➜  wbench  gcc func.c -o func -g -mpreferred-stack-boundary=12
➜  wbench  gdb -q func
Reading symbols from func...done.
(gdb) set disassembly-flavor intel
(gdb) disas main
Dump of assembler code for function main:
   0x0000000000400514 <+0>: push   rbp
   0x0000000000400515 <+1>: mov    rbp,rsp
   0x0000000000400518 <+4>: sub    rsp,0x1000
   0x000000000040051f <+11>:    mov    DWORD PTR [rbp-0x8],0x41
   0x0000000000400526 <+18>:    mov    DWORD PTR [rbp-0x4],0x2
   0x000000000040052d <+25>:    mov    eax,DWORD PTR [rbp-0x4]
   0x0000000000400530 <+28>:    mov    edi,eax
   0x0000000000400532 <+30>:    call   0x4004ed <function>
   0x0000000000400537 <+35>:    mov    DWORD PTR [rbp-0x4],eax
   0x000000000040053a <+38>:    mov    eax,DWORD PTR [rbp-0x4]
   0x000000000040053d <+41>:    leave
   0x000000000040053e <+42>:    ret
End of assembler dump.
(gdb) disas function
Dump of assembler code for function function:
   0x00000000004004ed <+0>: push   rbp
   0x00000000004004ee <+1>: mov    rbp,rsp
   0x00000000004004f1 <+4>: sub    rsp,0xf8c
   0x00000000004004f8 <+11>:    mov    DWORD PTR [rbp-0x1004],edi
   0x00000000004004fe <+17>:    mov    DWORD PTR [rbp-0x4],0x42
   0x0000000000400505 <+24>:    add    DWORD PTR [rbp-0x1004],0x1
   0x000000000040050c <+31>:    mov    eax,DWORD PTR [rbp-0x1004]
   0x0000000000400512 <+37>:    leave
   0x0000000000400513 <+38>:    ret
End of assembler dump.
(gdb)