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|
#! /bin/sh
# Copyright (C) 2021 Facebook
# This file is part of elfutils.
#
# This file is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# elfutils is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
. $srcdir/test-subr.sh
# // Program processed by https://github.com/facebookincubator/BOLT.
# // gcc -g -O2 -fno-reorder-blocks-and-partition -Wl,--emit-relocs primes.c -o primes
# // perf record -e cycles:u -j any,u -o perf.data -- ./primes 1000 > /dev/null
# // perf2bolt -p perf.data -o perf.fdata ./primes
# // llvm-bolt primes -o primes.bolt -data=perf.fdata -reorder-blocks=cache+ -reorder-functions=hfsort -split-functions=2 -split-all-cold -split-eh -dyno-stats -update-debug-sections
#
# #include <inttypes.h>
# #include <stdbool.h>
# #include <stdio.h>
# #include <stdlib.h>
#
# bool
# is_prime (uint32_t n)
# {
# if (n < 2)
# return false;
# if (n == 2)
# return true;
# if (n % 2 == 0)
# return false;
# for (uint32_t i = 3; i <= n / 2; i++)
# {
# if (n % i == 0)
# return false;
# }
# return true;
# }
#
# int
# main (int argc, char *argv[])
# {
# if (argc != 2)
# return EXIT_FAILURE;
# int n = atoi (argv[1]);
# for (uint32_t i = 2; n > 0; i++)
# {
# if (is_prime (i))
# {
# printf ("%" PRIu32 "\n", i);
# n--;
# }
# }
# return EXIT_SUCCESS;
# }
testfiles testfile-dw-form-indirect
testrun_compare ${abs_top_builddir}/src/readelf --debug-dump=info testfile-dw-form-indirect << EOF
DWARF section [33] '.debug_info' at offset 0x801db0:
[Offset]
Compilation unit at offset 0:
Version: 4, Abbreviation section offset: 0, Address size: 8, Offset size: 4
[ b] compile_unit abbrev: 1
producer (strp) "GNU C17 8.4.1 20200928 (Red Hat 8.4.1-1) -mtune=generic -march=x86-64 -g -O2 -fno-reorder-blocks-and-partition"
language (data1) C99 (12)
name (strp) "primes.c"
comp_dir (strp) "/home/osandov/bolt"
ranges (sec_offset) range list [ 10]
low_pc (addr) 000000000000000000
stmt_list (sec_offset) 0
[ 29] base_type abbrev: 2
byte_size (data1) 1
encoding (data1) unsigned_char (8)
name (strp) "unsigned char"
[ 30] base_type abbrev: 2
byte_size (data1) 2
encoding (data1) unsigned (7)
name (strp) "short unsigned int"
[ 37] base_type abbrev: 2
byte_size (data1) 4
encoding (data1) unsigned (7)
name (strp) "unsigned int"
[ 3e] base_type abbrev: 2
byte_size (data1) 8
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name (strp) "long unsigned int"
[ 45] base_type abbrev: 2
byte_size (data1) 1
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[ 4c] base_type abbrev: 2
byte_size (data1) 2
encoding (data1) signed (5)
name (strp) "short int"
[ 53] base_type abbrev: 3
byte_size (data1) 4
encoding (data1) signed (5)
name (string) "int"
[ 5a] typedef abbrev: 4
name (strp) "__uint32_t"
decl_file (data1) types.h (3)
decl_line (data1) 41
decl_column (data1) 22
type (ref4) [ 37]
[ 66] base_type abbrev: 2
byte_size (data1) 8
encoding (data1) signed (5)
name (strp) "long int"
[ 6d] typedef abbrev: 4
name (strp) "__off_t"
decl_file (data1) types.h (3)
decl_line (data1) 150
decl_column (data1) 25
type (ref4) [ 66]
[ 79] typedef abbrev: 4
name (strp) "__off64_t"
decl_file (data1) types.h (3)
decl_line (data1) 151
decl_column (data1) 27
type (ref4) [ 66]
[ 85] pointer_type abbrev: 5
byte_size (data1) 8
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byte_size (data1) 8
type (ref4) [ 8d]
[ 8d] base_type abbrev: 2
byte_size (data1) 1
encoding (data1) signed_char (6)
name (strp) "char"
[ 94] const_type abbrev: 7
type (ref4) [ 8d]
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decl_file (data1) stdint-uintn.h (4)
decl_line (data1) 26
decl_column (data1) 20
type (ref4) [ 5a]
[ a5] typedef abbrev: 4
name (strp) "size_t"
decl_file (data1) stddef.h (5)
decl_line (data1) 216
decl_column (data1) 23
type (ref4) [ 3e]
[ b1] structure_type abbrev: 8
name (strp) "_IO_FILE"
byte_size (data1) 216
decl_file (data1) struct_FILE.h (6)
decl_line (data1) 49
decl_column (data1) 8
sibling (ref4) [ 238]
[ be] member abbrev: 9
name (strp) "_flags"
decl_file (data1) struct_FILE.h (6)
