1// Copyright 2011 The Go Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style
3// license that can be found in the LICENSE file.
4
5#include "go_asm.h"
6#include "go_tls.h"
7#include "textflag.h"
8
9TEXT _rt0_amd64_windows(SB),NOSPLIT,$-8
10	JMP	_rt0_amd64(SB)
11
12// When building with -buildmode=(c-shared or c-archive), this
13// symbol is called. For dynamic libraries it is called when the
14// library is loaded. For static libraries it is called when the
15// final executable starts, during the C runtime initialization
16// phase.
17// Leave space for four pointers on the stack as required
18// by the Windows amd64 calling convention.
19TEXT _rt0_amd64_windows_lib(SB),NOSPLIT,$0x48
20	MOVQ	BP, 0x20(SP)
21	MOVQ	BX, 0x28(SP)
22	MOVQ	AX, 0x30(SP)
23	MOVQ  CX, 0x38(SP)
24	MOVQ  DX, 0x40(SP)
25
26	// Create a new thread to do the runtime initialization and return.
27	MOVQ	_cgo_sys_thread_create(SB), AX
28	MOVQ	$_rt0_amd64_windows_lib_go(SB), CX
29	MOVQ	$0, DX
30	CALL	AX
31
32	MOVQ	0x20(SP), BP
33	MOVQ	0x28(SP), BX
34	MOVQ	0x30(SP), AX
35	MOVQ	0x38(SP), CX
36	MOVQ	0x40(SP), DX
37	RET
38
39TEXT _rt0_amd64_windows_lib_go(SB),NOSPLIT,$0
40	MOVQ  $0, DI
41	MOVQ	$0, SI
42	MOVQ	$runtime·rt0_go(SB), AX
43	JMP	AX
44