/* Copyright (C) 2002, 2003, 2004, 2006 Free Software Foundation, Inc.   This file is part of the GNU C Library.   Contributed by Jakub Jelinek <jakub@redhat.com>, 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>#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# if USE___THREAD#  ifndef NOT_IN_libc#   define SYSDEP_CANCEL_ERRNO __libc_errno#  else#   define SYSDEP_CANCEL_ERRNO errno#  endif#  define SYSDEP_CANCEL_ERROR(args)					      \.section .gnu.linkonce.t.__syscall_error_##args, "ax";			      \     .align 32;								      \     .proc __syscall_error_##args;					      \     .global __syscall_error_##args;					      \     .hidden __syscall_error_##args;					      \     .size __syscall_error_##args, 64;					      \__syscall_error_##args:							      \     .prologue;								      \     .regstk args, 5, args, 0;						      \     .save ar.pfs, loc0;						      \     .save rp, loc1;							      \     .body;								      \     addl loc4 = @ltoff(@tprel(SYSDEP_CANCEL_ERRNO)), gp;;		      \     ld8 loc4 = [loc4];							      \     mov rp = loc1;;							      \     mov r8 = -1;							      \     add loc4 = loc4, r13;;						      \     st4 [loc4] = loc3;							      \     mov ar.pfs = loc0# else#  define SYSDEP_CANCEL_ERROR(args)					      \.section .gnu.linkonce.t.__syscall_error_##args, "ax";			      \     .align 32;								      \     .proc __syscall_error_##args;					      \     .global __syscall_error_##args;					      \     .hidden __syscall_error_##args;					      \     .size __syscall_error_##args, 64;					      \__syscall_error_##args:							      \     .prologue;								      \     .regstk args, 5, args, 0;						      \     .save ar.pfs, loc0;						      \     .save rp, loc1;							      \     .body;								      \     mov loc4 = r1;;							      \     br.call.sptk.many b0 = __errno_location;;				      \     st4 [r8] = loc3;							      \     mov r1 = loc4;							      \     mov rp = loc1;							      \     mov r8 = -1;							      \     mov ar.pfs = loc0# endif# ifndef USE_DL_SYSINFO#  define PSEUDO(name, syscall_name, args)				      \.text;									      \ENTRY (name)								      \     adds r14 = MULTIPLE_THREADS_OFFSET, r13;;				      \     ld4 r14 = [r14];							      \     mov r15 = SYS_ify(syscall_name);;					      \     cmp4.ne p6, p7 = 0, r14;						      \(p6) br.cond.spnt .Lpseudo_cancel;;					      \     break __BREAK_SYSCALL;;						      \     cmp.eq p6,p0=-1,r10;						      \(p6) br.cond.spnt.few __syscall_error;					      \     ret;;								      \     .endp name;							      \     .proc __GC_##name;							      \     .globl __GC_##name;						      \     .hidden __GC_##name;						      \__GC_##name:								      \.Lpseudo_cancel:							      \     .prologue;								      \     .regstk args, 5, args, 0;						      \     .save ar.pfs, loc0;						      \     alloc loc0 = ar.pfs, args, 5, args, 0;				      \     .save rp, loc1;							      \     mov loc1 = rp;;							      \     .body;								      \     CENABLE;;								      \     mov loc2 = r8;							      \     COPY_ARGS_##args							      \     mov r15 = SYS_ify(syscall_name);					      \     break __BREAK_SYSCALL;;						      \     mov loc3 = r8;							      \     mov loc4 = r10;							      \     mov out0 = loc2;							      \     CDISABLE;;								      \     cmp.eq p6,p0=-1,loc4;						      \(p6) br.cond.spnt.few __syscall_error_##args;				      \     mov r8 = loc3;							      \     mov rp = loc1;							      \     mov ar.pfs = loc0;							      \.Lpseudo_end:								      \     ret;								      \     .endp __GC_##name;							      \     SYSDEP_CANCEL_ERROR(args)# else /* USE_DL_SYSINFO */#  define PSEUDO(name, syscall_name, args)				      \.text;									      \ENTRY (name)								      \     .prologue;								      \     adds r2 = SYSINFO_OFFSET, r13;					      \     adds r14 = MULTIPLE_THREADS_OFFSET, r13;				      \     .save ar.pfs, r11;							      \     mov r11 = ar.pfs;;							      \     .body;								      \     ld4 r14 = [r14];							      \     ld8 r2 = [r2];							      \     mov r15 = SYS_ify(syscall_name);;					      \     cmp4.ne p6, p7 = 0, r14;						      \     mov b7 = r2;							      \(p6) br.cond.spnt .Lpseudo_cancel;					      \     br.call.sptk.many b6 = b7;;					      \     mov ar.pfs = r11;							      \     cmp.eq p6,p0 = -1, r10;						      \(p6) br.cond.spnt.few __syscall_error;					      \     ret;;								      \     .endp name;							      \     .proc __GC_##name;							      \     .globl __GC_##name;						      \     .hidden __GC_##name;						      \__GC_##name:								      \.Lpseudo_cancel:							      \     .prologue;								      \     .regstk args, 5, args, 0;						      \     .save ar.pfs, loc0;						      \     alloc loc0 = ar.pfs, args, 5, args, 0;				      \     adds loc4 = SYSINFO_OFFSET, r13;					      \     .save rp, loc1;							      \     mov loc1 = rp;;							      \     .body;								      \     ld8 loc4 = [loc4];							      \     CENABLE;;								      \     mov loc2 = r8;							      \     mov b7 = loc4;							      \     COPY_ARGS_##args							      \     mov r15 = SYS_ify(syscall_name);					      \     br.call.sptk.many b6 = b7;;					      \     mov loc3 = r8;							      \     mov loc4 = r10;							      \     mov out0 = loc2;							      \     CDISABLE;;								      \     cmp.eq p6,p0=-1,loc4;						      \(p6) br.cond.spnt.few __syscall_error_##args;				      \     mov r8 = loc3;							      \     mov rp = loc1;							      \     mov ar.pfs = loc0;							      \.Lpseudo_end:								      \     ret;								      \     .endp __GC_##name;							      \     SYSDEP_CANCEL_ERROR(args)# endif /* USE_DL_SYSINFO */# undef PSEUDO_END# define PSEUDO_END(name) .endp# ifdef IS_IN_libpthread#  define CENABLE	br.call.sptk.many b0 = __pthread_enable_asynccancel#  define CDISABLE	br.call.sptk.many b0 = __pthread_disable_asynccancel# elif !defined NOT_IN_libc#  define CENABLE	br.call.sptk.many b0 = __libc_enable_asynccancel#  define CDISABLE	br.call.sptk.many b0 = __libc_disable_asynccancel# elif defined IS_IN_librt#  define CENABLE	br.call.sptk.many b0 = __librt_enable_asynccancel#  define CDISABLE	br.call.sptk.many b0 = __librt_disable_asynccancel# else#  error Unsupported library# endif# define COPY_ARGS_0	/* Nothing */# define COPY_ARGS_1	COPY_ARGS_0 mov out0 = in0;# define COPY_ARGS_2	COPY_ARGS_1 mov out1 = in1;# define COPY_ARGS_3	COPY_ARGS_2 mov out2 = in2;# define COPY_ARGS_4	COPY_ARGS_3 mov out3 = in3;# define COPY_ARGS_5	COPY_ARGS_4 mov out4 = in4;# define COPY_ARGS_6	COPY_ARGS_5 mov out5 = in5;# define COPY_ARGS_7	COPY_ARGS_6 mov out6 = in6;# ifndef __ASSEMBLER__#  define SINGLE_THREAD_P \  __builtin_expect (THREAD_GETMEM (THREAD_SELF, header.multiple_threads) == 0, 1)# else#  define SINGLE_THREAD_P \  adds r14 = MULTIPLE_THREADS_OFFSET, r13 ;; ld4 r14 = [r14] ;; cmp4.ne p6, p7 = 0, r14# 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