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

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29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33#if defined(SYSLIBC_SCCS) && !defined(lint)
34 .asciz "@(#)cerror.s 5.1 (Berkeley) 4/23/90"
35#endif /* SYSLIBC_SCCS and not lint */
36#include <machine/asm.h>
37__FBSDID("$FreeBSD: head/lib/libc/i386/sys/cerror.S 217106 2011-01-07 16:08:40Z kib $");
38
39#include "SYS.h"
40
41 .globl HIDENAME(cerror)
42
43 /*
44 * The __error() function is thread aware. For non-threaded
45 * programs and the initial threaded in threaded programs,
46 * it returns a pointer to the global errno variable.
47 */
48 .globl CNAME(__error)
49 .type CNAME(__error),@function
50HIDENAME(cerror):
51 pushl %eax
52#ifdef PIC
53 /* The caller must execute the PIC prologue before jumping to cerror. */
54 call PIC_PLT(CNAME(__error))
55 popl %ecx
56 PIC_EPILOGUE
57#else
58 call CNAME(__error)
59 popl %ecx
60#endif
61 movl %ecx,(%eax)
62 movl $-1,%eax
63 movl $-1,%edx
64 ret
65
66 .section .note.GNU-stack,"",%progbits