Examples with SymbolImpl com.oracle.truffle.llvm.parser.model.SymbolImpl used on opensource projects

Example 16 with SymbolImpl

use of com.oracle.truffle.llvm.parser.model.SymbolImpl in project sulong by graalvm.

the class LLVMParserRuntime method getGlobalVariable.

private LLVMExpressionNode getGlobalVariable(LLVMSymbolReadResolver symbolResolver, GlobalValueSymbol global) {
    LLVMSourceSymbol sourceSymbol = null;
    SymbolImpl g = global;
    while (g instanceof GlobalAlias) {
        if (sourceSymbol == null) {
            sourceSymbol = ((GlobalAlias) g).getSourceSymbol();
        }
        g = aliases.get(g);
    }
    if (sourceSymbol == null && g instanceof GlobalValueSymbol) {
        sourceSymbol = ((GlobalValueSymbol) g).getSourceSymbol();
    }
    if (g instanceof GlobalValueSymbol) {
        final GlobalValueSymbol variable = (GlobalValueSymbol) g;
        final LLVMSourceSymbol finalSourceSymbol = sourceSymbol;
        Object globalVariableDescriptor = scope.lookupOrCreateGlobal(variable.getName(), !Linkage.isFileLocal(variable.getLinkage()), () -> {
            final Object globalValue;
            if (global instanceof GlobalVariable) {
                globalValue = nodeFactory.allocateGlobalVariable(this, (GlobalVariable) global, finalSourceSymbol);
            } else if (global instanceof GlobalConstant) {
                globalValue = nodeFactory.allocateGlobalConstant(this, (GlobalConstant) global, finalSourceSymbol);
            } else {
                throw new AssertionError("Cannot allocate global: " + global);
            }
            return globalValue;
        });
        return nodeFactory.createLiteral(this, globalVariableDescriptor, new PointerType(variable.getType()));
    } else {
        return symbolResolver.resolve(g);
    }
}

Example 17 with SymbolImpl

use of com.oracle.truffle.llvm.parser.model.SymbolImpl in project sulong by graalvm.

the class LLVMRuntimeDebugInformation method registerStaticDebugSymbols.

void registerStaticDebugSymbols(FunctionDefinition fn) {
    if (!isEnabled) {
        return;
    }
    for (SourceVariable local : fn.getSourceFunction().getVariables()) {
        if (local.isSingleDeclaration()) {
            final DbgDeclareInstruction dbg = local.getSingleDeclaration();
            FrameSlot frameSlot = null;
            if (dbg.getValue() instanceof AllocateInstruction) {
                frameSlot = frame.findFrameSlot(((AllocateInstruction) dbg.getValue()).getName());
            }
            if (frameSlot == null) {
                continue;
            }
            final LLVMSourceSymbol symbol = local.getSymbol();
            final LLVMFrameValueAccess alloc = factory.createDebugFrameValue(frameSlot, true);
            notNullableSlots.add(frameSlot);
            context.getSourceContext().registerFrameValue(symbol, alloc);
            local.addStaticValue();
        } else if (local.isSingleValue()) {
            final DbgValueInstruction dbg = local.getSingleValue();
            final MDExpression expr = dbg.getExpression();
            final SymbolImpl value = dbg.getValue();
            if (expr.getElementCount() != 0) {
                continue;
            }
            final boolean mustDereference = mustDereferenceValue(expr, local.getSourceType(), value);
            staticValueAccessVisitor.registerStaticAccess(local, value, mustDereference);
        }
    }
}