decl_line (data1) 51
decl_column (data1) 7
type (ref4) [ 53]
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[ cb] member abbrev: 9
name (strp) "_IO_read_ptr"
decl_file (data1) struct_FILE.h (6)
decl_line (data1) 54
decl_column (data1) 9
type (ref4) [ 87]
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[ d8] member abbrev: 9
name (strp) "_IO_read_end"
decl_file (data1) struct_FILE.h (6)
decl_line (data1) 55
decl_column (data1) 9
type (ref4) [ 87]
data_member_location (data1) 16
[ e5] member abbrev: 9
name (strp) "_IO_read_base"
decl_file (data1) struct_FILE.h (6)
decl_line (data1) 56
decl_column (data1) 9
type (ref4) [ 87]
data_member_location (data1) 24
[ f2] member abbrev: 9
name (strp) "_IO_write_base"
decl_file (data1) struct_FILE.h (6)
decl_line (data1) 57
decl_column (data1) 9
type (ref4) [ 87]
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[ ff] member abbrev: 9
name (strp) "_IO_write_ptr"
decl_file (data1) struct_FILE.h (6)
decl_line (data1) 58
decl_column (data1) 9
type (ref4) [ 87]
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name (strp) "_IO_write_end"
decl_file (data1) struct_FILE.h (6)
decl_line (data1) 59
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name (strp) "_IO_buf_base"
decl_file (data1) struct_FILE.h (6)
decl_line (data1) 60
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type (ref4) [ 87]
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name (strp) "_IO_buf_end"
decl_file (data1) struct_FILE.h (6)
decl_line (data1) 61
decl_column (data1) 9
type (ref4) [ 87]
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name (strp) "_IO_save_base"
decl_file (data1) struct_FILE.h (6)
decl_line (data1) 64
decl_column (data1) 9
type (ref4) [ 87]
data_member_location (data1) 72
[ 140] member abbrev: 9
name (strp) "_IO_backup_base"
decl_file (data1) struct_FILE.h (6)
decl_line (data1) 65
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name (strp) "_IO_save_end"
decl_file (data1) struct_FILE.h (6)
decl_line (data1) 66
decl_column (data1) 9
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[ 15a] member abbrev: 9
name (strp) "_markers"
decl_file (data1) struct_FILE.h (6)
decl_line (data1) 68
decl_column (data1) 22
type (ref4) [ 251]
data_member_location (data1) 96
[ 167] member abbrev: 9
name (strp) "_chain"
decl_file (data1) struct_FILE.h (6)
decl_line (data1) 70
decl_column (data1) 20
type (ref4) [ 257]
data_member_location (data1) 104
[ 174] member abbrev: 9
name (strp) "_fileno"
decl_file (data1) struct_FILE.h (6)
decl_line (data1) 72
decl_column (data1) 7
type (ref4) [ 53]
data_member_location (data1) 112
[ 181] member abbrev: 9
name (strp) "_flags2"
decl_file (data1) struct_FILE.h (6)
decl_line (data1) 73
decl_column (data1) 7
type (ref4) [ 53]
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[ 18e] member abbrev: 9
name (strp) "_old_offset"
decl_file (data1) struct_FILE.h (6)
decl_line (data1) 74
decl_column (data1) 11
type (ref4) [ 6d]
data_member_location (data1) 120
[ 19b] member abbrev: 9
name (strp) "_cur_column"
decl_file (data1) struct_FILE.h (6)
decl_line (data1) 77
decl_column (data1) 18
type (ref4) [ 30]
data_member_location (data1) 128
[ 1a8] member abbrev: 9
name (strp) "_vtable_offset"
decl_file (data1) struct_FILE.h (6)
decl_line (data1) 78
decl_column (data1) 15
type (ref4) [ 45]
data_member_location (data1) 130
[ 1b5] member abbrev: 9
name (strp) "_shortbuf"
decl_file (data1) struct_FILE.h (6)
decl_line (data1) 79
decl_column (data1) 8
type (ref4) [ 25d]
data_member_location (data1) 131
[ 1c2] member abbrev: 9
name (strp) "_lock"
decl_file (data1) struct_FILE.h (6)
decl_line (data1) 81
decl_column (data1) 15
type (ref4) [ 26d]
data_member_location (data1) 136
[ 1cf] member abbrev: 9
name (strp) "_offset"
decl_file (data1) struct_FILE.h (6)
decl_line (data1) 89
decl_column (data1) 13
type (ref4) [ 79]
data_member_location (data1) 144
[ 1dc] member abbrev: 9
name (strp) "_codecvt"
decl_file (data1) struct_FILE.h (6)
decl_line (data1) 91
decl_column (data1) 23
type (ref4) [ 278]
data_member_location (data1) 152
