry_continue(pos, head, node)
1262 if (pos->offset >= 0)
78f7defe
ACM		 1263 return pos;
1264
1265 return NULL;
1266}
1267
70fbe057
PZ		 1268static const char *annotate__address_color(struct block_range *br)
1269{
1270 double cov = block_range__coverage(br);
1271
1272 if (cov >= 0) {
1273 /* mark red for >75% coverage */
1274 if (cov > 0.75)
1275 return PERF_COLOR_RED;
1276
1277 /* mark dull for <1% coverage */
1278 if (cov < 0.01)
1279 return PERF_COLOR_NORMAL;
1280 }
1281
1282 return PERF_COLOR_MAGENTA;
1283}
1284
1285static const char *annotate__asm_color(struct block_range *br)
1286{
1287 double cov = block_range__coverage(br);
1288
1289 if (cov >= 0) {
1290 /* mark dull for <1% coverage */
1291 if (cov < 0.01)
1292 return PERF_COLOR_NORMAL;
1293 }
1294
1295 return PERF_COLOR_BLUE;
1296}
1297
1298static void annotate__branch_printf(struct block_range *br, u64 addr)
1299{
1300 bool emit_comment = true;
1301
1302 if (!br)
1303 return;
1304
1305#if 1
1306 if (br->is_target && br->start == addr) {
1307 struct block_range *branch = br;
1308 double p;
1309
1310 /*
1311 * Find matching branch to our target.
1312 */
1313 while (!branch->is_branch)
1314 branch = block_range__next(branch);
1315
1316 p = 100 *(double)br->entry / branch->coverage;
1317
1318 if (p > 0.1) {
1319 if (emit_comment) {
1320 emit_comment = false;
1321 printf("\t#");
1322 }
1323
1324 /*
1325 * The percentage of coverage joined at this target in relation
1326 * to the next branch.
1327 */
1328 printf(" +%.2f%%", p);
1329 }
1330 }
1331#endif
1332 if (br->is_branch && br->end == addr) {
1333 double p = 100*(double)br->taken / br->coverage;
1334
1335 if (p > 0.1) {
1336 if (emit_comment) {
1337 emit_comment = false;
1338 printf("\t#");
1339 }
1340
1341 /*
1342 * The percentage of coverage leaving at this branch, and
1343 * its prediction ratio.
1344 */
1345 printf(" -%.2f%% (p:%.2f%%)", p, 100*(double)br->pred / br->taken);
1346 }
1347 }
1348}
1349
f48e7c40 1350static int disasm_line__print(struct disasm_line *dl, u64 start, int addr_fmt_width)
78f7defe 1351{
29971f9a
JO		 1352 s64 offset = dl->al.offset;
1353 const u64 addr = start + offset;
1354 struct block_range *br;
1355
1356 br = block_range__find(addr);
f48e7c40 1357 color_fprintf(stdout, annotate__address_color(br), " %*" PRIx64 ":", addr_fmt_width, addr);
29971f9a
JO		 1358 color_fprintf(stdout, annotate__asm_color(br), "%s", dl->al.line);
1359 annotate__branch_printf(br, addr);
1360 return 0;
1361}
1362
1363static int
1364annotation_line__print(struct annotation_line *al, struct symbol *sym, u64 start,
32dcd021 1365 struct evsel *evsel, u64 len, int min_pcnt, int printed,
796ca33d
JO		 1366 int max_lines, struct annotation_line *queue, int addr_fmt_width,
1367 int percent_type)
29971f9a
JO		 1368{
1369 struct disasm_line *dl = container_of(al, struct disasm_line, al);
78f7defe 1370 static const char *prev_line;
78f7defe 1371
29971f9a 1372 if (al->offset != -1) {
f681d593 1373 double max_percent = 0.0;
b1dd4432 1374 int i, nr_percent = 1;
78f7defe
ACM		 1375 const char *color;
1376 struct annotation *notes = symbol__annotation(sym);
ce6f4fab 1377
c2f938ba 1378 for (i = 0; i < al->data_nr; i++) {
6d9f0c2d
JO		 1379 double percent;
1380
1381 percent = annotation_data__percent(&al->data[i],
796ca33d 1382 percent_type);
78f7defe 1383
6d9f0c2d
JO		 1384 if (percent > max_percent)
1385 max_percent = percent;
b1dd4432
NK		 1386 }
1387
c2f938ba
JO		 1388 if (al->data_nr > nr_percent)
1389 nr_percent = al->data_nr;
04d2600a 1390
b1dd4432 1391 if (max_percent < min_pcnt)
36532461
ACM		 1392 return -1;
1393
e3087b80 1394 if (max_lines && printed >= max_lines)
36532461 1395 return 1;
d040bd36 1396
d5e3d747 1397 if (queue != NULL) {
29971f9a
JO		 1398 list_for_each_entry_from(queue, &notes->src->source, node) {
1399 if (queue == al)
d5e3d747 1400 break;
29971f9a 1401 annotation_line__print(queue, sym, start, evsel, len,
796ca33d
JO		 1402 0, 0, 1, NULL, addr_fmt_width,
1403 percent_type);
d5e3d747
ACM		 1404 }
1405 }
1406
b1dd4432 1407 color = get_percent_color(max_percent);
78f7defe 1408
b1dd4432 1409 for (i = 0; i < nr_percent; i++) {
0440af74 1410 struct annotation_data *data = &al->data[i];
6d9f0c2d 1411 double percent;
f681d593 1412
796ca33d 1413 percent = annotation_data__percent(data, percent_type);
6d9f0c2d 1414 color = get_percent_color(percent);
0c4a5bce
ML		 1415
1416 if (symbol_conf.show_total_period)
ce9ee4a2 1417 color_fprintf(stdout, color, " %11" PRIu64,
0440af74 1418 data->he.period);
1ac39372
TS		 1419 else if (symbol_conf.show_nr_samples)
1420 color_fprintf(stdout, color, " %7" PRIu64,
0440af74 1421 data->he.nr_samples);
0c4a5bce 1422 else
6d9f0c2d 1423 color_fprintf(stdout, color, " %7.2f", percent);
b1dd4432
NK		 1424 }
1425
f48e7c40 1426 printf(" : ");
70fbe057 1427
f48e7c40 1428 disasm_line__print(dl, start, addr_fmt_width);
f89a82a8
ML		 1429
1430 /*
1431 * Also color the filename and line if needed, with
1432 * the same color than the percentage. Don't print it
1433 * twice for close colored addr with the same filename:line
1434 */
1435 if (al->path) {
1436 if (!prev_line || strcmp(prev_line, al->path)) {
1437 color_fprintf(stdout, color, " // %s", al->path);
1438 prev_line = al->path;
1439 }
1440 }
1441
70fbe057 1442 printf("\n");
e3087b80 1443 } else if (max_lines && printed >= max_lines)
36532461
ACM		 1444 return 1;
1445 else {
ce9ee4a2 1446 int width = symbol_conf.show_total_period ? 12 : 8;
b1dd4432 1447
d5e3d747
ACM		 1448 if (queue)
1449 return -1;
1450
c754c382 1451 if (evsel__is_group_event(evsel))
5643b1a5 1452 width *= evsel->core.nr_members;
b1dd4432 1453
29971f9a 1454 if (!*al->line)
b1dd4432 1455 printf(" %*s:\n", width, " ");
78f7defe 1456 else
f89a82a8 1457 printf(" %*s: %-*d %s\n", width, " ", addr_fmt_width, al->line_nr, al->line);
78f7defe 1458 }
36532461
ACM		 1459
1460 return 0;
78f7defe
ACM		 1461}
1462
3aec150a
NK		 1463/*
1464 * symbol__parse_objdump_line() parses objdump output (with -d --no-show-raw)
1465 * which looks like following
1466 *
1467 * 0000000000415500 <_init>:
1468 * 415500: sub $0x8,%rsp
1469 * 415504: mov 0x2f5ad5(%rip),%rax # 70afe0 <_DYNAMIC+0x2f8>
1470 * 41550b: test %rax,%rax
1471 * 41550e: je 415515 <_init+0x15>
1472 * 415510: callq 416e70 <__gmon_start__@plt>
1473 * 415515: add $0x8,%rsp
1474 * 415519: retq
1475 *
1476 * it will be parsed and saved into struct disasm_line as
1477 * <offset> <name> <ops.raw>
1478 *
1479 * The offset will be a relative offset from the start of the symbol and -1
1480 * means that it's not a disassembly line so should be treated differently.
1481 * The ops.raw part will be parsed further according to type of the instruction.
