Update.

2003-08-16  Jakub Jelinek  <jakub@redhat.com>

	* sysdeps/powerpc/powerpc32/sysdep.h (PSEUDO_ERRVAL,
	PSEUDO_RET_ERRVAL, ret_ERRVAL, PSEUDO_END_ERRVAL): Define.
	* sysdeps/powerpc/powerpc64/sysdep.h (PSEUDO_ERRVAL,
	PSEUDO_RET_ERRVAL, ret_ERRVAL, PSEUDO_END_ERRVAL): Define.
	* sysdeps/unix/alpha/sysdep.h (PSEUDO_ERRVAL,
	ret_ERRVAL, PSEUDO_END_ERRVAL): Define.
	* sysdeps/unix/mips/sysdep.h (PSEUDO_ERRVAL,
	ret_ERRVAL, PSEUDO_END_ERRVAL): Define.
	* sysdeps/unix/sparc/sysdep.h (PSEUDO_ERRVAL,
	ret_ERRVAL): Define.
	* sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h (PSEUDO_ERRVAL,
	PSEUDO_END_ERRVAL, ret_ERRVAL): Define.
	* sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h (PSEUDO_ERRVAL,
	PSEUDO_END_ERRVAL, ret_ERRVAL): Define.
	* sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h (PSEUDO_ERRVAL):
	Define.
	* sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h (PSEUDO_ERRVAL,
	PSEUDO_END_ERRVAL, ret_ERRVAL): Define.
	* sysdeps/unix/sysdep.h (PSEUDO_END_ERRVAL): Define.

	* sysdeps/unix/sysv/linux/syscalls.list (posix_fadvise64,
	posix_fadvise64_64): Remove.
	* sysdeps/unix/sysv/linux/alpha/syscalls.list (posix_fadvise64): Add
	V flag.
	* sysdeps/unix/sysv/linux/ia64/syscalls.list (posix_fadvise64):
	Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/syscalls.list
	(posix_fadvise64): Likewise.
	* sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list
	(posix_fadvise64): Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list
	(posix_fadvise64): Likewise.
	* sysdeps/unix/sysv/linux/x86_64/syscalls.list (posix_fadvise64):
	Likewise.
	* sysdeps/unix/sysv/linux/i386/posix_fadvise64_64.S: Moved to...
	* sysdeps/unix/sysv/linux/i386/posix_fadvise64.S: ...here.
	(__posix_fadvise64_l64): Fix a typo in fadvise64 syscall invocation.
	(__posix_fadvise64_l32): New function.
	* sysdeps/unix/sysv/linux/i386/Makefile: Revert last change.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/Versions (libc): Export
	posix_fadvise64@@GLIBC_2.3.3.
	* sysdeps/unix/sysv/linux/s390/s390-32/Versions (libc): Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc32/Versions (libc): Likewise.
	* sysdeps/unix/sysv/linux/posix_fadvise.c (posix_fadvise): Return
	error value.
	* sysdeps/unix/sysv/linux/posix_fadvise64.c: New file.

	* sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h
	(SYSCALL_ERROR_HANDLER): Use TLS errno/__libc_errno if USE___THREAD.

2003-08-15  Jakub Jelinek  <jakub@redhat.com>

	* sysdeps/sparc/sparc32/dl-machine.h (WEAKADDR): Remove.
	(elf_machine_matches_host): Remove weak extern stuff.
	Use GL(dl_hwcap) unconditionally and GL(dl_hwcap_mask) if SHARED.
	(elf_machine_runtime_setup, sparc_fixup_plt): Remove weak extern
	stuff.  Use GL(dl_hwcap) unconditionally.

