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