Merge changes between r20213 and r20391 from /fsf/trunk.

git-svn-id: svn://svn.eglibc.org/trunk@20392 7b3dc134-2b1b-0410-93df-9e9f96275f8d

4 files changed, 8 insertions, 72 deletions

diff --git a/libc/sysdeps/unix/sysv/linux/s390/s390-32/getrlimit.c b/libc/sysdeps/unix/sysv/linux/s390/s390-32/getrlimit.c
deleted file mode 100644
index fc06dbd64..000000000
--- a/libc/sysdeps/unix/sysv/linux/s390/s390-32/getrlimit.c
+++ /dev/null
@@ -1 +0,0 @@
-#include <sysdeps/unix/sysv/linux/i386/getrlimit.c>
diff --git a/libc/sysdeps/unix/sysv/linux/s390/s390-32/mmap.S b/libc/sysdeps/unix/sysv/linux/s390/s390-32/mmap.S
index 6e5ba94c1..0357ab461 100644
--- a/libc/sysdeps/unix/sysv/linux/s390/s390-32/mmap.S
+++ b/libc/sysdeps/unix/sysv/linux/s390/s390-32/mmap.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000, 2001, 2007 Free Software Foundation, Inc.
+/* Copyright (C) 2000-2012 Free Software Foundation, Inc.
    Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
    This file is part of the GNU C Library.
 
@@ -40,8 +40,8 @@ ENTRY(__mmap)
 	cfi_adjust_cfa_offset (120)
 	st      %r1,0(%r15)             /* store back chain */
 
-	/* Store parameters on stack, because old_mmap/mmap2
-	 * take only one parameter: a pointer to the parameter area
+	/* Store parameters on stack, because mmap2
+	 * takes only one parameter: a pointer to the parameter area
 	 */
 	st      %r6,0x70(%r15)          /* Store 'fd'.      */
 	st      %r5,0x6C(%r15)          /* Store 'flags'.   */
@@ -50,10 +50,6 @@ ENTRY(__mmap)
 	st      %r2,0x60(%r15)          /* Store 'start'.   */
 	l       %r1,216(%r15)           /* Load offset.     */
 
-#ifdef __ASSUME_MMAP2_SYSCALL
-	/* I don't think it is worthwhile trying to use mmap2 whenever 
-	 * it is available.  Only use it when we are sure the syscall
-	 * exists.  */
 	tml     %r1,0x0fff              /* Offset page aligned ?  */
 	lhi     %r2,-EINVAL
 	jnz     1f                      /* No -> EINVAL.  */
@@ -61,11 +57,6 @@ ENTRY(__mmap)
 	st      %r1,0x74(%r15)          /* Store page offset.  */
 	la      %r2,0x60(%r15)          /* Load address of parameter list.  */
 	svc     SYS_ify(mmap2)          /* Do the system call trap.  */
-#else	
-	st      %r1,0x74(%r15)          /* Store offset unmodified.  */
-	la      %r2,0x60(%r15)          /* Load address of parameter list.  */
-	svc     SYS_ify(mmap)           /* Do the system call trap.  */
-#endif
 
 1:	l       %r15,0(%r15)            /* Load back chain.  */
 	cfi_adjust_cfa_offset (-120)
diff --git a/libc/sysdeps/unix/sysv/linux/s390/s390-32/mmap64.S b/libc/sysdeps/unix/sysv/linux/s390/s390-32/mmap64.S
index ad6d254db..8b4bd4556 100644
--- a/libc/sysdeps/unix/sysv/linux/s390/s390-32/mmap64.S
+++ b/libc/sysdeps/unix/sysv/linux/s390/s390-32/mmap64.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000, 2001, 2007 Free Software Foundation, Inc.
+/* Copyright (C) 2000-2012 Free Software Foundation, Inc.
    Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
    This file is part of the GNU C Library.
 
@@ -41,15 +41,14 @@ ENTRY(__mmap64)
 	cfi_adjust_cfa_offset (120)
 	st	%r1,0(%r15)		/* Store back chain.  */
 
-	/* Store parameters on stack, because mmap2 and old_mmap
-	 * take only one parameter: a pointer to the parameter area.  */
+	/* Store parameters on stack, because mmap2
+	 * takes only one parameter: a pointer to the parameter area.  */
 	st	%r6,0x70(%r15)		/* Store 'fd'.	    */
 	st	%r5,0x6C(%r15)		/* Store 'flags'.   */
 	st	%r4,0x68(%r15)		/* Store 'prot'.    */
 	st	%r3,0x64(%r15)		/* Store 'length'.  */
 	st	%r2,0x60(%r15)		/* Store 'start'.   */
 