[ 1e9] member abbrev: 9
name (strp) "_wide_data"
decl_file (data1) struct_FILE.h (6)
decl_line (data1) 92
decl_column (data1) 25
type (ref4) [ 283]
data_member_location (data1) 160
[ 1f6] member abbrev: 9
name (strp) "_freeres_list"
decl_file (data1) struct_FILE.h (6)
decl_line (data1) 93
decl_column (data1) 20
type (ref4) [ 257]
data_member_location (data1) 168
[ 203] member abbrev: 9
name (strp) "_freeres_buf"
decl_file (data1) struct_FILE.h (6)
decl_line (data1) 94
decl_column (data1) 9
type (ref4) [ 85]
data_member_location (data1) 176
[ 210] member abbrev: 9
name (strp) "__pad5"
decl_file (data1) struct_FILE.h (6)
decl_line (data1) 95
decl_column (data1) 10
type (ref4) [ a5]
data_member_location (data1) 184
[ 21d] member abbrev: 9
name (strp) "_mode"
decl_file (data1) struct_FILE.h (6)
decl_line (data1) 96
decl_column (data1) 7
type (ref4) [ 53]
data_member_location (data1) 192
[ 22a] member abbrev: 9
name (strp) "_unused2"
decl_file (data1) struct_FILE.h (6)
decl_line (data1) 98
decl_column (data1) 8
type (ref4) [ 289]
data_member_location (data1) 196
[ 238] typedef abbrev: 4
name (strp) "FILE"
decl_file (data1) FILE.h (7)
decl_line (data1) 7
decl_column (data1) 25
type (ref4) [ b1]
[ 244] typedef abbrev: 10
name (strp) "_IO_lock_t"
decl_file (data1) struct_FILE.h (6)
decl_line (data1) 43
decl_column (data1) 14
[ 24c] structure_type abbrev: 11
name (strp) "_IO_marker"
declaration (flag_present) yes
[ 251] pointer_type abbrev: 6
byte_size (data1) 8
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upper_bound (data1) 0
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byte_size (data1) 8
type (ref4) [ 244]
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name (strp) "_IO_codecvt"
declaration (flag_present) yes
[ 278] pointer_type abbrev: 6
byte_size (data1) 8
type (ref4) [ 273]
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name (strp) "_IO_wide_data"
declaration (flag_present) yes
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byte_size (data1) 8
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type (ref4) [ 8d]
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[ 299] variable abbrev: 14
name (strp) "stdin"
decl_file (data1) stdio.h (8)
decl_line (data1) 137
decl_column (data1) 14
type (ref4) [ 2a5]
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declaration (flag_present) yes
[ 2a5] pointer_type abbrev: 6
byte_size (data1) 8
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decl_file (data1) stdio.h (8)
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declaration (flag_present) yes
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name (strp) "stderr"
decl_file (data1) stdio.h (8)
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decl_column (data1) 14
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declaration (flag_present) yes
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name (strp) "sys_nerr"
decl_file (data1) sys_errlist.h (9)
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decl_column (data1) 12
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type (ref4) [ 2df]
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decl_file (data1) sys_errlist.h (9)
decl_line (data1) 27
decl_column (data1) 26
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declaration (flag_present) yes
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[ 2fd] base_type abbrev: 2
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frame_base (exprloc)
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GNU_all_call_sites (flag_present) yes
sibling (ref4) [ 429]
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decl_file (data1) primes.c (1)
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call_file (data1) primes.c (1)
call_line (data1) 31
call_column (data1) 11
sibling (ref4) [ 3cb]
[ 394] formal_parameter abbrev: 21
abstract_origin (ref4) [ 440]
location (sec_offset) location list [ 1dd]
GNU_locviews (sec_offset) location list [ 186]
[ 3a1] inlined_subroutine abbrev: 22
abstract_origin (ref4) [ 42f]
ranges (sec_offset) range list [ 120]
