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- // Copyright 2009 The Go Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style
- // license that can be found in the LICENSE file.
- #include "textflag.h"
- // Called by C code generated by cmd/cgo.
- // func crosscall2(fn, a unsafe.Pointer, n int32, ctxt uintptr)
- // Saves C callee-saved registers and calls cgocallback with three arguments.
- // fn is the PC of a func(a unsafe.Pointer) function.
- TEXT crosscall2(SB), NOSPLIT, $28-16
- MOVL BP, 24(SP)
- MOVL BX, 20(SP)
- MOVL SI, 16(SP)
- MOVL DI, 12(SP)
- MOVL ctxt+12(FP), AX
- MOVL AX, 8(SP)
- MOVL a+4(FP), AX
- MOVL AX, 4(SP)
- MOVL fn+0(FP), AX
- MOVL AX, 0(SP)
- CALL runtime·cgocallback(SB)
- MOVL 12(SP), DI
- MOVL 16(SP), SI
- MOVL 20(SP), BX
- MOVL 24(SP), BP
- RET
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