1 files changed, 117 insertions, 4 deletions
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/sysdep-cancel.h b/libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/sysdep-cancel.h
index dab7e0beb..c163dcdba 100644
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/sysdep-cancel.h
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/sysdep-cancel.h
@@ -1,5 +1,118 @@
-#if defined(__powerpc64__)
-#include "powerpc64/sysdep-cancel.h"
-#else
-#include "powerpc32/sysdep-cancel.h"
+/* Cancellable system call stubs.  Linux/PowerPC version.
+   Copyright (C) 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Franz Sirl <Franz.Sirl-kernel@lauterbach.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 <pthreadP.h>
+#endif
+
+#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
+
+# undef PSEUDO
+# define PSEUDO(name, syscall_name, args)				\
+  .section ".text";							\
+  ENTRY (name)								\
+    SINGLE_THREAD_P;							\
+    bne- .Lpseudo_cancel;						\
+  .type __##syscall_name##_nocancel,@function;				\
+  .globl __##syscall_name##_nocancel;					\
+  __##syscall_name##_nocancel:						\
+    DO_CALL (SYS_ify (syscall_name));					\
+    PSEUDO_RET;								\
+  .size __##syscall_name##_nocancel,.-__##syscall_name##_nocancel;	\
+  .Lpseudo_cancel:							\
+    stwu 1,-48(1);							\
+    cfi_adjust_cfa_offset (48);						\
+    mflr 9;								\
+    stw 9,52(1);							\
+    cfi_offset (lr, 4);							\
+    DOCARGS_##args;	/* save syscall args around CENABLE.  */	\
+    CENABLE;								\
+    stw 3,16(1);	/* store CENABLE return value (MASK).  */	\
+    UNDOCARGS_##args;	/* restore syscall args.  */			\
+    DO_CALL (SYS_ify (syscall_name));					\
+    mfcr 0;		/* save CR/R3 around CDISABLE.  */		\
+    stw 3,8(1);								\
+    stw 0,12(1);							\
+    lwz 3,16(1);	/* pass MASK to CDISABLE.  */			\
+    CDISABLE;								\
+    lwz 4,52(1);							\
+    lwz 0,12(1);	/* restore CR/R3. */				\
+    lwz 3,8(1);								\
+    mtlr 4;								\
+    mtcr 0;								\
+    addi 1,1,48;
+
+# define DOCARGS_0
+# define UNDOCARGS_0
+
+# define DOCARGS_1	stw 3,20(1); DOCARGS_0
+# define UNDOCARGS_1	lwz 3,20(1); UNDOCARGS_0
+
+# define DOCARGS_2	stw 4,24(1); DOCARGS_1
+# define UNDOCARGS_2	lwz 4,24(1); UNDOCARGS_1
+
+# define DOCARGS_3	stw 5,28(1); DOCARGS_2
+# define UNDOCARGS_3	lwz 5,28(1); UNDOCARGS_2
+
+# define DOCARGS_4	stw 6,32(1); DOCARGS_3
+# define UNDOCARGS_4	lwz 6,32(1); UNDOCARGS_3
+
+# define DOCARGS_5	stw 7,36(1); DOCARGS_4
+# define UNDOCARGS_5	lwz 7,36(1); UNDOCARGS_4
+
+# define DOCARGS_6	stw 8,40(1); DOCARGS_5
+# define UNDOCARGS_6	lwz 8,40(1); UNDOCARGS_5
+
+# ifdef IS_IN_libpthread
+#  define CENABLE	bl __pthread_enable_asynccancel@local
+#  define CDISABLE	bl __pthread_disable_asynccancel@local
+# elif !defined NOT_IN_libc
+#  define CENABLE	bl __libc_enable_asynccancel@local
+#  define CDISABLE	bl __libc_disable_asynccancel@local
+# elif defined IS_IN_librt
+#  define CENABLE	bl __librt_enable_asynccancel@local
+#  define CDISABLE	bl __librt_disable_asynccancel@local
+# else
+#  error Unsupported library
+# endif
+
+# ifndef __ASSEMBLER__
+#  define SINGLE_THREAD_P						\
+  __builtin_expect (THREAD_GETMEM (THREAD_SELF,				\
+				   header.multiple_threads) == 0, 1)
+# else
+#  define SINGLE_THREAD_P						\
+  lwz 10,MULTIPLE_THREADS_OFFSET(2);					\
+  cmpwi 10,0
+# 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