Mercurial > hg > graal-compiler
diff src/os_cpu/linux_sparc/vm/assembler_linux_sparc.cpp @ 133:435e64505015
6693457: Open-source hotspot linux-sparc support
Summary: Move os_cpu/linux_sparc from closed to open
Reviewed-by: kamg
author | phh |
---|---|
date | Thu, 24 Apr 2008 15:07:57 -0400 |
parents | |
children | d1605aabd0a1 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/os_cpu/linux_sparc/vm/assembler_linux_sparc.cpp Thu Apr 24 15:07:57 2008 -0400 @@ -0,0 +1,51 @@ +/* + * 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); }