1482 */
353dcaa2 1483static int symbol__parse_objdump_line(struct symbol *sym,
ea07c5aa 1484 struct annotate_args *args,
2777b81b 1485 char *parsed_line, int *line_nr, char **fileloc)
78f7defe 1486{
85a84e4f 1487 struct map *map = args->ms.map;
ce6f4fab 1488 struct annotation *notes = symbol__annotation(sym);
29ed6e76 1489 struct disasm_line *dl;
b34b45ee 1490 char *tmp;
78f7defe 1491 s64 line_ip, offset = -1;
e592488c 1492 regmatch_t match[2];
78f7defe 1493
e592488c 1494 /* /filename:linenr ? Save line number and ignore. */
986a5bc0
TS		 1495 if (regexec(&file_lineno, parsed_line, 2, match, 0) == 0) {
1496 *line_nr = atoi(parsed_line + match[1].rm_so);
2777b81b 1497 *fileloc = strdup(parsed_line);
e592488c
AK		 1498 return 0;
1499 }
1500
b34b45ee
IR		 1501 /* Process hex address followed by ':'. */
1502 line_ip = strtoull(parsed_line, &tmp, 16);
1503 if (parsed_line != tmp && tmp[0] == ':' && tmp[1] != '\0') {
78f7defe
ACM		 1504 u64 start = map__rip_2objdump(map, sym->start),
1505 end = map__rip_2objdump(map, sym->end);
1506
1507 offset = line_ip - start;
2c241bd3 1508 if ((u64)line_ip < start || (u64)line_ip >= end)
78f7defe 1509 offset = -1;
058b4cc9 1510 else
b34b45ee 1511 parsed_line = tmp + 1;
a31b7cc0 1512 }
78f7defe 1513
4748834f
JO		 1514 args->offset = offset;
1515 args->line = parsed_line;
1516 args->line_nr = *line_nr;
2777b81b 1517 args->fileloc = *fileloc;
85a84e4f 1518 args->ms.sym = sym;
4748834f
JO		 1519
1520 dl = disasm_line__new(args);
e592488c 1521 (*line_nr)++;
058b4cc9 1522
29ed6e76 1523 if (dl == NULL)
78f7defe 1524 return -1;
058b4cc9 1525
2eff0611 1526 if (!disasm_line__has_local_offset(dl)) {
bbb7f846
AH		 1527 dl->ops.target.offset = dl->ops.target.addr -
1528 map__rip_2objdump(map, sym->start);
e216874c
RB		 1529 dl->ops.target.offset_avail = true;
1530 }
bbb7f846 1531
696703af
ACM		 1532 /* kcore has no symbols, so add the call target symbol */
1533 if (dl->ins.ops && ins__is_call(&dl->ins) && !dl->ops.target.sym) {
6e427ab0 1534 struct addr_map_symbol target = {
6e427ab0 1535 .addr = dl->ops.target.addr,
d46a4cdf 1536 .ms = { .map = map, },
6e427ab0
AH		 1537 };
1538
f2eaea09 1539 if (!maps__find_ams(args->ms.maps, &target) &&
d46a4cdf
ACM		 1540 target.ms.sym->start == target.al_addr)
1541 dl->ops.target.sym = target.ms.sym;
b178170a
AH		 1542 }
1543
82b9d7ff 1544 annotation_line__add(&dl->al, &notes->src->source);
78f7defe
ACM		 1545
1546 return 0;
1547}
1548
e592488c
AK		 1549static __attribute__((constructor)) void symbol__init_regexpr(void)
1550{
1551 regcomp(&file_lineno, "^/[^:]+:([0-9]+)", REG_EXTENDED);
1552}
1553
484a5e74
AH		 1554static void delete_last_nop(struct symbol *sym)
1555{
1556 struct annotation *notes = symbol__annotation(sym);
1557 struct list_head *list = &notes->src->source;
1558 struct disasm_line *dl;
1559
1560 while (!list_empty(list)) {
a17c4ca0 1561 dl = list_entry(list->prev, struct disasm_line, al.node);
484a5e74 1562
75b49202
ACM		 1563 if (dl->ins.ops) {
1564 if (dl->ins.ops != &nop_ops)
484a5e74
AH		 1565 return;
1566 } else {
d5490b96
JO		 1567 if (!strstr(dl->al.line, " nop ") &&
1568 !strstr(dl->al.line, " nopl ") &&
1569 !strstr(dl->al.line, " nopw "))
484a5e74
AH		 1570 return;
1571 }
1572
e56fbc9d 1573 list_del_init(&dl->al.node);
484a5e74
AH		 1574 disasm_line__free(dl);
1575 }
1576}
1577
29754894 1578int symbol__strerror_disassemble(struct map_symbol *ms, int errnum, char *buf, size_t buflen)
ee51d851 1579{
29754894 1580 struct dso *dso = ms->map->dso;
ee51d851
ACM		 1581
1582 BUG_ON(buflen == 0);
1583
1584 if (errnum >= 0) {
1585 str_error_r(errnum, buf, buflen);
1586 return 0;
1587 }
1588
1589 switch (errnum) {
1590 case SYMBOL_ANNOTATE_ERRNO__NO_VMLINUX: {
1591 char bf[SBUILD_ID_SIZE + 15] = " with build id ";
1592 char *build_id_msg = NULL;
1593
1594 if (dso->has_build_id) {
bf541169 1595 build_id__sprintf(&dso->bid, bf + 15);
ee51d851
ACM		 1596 build_id_msg = bf;
1597 }
1598 scnprintf(buf, buflen,
1599 "No vmlinux file%s\nwas found in the path.\n\n"
1600 "Note that annotation using /proc/kcore requires CAP_SYS_RAWIO capability.\n\n"
1601 "Please use:\n\n"
1602 " perf buildid-cache -vu vmlinux\n\n"
1603 "or:\n\n"
1604 " --vmlinux vmlinux\n", build_id_msg ?: "");
1605 }
1606 break;
6987561c
SL		 1607 case SYMBOL_ANNOTATE_ERRNO__NO_LIBOPCODES_FOR_BPF:
1608 scnprintf(buf, buflen, "Please link with binutils's libopcode to enable BPF annotation");
1609 break;
42d7a910
ACM		 1610 case SYMBOL_ANNOTATE_ERRNO__ARCH_INIT_REGEXP:
1611 scnprintf(buf, buflen, "Problems with arch specific instruction name regular expressions.");
1612 break;
1613 case SYMBOL_ANNOTATE_ERRNO__ARCH_INIT_CPUID_PARSING:
1614 scnprintf(buf, buflen, "Problems while parsing the CPUID in the arch specific initialization.");
1615 break;
11aad897
ACM		 1616 case SYMBOL_ANNOTATE_ERRNO__BPF_INVALID_FILE:
1617 scnprintf(buf, buflen, "Invalid BPF file: %s.", dso->long_name);
1618 break;
1619 case SYMBOL_ANNOTATE_ERRNO__BPF_MISSING_BTF:
1620 scnprintf(buf, buflen, "The %s BPF file has no BTF section, compile with -g or use pahole -J.",
1621 dso->long_name);
1622 break;
ee51d851
ACM		 1623 default:
1624 scnprintf(buf, buflen, "Internal error: Invalid %d error code\n", errnum);
1625 break;
1626 }
1627
1628 return 0;
1629}
1630
05ed3ac9 1631static int dso__disassemble_filename(struct dso *dso, char *filename, size_t filename_size)
78f7defe 1632{
05ed3ac9
ACM		 1633 char linkname[PATH_MAX];
1634 char *build_id_filename;
6ebd2547 1635 char *build_id_path = NULL;
3619ef76 1636 char *pos;
b39730a6 1637 int len;
78f7defe 1638
c12944f7
ACM		 1639 if (dso->symtab_type == DSO_BINARY_TYPE__KALLSYMS &&
1640 !dso__is_kcore(dso))
05ed3ac9 1641 return SYMBOL_ANNOTATE_ERRNO__NO_VMLINUX;
c12944f7 1642
d2396999 1643 build_id_filename = dso__build_id_filename(dso, NULL, 0, false);
05ed3ac9
ACM		 1644 if (build_id_filename) {
1645 __symbol__join_symfs(filename, filename_size, build_id_filename);
1646 free(build_id_filename);
3caee094 1647 } else {
ee51d851
ACM		 1648 if (dso->has_build_id)
1649 return ENOMEM;
78f7defe 1650 goto fallback;
3caee094
ACM		 1651 }
1652
6ebd2547
TS		 1653 build_id_path = strdup(filename);
1654 if (!build_id_path)
16ed3c1e 1655 return ENOMEM;
6ebd2547 1656
3619ef76
NK		 1657 /*
1658 * old style build-id cache has name of XX/XXXXXXX.. while
1659 * new style has XX/XXXXXXX../{elf,kallsyms,vdso}.
1660 * extract the build-id part of dirname in the new style only.
1661 */
1662 pos = strrchr(build_id_path, '/');
1663 if (pos && strlen(pos) < SBUILD_ID_SIZE - 2)
1664 dirname(build_id_path);
6ebd2547 1665
b39730a6
NMT		 1666 if (dso__is_kcore(dso))
1667 goto fallback;
1668
1669 len = readlink(build_id_path, linkname, sizeof(linkname) - 1);
1670 if (len < 0)
1671 goto fallback;
1672
1673 linkname[len] = '\0';
1674 if (strstr(linkname, DSO__NAME_KALLSYMS) ||
1675 access(filename, R_OK)) {
78f7defe
ACM		 1676fallback:
1677 /*
1678 * If we don't have build-ids or the build-id file isn't in the
1679 * cache, or is just a kallsyms file, well, lets hope that this
1680 * DSO is the same as when 'perf record' ran.