26 files changed, 336 insertions, 45 deletions

diff --git a/ChangeLog b/ChangeLog
index ffba51e149..23d9e92884 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,63 @@
+2003-08-16  Jakub Jelinek  <jakub@redhat.com>
+
+	* sysdeps/powerpc/powerpc32/sysdep.h (PSEUDO_ERRVAL,
+	PSEUDO_RET_ERRVAL, ret_ERRVAL, PSEUDO_END_ERRVAL): Define.
+	* sysdeps/powerpc/powerpc64/sysdep.h (PSEUDO_ERRVAL,
+	PSEUDO_RET_ERRVAL, ret_ERRVAL, PSEUDO_END_ERRVAL): Define.
+	* sysdeps/unix/alpha/sysdep.h (PSEUDO_ERRVAL,
+	ret_ERRVAL, PSEUDO_END_ERRVAL): Define.
+	* sysdeps/unix/mips/sysdep.h (PSEUDO_ERRVAL,
+	ret_ERRVAL, PSEUDO_END_ERRVAL): Define.
+	* sysdeps/unix/sparc/sysdep.h (PSEUDO_ERRVAL,
+	ret_ERRVAL): Define.
+	* sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h (PSEUDO_ERRVAL,
+	PSEUDO_END_ERRVAL, ret_ERRVAL): Define.
+	* sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h (PSEUDO_ERRVAL,
+	PSEUDO_END_ERRVAL, ret_ERRVAL): Define.
+	* sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h (PSEUDO_ERRVAL):
+	Define.
+	* sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h (PSEUDO_ERRVAL,
+	PSEUDO_END_ERRVAL, ret_ERRVAL): Define.
+	* sysdeps/unix/sysdep.h (PSEUDO_END_ERRVAL): Define.
+
+	* sysdeps/unix/sysv/linux/syscalls.list (posix_fadvise64,
+	posix_fadvise64_64): Remove.
+	* sysdeps/unix/sysv/linux/alpha/syscalls.list (posix_fadvise64): Add
+	V flag.
+	* sysdeps/unix/sysv/linux/ia64/syscalls.list (posix_fadvise64):
+	Likewise.
+	* sysdeps/unix/sysv/linux/powerpc/powerpc64/syscalls.list
+	(posix_fadvise64): Likewise.
+	* sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list
+	(posix_fadvise64): Likewise.
+	* sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list
+	(posix_fadvise64): Likewise.
+	* sysdeps/unix/sysv/linux/x86_64/syscalls.list (posix_fadvise64):
+	Likewise.
+	* sysdeps/unix/sysv/linux/i386/posix_fadvise64_64.S: Moved to...
+	* sysdeps/unix/sysv/linux/i386/posix_fadvise64.S: ...here.
+	(__posix_fadvise64_l64): Fix a typo in fadvise64 syscall invocation.
+	(__posix_fadvise64_l32): New function.
+	* sysdeps/unix/sysv/linux/i386/Makefile: Revert last change.
+	* sysdeps/unix/sysv/linux/powerpc/powerpc32/Versions (libc): Export
+	posix_fadvise64@@GLIBC_2.3.3.
+	* sysdeps/unix/sysv/linux/s390/s390-32/Versions (libc): Likewise.
+	* sysdeps/unix/sysv/linux/sparc/sparc32/Versions (libc): Likewise.
+	* sysdeps/unix/sysv/linux/posix_fadvise.c (posix_fadvise): Return
+	error value.
+	* sysdeps/unix/sysv/linux/posix_fadvise64.c: New file.
+
+	* sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h
+	(SYSCALL_ERROR_HANDLER): Use TLS errno/__libc_errno if USE___THREAD.
+
+2003-08-15  Jakub Jelinek  <jakub@redhat.com>
+
+	* sysdeps/sparc/sparc32/dl-machine.h (WEAKADDR): Remove.
+	(elf_machine_matches_host): Remove weak extern stuff.
+	Use GL(dl_hwcap) unconditionally and GL(dl_hwcap_mask) if SHARED.
+	(elf_machine_runtime_setup, sparc_fixup_plt): Remove weak extern
+	stuff.  Use GL(dl_hwcap) unconditionally.
+
 2003-08-16  Alan Modra  <amodra@bigpond.net.au>
 
