Examples with Infopoint jdk.vm.ci.code.site.Infopoint used on opensource projects

Example 6 with Infopoint

use of jdk.vm.ci.code.site.Infopoint in project graal by oracle.

the class CollectingObjectReferenceVisitor method verifyMethod.

protected void verifyMethod(CompilationResult compilation, int compilationOffset) {
    for (int relativeIP = 0; relativeIP < compilation.getTargetCodeSize(); relativeIP++) {
        int totalIP = relativeIP + compilationOffset;
        CodeInfoQueryResult codeInfo = new CodeInfoQueryResult();
        lookupCodeInfo(totalIP, codeInfo);
        assert codeInfo.getTotalFrameSize() == compilation.getTotalFrameSize();
        assert lookupTotalFrameSize(totalIP) == codeInfo.getTotalFrameSize();
        assert lookupExceptionOffset(totalIP) == codeInfo.getExceptionOffset();
        assert lookupReferenceMapIndex(totalIP) == codeInfo.getReferenceMapIndex();
        assert getReferenceMapEncoding() == codeInfo.getReferenceMapEncoding();
    }
    for (Infopoint infopoint : compilation.getInfopoints()) {
        if (infopoint.debugInfo != null) {
            int offset = CodeInfoEncoder.getEntryOffset(infopoint);
            if (offset >= 0) {
                assert offset < compilation.getTargetCodeSize();
                CodeInfoQueryResult codeInfo = new CodeInfoQueryResult();
                lookupCodeInfo(offset + compilationOffset, codeInfo);
                CollectingObjectReferenceVisitor visitor = new CollectingObjectReferenceVisitor();
                ReferenceMapDecoder.walkOffsetsFromPointer(WordFactory.zero(), codeInfo.getReferenceMapEncoding(), codeInfo.getReferenceMapIndex(), visitor);
                ReferenceMapEncoder.Input expected = (ReferenceMapEncoder.Input) infopoint.debugInfo.getReferenceMap();
                assert expected.equals(visitor.result);
                if (codeInfo.frameInfo != CodeInfoQueryResult.NO_FRAME_INFO) {
                    verifyFrame(compilation, infopoint.debugInfo.frame(), codeInfo.frameInfo, new BitSet());
                }
            }
        }
    }
    for (ExceptionHandler handler : compilation.getExceptionHandlers()) {
        int offset = handler.pcOffset;
        assert offset >= 0 && offset < compilation.getTargetCodeSize();
        long actual = lookupExceptionOffset(offset + compilationOffset);
        long expected = handler.handlerPos - handler.pcOffset;
        assert expected != 0;
        assert expected == actual;
    }
}

Example 7 with Infopoint

use of jdk.vm.ci.code.site.Infopoint in project graal by oracle.

the class HexCodeFileDisassemblerProvider method disassemble.

private static String disassemble(CodeCacheProvider codeCache, CompilationResult compResult, InstalledCode installedCode) {
    TargetDescription target = codeCache.getTarget();
    RegisterConfig regConfig = codeCache.getRegisterConfig();
    byte[] code = installedCode == null ? Arrays.copyOf(compResult.getTargetCode(), compResult.getTargetCodeSize()) : installedCode.getCode();
    if (code == null) {
        // Method was deoptimized/invalidated
        return "";
    }
    long start = installedCode == null ? 0L : installedCode.getStart();
    HexCodeFile hcf = new HexCodeFile(code, start, target.arch.getName(), target.wordSize * 8);
    if (compResult != null) {
        HexCodeFile.addAnnotations(hcf, compResult.getAnnotations());
        addExceptionHandlersComment(compResult, hcf);
        Register fp = regConfig.getFrameRegister();
        RefMapFormatter slotFormatter = new DefaultRefMapFormatter(target.wordSize, fp, 0);
        for (Infopoint infopoint : compResult.getInfopoints()) {
            if (infopoint instanceof Call) {
                Call call = (Call) infopoint;
                if (call.debugInfo != null) {
                    hcf.addComment(call.pcOffset + call.size, CodeUtil.append(new StringBuilder(100), call.debugInfo, slotFormatter).toString());
                }
                addOperandComment(hcf, call.pcOffset, "{" + codeCache.getTargetName(call) + "}");
            } else {
                if (infopoint.debugInfo != null) {
                    hcf.addComment(infopoint.pcOffset, CodeUtil.append(new StringBuilder(100), infopoint.debugInfo, slotFormatter).toString());
                }
                addOperandComment(hcf, infopoint.pcOffset, "{infopoint: " + infopoint.reason + "}");
            }
        }
        for (DataPatch site : compResult.getDataPatches()) {
            hcf.addOperandComment(site.pcOffset, "{" + site.reference.toString() + "}");
        }
        for (Mark mark : compResult.getMarks()) {
            hcf.addComment(mark.pcOffset, codeCache.getMarkName(mark));
        }
    }
    String hcfEmbeddedString = hcf.toEmbeddedString();
    return HexCodeFileDisTool.tryDisassemble(hcfEmbeddedString);
}