1681 */
05ed3ac9 1682 __symbol__join_symfs(filename, filename_size, dso->long_name);
78f7defe
ACM		 1683 }
1684
6ebd2547 1685 free(build_id_path);
05ed3ac9
ACM		 1686 return 0;
1687}
1688
6987561c
SL		 1689#if defined(HAVE_LIBBFD_SUPPORT) && defined(HAVE_LIBBPF_SUPPORT)
1690#define PACKAGE "perf"
1691#include <bfd.h>
1692#include <dis-asm.h>
20e88c60
ACM		 1693#include <bpf/bpf.h>
1694#include <bpf/btf.h>
1695#include <bpf/libbpf.h>
1696#include <linux/btf.h>
6987561c
SL		 1697
1698static int symbol__disassemble_bpf(struct symbol *sym,
1699 struct annotate_args *args)
1700{
1701 struct annotation *notes = symbol__annotation(sym);
1702 struct annotation_options *opts = args->options;
1703 struct bpf_prog_info_linear *info_linear;
1704 struct bpf_prog_linfo *prog_linfo = NULL;
1705 struct bpf_prog_info_node *info_node;
1706 int len = sym->end - sym->start;
1707 disassembler_ftype disassemble;
1708 struct map *map = args->ms.map;
1709 struct disassemble_info info;
1710 struct dso *dso = map->dso;
1711 int pc = 0, count, sub_id;
1712 struct btf *btf = NULL;
1713 char tpath[PATH_MAX];
1714 size_t buf_size;
1715 int nr_skip = 0;
6987561c
SL		 1716 char *buf;
1717 bfd *bfdf;
11aad897 1718 int ret;
6987561c
SL		 1719 FILE *s;
1720
1721 if (dso->binary_type != DSO_BINARY_TYPE__BPF_PROG_INFO)
11aad897 1722 return SYMBOL_ANNOTATE_ERRNO__BPF_INVALID_FILE;
6987561c 1723
01e985e9
TLSC		 1724 pr_debug("%s: handling sym %s addr %" PRIx64 " len %" PRIx64 "\n", __func__,
1725 sym->name, sym->start, sym->end - sym->start);
6987561c
SL		 1726
1727 memset(tpath, 0, sizeof(tpath));
1728 perf_exe(tpath, sizeof(tpath));
1729
1730 bfdf = bfd_openr(tpath, NULL);
1731 assert(bfdf);
1732 assert(bfd_check_format(bfdf, bfd_object));
1733
1734 s = open_memstream(&buf, &buf_size);
11aad897
ACM		 1735 if (!s) {
1736 ret = errno;
6987561c 1737 goto out;
11aad897 1738 }
6987561c
SL		 1739 init_disassemble_info(&info, s,
1740 (fprintf_ftype) fprintf);
1741
1742 info.arch = bfd_get_arch(bfdf);
1743 info.mach = bfd_get_mach(bfdf);
1744
1745 info_node = perf_env__find_bpf_prog_info(dso->bpf_prog.env,
1746 dso->bpf_prog.id);
11aad897 1747 if (!info_node) {
f948eb45 1748 ret = SYMBOL_ANNOTATE_ERRNO__BPF_MISSING_BTF;
6987561c 1749 goto out;
11aad897 1750 }
6987561c
SL		 1751 info_linear = info_node->info_linear;
1752 sub_id = dso->bpf_prog.sub_id;
1753
01e985e9 1754 info.buffer = (void *)(uintptr_t)(info_linear->info.jited_prog_insns);
6987561c
SL		 1755 info.buffer_length = info_linear->info.jited_prog_len;
1756
1757 if (info_linear->info.nr_line_info)
1758 prog_linfo = bpf_prog_linfo__new(&info_linear->info);
1759
1760 if (info_linear->info.btf_id) {
1761 struct btf_node *node;
1762
1763 node = perf_env__find_btf(dso->bpf_prog.env,
1764 info_linear->info.btf_id);
1765 if (node)
1766 btf = btf__new((__u8 *)(node->data),
1767 node->data_size);
1768 }
1769
1770 disassemble_init_for_target(&info);
1771
1772#ifdef DISASM_FOUR_ARGS_SIGNATURE
1773 disassemble = disassembler(info.arch,
1774 bfd_big_endian(bfdf),
1775 info.mach,
1776 bfdf);
1777#else
1778 disassemble = disassembler(bfdf);
1779#endif
1780 assert(disassemble);
1781
1782 fflush(s);
1783 do {
1784 const struct bpf_line_info *linfo = NULL;
1785 struct disasm_line *dl;
1786 size_t prev_buf_size;
1787 const char *srcline;
1788 u64 addr;
1789
01e985e9 1790 addr = pc + ((u64 *)(uintptr_t)(info_linear->info.jited_ksyms))[sub_id];
6987561c
SL		 1791 count = disassemble(pc, &info);
1792
1793 if (prog_linfo)
1794 linfo = bpf_prog_linfo__lfind_addr_func(prog_linfo,
1795 addr, sub_id,
1796 nr_skip);
1797
1798 if (linfo && btf) {
1799 srcline = btf__name_by_offset(btf, linfo->line_off);
1800 nr_skip++;
1801 } else
1802 srcline = NULL;
1803
1804 fprintf(s, "\n");
1805 prev_buf_size = buf_size;
1806 fflush(s);
1807
1808 if (!opts->hide_src_code && srcline) {
1809 args->offset = -1;
1810 args->line = strdup(srcline);
1811 args->line_nr = 0;
2777b81b 1812 args->fileloc = NULL;
6987561c
SL		 1813 args->ms.sym = sym;
1814 dl = disasm_line__new(args);
1815 if (dl) {
1816 annotation_line__add(&dl->al,
1817 &notes->src->source);
1818 }
1819 }
1820
1821 args->offset = pc;
1822 args->line = buf + prev_buf_size;
1823 args->line_nr = 0;
2777b81b 1824 args->fileloc = NULL;
6987561c
SL		 1825 args->ms.sym = sym;
1826 dl = disasm_line__new(args);
1827 if (dl)
1828 annotation_line__add(&dl->al, &notes->src->source);
1829
1830 pc += count;
1831 } while (count > 0 && pc < len);
1832
1833 ret = 0;
1834out:
1835 free(prog_linfo);
298105b7 1836 btf__free(btf);
6987561c
SL		 1837 fclose(s);
1838 bfd_close(bfdf);
1839 return ret;
1840}
1841#else // defined(HAVE_LIBBFD_SUPPORT) && defined(HAVE_LIBBPF_SUPPORT)
1842static int symbol__disassemble_bpf(struct symbol *sym __maybe_unused,
1843 struct annotate_args *args __maybe_unused)
1844{
1845 return SYMBOL_ANNOTATE_ERRNO__NO_LIBOPCODES_FOR_BPF;
1846}
1847#endif // defined(HAVE_LIBBFD_SUPPORT) && defined(HAVE_LIBBPF_SUPPORT)
1848
3c29d448
JO		 1849static int
1850symbol__disassemble_bpf_image(struct symbol *sym,
1851 struct annotate_args *args)
1852{
1853 struct annotation *notes = symbol__annotation(sym);
1854 struct disasm_line *dl;
1855
1856 args->offset = -1;
1857 args->line = strdup("to be implemented");
1858 args->line_nr = 0;
2777b81b 1859 args->fileloc = NULL;
3c29d448
JO		 1860 dl = disasm_line__new(args);
1861 if (dl)
1862 annotation_line__add(&dl->al, &notes->src->source);
1863
1864 free(args->line);
1865 return 0;
1866}
1867
b34b45ee
IR		 1868/*
1869 * Possibly create a new version of line with tabs expanded. Returns the
1870 * existing or new line, storage is updated if a new line is allocated. If
1871 * allocation fails then NULL is returned.
1872 */
1873static char *expand_tabs(char *line, char **storage, size_t *storage_len)
1874{
1875 size_t i, src, dst, len, new_storage_len, num_tabs;
1876 char *new_line;
1877 size_t line_len = strlen(line);
1878
1879 for (num_tabs = 0, i = 0; i < line_len; i++)
1880 if (line[i] == '\t')
1881 num_tabs++;
1882
1883 if (num_tabs == 0)
1884 return line;
1885
1886 /*
1887 * Space for the line and '\0', less the leading and trailing
1888 * spaces. Each tab may introduce 7 additional spaces.
1889 */
1890 new_storage_len = line_len + 1 + (num_tabs * 7);
1891
1892 new_line = malloc(new_storage_len);
1893 if (new_line == NULL) {
1894 pr_err("Failure allocating memory for tab expansion\n");
1895 return NULL;
1896 }
1897
1898 /*
1899 * Copy regions starting at src and expand tabs. If there are two
1900 * adjacent tabs then 'src == i', the memcpy is of size 0 and the spaces
1901 * are inserted.
1902 */
1903 for (i = 0, src = 0, dst = 0; i < line_len && num_tabs; i++) {
1904 if (line[i] == '\t') {
1905 len = i - src;
1906 memcpy(&new_line[dst], &line[src], len);
1907 dst += len;
1908 new_line[dst++] = ' ';
1909 while (dst % 8 != 0)
1910 new_line[dst++] = ' ';
1911 src = i + 1;
1912 num_tabs--;
1913 }
1914 }
1915
1916 /* Expand the last region. */
5c65b1c0 1917 len = line_len - src;
b34b45ee
IR		 1918 memcpy(&new_line[dst], &line[src], len);
1919 dst += len;
1920 new_line[dst] = '\0';
1921
1922 free(*storage);
1923 *storage = new_line;
1924 *storage_len = new_storage_len;
1925 return new_line;
1926
1927}
1928
1a04db70 1929static int symbol__disassemble(struct symbol *sym, struct annotate_args *args)
05ed3ac9 1930{
1eddd9e4 1931 struct annotation_options *opts = args->options;
85a84e4f 1932 struct map *map = args->ms.map;
05ed3ac9 1933 struct dso *dso = map->dso;
6810158d 1934 char *command;
05ed3ac9
ACM		 1935 FILE *file;
1936 char symfs_filename[PATH_MAX];
1937 struct kcore_extract kce;
1938 bool delete_extract = false;
2354ae9b 1939 bool decomp = false;
05ed3ac9 1940 int lineno = 0;
2777b81b 1941 char *fileloc = NULL;
05ed3ac9 1942 int nline;
353dcaa2
IR		 1943 char *line;
1944 size_t line_len;
42359499
IR		 1945 const char *objdump_argv[] = {
1946 "/bin/sh",
1947 "-c",
1948 NULL, /* Will be the objdump command to run. */
1949 "--",
1950 NULL, /* Will be the symfs path. */
1951 NULL,
1952 };
1953 struct child_process objdump_process;
05ed3ac9
ACM		 1954 int err = dso__disassemble_filename(dso, symfs_filename, sizeof(symfs_filename));
1955
1956 if (err)
1957 return err;
1958
78f7defe 1959 pr_debug("%s: filename=%s, sym=%s, start=%#" PRIx64 ", end=%#" PRIx64 "\n", __func__,
3caee094 1960 symfs_filename, sym->name, map->unmap_ip(map, sym->start),
78f7defe
ACM		 1961 map->unmap_ip(map, sym->end));
1962
78f7defe
ACM		 1963 pr_debug("annotating [%p] %30s : [%p] %30s\n",
1964 dso, dso->long_name, sym, sym->name);
1965
6987561c
SL		 1966 if (dso->binary_type == DSO_BINARY_TYPE__BPF_PROG_INFO) {
1967 return symbol__disassemble_bpf(sym, args);
3c29d448
JO		 1968 } else if (dso->binary_type == DSO_BINARY_TYPE__BPF_IMAGE) {
1969 return symbol__disassemble_bpf_image(sym, args);
6987561c 1970 } else if (dso__is_kcore(dso)) {
afba19d9
AH		 1971 kce.kcore_filename = symfs_filename;
1972 kce.addr = map__rip_2objdump(map, sym->start);
1973 kce.offs = sym->start;
2c241bd3 1974 kce.len = sym->end - sym->start;
afba19d9
AH		 1975 if (!kcore_extract__create(&kce)) {
1976 delete_extract = true;
1977 strlcpy(symfs_filename, kce.extract_filename,
1978 sizeof(symfs_filename));
afba19d9 1979 }
2c7da8c5 1980 } else if (dso__needs_decompress(dso)) {
3c84fd53 1981 char tmp[KMOD_DECOMP_LEN];
2c7da8c5 1982
3c84fd53
NK		 1983 if (dso__decompress_kmodule_path(dso, symfs_filename,
1984 tmp, sizeof(tmp)) < 0)
42359499 1985 return -1;
2c7da8c5 1986
2354ae9b 1987 decomp = true;
2c7da8c5 1988 strcpy(symfs_filename, tmp);
afba19d9
AH		 1989 }
1990
6810158d 1991 err = asprintf(&command,
7a4ec938 1992 "%s %s%s --start-address=0x%016" PRIx64
3e6a2a7f 1993 " --stop-address=0x%016" PRIx64
3b0b16bf 1994 " -l -d %s %s %s %c%s%c %s%s -C \"$1\"",
f178fd2d 1995 opts->objdump_path ?: "objdump",
a47e843e
ACM		 1996 opts->disassembler_style ? "-M " : "",
1997 opts->disassembler_style ?: "",
78f7defe 1998 map__rip_2objdump(map, sym->start),
2c241bd3 1999 map__rip_2objdump(map, sym->end),
c5baf908 2000 opts->show_asm_raw ? "" : "--no-show-raw-insn",
3b0b16bf
AK		 2001 opts->annotate_src ? "-S" : "",
2002 opts->prefix ? "--prefix " : "",
2003 opts->prefix ? '"' : ' ',
2004 opts->prefix ?: "",
2005 opts->prefix ? '"' : ' ',
2006 opts->prefix_strip ? "--prefix-strip=" : "",
2007 opts->prefix_strip ?: "");
78f7defe 2008
6810158d
ACM		 2009 if (err < 0) {
2010 pr_err("Failure allocating memory for the command to run\n");
2011 goto out_remove_tmp;
2012 }
2013
78f7defe
ACM		 2014 pr_debug("Executing: %s\n", command);
2015
42359499
IR		 2016 objdump_argv[2] = command;
2017 objdump_argv[4] = symfs_filename;
9955d0be 2018
42359499
IR		 2019 /* Create a pipe to read from for stdout */
2020 memset(&objdump_process, 0, sizeof(objdump_process));
2021 objdump_process.argv = objdump_argv;
2022 objdump_process.out = -1;
2023 if (start_command(&objdump_process)) {
2024 pr_err("Failure starting to run %s\n", command);
2025 err = -1;
2026 goto out_free_command;
9955d0be
ACM		 2027 }
2028
42359499 2029 file = fdopen(objdump_process.out, "r");
62ec9b3f 2030 if (!file) {
9955d0be 2031 pr_err("Failure creating FILE stream for %s\n", command);
62ec9b3f
AK		 2032 /*
2033 * If we were using debug info should retry with
2034 * original binary.
