/*
* This file is part of the Jikes RVM project (http://jikesrvm.org).
*
* This file is licensed to You under the Eclipse Public License (EPL);
* You may not use this file except in compliance with the License. You
* may obtain a copy of the License at
*
* http://www.opensource.org/licenses/eclipse-1.0.php
*
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership.
*/
package org.jikesrvm.tools.header_gen;
import org.jikesrvm.VM;
import org.jikesrvm.ppc.BaselineConstants;
import org.jikesrvm.ppc.RegisterConstants;
import org.jikesrvm.ppc.StackframeLayoutConstants;
import org.jikesrvm.ppc.TrapConstants;
import org.jikesrvm.runtime.ArchEntrypoints;
import org.vmmagic.unboxed.Offset;
/**
* Emit the architecture-specific part of a header file containing declarations
* required to access VM data structures from C++.
* Posix version: AIX PPC, Linux PPC, Linux IA32
*/
final class GenArch_ppc extends GenArch {
public void emitArchVirtualMachineDeclarations() {
Offset offset;
offset = ArchEntrypoints.registersLRField.getOffset();
pln("Registers_lr_offset = ", offset);
p("static const int Constants_JTOC_POINTER = " + RegisterConstants.JTOC_POINTER + ";\n");
p("static const int Constants_FRAME_POINTER = " + RegisterConstants.FRAME_POINTER + ";\n");
p("static const int Constants_THREAD_REGISTER = " + RegisterConstants.THREAD_REGISTER + ";\n");
p("static const int Constants_FIRST_VOLATILE_GPR = " + RegisterConstants.FIRST_VOLATILE_GPR + ";\n");
p("static const int Constants_DIVIDE_BY_ZERO_MASK = " + TrapConstants.DIVIDE_BY_ZERO_MASK + ";\n");
p("static const int Constants_DIVIDE_BY_ZERO_TRAP = " + TrapConstants.DIVIDE_BY_ZERO_TRAP + ";\n");
p("static const int Constants_MUST_IMPLEMENT_MASK = " + TrapConstants.MUST_IMPLEMENT_MASK + ";\n");
p("static const int Constants_MUST_IMPLEMENT_TRAP = " + TrapConstants.MUST_IMPLEMENT_TRAP + ";\n");
p("static const int Constants_STORE_CHECK_MASK = " + TrapConstants.STORE_CHECK_MASK + ";\n");
p("static const int Constants_STORE_CHECK_TRAP = " + TrapConstants.STORE_CHECK_TRAP + ";\n");
p("static const int Constants_ARRAY_INDEX_MASK = " + TrapConstants.ARRAY_INDEX_MASK + ";\n");
p("static const int Constants_ARRAY_INDEX_TRAP = " + TrapConstants.ARRAY_INDEX_TRAP + ";\n");
p("static const int Constants_ARRAY_INDEX_REG_MASK = " + TrapConstants.ARRAY_INDEX_REG_MASK + ";\n");
p("static const int Constants_ARRAY_INDEX_REG_SHIFT = " + TrapConstants.ARRAY_INDEX_REG_SHIFT + ";\n");
p("static const int Constants_CONSTANT_ARRAY_INDEX_MASK = " +
TrapConstants.CONSTANT_ARRAY_INDEX_MASK + ";\n");
p("static const int Constants_CONSTANT_ARRAY_INDEX_TRAP = " +
TrapConstants.CONSTANT_ARRAY_INDEX_TRAP + ";\n");
p("static const int Constants_CONSTANT_ARRAY_INDEX_INFO = " +
TrapConstants.CONSTANT_ARRAY_INDEX_INFO + ";\n");
p("static const int Constants_WRITE_BUFFER_OVERFLOW_MASK = " +
TrapConstants.WRITE_BUFFER_OVERFLOW_MASK + ";\n");
p("static const int Constants_WRITE_BUFFER_OVERFLOW_TRAP = " +
TrapConstants.WRITE_BUFFER_OVERFLOW_TRAP + ";\n");
p("static const int Constants_STACK_OVERFLOW_MASK = " + TrapConstants.STACK_OVERFLOW_MASK + ";\n");
p("static const int Constants_STACK_OVERFLOW_HAVE_FRAME_TRAP = " +
TrapConstants.STACK_OVERFLOW_HAVE_FRAME_TRAP + ";\n");
p("static const int Constants_STACK_OVERFLOW_TRAP = " + TrapConstants.STACK_OVERFLOW_TRAP + ";\n");
p("static const int Constants_CHECKCAST_MASK = " + TrapConstants.CHECKCAST_MASK + ";\n");
p("static const int Constants_CHECKCAST_TRAP = " + TrapConstants.CHECKCAST_TRAP + ";\n");
p("static const int Constants_REGENERATE_MASK = " + TrapConstants.REGENERATE_MASK + ";\n");
p("static const int Constants_REGENERATE_TRAP = " + TrapConstants.REGENERATE_TRAP + ";\n");
p("static const int Constants_NULLCHECK_MASK = " + TrapConstants.NULLCHECK_MASK + ";\n");
p("static const int Constants_NULLCHECK_TRAP = " + TrapConstants.NULLCHECK_TRAP + ";\n");
p("static const int Constants_JNI_STACK_TRAP_MASK = " +
TrapConstants.JNI_STACK_TRAP_MASK + ";\n");
p("static const int Constants_JNI_STACK_TRAP = " + TrapConstants.JNI_STACK_TRAP + ";\n");
p("static const int Constants_STACKFRAME_NEXT_INSTRUCTION_OFFSET = " +
StackframeLayoutConstants.STACKFRAME_NEXT_INSTRUCTION_OFFSET + ";\n");
p("static const int Constants_STACKFRAME_ALIGNMENT = " +
StackframeLayoutConstants.STACKFRAME_ALIGNMENT + " ;\n");
}
public void emitArchAssemblerDeclarations() {
if (VM.BuildForOsx) {
pln("#define FP r" + BaselineConstants.FP);
pln("#define JTOC r" + BaselineConstants.JTOC);
pln("#define THREAD_REGISTER r" + BaselineConstants.THREAD_REGISTER);
pln("#define S0 r" + BaselineConstants.S0);
pln("#define T0 r" + BaselineConstants.T0);
pln("#define T1 r" + BaselineConstants.T1);
pln("#define T2 r" + BaselineConstants.T2);
pln("#define T3 r" + BaselineConstants.T3);
pln("#define STACKFRAME_NEXT_INSTRUCTION_OFFSET " +
StackframeLayoutConstants.STACKFRAME_NEXT_INSTRUCTION_OFFSET);
} else {
pln(".set FP," + BaselineConstants.FP);
pln(".set JTOC," + BaselineConstants.JTOC);
pln(".set THREAD_REGISTER," + BaselineConstants.THREAD_REGISTER);
pln(".set S0," + BaselineConstants.S0);
pln(".set T0," + BaselineConstants.T0);
pln(".set T1," + BaselineConstants.T1);
pln(".set T2," + BaselineConstants.T2);
pln(".set T3," + BaselineConstants.T3);
pln(".set STACKFRAME_NEXT_INSTRUCTION_OFFSET," + StackframeLayoutConstants.STACKFRAME_NEXT_INSTRUCTION_OFFSET);
if (!VM.BuildForAix) {
pln(".set T4," + (BaselineConstants.T3 + 1));
}
}
}
}