Mercurial > hg > truffle
diff src/cpu/zero/vm/nativeInst_zero.hpp @ 1010:354d3184f6b2
6890308: integrate zero assembler hotspot changes
Reviewed-by: never
Contributed-by: gbenson@redhat.com
author | never |
---|---|
date | Tue, 13 Oct 2009 12:04:21 -0700 |
parents | |
children | c18cbe5936b8 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/cpu/zero/vm/nativeInst_zero.hpp Tue Oct 13 12:04:21 2009 -0700 @@ -0,0 +1,185 @@ +/* + * Copyright 2003-2006 Sun Microsystems, Inc. All Rights Reserved. + * Copyright 2007 Red Hat, Inc. + * 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. + * + */ + +// We have interfaces for the following instructions: +// - NativeInstruction +// - - NativeCall +// - - NativeMovConstReg +// - - NativeMovConstRegPatching +// - - NativeJump +// - - NativeIllegalOpCode +// - - NativeReturn +// - - NativeReturnX (return with argument) +// - - NativePushConst +// - - NativeTstRegMem + +// The base class for different kinds of native instruction abstractions. +// Provides the primitive operations to manipulate code relative to this. + +class NativeInstruction VALUE_OBJ_CLASS_SPEC { + public: + bool is_jump() { + ShouldNotCallThis(); + } + + bool is_safepoint_poll() { + ShouldNotCallThis(); + } +}; + +inline NativeInstruction* nativeInstruction_at(address address) { + ShouldNotCallThis(); +} + +class NativeCall : public NativeInstruction { + public: + enum zero_specific_constants { + instruction_size = 0 // not used within the interpreter + }; + + address instruction_address() const { + ShouldNotCallThis(); + } + + address next_instruction_address() const { + ShouldNotCallThis(); + } + + address return_address() const { + ShouldNotCallThis(); + } + + address destination() const { + ShouldNotCallThis(); + } + + void set_destination_mt_safe(address dest) { + ShouldNotCallThis(); + } + + void verify_alignment() { + ShouldNotCallThis(); + } + + void verify() { + ShouldNotCallThis(); + } + + static bool is_call_before(address return_address) { + ShouldNotCallThis(); + } +}; + +inline NativeCall* nativeCall_before(address return_address) { + ShouldNotCallThis(); +} + +inline NativeCall* nativeCall_at(address address) { + ShouldNotCallThis(); +} + +class NativeMovConstReg : public NativeInstruction { + public: + address next_instruction_address() const { + ShouldNotCallThis(); + } + + intptr_t data() const { + ShouldNotCallThis(); + } + + void set_data(intptr_t x) { + ShouldNotCallThis(); + } +}; + +inline NativeMovConstReg* nativeMovConstReg_at(address address) { + ShouldNotCallThis(); +} + +class NativeMovRegMem : public NativeInstruction { + public: + int offset() const { + ShouldNotCallThis(); + } + + void set_offset(intptr_t x) { + ShouldNotCallThis(); + } + + void add_offset_in_bytes(int add_offset) { + ShouldNotCallThis(); + } +}; + +inline NativeMovRegMem* nativeMovRegMem_at(address address) { + ShouldNotCallThis(); +} + +class NativeJump : public NativeInstruction { + public: + enum zero_specific_constants { + instruction_size = 0 // not used within the interpreter + }; + + address jump_destination() const { + ShouldNotCallThis(); + } + + void set_jump_destination(address dest) { + ShouldNotCallThis(); + } + + static void check_verified_entry_alignment(address entry, + address verified_entry) { + } + + static void patch_verified_entry(address entry, + address verified_entry, + address dest); +}; + +inline NativeJump* nativeJump_at(address address) { + ShouldNotCallThis(); +} + +class NativeGeneralJump : public NativeInstruction { + public: + address jump_destination() const { + ShouldNotCallThis(); + } + + static void insert_unconditional(address code_pos, address entry) { + ShouldNotCallThis(); + } + + static void replace_mt_safe(address instr_addr, address code_buffer) { + ShouldNotCallThis(); + } +}; + +inline NativeGeneralJump* nativeGeneralJump_at(address address) { + ShouldNotCallThis(); +}