Mercurial > hg > truffle
view src/os_cpu/linux_sparc/vm/assembler_linux_sparc.cpp @ 225:286bee59f34b
Merge
author | trims |
---|---|
date | Fri, 27 Jun 2008 19:12:11 -0700 |
parents | 435e64505015 |
children | d1605aabd0a1 |
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/* * Copyright 1999-2006 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ #include "incls/_precompiled.incl" #include "incls/_assembler_linux_sparc.cpp.incl" #include <asm-sparc/traps.h> bool MacroAssembler::needs_explicit_null_check(intptr_t offset) { // Since the linux kernel resides at the low end of // user address space, no null pointer check is needed. return offset < 0 || offset >= 0x100000; } void MacroAssembler::read_ccr_trap(Register ccr_save) { // No implementation breakpoint_trap(); } void MacroAssembler::write_ccr_trap(Register ccr_save, Register scratch1, Register scratch2) { // No implementation breakpoint_trap(); } void MacroAssembler::flush_windows_trap() { trap(SP_TRAP_FWIN); } void MacroAssembler::clean_windows_trap() { trap(SP_TRAP_CWIN); } // Use software breakpoint trap until we figure out how to do this on Linux void MacroAssembler::get_psr_trap() { trap(SP_TRAP_SBPT); } void MacroAssembler::set_psr_trap() { trap(SP_TRAP_SBPT); }