 	* sysdeps/powerpc/powerpc64/elf/start.S: Add a nop after
diff --git a/sysdeps/powerpc/powerpc32/sysdep.h b/sysdeps/powerpc/powerpc32/sysdep.h
index 338c69ae68..43179d14f0 100644
--- a/sysdeps/powerpc/powerpc32/sysdep.h
+++ b/sysdeps/powerpc/powerpc32/sysdep.h
@@ -144,6 +144,19 @@
 #define	PSEUDO_END_NOERRNO(name)					      \
   END (name)
 
+#define PSEUDO_ERRVAL(name, syscall_name, args)				      \
+  .section ".text";							      \
+  ENTRY (name)								      \
+    DO_CALL (SYS_ify (syscall_name));
+
+#define PSEUDO_RET_ERRVAL						      \
+    blr
+#define ret_ERRVAL PSEUDO_RET_ERRVAL
+
+#undef	PSEUDO_END_ERRVAL
+#define	PSEUDO_END_ERRVAL(name)						      \
+  END (name)
+
 /* Local labels stripped out by the linker.  */
 #undef L
 #define L(x) .L##x
diff --git a/sysdeps/powerpc/powerpc64/sysdep.h b/sysdeps/powerpc/powerpc64/sysdep.h
index 203484c896..6fbe342a2a 100644
--- a/sysdeps/powerpc/powerpc64/sysdep.h
+++ b/sysdeps/powerpc/powerpc64/sysdep.h
@@ -249,6 +249,20 @@ LT_LABELSUFFIX(name,_name_end): ; \
 #define	PSEUDO_END_NOERRNO(name) \
   END (name)
 
+#define PSEUDO_ERRVAL(name, syscall_name, args) \
+  .section ".text";	\
+  ENTRY (name) \
+  DO_CALL (SYS_ify (syscall_name));
+
+#define PSEUDO_RET_ERRVAL \
+    blr
+
+#define ret_ERRVAL PSEUDO_RET_ERRVAL
+
+#undef	PSEUDO_END_ERRVAL
+#define	PSEUDO_END_ERRVAL(name) \
+  END (name)
+
 /* Label in text section.  */
 /* ppc64 function descriptors which requires . notation */
 #define C_TEXT(name) .##name
diff --git a/sysdeps/sparc/sparc32/dl-machine.h b/sysdeps/sparc/sparc32/dl-machine.h
index 45bb0bf152..f43b4788ef 100644
--- a/sysdeps/sparc/sparc32/dl-machine.h
+++ b/sysdeps/sparc/sparc32/dl-machine.h
@@ -40,12 +40,6 @@
 #define OPCODE_SAVE_SP	0x9de3bfa8 /* save %sp, -(16+6)*4, %sp */
 #define OPCODE_BA	0x30800000 /* b,a ?; add PC-rel word address */
 
-/* Protect some broken versions of gcc from misinterpreting weak addresses.  */
-#define WEAKADDR(x)	({ __typeof(x) *_px = &x;			\
-			   __asm ("" : "=r" (_px) : "0" (_px));		\
-			   _px; })
-
-
 /* Use a different preload file when running in 32-bit emulation mode
    on a 64-bit host.  */
 #define LD_SO_PRELOAD ((GL(dl_hwcap) & HWCAP_SPARC_V9) \
@@ -61,16 +55,13 @@ elf_machine_matches_host (const Elf32_Ehdr *ehdr)
     return 1;
   else if (ehdr->e_machine == EM_SPARC32PLUS)
     {
-      unsigned long *hwcap;
-#ifndef SHARED
-      weak_extern (_dl_hwcap);
-      weak_extern (_dl_hwcap_mask);
-#endif
-
-      hwcap = WEAKADDR (GL(dl_hwcap));
       /* XXX The following is wrong!  Dave Miller rejected to implement it
 	 correctly.  If this causes problems shoot *him*!  */
-      return hwcap == NULL || (*hwcap & GL(dl_hwcap_mask) & HWCAP_SPARC_V9);
+#ifdef SHARED
+      return GL(dl_hwcap) & GL(dl_hwcap_mask) & HWCAP_SPARC_V9;
+#else
+      return GL(dl_hwcap) & HWCAP_SPARC_V9;
+#endif
     }
   else
     return 0;
@@ -170,17 +161,12 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
 	  || __builtin_expect (l->l_info [VALIDX (DT_GNU_LIBLISTSZ)] != NULL, 0))
 	{
 	  /* Need to reinitialize .plt to undo prelinking.  */
-	  unsigned long *hwcap;
 	  int do_flush;
 	  Elf32_Rela *rela = (Elf32_Rela *) D_PTR (l, l_info[DT_JMPREL]);
 	  Elf32_Rela *relaend
 	    = (Elf32_Rela *) ((char *) rela
 			      + l->l_info[DT_PLTRELSZ]->d_un.d_val);
-#ifndef SHARED
-	  weak_extern (_dl_hwcap);
-#endif
-	  hwcap = WEAKADDR (GL(dl_hwcap));
-	  do_flush = (!hwcap || (*hwcap & HWCAP_SPARC_FLUSH));
+	  do_flush = GL(dl_hwcap) & HWCAP_SPARC_FLUSH;
 
