/* Copyright (C) 2003, 2004, 2006 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, write to the Free   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA   02111-1307 USA.  */#include <sysdep.h>#include <tls.h>#ifndef __ASSEMBLER__# include <nptl/pthreadP.h>#endif#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined 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):# ifdef IS_IN_libpthread#  define CENABLE	__pthread_enable_asynccancel#  define CDISABLE	__pthread_disable_asynccancel#  define __local_multiple_threads	__pthread_multiple_threads# elif !defined NOT_IN_libc#  define CENABLE	__libc_enable_asynccancel#  define CDISABLE	__libc_disable_asynccancel#  define __local_multiple_threads	__libc_multiple_threads# elif defined 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 defined IS_IN_libpthread || !defined NOT_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