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Add *__errno() redirection for _REENTRANT code.

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This commit is contained in:
kleink 1998-10-01 09:26:31 +00:00
parent ed03ee06e1
commit f73ad7167d
1 changed files with 20 additions and 3 deletions
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23
lib/libc/arch/i386/sys/cerror.S
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@ -1,4 +1,4 @@
/* $NetBSD: cerror.S,v 1.6 1998/07/01 06:24:25 thorpej Exp $ */
/* $NetBSD: cerror.S,v 1.7 1998/10/01 09:26:31 kleink Exp $ */
/*-
* Copyright (c) 1990 The Regents of the University of California.
@ -40,13 +40,29 @@
#include <machine/asm.h>
#if defined(SYSLIBC_SCCS) && !defined(lint)
RCSID("$NetBSD: cerror.S,v 1.6 1998/07/01 06:24:25 thorpej Exp $")
RCSID("$NetBSD: cerror.S,v 1.7 1998/10/01 09:26:31 kleink Exp $")
#endif /* SYSLIBC_SCCS and not lint */
#include "SYS.h"
#ifdef _REENTRANT
.globl _C_LABEL(__errno)
#else
.globl _C_LABEL(errno)
#endif
cerror:
#ifdef _REENTRANT
push %eax
#ifdef PIC
PIC_PROLOGUE
call PIC_PLT(_C_LABEL(__errno))
PIC_EPILOGUE
#else
call _C_LABEL(__errno)
#endif /* PIC */
popl %ecx
movl %ecx,(%eax)
#else
#ifdef PIC
PIC_PROLOGUE
movl PIC_GOT(_C_LABEL(errno)),%ecx
@ -54,7 +70,8 @@ cerror:
movl %eax,(%ecx)
#else
movl %eax,_C_LABEL(errno)
#endif
#endif /* PIC */
#endif /* _REENTRANT */
movl $-1,%eax
movl $-1,%edx
ret