84d9c625bf
- Fix for possible unset uid/gid in toproto
- Fix for default mtree style
- Update libelf
- Importing libexecinfo
- Resynchronize GCC, mpc, gmp, mpfr
- build.sh: Replace params with show-params.
This has been done as the make target has been renamed in the same
way, while a new target named params has been added. This new
target generates a file containing all the parameters, instead of
printing it on the console.
- Update test48 with new etc/services (Fix by Ben Gras <ben@minix3.org)
get getservbyport() out of the inner loop
Change-Id: Ie6ad5226fa2621ff9f0dee8782ea48f9443d2091
96 lines
2.6 KiB
ArmAsm
96 lines
2.6 KiB
ArmAsm
/* $NetBSD: brk.S,v 1.13 2013/09/12 15:36:15 joerg 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: @(#)brk.s 5.2 (Berkeley) 12/17/90
|
|
*/
|
|
|
|
#include "SYS.h"
|
|
|
|
.globl _C_LABEL(_end)
|
|
.globl _C_LABEL(__curbrk)
|
|
|
|
#ifdef WEAK_ALIAS
|
|
WEAK_ALIAS(brk, _brk)
|
|
#endif
|
|
|
|
.data
|
|
.align 0
|
|
.globl _C_LABEL(__minbrk)
|
|
.hidden _C_LABEL(__minbrk)
|
|
.type _C_LABEL(__minbrk),#object
|
|
_C_LABEL(__minbrk):
|
|
.word _C_LABEL(_end)
|
|
|
|
/*
|
|
* Change the data segment size
|
|
*/
|
|
ENTRY(_brk)
|
|
ldr r1, .Lminbrk
|
|
#ifdef __PIC__
|
|
adr r3, .Lminbrk
|
|
adds r1, r1, r3
|
|
#endif
|
|
/* Get the minimum allowable brk address */
|
|
ldr r1, [r1]
|
|
|
|
/*
|
|
* Valid the address specified and set to the minimum
|
|
* if the address is below minbrk.
|
|
*/
|
|
cmp r0, r1
|
|
#ifdef __thumb__
|
|
bcs 1f
|
|
mov r0, r1
|
|
1:
|
|
#else
|
|
movcc r0, r1
|
|
#endif
|
|
mov r2, r0
|
|
SYSTRAP(break)
|
|
_INVOKE_CERROR()
|
|
|
|
ldr r1, .Lcurbrk
|
|
#ifdef __PIC__
|
|
adds r1, r1, r3
|
|
#endif
|
|
/* Store the new address in curbrk */
|
|
str r2, [r1]
|
|
|
|
/* Return 0 for success */
|
|
movs r0, #0
|
|
RET
|
|
|
|
.align 0
|
|
.Lminbrk:
|
|
.word REL_SYM(_C_LABEL(__minbrk), .Lminbrk)
|
|
.Lcurbrk:
|
|
.word REL_SYM(_C_LABEL(__curbrk), .Lminbrk)
|
|
END(_brk)
|