diff options
Diffstat (limited to 'src/start.s')
| -rw-r--r-- | src/start.s | 17 |
1 files changed, 0 insertions, 17 deletions
| diff --git a/src/start.s b/src/start.s deleted file mode 100644 index 683bfe7..0000000 --- a/src/start.s +++ /dev/null | |||
| @@ -1,17 +0,0 @@ | |||
| 1 | .section .text | ||
| 2 | .globl _start | ||
| 3 | .type _start, @function | ||
| 4 | _start: | ||
| 5 | xorq %rbp, %rbp # frame ptr (%rbp) = null. marks stack bottom. | ||
| 6 | |||
| 7 | movl (%rsp), %edi # argc = first 4 bytes of stack. | ||
| 8 | leaq 8(%rsp), %rsi # argv = address of first arg ptr. | ||
| 9 | |||
| 10 | call main | ||
| 11 | |||
| 12 | movl %eax, %edi # status = ret val. | ||
| 13 | movl $1, %eax # SYS_exit = 1. | ||
| 14 | syscall | ||
| 15 | |||
| 16 | .size _start, .-_start | ||
| 17 | hlt # if syscall fails hang. | ||
