mirror of
https://gitlab.com/camelot/kickc.git
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Moved ASM code gen and ASM encoding handling into separate util classes.
This commit is contained in:
jespergravgaard
parent
87cc51d685
commit
44ec5be5e8
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@ -0,0 +1,70 @@
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package dk.camelot64.kickc.fragment;
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import dk.camelot64.kickc.asm.AsmProgram;
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import dk.camelot64.kickc.model.ControlFlowBlock;
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import dk.camelot64.kickc.model.iterator.ProgramValue;
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import dk.camelot64.kickc.model.iterator.ProgramValueHandler;
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import dk.camelot64.kickc.model.iterator.ProgramValueIterator;
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import dk.camelot64.kickc.model.statements.Statement;
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import dk.camelot64.kickc.model.values.ConstantChar;
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import dk.camelot64.kickc.model.values.ConstantString;
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import dk.camelot64.kickc.model.values.StringEncoding;
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import dk.camelot64.kickc.model.values.Value;
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import java.util.LinkedHashSet;
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import java.util.ListIterator;
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import java.util.Map;
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import java.util.Set;
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public class AsmEncodingHelper {
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/**
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* Ensure that the current encoding in the ASM matches any encoding in the data to be emitted
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*
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* @param asm The ASM program (where any .encoding directive will be emitted)
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* @param asmFragmentInstance The ASM fragment to be emitted
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*/
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static void ensureEncoding(AsmProgram asm, AsmFragmentInstanceSpec asmFragmentInstance) {
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asm.ensureEncoding(getEncoding(asmFragmentInstance));
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}
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public static void ensureEncoding(AsmProgram asm, Value value) {
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asm.ensureEncoding(getEncoding(value));
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}
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/**
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* Examine a constantvalue to see if any string encoding information is present
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*
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* @param value The constant to examine
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* @return Any encoding found inside the constant
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*/
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public static Set<StringEncoding> getEncoding(Value value) {
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LinkedHashSet<StringEncoding> encodings = new LinkedHashSet<>();
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ProgramValue programValue = new ProgramValue.GenericValue(value);
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ProgramValueHandler handler = (ProgramValue pVal, Statement currentStmt, ListIterator<Statement> stmtIt, ControlFlowBlock currentBlock) -> {
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Value val = pVal.get();
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if(val instanceof ConstantChar) {
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encodings.add(((ConstantChar) val).getEncoding());
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} else if(val instanceof ConstantString) {
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encodings.add(((ConstantString) val).getEncoding());
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}
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};
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ProgramValueIterator.execute(programValue, handler, null, null, null);
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return encodings;
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}
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/**
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* Examine an ASM fragment to see if any string encoding information is present
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*
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* @param asmFragmentInstance The asm fragment instance to examine
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* @return Any encoding found inside the constant
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*/
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private static Set<StringEncoding> getEncoding(AsmFragmentInstanceSpec asmFragmentInstance) {
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LinkedHashSet<StringEncoding> encodings = new LinkedHashSet<>();
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Map<String, Value> bindings = asmFragmentInstance.getBindings();
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for(Value boundValue : bindings.values()) {
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encodings.addAll(getEncoding(boundValue));
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}
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return encodings;
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}
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}
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@ -0,0 +1,43 @@
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package dk.camelot64.kickc.fragment;
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import dk.camelot64.kickc.asm.AsmProgram;
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import dk.camelot64.kickc.model.Program;
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public class AsmFragmentCodeGenerator {
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/**
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* Generate ASM code for an ASM fragment instance
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*
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* @param asm The ASM program to generate into
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* @param fragmentInstanceSpec The ASM fragment instance specification
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* @param program The program. Used for getting global statics.
