blob: 9abab7ebd2ddcd48fd05521e2f4f715f7c74161f [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
#else
#define EXT(s) s
#endif
/*
* 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)
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
ret
/*
* void crosscall2(void (*fn)(void*, int32), void*, int32)
*
* Save registers and call fn with two arguments.
*/
.globl EXT(crosscall2)
EXT(crosscall2):
pushl %ebp
movl %esp, %ebp
pushl %ebx
pushl %esi
pushl %edi
pushl 16(%ebp)
pushl 12(%ebp)
mov 8(%ebp), %eax
call *%eax
addl $8,%esp
popl %edi
popl %esi
popl %ebx
popl %ebp
ret
.globl EXT(__stack_chk_fail_local)
EXT(__stack_chk_fail_local):
1:
jmp 1b