Example 8 with Infopoint

use of jdk.vm.ci.code.site.Infopoint in project graal by oracle.

the class CompileQueue method verifyDeoptTarget.

private static boolean verifyDeoptTarget(HostedMethod method, CompilationResult result) {
    Map<Long, BytecodeFrame> encodedBciMap = new HashMap<>();
    /*
         * All deopt targets must have a graph.
         */
    assert method.compilationInfo.graph != null : "Deopt target must have a graph.";
    /*
         * No deopt targets can have a StackValueNode in the graph.
         */
    assert method.compilationInfo.graph.getNodes(StackValueNode.TYPE).isEmpty() : "No stack value nodes must be present in deopt target.";
    for (Infopoint infopoint : result.getInfopoints()) {
        if (infopoint.debugInfo != null) {
            DebugInfo debugInfo = infopoint.debugInfo;
            if (!debugInfo.hasFrame()) {
                continue;
            }
            BytecodeFrame topFrame = debugInfo.frame();
            BytecodeFrame rootFrame = topFrame;
            while (rootFrame.caller() != null) {
                rootFrame = rootFrame.caller();
            }
            assert rootFrame.getMethod().equals(method);
            boolean isDeoptEntry = method.compilationInfo.isDeoptEntry(rootFrame.getBCI(), rootFrame.duringCall, rootFrame.rethrowException);
            if (infopoint instanceof DeoptEntryInfopoint) {
                assert isDeoptEntry;
            } else if (rootFrame.duringCall && isDeoptEntry) {
                assert infopoint instanceof Call || isSingleSteppingInfopoint(infopoint);
            } else {
                continue;
            }
            long encodedBci = FrameInfoEncoder.encodeBci(rootFrame.getBCI(), rootFrame.duringCall, rootFrame.rethrowException);
            if (encodedBciMap.containsKey(encodedBci)) {
                assert encodedBciMap.get(encodedBci).equals(rootFrame) : "duplicate encoded bci " + encodedBci + " in deopt target " + method + " with different debug info:\n\n" + rootFrame + "\n\n" + encodedBciMap.get(encodedBci);
            }
            encodedBciMap.put(encodedBci, rootFrame);
        }
    }
    return true;
}

Example 9 with Infopoint

use of jdk.vm.ci.code.site.Infopoint in project graal by oracle.

the class CompileQueue method defaultCompileFunction.

@SuppressWarnings("try")
private CompilationResult defaultCompileFunction(DebugContext debug, HostedMethod method, CompilationIdentifier compilationIdentifier, CompileReason reason, RuntimeConfiguration config) {
    if (NativeImageOptions.PrintAOTCompilation.getValue()) {
        System.out.println("Compiling " + method.format("%r %H.%n(%p)") + "  [" + reason + "]");
    }
    Backend backend = config.lookupBackend(method);
    StructuredGraph graph = method.compilationInfo.graph;
    assert graph != null : method;
    /* Operate on a copy, to keep the original graph intact for later inlining. */
    graph = graph.copyWithIdentifier(compilationIdentifier, debug);
    /* Check that graph is in good shape before compilation. */
    assert GraphOrder.assertSchedulableGraph(graph);
    try (DebugContext.Scope s = debug.scope("Compiling", graph, method, this)) {
        if (deoptimizeAll && method.compilationInfo.canDeoptForTesting) {
            insertDeoptTests(method, graph);
        }
        method.compilationInfo.numNodesBeforeCompilation = graph.getNodeCount();
        method.compilationInfo.numDeoptEntryPoints = graph.getNodes().filter(DeoptEntryNode.class).count();
        method.compilationInfo.numDuringCallEntryPoints = graph.getNodes(MethodCallTargetNode.TYPE).snapshot().stream().map(MethodCallTargetNode::invoke).filter(invoke -> method.compilationInfo.isDeoptEntry(invoke.bci(), true, false)).count();
        Suites suites = method.compilationInfo.isDeoptTarget() ? deoptTargetSuites : regularSuites;
        LIRSuites lirSuites = method.compilationInfo.isDeoptTarget() ? deoptTargetLIRSuites : regularLIRSuites;
        CompilationResult result = new CompilationResult(compilationIdentifier, method.format("%H.%n(%p)")) {

