Merge changes between r2243 and r2277 from /fsf/trunk.

git-svn-id: svn://svn.eglibc.org/trunk@2278 7b3dc134-2b1b-0410-93df-9e9f96275f8d

9 files changed, 231 insertions, 15 deletions

diff --git a/ports/sysdeps/unix/sysv/linux/hppa/nptl/bits/semaphore.h b/ports/sysdeps/unix/sysv/linux/hppa/nptl/bits/semaphore.h
index 3d274eea2..270f3332c 100644
--- a/ports/sysdeps/unix/sysv/linux/hppa/nptl/bits/semaphore.h
+++ b/ports/sysdeps/unix/sysv/linux/hppa/nptl/bits/semaphore.h
@@ -20,17 +20,11 @@
 # error "Never use <bits/semaphore.h> directly; include <semaphore.h> instead."
 #endif
 
-
 #define __SIZEOF_SEM_T	16
 
-
 /* Value returned if `sem_open' failed.  */
 #define SEM_FAILED      ((sem_t *) 0)
 
-/* Maximum value the semaphore can have.  */
-#define SEM_VALUE_MAX   ((int) ((~0u) >> 1))
-
-
 typedef union
 {
   char __size[__SIZEOF_SEM_T];
diff --git a/ports/sysdeps/unix/sysv/linux/hppa/sysdep.c b/ports/sysdeps/unix/sysv/linux/hppa/sysdep.c
index 8637c513d..4a0bd2183 100644
--- a/ports/sysdeps/unix/sysv/linux/hppa/sysdep.c
+++ b/ports/sysdeps/unix/sysv/linux/hppa/sysdep.c
@@ -1,4 +1,5 @@
-/* Copyright (C) 1997, 1998, 2001, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998, 2001, 2003, 2007 
+   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
@@ -58,13 +59,14 @@ syscall (long int __sysno, ...)
   
   {
     register unsigned long int __res asm("r28");
+    PIC_REG_DEF
     LOAD_ARGS_6 (arg0, arg1, arg2, arg3, arg4, arg5)
     asm volatile (SAVE_ASM_PIC
 		  "	ble  0x100(%%sr2, %%r0)	\n"
 		  "	copy %1, %%r20		\n"
 		  LOAD_ASM_PIC
 		  : "=r" (__res)
-		  : "r" (__sysno) ASM_ARGS_6
+		  : "r" (__sysno) PIC_REG_USE ASM_ARGS_6
 		  : "memory", CALL_CLOB_REGS CLOB_ARGS_6);
     __sys_res = __res;
   }
diff --git a/ports/sysdeps/unix/sysv/linux/hppa/sysdep.h b/ports/sysdeps/unix/sysv/linux/hppa/sysdep.h
index 69ed7002c..96632a1c4 100644
--- a/ports/sysdeps/unix/sysv/linux/hppa/sysdep.h
+++ b/ports/sysdeps/unix/sysv/linux/hppa/sysdep.h
@@ -1,5 +1,6 @@
 /* Assembler macros for PA-RISC.
-   Copyright (C) 1999, 2001, 2002, 2003 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2001, 2002, 2003, 2007 
+   Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper, <drepper@cygnus.com>, August 1999.
    Linux/PA-RISC changes by Philipp Rumpf, <prumpf@tux.org>, March 2000.
@@ -40,7 +41,9 @@
 # define TREG_ASM "%r4" /* Cant clobber r3, it holds framemarker */
 # define SAVE_ASM_PIC	"       copy %%r19, %" TREG_ASM "\n"
 # define LOAD_ASM_PIC	"       copy %" TREG_ASM ", %%r19\n"
-# define USING_TREG	TREG_ASM,
+# define CLOB_TREG	TREG_ASM ,
+# define PIC_REG_DEF	register unsigned long __r19 asm("r19");
+# define PIC_REG_USE	, "r" (__r19)
 #else
 # define TREG %r3
 # define SAVE_PIC(SREG) nop ASM_LINE_SEP
@@ -49,7 +52,9 @@
 # define TREG_ASM 
 # define SAVE_ASM_PIC	"nop \n"
 # define LOAD_ASM_PIC	"nop \n"
-# define USING_TREG
+# define CLOB_TREG
+# define PIC_REG_DEF
+# define PIC_REG_USE
 #endif
 
 #ifdef __ASSEMBLER__
@@ -344,7 +349,7 @@ L(pre_end):					ASM_LINE_SEP	\
    TREG is clobbered and use that register to save/restore r19
    across the syscall. */
 
-#define CALL_CLOB_REGS	"%r1", "%r2", USING_TREG \
+#define CALL_CLOB_REGS	"%r1", "%r2", CLOB_TREG \
 		 	"%r20", "%r29", "%r31"
 