 	  /* prelink must ensure there are no R_SPARC_NONE relocs left
 	     in .rela.plt.  */
@@ -367,13 +353,7 @@ sparc_fixup_plt (const Elf32_Rela *reloc, Elf32_Addr *reloc_addr,
 #ifndef RTLD_BOOTSTRAP
   /* Note that we don't mask the hwcap here, as the flush is essential to
      functionality on those cpu's that implement it.  */
-  unsigned long *hwcap;
-  int do_flush;
-# ifndef SHARED
-  weak_extern (_dl_hwcap);
-# endif
-  hwcap = WEAKADDR (GL(dl_hwcap));
-  do_flush = (!hwcap || (*hwcap & HWCAP_SPARC_FLUSH));
+  int do_flush = GL(dl_hwcap) & HWCAP_SPARC_FLUSH;
 #else
   /* Unfortunately, this is necessary, so that we can ensure
      ld.so will not execute corrupt PLT entry instructions. */
diff --git a/sysdeps/unix/alpha/sysdep.h b/sysdeps/unix/alpha/sysdep.h
index b9bc1c0a2a..f12edef7a7 100644
--- a/sysdeps/unix/alpha/sysdep.h
+++ b/sysdeps/unix/alpha/sysdep.h
@@ -134,6 +134,21 @@ __LABEL(name)						\
 
 #define ret_NOERRNO ret
 
+#define PSEUDO_ERRVAL(name, syscall_name, args)	\
+	.globl name;					\
+	.align 4;					\
+	.ent name,0;					\
+__LABEL(name)						\
+	PSEUDO_PROLOGUE;				\
+	PSEUDO_PREPARE_ARGS				\
+	lda	v0, SYS_ify(syscall_name);		\
+	call_pal PAL_callsys;
+
+#undef PSEUDO_END_ERRVAL
+#define PSEUDO_END_ERRVAL(sym)  END(sym)
+
+#define ret_ERRVAL ret
+
 #define r0	v0
 #define r1	a4
 
diff --git a/sysdeps/unix/mips/sysdep.h b/sysdeps/unix/mips/sysdep.h
index 13a3752dc8..dd2795edc4 100644
--- a/sysdeps/unix/mips/sysdep.h
+++ b/sysdeps/unix/mips/sysdep.h
@@ -51,6 +51,18 @@
 
 #define ret_NOERRNO ret
 
+#define PSEUDO_ERRVAL(name, syscall_name, args)	\
+  .align 2;						\
+  ENTRY(name)						\
+  .set noreorder;					\
+  li v0, SYS_ify(syscall_name);				\
+  syscall
+
+#undef PSEUDO_END_ERRVAL
+#define PSEUDO_END_ERRVAL(sym) .end sym; .size sym,.-sym
+
+#define ret_ERRVAL ret
+
 #define r0	v0
 #define r1	v1
 /* The mips move insn is d,s.  */
diff --git a/sysdeps/unix/sparc/sysdep.h b/sysdeps/unix/sparc/sysdep.h
index 3f6a92a904..24225d9622 100644
--- a/sysdeps/unix/sparc/sysdep.h
+++ b/sysdeps/unix/sparc/sysdep.h
@@ -58,8 +58,15 @@
   mov SYS_ify(syscall_name), %g1;		\
   ta 0
 
