Breakpoint 1, 0x0000003c4e417410 in open64 () from /lib64/ld-linux-x86-64.so.2
(gdb) bt
#0 0x0000003c4e417410 in open64 () from /lib64/ld-linux-x86-64.so.2
#1 0x0000003c4e40f789 in _dl_sysdep_read_whole_file () from /lib64/ld-linux-x86-64.so.2
#2 0x0000003c4e408d78 in _dl_load_cache_lookup () from /lib64/ld-linux-x86-64.so.2
#3 0x0000003c4e408612 in _dl_map_object () from /lib64/ld-linux-x86-64.so.2
#4 0x0000003c4e40c3a2 in openaux () from /lib64/ld-linux-x86-64.so.2
#5 0x0000003c4e40e286 in _dl_catch_error () from /lib64/ld-linux-x86-64.so.2
#6 0x0000003c4e40ca85 in _dl_map_object_deps () from /lib64/ld-linux-x86-64.so.2
#7 0x0000003c4e403310 in dl_main () from /lib64/ld-linux-x86-64.so.2
#8 0x0000003c4e4160ae in _dl_sysdep_start () from /lib64/ld-linux-x86-64.so.2
#9 0x0000003c4e4014a4 in _dl_start () from /lib64/ld-linux-x86-64.so.2
#10 0x0000003c4e400b08 in _start () from /lib64/ld-linux-x86-64.so.2
#11 0x0000000000000001 in ?? ()
#12 0x00007fffffffe85b in ?? ()
#13 0x0000000000000000 in ?? ()
(gdb) bt 1
#0 0x0000003c4e417410 in open64 () from /lib64/ld-linux-x86-64.so.2
(More stack frames follow...)
(gdb) bt 2
#0 0x0000003c4e417410 in open64 () from /lib64/ld-linux-x86-64.so.2
#1 0x0000003c4e40f789 in _dl_sysdep_read_whole_file () from /lib64/ld-linux-x86-64.so.2
(More stack frames follow...)
(gdb) bt 3
#0 0x0000003c4e417410 in open64 () from /lib64/ld-linux-x86-64.so.2
#1 0x0000003c4e40f789 in _dl_sysdep_read_whole_file () from /lib64/ld-linux-x86-64.so.2
#2 0x0000003c4e408d78 in _dl_load_cache_lookup () from /lib64/ld-linux-x86-64.so.2
(More stack frames follow...)
(gdb) bt -1
#13 0x0000000000000000 in ?? ()
(gdb) bt -2
[root@monitor ~]# cat test.c
#include <stdio.h>
#include <stdlib.h>
main()
{
int *p1=malloc(4);
int *p2=malloc(4);
int *p3=malloc(4);
int *p4=malloc(4);
int *p5=malloc(4);
printf("%p\n",p1);
printf("%p\n",p2);
printf("%p\n",p3);
printf("%p\n",p4);
printf("%p\n",p5);
printf("1231238888::");
}
[root@monitor ~]# readelf -s ./test
Symbol table '.dynsym' contains 5 entries:
Num: Value Size Type Bind Vis Ndx Name
0: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND
1: 0000000000000000 0 FUNC GLOBAL DEFAULT UND printf@GLIBC_2.2.5 (2)
2: 0000000000000000 0 NOTYPE WEAK DEFAULT UND __gmon_start__
3: 0000000000000000 0 FUNC GLOBAL DEFAULT UND malloc@GLIBC_2.2.5 (2)
4: 0000000000000000 0 FUNC GLOBAL DEFAULT UND __libc_start_main@GLIBC_2.2.5 (2)
Symbol table '.symtab' contains 72 entries:
Num: Value Size Type Bind Vis Ndx Name
0: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND
1: 0000000000400200 0 SECTION LOCAL DEFAULT 1
2: 000000000040021c 0 SECTION LOCAL DEFAULT 2
3: 000000000040023c 0 SECTION LOCAL DEFAULT 3
4: 0000000000400260 0 SECTION LOCAL DEFAULT 4
5: 0000000000400280 0 SECTION LOCAL DEFAULT 5
