projects / apple / libc.git / blame
| Commit | Line | Data |
|---|---|---|
| e9ce8d39 A |
1 | /* |
| 2 | * Copyright 1996 1995 by Open Software Foundation, Inc. 1997 1996 1995 1994 1993 1992 1991 | |
| 3 | * All Rights Reserved | |
| 4 | * | |
| 5 | * Permission to use, copy, modify, and distribute this software and | |
| 6 | * its documentation for any purpose and without fee is hereby granted, | |
| 7 | * provided that the above copyright notice appears in all copies and | |
| 8 | * that both the copyright notice and this permission notice appear in | |
| 9 | * supporting documentation. | |
| 10 | * | |
| 11 | * OSF DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE | |
| 12 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | |
| 13 | * FOR A PARTICULAR PURPOSE. | |
| 14 | * | |
| 15 | * IN NO EVENT SHALL OSF BE LIABLE FOR ANY SPECIAL, INDIRECT, OR | |
| 16 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM | |
| 17 | * LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT, | |
| 18 | * NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION | |
| 19 | * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
| 20 | * | |
| 21 | */ | |
| 22 | /* | |
| 23 | * MkLinux | |
| 24 | */ | |
| 25 | ||
| 26 | .text | |
| 27 | ||
| 28 | #if defined(__ppc__) | |
| 29 | #import <architecture/ppc/asm_help.h> | |
| 30 | #import <architecture/ppc/pseudo_inst.h> | |
| 31 | ||
| 32 | /* | |
| 33 | * void *_sp(void) | |
| 34 | */ | |
| 35 | ||
| 36 | LEAF(__sp) | |
| 37 | mr r3,r1 | |
| 38 | blr | |
| 39 | ||
| 40 | /* | |
| 41 | * void *_adjust_sp(void *sp) | |
| 42 | */ | |
| 43 | LEAF(__adjust_sp) | |
| 44 | subi r3,r3,0x100 /* Stack frame padding */ | |
| 45 | blr | |
| 46 | ||
| 47 | #elif defined(__i386__) | |
| 48 | ||
| 49 | #import <architecture/i386/asm_help.h> | |
| 50 | /* | |
| 51 | * void *_sp(void) | |
| 52 | */ | |
| 53 | ||
| 54 | LEAF(__sp,0) | |
| 55 | movl %esp,%eax | |
| 56 | ret | |
| 57 | ||
| 58 | /* | |
| 59 | * void *_adjust_sp(void *sp) | |
| 60 | */ | |
| 61 | LEAF(__adjust_sp,0) | |
| 62 | movl 4(%esp),%eax | |
| 63 | subl $0x100,%eax | |
| 64 | ret | |
| 65 | ||
| 66 | #else | |
| 67 | #error sp functions not defined for this architecture | |
| 68 | #endif | |
| 69 |