2035 */
42359499
IR		 2036 err = -1;
2037 goto out_close_stdout;
62ec9b3f 2038 }
78f7defe 2039
353dcaa2
IR		 2040 /* Storage for getline. */
2041 line = NULL;
2042 line_len = 0;
2043
62ec9b3f
AK		 2044 nline = 0;
2045 while (!feof(file)) {
7a675de4 2046 const char *match;
b34b45ee 2047 char *expanded_line;
7a675de4 2048
353dcaa2
IR		 2049 if (getline(&line, &line_len, file) < 0 || !line)
2050 break;
2051
7a675de4
IR		 2052 /* Skip lines containing "filename:" */
2053 match = strstr(line, symfs_filename);
2054 if (match && match[strlen(symfs_filename)] == ':')
2055 continue;
2056
b34b45ee
IR		 2057 expanded_line = strim(line);
2058 expanded_line = expand_tabs(expanded_line, &line, &line_len);
2059 if (!expanded_line)
2060 break;
2061
ed7b339f
ACM		 2062 /*
2063 * The source code line number (lineno) needs to be kept in
adba1634 2064 * across calls to symbol__parse_objdump_line(), so that it
ed7b339f
ACM		 2065 * can associate it with the instructions till the next one.
2066 * See disasm_line__new() and struct disasm_line::line_nr.
2067 */
b34b45ee 2068 if (symbol__parse_objdump_line(sym, args, expanded_line,
2777b81b 2069 &lineno, &fileloc) < 0)
78f7defe 2070 break;
62ec9b3f
AK		 2071 nline++;
2072 }
353dcaa2 2073 free(line);
62ec9b3f 2074
42359499
IR		 2075 err = finish_command(&objdump_process);
2076 if (err)
2077 pr_err("Error running %s\n", command);
2078
2079 if (nline == 0) {
2080 err = -1;
62ec9b3f 2081 pr_err("No output from %s\n", command);
42359499 2082 }
78f7defe 2083
484a5e74
AH		 2084 /*
2085 * kallsyms does not have symbol sizes so there may a nop at the end.
2086 * Remove it.
2087 */
2088 if (dso__is_kcore(dso))
2089 delete_last_nop(sym);
2090
9955d0be 2091 fclose(file);
42359499
IR		 2092
2093out_close_stdout:
2094 close(objdump_process.out);
2095
6810158d
ACM		 2096out_free_command:
2097 free(command);
9955d0be 2098
42359499 2099out_remove_tmp:
2354ae9b 2100 if (decomp)
2c7da8c5 2101 unlink(symfs_filename);
3caee094 2102
afba19d9
AH		 2103 if (delete_extract)
2104 kcore_extract__delete(&kce);
9955d0be 2105
42359499 2106 return err;
78f7defe
ACM		 2107}
2108
48a1e4f2 2109static void calc_percent(struct sym_hist *sym_hist,
75a8c1ff 2110 struct hists *hists,
0440af74 2111 struct annotation_data *data,
073ae601
JO		 2112 s64 offset, s64 end)
2113{
2114 unsigned int hits = 0;
2115 u64 period = 0;
2116
2117 while (offset < end) {
48a1e4f2
JO		 2118 hits += sym_hist->addr[offset].nr_samples;
2119 period += sym_hist->addr[offset].period;
073ae601
JO		 2120 ++offset;
2121 }
2122
48a1e4f2 2123 if (sym_hist->nr_samples) {
0440af74
JO		 2124 data->he.period = period;
2125 data->he.nr_samples = hits;
6d9f0c2d 2126 data->percent[PERCENT_HITS_LOCAL] = 100.0 * hits / sym_hist->nr_samples;
073ae601 2127 }
75a8c1ff
JO		 2128
2129 if (hists->stats.nr_non_filtered_samples)
2130 data->percent[PERCENT_HITS_GLOBAL] = 100.0 * hits / hists->stats.nr_non_filtered_samples;
2131
ab371169
JO		 2132 if (sym_hist->period)
2133 data->percent[PERCENT_PERIOD_LOCAL] = 100.0 * period / sym_hist->period;
e58684df
JO		 2134
2135 if (hists->stats.total_period)
2136 data->percent[PERCENT_PERIOD_GLOBAL] = 100.0 * period / hists->stats.total_period;
073ae601
JO		 2137}
2138
9e4e0a9d 2139static void annotation__calc_percent(struct annotation *notes,
32dcd021 2140 struct evsel *leader, s64 len)
073ae601
JO		 2141{
2142 struct annotation_line *al, *next;
32dcd021 2143 struct evsel *evsel;
073ae601
JO		 2144
2145 list_for_each_entry(al, &notes->src->source, node) {
2146 s64 end;
2bcf7306 2147 int i = 0;
073ae601
JO		 2148
2149 if (al->offset == -1)
2150 continue;
2151
2152 next = annotation_line__next(al, &notes->src->source);
2153 end = next ? next->offset : len;
2154
2bcf7306 2155 for_each_group_evsel(evsel, leader) {
75a8c1ff 2156 struct hists *hists = evsel__hists(evsel);
0440af74 2157 struct annotation_data *data;
48a1e4f2 2158 struct sym_hist *sym_hist;
073ae601 2159
2bcf7306
JO		 2160 BUG_ON(i >= al->data_nr);
2161
38fe0e01 2162 sym_hist = annotation__histogram(notes, evsel->core.idx);
2bcf7306 2163 data = &al->data[i++];
073ae601 2164
75a8c1ff 2165 calc_percent(sym_hist, hists, data, al->offset, end);
073ae601
JO		 2166 }
2167 }
073ae601
JO		 2168}
2169
32dcd021 2170void symbol__calc_percent(struct symbol *sym, struct evsel *evsel)
073ae601
JO		 2171{
2172 struct annotation *notes = symbol__annotation(sym);
2173
9e4e0a9d 2174 annotation__calc_percent(notes, evsel, symbol__size(sym));
073ae601
JO		 2175}
2176
e0ad4d68 2177int symbol__annotate(struct map_symbol *ms, struct evsel *evsel,
29754894 2178 struct annotation_options *options, struct arch **parch)
c34df25b 2179{
29754894 2180 struct symbol *sym = ms->sym;
11db1ad4 2181 struct annotation *notes = symbol__annotation(sym);
ea07c5aa 2182 struct annotate_args args = {
d03a686e 2183 .evsel = evsel,
380195e2 2184 .options = options,
ea07c5aa 2185 };
6e6d1d65 2186 struct perf_env *env = evsel__env(evsel);
3285deba 2187 const char *arch_name = perf_env__arch(env);
c34df25b
JO		 2188 struct arch *arch;
2189 int err;
2190
c34df25b 2191 if (!arch_name)
a66fa061 2192 return errno;
c34df25b 2193
24fe7b88 2194 args.arch = arch = arch__find(arch_name);
c4db54be
LH		 2195 if (arch == NULL) {
2196 pr_err("%s: unsupported arch %s\n", __func__, arch_name);
28f4417c 2197 return ENOTSUP;
c4db54be 2198 }
c34df25b
JO		 2199
2200 if (parch)
2201 *parch = arch;
2202
2203 if (arch->init) {
5449f13c 2204 err = arch->init(arch, env ? env->cpuid : NULL);
c34df25b
JO		 2205 if (err) {
2206 pr_err("%s: failed to initialize %s arch priv area\n", __func__, arch->name);
2207 return err;
2208 }
2209 }
2210
29754894
ACM		 2211 args.ms = *ms;
2212 notes->start = map__rip_2objdump(ms->map, sym->start);
85a84e4f 2213
05d3f1a1 2214 return symbol__disassemble(sym, &args);
c34df25b
JO		 2215}
2216
c849c12c
JO		 2217static void insert_source_line(struct rb_root *root, struct annotation_line *al,
2218 struct annotation_options *opts)
78f7defe 2219{
8b4c74dc 2220 struct annotation_line *iter;
78f7defe
ACM		 2221 struct rb_node **p = &root->rb_node;
2222 struct rb_node *parent = NULL;
1491c22a 2223 int i, ret;
78f7defe
ACM		 2224
2225 while (*p != NULL) {
2226 parent = *p;
8b4c74dc 2227 iter = rb_entry(parent, struct annotation_line, rb_node);
78f7defe 2228
8b4c74dc 2229 ret = strcmp(iter->path, al->path);
41127965 2230 if (ret == 0) {
6d9f0c2d
JO		 2231 for (i = 0; i < al->data_nr; i++) {
2232 iter->data[i].percent_sum += annotation_data__percent(&al->data[i],
c849c12c 2233 opts->percent_type);
6d9f0c2d 2234 }
41127965
NK		 2235 return;
2236 }
2237
2238 if (ret < 0)
2239 p = &(*p)->rb_left;
2240 else
2241 p = &(*p)->rb_right;
2242 }
2243
6d9f0c2d
JO		 2244 for (i = 0; i < al->data_nr; i++) {
2245 al->data[i].percent_sum = annotation_data__percent(&al->data[i],
c849c12c 2246 opts->percent_type);
6d9f0c2d 2247 }
41127965 2248
8b4c74dc
JO		 2249 rb_link_node(&al->rb_node, parent, p);
2250 rb_insert_color(&al->rb_node, root);
41127965
NK		 2251}
2252
8b4c74dc 2253static int cmp_source_line(struct annotation_line *a, struct annotation_line *b)
1491c22a
NK		 2254{
2255 int i;
2256
c2f938ba
JO		 2257 for (i = 0; i < a->data_nr; i++) {
2258 if (a->data[i].percent_sum == b->data[i].percent_sum)
1491c22a 2259 continue;
c2f938ba 2260 return a->data[i].percent_sum > b->data[i].percent_sum;