6: 00000000004002f8 0 SECTION LOCAL DEFAULT 6
7: 000000000040033e 0 SECTION LOCAL DEFAULT 7
8: 0000000000400348 0 SECTION LOCAL DEFAULT 8
9: 0000000000400368 0 SECTION LOCAL DEFAULT 9
10: 0000000000400380 0 SECTION LOCAL DEFAULT 10
11: 00000000004003c8 0 SECTION LOCAL DEFAULT 11
12: 00000000004003e0 0 SECTION LOCAL DEFAULT 12
13: 0000000000400420 0 SECTION LOCAL DEFAULT 13
14: 00000000004006c8 0 SECTION LOCAL DEFAULT 14
15: 00000000004006d8 0 SECTION LOCAL DEFAULT 15
16: 00000000004006fc 0 SECTION LOCAL DEFAULT 16
17: 0000000000400720 0 SECTION LOCAL DEFAULT 17
18: 00000000006007a0 0 SECTION LOCAL DEFAULT 18
19: 00000000006007b0 0 SECTION LOCAL DEFAULT 19
20: 00000000006007c0 0 SECTION LOCAL DEFAULT 20
21: 00000000006007c8 0 SECTION LOCAL DEFAULT 21
22: 0000000000600958 0 SECTION LOCAL DEFAULT 22
23: 0000000000600960 0 SECTION LOCAL DEFAULT 23
24: 0000000000600990 0 SECTION LOCAL DEFAULT 24
25: 0000000000600998 0 SECTION LOCAL DEFAULT 25
26: 0000000000000000 0 SECTION LOCAL DEFAULT 26
27: 0000000000000000 0 SECTION LOCAL DEFAULT 27
28: 0000000000000000 0 SECTION LOCAL DEFAULT 28
29: 0000000000000000 0 SECTION LOCAL DEFAULT 29
30: 0000000000000000 0 SECTION LOCAL DEFAULT 30
31: 0000000000000000 0 SECTION LOCAL DEFAULT 31
32: 0000000000000000 0 SECTION LOCAL DEFAULT 32
33: 0000000000000000 0 SECTION LOCAL DEFAULT 33
34: 000000000040044c 0 FUNC LOCAL DEFAULT 13 call_gmon_start
35: 0000000000000000 0 FILE LOCAL DEFAULT ABS crtstuff.c
36: 00000000006007a0 0 OBJECT LOCAL DEFAULT 18 __CTOR_LIST__
37: 00000000006007b0 0 OBJECT LOCAL DEFAULT 19 __DTOR_LIST__
38: 00000000006007c0 0 OBJECT LOCAL DEFAULT 20 __JCR_LIST__
39: 0000000000400470 0 FUNC LOCAL DEFAULT 13 __do_global_dtors_aux
40: 0000000000600998 1 OBJECT LOCAL DEFAULT 25 completed.6349
41: 00000000006009a0 8 OBJECT LOCAL DEFAULT 25 dtor_idx.6351
42: 00000000004004e0 0 FUNC LOCAL DEFAULT 13 frame_dummy
43: 0000000000000000 0 FILE LOCAL DEFAULT ABS crtstuff.c
44: 00000000006007a8 0 OBJECT LOCAL DEFAULT 18 __CTOR_END__
45: 0000000000400798 0 OBJECT LOCAL DEFAULT 17 __FRAME_END__
46: 00000000006007c0 0 OBJECT LOCAL DEFAULT 20 __JCR_END__
47: 0000000000400690 0 FUNC LOCAL DEFAULT 13 __do_global_ctors_aux
48: 0000000000000000 0 FILE LOCAL DEFAULT ABS test.c
49: 0000000000600960 0 OBJECT LOCAL DEFAULT 23 _GLOBAL_OFFSET_TABLE_
50: 000000000060079c 0 NOTYPE LOCAL DEFAULT 18 __init_array_end
51: 000000000060079c 0 NOTYPE LOCAL DEFAULT 18 __init_array_start
52: 00000000006007c8 0 OBJECT LOCAL DEFAULT 21 _DYNAMIC
53: 0000000000600990 0 NOTYPE WEAK DEFAULT 24 data_start
54: 0000000000000000 0 FUNC GLOBAL DEFAULT UND printf@@GLIBC_2.2.5
55: 00000000004005f0 2 FUNC GLOBAL DEFAULT 13 __libc_csu_fini
56: 0000000000400420 0 FUNC GLOBAL DEFAULT 13 _start
57: 0000000000000000 0 NOTYPE WEAK DEFAULT UND __gmon_start__