 #undef INLINE_SYSCALL
@@ -353,6 +358,7 @@ L(pre_end):					ASM_LINE_SEP	\
 	long __sys_res;							\
 	{								\
 		register unsigned long __res asm("r28");		\
+		PIC_REG_DEF						\
 		LOAD_ARGS_##nr(args)					\
 		/* FIXME: HACK save/load r19 around syscall */		\
 		asm volatile(						\
@@ -361,7 +367,7 @@ L(pre_end):					ASM_LINE_SEP	\
 			"	ldi %1, %%r20\n"			\
 			LOAD_ASM_PIC					\
 			: "=r" (__res)					\
-			: "i" (SYS_ify(name)) ASM_ARGS_##nr		\
+			: "i" (SYS_ify(name)) PIC_REG_USE ASM_ARGS_##nr	\
 			: "memory", CALL_CLOB_REGS CLOB_ARGS_##nr	\
 		);							\
 		__sys_res = (long)__res;				\
@@ -398,6 +404,7 @@ L(pre_end):					ASM_LINE_SEP	\
 	long __sys_res;							\
 	{								\
 		register unsigned long __res asm("r28");		\
+		PIC_REG_DEF						\
 		LOAD_ARGS_##nr(args)					\
 		/* FIXME: HACK save/load r19 around syscall */		\
 		asm volatile(						\
@@ -406,7 +413,7 @@ L(pre_end):					ASM_LINE_SEP	\
 			"	ldi %1, %%r20\n"			\
 			LOAD_ASM_PIC					\
 			: "=r" (__res)					\
-			: "i" (SYS_ify(name)) ASM_ARGS_##nr		\
+			: "i" (SYS_ify(name)) PIC_REG_USE ASM_ARGS_##nr	\
 			: "memory", CALL_CLOB_REGS CLOB_ARGS_##nr	\
 		);							\
 		__sys_res = (long)__res;				\
@@ -422,6 +429,7 @@ L(pre_end):					ASM_LINE_SEP	\
 	long __sys_res;							\
 	{								\
 		register unsigned long __res asm("r28");		\
+		PIC_REG_DEF						\
 		LOAD_ARGS_##nr(args)					\
 		/* FIXME: HACK save/load r19 around syscall */		\
 		asm volatile(						\
@@ -430,7 +438,7 @@ L(pre_end):					ASM_LINE_SEP	\
 			"	copy %1, %%r20\n"			\
 			LOAD_ASM_PIC					\
 			: "=r" (__res)					\
-			: "r" (name) ASM_ARGS_##nr			\
+			: "r" (name) PIC_REG_USE ASM_ARGS_##nr		\
 			: "memory", CALL_CLOB_REGS CLOB_ARGS_##nr	\
 		);							\
 		__sys_res = (long)__res;				\
diff --git a/ports/sysdeps/unix/sysv/linux/mips/mips32/posix_fadvise.c b/ports/sysdeps/unix/sysv/linux/mips/mips32/posix_fadvise.c
new file mode 100644
index 000000000..04c952d2f
--- /dev/null
+++ b/ports/sysdeps/unix/sysv/linux/mips/mips32/posix_fadvise.c
@@ -0,0 +1,42 @@
+/* Copyright (C) 2007 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 <errno.h>
+#include <fcntl.h>
+#include <sysdep.h>
+
+/* Advice the system about the expected behaviour of the application with
+   respect to the file associated with FD.  */
+
+int
+posix_fadvise (int fd, off_t offset, off_t len, int advise)
+{
+/* MIPS kernel only has NR_fadvise64 which acts as NR_fadvise64_64 */
+#ifdef __NR_fadvise64
+  INTERNAL_SYSCALL_DECL (err);
+  int ret = INTERNAL_SYSCALL (fadvise64, err, 7, fd, 0,
+			      __LONG_LONG_PAIR (offset >> 31, offset),
+			      __LONG_LONG_PAIR (len >> 31, len),
+			      advise);
+  if (INTERNAL_SYSCALL_ERROR_P (ret, err))
+    return INTERNAL_SYSCALL_ERRNO (ret, err);
+  return 0;
+#else
+  return ENOSYS;
+#endif
+}
diff --git a/ports/sysdeps/unix/sysv/linux/mips/mips32/posix_fadvise64.c b/ports/sysdeps/unix/sysv/linux/mips/mips32/posix_fadvise64.c
new file mode 100644
index 000000000..715d37e45
--- /dev/null
+++ b/ports/sysdeps/unix/sysv/linux/mips/mips32/posix_fadvise64.c
@@ -0,0 +1,61 @@
+/* Copyright (C) 2007 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 <errno.h>
+#include <fcntl.h>
+#include <sysdep.h>
+
+/* Advice the system about the expected behaviour of the application with
+   respect to the file associated with FD.  */
+
+int
+__posix_fadvise64_l64 (int fd, off64_t offset, off64_t len, int advise)
+{
+/* MIPS kernel only has NR_fadvise64 which acts as NR_fadvise64_64 */
+#ifdef __NR_fadvise64
+  INTERNAL_SYSCALL_DECL (err);
+  int ret = INTERNAL_SYSCALL (fadvise64, err, 7, fd, 0,
+			      __LONG_LONG_PAIR ((long) (offset >> 32),
+						(long) offset),
+			      __LONG_LONG_PAIR ((long) (len >> 32),
+						(long) len),
+			      advise);
+  if (INTERNAL_SYSCALL_ERROR_P (ret, err))
+    return INTERNAL_SYSCALL_ERRNO (ret, err);