            @Override
            public void close() {
            /*
                     * Do nothing, we do not want our CompilationResult to be closed because we
                     * aggregate all data items and machine code in the native image heap.
                     */
            }
        };
        try (Indent indent = debug.logAndIndent("compile %s", method)) {
            GraalCompiler.compileGraph(graph, method, backend.getProviders(), backend, null, optimisticOpts, method.getProfilingInfo(), suites, lirSuites, result, new HostedCompilationResultBuilderFactory());
        }
        method.getProfilingInfo().setCompilerIRSize(StructuredGraph.class, method.compilationInfo.graph.getNodeCount());
        method.compilationInfo.numNodesAfterCompilation = graph.getNodeCount();
        if (method.compilationInfo.isDeoptTarget()) {
            assert verifyDeoptTarget(method, result);
        }
        for (Infopoint infopoint : result.getInfopoints()) {
            if (infopoint instanceof Call) {
                Call call = (Call) infopoint;
                HostedMethod callTarget = (HostedMethod) call.target;
                if (call.direct) {
                    ensureCompiled(callTarget, new DirectCallReason(method, reason));
                } else if (callTarget != null && callTarget.getImplementations() != null) {
                    for (HostedMethod impl : callTarget.getImplementations()) {
                        ensureCompiled(impl, new VirtualCallReason(method, callTarget, reason));
                    }
                }
            }
        }
        /* Shrink resulting code array to minimum size, to reduze memory footprint. */
        if (result.getTargetCode().length > result.getTargetCodeSize()) {
            result.setTargetCode(Arrays.copyOf(result.getTargetCode(), result.getTargetCodeSize()), result.getTargetCodeSize());
        }
        return result;
    } catch (Throwable ex) {
        GraalError error = ex instanceof GraalError ? (GraalError) ex : new GraalError(ex);
        error.addContext("method: " + method.format("%r %H.%n(%p)") + "  [" + reason + "]");
        throw error;
    }
}

Example 10 with Infopoint

use of jdk.vm.ci.code.site.Infopoint in project graal by oracle.

the class NativeImageCodeCache method patchMethods.

/**
 * Patch references from code to other code and constant data. Generate relocation information
 * in the process. More patching can be done, and correspondingly fewer relocation records
 * generated, if the caller passes a non-null rodataDisplacementFromText.
 *
 * @param relocs a relocation map
 */
public void patchMethods(RelocatableBuffer relocs) {
    // in each compilation result...
    for (Entry<HostedMethod, CompilationResult> entry : compilations.entrySet()) {
        HostedMethod method = entry.getKey();
        CompilationResult compilation = entry.getValue();
        // the codecache-relative offset of the compilation
        int compStart = method.getCodeAddressOffset();
        AMD64InstructionPatcher patcher = new AMD64InstructionPatcher(compilation);
        // ... patch direct call sites.
        for (Infopoint infopoint : compilation.getInfopoints()) {
            if (infopoint instanceof Call && ((Call) infopoint).direct) {
                Call call = (Call) infopoint;
                // NOTE that for the moment, we don't make static calls to external
                // (e.g. native) functions. So every static call site has a target
                // which is also in the code cache (a.k.a. a section-local call).
                // This will change, and we will have to case-split here... but not yet.
                int callTargetStart = ((HostedMethod) call.target).getCodeAddressOffset();
                // Patch a PC-relative call.
                // This code handles the case of section-local calls only.
                int pcDisplacement = callTargetStart - (compStart + call.pcOffset);
                patcher.findPatchData(call.pcOffset, pcDisplacement).apply(compilation.getTargetCode());
            }
        }
        // ... and patch references to constant data
        for (DataPatch dataPatch : compilation.getDataPatches()) {
            /*
                 * Constants are allocated offsets in a separate space, which can be emitted as
                 * read-only (.rodata) section.
                 */
            AMD64InstructionPatcher.PatchData patchData = patcher.findPatchData(dataPatch.pcOffset, 0);
            /*
                 * The relocation site is some offset into the instruction, which is some offset
                 * into the method, which is some offset into the text section (a.k.a. code cache).
                 * The offset we get out of the RelocationSiteInfo accounts for the first two, since
                 * we pass it the whole method. We add the method start to get the section-relative
                 * offset.
                 */
            long siteOffset = compStart + patchData.operandPosition;
            /*
                 * Do we have an addend? Yes; it's constStart. BUT x86/x86-64 PC-relative references
                 * are relative to the *next* instruction. So, if the next instruction starts n
                 * bytes from the relocation site, we want to subtract n bytes from our addend.
                 */
            long addend = (patchData.nextInstructionPosition - patchData.operandPosition);
            relocs.addPCRelativeRelocationWithAddend((int) siteOffset, patchData.operandSize, addend, dataPatch.reference);
        }
    }
}