blob: d8b71617516e8cacc9e7f06e763bb72dafaa7975 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
|
/* Written 2011 Nicholas J. Kain, released as Public Domain */
.weak _init
.weak _fini
.text
.global _start
_start:
xor %rbp,%rbp /* rbp:undefined -> mark as zero 0 (ABI) */
mov %rdx,%r9 /* 6th arg: ptr to register with atexit() */
pop %rsi /* 2nd arg: argc */
mov %rsp,%rdx /* 3rd arg: argv */
andq $-16,%rsp /* align stack pointer */
push %rax /* 8th arg: glibc ABI compatible */
push %rsp /* 7th arg: glibc ABI compatible */
lea _fini(%rip),%r8 /* 5th arg: fini/dtors function */
lea _init(%rip),%rcx /* 4th arg: init/ctors function */
mov main@GOTPCREL(%rip),%rdi /* 1st arg: application entry ip */
call __libc_start_main@PLT /* musl init will run the program */
1: jmp 1b
|