Remove __ASSUME_MMAP2_SYSCALL.

2 files changed, 6 insertions, 46 deletions

diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/mmap.S b/sysdeps/unix/sysv/linux/s390/s390-32/mmap.S
index 6e5ba94c1a..0357ab4617 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/mmap.S
+++ b/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/sysdeps/unix/sysv/linux/s390/s390-32/mmap64.S b/sysdeps/unix/sysv/linux/s390/s390-32/mmap64.S
index ad6d254db1..8b4bd4556f 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/mmap64.S
+++ b/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.  */