-#ifdef __NR_mmap2
 	lm	%r0,%r1,216(%r15)	/* Load 64 bit offset.	*/
 	tml	%r1,0x0fff		/* Offset page aligned ?  */
 	jnz	2f			/* No -> EINVAL.  */
@@ -61,11 +60,6 @@ ENTRY(__mmap64)
 	la	%r2,0x60(%r15)		/* Load address of parameter list.  */
 	svc	SYS_ify(mmap2)		/* Do the system call trap.  */
 
-#ifndef __ASSUME_MMAP2_SYSCALL
-	chi	%r2,-ENOSYS
-	je	1f
-#endif
-
 	l	%r15,0(%r15)		/* Load back chain.  */
 	cfi_adjust_cfa_offset (-120)
 	lm	%r6,%r15,24(%r15)	/* Load registers.  */
@@ -78,31 +72,6 @@ ENTRY(__mmap64)
 	/* Successful; return the syscall's value.  */
 	br	%r14
 
-#endif
-
-#if !defined __ASSUME_MMAP2_SYSCALL || !defined __NR_mmap2
-1:	lm	%r0,%r1,216(%r15)	/* Load 64 bit offset.	*/
-	st	%r1,0x74(%r15)		/* Store lower word of offset.	*/
-	ltr	%r0,%r0			/* Offset > 2^32 ?  */
-	jnz	2f
-	alr	%r1,%r3			/* Add length to offset.  */
-	brc	3,2f			/* Carry -> EINVAL.  */
-
-	la	%r2,0x60(%r15)		/* Load address of parameter list.  */
-	svc	SYS_ify(mmap)	/* Do the system call trap.  */
-
-	l	%r15,0(%r15)		/* Load back chain.  */
-	lm	%r6,%r15,24(%r15)	/* Load registers.  */
-
-	/* Check gpr 2 for error.  */
-	lhi	%r0,-4096
-	clr	%r2,%r0
-	jnl	SYSCALL_ERROR_LABEL
-
-	/* Successful; return the syscall's value.  */
-	br	%r14
-#endif
-
 2:	lhi	%r2,-EINVAL
 	l	%r15,0(%r15)		/* Load back chain.  */
 	lm	%r6,%r15,24(%r15)	/* Load registers.  */
diff --git a/libc/sysdeps/unix/sysv/linux/s390/s390-32/posix_fadvise64.c b/libc/sysdeps/unix/sysv/linux/s390/s390-32/posix_fadvise64.c
index 05b81ecbc..480b92fcb 100644
--- a/libc/sysdeps/unix/sysv/linux/s390/s390-32/posix_fadvise64.c
+++ b/libc/sysdeps/unix/sysv/linux/s390/s390-32/posix_fadvise64.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2003-2012 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
@@ -18,7 +18,6 @@
 #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);
@@ -37,7 +36,6 @@ struct fadvise64_64_layout
 int
 __posix_fadvise64_l64 (int fd, off64_t offset, off64_t len, int advise)
 {
-#ifdef __NR_fadvise64_64
   struct fadvise64_64_layout parameters;
   INTERNAL_SYSCALL_DECL (err);
   
@@ -48,28 +46,7 @@ __posix_fadvise64_l64 (int fd, off64_t offset, off64_t len, int advise)
   int ret = INTERNAL_SYSCALL (fadvise64_64, err, 1, &parameters);
   if (!INTERNAL_SYSCALL_ERROR_P (ret, err))
     return 0;
-# ifndef __ASSUME_FADVISE64_64_SYSCALL
-  if (INTERNAL_SYSCALL_ERRNO (ret, err) != ENOSYS)
-# endif
-   return INTERNAL_SYSCALL_ERRNO (ret, err);
-#endif
-#ifndef __ASSUME_FADVISE64_64_SYSCALL
-# ifdef __NR_fadvise64
-  if (len != (off_t) len)
-    return EOVERFLOW;
-
-  INTERNAL_SYSCALL_DECL (err2);
-  int ret2 = INTERNAL_SYSCALL (fadvise64, err2, 5, fd,
-			       __LONG_LONG_PAIR ((long) (offset >> 32),
-						 (long) offset),
-			       (off_t) len, advise);
-  if (!INTERNAL_SYSCALL_ERROR_P (ret2, err2))
-    return 0;
-  return INTERNAL_SYSCALL_ERRNO (ret2, err2);
-# else
-  return ENOSYS;
-# endif
-#endif
+  return INTERNAL_SYSCALL_ERRNO (ret, err);
 }
 
 #include <shlib-compat.h>