1491c22a
NK		 2261 }
2262
2263 return 0;
2264}
2265
8b4c74dc 2266static void __resort_source_line(struct rb_root *root, struct annotation_line *al)
41127965 2267{
8b4c74dc 2268 struct annotation_line *iter;
41127965
NK		 2269 struct rb_node **p = &root->rb_node;
2270 struct rb_node *parent = NULL;
2271
2272 while (*p != NULL) {
2273 parent = *p;
8b4c74dc 2274 iter = rb_entry(parent, struct annotation_line, rb_node);
41127965 2275
8b4c74dc 2276 if (cmp_source_line(al, iter))
78f7defe
ACM		 2277 p = &(*p)->rb_left;
2278 else
2279 p = &(*p)->rb_right;
2280 }
2281
8b4c74dc
JO		 2282 rb_link_node(&al->rb_node, parent, p);
2283 rb_insert_color(&al->rb_node, root);
78f7defe
ACM		 2284}
2285
41127965
NK		 2286static void resort_source_line(struct rb_root *dest_root, struct rb_root *src_root)
2287{
8b4c74dc 2288 struct annotation_line *al;
41127965
NK		 2289 struct rb_node *node;
2290
2291 node = rb_first(src_root);
2292 while (node) {
2293 struct rb_node *next;
2294
8b4c74dc 2295 al = rb_entry(node, struct annotation_line, rb_node);
41127965
NK		 2296 next = rb_next(node);
2297 rb_erase(node, src_root);
2298
8b4c74dc 2299 __resort_source_line(dest_root, al);
41127965
NK		 2300 node = next;
2301 }
2302}
2303
78f7defe
ACM		 2304static void print_summary(struct rb_root *root, const char *filename)
2305{
8b4c74dc 2306 struct annotation_line *al;
78f7defe
ACM		 2307 struct rb_node *node;
2308
2309 printf("\nSorted summary for file %s\n", filename);
2310 printf("----------------------------------------------\n\n");
2311
2312 if (RB_EMPTY_ROOT(root)) {
2313 printf(" Nothing higher than %1.1f%%\n", MIN_GREEN);
2314 return;
2315 }
2316
2317 node = rb_first(root);
2318 while (node) {
1491c22a 2319 double percent, percent_max = 0.0;
78f7defe
ACM		 2320 const char *color;
2321 char *path;
1491c22a 2322 int i;
78f7defe 2323
8b4c74dc 2324 al = rb_entry(node, struct annotation_line, rb_node);
c2f938ba
JO		 2325 for (i = 0; i < al->data_nr; i++) {
2326 percent = al->data[i].percent_sum;
1491c22a
NK		 2327 color = get_percent_color(percent);
2328 color_fprintf(stdout, color, " %7.2f", percent);
2329
2330 if (percent > percent_max)
2331 percent_max = percent;
2332 }
2333
8b4c74dc 2334 path = al->path;
1491c22a 2335 color = get_percent_color(percent_max);
f048d548 2336 color_fprintf(stdout, color, " %s\n", path);
78f7defe 2337
78f7defe
ACM		 2338 node = rb_next(node);
2339 }
2340}
2341
32dcd021 2342static void symbol__annotate_hits(struct symbol *sym, struct evsel *evsel)
78f7defe
ACM		 2343{
2344 struct annotation *notes = symbol__annotation(sym);
38fe0e01 2345 struct sym_hist *h = annotation__histogram(notes, evsel->core.idx);
1b2e2df4 2346 u64 len = symbol__size(sym), offset;
78f7defe
ACM		 2347
2348 for (offset = 0; offset < len; ++offset)
896bccd3 2349 if (h->addr[offset].nr_samples != 0)
78f7defe 2350 printf("%*" PRIx64 ": %" PRIu64 "\n", BITS_PER_LONG / 2,
896bccd3 2351 sym->start + offset, h->addr[offset].nr_samples);
8158683d 2352 printf("%*s: %" PRIu64 "\n", BITS_PER_LONG / 2, "h->nr_samples", h->nr_samples);
78f7defe
ACM		 2353}
2354
f48e7c40
JO		 2355static int annotated_source__addr_fmt_width(struct list_head *lines, u64 start)
2356{
2357 char bf[32];
2358 struct annotation_line *line;
2359
2360 list_for_each_entry_reverse(line, lines, node) {
2361 if (line->offset != -1)
2362 return scnprintf(bf, sizeof(bf), "%" PRIx64, start + line->offset);
2363 }
2364
2365 return 0;
2366}
2367
29754894 2368int symbol__annotate_printf(struct map_symbol *ms, struct evsel *evsel,
982d410b 2369 struct annotation_options *opts)
78f7defe 2370{
29754894
ACM		 2371 struct map *map = ms->map;
2372 struct symbol *sym = ms->sym;
78f7defe 2373 struct dso *dso = map->dso;
bfd14b9a
DA		 2374 char *filename;
2375 const char *d_filename;
8ab2e96d 2376 const char *evsel_name = evsel__name(evsel);
ce6f4fab 2377 struct annotation *notes = symbol__annotation(sym);
38fe0e01 2378 struct sym_hist *h = annotation__histogram(notes, evsel->core.idx);
8f25b819 2379 struct annotation_line *pos, *queue = NULL;
058b4cc9 2380 u64 start = map__rip_2objdump(map, sym->start);
f48e7c40 2381 int printed = 2, queue_len = 0, addr_fmt_width;
36532461 2382 int more = 0;
982d410b 2383 bool context = opts->context;
78f7defe 2384 u64 len;
ce9ee4a2 2385 int width = symbol_conf.show_total_period ? 12 : 8;
53dd9b5f 2386 int graph_dotted_len;
787e4da9 2387 char buf[512];
78f7defe 2388
bfd14b9a
DA		 2389 filename = strdup(dso->long_name);
2390 if (!filename)
2391 return -ENOMEM;
2392
982d410b 2393 if (opts->full_path)
78f7defe
ACM		 2394 d_filename = filename;
2395 else
2396 d_filename = basename(filename);
2397
1b2e2df4 2398 len = symbol__size(sym);
b1dd4432 2399
c754c382 2400 if (evsel__is_group_event(evsel)) {
5643b1a5 2401 width *= evsel->core.nr_members;
347c751a 2402 evsel__group_desc(evsel, buf, sizeof(buf));
787e4da9
JY		 2403 evsel_name = buf;
2404 }
78f7defe 2405
4c04868f
JO		 2406 graph_dotted_len = printf(" %-*.*s| Source code & Disassembly of %s for %s (%" PRIu64 " samples, "
2407 "percent: %s)\n",
1ac39372
TS		 2408 width, width, symbol_conf.show_total_period ? "Period" :
2409 symbol_conf.show_nr_samples ? "Samples" : "Percent",
4c04868f
JO		 2410 d_filename, evsel_name, h->nr_samples,
2411 percent_type_str(opts->percent_type));
9cdbadce 2412
53dd9b5f 2413 printf("%-*.*s----\n",
9cdbadce 2414 graph_dotted_len, graph_dotted_len, graph_dotted_line);
78f7defe 2415
bb963e16 2416 if (verbose > 0)
db8fd07a 2417 symbol__annotate_hits(sym, evsel);
78f7defe 2418
f48e7c40
JO		 2419 addr_fmt_width = annotated_source__addr_fmt_width(&notes->src->source, start);
2420
8f25b819
JO		 2421 list_for_each_entry(pos, &notes->src->source, node) {
2422 int err;
2423
d5e3d747
ACM		 2424 if (context && queue == NULL) {
2425 queue = pos;
2426 queue_len = 0;
2427 }
2428
8f25b819 2429 err = annotation_line__print(pos, sym, start, evsel, len,
982d410b 2430 opts->min_pcnt, printed, opts->max_lines,
796ca33d 2431 queue, addr_fmt_width, opts->percent_type);
8f25b819
JO		 2432
2433 switch (err) {
36532461
ACM		 2434 case 0:
2435 ++printed;
d5e3d747
ACM		 2436 if (context) {
2437 printed += queue_len;
2438 queue = NULL;
2439 queue_len = 0;
2440 }
36532461
ACM		 2441 break;
2442 case 1:
2443 /* filtered by max_lines */
2444 ++more;
d040bd36 2445 break;
36532461
ACM		 2446 case -1:
2447 default:
d5e3d747
ACM		 2448 /*
2449 * Filtered by min_pcnt or non IP lines when
2450 * context != 0
2451 */
2452 if (!context)
2453 break;
2454 if (queue_len == context)
8f25b819 2455 queue = list_entry(queue->node.next, typeof(*queue), node);
d5e3d747
ACM		 2456 else
2457 ++queue_len;
36532461
ACM		 2458 break;
2459 }
2460 }
2461
bfd14b9a
DA		 2462 free(filename);
2463
36532461
ACM		 2464 return more;
2465}
f1e2701d 2466
befd2a38
ACM		 2467static void FILE__set_percent_color(void *fp __maybe_unused,
2468 double percent __maybe_unused,
2469 bool current __maybe_unused)
2470{
2471}
2472
2473static int FILE__set_jumps_percent_color(void *fp __maybe_unused,
2474 int nr __maybe_unused, bool current __maybe_unused)
2475{
2476 return 0;
2477}
2478
2479static int FILE__set_color(void *fp __maybe_unused, int color __maybe_unused)
2480{
2481 return 0;
2482}
2483
2484static void FILE__printf(void *fp, const char *fmt, ...)
