From 1e12632591ab98a6ea3af8680716c28282552981 Mon Sep 17 00:00:00 2001
From: "Nicholas J. Kain" <njkain@gmail.com>
Date: Tue, 15 Feb 2011 07:32:09 -0500
Subject: Port musl to x86-64.  One giant commit!

---
 crt/x86_64/crt1.s | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 crt/x86_64/crt1.s

(limited to 'crt')

diff --git a/crt/x86_64/crt1.s b/crt/x86_64/crt1.s
new file mode 100644
index 00000000..45cbb9db
--- /dev/null
+++ b/crt/x86_64/crt1.s
@@ -0,0 +1,16 @@
+/* Written 2011 Nicholas J. Kain, released as Public Domain */
+.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 */
+	xor %r8,%r8     /* 5th arg: always 0 */
+	xor %rcx,%rcx   /* 4th arg: always 0 */
+	mov $main,%rdi  /* 1st arg: application entry ip */
+	call __libc_start_main /* musl init will run the program */
+.L0:	jmp .L0
-- 
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