blob: ff55b2cc6313255997d044222c20aedac56a1384 [file] [log] [blame]
// 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.
* Apple still insists on underscore prefixes for C function names.
#if defined(__APPLE__) || defined(_WIN32)
#define EXT(s) _##s
#define EXT(s) s
* void crosscall_386(void (*fn)(void))
* Calling into the 8c tool chain, where all registers are caller save.
* Called from standard x86 ABI, where %ebp, %ebx, %esi,
* and %edi are callee-save, so they must be saved explicitly.
.globl EXT(crosscall_386)
pushl %ebp
movl %esp, %ebp
pushl %ebx
pushl %esi
pushl %edi
movl 8(%ebp), %eax /* fn */
call *%eax
popl %edi
popl %esi
popl %ebx
popl %ebp
#ifdef __ELF__
.section .note.GNU-stack,"",@progbits