Examples with NodeSourcePosition org.graalvm.compiler.graph.NodeSourcePosition used on opensource projects

Example 1 with NodeSourcePosition

use of org.graalvm.compiler.graph.NodeSourcePosition in project graal by oracle.

the class GraphUtil method approxSourceStackTraceElement.

/**
 * Gets an approximate source code location for a node if possible.
 *
 * @return the StackTraceElements if an approximate source location is found, null otherwise
 */
public static StackTraceElement[] approxSourceStackTraceElement(Node node) {
    NodeSourcePosition position = node.getNodeSourcePosition();
    if (position != null) {
        // positions.
        return approxSourceStackTraceElement(position);
    }
    ArrayList<StackTraceElement> elements = new ArrayList<>();
    Node n = node;
    while (n != null) {
        if (n instanceof MethodCallTargetNode) {
            elements.add(((MethodCallTargetNode) n).targetMethod().asStackTraceElement(-1));
            n = ((MethodCallTargetNode) n).invoke().asNode();
        }
        if (n instanceof StateSplit) {
            FrameState state = ((StateSplit) n).stateAfter();
            elements.addAll(Arrays.asList(approxSourceStackTraceElement(state)));
            break;
        }
        n = n.predecessor();
    }
    return elements.toArray(new StackTraceElement[elements.size()]);
}

Example 2 with NodeSourcePosition

use of org.graalvm.compiler.graph.NodeSourcePosition in project graal by oracle.

the class HotSpotDebugInfoBuilder method raiseInvalidFrameStateError.

protected void raiseInvalidFrameStateError(FrameState state) throws GraalGraphError {
    // This is a hard error since an incorrect state could crash hotspot
    NodeSourcePosition sourcePosition = state.getNodeSourcePosition();
    List<String> context = new ArrayList<>();
    ResolvedJavaMethod replacementMethodWithProblematicSideEffect = null;
    if (sourcePosition != null) {
        NodeSourcePosition pos = sourcePosition;
        while (pos != null) {
            StringBuilder sb = new StringBuilder("parsing ");
            ResolvedJavaMethod method = pos.getMethod();
            MetaUtil.appendLocation(sb, method, pos.getBCI());
            if (method.getAnnotation(MethodSubstitution.class) != null || method.getAnnotation(Snippet.class) != null) {
                replacementMethodWithProblematicSideEffect = method;
            }
            context.add(sb.toString());
            pos = pos.getCaller();
        }
    }
    String message = "Invalid frame state " + state;
    if (replacementMethodWithProblematicSideEffect != null) {
        message += " associated with a side effect in " + replacementMethodWithProblematicSideEffect.format("%H.%n(%p)") + " at a position that cannot be deoptimized to";
    }
    GraalGraphError error = new GraalGraphError(message);
    for (String c : context) {
        error.addContext(c);
    }
    throw error;
}

Example 3 with NodeSourcePosition

use of org.graalvm.compiler.graph.NodeSourcePosition in project graal by oracle.

the class SnippetTemplate method inlineSnippet.

private UnmodifiableEconomicMap<Node, Node> inlineSnippet(Node replacee, DebugContext debug, StructuredGraph replaceeGraph, EconomicMap<Node, Node> replacements) {
    Mark mark = replaceeGraph.getMark();
    try (InliningLog.UpdateScope scope = replaceeGraph.getInliningLog().openUpdateScope((oldNode, newNode) -> {
        InliningLog log = replaceeGraph.getInliningLog();
        if (oldNode == null) {
            log.trackNewCallsite(newNode);
        }
    })) {
        UnmodifiableEconomicMap<Node, Node> duplicates = replaceeGraph.addDuplicates(nodes, snippet, snippet.getNodeCount(), replacements);
        if (scope != null) {
            replaceeGraph.getInliningLog().addLog(duplicates, snippet.getInliningLog());
        }
        NodeSourcePosition position = replacee.getNodeSourcePosition();
        InliningUtil.updateSourcePosition(replaceeGraph, duplicates, mark, position, true);
        debug.dump(DebugContext.DETAILED_LEVEL, replaceeGraph, "After inlining snippet %s", snippet.method());
        return duplicates;
    }
}

Example 4 with NodeSourcePosition

use of org.graalvm.compiler.graph.NodeSourcePosition in project graal by oracle.

the class SnippetRuntime method deoptimize.