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*/
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public static void generateAsm(AsmProgram asm, AsmFragmentInstanceSpec fragmentInstanceSpec, Program program) {
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AsmEncodingHelper.ensureEncoding(asm, fragmentInstanceSpec);
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String initialSignature = fragmentInstanceSpec.getSignature();
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AsmFragmentInstance fragmentInstance = null;
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StringBuilder fragmentVariationsTried = new StringBuilder();
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while(fragmentInstance == null) {
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try {
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final AsmFragmentTemplateSynthesizer cpuSynthesizer = program.getAsmFragmentMasterSynthesizer().getSynthesizer(program.getTargetCpu());
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fragmentInstance = cpuSynthesizer.getFragmentInstance(fragmentInstanceSpec, program.getLog());
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} catch(AsmFragmentTemplateSynthesizer.UnknownFragmentException e) {
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// Unknown fragment - keep looking through alternative ASM fragment instance specs until we have tried them all
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String signature = fragmentInstanceSpec.getSignature();
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fragmentVariationsTried.append(signature).append(" ");
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if(fragmentInstanceSpec.hasNextVariation()) {
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fragmentInstanceSpec.nextVariation();
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if(program.getLog().isVerboseFragmentLog()) {
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program.getLog().append("Fragment not found " + signature + ". Attempting another variation " + fragmentInstanceSpec.getSignature());
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}
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} else {
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// No more variations available - fail with an error
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throw new AsmFragmentTemplateSynthesizer.UnknownFragmentException("Fragment not found " + initialSignature + ". Attempted variations " + fragmentVariationsTried);
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}
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}
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}
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asm.getCurrentChunk().setFragment(fragmentInstance.getFragmentName());
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fragmentInstance.generate(asm);
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}
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}
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@ -83,7 +83,7 @@ public class AsmFragmentInstanceSpec {
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/**
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* Does any more variations of the ASM fragment instance specification exist?
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* Variations are used for finding the right fragment to use for constant numbers.
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* For instance the number 1000 can be represented as several different types (unsigned/signed word/dword).
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* For instance the number 1000 can be represented as several types (unsigned/signed word/dword).
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*
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* @return true if more variations exits
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*/
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@ -6,9 +6,6 @@ import dk.camelot64.kickc.asm.*;
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import dk.camelot64.kickc.fragment.*;
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import dk.camelot64.kickc.model.InternalError;
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import dk.camelot64.kickc.model.*;
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import dk.camelot64.kickc.model.iterator.ProgramValue;
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import dk.camelot64.kickc.model.iterator.ProgramValueHandler;
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import dk.camelot64.kickc.model.iterator.ProgramValueIterator;
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import dk.camelot64.kickc.model.operators.Operators;
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import dk.camelot64.kickc.model.statements.*;
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import dk.camelot64.kickc.model.symbols.*;
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@ -461,7 +458,7 @@ public class Pass4CodeGeneration {
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// Add any comments
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generateComments(asm, constantVar.getComments());
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// Ensure encoding is good
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ensureEncoding(asm, constantVar.getInitValue());
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AsmEncodingHelper.ensureEncoding(asm, constantVar.getInitValue());
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asm.addConstant(AsmFormat.asmFix(asmName), asmConstant);
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}
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@ -469,7 +466,7 @@ public class Pass4CodeGeneration {
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// Add any comments
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generateComments(asm, variable.getComments());
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// Ensure encoding is good
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ensureEncoding(asm, variable.getInitValue());
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AsmEncodingHelper.ensureEncoding(asm, variable.getInitValue());
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// Find the constant value calculation
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asm.addLabelDecl(AsmFormat.asmFix(asmName), asmConstant);
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}
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@ -666,7 +663,7 @@ public class Pass4CodeGeneration {
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ConstantValue paddingSizeVal = new ConstantInteger(paddingSize);
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String paddingBytesAsm = AsmFormat.getAsmConstant(program, paddingSizeVal, 99, scopeRef);
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ConstantValue zeroValue = new ConstantInteger(0l, SymbolType.BYTE);
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dataChunk.addDataZeroFilled(AsmDataNumeric.Type.BYTE, paddingBytesAsm, (int) paddingSize, getEncoding(zeroValue));
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dataChunk.addDataZeroFilled(AsmDataNumeric.Type.BYTE, paddingBytesAsm, (int) paddingSize, AsmEncodingHelper.getEncoding(zeroValue));
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}
