disassemble game_

(gdb) disassemble game_
Dump of assembler code for function game_:
   0x0000000000404931 <+0>:	push   rbp
   0x0000000000404932 <+1>:	mov    rbp,rsp
   0x0000000000404935 <+4>:	sub    rsp,0x10
   0x0000000000404939 <+8>:	mov    edi,0x1
   0x000000000040493e <+13>:	call   0x408010 <rspeak_>
   0x0000000000404943 <+18>:	mov    edi,0x3
   0x0000000000404948 <+23>:	call   0x40865e <rmdesc_>
   0x000000000040494d <+28>:	mov    DWORD PTR [rbp-0x8],eax
   0x0000000000404950 <+31>:	mov    eax,DWORD PTR [rip+0x15a0e]        # 0x41a364 <aindex_>
   0x0000000000404956 <+37>:	mov    DWORD PTR [rip+0x21ede8],eax        # 0x623744 <play_>
   0x000000000040495c <+43>:	mov    DWORD PTR [rip+0x21ede6],0x0        # 0x62374c <play_+8>
   0x0000000000404966 <+53>:	mov    eax,DWORD PTR [rip+0x21fdd4]        # 0x624740 <prsvec_+16>
   0x000000000040496c <+59>:	cmp    eax,0x1
   0x000000000040496f <+62>:	jg     0x404980 <game_+79>
   0x0000000000404971 <+64>:	mov    esi,0x1
   0x0000000000404976 <+69>:	mov    edi,0x625a84
   0x000000000040497b <+74>:	call   0x40ddb0 <rdline_>
   0x0000000000404980 <+79>:	mov    eax,DWORD PTR [rip+0x21fdba]        # 0x624740 <prsvec_+16>
   0x0000000000404986 <+85>:	cdqe
   0x0000000000404988 <+87>:	sub    rax,0x1
   0x000000000040498c <+91>:	add    rax,0x625a80
   0x0000000000404992 <+97>:	add    rax,0x4
   0x0000000000404996 <+101>:	mov    esi,0x419a34
   0x000000000040499b <+106>:	mov    rdi,rax
   0x000000000040499e <+109>:	call   0x400d00 <strcmp@plt>
   0x00000000004049a3 <+114>:	test   eax,eax
   0x00000000004049a5 <+116>:	jne    0x4049ae <game_+125>
   0x00000000004049a7 <+118>:	call   0x40a1df <gdt_>
   0x00000000004049ac <+123>:	jmp    0x404950 <game_+31>
   0x00000000004049ae <+125>:	mov    eax,DWORD PTR [rip+0x21fd4c]        # 0x624700 <state_>
   0x00000000004049b4 <+131>:	add    eax,0x1
   0x00000000004049b7 <+134>:	mov    DWORD PTR [rip+0x21fd43],eax        # 0x624700 <state_>
   0x00000000004049bd <+140>:	mov    esi,0x1
   0x00000000004049c2 <+145>:	mov    edi,0x625a84
   0x00000000004049c7 <+150>:	call   0x40dee5 <parse_>
   0x00000000004049cc <+155>:	mov    DWORD PTR [rip+0x21fd6a],eax        # 0x62473c <prsvec_+12>
   0x00000000004049d2 <+161>:	mov    eax,DWORD PTR [rip+0x21fd64]        # 0x62473c <prsvec_+12>
   0x00000000004049d8 <+167>:	test   eax,eax
   0x00000000004049da <+169>:	jne    0x4049e1 <game_+176>
   0x00000000004049dc <+171>:	jmp    0x404aa4 <game_+371>
   0x00000000004049e1 <+176>:	mov    edi,0x1
   0x00000000004049e6 <+181>:	call   0x404dab <xvehic_>
   0x00000000004049eb <+186>:	test   eax,eax
   0x00000000004049ed <+188>:	je     0x4049f4 <game_+195>
   0x00000000004049ef <+190>:	jmp    0x404aa4 <game_+371>
   0x00000000004049f4 <+195>:	mov    edx,DWORD PTR [rip+0x21fd36]        # 0x624730 <prsvec_>
   0x00000000004049fa <+201>:	mov    eax,DWORD PTR [rip+0x15a4c]        # 0x41a44c <vindex_+204>
   0x0000000000404a00 <+207>:	cmp    edx,eax
   0x0000000000404a02 <+209>:	jne    0x404a2f <game_+254>
   0x0000000000404a04 <+211>:	nop
   <snip>

(gdb) break *0x000000000040499e
Breakpoint 2 at 0x40499e
(gdb) run
Starting program: ~/sans/dungeon/dungeon
Welcome to Dungeon.			This version created 11-MAR-78.
You are in an open field west of a big white house with a boarded
front door.
There is a small wrapped mailbox here.
>n

Breakpoint 2, 0x000000000040499e in game_ ()
(gdb) x/s 0x419a34
0x419a34:	"GDT"

disassemble main

(gdb) disassemble main
Dump of assembler code for function main:
   0x00000000004060a3 <+0>:	push   %rbp
   0x00000000004060a4 <+1>:	mov    %rsp,%rbp
   0x00000000004060a7 <+4>:	sub    $0x10,%rsp
   0x00000000004060ab <+8>:	mov    %edi,-0x4(%rbp)
   0x00000000004060ae <+11>:	mov    %rsi,-0x10(%rbp)
   0x00000000004060b2 <+15>:	callq  0x404fa4 <init_>
   0x00000000004060b7 <+20>:	test   %eax,%eax
   0x00000000004060b9 <+22>:	je     0x406100 <main+93>
   0x00000000004060bb <+24>:	mov    $0x41a524,%edi
   0x00000000004060c0 <+29>:	mov    $0x0,%eax
   0x00000000004060c5 <+34>:	callq  0x400c60 <chroot@plt>
   0x00000000004060ca <+39>:	test   %eax,%eax
   0x00000000004060cc <+41>:	je     0x4060dd <main+58>
   0x00000000004060ce <+43>:	mov    $0x41a531,%edi
   0x00000000004060d3 <+48>:	mov    $0x0,%eax
   0x00000000004060d8 <+53>:	callq  0x400db0 <perror@plt>
   0x00000000004060dd <+58>:	mov    $0x3e8,%edi
   0x00000000004060e2 <+63>:	mov    $0x0,%eax
   0x00000000004060e7 <+68>:	callq  0x400de0 <setuid@plt>
   0x00000000004060ec <+73>:	mov    $0x3e8,%edi
   0x00000000004060f1 <+78>:	mov    $0x0,%eax
   0x00000000004060f6 <+83>:	callq  0x400d90 <setgid@plt>
   0x00000000004060fb <+88>:	callq  0x404931 <game_>
   0x0000000000406100 <+93>:	callq  0x41544f <exit_>
   0x0000000000406105 <+98>:	leaveq
   0x0000000000406106 <+99>:	retq
End of assembler dump.