1// Copyright 2009 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 "textflag.h" 6 7TEXT _rt0_386_windows(SB),NOSPLIT,$0 8 JMP _rt0_386(SB) 9 10// When building with -buildmode=(c-shared or c-archive), this 11// symbol is called. For dynamic libraries it is called when the 12// library is loaded. For static libraries it is called when the 13// final executable starts, during the C runtime initialization 14// phase. 15TEXT _rt0_386_windows_lib(SB),NOSPLIT,$0x1C 16 MOVL BP, 0x08(SP) 17 MOVL BX, 0x0C(SP) 18 MOVL AX, 0x10(SP) 19 MOVL CX, 0x14(SP) 20 MOVL DX, 0x18(SP) 21 22 // Create a new thread to do the runtime initialization and return. 23 MOVL _cgo_sys_thread_create(SB), AX 24 MOVL $_rt0_386_windows_lib_go(SB), 0x00(SP) 25 MOVL $0, 0x04(SP) 26 27 // Top two items on the stack are passed to _cgo_sys_thread_create 28 // as parameters. This is the calling convention on 32-bit Windows. 29 CALL AX 30 31 MOVL 0x08(SP), BP 32 MOVL 0x0C(SP), BX 33 MOVL 0x10(SP), AX 34 MOVL 0x14(SP), CX 35 MOVL 0x18(SP), DX 36 RET 37 38TEXT _rt0_386_windows_lib_go(SB),NOSPLIT,$0 39 PUSHL $0 40 PUSHL $0 41 JMP runtime·rt0_go(SB) 42 43TEXT _main(SB),NOSPLIT,$0 44 // Remove the return address from the stack. 45 // rt0_go doesn't expect it to be there. 46 ADDL $4, SP 47 JMP runtime·rt0_go(SB) 48