diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/s390/s390-64/sysdep-cancel.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/s390/s390-64/sysdep-cancel.h | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/sysdep-cancel.h b/sysdeps/unix/sysv/linux/s390/s390-64/sysdep-cancel.h deleted file mode 100644 index e7dea7197e..0000000000 --- a/sysdeps/unix/sysv/linux/s390/s390-64/sysdep-cancel.h +++ /dev/null @@ -1,152 +0,0 @@ -/* Copyright (C) 2003-2016 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Jakub Jelinek <jakub@redhat.com>, 2003. - - 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> -#include <tls.h> -#ifndef __ASSEMBLER__ -# include <nptl/pthreadP.h> -#endif - -#if IS_IN (libc) || IS_IN (libpthread) || IS_IN (librt) - -# undef PSEUDO -# define PSEUDO(name, syscall_name, args) \ - .text; \ -L(pseudo_cancel): \ - cfi_startproc; \ - STM_##args \ - stmg %r13,%r15,104(%r15); \ - cfi_offset (%r15,-40); \ - cfi_offset (%r14,-48); \ - cfi_offset (%r13,-56); \ - lgr %r14,%r15; \ - aghi %r15,-160; \ - cfi_adjust_cfa_offset (160); \ - stg %r14,0(%r15); \ - brasl %r14,CENABLE; \ - lgr %r0,%r2; \ - LM_##args \ - .if SYS_ify (syscall_name) < 256; \ - svc SYS_ify (syscall_name); \ - .else; \ - lghi %r1,SYS_ify (syscall_name); \ - svc 0; \ - .endif; \ - LR7_##args \ - lgr %r13,%r2; \ - lgr %r2,%r0; \ - brasl %r14,CDISABLE; \ - lgr %r2,%r13; \ - lmg %r13,%r15,104+160(%r15); \ - cfi_endproc; \ - j L(pseudo_check); \ -ENTRY(name) \ - SINGLE_THREAD_P \ - jne L(pseudo_cancel); \ -.type __##syscall_name##_nocancel,@function; \ -.globl __##syscall_name##_nocancel; \ -__##syscall_name##_nocancel: \ - DO_CALL(syscall_name, args); \ -L(pseudo_check): \ - lghi %r4,-4095; \ - clgr %r2,%r4; \ - jgnl SYSCALL_ERROR_LABEL; \ -.size __##syscall_name##_nocancel,.-__##syscall_name##_nocancel; \ -L(pseudo_end): - -# if IS_IN (libpthread) -# define CENABLE __pthread_enable_asynccancel -# define CDISABLE __pthread_disable_asynccancel -# define __local_multiple_threads __pthread_multiple_threads -# elif IS_IN (libc) -# define CENABLE __libc_enable_asynccancel -# define CDISABLE __libc_disable_asynccancel -# define __local_multiple_threads __libc_multiple_threads -# elif IS_IN (librt) -# define CENABLE __librt_enable_asynccancel -# define CDISABLE __librt_disable_asynccancel -# else -# error Unsupported library -# endif - -#define STM_0 /* Nothing */ -#define STM_1 stg %r2,16(%r15); -#define STM_2 stmg %r2,%r3,16(%r15); -#define STM_3 stmg %r2,%r4,16(%r15); -#define STM_4 stmg %r2,%r5,16(%r15); -#define STM_5 stmg %r2,%r5,16(%r15); -#define STM_6 stmg %r2,%r7,16(%r15); - -#define LM_0 /* Nothing */ -#define LM_1 lg %r2,16+160(%r15); -#define LM_2 lmg %r2,%r3,16+160(%r15); -#define LM_3 lmg %r2,%r4,16+160(%r15); -#define LM_4 lmg %r2,%r5,16+160(%r15); -#define LM_5 lmg %r2,%r5,16+160(%r15); -#define LM_6 lmg %r2,%r5,16+160(%r15); \ - cfi_offset (%r7, -104); \ - lg %r7,160+160(%r15); - -#define LR7_0 /* Nothing */ -#define LR7_1 /* Nothing */ -#define LR7_2 /* Nothing */ -#define LR7_3 /* Nothing */ -#define LR7_4 /* Nothing */ -#define LR7_5 /* Nothing */ -#define LR7_6 lg %r7,56+160(%r15); \ - cfi_restore (%r7); - -# if IS_IN (libpthread) || IS_IN (libc) -# 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 \ - larl %r1,__local_multiple_threads; \ - icm %r0,15,0(%r1); -# endif - -# else - -# ifndef __ASSEMBLER__ -# define SINGLE_THREAD_P \ - __builtin_expect (THREAD_GETMEM (THREAD_SELF, \ - header.multiple_threads) == 0, 1) -# else -# define SINGLE_THREAD_P \ - ear %r1,%a0; \ - sllg %r1,%r1,32; \ - ear %r1,%a1; \ - icm %r1,15,MULTIPLE_THREADS_OFFSET(%r1); -# endif - -# endif - -#elif !defined __ASSEMBLER__ - -# define SINGLE_THREAD_P (1) -# define NO_CANCELLATION 1 - -#endif - -#ifndef __ASSEMBLER__ -# define RTLD_SINGLE_THREAD_P \ - __builtin_expect (THREAD_GETMEM (THREAD_SELF, \ - header.multiple_threads) == 0, 1) -#endif |