stack_protection

-fno-stack-protector.c

0x0000000100000eb0 <test_function+0>:     push   %rbp
0x0000000100000eb1 <test_function+1>:     mov    %rsp,%rbp
0x0000000100000eb4 <test_function+4>:     mov    %edi,-0x4(%rbp)
0x0000000100000eb7 <test_function+7>:     mov    %esi,-0x8(%rbp)
0x0000000100000eba <test_function+10>:    mov    %edx,-0xc(%rbp)
0x0000000100000ebd <test_function+13>:    mov    %ecx,-0x10(%rbp)
0x0000000100000ec0 <test_function+16>:    movl   $0xb,-0x20(%rbp)
0x0000000100000ec7 <test_function+23>:    movb   $0x41,-0x1a(%rbp)
0x0000000100000ecb <test_function+27>:    pop    %rbp
0x0000000100000ecc <test_function+28>:    retq   

with_stack_protector.c

Dump of assembler code for function test_function:
0x0000000100000e70 <test_function+0>:     push   %rbp
0x0000000100000e71 <test_function+1>:     mov    %rsp,%rbp
0x0000000100000e74 <test_function+4>:     sub    $0x30,%rsp
0x0000000100000e78 <test_function+8>:     mov    0x1b9(%rip),%rax        # 0x100001038

>>>> 0x7fff76556f60 <__stack_chk_guard>: 0x7c73fc21
x $rip + 0x1b9 = 0x100001038 address in memory
(gdb) x/2w 0x100001038
0x100001038:      0x76556f60  0x00007fff
(gdb) x 0x00007fff76556f60
0x7fff76556f60 <__stack_chk_guard>: 0x7c73fc21

0x0000000100000e7f <test_function+15>:    mov    (%rax),%rax
0x0000000100000e82 <test_function+18>:    mov    %rax,-0x8(%rbp)
0x0000000100000e86 <test_function+22>:    mov    %edi,-0xc(%rbp)
0x0000000100000e89 <test_function+25>:    mov    %esi,-0x10(%rbp)
0x0000000100000e8c <test_function+28>:    mov    %edx,-0x14(%rbp)
0x0000000100000e8f <test_function+31>:    mov    %ecx,-0x18(%rbp)
0x0000000100000e92 <test_function+34>:    movl   $0xb,-0x28(%rbp)
0x0000000100000e99 <test_function+41>:    movb   $0x41,-0x22(%rbp)
0x0000000100000e9d <test_function+45>:    mov    0x194(%rip),%rax        # 0x100001038
0x0000000100000ea4 <test_function+52>:    mov    (%rax),%rax
0x0000000100000ea7 <test_function+55>:    mov    -0x8(%rbp),%rcx
0x0000000100000eab <test_function+59>:    cmp    %rcx,%rax
0x0000000100000eae <test_function+62>:    jne    0x100000eb6 <test_function+70>
0x0000000100000eb0 <test_function+64>:    add    $0x30,%rsp
0x0000000100000eb4 <test_function+68>:    pop    %rbp
0x0000000100000eb5 <test_function+69>:    retq   
0x0000000100000eb6 <test_function+70>:    callq  0x100000efe <dyld_stub___stack_chk_fail>