/**
 * Foreign call: {@link #DEOPTIMIZE}.
 */
@SubstrateForeignCallTarget
private static void deoptimize(long actionAndReason, SpeculationReason speculation) {
    Pointer sp = KnownIntrinsics.readCallerStackPointer();
    DeoptimizationAction action = Deoptimizer.decodeDeoptAction(actionAndReason);
    if (Deoptimizer.Options.TraceDeoptimization.getValue()) {
        Log log = Log.log().string("[Deoptimization initiated").newline();
        CodePointer ip = KnownIntrinsics.readReturnAddress();
        SubstrateInstalledCode installedCode = CodeInfoTable.lookupInstalledCode(ip);
        if (installedCode != null) {
            log.string("    name: ").string(installedCode.getName()).newline();
        }
        log.string("    sp: ").hex(sp).string("  ip: ").hex(ip).newline();
        DeoptimizationReason reason = Deoptimizer.decodeDeoptReason(actionAndReason);
        log.string("    reason: ").string(reason.toString()).string("  action: ").string(action.toString()).newline();
        int debugId = Deoptimizer.decodeDebugId(actionAndReason);
        log.string("    debugId: ").signed(debugId).string("  speculation: ").string(Objects.toString(speculation)).newline();
        CodeInfoQueryResult info = CodeInfoTable.lookupCodeInfoQueryResult(ip);
        if (info != null) {
            NodeSourcePosition sourcePosition = DeoptimizationSourcePositionDecoder.decode(debugId, info);
            if (sourcePosition != null) {
                log.string("    stack trace that triggered deoptimization:").newline();
                NodeSourcePosition cur = sourcePosition;
                while (cur != null) {
                    log.string("        at ");
                    if (cur.getMethod() != null) {
                        StackTraceElement element = cur.getMethod().asStackTraceElement(cur.getBCI());
                        if (element.getFileName() != null && element.getLineNumber() >= 0) {
                            log.string(element.toString());
                        } else {
                            log.string(cur.getMethod().format("%H.%n(%p)")).string(" bci ").signed(cur.getBCI());
                        }
                    } else {
                        log.string("[unknown method]");
                    }
                    log.newline();
                    cur = cur.getCaller();
                }
            }
        }
    }
    if (action.doesInvalidateCompilation()) {
        Deoptimizer.invalidateMethodOfFrame(sp, speculation);
    } else {
        Deoptimizer.deoptimizeFrame(sp, false, speculation);
    }
    if (Deoptimizer.Options.TraceDeoptimization.getValue()) {
        Log.log().string("]").newline();
    }
}

Example 5 with NodeSourcePosition

use of org.graalvm.compiler.graph.NodeSourcePosition in project graal by oracle.

the class PointsToStats method formatSource.

private static String formatSource(TypeFlow<?> flow) {
    Object source = flow.getSource();
    if (source instanceof ValueNode) {
        ValueNode node = (ValueNode) source;
        NodeSourcePosition nodeSource = node.getNodeSourcePosition();
        if (nodeSource != null) {
            return formatMethod(nodeSource.getMethod()) + ":" + nodeSource.getBCI();
        } else if (flow.graphRef() != null) {
            return formatMethod(flow.graphRef().getMethod());
        } else {
            return "<unknown-source>";
        }
    } else if (source instanceof AnalysisType) {
        return formatType((AnalysisType) source);
    } else if (source instanceof AnalysisField) {
        return formatField((AnalysisField) source);
    } else if (source == null) {
        return "<no-source>";
    } else {
        return source.getClass().getSimpleName();
    }
}