+#define	PSEUDO_ERRVAL(name, syscall_name, args) \
+  .global syscall_error;			\
+  ENTRY (name)					\
+  mov SYS_ify(syscall_name), %g1;		\
+  ta 0
+
 #define	ret		retl; nop
 #define	ret_NOERRNO	retl; nop
+#define	ret_ERRVAL	retl; nop
 #define	r0		%o0
 #define	r1		%o1
 #define	MOVE(x,y)	mov x, y
diff --git a/sysdeps/unix/sysdep.h b/sysdeps/unix/sysdep.h
index 4619335d0a..11e5317dff 100644
--- a/sysdeps/unix/sysdep.h
+++ b/sysdeps/unix/sysdep.h
@@ -50,6 +50,9 @@
 #ifndef PSEUDO_END_NOERRNO
 #define PSEUDO_END_NOERRNO(sym)	PSEUDO_END(sym)
 #endif
+#ifndef PSEUDO_END_ERRVAL
+#define PSEUDO_END_ERRVAL(sym)	PSEUDO_END(sym)
+#endif
 
 /* Wrappers around system calls should normally inline the system call code.
    But sometimes it is not possible or implemented and we use this code.  */
diff --git a/sysdeps/unix/sysv/linux/alpha/syscalls.list b/sysdeps/unix/sysv/linux/alpha/syscalls.list
index 60235d012f..d30a9b6b55 100644
--- a/sysdeps/unix/sysv/linux/alpha/syscalls.list
+++ b/sysdeps/unix/sysv/linux/alpha/syscalls.list
@@ -21,7 +21,7 @@ getpriority	-	getpriority	i:ii	__getpriority	getpriority
 mmap		-	mmap		b:aniiii __mmap		mmap __mmap64 mmap64
 llseek		EXTRA	lseek		C:3	__libc_lseek	__lseek lseek __libc_lseek64 __llseek llseek __lseek64 lseek64
 lseek		llseek	-
-posix_fadvise64	-	fadvise64	4	posix_fadvise64	posix_fadvise
+posix_fadvise64	-	fadvise64	Vi:iiii	posix_fadvise64	posix_fadvise
 pread		-	pread64		C:4	__libc_pread	__libc_pread64 __pread pread __pread64 pread64
 pwrite		-	pwrite64		C:4	__libc_pwrite	__libc_pwrite64 __pwrite pwrite __pwrite64 pwrite64
 fstatfs		-	fstatfs		i:ip	__fstatfs	fstatfs __fstatfs64 fstatfs64
diff --git a/sysdeps/unix/sysv/linux/i386/Makefile b/sysdeps/unix/sysv/linux/i386/Makefile
index 6aa5ce30ad..1ae69407ff 100644
--- a/sysdeps/unix/sysv/linux/i386/Makefile
+++ b/sysdeps/unix/sysv/linux/i386/Makefile
@@ -12,7 +12,3 @@ endif
 ifeq ($(subdir),resource)
 sysdep_routines += oldgetrlimit64
 endif
-
-ifeq ($(subdir),io)
-sysdep_routines += posix_fadvise64_64
-endif
diff --git a/sysdeps/unix/sysv/linux/i386/posix_fadvise64_64.S b/sysdeps/unix/sysv/linux/i386/posix_fadvise64.S
index c1ee9b99dd..8d7219f12b 100644
--- a/sysdeps/unix/sysv/linux/i386/posix_fadvise64_64.S
+++ b/sysdeps/unix/sysv/linux/i386/posix_fadvise64.S
@@ -93,7 +93,7 @@ ENTRY (BP_SYM (__posix_fadvise64_l64))
 	movl	LENLO(%esp), %esi
 	movl	FLAGS(%esp), %edi
 
-	movl	$SYS_ify(fadvise64_64), %eax
+	movl	$SYS_ify(fadvise64), %eax
 	ENTER_KERNEL
 
