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The Linux specific backtrace() and backtrace_symbols() allows you to produce a call trace of the program. However, it only prints function addresses, not their names for my program. How can I make them print the function names as well ? I've tried compiling the program with -g as well as -ggdb . The test case below just prints this: BACKTRACE ------------ ./a.out() [0x8048616] ./a.out() [0x8048623] /lib/libc.so.6(__libc_start_main+0xf3) [0x4a937413] ./a.out() [0x8048421] ---------------------- I'd want the first 2 items to also show the function names, foo and main Code: #include <execinfo.h> #include <string.h> #include <errno.h> #include <unistd.h> #include <stdlib.h> static void full_write(int fd, const char *buf, size_t len) { while (len > 0) { ssize_t ret = write(fd, buf, len); if ((ret == -1) && (errno != EINTR)) break; buf += (size_t) ret; len -= (size_t) ret; } } void print_backtrace(void) { static const char start[] = "BACKTRACE ------------\n"; static const char end[] = "----------------------\n"; void *bt[1024]; int bt_size; char **bt_syms; int i; bt_size = backtrace(bt, 1024); bt_syms = backtrace_symbols(bt, bt_size); full_write(STDERR_FILENO, start, strlen(start)); for (i = 1; i < bt_size; i++) { size_t len = strlen(bt_syms[i]); full_write(STDERR_FILENO, bt_syms[i], len); full_write(STDERR_FILENO, "\n", 1); } full_write(STDERR_FILENO, end, strlen(end)); free(bt_syms); } void foo() { print_backtrace(); } int main() { foo(); return 0; }

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