projects / apple / libc.git / blame
| Commit | Line | Data |
|---|---|---|
| e9ce8d39 A |
1 | /* |
| 2 | * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. | |
| 3 | * | |
| 4 | * @APPLE_LICENSE_HEADER_START@ | |
| 5 | * | |
| 734aad71 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 | |
| e9ce8d39 A |
15 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| 16 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 734aad71 A |
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. | |
| e9ce8d39 A |
20 | * |
| 21 | * @APPLE_LICENSE_HEADER_END@ | |
| 22 | */ | |
| 23 | /* Copyright (c) 1992 NeXT Computer, Inc. All rights reserved. | |
| 24 | */ | |
| 25 | ||
| 59e0d9fe A |
26 | /* We use mode-independent "g" opcodes such as "srgi", and/or |
| 27 | * mode-independent macros such as MI_GET_ADDRESS. These expand | |
| 28 | * into word operations when targeting __ppc__, and into doubleword | |
| 29 | * operations when targeting __ppc64__. | |
| 30 | */ | |
| 31 | #include <architecture/ppc/mode_independent_asm.h> | |
| e9ce8d39 | 32 | |
| 59e0d9fe | 33 | .globl _errno |
| e9ce8d39 | 34 | |
| 3d9156a7 A |
35 | #if 0 |
| 36 | MI_ENTRY_POINT(cerror_cvt) | |
| 37 | MI_PUSH_STACK_FRAME | |
| 38 | MI_GET_ADDRESS(r12,_errno) | |
| 39 | cmplwi r3,102 /* EOPNOTSUPP? */ | |
| 40 | bne 1f | |
| 41 | li r3,45 /* Yes; make ENOTSUP for compatibility */ | |
| 42 | 1: | |
| 43 | stw r3,0(r12) /* save syscall return code in global */ | |
| 44 | MI_CALL_EXTERNAL(_cthread_set_errno_self) | |
| 45 | li r3,-1 /* then bug return value */ | |
| 46 | li r4,-1 /* in case we're returning a long-long in 32-bit mode, etc */ | |
| 47 | MI_POP_STACK_FRAME_AND_RETURN | |
| 48 | #endif | |
| 49 | ||
| 50 | MI_ENTRY_POINT(cerror_cvt) | |
| 51 | cmplwi r3,102 /* EOPNOTSUPP? */ | |
| 52 | bne 1f | |
| 53 | li r3,45 /* Yes; make ENOTSUP for compatibility */ | |
| 54 | 1: | |
| 59e0d9fe A |
55 | MI_ENTRY_POINT(cerror) |
| 56 | MI_PUSH_STACK_FRAME | |
| 57 | MI_GET_ADDRESS(r12,_errno) | |
| 58 | stw r3,0(r12) /* save syscall return code in global */ | |
| 59 | MI_CALL_EXTERNAL(_cthread_set_errno_self) | |
| 60 | li r3,-1 /* then bug return value */ | |
| 61 | li r4,-1 /* in case we're returning a long-long in 32-bit mode, etc */ | |
| 62 | MI_POP_STACK_FRAME_AND_RETURN |