projects / apple / libc.git / blame
| Commit | Line | Data |
|---|---|---|
| 9385eb3d A |
1 | /* |
| 2 | * Copyright (c) 2003 Apple Computer, Inc. All rights reserved. | |
| 3 | * | |
| 4 | * @APPLE_LICENSE_HEADER_START@ | |
| 5 | * | |
| 9385eb3d A |
6 | * This file contains Original Code and/or Modifications of Original Code |
| 7 | * as defined in and that are subject to the Apple Public Source License | |
| 8 | * Version 2.0 (the 'License'). You may not use this file except in | |
| 9 | * compliance with the License. Please obtain a copy of the License at | |
| 10 | * http://www.opensource.apple.com/apsl/ and read it before using this | |
| 11 | * file. | |
| 12 | * | |
| 13 | * The Original Code and all software distributed under the License are | |
| 14 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
| 15 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, | |
| 16 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 17 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. | |
| 18 | * Please see the License for the specific language governing rights and | |
| 19 | * limitations under the License. | |
| 20 | * | |
| 21 | * @APPLE_LICENSE_HEADER_END@ | |
| 22 | */ | |
| e9ce8d39 A |
23 | /* |
| 24 | * Copyright 1996 1995 by Open Software Foundation, Inc. 1997 1996 1995 1994 1993 1992 1991 | |
| 25 | * All Rights Reserved | |
| 26 | * | |
| 27 | * Permission to use, copy, modify, and distribute this software and | |
| 28 | * its documentation for any purpose and without fee is hereby granted, | |
| 29 | * provided that the above copyright notice appears in all copies and | |
| 30 | * that both the copyright notice and this permission notice appear in | |
| 31 | * supporting documentation. | |
| 32 | * | |
| 33 | * OSF DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE | |
| 34 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | |
| 35 | * FOR A PARTICULAR PURPOSE. | |
| 36 | * | |
| 37 | * IN NO EVENT SHALL OSF BE LIABLE FOR ANY SPECIAL, INDIRECT, OR | |
| 38 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM | |
| 39 | * LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT, | |
| 40 | * NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION | |
| 41 | * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
| 42 | * | |
| 43 | */ | |
| 44 | /* | |
| 45 | * MkLinux | |
| 46 | */ | |
| 47 | ||
| 48 | .text | |
| 49 | ||
| 59e0d9fe | 50 | #if defined(__ppc__) || defined(__ppc64__) |
| e9ce8d39 A |
51 | #import <architecture/ppc/asm_help.h> |
| 52 | #import <architecture/ppc/pseudo_inst.h> | |
| 53 | ||
| 54 | /* | |
| 55 | * void *_sp(void) | |
| 56 | */ | |
| 57 | ||
| 58 | LEAF(__sp) | |
| 59 | mr r3,r1 | |
| 60 | blr | |
| 61 | ||
| 62 | /* | |
| 63 | * void *_adjust_sp(void *sp) | |
| 64 | */ | |
| 65 | LEAF(__adjust_sp) | |
| 66 | subi r3,r3,0x100 /* Stack frame padding */ | |
| 67 | blr | |
| 68 | ||
| 69 | #elif defined(__i386__) | |
| 70 | ||
| 71 | #import <architecture/i386/asm_help.h> | |
| 72 | /* | |
| 73 | * void *_sp(void) | |
| 74 | */ | |
| 75 | ||
| 76 | LEAF(__sp,0) | |
| 77 | movl %esp,%eax | |
| 78 | ret | |
| 79 | ||
| 80 | /* | |
| 81 | * void *_adjust_sp(void *sp) | |
| 82 | */ | |
| 83 | LEAF(__adjust_sp,0) | |
| 84 | movl 4(%esp),%eax | |
| 85 | subl $0x100,%eax | |
| 86 | ret | |
| 87 | ||
| 8e029c65 A |
88 | #elif defined(__x86_64__) |
| 89 | ||
| 90 | #import <architecture/i386/asm_help.h> | |
| 91 | /* | |
| 92 | * void *_sp(void) | |
| 93 | */ | |
| 94 | ||
| 95 | LEAF(__sp,0) | |
| 96 | movq %rsp,%rax | |
| 97 | ret | |
| 98 | ||
| 99 | /* | |
| 100 | * void *_adjust_sp(void *sp) | |
| 101 | */ | |
| 102 | LEAF(__adjust_sp,0) | |
| 103 | movq %rdi,%rax | |
| 104 | subq $0x100,%rax | |
| 105 | ret | |
| 106 | ||
| e9ce8d39 A |
107 | #else |
| 108 | #error sp functions not defined for this architecture | |
| 109 | #endif | |
| 110 |