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authorMike Frysinger <vapier@gentoo.org>2006-01-31 05:05:15 +0000
committerMike Frysinger <vapier@gentoo.org>2006-01-31 05:05:15 +0000
commitcccc549ced940c85039c8ce263c8bb571f244afd (patch)
treeef77a870db7211ad6f511867fc56ee1a1a8b4c18 /libpthread/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32
parente73b1211737842732951f9b9049294ef732e1ef0 (diff)
initial import of latest linuxthreads
Diffstat (limited to 'libpthread/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32')
-rw-r--r--libpthread/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/CVS/Entries3
-rw-r--r--libpthread/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/CVS/Repository1
-rw-r--r--libpthread/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/CVS/Root1
-rw-r--r--libpthread/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h159
-rw-r--r--libpthread/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S86
5 files changed, 250 insertions, 0 deletions
diff --git a/libpthread/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/CVS/Entries b/libpthread/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/CVS/Entries
new file mode 100644
index 000000000..961a8795f
--- /dev/null
+++ b/libpthread/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/CVS/Entries
@@ -0,0 +1,3 @@
+/sysdep-cancel.h/1.11/Tue Nov 15 14:20:47 2005//
+/vfork.S/1.7/Tue Nov 15 14:20:47 2005//
+D
diff --git a/libpthread/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/CVS/Repository b/libpthread/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/CVS/Repository
new file mode 100644
index 000000000..41baf84b8
--- /dev/null
+++ b/libpthread/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/CVS/Repository
@@ -0,0 +1 @@
+ports/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32
diff --git a/libpthread/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/CVS/Root b/libpthread/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/CVS/Root
new file mode 100644
index 000000000..ca45c5d4d
--- /dev/null
+++ b/libpthread/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/CVS/Root
@@ -0,0 +1 @@
+:pserver:anoncvs@sources.redhat.com:/cvs/glibc
diff --git a/libpthread/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h b/libpthread/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h
new file mode 100644
index 000000000..865da8e8c
--- /dev/null
+++ b/libpthread/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h
@@ -0,0 +1,159 @@
+/* Copyright (C) 2003, 2005 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>
+#include <tls.h>
+#ifndef __ASSEMBLER__
+# include <linuxthreads/internals.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; \
+ DO_CALL (SYS_ify (syscall_name)); \
+ PSEUDO_RET; \
+ .Lpseudo_cancel: \
+ stwu 1,-48(1); \
+ mflr 9; \
+ stw 9,52(1); \
+ CGOTSETUP; \
+ 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); \
+ CGOTRESTORE; \
+ 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
+
+# define CGOTSETUP
+# define CGOTRESTORE
+
+# 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
+# else
+# define CENABLE bl JUMPTARGET(__librt_enable_asynccancel)
+# define CDISABLE bl JUMPTARGET(__librt_disable_asynccancel)
+# if defined HAVE_AS_REL16 && defined PIC
+# undef CGOTSETUP
+# define CGOTSETUP \
+ bcl 20,31,1f; \
+ 1: stw 30,44(1); \
+ mflr 30; \
+ addis 30,30,_GLOBAL_OFFSET_TABLE-1b@ha; \
+ addi 30,30,_GLOBAL_OFFSET_TABLE-1b@l
+# undef CGOTRESTORE
+# define CGOTRESTORE \
+ lwz 30,44(1)
+# endif
+# endif
+
+# ifdef HAVE_TLS_SUPPORT
+# ifndef __ASSEMBLER__
+# define SINGLE_THREAD_P \
+ __builtin_expect (THREAD_GETMEM (THREAD_SELF, p_multiple_threads) == 0, 1)
+# else
+# define SINGLE_THREAD_P \
+ lwz 10,MULTIPLE_THREADS_OFFSET(2); \
+ cmpwi 10,0
+# endif
+# else
+# if !defined NOT_IN_libc
+# define __local_multiple_threads __libc_multiple_threads
+# else
+# define __local_multiple_threads __librt_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
+# ifdef HAVE_ASM_PPC_REL16
+# define SINGLE_THREAD_P \
+ mflr 9; \
+ bcl 20,31,1f; \
+1:mflr 10; \
+ addis 10,10,__local_multiple_threads-1b@ha; \
+ lwz 10,__local_multiple_threads-1b@l(10); \
+ mtlr 9; \
+ 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
+# endif
+# endif
+
+#elif !defined __ASSEMBLER__
+
+/* This code should never be used but we define it anyhow. */
+# define SINGLE_THREAD_P (1)
+
+#endif
diff --git a/libpthread/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S b/libpthread/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S
new file mode 100644
index 000000000..724d4cc54
--- /dev/null
+++ b/libpthread/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S
@@ -0,0 +1,86 @@
+/* Copyright (C) 2003 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ 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-cancel.h>
+#define _ERRNO_H 1
+#include <bits/errno.h>
+#include <kernel-features.h>
+
+/* Clone the calling process, but without copying the whole address space.
+ The calling process is suspended until the new process exits or is
+ replaced by a call to `execve'. Return -1 for errors, 0 to the new process,
+ and the process ID of the new process to the old process. */
+
+ENTRY (__vfork)
+
+#ifdef __NR_vfork
+# ifdef SHARED
+ mflr 9
+# ifdef HAVE_ASM_PPC_REL16
+ bcl 20,31,1f
+1: mflr 10
+ addis 10,10,__libc_pthread_functions-1b@ha
+ lwz 10,__libc_pthread_functions-1b@l(10)
+ mtlr 9
+# else
+ bl _GLOBAL_OFFSET_TABLE_@local-4
+ mflr 10
+ mtlr 9
+ lwz 10,__libc_pthread_functions@got(10)
+ lwz 10,0(10)
+# endif
+# else
+ .weak pthread_create
+ lis 10,pthread_create@ha
+ la 10,pthread_create@l(10)
+# endif
+
+ cmpwi 10,0
+ bne- .Lhidden_fork
+
+ DO_CALL (SYS_ify (vfork));
+
+# ifdef __ASSUME_VFORK_SYSCALL
+ PSEUDO_RET
+# else
+ bnslr+
+ /* Check if vfork syscall is known at all. */
+ cmpwi r3,ENOSYS
+ bne- .Lsyscall_error
+
+# endif
+
+.Lhidden_fork:
+ b HIDDEN_JUMPTARGET(__fork)
+
+#endif
+
+#ifndef __ASSUME_VFORK_SYSCALL
+ /* If we don't have vfork, fork is close enough. */
+
+ DO_CALL (SYS_ify (fork));
+ bnslr+
+
+.Lsyscall_error:
+ b __syscall_error@local
+#endif
+
+PSEUDO_END (__vfork)
+libc_hidden_def (__vfork)
+
+weak_alias (__vfork, vfork)