diff options
Diffstat (limited to 'lib/crt/x86_64/crt0.s')
-rw-r--r-- | lib/crt/x86_64/crt0.s | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/lib/crt/x86_64/crt0.s b/lib/crt/x86_64/crt0.s new file mode 100644 index 0000000..c5a0ba9 --- /dev/null +++ b/lib/crt/x86_64/crt0.s @@ -0,0 +1,22 @@ +.section .text +.global _start +_start: + #Setup start of stack frame + xorq %rbp, %rbp + pushq %rbp + pushq %rbp + movq %rsp, %rbp + + #Save arguments passed to main + pushq %rdi + pushq %rsi + + #Setup libc and call global constructors + + #Call main + call main + + #Exit + movq %rax, %rdi + call exit +.size _start, . - _start |