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/*
* Copyright (c) 2003, 2010, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*
*/
#ifndef CPU_ZERO_VM_NATIVEINST_ZERO_HPP
#define CPU_ZERO_VM_NATIVEINST_ZERO_HPP
#include "asm/assembler.hpp"
#include "memory/allocation.hpp"
#include "runtime/icache.hpp"
#include "runtime/os.hpp"
#include "utilities/top.hpp"
// 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();
return false;
}
bool is_safepoint_poll() {
ShouldNotCallThis();
return false;
}
};
inline NativeInstruction* nativeInstruction_at(address address) {
ShouldNotCallThis();
return NULL;
}
class NativeCall : public NativeInstruction {
public:
enum zero_specific_constants {
instruction_size = 0 // not used within the interpreter
};
address instruction_address() const {
ShouldNotCallThis();
return NULL;
}
address next_instruction_address() const {
ShouldNotCallThis();
return NULL;
}
address return_address() const {
ShouldNotCallThis();
return NULL;
}
address destination() const {
ShouldNotCallThis();
return NULL;
}
void set_destination_mt_safe(address dest) {
ShouldNotCallThis();
}
void verify_alignment() {
ShouldNotCallThis();
}
void verify() {
ShouldNotCallThis();
}
static bool is_call_before(address return_address) {
ShouldNotCallThis();
return false;
}
};
inline NativeCall* nativeCall_before(address return_address) {
ShouldNotCallThis();
return NULL;
}
inline NativeCall* nativeCall_at(address address) {
ShouldNotCallThis();
return NULL;
}
class NativeMovConstReg : public NativeInstruction {
public:
address next_instruction_address() const {
ShouldNotCallThis();
return NULL;
}
intptr_t data() const {
ShouldNotCallThis();
return 0;
}
void set_data(intptr_t x) {
ShouldNotCallThis();
}
};
inline NativeMovConstReg* nativeMovConstReg_at(address address) {
ShouldNotCallThis();
return NULL;
}
class NativeMovRegMem : public NativeInstruction {
public:
int offset() const {
ShouldNotCallThis();
return 0;
}
void set_offset(intptr_t x) {
ShouldNotCallThis();
}
void add_offset_in_bytes(int add_offset) {
ShouldNotCallThis();
}
};
inline NativeMovRegMem* nativeMovRegMem_at(address address) {
ShouldNotCallThis();
return NULL;
}
class NativeJump : public NativeInstruction {
public:
enum zero_specific_constants {
instruction_size = 0 // not used within the interpreter
};
address jump_destination() const {
ShouldNotCallThis();
return NULL;
}
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();
return NULL;
}
class NativeGeneralJump : public NativeInstruction {
public:
address jump_destination() const {
ShouldNotCallThis();
return NULL;
}
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();
return NULL;
}
#endif // CPU_ZERO_VM_NATIVEINST_ZERO_HPP
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