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 func(a unsafe.Pointer, n int32, ctxt uintptr), a unsafe.Pointer, n int32, ctxt uintptr) 9 // Saves C callee-saved registers and calls fn with three arguments. 10 TEXT crosscall2(SB),NOSPLIT,$28-16 11 MOVL BP, 24(SP) 12 MOVL BX, 20(SP) 13 MOVL SI, 16(SP) 14 MOVL DI, 12(SP) 15 16 MOVL ctxt+12(FP), AX 17 MOVL AX, 8(SP) 18 MOVL n+8(FP), AX 19 MOVL AX, 4(SP) 20 MOVL a+4(FP), AX 21 MOVL AX, 0(SP) 22 MOVL fn+0(FP), AX 23 CALL AX 24 25 MOVL 12(SP), DI 26 MOVL 16(SP), SI 27 MOVL 20(SP), BX 28 MOVL 24(SP), BP 29 RET 30
