From 348363b2c3ee93252a971ead851085739d8d04fb Mon Sep 17 00:00:00 2001
From: Joseph Myers <joseph@codesourcery.com>
Date: Mon, 20 Aug 2012 14:37:27 +0000
Subject: Remove __ASSUME_MMAP2_SYSCALL.

---
 sysdeps/unix/sysv/linux/i386/mmap.S   | 23 ------------------
 sysdeps/unix/sysv/linux/i386/mmap64.S | 44 -----------------------------------
 2 files changed, 67 deletions(-)

(limited to 'sysdeps/unix/sysv/linux/i386')

diff --git a/sysdeps/unix/sysv/linux/i386/mmap.S b/sysdeps/unix/sysv/linux/i386/mmap.S
index c8bf3e1087..1f79bde285 100644
--- a/sysdeps/unix/sysv/linux/i386/mmap.S
+++ b/sysdeps/unix/sysv/linux/i386/mmap.S
@@ -25,10 +25,6 @@
 
 ENTRY (__mmap)
 
-/* 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.  */
-#ifdef __ASSUME_MMAP2_SYSCALL
-
 	/* Save registers.  */
 	pushl %ebp
 	cfi_adjust_cfa_offset (4)
@@ -73,25 +69,6 @@ L(skip):
 	cfi_adjust_cfa_offset (-4)
 	cfi_restore (ebp)
 
-#else
-
-	/* Save registers.  */
-	movl %ebx, %edx
-	cfi_register (ebx, edx)
-
-	movl $SYS_ify(mmap), %eax	/* System call number in %eax.  */
-
-	lea 4(%esp), %ebx		/* Address of args is 1st arg.  */
-
-	/* Do the system call trap.  */
-	int $0x80
-
-	/* Restore registers.  */
-	movl %edx, %ebx
-	cfi_restore (ebx)
-
-#endif
-
 	/* If 0 > %eax > -4096 there was an error.  */
 	cmpl $-4096, %eax
 	ja SYSCALL_ERROR_LABEL
diff --git a/sysdeps/unix/sysv/linux/i386/mmap64.S b/sysdeps/unix/sysv/linux/i386/mmap64.S
index 7599b85443..8855109ff9 100644
--- a/sysdeps/unix/sysv/linux/i386/mmap64.S
+++ b/sysdeps/unix/sysv/linux/i386/mmap64.S
@@ -37,8 +37,6 @@
 	.text
 ENTRY (BP_SYM (__mmap64))
 
-#ifdef __NR_mmap2
-
 	/* Save registers.  */
 	pushl %ebp
 	cfi_adjust_cfa_offset (4)
@@ -88,12 +86,6 @@ L(do_syscall):
 	cfi_adjust_cfa_offset (-4)
 	cfi_restore (ebp)
 
-#ifndef __ASSUME_MMAP2_SYSCALL
-2:
-	cmp $-ENOSYS, %eax
-	je 3f
-#endif
-
 	/* If 0 > %eax > -4096 there was an error.  */
 	cmpl $-4096, %eax
 	ja SYSCALL_ERROR_LABEL
@@ -122,42 +114,6 @@ L(einval):
 	cfi_restore (ebp)
 	movl $-EINVAL, %eax
 	jmp SYSCALL_ERROR_LABEL
-#endif
-
-#if !defined __ASSUME_MMAP2_SYSCALL || !defined __NR_mmap2
-3:
-	/* Save registers.  */
-	movl %ebx, %edx
-	cfi_register (ebx, edx)
-
-	cmpl $0, OFFHI-SVRSP(%esp)
-	jne L(einval2)
-
-	movl $SYS_ify(mmap), %eax	/* System call number in %eax.  */
-
-	lea ADDR-SVRSP(%esp), %ebx	/* Address of args is 1st arg.  */
-
-	/* Do the system call trap.  */
-	ENTER_KERNEL
-
-	/* Restore registers.  */
-	movl %edx, %ebx
-	cfi_restore (ebx)
-
-	/* If 0 > %eax > -4096 there was an error.  */
-	cmpl $-4096, %eax
-	ja SYSCALL_ERROR_LABEL
-
-	/* Successful; return the syscall's value.  */
-	ret
-
-	cfi_register (ebx, edx)
-L(einval2):
-	movl %edx, %ebx
-	cfi_restore (ebx)
-	movl $-EINVAL, %eax
-	jmp SYSCALL_ERROR_LABEL
-#endif
 
 PSEUDO_END (BP_SYM (__mmap64))
 
-- 
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