GNU gdb (GDB) Red Hat Enterprise Linux (7.2-83.el6)
Copyright (C) 2010 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 "x86_64-redhat-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /afs/umbc.edu/users/s/q/squire/home/cs313/where_64...done.
(gdb) break main
Breakpoint 1 at 0x4004d4: file where_64.asm, line 37.
(gdb) run
Starting program: /afs/umbc.edu/users/s/q/squire/home/cs313/where_64 

Breakpoint 1, main () at where_64.asm:37
37		push	rbx		; save callers registers
Missing separate debuginfos, use: debuginfo-install glibc-2.12-1.166.el6_7.3.x86_64
(gdb) disassemble
Dump of assembler code for function main:
   0x00000000004004d0 <+0>:	push   %rbp
   0x00000000004004d1 <+1>:	mov    %rsp,%rbp
=> 0x00000000004004d4 <+4>:	push   %rbx
   0x00000000004004d5 <+5>:	movabs $0x6008d4,%rdi
   0x00000000004004df <+15>:	lea    0x6008cc,%rsi
   0x00000000004004e7 <+23>:	lea    0x600930,%rdx
   0x00000000004004ef <+31>:	lea    0x400658,%rcx
   0x00000000004004f7 <+39>:	lea    0x4004d0,%r8
   0x00000000004004ff <+47>:	movabs $0x0,%rax
   0x0000000000400509 <+57>:	callq  0x4003b8 <printf@plt>
   0x000000000040050e <+62>:	movabs $0x6008d4,%rdi
   0x0000000000400518 <+72>:	movabs $0x6008cc,%rsi
   0x0000000000400522 <+82>:	movabs $0x600930,%rdx
   0x000000000040052c <+92>:	movabs $0x400658,%rcx
   0x0000000000400536 <+102>:	movabs $0x4004d0,%r8
   0x0000000000400540 <+112>:	movabs $0x0,%rax
   0x000000000040054a <+122>:	callq  0x4003b8 <printf@plt>
   0x000000000040054f <+127>:	pop    %rbx
   0x0000000000400550 <+128>:	mov    %rbp,%rsp
   0x0000000000400553 <+131>:	pop    %rbp
   0x0000000000400554 <+132>:	movabs $0x0,%rax
   0x000000000040055e <+142>:	retq   
   0x000000000040055f <+143>:	nop
End of assembler dump.
(gdb) x/60x main
0x4004d0 <main>:	0xe5894855	0xd4bf4853	0x00006008	0x48000000
0x4004e0 <main+16>:	0xcc25348d	0x48006008	0x3025148d	0x48006009
0x4004f0 <main+32>:	0x58250c8d	0x4c004006	0xd025048d	0x48004004
0x400500 <main+48>:	0x000000b8	0x00000000	0xfeaae800	0xbf48ffff
0x400510 <main+64>:	0x006008d4	0x00000000	0x08ccbe48	0x00000060
0x400520 <main+80>:	0xba480000	0x00600930	0x00000000	0x0658b948
0x400530 <main+96>:	0x00000040	0xb8490000	0x004004d0	0x00000000
0x400540 <main+112>:	0x0000b848	0x00000000	0x69e80000	0x5bfffffe
0x400550 <main+128>:	0x5dec8948	0x0000b848	0x00000000	0x90c30000
0x400560 <__libc_csu_fini>:	0x6666c3f3	0x2e666666	0x00841f0f	0x00000000
0x400570 <__libc_csu_init>:	0x246c8948	0x64894cd8	0x8d48e024	0x20015b2d
0x400580 <__libc_csu_init+16>:	0x258d4c00	0x00200154	0x246c894c	0x74894ce8
0x400590 <__libc_csu_init+32>:	0x894cf024	0x48f8247c	0xd0245c89	0x38ec8348
0x4005a0 <__libc_csu_init+48>:	0x41e5294c	0x8949fd89	0xfdc148f6	0xd7894903
0x4005b0 <__libc_csu_init+64>:	0xfffddbe8	0xed8548ff	0xdb311c74	0x00401f0f
(gdb) q
A debugging session is active.

	Inferior 1 [process 23721] will be killed.

Quit anyway? (y or n)