| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129 |
- /* 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, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
- #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
|
