rt0_windows_386.s

Documentation: runtime

     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)
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