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} else if(value instanceof StructZero) {
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final SymbolTypeStruct typeStruct = ((StructZero) value).getTypeStruct();
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@ -713,12 +710,12 @@ public class Pass4CodeGeneration {
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if(declaredSize != null) {
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bytes = declaredSize * elementType.getSizeBytes();
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}
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dataChunk.addDataKickAsm(bytes, kickAsm.getKickAsmCode(), getEncoding(value));
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dataChunk.addDataKickAsm(bytes, kickAsm.getKickAsmCode(), AsmEncodingHelper.getEncoding(value));
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dataNumElements = bytes;
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} else if(value instanceof ConstantString) {
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ConstantString stringValue = (ConstantString) value;
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String asmConstant = AsmFormat.getAsmConstant(program, stringValue, 99, scopeRef);
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dataChunk.addDataString(asmConstant, getEncoding(stringValue));
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dataChunk.addDataString(asmConstant, AsmEncodingHelper.getEncoding(stringValue));
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if(stringValue.isZeroTerminated()) {
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dataChunk.addDataNumeric(AsmDataNumeric.Type.BYTE, "0", null);
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}
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@ -748,7 +745,7 @@ public class Pass4CodeGeneration {
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}
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ConstantValue zeroValue = Initializers.createZeroValue(new Initializers.ValueTypeSpec(elementType), null);
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if(zeroValue instanceof ConstantInteger | zeroValue instanceof ConstantPointer) {
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dataChunk.addDataZeroFilled(getNumericType(elementType), paddingBytesAsm, (int) paddingSize, getEncoding(zeroValue));
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dataChunk.addDataZeroFilled(getNumericType(elementType), paddingBytesAsm, (int) paddingSize, AsmEncodingHelper.getEncoding(zeroValue));
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} else {
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for(int i = 0; i < paddingSize; i++) {
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addChunkData(dataChunk, zeroValue, elementType, null, scopeRef);
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@ -760,20 +757,20 @@ public class Pass4CodeGeneration {
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ConstantString stringValue = (ConstantString) value;
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// Ensure encoding is good
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String asmConstant = AsmFormat.getAsmConstant(program, stringValue, 99, scopeRef);
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dataChunk.addDataString(asmConstant, getEncoding(stringValue));
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dataChunk.addDataString(asmConstant, AsmEncodingHelper.getEncoding(stringValue));
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if(stringValue.isZeroTerminated()) {
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dataChunk.addDataNumeric(AsmDataNumeric.Type.BYTE, "0", null);
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}
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} else if(SymbolType.BYTE.equals(valueType) || SymbolType.SBYTE.equals(valueType)) {
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dataChunk.addDataNumeric(AsmDataNumeric.Type.BYTE, AsmFormat.getAsmConstant(program, value, 99, scopeRef), getEncoding(value));
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dataChunk.addDataNumeric(AsmDataNumeric.Type.BYTE, AsmFormat.getAsmConstant(program, value, 99, scopeRef), AsmEncodingHelper.getEncoding(value));
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} else if(SymbolType.WORD.equals(valueType) || SymbolType.SWORD.equals(valueType)) {
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dataChunk.addDataNumeric(AsmDataNumeric.Type.WORD, AsmFormat.getAsmConstant(program, value, 99, scopeRef), getEncoding(value));
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dataChunk.addDataNumeric(AsmDataNumeric.Type.WORD, AsmFormat.getAsmConstant(program, value, 99, scopeRef), AsmEncodingHelper.getEncoding(value));
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} else if(SymbolType.DWORD.equals(valueType) || SymbolType.SDWORD.equals(valueType)) {
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dataChunk.addDataNumeric(AsmDataNumeric.Type.DWORD, AsmFormat.getAsmConstant(program, value, 99, scopeRef), getEncoding(value));
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dataChunk.addDataNumeric(AsmDataNumeric.Type.DWORD, AsmFormat.getAsmConstant(program, value, 99, scopeRef), AsmEncodingHelper.getEncoding(value));
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} else if(valueType instanceof SymbolTypePointer) {
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dataChunk.addDataNumeric(AsmDataNumeric.Type.WORD, AsmFormat.getAsmConstant(program, value, 99, scopeRef), getEncoding(value));
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dataChunk.addDataNumeric(AsmDataNumeric.Type.WORD, AsmFormat.getAsmConstant(program, value, 99, scopeRef), AsmEncodingHelper.getEncoding(value));
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} else if(SymbolType.BOOLEAN.equals(valueType)) {
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dataChunk.addDataNumeric(AsmDataNumeric.Type.BYTE, AsmFormat.getAsmConstant(program, value, 99, scopeRef), getEncoding(value));
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dataChunk.addDataNumeric(AsmDataNumeric.Type.BYTE, AsmFormat.getAsmConstant(program, value, 99, scopeRef), AsmEncodingHelper.getEncoding(value));
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} else {
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throw new InternalError("Unhandled array element type " + valueType.toString() + " value " + value.toString(program));
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}
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@ -848,7 +845,7 @@ public class Pass4CodeGeneration {
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throw new AsmFragmentInstance.AluNotApplicableException();
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}
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StatementAssignment assignment = (StatementAssignment) statement;
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generateAsm(asm, AsmFragmentInstanceSpecBuilder.assignmentAlu(assignment, assignmentAlu, program));
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AsmFragmentCodeGenerator.generateAsm(asm, AsmFragmentInstanceSpecBuilder.assignmentAlu(assignment, assignmentAlu, program), program);
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aluState.clear();
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return;