2485{
2486 va_list args;
2487
2488 va_start(args, fmt);
2489 vfprintf(fp, fmt, args);
2490 va_end(args);
2491}
2492
2493static void FILE__write_graph(void *fp, int graph)
2494{
2495 const char *s;
2496 switch (graph) {
2497
2498 case DARROW_CHAR: s = "↓"; break;
2499 case UARROW_CHAR: s = "↑"; break;
2500 case LARROW_CHAR: s = "←"; break;
2501 case RARROW_CHAR: s = "→"; break;
2502 default: s = "?"; break;
2503 }
2504
2505 fputs(s, fp);
2506}
2507
4c650ddc
JO		 2508static int symbol__annotate_fprintf2(struct symbol *sym, FILE *fp,
2509 struct annotation_options *opts)
befd2a38
ACM		 2510{
2511 struct annotation *notes = symbol__annotation(sym);
4c650ddc 2512 struct annotation_write_ops wops = {
befd2a38
ACM		 2513 .first_line = true,
2514 .obj = fp,
2515 .set_color = FILE__set_color,
2516 .set_percent_color = FILE__set_percent_color,
2517 .set_jumps_percent_color = FILE__set_jumps_percent_color,
2518 .printf = FILE__printf,
2519 .write_graph = FILE__write_graph,
2520 };
2521 struct annotation_line *al;
2522
2523 list_for_each_entry(al, &notes->src->source, node) {
2524 if (annotation_line__filter(al, notes))
2525 continue;
4c650ddc 2526 annotation_line__write(al, notes, &wops, opts);
befd2a38 2527 fputc('\n', fp);
4c650ddc 2528 wops.first_line = false;
befd2a38
ACM		 2529 }
2530
2531 return 0;
2532}
2533
32dcd021 2534int map_symbol__annotation_dump(struct map_symbol *ms, struct evsel *evsel,
4c650ddc 2535 struct annotation_options *opts)
d9bd7665 2536{
8ab2e96d 2537 const char *ev_name = evsel__name(evsel);
d9bd7665
ACM		 2538 char buf[1024];
2539 char *filename;
2540 int err = -1;
2541 FILE *fp;
2542
2543 if (asprintf(&filename, "%s.annotation", ms->sym->name) < 0)
2544 return -1;
2545
2546 fp = fopen(filename, "w");
2547 if (fp == NULL)
2548 goto out_free_filename;
2549
c754c382 2550 if (evsel__is_group_event(evsel)) {
347c751a 2551 evsel__group_desc(evsel, buf, sizeof(buf));
d9bd7665
ACM		 2552 ev_name = buf;
2553 }
2554
2555 fprintf(fp, "%s() %s\nEvent: %s\n\n",
2556 ms->sym->name, ms->map->dso->long_name, ev_name);
4c650ddc 2557 symbol__annotate_fprintf2(ms->sym, fp, opts);
d9bd7665
ACM		 2558
2559 fclose(fp);
2560 err = 0;
2561out_free_filename:
2562 free(filename);
2563 return err;
2564}
2565
36532461
ACM		 2566void symbol__annotate_zero_histogram(struct symbol *sym, int evidx)
2567{
2568 struct annotation *notes = symbol__annotation(sym);
2569 struct sym_hist *h = annotation__histogram(notes, evidx);
2570
ce6f4fab 2571 memset(h, 0, notes->src->sizeof_sym_hist);
36532461
ACM		 2572}
2573
ce6f4fab 2574void symbol__annotate_decay_histogram(struct symbol *sym, int evidx)
36532461
ACM		 2575{
2576 struct annotation *notes = symbol__annotation(sym);
2577 struct sym_hist *h = annotation__histogram(notes, evidx);
1b2e2df4 2578 int len = symbol__size(sym), offset;
36532461 2579
8158683d 2580 h->nr_samples = 0;
8b84a568 2581 for (offset = 0; offset < len; ++offset) {
896bccd3 2582 h->addr[offset].nr_samples = h->addr[offset].nr_samples * 7 / 8;
8158683d 2583 h->nr_samples += h->addr[offset].nr_samples;
f1e2701d
ACM		 2584 }
2585}
2586
f8eb37bd 2587void annotated_source__purge(struct annotated_source *as)
f1e2701d 2588{
f8eb37bd 2589 struct annotation_line *al, *n;
f1e2701d 2590
f8eb37bd 2591 list_for_each_entry_safe(al, n, &as->source, node) {
e56fbc9d 2592 list_del_init(&al->node);
f8eb37bd 2593 disasm_line__free(disasm_line(al));
f1e2701d
ACM		 2594 }
2595}
2596
5145418b
ACM		 2597static size_t disasm_line__fprintf(struct disasm_line *dl, FILE *fp)
2598{
2599 size_t printed;
2600
d5490b96
JO		 2601 if (dl->al.offset == -1)
2602 return fprintf(fp, "%s\n", dl->al.line);
5145418b 2603
d5490b96 2604 printed = fprintf(fp, "%#" PRIx64 " %s", dl->al.offset, dl->ins.name);
5145418b 2605
c7e6ead7 2606 if (dl->ops.raw[0] != '\0') {
5145418b 2607 printed += fprintf(fp, "%.*s %s\n", 6 - (int)printed, " ",
c7e6ead7 2608 dl->ops.raw);
5145418b
ACM		 2609 }
2610
2611 return printed + fprintf(fp, "\n");
2612}
2613
2614size_t disasm__fprintf(struct list_head *head, FILE *fp)
2615{
2616 struct disasm_line *pos;
2617 size_t printed = 0;
2618
a17c4ca0 2619 list_for_each_entry(pos, head, al.node)
5145418b
ACM		 2620 printed += disasm_line__fprintf(pos, fp);
2621
2622 return printed;
2623}
2624
2eff0611 2625bool disasm_line__is_valid_local_jump(struct disasm_line *dl, struct symbol *sym)
0db45bcf
ACM		 2626{
2627 if (!dl || !dl->ins.ops || !ins__is_jump(&dl->ins) ||
2eff0611 2628 !disasm_line__has_local_offset(dl) || dl->ops.target.offset < 0 ||
0db45bcf
ACM		 2629 dl->ops.target.offset >= (s64)symbol__size(sym))
2630 return false;
2631
2632 return true;
2633}
2634
2635void annotation__mark_jump_targets(struct annotation *notes, struct symbol *sym)
2636{
2637 u64 offset, size = symbol__size(sym);
2638
2639 /* PLT symbols contain external offsets */
2640 if (strstr(sym->name, "@plt"))
2641 return;
2642
2643 for (offset = 0; offset < size; ++offset) {
2644 struct annotation_line *al = notes->offsets[offset];
2645 struct disasm_line *dl;
2646
2647 dl = disasm_line(al);
2648
2eff0611 2649 if (!disasm_line__is_valid_local_jump(dl, sym))
0db45bcf
ACM		 2650 continue;
2651
2652 al = notes->offsets[dl->ops.target.offset];
2653
2654 /*
2655 * FIXME: Oops, no jump target? Buggy disassembler? Or do we
2656 * have to adjust to the previous offset?
2657 */
2658 if (al == NULL)
2659 continue;
2660
2661 if (++al->jump_sources > notes->max_jump_sources)
2662 notes->max_jump_sources = al->jump_sources;
0db45bcf
ACM		 2663 }
2664}
2665
5bc49f61
ACM		 2666void annotation__set_offsets(struct annotation *notes, s64 size)
2667{
2668 struct annotation_line *al;
2669
2670 notes->max_line_len = 0;
e0560ba6
RB		 2671 notes->nr_entries = 0;
2672 notes->nr_asm_entries = 0;
5bc49f61
ACM		 2673
2674 list_for_each_entry(al, &notes->src->source, node) {
2675 size_t line_len = strlen(al->line);
2676
2677 if (notes->max_line_len < line_len)
2678 notes->max_line_len = line_len;
2679 al->idx = notes->nr_entries++;
2680 if (al->offset != -1) {
2681 al->idx_asm = notes->nr_asm_entries++;
2682 /*
2683 * FIXME: short term bandaid to cope with assembly
2684 * routines that comes with labels in the same column
2685 * as the address in objdump, sigh.
2686 *
2687 * E.g. copy_user_generic_unrolled
2688 */
2689 if (al->offset < size)
2690 notes->offsets[al->offset] = al;
2691 } else
2692 al->idx_asm = -1;
2693 }
2694}
2695
b8b0d819
ACM		 2696static inline int width_jumps(int n)
2697{
2698 if (n >= 100)
2699 return 5;
2700 if (n / 10)
2701 return 2;
2702 return 1;
2703}
2704
bc3bb795
ACM		 2705static int annotation__max_ins_name(struct annotation *notes)
2706{
2707 int max_name = 0, len;
2708 struct annotation_line *al;
2709
2710 list_for_each_entry(al, &notes->src->source, node) {
2711 if (al->offset == -1)
2712 continue;
2713
2714 len = strlen(disasm_line(al)->ins.name);
2715 if (max_name < len)
2716 max_name = len;
2717 }
2718
2719 return max_name;
2720}
2721
b8b0d819
ACM		 2722void annotation__init_column_widths(struct annotation *notes, struct symbol *sym)
2723{
2724 notes->widths.addr = notes->widths.target =
2725 notes->widths.min_addr = hex_width(symbol__size(sym));
2726 notes->widths.max_addr = hex_width(sym->end);
2727 notes->widths.jumps = width_jumps(notes->max_jump_sources);
bc3bb795 2728 notes->widths.max_ins_name = annotation__max_ins_name(notes);
b8b0d819
ACM		 2729}
2730
7232bf7a
ACM		 2731void annotation__update_column_widths(struct annotation *notes)
2732{
2733 if (notes->options->use_offset)
2734 notes->widths.target = notes->widths.min_addr;
2735 else
2736 notes->widths.target = notes->widths.max_addr;
2737
2738 notes->widths.addr = notes->widths.target;
2739
2740 if (notes->options->show_nr_jumps)
2741 notes->widths.addr += notes->widths.jumps + 1;
2742}
2743
8b4c74dc 2744static void annotation__calc_lines(struct annotation *notes, struct map *map,
c849c12c
JO		 2745 struct rb_root *root,
2746 struct annotation_options *opts)
8b4c74dc
JO		 2747{
2748 struct annotation_line *al;
2749 struct rb_root tmp_root = RB_ROOT;
2750
2751 list_for_each_entry(al, &notes->src->source, node) {
2752 double percent_max = 0.0;
2753 int i;
2754
c2f938ba 2755 for (i = 0; i < al->data_nr; i++) {
6d9f0c2d 2756 double percent;
8b4c74dc 2757
6d9f0c2d 2758 percent = annotation_data__percent(&al->data[i],
c849c12c 2759 opts->percent_type);
8b4c74dc 2760
