From: Ken Thompson <ken@golang.org>
Date: Thu, 5 Jun 2008 23:55:06 +0000 (-0700)
Subject: goos and goarch
X-Git-Tag: weekly.2009-11-06~3763
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=28429aaaa6f0177a49e8d8c149be5dc36ae226fa;p=gostls13.git

goos and goarch

SVN=121346
---

diff --git a/src/runtime/rt0_amd64_darwin.s b/src/runtime/rt0_amd64_darwin.s
new file mode 100644
index 0000000000..0d037fad29
--- /dev/null
+++ b/src/runtime/rt0_amd64_darwin.s
@@ -0,0 +1,86 @@
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+
+TEXT	rt0_amd64_darwin(SB),1,$-8
+	PUSHQ	$0
+	MOVQ	SP, BP
+	ANDQ	$~15, SP
+	MOVQ	8(BP), DI
+	LEAQ	16(BP), SI
+	MOVL	DI, DX
+	ADDL	$1, DX
+	SHLL	$3, DX
+	ADDQ	SI, DX
+	MOVQ	DX, CX
+	CMPQ	(CX), $0
+	JEQ	done
+
+loop:
+	ADDQ	$8, CX
+	CMPQ	(CX), $0
+	JNE	loop
+
+done:
+	ADDQ	$8, CX
+	CALL	check(SB)
+	CALL	main_main(SB)
+	CALL	sys_exit(SB)
+	CALL	notok(SB)
+	POPQ	AX
+	RET
+
+TEXT	FLUSH(SB),1,$-8
+	RET
+
+TEXT	sys_exit(SB),1,$-8
+	MOVL	8(SP), DI		// arg 1 exit status
+	MOVL	$(0x2000000+1), AX
+	SYSCALL
+	JCC	2(PC)
+	CALL	notok(SB)
+	RET
+
+TEXT	sys_write(SB),1,$-8
+	MOVL	8(SP), DI		// arg 1 fid
+	MOVQ	16(SP), SI		// arg 2 buf
+	MOVL	24(SP), DX		// arg 3 count
+	MOVL	$(0x2000000+4), AX	// syscall entry
+	SYSCALL
+	JCC	2(PC)
+	CALL	notok(SB)
+	RET
+
+TEXT	sys_breakpoint(SB),1,$-8
+	BYTE	$0xcc
+	RET
+
+TEXT	sys_mmap(SB),1,$-8
+	MOVQ	8(SP), DI		// arg 1 addr
+	MOVL	16(SP), SI		// arg 2 len
+	MOVL	20(SP), DX		// arg 3 prot
+	MOVL	24(SP), R10		// arg 4 flags
+	MOVL	28(SP), R8		// arg 5 fid
+	MOVL	32(SP), R9		// arg 6 offset
+	MOVL	$(0x2000000+197), AX	// syscall entry
+	SYSCALL
+	JCC	2(PC)
+	CALL	notok(SB)
+	RET
+
+TEXT	notok(SB),1,$-8
+	MOVL	$0xf1, BP
+	MOVQ	BP, (BP)
+	RET
+
+TEXT	sys_memclr(SB),1,$-8
+	MOVQ	8(SP), DI		// arg 1 addr
+	MOVL	16(SP), CX		// arg 2 count
+	ADDL	$7, CX
+	SHRL	$3, CX
+	MOVQ	$0, AX
+	CLD
+	REP
+	STOSQ
+	RET