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authorUlrich Drepper <drepper@redhat.com>2003-01-05 10:55:15 +0000
committerUlrich Drepper <drepper@redhat.com>2003-01-05 10:55:15 +0000
commit73e9ae887fab0918165e49d783328c891c1b1bdb (patch)
treef20298d0dd2e59958be2e3fcd1cc708ae8c3bece /linuxthreads
parenta7f7b879fbe6fb58b670ad41d2b6e40f14730cb8 (diff)
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Update.
2003-01-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> * sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h: New file. * sysdeps/unix/sysv/linux/powerpc/powerpc32/Makefile: New file.
Diffstat (limited to 'linuxthreads')
-rw-r--r--linuxthreads/ChangeLog5
-rw-r--r--linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/Makefile1
-rw-r--r--linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h110
3 files changed, 116 insertions, 0 deletions
diff --git a/linuxthreads/ChangeLog b/linuxthreads/ChangeLog
index f7a01f462d..053ae30f37 100644
--- a/linuxthreads/ChangeLog
+++ b/linuxthreads/ChangeLog
@@ -1,3 +1,8 @@
+2003-01-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h: New file.
+ * sysdeps/unix/sysv/linux/powerpc/powerpc32/Makefile: New file.
+
2003-01-04 Jakub Jelinek <jakub@redhat.com>
* internals.h (LIBC_THREAD_GETMEM, LIBC_THREAD_SETMEM): Define
diff --git a/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/Makefile b/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/Makefile
new file mode 100644
index 0000000000..57c0e261c0
--- /dev/null
+++ b/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/Makefile
@@ -0,0 +1 @@
+libpthread-routines += sysdep s_pread64 s_pwrite64
diff --git a/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h b/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h
new file mode 100644
index 0000000000..9a70b64a69
--- /dev/null
+++ b/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h
@@ -0,0 +1,110 @@
+/* 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: \
+ stwu 1,-48(1); \
+ mflr 9; \
+ stw 9,52(1); \
+ 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
+
+# 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
+# if !defined PIC
+# define SINGLE_THREAD_P \
+ lis 10,__local_multiple_threads@ha; \
+ lwz 10,__local_multiple_threads@l(10); \
+ cmpwi 10,0
+# else
+# define SINGLE_THREAD_P \
+ mflr 9; \
+ bl _GLOBAL_OFFSET_TABLE_@local-4; \
+ mflr 10; \
+ mtlr 9; \
+ lwz 10,__local_multiple_threads@got(10); \
+ lwz 10,0(10); \
+ cmpwi 10,0
+# endif
+# endif
+
+#elif !defined __ASSEMBLER__
+
+/* This code should never be used but we define it anyhow. */
+# define SINGLE_THREAD_P (1)
+
+#endif