diff options
Diffstat (limited to 'libpthread/linuxthreads/sysdeps/unix/sysv/linux/m68k/sysdep-cancel.h')
| -rw-r--r-- | libpthread/linuxthreads/sysdeps/unix/sysv/linux/m68k/sysdep-cancel.h | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/libpthread/linuxthreads/sysdeps/unix/sysv/linux/m68k/sysdep-cancel.h b/libpthread/linuxthreads/sysdeps/unix/sysv/linux/m68k/sysdep-cancel.h new file mode 100644 index 000000000..54b99d688 --- /dev/null +++ b/libpthread/linuxthreads/sysdeps/unix/sysv/linux/m68k/sysdep-cancel.h @@ -0,0 +1,128 @@ +/* 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 |