6d9f0c2d
JO		 2761 if (percent > percent_max)
2762 percent_max = percent;
8b4c74dc
JO		 2763 }
2764
2765 if (percent_max <= 0.5)
2766 continue;
2767
425859ff
ACM		 2768 al->path = get_srcline(map->dso, notes->start + al->offset, NULL,
2769 false, true, notes->start + al->offset);
c849c12c 2770 insert_source_line(&tmp_root, al, opts);
8b4c74dc
JO		 2771 }
2772
2773 resort_source_line(root, &tmp_root);
2774}
2775
29754894 2776static void symbol__calc_lines(struct map_symbol *ms, struct rb_root *root,
c849c12c 2777 struct annotation_options *opts)
8b4c74dc 2778{
29754894 2779 struct annotation *notes = symbol__annotation(ms->sym);
8b4c74dc 2780
29754894 2781 annotation__calc_lines(notes, ms->map, root, opts);
8b4c74dc
JO		 2782}
2783
29754894 2784int symbol__tty_annotate2(struct map_symbol *ms, struct evsel *evsel,
982d410b 2785 struct annotation_options *opts)
befd2a38 2786{
29754894
ACM		 2787 struct dso *dso = ms->map->dso;
2788 struct symbol *sym = ms->sym;
befd2a38 2789 struct rb_root source_line = RB_ROOT;
0683d13c 2790 struct hists *hists = evsel__hists(evsel);
864298f2 2791 char buf[1024];
243c3a3e
JC		 2792 int err;
2793
2794 err = symbol__annotate2(ms, evsel, opts, NULL);
2795 if (err) {
2796 char msg[BUFSIZ];
befd2a38 2797
243c3a3e
JC		 2798 dso->annotate_warned = true;
2799 symbol__strerror_disassemble(ms, err, msg, sizeof(msg));
2800 ui__error("Couldn't annotate %s:\n%s", sym->name, msg);
befd2a38 2801 return -1;
243c3a3e 2802 }
befd2a38 2803
982d410b
ACM		 2804 if (opts->print_lines) {
2805 srcline_full_filename = opts->full_path;
29754894 2806 symbol__calc_lines(ms, &source_line, opts);
befd2a38
ACM		 2807 print_summary(&source_line, dso->long_name);
2808 }
2809
0683d13c 2810 hists__scnprintf_title(hists, buf, sizeof(buf));
4c04868f
JO		 2811 fprintf(stdout, "%s, [percent: %s]\n%s() %s\n",
2812 buf, percent_type_str(opts->percent_type), sym->name, dso->long_name);
4c650ddc 2813 symbol__annotate_fprintf2(sym, stdout, opts);
befd2a38
ACM		 2814
2815 annotated_source__purge(symbol__annotation(sym)->src);
2816
2817 return 0;
2818}
2819
29754894 2820int symbol__tty_annotate(struct map_symbol *ms, struct evsel *evsel,
982d410b 2821 struct annotation_options *opts)
f1e2701d 2822{
29754894
ACM		 2823 struct dso *dso = ms->map->dso;
2824 struct symbol *sym = ms->sym;
f1e2701d 2825 struct rb_root source_line = RB_ROOT;
243c3a3e
JC		 2826 int err;
2827
2828 err = symbol__annotate(ms, evsel, opts, NULL);
2829 if (err) {
2830 char msg[BUFSIZ];
f1e2701d 2831
243c3a3e
JC		 2832 dso->annotate_warned = true;
2833 symbol__strerror_disassemble(ms, err, msg, sizeof(msg));
2834 ui__error("Couldn't annotate %s:\n%s", sym->name, msg);
f1e2701d 2835 return -1;
243c3a3e 2836 }
f1e2701d 2837
05d3f1a1
JO		 2838 symbol__calc_percent(sym, evsel);
2839
982d410b
ACM		 2840 if (opts->print_lines) {
2841 srcline_full_filename = opts->full_path;
29754894 2842 symbol__calc_lines(ms, &source_line, opts);
86c98cab 2843 print_summary(&source_line, dso->long_name);
78f7defe
ACM		 2844 }
2845
29754894 2846 symbol__annotate_printf(ms, evsel, opts);
78f7defe 2847
f8eb37bd 2848 annotated_source__purge(symbol__annotation(sym)->src);
f1e2701d 2849
78f7defe
ACM		 2850 return 0;
2851}
f626adff 2852
48c65bda
NK		 2853bool ui__has_annotation(void)
2854{
2e0453af 2855 return use_browser == 1 && perf_hpp_list.sym;
48c65bda 2856}
ecda45bd 2857
2f025ea0 2858
5ecf7d30 2859static double annotation_line__max_percent(struct annotation_line *al,
4c650ddc
JO		 2860 struct annotation *notes,
2861 unsigned int percent_type)
2f025ea0
ACM		 2862{
2863 double percent_max = 0.0;
2864 int i;
2865
2866 for (i = 0; i < notes->nr_events; i++) {
6d9f0c2d
JO		 2867 double percent;
2868
2869 percent = annotation_data__percent(&al->data[i],
4c650ddc 2870 percent_type);
6d9f0c2d
JO		 2871
2872 if (percent > percent_max)
2873 percent_max = percent;
2f025ea0
ACM		 2874 }
2875
2876 return percent_max;
2877}
2878
a1e9b74c
ACM		 2879static void disasm_line__write(struct disasm_line *dl, struct annotation *notes,
2880 void *obj, char *bf, size_t size,
2881 void (*obj__printf)(void *obj, const char *fmt, ...),
2882 void (*obj__write_graph)(void *obj, int graph))
2883{
2884 if (dl->ins.ops && dl->ins.ops->scnprintf) {
2885 if (ins__is_jump(&dl->ins)) {
751b1783 2886 bool fwd;
a1e9b74c 2887
751b1783
ACM		 2888 if (dl->ops.target.outside)
2889 goto call_like;
2890 fwd = dl->ops.target.offset > dl->al.offset;
a1e9b74c
ACM		 2891 obj__write_graph(obj, fwd ? DARROW_CHAR : UARROW_CHAR);
2892 obj__printf(obj, " ");
2893 } else if (ins__is_call(&dl->ins)) {
751b1783 2894call_like:
a1e9b74c
ACM		 2895 obj__write_graph(obj, RARROW_CHAR);
2896 obj__printf(obj, " ");
2897 } else if (ins__is_ret(&dl->ins)) {
2898 obj__write_graph(obj, LARROW_CHAR);
2899 obj__printf(obj, " ");
2900 } else {
2901 obj__printf(obj, " ");
2902 }
2903 } else {
2904 obj__printf(obj, " ");
2905 }
2906
bc3bb795 2907 disasm_line__scnprintf(dl, bf, size, !notes->options->use_offset, notes->widths.max_ins_name);
a1e9b74c
ACM		 2908}
2909
ace4f8fa
JY		 2910static void ipc_coverage_string(char *bf, int size, struct annotation *notes)
2911{
2912 double ipc = 0.0, coverage = 0.0;
2913
2914 if (notes->hit_cycles)
2915 ipc = notes->hit_insn / ((double)notes->hit_cycles);
2916
2917 if (notes->total_insn) {
2918 coverage = notes->cover_insn * 100.0 /
2919 ((double)notes->total_insn);
2920 }
2921
2922 scnprintf(bf, size, "(Average IPC: %.2f, IPC Coverage: %.1f%%)",
2923 ipc, coverage);
2924}
2925
c298304b
ACM		 2926static void __annotation_line__write(struct annotation_line *al, struct annotation *notes,
2927 bool first_line, bool current_entry, bool change_color, int width,
4c650ddc 2928 void *obj, unsigned int percent_type,
c298304b
ACM		 2929 int (*obj__set_color)(void *obj, int color),
2930 void (*obj__set_percent_color)(void *obj, double percent, bool current),
2931 int (*obj__set_jumps_percent_color)(void *obj, int nr, bool current),
2932 void (*obj__printf)(void *obj, const char *fmt, ...),
2933 void (*obj__write_graph)(void *obj, int graph))
2934
2ba5eca1 2935{
4c650ddc 2936 double percent_max = annotation_line__max_percent(al, notes, percent_type);
a1e9b74c
ACM		 2937 int pcnt_width = annotation__pcnt_width(notes),
2938 cycles_width = annotation__cycles_width(notes);
2ba5eca1 2939 bool show_title = false;
a1e9b74c
ACM		 2940 char bf[256];
2941 int printed;
2ba5eca1
ACM		 2942
2943 if (first_line && (al->offset == -1 || percent_max == 0.0)) {
2944 if (notes->have_cycles) {
2945 if (al->ipc == 0.0 && al->cycles == 0)
2946 show_title = true;
2947 } else
2948 show_title = true;
2949 }
2950
2ba5eca1
ACM		 2951 if (al->offset != -1 && percent_max != 0.0) {
2952 int i;
2953
2954 for (i = 0; i < notes->nr_events; i++) {
6d9f0c2d
JO		 2955 double percent;
2956
4c650ddc 2957 percent = annotation_data__percent(&al->data[i], percent_type);
6d9f0c2d
JO		 2958
2959 obj__set_percent_color(obj, percent, current_entry);
68aac855 2960 if (symbol_conf.show_total_period) {
c2f938ba 2961 obj__printf(obj, "%11" PRIu64 " ", al->data[i].he.period);
46ccb442 2962 } else if (symbol_conf.show_nr_samples) {
2ba5eca1 2963 obj__printf(obj, "%6" PRIu64 " ",
c2f938ba 2964 al->data[i].he.nr_samples);
2ba5eca1 2965 } else {
6d9f0c2d 2966 obj__printf(obj, "%6.2f ", percent);
2ba5eca1
ACM		 2967 }
2968 }
2969 } else {
2ba5eca1
ACM		 2970 obj__set_percent_color(obj, 0, current_entry);
2971
2972 if (!show_title)
a1e9b74c 2973 obj__printf(obj, "%-*s", pcnt_width, " ");
2ba5eca1 2974 else {
a1e9b74c 2975 obj__printf(obj, "%-*s", pcnt_width,
68aac855 2976 symbol_conf.show_total_period ? "Period" :
46ccb442 2977 symbol_conf.show_nr_samples ? "Samples" : "Percent");
2ba5eca1
ACM		 2978 }
2979 }
2980
2981 if (notes->have_cycles) {
2982 if (al->ipc)
2983 obj__printf(obj, "%*.2f ", ANNOTATION__IPC_WIDTH - 1, al->ipc);
2984 else if (!show_title)
2985 obj__printf(obj, "%*s", ANNOTATION__IPC_WIDTH, " ");
2986 else
2987 obj__printf(obj, "%*s ", ANNOTATION__IPC_WIDTH - 1, "IPC");
2988
3e71fc03
JY		 2989 if (!notes->options->show_minmax_cycle) {
2990 if (al->cycles)
2991 obj__printf(obj, "%*" PRIu64 " ",
2ba5eca1 2992 ANNOTATION__CYCLES_WIDTH - 1, al->cycles);
3e71fc03
JY		 2993 else if (!show_title)
2994 obj__printf(obj, "%*s",
2995 ANNOTATION__CYCLES_WIDTH, " ");
2996 else
2997 obj__printf(obj, "%*s ",
2998 ANNOTATION__CYCLES_WIDTH - 1,
