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
98 lines
2.7 KiB
ArmAsm
98 lines
2.7 KiB
ArmAsm
/* $NetBSD: brk.S,v 1.11 2013/09/12 15:36:16 joerg Exp $ */
|
|
|
|
/*-
|
|
* 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.
|
|
*
|
|
* from: @(#)brk.s 5.2 (Berkeley) 12/17/90
|
|
*/
|
|
|
|
#include <machine/asm.h>
|
|
#if defined(SYSLIBC_SCCS) && !defined(lint)
|
|
RCSID("$NetBSD: brk.S,v 1.11 2013/09/12 15:36:16 joerg Exp $")
|
|
#endif /* SYSLIBC_SCCS and not lint */
|
|
|
|
#include "SYS.h"
|
|
|
|
#ifdef WEAK_ALIAS
|
|
WEAK_ALIAS(brk,_brk)
|
|
#endif
|
|
|
|
.data
|
|
.globl _C_LABEL(__minbrk)
|
|
.align 2
|
|
_C_LABEL(__minbrk):
|
|
.long _end
|
|
|
|
.text
|
|
|
|
ENTRY(_brk)
|
|
#ifdef __PIC__
|
|
mova L_GOT, r0
|
|
mov.l L_GOT, r2
|
|
add r0, r2
|
|
mov.l Lminbrk, r0
|
|
mov.l @(r0, r2), r0
|
|
mov.l @r0, r0
|
|
#else
|
|
mov.l Lminbrk, r0
|
|
mov.l @r0, r0
|
|
#endif
|
|
cmp/hs r4, r0
|
|
bf 1f
|
|
mov r0, r4
|
|
1:
|
|
mov.l LSYS_break, r0
|
|
trapa #0x80
|
|
bf err
|
|
#ifdef __PIC__
|
|
mov.l Lcurbrk, r0
|
|
mov.l @(r0, r2), r1
|
|
xor r0, r0
|
|
#else
|
|
xor r0, r0
|
|
mov.l Lcurbrk, r1
|
|
#endif
|
|
rts
|
|
mov.l r4, @r1
|
|
err:
|
|
JUMP_CERROR
|
|
|
|
.align 2
|
|
LSYS_break: .long SYS_break
|
|
#ifdef __PIC__
|
|
L_GOT: .long _GLOBAL_OFFSET_TABLE_
|
|
Lminbrk: .long _C_LABEL(__minbrk)@GOT
|
|
Lcurbrk: .long curbrk@GOT
|
|
#else
|
|
Lminbrk: .long _C_LABEL(__minbrk)
|
|
Lcurbrk: .long curbrk
|
|
#endif
|
|
SET_ENTRY_SIZE(_brk)
|