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}
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@ -871,17 +868,17 @@ public class Pass4CodeGeneration {
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if(assignment.getOperator() == null && assignment.getrValue1() == null && isRegisterCopy(lValue, assignment.getrValue2())) {
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//asm.addComment(lValue.toString(program) + " = " + assignment.getrValue2().toString(program) + " // register copy " + getRegister(lValue));
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} else {
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generateAsm(asm, AsmFragmentInstanceSpecBuilder.assignment(assignment, program));
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AsmFragmentCodeGenerator.generateAsm(asm, AsmFragmentInstanceSpecBuilder.assignment(assignment, program), program);
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}
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}
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} else if(statement instanceof StatementConditionalJump) {
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generateAsm(asm, AsmFragmentInstanceSpecBuilder.conditionalJump((StatementConditionalJump) statement, block, program));
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AsmFragmentCodeGenerator.generateAsm(asm, AsmFragmentInstanceSpecBuilder.conditionalJump((StatementConditionalJump) statement, block, program), program);
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} else if(statement instanceof StatementCall) {
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StatementCall call = (StatementCall) statement;
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Procedure procedure = getScope().getProcedure(call.getProcedure());
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if(procedure.isDeclaredIntrinsic()) {
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if(Pass1ByteXIntrinsicRewrite.INTRINSIC_MAKELONG4.equals(procedure.getFullName())) {
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generateAsm(asm, AsmFragmentInstanceSpecBuilder.makelong4(call, program));
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AsmFragmentCodeGenerator.generateAsm(asm, AsmFragmentInstanceSpecBuilder.makelong4(call, program), program);
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} else {
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throw new CompileError("Intrinsic procedure not supported " + procedure.toString(program));
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}
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@ -905,12 +902,12 @@ public class Pass4CodeGeneration {
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StatementCallExecute call = (StatementCallExecute) statement;
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RValue procedureRVal = call.getProcedureRVal();
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// Generate ASM for a call
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generateAsm(asm, AsmFragmentInstanceSpecBuilder.call(call, indirectCallCount++, program));
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AsmFragmentCodeGenerator.generateAsm(asm, AsmFragmentInstanceSpecBuilder.call(call, indirectCallCount++, program), program);
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if(!(procedureRVal instanceof ProcedureRef)) {
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asm.getCurrentChunk().setClobberOverwrite(CpuClobber.CLOBBER_ALL);
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}
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} else if(statement instanceof StatementExprSideEffect) {
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generateAsm(asm, AsmFragmentInstanceSpecBuilder.exprSideEffect((StatementExprSideEffect) statement, program));
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AsmFragmentCodeGenerator.generateAsm(asm, AsmFragmentInstanceSpecBuilder.exprSideEffect((StatementExprSideEffect) statement, program), program);
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} else if(statement instanceof StatementReturn) {
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Procedure procedure = null;
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ScopeRef scope = block.getScope();
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@ -953,40 +950,6 @@ public class Pass4CodeGeneration {
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}
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}
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/**
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* Generate ASM code for an ASM fragment instance
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*
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* @param asm The ASM program to generate into
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* @param fragmentInstanceSpec The ASM fragment instance specification
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*/
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private void generateAsm(AsmProgram asm, AsmFragmentInstanceSpec fragmentInstanceSpec) {
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ensureEncoding(asm, fragmentInstanceSpec);
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String initialSignature = fragmentInstanceSpec.getSignature();
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AsmFragmentInstance fragmentInstance = null;
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StringBuilder fragmentVariationsTried = new StringBuilder();
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while(fragmentInstance == null) {
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try {
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final AsmFragmentTemplateSynthesizer cpuSynthesizer = program.getAsmFragmentMasterSynthesizer().getSynthesizer(program.getTargetCpu());
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fragmentInstance = cpuSynthesizer.getFragmentInstance(fragmentInstanceSpec, program.getLog());
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} catch(AsmFragmentTemplateSynthesizer.UnknownFragmentException e) {
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// Unknown fragment - keep looking through alternative ASM fragment instance specs until we have tried them all
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String signature = fragmentInstanceSpec.getSignature();
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fragmentVariationsTried.append(signature).append(" ");
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if(fragmentInstanceSpec.hasNextVariation()) {
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fragmentInstanceSpec.nextVariation();
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if(program.getLog().isVerboseFragmentLog()) {
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program.getLog().append("Fragment not found " + signature + ". Attempting another variation " + fragmentInstanceSpec.getSignature());
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}
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} else {
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// No more variations available - fail with an error
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throw new AsmFragmentTemplateSynthesizer.UnknownFragmentException("Fragment not found " + initialSignature + ". Attempted variations " + fragmentVariationsTried);
