Examples with SubstrateInstalledCode com.oracle.svm.core.deopt.SubstrateInstalledCode used on opensource projects

Example 1 with SubstrateInstalledCode

use of com.oracle.svm.core.deopt.SubstrateInstalledCode 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 2 with SubstrateInstalledCode

use of com.oracle.svm.core.deopt.SubstrateInstalledCode in project graal by oracle.

the class RuntimeCodeInfoMemoryWalkerAccessFeature method logMethod.

private static void logMethod(Log log, RuntimeMethodInfo methodInfo) {
    log.string(methodInfo.name);
    log.string("  ip: ").hex(methodInfo.getCodeStart()).string(" - ").hex(methodInfo.getCodeEnd());
    log.string("  size: ").unsigned(methodInfo.getCodeSize());
    SubstrateInstalledCode installedCode = methodInfo.installedCode.get();
    if (installedCode != null) {
        log.string("  installedCode: ").object(installedCode).string(" at ").hex(installedCode.getAddress());
    } else {
        log.string("  (invalidated)");
    }
}

Example 3 with SubstrateInstalledCode

use of com.oracle.svm.core.deopt.SubstrateInstalledCode in project graal by oracle.

the class RuntimeCodeInfoMemoryWalkerAccessFeature method invalidateMethod.

protected void invalidateMethod(RuntimeMethodInfo methodInfo) {
    VMOperation.guaranteeInProgress("Modifying code tables that are used by the GC");
    invalidateMethodCount.inc();
    assert verifyTable();
    if (Options.TraceCodeCache.getValue()) {
        Log.log().string("[" + INFO_INVALIDATE + " method: ");
        logMethod(Log.log(), methodInfo);
        Log.log().string("]").newline();
    }
    SubstrateInstalledCode installedCode = methodInfo.installedCode.get();
    if (installedCode != null) {
        assert !installedCode.isValid() || methodInfo.getCodeStart().rawValue() == installedCode.getAddress();
        /*
             * Until this point, the InstalledCode is valid. It can be invoked, and frames can be on
             * the stack. All the metadata must be valid until this point. Make it non-entrant,
             * i.e., ensure it cannot be invoked any more.
             */
        installedCode.clearAddress();
    }
    InstalledCodeObserverSupport.removeObservers(methodInfo.codeObserverHandles);
    /*
         * Deoptimize all invocations that are on the stack. This performs a stack walk, so all
         * metadata must be intact (even though the method was already marked as non-invokable).
         */
    Deoptimizer.deoptimizeInRange(methodInfo.getCodeStart(), methodInfo.getCodeEnd(), false);
    /*
         * Now it is guaranteed that the InstalledCode is not on the stack and cannot be invoked
         * anymore, so we can free the code and all metadata.
         */
    /* Remove methodInfo entry from our table. */
    int idx = binarySearch(methodInfos, 0, numMethods, methodInfo.getCodeStart());
    assert idx >= 0 : "methodInfo must be in table";
    System.arraycopy(methodInfos, idx + 1, methodInfos, idx, numMethods - (idx + 1));
    numMethods--;
    methodInfos[numMethods] = null;
    Heap.getHeap().getGC().unregisterObjectReferenceWalker(methodInfo.constantsWalker);
    /*
         * The arrays are in a pinned chunk that probably still contains metadata for other methods
         * that are still alive. So even though we release our allocator, the arrays are not garbage
         * collected any time soon. By clearing the object arrays, we make sure that we do not keep
         * objects in the regular unpinned heap alive.
         */
    Arrays.fill(methodInfo.frameInfoObjectConstants, null);
    if (methodInfo.frameInfoSourceClassNames != null) {
        Arrays.fill(methodInfo.frameInfoSourceClassNames, null);
    }
    if (methodInfo.frameInfoSourceMethodNames != null) {
        Arrays.fill(methodInfo.frameInfoSourceMethodNames, null);
    }
    if (methodInfo.frameInfoSourceFileNames != null) {
        Arrays.fill(methodInfo.frameInfoSourceFileNames, null);
    }
    if (methodInfo.frameInfoNames != null) {
        Arrays.fill(methodInfo.frameInfoNames, null);
    }
    methodInfo.allocator.release();
    ConfigurationValues.getOSInterface().freeVirtualMemory(methodInfo.getCodeStart(), methodInfo.getCodeSize());
    if (Options.TraceCodeCache.getValue()) {
        logTable();
    }
    assert verifyTable();
}

Example 4 with SubstrateInstalledCode

use of com.oracle.svm.core.deopt.SubstrateInstalledCode in project graal by oracle.

the class SubstrateCodeCacheProvider method installCode.

@Override
@SuppressFBWarnings(value = { "BC_UNCONFIRMED_CAST" }, justification = "We know what we are doing.")
public InstalledCode installCode(ResolvedJavaMethod method, CompiledCode compiledCode, InstalledCode predefinedInstalledCode, SpeculationLog log, boolean isDefault) {
    VMError.guarantee(!isDefault);
    SubstrateInstalledCode substrateInstalledCode;
    if (predefinedInstalledCode instanceof SubstrateInstalledCode.Access) {
        substrateInstalledCode = ((SubstrateInstalledCode.Access) predefinedInstalledCode).getSubstrateInstalledCode();
    } else {
        substrateInstalledCode = (SubstrateInstalledCode) predefinedInstalledCode;
    }
    CompilationResult compResult = ((SubstrateCompiledCode) compiledCode).getCompilationResult();
    InstalledCodeBuilder builder = new InstalledCodeBuilder((SharedRuntimeMethod) method, compResult, substrateInstalledCode, null);
    builder.install();
    return predefinedInstalledCode;
}

Example 5 with SubstrateInstalledCode

use of com.oracle.svm.core.deopt.SubstrateInstalledCode in project graal by oracle.

the class InstalledCodeBuilder method getTargetCodeAddress.

private long getTargetCodeAddress(Call callInfo) {
    // NOTE that for the moment, we don't make static calls to external
    // (e.g. native) functions.
    // This will change, and we will have to case-split here... but not yet.
    SharedMethod targetMethod = (SharedMethod) callInfo.target;
    long callTargetStart = CodeInfoTable.getImageCodeCache().absoluteIP(targetMethod.getCodeOffsetInImage()).rawValue();
    if (allInstalledCode != null) {
        InstalledCodeBuilder targetInstalledCodeBuilder = allInstalledCode.get(targetMethod);
        if (targetInstalledCodeBuilder != null) {
            SubstrateInstalledCode targetInstalledCode = targetInstalledCodeBuilder.getInstalledCode();
            if (targetInstalledCode != null && targetInstalledCode.isValid()) {
                callTargetStart = targetInstalledCode.getAddress();
            }
        }
    }
    if (callTargetStart == 0) {
        throw VMError.shouldNotReachHere("target method not compiled: " + targetMethod.format("%H.%n(%p)"));
    }
    return callTargetStart;
}