$ gdb ecrash_test.debug 
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This GDB was configured as "x86_64-suse-linux"...Using host libthread_db library "/lib64/tls/libthread_db.so.1".

(gdb) list *0x401a84
0x401a84 is in createGlobalBacktrace (eCrash.c:305).
300	 *
301	 */
302	static void createGlobalBacktrace( void )
303	{
304	
305		gbl_backtraceEntries = backtrace(gbl_backtraceBuffer,
306						                 gbl_params.maxStackDepth);
307	
308		/* This is NOT signal safe -- it calls malloc.  We need to
309		   let the caller pass in a pointer to a symbol table inside of
(gdb) list *0x401bfa
0x401bfa is in outputBacktrace (eCrash.c:361).
356	 * Output our current stack's backtrace
357	 */
358	static void outputBacktrace( void )
359	{
360		createGlobalBacktrace();
361		outputGlobalBacktrace();
362	} /* outputBacktrace */
363	
364	static void outputBacktraceThreads( void )
365	{
(gdb) list *0x401d6b
0x401d6b is in crash_handler (eCrash.c:416).
411		outputPrintf("*  Got a crash! signo=%d\n", signo);
412		outputPrintf("*\n");
413		outputPrintf("*  Offending Thread's Backtrace:\n");
414		outputPrintf("*\n");
415		outputBacktrace();
416		outputPrintf("*\n");
417	
418		if (gbl_params.dumpAllThreads != FALSE) {
419			outputBacktraceThreads();
420		}
(gdb) list *0x2aaaaad04f00
No source file for address 0x2aaaaad04f00.
(gdb) list *0x400ed4
0x400ed4 is in crashC (ecrash_test.c:83).
78	
79	void crashC(char *name)
80	{
81			int *kaBoom = NULL;
82			printf("%s: kaBoom\n", name); fflush(stdout);
83			*kaBoom = 7;
84	}
85	void crashB(char *name)
86	{
87			crashC(name);
(gdb) list *0x400ef1
0x400ef1 is in crashB (ecrash_test.c:88).
83			*kaBoom = 7;
84	}
85	void crashB(char *name)
86	{
87			crashC(name);
88	}
89	void crashA (char *name)
90	{
91			crashB(name);
92	}
(gdb) list *0x400f08
0x400f08 is in crashA (ecrash_test.c:92).
87			crashC(name);
88	}
89	void crashA (char *name)
90	{
91			crashB(name);
92	}
93	
94	void *ecrash_test_thread(void *vparams)
95	{
96		eCrashTestParams *params = (eCrashTestParams *)vparams;
(gdb) list *0x400fa0
0x400fa0 is in ecrash_test_thread (ecrash_test.c:111).
106		if (params->threadToCrash == params->threadNumber) {
107			printf("%s: Sleeping %d seconds before crash\n", 
108				   threadName, params->secondsBeforeCrash);
109			fflush(stdout);
110			sleep(params->secondsBeforeCrash);
111			crashA(threadName);
112		} else {
113			sleepFuncA(threadName);
114		}
115	
(gdb) list *0x2aaaaabc884f
No source file for address 0x2aaaaabc884f.
(gdb) list *0x2aaaaad90703
No source file for address 0x2aaaaad90703.
(gdb) quit