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authorRoland McGrath <roland@hack.frob.com>2014-07-03 22:19:41 -0700
committerMike Frysinger <vapier@gentoo.org>2014-08-04 10:00:52 -0400
commit43a94c647d037b62b55a67f53304a2d3f9d7f66c (patch)
tree35e5a15704c7cb84091ff1ba99c5f1e6644e1c31 /sysdeps/unix/sysv/linux/ia64/sysdep-cancel.h
parent8f3c1fa42da006fba38b8c485f6dd149b24d5e23 (diff)
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IA64: Consolidate nptl/ subdirectories under linux/...
Diffstat (limited to 'sysdeps/unix/sysv/linux/ia64/sysdep-cancel.h')
-rw-r--r--sysdeps/unix/sysv/linux/ia64/sysdep-cancel.h204
1 files changed, 204 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/ia64/sysdep-cancel.h b/sysdeps/unix/sysv/linux/ia64/sysdep-cancel.h
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index 0000000000..5b08748949
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+++ b/sysdeps/unix/sysv/linux/ia64/sysdep-cancel.h
@@ -0,0 +1,204 @@
+/* Copyright (C) 2002-2014 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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#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
+
+# 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
+
+# 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