+  return 0;
+#else
+  return ENOSYS;
+#endif
+}
+
+#include <shlib-compat.h>
+
+#if SHLIB_COMPAT(libc, GLIBC_2_2, GLIBC_2_3_3)
+
+int
+attribute_compat_text_section
+__posix_fadvise64_l32 (int fd, off64_t offset, size_t len, int advise)
+{
+  return __posix_fadvise64_l64 (fd, offset, len, advise);
+}
+
+versioned_symbol (libc, __posix_fadvise64_l64, posix_fadvise64, GLIBC_2_3_3);
+compat_symbol (libc, __posix_fadvise64_l32, posix_fadvise64, GLIBC_2_2);
+#else
+strong_alias (__posix_fadvise64_l64, posix_fadvise64);
+#endif
diff --git a/ports/sysdeps/unix/sysv/linux/mips/mips32/readahead.c b/ports/sysdeps/unix/sysv/linux/mips/mips32/readahead.c
new file mode 100644
index 000000000..b5b967ce9
--- /dev/null
+++ b/ports/sysdeps/unix/sysv/linux/mips/mips32/readahead.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/arm/eabi/readahead.c>
diff --git a/ports/sysdeps/unix/sysv/linux/mips/mips32/sync_file_range.c b/ports/sysdeps/unix/sysv/linux/mips/mips32/sync_file_range.c
new file mode 100644
index 000000000..13a21b0da
--- /dev/null
+++ b/ports/sysdeps/unix/sysv/linux/mips/mips32/sync_file_range.c
@@ -0,0 +1,47 @@
+/* Selective file content synch'ing.
+   Copyright (C) 2006, 2007 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 <errno.h>
+#include <fcntl.h>
+#include <sys/types.h>
+
+#include <sysdep.h>
+#include <sys/syscall.h>
+
+
+#ifdef __NR_sync_file_range
+int
+sync_file_range (int fd, __off64_t from, __off64_t to, unsigned int flags)
+{
+  return INLINE_SYSCALL (sync_file_range, 7, fd, 0,
+			 __LONG_LONG_PAIR ((long) (from >> 32), (long) from),
+			 __LONG_LONG_PAIR ((long) (to >> 32), (long) to),
+			 flags);
+}
+#else
+int
+sync_file_range (int fd, __off64_t from, __off64_t to, unsigned int flags)
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+stub_warning (sync_file_range)
+
+# include <stub-tag.h>
+#endif
diff --git a/ports/sysdeps/unix/sysv/linux/mips/mips64/n32/posix_fadvise64.c b/ports/sysdeps/unix/sysv/linux/mips/mips64/n32/posix_fadvise64.c
new file mode 100644
index 000000000..40bafdbac
--- /dev/null
+++ b/ports/sysdeps/unix/sysv/linux/mips/mips64/n32/posix_fadvise64.c
@@ -0,0 +1,56 @@
+/* Copyright (C) 2007 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 <errno.h>
+#include <fcntl.h>
+#include <sysdep.h>
+
+/* Advice the system about the expected behaviour of the application with
+   respect to the file associated with FD.  */
+
+int
+__posix_fadvise64_l64 (int fd, off64_t offset, off64_t len, int advise)
+{
+/* MIPS kernel only has NR_fadvise64 which acts as NR_fadvise64_64 */
+#ifdef __NR_fadvise64
+  INTERNAL_SYSCALL_DECL (err);
+  int ret = INTERNAL_SYSCALL (fadvise64, err, 4, fd, offset, len, advise);
+  if (INTERNAL_SYSCALL_ERROR_P (ret, err))
+    return INTERNAL_SYSCALL_ERRNO (ret, err);
+  return 0;
+#else
+  return ENOSYS;
+#endif
+}
+
+#include <shlib-compat.h>
+
+#if SHLIB_COMPAT(libc, GLIBC_2_2, GLIBC_2_3_3)
+
+int
+attribute_compat_text_section
+__posix_fadvise64_l32 (int fd, off64_t offset, size_t len, int advise)
+{
+  return __posix_fadvise64_l64 (fd, offset, len, advise);
+}
+
+versioned_symbol (libc, __posix_fadvise64_l64, posix_fadvise64, GLIBC_2_3_3);
+compat_symbol (libc, __posix_fadvise64_l32, posix_fadvise64, GLIBC_2_2);
+#else
+strong_alias (__posix_fadvise64_l64, posix_fadvise64);
+#endif
diff --git a/ports/sysdeps/unix/sysv/linux/mips/mips64/n32/syscalls.list b/ports/sysdeps/unix/sysv/linux/mips/mips64/n32/syscalls.list
new file mode 100644
index 000000000..babdba0ca
--- /dev/null
+++ b/ports/sysdeps/unix/sysv/linux/mips/mips64/n32/syscalls.list
@@ -0,0 +1,5 @@
+# File name	Caller	Syscall name	# args	Strong name	Weak names
+
+readahead	-	readahead	i:iii	__readahead	readahead
+sync_file_range	-	sync_file_range	i:iiii	sync_file_range
+posix_fadvise	-	fadvise64	i:iiii	posix_fadvise