mirror of
https://github.com/golang/go
synced 2024-10-04 09:21:21 -06:00
133a158bd8
better mach binaries. cgo working on darwin+linux amd64+386. eliminated context switches - pi is 30x faster. add libcgo to build. on snow leopard: - non-cgo binaries work; all tests pass. - cgo binaries work on amd64 but not 386. R=r DELTA=2031 (1316 added, 626 deleted, 89 changed) OCL=35264 CL=35304
38 lines
750 B
ArmAsm
38 lines
750 B
ArmAsm
// 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.
|
|
*/
|
|
#ifdef __APPLE__
|
|
#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
|
|
|