asm_386.s RawHistoryFolder

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
7// Called by C code generated by cmd/cgo.
8// func crosscall2(fn, a unsafe.Pointer, n int32, ctxt uintptr)
9// Saves C callee-saved registers and calls cgocallback with three arguments.
10// fn is the PC of a func(a unsafe.Pointer) function.
11TEXT crosscall2(SB), NOSPLIT, $28-16
12	MOVL BP, 24(SP)
13	MOVL BX, 20(SP)
14	MOVL SI, 16(SP)
15	MOVL DI, 12(SP)
16
17	MOVL ctxt+12(FP), AX
18	MOVL AX, 8(SP)
19	MOVL a+4(FP), AX
20	MOVL AX, 4(SP)
21	MOVL fn+0(FP), AX
22	MOVL AX, 0(SP)
23	CALL runtime·cgocallback(SB)
24
25	MOVL 12(SP), DI
26	MOVL 16(SP), SI
27	MOVL 20(SP), BX
28	MOVL 24(SP), BP
29	RET