2 * Copyright (c) 1990 The Regents of the University of California.
5 * This code is derived from software contributed to Berkeley by
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
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.
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
36 * $FreeBSD: src/lib/libc/i386/sys/cerror.S,v 1.10 1999/08/27 23:59:38 peter Exp $
37 * $DragonFly: src/lib/libc/i386/sys/cerror.S,v 1.5 2005/05/11 19:46:54 dillon Exp $
42 .globl HIDENAME(cerror)
44 #if 0 /* POSSIBLE FUTURE */
48 /* The caller must execute the PIC prologue before jumping to cerror. */
50 movl %eax, PIC_GOT(CNAME(errno))
74 /* The caller must execute the PIC prologue before jumping to cerror. */
76 movl %eax, PIC_GOT(CNAME(errno))
79 leal errno@TLSGD(,%ebx,1), %eax
80 call ___tls_get_addr@PLT
90 movl %eax,errno@NTPOFF(%ecx)
97 #if !defined(PIC) && !defined(__thread)
99 * Return the direct TLS offset for errno. TLS non-PIC version
100 * of libc only (i.e. statically linked programs).
102 .globl __get_errno_GS_offset
103 __get_errno_GS_offset:
104 movl errno@INDNTPOFF,%eax
108 #if defined(PIC) && !defined(__thread)
110 * Return a pointer to the GOT table entry for errno. TLS PIC version
111 * of libc only (i.e. the dynamic libc).
113 .globl __get_errno_GOT_ptr
116 leal errno@TLSGD(,%ebx,1),%eax