call_file (data1) primes.c (1)
call_line (data1) 7
call_column (data1) 1
[ 3ad] formal_parameter abbrev: 23
abstract_origin (ref4) [ 440]
[ 3b2] lexical_block abbrev: 24
abstract_origin (ref4) [ 44a]
ranges (sec_offset) range list [ 120]
[ 3bb] variable abbrev: 25
abstract_origin (ref4) [ 44b]
location (sec_offset) location list [ 250]
GNU_locviews (sec_offset) location list [ 203]
[ 3cb] GNU_call_site abbrev: 26
low_pc (addr) 0x0000000000a000c7 <.annobin_init.c.unlikely.cold.0+0x47>
abstract_origin (ref4) [ 4e2]
[ 3d8] GNU_call_site_parameter abbrev: 27
location (exprloc)
[ 0] reg5
GNU_call_site_value (exprloc)
[ 0] addr 0x400788 <__dso_handle+0x8>
[ 3e5] GNU_call_site_parameter abbrev: 27
location (exprloc)
[ 0] reg4
GNU_call_site_value (exprloc)
[ 0] breg3 -1
[ 3ed] inlined_subroutine abbrev: 28
abstract_origin (ref4) [ 45e]
entry_pc (addr) 0x00000000004004fb
GNU_entry_view (data1) 1
ranges (sec_offset) range list [ 150]
call_file (data1) primes.c (1)
call_line (data1) 28
call_column (data1) 11
[ 402] formal_parameter abbrev: 21
abstract_origin (ref4) [ 470]
location (sec_offset) location list [ 2ad]
GNU_locviews (sec_offset) location list [ 268]
[ 40f] GNU_call_site abbrev: 26
low_pc (addr) 0x0000000000a000a4 <.annobin_init.c.unlikely.cold.0+0x24>
abstract_origin (ref4) [ 4ef]
[ 41c] GNU_call_site_parameter abbrev: 27
location (exprloc)
[ 0] reg4
GNU_call_site_value (exprloc)
[ 0] lit0
[ 421] GNU_call_site_parameter abbrev: 27
location (exprloc)
[ 0] reg1
GNU_call_site_value (exprloc)
[ 0] lit10
[ 429] pointer_type abbrev: 6
byte_size (data1) 8
type (ref4) [ 87]
[ 42f] subprogram abbrev: 29
external (flag_present) yes
name (strp) "is_prime"
decl_file (data1) primes.c (1)
decl_line (data1) 7
decl_column (data1) 1
prototyped (flag_present) yes
type (ref4) [ 457]
inline (data1) inlined (1)
sibling (ref4) [ 457]
[ 440] formal_parameter abbrev: 30
name (string) "n"
decl_file (data1) primes.c (1)
decl_line (data1) 7
decl_column (data1) 20
type (ref4) [ 99]
[ 44a] lexical_block abbrev: 31
[ 44b] variable abbrev: 32
name (string) "i"
decl_file (data1) primes.c (1)
decl_line (data1) 15
decl_column (data1) 17
type (ref4) [ 99]
[ 457] base_type abbrev: 2
byte_size (data1) 1
encoding (data1) boolean (2)
name (strp) "_Bool"
[ 45e] subprogram abbrev: 33
external (flag_present) yes
name (strp) "atoi"
decl_file (data1) stdlib.h (2)
decl_line (data2) 361
decl_column (data1) 1
prototyped (flag_present) yes
type (ref4) [ 53]
inline (data1) declared_inlined (3)
sibling (ref4) [ 47e]
[ 470] formal_parameter abbrev: 34
name (strp) "__nptr"
decl_file (data1) stdlib.h (2)
decl_line (data2) 361
decl_column (data1) 1
type (ref4) [ 2df]
[ 47e] subprogram abbrev: 35
abstract_origin (ref4) [ 42f]
low_pc (addr) 0x0000000000400680 <is_prime>
high_pc (data8) 101 (0x00000000004006e5)
frame_base (exprloc)
[ 0] call_frame_cfa
GNU_all_call_sites (flag_present) yes
sibling (ref4) [ 4e2]
[ 499] formal_parameter abbrev: 36
abstract_origin (ref4) [ 440]
location (exprloc)
[ 0] reg5
[ 4a0] inlined_subroutine abbrev: 37
abstract_origin (ref4) [ 42f]
ranges (sec_offset) range list [ 1a0]
low_pc (addr) 000000000000000000
call_file (data1) primes.c (1)
call_line (data1) 7
call_column (data1) 1
[ 4b8] formal_parameter abbrev: 23
abstract_origin (ref4) [ 440]
[ 4bd] lexical_block abbrev: 38
abstract_origin (ref4) [ 44a]
ranges (sec_offset) range list [ 1a0]
low_pc (addr) 000000000000000000
[ 4d2] variable abbrev: 25
abstract_origin (ref4) [ 44b]
location (sec_offset) location list [ 2d1]
GNU_locviews (sec_offset) location list [ 28e]
[ 4e2] subprogram abbrev: 39
external (flag_present) yes
declaration (flag_present) yes
linkage_name (strp) "printf"
name (strp) "printf"
decl_file (data1) stdio.h (8)
decl_line (data2) 332
decl_column (data1) 12
[ 4ef] subprogram abbrev: 40
external (flag_present) yes
declaration (flag_present) yes
linkage_name (strp) "strtol"
name (strp) "strtol"
decl_file (data1) stdlib.h (2)
decl_line (data1) 176
decl_column (data1) 17
EOF
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