2 files changed, 102 insertions, 0 deletions
diff --git a/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/Makefile b/linuxthreads/sysdeps/unix/sysv/linux/powerpc/Makefile
index e98c9bd866..e98c9bd866 100644
--- a/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/Makefile
+++ b/linuxthreads/sysdeps/unix/sysv/linux/powerpc/Makefile
diff --git a/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep-cancel.h b/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep-cancel.h
new file mode 100644
index 0000000000..58257a17b2
--- /dev/null
+++ b/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep-cancel.h
@@ -0,0 +1,102 @@
+/* Copyright (C) 2003 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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <sysdep.h>
+#ifndef __ASSEMBLER__
+# include <linuxthreads/internals.h>
+#endif
+
+#if !defined NOT_IN_libc || defined IS_IN_libpthread
+
+# undef PSEUDO
+# define PSEUDO(name, syscall_name, args)				\
+  .section ".text";							\
+  ENTRY (name)								\
+    SINGLE_THREAD_P;							\
+    bne- .Lpseudo_cancel;						\
+    DO_CALL (SYS_ify (syscall_name));					\
+    PSEUDO_RET;								\
+  .Lpseudo_cancel:							\
+    stdu 1,-128(1);							\
+    mflr 9;								\
+    std  9,128+16(1);							\
+    DOCARGS_##args;	/* save syscall args around CENABLE.  */	\
+    CENABLE;								\
+    std  3,72(1);	/* store CENABLE return value (MASK).  */	\
+    UNDOCARGS_##args;	/* restore syscall args.  */			\
+    DO_CALL (SYS_ify (syscall_name));					\
+    mfcr 0;		/* save CR/R3 around CDISABLE.  */		\
+    std  3,64(1);								\
+    std  0,8(1);							\
+    ld   3,72(1);	/* pass MASK to CDISABLE.  */			\
+    CDISABLE;								\
+    ld   9,128+16(1);							\
+    ld   0,8(1);	/* restore CR/R3. */				\
+    ld   3,64(1);								\
+    mtlr 9;								\
+    mtcr 0;								\
+    addi 1,1,128;
+
+# define DOCARGS_0
+# define UNDOCARGS_0
+
+# define DOCARGS_1	std 3,80(1); DOCARGS_0
+# define UNDOCARGS_1	ld 3,80(1); UNDOCARGS_0
+
+# define DOCARGS_2	std 4,88(1); DOCARGS_1
+# define UNDOCARGS_2	ld 4,88(1); UNDOCARGS_1
+
+# define DOCARGS_3	std 5,96(1); DOCARGS_2
+# define UNDOCARGS_3	ld 5,96(1); UNDOCARGS_2
+
+# define DOCARGS_4	std 6,104(1); DOCARGS_3
+# define UNDOCARGS_4	ld 6,104(1); UNDOCARGS_3
+
+# define DOCARGS_5	std 7,112(1); DOCARGS_4
+# define UNDOCARGS_5	ld 7,112(1); UNDOCARGS_4
+
+# define DOCARGS_6	std 8,120(1); DOCARGS_5
+# define UNDOCARGS_6	ld 8,120(1); UNDOCARGS_5
+
+# ifdef IS_IN_libpthread
+#  define CENABLE	bl JUMPTARGET(__pthread_enable_asynccancel)
+#  define CDISABLE	bl JUMPTARGET(__pthread_disable_asynccancel)
+#  define __local_multiple_threads __pthread_multiple_threads
+# else
+#  define CENABLE	bl JUMPTARGET(__libc_enable_asynccancel)
+#  define CDISABLE	bl JUMPTARGET(__libc_disable_asynccancel)
+#  define __local_multiple_threads __libc_multiple_threads
+# endif
+
+# 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						\
+  ld    10,__local_multiple_threads@got(2);				\
+  ld    10,0(10);								\
+  cmpdi 10,0
+# endif
+
+#elif !defined __ASSEMBLER__
+
+/* This code should never be used but we define it anyhow.  */
+# define SINGLE_THREAD_P (1)
+
+#endif