2001-04-09 12:50:44 +08:00
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/* Copyright (C) 2001 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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2001-07-06 12:56:23 +08:00
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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2001-04-09 12:50:44 +08:00
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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2001-07-06 12:56:23 +08:00
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Lesser General Public License for more details.
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2001-04-09 12:50:44 +08:00
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2001-07-06 12:56:23 +08:00
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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2001-04-09 12:50:44 +08:00
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#include <sysdep.h>
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/* Make space for the errno variable. */
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.globl C_SYMBOL_NAME(errno)
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.type C_SYMBOL_NAME(errno),@object
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.lcomm C_SYMBOL_NAME(errno),4
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weak_alias (errno, _errno)
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/* The syscall stubs jump here when they detect an error, bot for PIC and
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non-PIC. */
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.syntax no_register_prefix
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ENTRY (__syscall_error)
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neg.d r10,r10
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#ifdef _LIBC_REENTRANT
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push r10
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push srp
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/* Note that __syscall_error is only visible within this library,
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and no-one passes it on as a pointer, so can assume that R0 (GOT
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pointer) is correctly set up. */
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PLTCALL (__errno_location)
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pop srp
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pop r11
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move.d r11,[r10]
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#else /* not _LIBC_REENTRANT */
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# ifdef __PIC__
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move.d [r0+C_SYMBOL_NAME(errno:GOT)],r9
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move.d r10,[r9]
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# else
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move.d r10,[C_SYMBOL_NAME(errno)]
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# endif
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#endif /* _LIBC_REENTRANT */
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#ifdef __PIC__
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/* PIC callers are supposed to have R0 on stack, ready for us to restore.
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Callers are only allowed from within this DSO, so the GOT in r0 is the
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one we want to use.
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(Don't use "ret" - it's a macro). */
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moveq -1,r10
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Ret
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pop r0
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#else
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Ret
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moveq -1,r10
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#endif
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END (__syscall_error)
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