diff options
Diffstat (limited to 'ports/sysdeps/unix/sysv/linux/arm/eabi/linuxthreads/sysdep-cancel.h')
| -rw-r--r-- | ports/sysdeps/unix/sysv/linux/arm/eabi/linuxthreads/sysdep-cancel.h | 116 |
1 files changed, 0 insertions, 116 deletions
diff --git a/ports/sysdeps/unix/sysv/linux/arm/eabi/linuxthreads/sysdep-cancel.h b/ports/sysdeps/unix/sysv/linux/arm/eabi/linuxthreads/sysdep-cancel.h deleted file mode 100644 index bc520426e..000000000 --- a/ports/sysdeps/unix/sysv/linux/arm/eabi/linuxthreads/sysdep-cancel.h +++ /dev/null @@ -1,116 +0,0 @@ -/* Copyright (C) 2003, 2005 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - 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 - -# undef PSEUDO -# define PSEUDO(name, syscall_name, args) \ - .section ".text"; \ - PSEUDO_PROLOGUE; \ - ENTRY (name); \ - SINGLE_THREAD_P; \ - DOARGS_##args; \ - bne .Lpseudo_cancel; \ - mov ip, r7; \ - ldr r7, =SYS_ify (syscall_name); \ - swi 0x0; \ - mov r7, ip; \ - UNDOARGS_##args; \ - cmn r0, $4096; \ - PSEUDO_RET; \ - .Lpseudo_cancel: \ - DOCARGS_##args; /* save syscall args etc. around CENABLE. */ \ - CENABLE; \ - mov ip, r0; /* put mask in safe place. */ \ - UNDOCARGS_##args; /* restore syscall args. */ \ - ldr r7, =SYS_ify (syscall_name); \ - swi 0x0; /* do the call. */ \ - mov r7, r0; /* save syscall return value. */ \ - mov r0, ip; /* get mask back. */ \ - CDISABLE; \ - mov r0, r7; /* retrieve return value. */ \ - RESTORE_LR_##args; \ - UNDOARGS_##args; \ - cmn r0, $4096; - -/* DOARGS pushes four bytes on the stack for five arguments, eight bytes for - six arguments, and nothing for fewer. In order to preserve doubleword - alignment, sometimes we must save an extra register. */ - -# define DOCARGS_0 stmfd sp!, {r7, lr} -# define UNDOCARGS_0 -# define RESTORE_LR_0 ldmfd sp!, {r7, lr} - -# define DOCARGS_1 stmfd sp!, {r0, r1, r7, lr} -# define UNDOCARGS_1 ldr r0, [sp], #8 -# define RESTORE_LR_1 RESTORE_LR_0 - -# define DOCARGS_2 stmfd sp!, {r0, r1, r7, lr} -# define UNDOCARGS_2 ldmfd sp!, {r0, r1} -# define RESTORE_LR_2 RESTORE_LR_0 - -# define DOCARGS_3 stmfd sp!, {r0, r1, r2, r3, r7, lr} -# define UNDOCARGS_3 ldmfd sp!, {r0, r1, r2, r3} -# define RESTORE_LR_3 RESTORE_LR_0 - -# define DOCARGS_4 stmfd sp!, {r0, r1, r2, r3, r7, lr} -# define UNDOCARGS_4 ldmfd sp!, {r0, r1, r2, r3} -# define RESTORE_LR_4 RESTORE_LR_0 - -# define DOCARGS_5 stmfd sp!, {r0, r1, r2, r3, r4, r7, lr} -# define UNDOCARGS_5 ldmfd sp!, {r0, r1, r2, r3} -# define RESTORE_LR_5 ldmfd sp!, {r4, r7, lr} - -# define DOCARGS_6 stmfd sp!, {r0, r1, r2, r3, r7, lr} -# define UNDOCARGS_6 ldmfd sp!, {r0, r1, r2, r3} -# define RESTORE_LR_6 RESTORE_LR_0 - -# ifdef IS_IN_libpthread -# define CENABLE bl PLTJMP(__pthread_enable_asynccancel) -# define CDISABLE bl PLTJMP(__pthread_disable_asynccancel) -# define __local_multiple_threads __pthread_multiple_threads -# else -# define CENABLE bl PLTJMP(__libc_enable_asynccancel) -# define CDISABLE bl PLTJMP(__libc_disable_asynccancel) -# define __local_multiple_threads __libc_multiple_threads -# endif - -# ifndef __ASSEMBLER__ -extern int __local_multiple_threads attribute_hidden; -# define SINGLE_THREAD_P __builtin_expect (__local_multiple_threads == 0, 1) -# else -# define SINGLE_THREAD_P \ - ldr ip, 1b; \ -2: \ - ldr ip, [pc, ip]; \ - teq ip, #0; -# define PSEUDO_PROLOGUE \ - 1: .word __local_multiple_threads - 2f - 8; -# endif - -#else - -/* For rtld, et cetera. */ -# define SINGLE_THREAD_P 1 - -#endif |