diff options
Diffstat (limited to 'lib/libc/i386/sys/brk.S')
-rw-r--r-- | lib/libc/i386/sys/brk.S | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/lib/libc/i386/sys/brk.S b/lib/libc/i386/sys/brk.S deleted file mode 100644 index 227c819316ba..000000000000 --- a/lib/libc/i386/sys/brk.S +++ /dev/null @@ -1,85 +0,0 @@ -/*- - * Copyright (c) 1990 The Regents of the University of California. - * All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * William Jolitz. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#if defined(SYSLIBC_SCCS) && !defined(lint) - .asciz "@(#)brk.s 5.2 (Berkeley) 12/17/90" -#endif /* SYSLIBC_SCCS and not lint */ -#include <machine/asm.h> -__FBSDID("$FreeBSD$"); - -#include "SYS.h" - - .globl HIDENAME(curbrk) - .globl HIDENAME(minbrk) -ENTRY(_brk) - jmp ok -END(_brk) - -ENTRY(brk) -#ifdef PIC - movl 4(%esp),%eax - PIC_PROLOGUE - movl PIC_GOT(HIDENAME(curbrk)),%edx # set up GOT addressing - movl PIC_GOT(HIDENAME(minbrk)),%ecx # - PIC_EPILOGUE - cmpl %eax,(%ecx) - jbe ok - movl (%ecx),%eax - movl %eax,4(%esp) -ok: - mov $SYS_break,%eax - KERNCALL - jb HIDENAME(cerror) - movl 4(%esp),%eax - movl %eax,(%edx) - movl $0,%eax - ret - -#else - - movl 4(%esp),%eax - cmpl %eax,HIDENAME(minbrk) - jbe ok - movl HIDENAME(minbrk),%eax - movl %eax,4(%esp) -ok: - mov $SYS_break,%eax - KERNCALL - jb HIDENAME(cerror) - movl 4(%esp),%eax - movl %eax,HIDENAME(curbrk) - movl $0,%eax - ret -#endif -END(brk) - - .section .note.GNU-stack,"",%progbits |