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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 13:16:40 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 13:16:40 +0000 |
| commit | 47ab3d4a42e9ab51c465c4322d2ec233f6324e6b (patch) | |
| tree | a61a0ffd83f4a3def4b36e5c8e99630c559aa723 /src/runtime/cgo/asm_386.s | |
| parent | Initial commit. (diff) | |
| download | golang-1.18-upstream.tar.xz golang-1.18-upstream.zip | |
Adding upstream version 1.18.10.upstream/1.18.10upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/runtime/cgo/asm_386.s')
| -rw-r--r-- | src/runtime/cgo/asm_386.s | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/runtime/cgo/asm_386.s b/src/runtime/cgo/asm_386.s new file mode 100644 index 0000000..2e7e951 --- /dev/null +++ b/src/runtime/cgo/asm_386.s @@ -0,0 +1,29 @@ +// 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 |