 	/* Restore registers.  */
@@ -115,6 +115,18 @@ L(overflow):
 	ret
 #endif
 
-PSEUDO_END_NOERRNO (BP_SYM (__posix_fadvise64_l64))
+END (BP_SYM (__posix_fadvise64_l64))
+
+#ifdef __NR_fadvise64
+PSEUDO_ERRVAL (__posix_fadvise64_l32, posix_fadvise64, 5)
+	ret
+PSEUDO_END_ERRVAL (__posix_fadvise64_l32)
+#else
+ENTRY (BP_SYM (__posix_fadvise64_l32))
+	movl	$ENOSYS, %eax
+	ret
+END (BP_SYM (__posix_fadvise64_l32))
+#endif
 
 default_symbol_version (__posix_fadvise64_l64, posix_fadvise64, GLIBC_2.3.3)
+symbol_version (__posix_fadvise64_l32, posix_fadvise64, GLIBC_2.2)
diff --git a/sysdeps/unix/sysv/linux/ia64/syscalls.list b/sysdeps/unix/sysv/linux/ia64/syscalls.list
index c2027b670f..5d83df7a6e 100644
--- a/sysdeps/unix/sysv/linux/ia64/syscalls.list
+++ b/sysdeps/unix/sysv/linux/ia64/syscalls.list
@@ -5,7 +5,7 @@ umount2		-	umount		2	__umount2	umount2
 # Whee! 64-bit systems naturally implement llseek.
 llseek		EXTRA	lseek		C:3	__libc_lseek	__lseek lseek __libc_lseek64 __llseek llseek __lseek64 lseek64
 lseek		llseek	-
-posix_fadvise64	-	fadvise64	4	posix_fadvise64	posix_fadvise
+posix_fadvise64	-	fadvise64	Vi:iiii	posix_fadvise64	posix_fadvise
 pread		-	pread		C:4	__libc_pread	__libc_pread64 __pread pread __pread64 pread64
 pwrite		-	pwrite		C:4	__libc_pwrite	__libc_pwrite64 __pwrite pwrite __pwrite64 pwrite64
 fstatfs		-	fstatfs		i:ip	__fstatfs	fstatfs fstatfs64 __fstatfs64
diff --git a/sysdeps/unix/sysv/linux/posix_fadvise.c b/sysdeps/unix/sysv/linux/posix_fadvise.c
index 808fc865ed..30a6d9e5be 100644
--- a/sysdeps/unix/sysv/linux/posix_fadvise.c
+++ b/sysdeps/unix/sysv/linux/posix_fadvise.c
@@ -27,10 +27,14 @@ int
 posix_fadvise (int fd, off_t offset, off_t len, int advise)
 {
 #ifdef __NR_fadvise64
-  return INLINE_SYSCALL (fadvise64, 5, fd,
-			 __LONG_LONG_PAIR (offset >> 31, offset), len, advise);
+  INTERNAL_SYSCALL_DECL (err);
+  int ret = INTERNAL_SYSCALL (fadvise64, err, 5, fd,
+			      __LONG_LONG_PAIR (offset >> 31, offset), len,
+			      advise);
+  if (INTERNAL_SYSCALL_ERROR_P (ret, err))
+    return INTERNAL_SYSCALL_ERRNO (ret, err);
+  return 0;
 #else
-  __set_errno (ENOSYS);
-  return -1;
+  return ENOSYS;
 #endif
 }
diff --git a/sysdeps/unix/sysv/linux/posix_fadvise64.c b/sysdeps/unix/sysv/linux/posix_fadvise64.c
new file mode 100644
index 0000000000..89dfd8cdc3
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/posix_fadvise64.c
@@ -0,0 +1,78 @@
+/* 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 <errno.h>
+#include <fcntl.h>
+#include <sysdep.h>
+#include <kernel-features.h>
+
+int __posix_fadvise64_l64 (int fd, off64_t offset, off64_t len, int advise);
+int __posix_fadvise64_l32 (int fd, off64_t offset, size_t len, int advise);
+
+/* Advice the system about the expected behaviour of the application with
+   respect to the file associated with FD.  */
+