diff options
Diffstat (limited to 'lib/libc/arm/sys/sbrk.S')
| -rw-r--r-- | lib/libc/arm/sys/sbrk.S | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/lib/libc/arm/sys/sbrk.S b/lib/libc/arm/sys/sbrk.S deleted file mode 100644 index d76e85a..0000000 --- a/lib/libc/arm/sys/sbrk.S +++ /dev/null @@ -1,88 +0,0 @@ -/* $NetBSD: sbrk.S,v 1.7 2003/08/07 16:42:05 agc Exp $ */ - -/*- - * Copyright (c) 1990 The Regents of the University of California. - * All rights reserved. - * - * 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. - * - * from: @(#)sbrk.s 5.1 (Berkeley) 4/23/90 - */ - -#include <machine/asm.h> -__FBSDID("$FreeBSD$"); -#include "SYS.h" - - .globl _C_LABEL(_end) - -#ifdef WEAK_ALIAS -WEAK_ALIAS(sbrk, _sbrk) -#endif - - .data - .align 0 - .globl CURBRK - .type CURBRK,#object -CURBRK: - .word _C_LABEL(_end) - -/* - * Change the data segment size - */ -ENTRY(_sbrk) -#ifdef PIC - /* Setup the GOT */ - ldr r3, .Lgot - add r3, pc, r3 -.L1: - ldr r2, .Lcurbrk - ldr r2, [r3, r2] -#else - ldr r2, .Lcurbrk -#endif - /* Get the current brk address */ - ldr r1, [r2] - - /* Calculate new value */ - mov r3, r0 - add r0, r0, r1 - SYSTRAP(break) - bcs PIC_SYM(CERROR, PLT) - - /* Store new curbrk value */ - ldr r0, [r2] - add r1, r0, r3 - str r1, [r2] - - /* Return old curbrk value */ - RET - - .align 0 -#ifdef PIC -.Lgot: - .word _GLOBAL_OFFSET_TABLE_ - (.L1+4) -#endif -.Lcurbrk: - .word PIC_SYM(CURBRK, GOT) |
