update

[l4.git] / l4 / pkg / uclibc / lib / contrib / uclibc / libpthread / nptl / sysdeps / unix / sysv / linux / sparc / sparc64 / sysdep-cancel.h

diff --git a/l4/pkg/uclibc/lib/contrib/uclibc/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep-cancel.h b/l4/pkg/uclibc/lib/contrib/uclibc/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep-cancel.h
new file mode 100644 (file)
index 0000000..aec2d4a
--- /dev/null
+++ b/l4/pkg/uclibc/lib/contrib/uclibc/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep-cancel.h
@@ -0,0 +1,110 @@
+/* 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 <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;                                  \
+       .globl          __syscall_error;        \
+ENTRY(name)                                    \
+       ld [%g7 + MULTIPLE_THREADS_OFFSET], %g1;\
+       brnz,pn %g1, 1f;                        \
+.type  __##syscall_name##_nocancel,@function;  \
+.globl __##syscall_name##_nocancel;            \
+__##syscall_name##_nocancel:                   \
+        mov SYS_ify(syscall_name), %g1;        \
+       ta 0x6d;                                \
+       bcc,pt %xcc, 8f;                        \
+        mov %o7, %g1;                          \
+       call __syscall_error;                   \
+        mov %g1, %o7;                          \
+8:     jmpl %o7 + 8, %g0;                      \
+        nop;                                   \
+.size  __##syscall_name##_nocancel,.-__##syscall_name##_nocancel;\
+1:     save %sp, -192, %sp;                    \
+       cfi_def_cfa_register(%fp);              \
+       cfi_window_save;                        \
+       cfi_register(%o7, %i7);                 \
+       CENABLE;                                \
+        nop;                                   \
+       mov %o0, %l0;                           \
+       COPY_ARGS_##args                        \
+       mov SYS_ify(syscall_name), %g1;         \
+       ta 0x6d;                                \
+       bcc,pt %xcc, 1f;                        \
+        mov %o0, %l1;                          \
+       CDISABLE;                               \
+        mov %l0, %o0;                          \
+       call __syscall_error;                   \
+        mov %l1, %o0;                          \
+       ba,pt %xcc, 2f;                         \
+        mov -1, %l1;                           \
+1:     CDISABLE;                               \
+        mov %l0, %o0;                          \
+2:     jmpl %i7 + 8, %g0;                      \
+        restore %g0, %l1, %o0;
+
+# ifdef IS_IN_libpthread
+#  define CENABLE      call __pthread_enable_asynccancel
+#  define CDISABLE     call __pthread_disable_asynccancel
+# elif !defined NOT_IN_libc
+#  define CENABLE      call __libc_enable_asynccancel
+#  define CDISABLE     call __libc_disable_asynccancel
+# elif defined IS_IN_librt
+#  define CENABLE      call __librt_enable_asynccancel
+#  define CDISABLE     call __librt_disable_asynccancel
+# else
+#  error Unsupported library
+# endif
+
+#define COPY_ARGS_0    /* Nothing */
+#define COPY_ARGS_1    COPY_ARGS_0 mov %i0, %o0;
+#define COPY_ARGS_2    COPY_ARGS_1 mov %i1, %o1;
+#define COPY_ARGS_3    COPY_ARGS_2 mov %i2, %o2;
+#define COPY_ARGS_4    COPY_ARGS_3 mov %i3, %o3;
+#define COPY_ARGS_5    COPY_ARGS_4 mov %i4, %o4;
+#define COPY_ARGS_6    COPY_ARGS_5 mov %i5, %o5;
+
+# ifndef __ASSEMBLER__
+#  define SINGLE_THREAD_P \
+  __builtin_expect (THREAD_GETMEM (THREAD_SELF,                                      \
+                                  header.multiple_threads) == 0, 1)
+# else
+#  define SINGLE_THREAD_P ld [%g7 + MULTIPLE_THREADS_OFFSET], %g1
+# 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