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}
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}
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}
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asm.getCurrentChunk().setFragment(fragmentInstance.getFragmentName());
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fragmentInstance.generate(asm);
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}
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/**
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* Generate exit-code for entering an interrupt procedure based on the interrupt type
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*
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@ -1006,7 +969,7 @@ public class Pass4CodeGeneration {
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}
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try {
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asm.startChunk(procedure.getRef(), null, "interrupt(" + entryName + ")");
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generateAsm(asm, entryFragment);
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AsmFragmentCodeGenerator.generateAsm(asm, entryFragment, program);
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} catch(AsmFragmentTemplateSynthesizer.UnknownFragmentException e) {
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throw new CompileError("Interrupt type not supported " + procedure.getInterruptType() + " int " + procedure + "\n" + e.getMessage());
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}
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@ -1031,7 +994,7 @@ public class Pass4CodeGeneration {
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}
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asm.startChunk(procedure.getRef(), null, "interrupt(" + entryName + ")");
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try {
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generateAsm(asm, entryFragment);
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AsmFragmentCodeGenerator.generateAsm(asm, entryFragment, program);
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} catch(AsmFragmentTemplateSynthesizer.UnknownFragmentException e) {
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throw new CompileError("Interrupt type not supported " + procedure.getInterruptType() + " int " + procedure + "\n" + e.getMessage());
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}
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@ -1110,7 +1073,7 @@ public class Pass4CodeGeneration {
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if(isRegisterCopy(lValue, rValue)) {
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asm.getCurrentChunk().setFragment("register_copy");
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} else {
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generateAsm(asm, AsmFragmentInstanceSpecBuilder.assignment(lValue, rValue, program, scope));
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AsmFragmentCodeGenerator.generateAsm(asm, AsmFragmentInstanceSpecBuilder.assignment(lValue, rValue, program, scope), program);
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}
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}
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transitionSetGenerated(transition);
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@ -1119,57 +1082,6 @@ public class Pass4CodeGeneration {
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}
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}
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/**
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* Ensure that the current encoding in the ASM matches any encoding in the data to be emitted
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*
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* @param asm The ASM program (where any .encoding directive will be emitted)
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* @param asmFragmentInstance The ASM fragment to be emitted
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*/
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private static void ensureEncoding(AsmProgram asm, AsmFragmentInstanceSpec asmFragmentInstance) {
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asm.ensureEncoding(getEncoding(asmFragmentInstance));
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}
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private static void ensureEncoding(AsmProgram asm, Value value) {
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asm.ensureEncoding(getEncoding(value));
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}
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/**
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* Examine a constantvalue to see if any string encoding information is present
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*
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* @param value The constant to examine
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* @return Any encoding found inside the constant
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*/
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private static Set<StringEncoding> getEncoding(Value value) {
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LinkedHashSet<StringEncoding> encodings = new LinkedHashSet<>();
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ProgramValue programValue = new ProgramValue.GenericValue(value);
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ProgramValueHandler handler = (ProgramValue pVal, Statement currentStmt, ListIterator<Statement> stmtIt, ControlFlowBlock currentBlock) -> {
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Value val = pVal.get();
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if(val instanceof ConstantChar) {
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encodings.add(((ConstantChar) val).getEncoding());
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} else if(val instanceof ConstantString) {
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encodings.add(((ConstantString) val).getEncoding());
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}
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};
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ProgramValueIterator.execute(programValue, handler, null, null, null);
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return encodings;
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}
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|
||||
/**
|
||||
* Examine an ASM fragment to see if any string encoding information is present
|
||||
*
|
||||
* @param asmFragmentInstance The asm fragment instance to examine
|
||||
* @return Any encoding found inside the constant
|
||||
*/
|
||||
private static Set<StringEncoding> getEncoding(AsmFragmentInstanceSpec asmFragmentInstance) {
|
||||
LinkedHashSet<StringEncoding> encodings = new LinkedHashSet<>();
|
||||
Map<String, Value> bindings = asmFragmentInstance.getBindings();
|
||||
for(Value boundValue : bindings.values()) {
|
||||
encodings.addAll(getEncoding(boundValue));
|
||||
}
|
||||
return encodings;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get phi transitions for a specific to-block.
|
||||
*
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user