lambda$ uname -a
Darwin lambda.local 10.2.0 Darwin Kernel Version 10.2.0: Tue Nov  3 10:37:10 PST 2009; root:xnu-1486.2.11~1/RELEASE_I386 i386
lambda$ msp430-gdb stack_bt.elf 
GNU gdb (GDB) 7.0
Copyright (C) 2009 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "--host=i386-apple-darwin10.2.0 --target=msp430".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /Volumes/data/skimu/proj/dfw/examples/f2274sbw/stack_bt.elf...done.
0x00008000 in _reset_vector__ ()
(gdb) reload
Erasing target flash -  Erased OK
 flash write enabled
Loading section .text, size 0xe6 lma 0x8000
Loading section .vectors, size 0x20 lma 0xffe0
Start address 0x8000, load size 262
Transfer rate: 462 bytes/sec, 37 bytes/write.
 flash write disabled
(gdb) list 1,100
1	/* 
2	   have fun with GDB's stack trace 
3	*/
4	#include <io.h>
5	
6	#define toggle_led()  {P1OUT ^=  BIT0;}
7	
8	tak(x, y, z)
9	{
10	  if (x <= y) 
11	    return z;
12	  else 
13	    return tak(tak(x-1, y, z),
14	               tak(y-1, z, x),
15	               tak(z-1, x, y));
16	}
17	
18	factorial(n)
19	{
20	  if (n == 1) 
21	    return 1;
22	  else
23	    return n * factorial(n-1);
24	}
25	
26	main()
27	{ 
28	  WDTCTL = (WDTPW|WDTHOLD);
29	  P1DIR |= 0x01;
30	
31	  while (1) {                          
32	    toggle_led();
33	    tak(10, 5, 1);
34	  }
35	}
36	
37	/* EOF */
(gdb) c
Continuing.
^C
Program received signal SIGINT, Interrupt.
0x00008048 in tak (x=6, y=2, z=1) at ../stack_bt.c:10
10	  if (x <= y) 
(gdb) bt
#0  0x00008048 in tak (x=6, y=2, z=1) at ../stack_bt.c:10
#1  0x00008056 in tak (x=2, y=1, z=7) at ../stack_bt.c:13
#2  0x00008064 in tak (x=7, y=3, z=1) at ../stack_bt.c:13
#3  0x00008056 in tak (x=3, y=1, z=8) at ../stack_bt.c:13
#4  0x00008064 in tak (x=8, y=4, z=1) at ../stack_bt.c:13
#5  0x00008056 in tak (x=4, y=1, z=9) at ../stack_bt.c:13
#6  0x00008064 in tak (x=9, y=5, z=1) at ../stack_bt.c:13
#7  0x00008072 in tak (x=10, y=5, z=1) at ../stack_bt.c:13
#8  0x000080c8 in main () at ../stack_bt.c:33
(gdb) list
5	
6	#define toggle_led()  {P1OUT ^=  BIT0;}
7	
8	tak(x, y, z)
9	{
10	  if (x <= y) 
11	    return z;
12	  else 
13	    return tak(tak(x-1, y, z),
14	               tak(y-1, z, x),
(gdb) info r
pc/r0: 8048  sp/r1: 05a0  sr/r2: 0004     r3: 0000  
fp/r4: ffff     r5: ffbf     r6: ffef     r7: 0001  
   r8: 0002     r9: 0006    r10: 0003    r11: 0004  
  r12: efff    r13: 0001    r14: 0002    r15: 0006  
(gdb) quit
A debugging session is active.

	Inferior 1 [Remote target] will be killed.

Quit anyway? (y or n) y
lambda$