$ gdb ecrash_test.debug 
GNU gdb 6.3
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
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 *0x401de1
0x401de1 is in bt_handler (eCrash.c:446).
441	 * @param signum Signal received.
442	 */
443	static void bt_handler(int signo)
444	{
445		createGlobalBacktrace();
446		gbl_backtraceDoneFlag=1;
447	} // bt_handler
448	
449	/*********************************************************************
450	 *********************************************************************
(gdb) list *0x2aaaaad04f00
No source file for address 0x2aaaaad04f00.
(gdb) list *0x2aaaaad64d95
No source file for address 0x2aaaaad64d95.
(gdb) list *0x2aaaaad64bcc
No source file for address 0x2aaaaad64bcc.
(gdb) list *0x400e6d
0x400e6d is in sleepFuncC (ecrash_test.c:64).
59	/* some nested functions to make things prettier */
60	void sleepFuncC( char *name)
61	{
62			printf("%s: Sleeping forever. . .\n", name);
63			fflush(stdout);
64			for(;;) {
65				sleep(1);
66			}
67	}
68	
(gdb) list *0x400e84
0x400e84 is in sleepFuncB (ecrash_test.c:72).
67	}
68	
69	void sleepFuncB(char *name)
70	{
71			sleepFuncC(name);
72	}
73	void sleepFuncA(char *name)
74	{
75			sleepFuncB(name);
76	}
(gdb) list *0x400e9b
0x400e9b is in sleepFuncA (ecrash_test.c:76).
71			sleepFuncC(name);
72	}
73	void sleepFuncA(char *name)
74	{
75			sleepFuncB(name);
76	}
77	
78	
79	void crashC(char *name)
80	{
(gdb) list *0x400fae
0x400fae is in ecrash_test_thread (ecrash_test.c:116).
111			crashA(threadName);
112		} else {
113			sleepFuncA(threadName);
114		}
115	
116		return NULL;
117	} // ecrash_test_thread
118	
119	int CreateAThread(int i) {
120		eCrashTestParams *parms;
(gdb) list *0x2aaaaabc884f
No source file for address 0x2aaaaabc884f.
(gdb) quit