1/*- 2 * Copyright (c) 1990 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * William Jolitz. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 *
| 1/*- 2 * Copyright (c) 1990 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * William Jolitz. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 *
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36 * $Id: cerror.S,v 1.3 1995/01/23 01:29:43 davidg Exp $
| 36 * $Id: cerror.S,v 1.4 1996/01/22 00:00:57 julian Exp $
|
37 */ 38 39#if defined(SYSLIBC_RCS) && !defined(lint) 40 .text
| 37 */ 38 39#if defined(SYSLIBC_RCS) && !defined(lint) 40 .text
|
41 .asciz "$Id: cerror.S,v 1.3 1995/01/23 01:29:43 davidg Exp $"
| 41 .asciz "$Id: cerror.S,v 1.4 1996/01/22 00:00:57 julian Exp $"
|
42#endif /* SYSLIBC_RCS and not lint */ 43 44#include "SYS.h" 45
| 42#endif /* SYSLIBC_RCS and not lint */ 43 44#include "SYS.h" 45
|
| 46 .globl HIDENAME(cerror) 47
|
46#ifdef _THREAD_SAFE 47 /* 48 * Threaded version using __error(). 49 */
| 48#ifdef _THREAD_SAFE 49 /* 50 * Threaded version using __error(). 51 */
|
50 .globl ___error 51 .type ___error,@function 52cerror:
| 52 .globl CNAME(__error) 53 .type CNAME(__error),@function 54HIDENAME(cerror):
|
53 pushl %eax 54#ifdef PIC
| 55 pushl %eax 56#ifdef PIC
|
55 call PIC_PLT(___error)
| 57 /* The caller must execute the PIC prologue before jumping to cerror. */ 58 call PIC_PLT(CNAME(__error))
|
56#else
| 59#else
|
57 call ___error
| 60 call CNAME(__error)
|
58#endif 59 popl %ecx 60 movl %ecx,(%eax) 61 movl $-1,%eax 62 movl $-1,%edx 63 ret 64 65#else /* _THREAD_SAFE */ 66 /* 67 * Non-threaded version using global errno. 68 */
| 61#endif 62 popl %ecx 63 movl %ecx,(%eax) 64 movl $-1,%eax 65 movl $-1,%edx 66 ret 67 68#else /* _THREAD_SAFE */ 69 /* 70 * Non-threaded version using global errno. 71 */
|
69 .globl _errno 70cerror:
| 72 .globl CNAME(errno) 73HIDENAME(cerror):
|
71#ifdef PIC
| 74#ifdef PIC
|
72 PIC_PROLOGUE 73 movl PIC_GOT(_errno),%ecx
| 75 /* The caller must execute the PIC prologue before jumping to cerror. */ 76 movl PIC_GOT(CNAME(errno)),%ecx
|
74 movl %eax,(%ecx) 75 PIC_EPILOGUE 76#else
| 77 movl %eax,(%ecx) 78 PIC_EPILOGUE 79#else
|
77 movl %eax,_errno
| 80 movl %eax,CNAME(errno)
|
78#endif 79 movl $-1,%eax 80 movl $-1,%edx 81 ret 82#endif /* _THREAD_SAFE */
| 81#endif 82 movl $-1,%eax 83 movl $-1,%edx 84 ret 85#endif /* _THREAD_SAFE */
|