58: 0000000000000000 0 NOTYPE WEAK DEFAULT UND _Jv_RegisterClasses
59: 00000000004006c8 0 FUNC GLOBAL DEFAULT 14 _fini
60: 0000000000000000 0 FUNC GLOBAL DEFAULT UND malloc@@GLIBC_2.2.5
61: 0000000000000000 0 FUNC GLOBAL DEFAULT UND __libc_start_main@@GLIBC_
62: 00000000004006d8 4 OBJECT GLOBAL DEFAULT 15 _IO_stdin_used
63: 0000000000600990 0 NOTYPE GLOBAL DEFAULT 24 __data_start
64: 00000000004006e0 0 OBJECT GLOBAL HIDDEN 15 __dso_handle
65: 00000000006007b8 0 OBJECT GLOBAL HIDDEN 19 __DTOR_END__
66: 0000000000400600 137 FUNC GLOBAL DEFAULT 13 __libc_csu_init
67: 0000000000600994 0 NOTYPE GLOBAL DEFAULT ABS __bss_start
68: 00000000006009a8 0 NOTYPE GLOBAL DEFAULT ABS _end
69: 0000000000600994 0 NOTYPE GLOBAL DEFAULT ABS _edata
70: 0000000000400504 223 FUNC GLOBAL DEFAULT 13 main
71: 00000000004003c8 0 FUNC GLOBAL DEFAULT 11 _init
[root@localhost trace]# readelf -s ./test | gawk '
{
if($4 == "FUNC" && $2 != 0) {
print "# code for " $NF;
print "b *0x" $2;
print "commands";
print "silent";
print "bt 1";
print "c";
print "end";
print "";
}
}' > sym;
[root@monitor ~]# cat sym
# code for call_gmon_start
b *0x000000000040044c
commands
silent
bt 1
c
end
# code for __do_global_dtors_aux
b *0x0000000000400470
commands
silent
bt 1
c
end
# code for frame_dummy
b *0x00000000004004e0
commands
silent
bt 1
c
end
# code for __do_global_ctors_aux
b *0x0000000000400690
commands
silent
bt 1
c
end
# code for __libc_csu_fini
b *0x00000000004005f0
commands
silent
bt 1
c
end
# code for _start
b *0x0000000000400420
commands
silent
bt 1
c
end
# code for _fini
b *0x00000000004006c8
commands
silent
bt 1
c
end
# code for __libc_csu_init
b *0x0000000000400600
commands
silent
bt 1
c
end
# code for main
b *0x0000000000400504
commands
silent
bt 1
c
end
# code for _init
b *0x00000000004003c8
commands
silent
bt 1
c
end
[root@monitor ~]# gdb --command=sym ./test -q
Reading symbols from /root/test...done.
Breakpoint 1 at 0x40044c
Breakpoint 2 at 0x400470
Breakpoint 3 at 0x4004e0
Breakpoint 4 at 0x400690
Breakpoint 5 at 0x4005f0
Breakpoint 6 at 0x400420
Breakpoint 7 at 0x4006c8
Breakpoint 8 at 0x400600
Breakpoint 9 at 0x400504: file test.c, line 5.
Breakpoint 10 at 0x4003c8
(gdb) r
Starting program: /root/test
#0 0x0000000000400420 in _start ()
#0 0x0000000000400600 in __libc_csu_init ()
#0 0x00000000004003c8 in _init ()
#0 0x000000000040044c in call_gmon_start ()
#0 0x00000000004004e0 in frame_dummy ()
#0 0x0000000000400690 in __do_global_ctors_aux ()
#0 main () at test.c:5
0x601010
0x601030
0x601050
0x601070
0x601090
#0 0x00000000004006c8 in _fini ()
#0 0x0000000000400470 in __do_global_dtors_aux ()
1231238888::
Program exited with code 014.
Missing separate debuginfos, use: debuginfo-install glibc-2.12-1.166.el6_7.7.x86_64
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