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/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Andreas Schwab <schwab@suse.de>, 2002.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <sysdep.h>
#ifndef __ASSEMBLER__
# include <linuxthreads/internals.h>
#endif
#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
# undef PSEUDO
# define PSEUDO(name, syscall_name, args) \
.text; \
ENTRY (name) \
SINGLE_THREAD_P; \
jne .Lpseudo_cancel; \
DO_CALL (syscall_name, args); \
cmp.l &-4095, %d0; \
jcc SYSCALL_ERROR_LABEL; \
rts; \
.Lpseudo_cancel: \
CENABLE; \
DOCARGS_##args \
move.l %d0, -(%sp); \
move.l &SYS_ify (syscall_name), %d0; \
trap &0; \
move.l %d0, %d2; \
CDISABLE; \
addq.l &4, %sp; \
move.l %d2, %d0; \
UNDOCARGS_##args \
cmp.l &-4095, %d0; \
jcc SYSCALL_ERROR_LABEL
# define DOCARGS_0 move.l %d2, -(%sp);
# define _DOCARGS_0(n)
# define UNDOCARGS_0 move.l (%sp)+, %d2;
# define DOCARGS_1 _DOCARGS_1 (4); DOCARGS_0
# define _DOCARGS_1(n) move.l n(%sp), %d1; _DOARGS_0 (n)
# define UNDOCARGS_1 UNDOCARGS_0
# define DOCARGS_2 _DOCARGS_2 (8)
# define _DOCARGS_2(n) move.l %d2, -(%sp); move.l n+4(%sp), %d2; \
_DOCARGS_1 (n)
# define UNDOCARGS_2 UNDOCARGS_1
# define DOCARGS_3 _DOCARGS_3 (12)
# define _DOCARGS_3(n) move.l %d3, -(%sp); move.l n+4(%sp), %d3; \
_DOCARGS_2 (n)
# define UNDOCARGS_3 UNDOCARGS_2; move.l (%sp)+, %d3;
# define DOCARGS_4 _DOCARGS_4 (16)
# define _DOCARGS_4(n) move.l %d4, -(%sp); move.l n+4(%sp), %d4; \
_DOCARGS_3 (n)
# define UNDOCARGS_4 UNDOCARGS_3; move.l (%sp)+, %d4;
# define DOCARGS_5 _DOCARGS_5 (20)
# define _DOCARGS_5(n) move.l %d5, -(%sp); move.l n+4(%sp), %d5; \
_DOCARGS_4 (n)
# define UNDOCARGS_5 UNDOCARGS_4; move.l (%sp)+, %d5;
# ifdef IS_IN_libpthread
# ifdef __PIC__
# define CENABLE jbsr __pthread_enable_asynccancel@PLTPC
# define CDISABLE jbsr __pthread_disable_asynccancel@PLTPC
# else
# define CENABLE jbsr __pthread_enable_asynccancel
# define CDISABLE jbsr __pthread_disable_asynccancel
# endif
# elif !defined NOT_IN_libc
# ifdef __PIC__
# define CENABLE jbsr __libc_enable_asynccancel@PLTPC
# define CDISABLE jbsr __libc_disable_asynccancel@PLTPC
# else
# define CENABLE jbsr __libc_enable_asynccancel
# define CDISABLE jbsr __libc_disable_asynccancel
# endif
# else
# ifdef __PIC__
# define CENABLE jbsr __librt_enable_asynccancel@PLTPC
# define CDISABLE jbsr __librt_disable_asynccancel@PLTPC
# else
# define CENABLE jbsr __librt_enable_asynccancel
# define CDISABLE jbsr __librt_disable_asynccancel
# endif
# endif
# if !defined NOT_IN_libc
# define __local_multiple_threads __libc_multiple_threads
# elif defined IS_IN_libpthread
# define __local_multiple_threads __pthread_multiple_threads
# else
# define __local_multiple_threads __librt_multiple_threads
# endif
# ifndef __ASSEMBLER__
extern int __local_multiple_threads attribute_hidden;
# define SINGLE_THREAD_P __builtin_expect (__local_multiple_threads == 0, 1)
# else
# if !defined __PIC__
# define SINGLE_THREAD_P tst.l __local_multiple_threads
# else
# define SINGLE_THREAD_P tst.l (__local_multiple_threads, %pc)
# endif
# endif
#elif !defined __ASSEMBLER__
/* This code should never be used but we define it anyhow. */
# define SINGLE_THREAD_P (1)
#endif
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