c语言打印调用栈

#include <execinfo.h>


int backtrace(void **buffer, int size);
char **backtrace_symbols(void *const *buffer, int size);

void backtrace_symbols_fd(void *const *buffer, int size, int fd);

代码示例

#include <stdio.h>#include <execinfo.h>#include <stdlib.h>void fun1();void fun2();void fun3();void fun4();void fun5();void fun6();void print_callstack();int main(){fun6();return 0;}void fun1(){print_callstack();}void fun2(){fun1();}void fun3(){fun2();}void fun4(){fun3();}void fun5(){fun4();}void fun6(){fun5();}void print_callstack(){int size = 32;int i;void *array[32];int stack_num = backtrace(array, size);char **stacktrace = NULL;printf("%s begin\n", __func__);stacktrace = (char**)backtrace_symbols(array, stack_num);for (i = 0; i < stack_num; i++){printf("%s\n", stacktrace[i]);}free(stacktrace);printf("%s end\n", __func__);}

[~]$ gcc test.c 
[~]$ ./a.out 
print_callstack begin
./a.out() [0x4006f8]
./a.out() [0x400680]
./a.out() [0x400690]
./a.out() [0x4006a0]
./a.out() [0x4006b0]
./a.out() [0x4006c0]
./a.out() [0x4006d0]
./a.out() [0x40066b]
/lib64/libc.so.6(__libc_start_main+0xf5) [0x7f523b25ec05]
./a.out() [0x400599]
print_callstack end


[~]$ nm -n a.out 
                 U backtrace@@GLIBC_2.2.5
                 U backtrace_symbols@@GLIBC_2.2.5
                 U free@@GLIBC_2.2.5
                 w __gmon_start__
                 w _ITM_deregisterTMCloneTable
                 w _ITM_registerTMCloneTable
                 w _Jv_RegisterClasses
                 U __libc_start_main@@GLIBC_2.2.5
                 U printf@@GLIBC_2.2.5
                 U puts@@GLIBC_2.2.5
00000000004004d0 T _init
0000000000400570 T _start
00000000004005a0 t deregister_tm_clones
00000000004005d0 t register_tm_clones
0000000000400610 t __do_global_dtors_aux
0000000000400630 t frame_dummy
000000000040065d T main
0000000000400672 T fun1
0000000000400682 T fun2
0000000000400692 T fun3
00000000004006a2 T fun4
00000000004006b2 T fun5
00000000004006c2 T fun6
00000000004006d2 T print_callstack
0000000000400790 T __libc_csu_init
0000000000400800 T __libc_csu_fini
0000000000400804 T _fini
0000000000400810 R _IO_stdin_used
0000000000400818 R __dso_handle
0000000000400840 r __func__.2719
0000000000400a90 r __FRAME_END__
0000000000600e10 t __frame_dummy_init_array_entry
0000000000600e10 t __init_array_start
0000000000600e18 t __do_global_dtors_aux_fini_array_entry
0000000000600e18 t __init_array_end
0000000000600e20 d __JCR_END__
0000000000600e20 d __JCR_LIST__
0000000000600e28 d _DYNAMIC
0000000000601000 d _GLOBAL_OFFSET_TABLE_
0000000000601050 D __data_start
0000000000601050 W data_start
0000000000601054 B __bss_start
0000000000601054 b completed.6344
0000000000601054 D _edata
0000000000601058 B _end
0000000000601058 D __TMC_END__
[~]$