2999 "Cycle");
3000 } else {
3001 if (al->cycles) {
3002 char str[32];
3003
3004 scnprintf(str, sizeof(str),
3005 "%" PRIu64 "(%" PRIu64 "/%" PRIu64 ")",
3006 al->cycles, al->cycles_min,
3007 al->cycles_max);
3008
3009 obj__printf(obj, "%*s ",
3010 ANNOTATION__MINMAX_CYCLES_WIDTH - 1,
3011 str);
3012 } else if (!show_title)
3013 obj__printf(obj, "%*s",
3014 ANNOTATION__MINMAX_CYCLES_WIDTH,
3015 " ");
3016 else
3017 obj__printf(obj, "%*s ",
3018 ANNOTATION__MINMAX_CYCLES_WIDTH - 1,
3019 "Cycle(min/max)");
3020 }
ace4f8fa
JY		 3021
3022 if (show_title && !*al->line) {
3023 ipc_coverage_string(bf, sizeof(bf), notes);
3024 obj__printf(obj, "%*s", ANNOTATION__AVG_IPC_WIDTH, bf);
3025 }
2ba5eca1
ACM		 3026 }
3027
3028 obj__printf(obj, " ");
a1e9b74c
ACM		 3029
3030 if (!*al->line)
3031 obj__printf(obj, "%-*s", width - pcnt_width - cycles_width, " ");
3032 else if (al->offset == -1) {
3033 if (al->line_nr && notes->options->show_linenr)
3034 printed = scnprintf(bf, sizeof(bf), "%-*d ", notes->widths.addr + 1, al->line_nr);
3035 else
3036 printed = scnprintf(bf, sizeof(bf), "%-*s ", notes->widths.addr, " ");
3037 obj__printf(obj, bf);
3038 obj__printf(obj, "%-*s", width - printed - pcnt_width - cycles_width + 1, al->line);
3039 } else {
3040 u64 addr = al->offset;
3041 int color = -1;
3042
3043 if (!notes->options->use_offset)
3044 addr += notes->start;
3045
3046 if (!notes->options->use_offset) {
3047 printed = scnprintf(bf, sizeof(bf), "%" PRIx64 ": ", addr);
3048 } else {
592c10e2
ACM		 3049 if (al->jump_sources &&
3050 notes->options->offset_level >= ANNOTATION__OFFSET_JUMP_TARGETS) {
a1e9b74c
ACM		 3051 if (notes->options->show_nr_jumps) {
3052 int prev;
3053 printed = scnprintf(bf, sizeof(bf), "%*d ",
3054 notes->widths.jumps,
3055 al->jump_sources);
3056 prev = obj__set_jumps_percent_color(obj, al->jump_sources,
3057 current_entry);
3058 obj__printf(obj, bf);
3059 obj__set_color(obj, prev);
3060 }
592c10e2 3061print_addr:
a1e9b74c
ACM		 3062 printed = scnprintf(bf, sizeof(bf), "%*" PRIx64 ": ",
3063 notes->widths.target, addr);
592c10e2
ACM		 3064 } else if (ins__is_call(&disasm_line(al)->ins) &&
3065 notes->options->offset_level >= ANNOTATION__OFFSET_CALL) {
3066 goto print_addr;
3067 } else if (notes->options->offset_level == ANNOTATION__MAX_OFFSET_LEVEL) {
3068 goto print_addr;
a1e9b74c
ACM		 3069 } else {
3070 printed = scnprintf(bf, sizeof(bf), "%-*s ",
3071 notes->widths.addr, " ");
3072 }
3073 }
3074
3075 if (change_color)
3076 color = obj__set_color(obj, HE_COLORSET_ADDR);
3077 obj__printf(obj, bf);
3078 if (change_color)
3079 obj__set_color(obj, color);
3080
3081 disasm_line__write(disasm_line(al), notes, obj, bf, sizeof(bf), obj__printf, obj__write_graph);
3082
3083 obj__printf(obj, "%-*s", width - pcnt_width - cycles_width - 3 - printed, bf);
3084 }
3085
2ba5eca1
ACM		 3086}
3087
c298304b 3088void annotation_line__write(struct annotation_line *al, struct annotation *notes,
4c650ddc
JO		 3089 struct annotation_write_ops *wops,
3090 struct annotation_options *opts)
c298304b 3091{
4c650ddc
JO		 3092 __annotation_line__write(al, notes, wops->first_line, wops->current_entry,
3093 wops->change_color, wops->width, wops->obj,
3094 opts->percent_type,
3095 wops->set_color, wops->set_percent_color,
3096 wops->set_jumps_percent_color, wops->printf,
3097 wops->write_graph);
c298304b
ACM		 3098}
3099
29754894 3100int symbol__annotate2(struct map_symbol *ms, struct evsel *evsel,
ecda45bd
ACM		 3101 struct annotation_options *options, struct arch **parch)
3102{
29754894 3103 struct symbol *sym = ms->sym;
ecda45bd
ACM		 3104 struct annotation *notes = symbol__annotation(sym);
3105 size_t size = symbol__size(sym);
3106 int nr_pcnt = 1, err;
3107
3108 notes->offsets = zalloc(size * sizeof(struct annotation_line *));
3109 if (notes->offsets == NULL)
16ed3c1e 3110 return ENOMEM;
ecda45bd 3111
c754c382 3112 if (evsel__is_group_event(evsel))
5643b1a5 3113 nr_pcnt = evsel->core.nr_members;
ecda45bd 3114
e0ad4d68 3115 err = symbol__annotate(ms, evsel, options, parch);
ecda45bd
ACM		 3116 if (err)
3117 goto out_free_offsets;
3118
3119 notes->options = options;
3120
3121 symbol__calc_percent(sym, evsel);
3122
ecda45bd
ACM		 3123 annotation__set_offsets(notes, size);
3124 annotation__mark_jump_targets(notes, sym);
3125 annotation__compute_ipc(notes, size);
3126 annotation__init_column_widths(notes, sym);
3127 notes->nr_events = nr_pcnt;
3128
3129 annotation__update_column_widths(notes);
246fda09 3130 sym->annotate2 = true;
ecda45bd
ACM		 3131
3132 return 0;
3133
3134out_free_offsets:
3135 zfree(&notes->offsets);
211f493b 3136 return err;
ecda45bd 3137}
7f0b6fde 3138
7384083b 3139static int annotation__config(const char *var, const char *value, void *data)
7f0b6fde 3140{
7384083b 3141 struct annotation_options *opt = data;
7f0b6fde
ACM		 3142
3143 if (!strstarts(var, "annotate."))
3144 return 0;
3145
7384083b
RB		 3146 if (!strcmp(var, "annotate.offset_level")) {
3147 perf_config_u8(&opt->offset_level, "offset_level", value);
3148
3149 if (opt->offset_level > ANNOTATION__MAX_OFFSET_LEVEL)
3150 opt->offset_level = ANNOTATION__MAX_OFFSET_LEVEL;
3151 else if (opt->offset_level < ANNOTATION__MIN_OFFSET_LEVEL)
3152 opt->offset_level = ANNOTATION__MIN_OFFSET_LEVEL;
3153 } else if (!strcmp(var, "annotate.hide_src_code")) {
3154 opt->hide_src_code = perf_config_bool("hide_src_code", value);
3155 } else if (!strcmp(var, "annotate.jump_arrows")) {
3156 opt->jump_arrows = perf_config_bool("jump_arrows", value);
3157 } else if (!strcmp(var, "annotate.show_linenr")) {
3158 opt->show_linenr = perf_config_bool("show_linenr", value);
3159 } else if (!strcmp(var, "annotate.show_nr_jumps")) {
3160 opt->show_nr_jumps = perf_config_bool("show_nr_jumps", value);
3161 } else if (!strcmp(var, "annotate.show_nr_samples")) {
3162 symbol_conf.show_nr_samples = perf_config_bool("show_nr_samples",
3163 value);
3164 } else if (!strcmp(var, "annotate.show_total_period")) {
3165 symbol_conf.show_total_period = perf_config_bool("show_total_period",
3166 value);
3167 } else if (!strcmp(var, "annotate.use_offset")) {
3168 opt->use_offset = perf_config_bool("use_offset", value);
bbe54468
ACM		 3169 } else if (!strcmp(var, "annotate.disassembler_style")) {
3170 opt->disassembler_style = value;
44e17650
ML		 3171 } else if (!strcmp(var, "annotate.demangle")) {
3172 symbol_conf.demangle = perf_config_bool("demangle", value);
3173 } else if (!strcmp(var, "annotate.demangle_kernel")) {
3174 symbol_conf.demangle_kernel = perf_config_bool("demangle_kernel", value);
43c40231 3175 } else {
7384083b 3176 pr_debug("%s variable unknown, ignoring...", var);
43c40231 3177 }
7384083b 3178
7f0b6fde
ACM		 3179 return 0;
3180}
3181
7384083b 3182void annotation_config__init(struct annotation_options *opt)
7f0b6fde 3183{
7384083b 3184 perf_config(annotation__config, opt);
7f0b6fde 3185}
88c21190
JO		 3186
3187static unsigned int parse_percent_type(char *str1, char *str2)
3188{
3189 unsigned int type = (unsigned int) -1;
3190
3191 if (!strcmp("period", str1)) {
3192 if (!strcmp("local", str2))
3193 type = PERCENT_PERIOD_LOCAL;
3194 else if (!strcmp("global", str2))
3195 type = PERCENT_PERIOD_GLOBAL;
3196 }
3197
3198 if (!strcmp("hits", str1)) {
3199 if (!strcmp("local", str2))
3200 type = PERCENT_HITS_LOCAL;
3201 else if (!strcmp("global", str2))
3202 type = PERCENT_HITS_GLOBAL;
3203 }
3204
3205 return type;
3206}
3207
3208int annotate_parse_percent_type(const struct option *opt, const char *_str,
3209 int unset __maybe_unused)
3210{
3211 struct annotation_options *opts = opt->value;
3212 unsigned int type;
3213 char *str1, *str2;
3214 int err = -1;
3215
3216 str1 = strdup(_str);
3217 if (!str1)
3218 return -ENOMEM;
3219
3220 str2 = strchr(str1, '-');
3221 if (!str2)
3222 goto out;
3223
3224 *str2++ = 0;
3225
3226 type = parse_percent_type(str1, str2);
3227 if (type == (unsigned int) -1)
3228 type = parse_percent_type(str2, str1);
3229 if (type != (unsigned int) -1) {
3230 opts->percent_type = type;
3231 err = 0;
3232 }
3233
3234out:
3235 free(str1);
3236 return err;
3237}
3b0b16bf
AK		 3238
3239int annotate_check_args(struct annotation_options *args)
3240{
3241 if (args->prefix_strip && !args->prefix) {
3242 pr_err("--prefix-strip requires --prefix\n");
3243 return -1;
3244 }
3245 return 0;
3246}
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