Examples with WasmGlobal org.graalvm.wasm.globals.WasmGlobal used on opensource projects

Example 1 with WasmGlobal

use of org.graalvm.wasm.globals.WasmGlobal in project graal by oracle.

the class WebAssembly method globalWrite.

private static Object globalWrite(Object[] args) {
    checkArgumentCount(args, 2);
    if (!(args[0] instanceof WasmGlobal)) {
        throw new WasmJsApiException(WasmJsApiException.Kind.TypeError, "First argument must be wasm global");
    }
    WasmGlobal global = (WasmGlobal) args[0];
    return globalWrite(global, args[1]);
}

Example 2 with WasmGlobal

use of org.graalvm.wasm.globals.WasmGlobal in project graal by oracle.

the class WebAssembly method readModuleImports.

private static HashMap<String, ImportModule> readModuleImports(WasmModule module, Object importObject) {
    CompilerAsserts.neverPartOfCompilation();
    final Sequence<ModuleImportDescriptor> imports = moduleImports(module);
    if (imports.getArraySize() != 0 && importObject == null) {
        throw new WasmJsApiException(WasmJsApiException.Kind.TypeError, "Module requires imports, but import object is undefined.");
    }
    HashMap<String, ImportModule> importModules = new HashMap<>();
    final InteropLibrary lib = InteropLibrary.getUncached();
    try {
        int i = 0;
        while (i < imports.getArraySize()) {
            final ModuleImportDescriptor d = (ModuleImportDescriptor) imports.readArrayElement(i);
            final Object importedModule = getMember(importObject, d.module());
            final Object member = getMember(importedModule, d.name());
            switch(d.kind()) {
                case function:
                    if (!lib.isExecutable(member)) {
                        throw new WasmJsApiException(WasmJsApiException.Kind.LinkError, "Member " + member + " is not callable.");
                    }
                    WasmFunction f = module.importedFunction(d.name());
                    ensureImportModule(importModules, d.module()).addFunction(d.name(), Pair.create(f, member));
                    break;
                case memory:
                    if (!(member instanceof WasmMemory)) {
                        throw new WasmJsApiException(WasmJsApiException.Kind.LinkError, "Member " + member + " is not a valid memory.");
                    }
                    ensureImportModule(importModules, d.module()).addMemory(d.name(), (WasmMemory) member);
                    break;
                case table:
                    if (!(member instanceof WasmTable)) {
                        throw new WasmJsApiException(WasmJsApiException.Kind.LinkError, "Member " + member + " is not a valid table.");
                    }
                    ensureImportModule(importModules, d.module()).addTable(d.name(), (WasmTable) member);
                    break;
                case global:
                    if (!(member instanceof WasmGlobal)) {
                        throw new WasmJsApiException(WasmJsApiException.Kind.LinkError, "Member " + member + " is not a valid global.");
                    }
                    ensureImportModule(importModules, d.module()).addGlobal(d.name(), (WasmGlobal) member);
                    break;
                default:
                    throw WasmException.create(Failure.UNSPECIFIED_INTERNAL, "Unimplemented case: " + d.kind());
            }
            i += 1;
        }
    } catch (InvalidArrayIndexException | UnknownIdentifierException | ClassCastException | UnsupportedMessageException e) {
        throw WasmException.create(Failure.UNSPECIFIED_INTERNAL, "Unexpected state.");
    }
    return importModules;
}

Example 3 with WasmGlobal

use of org.graalvm.wasm.globals.WasmGlobal in project graal by oracle.

the class WebAssembly method globalRead.

private static Object globalRead(Object[] args) {
    checkArgumentCount(args, 1);
    if (!(args[0] instanceof WasmGlobal)) {
        throw new WasmJsApiException(WasmJsApiException.Kind.TypeError, "First argument must be wasm global");
    }
    WasmGlobal global = (WasmGlobal) args[0];
    return globalRead(global);
}

Example 4 with WasmGlobal

use of org.graalvm.wasm.globals.WasmGlobal in project graal by oracle.

the class WasmJsApiSuite method testInstantiateWithExportGlobal.

@Test
public void testInstantiateWithExportGlobal() throws IOException {
    runTest(context -> {
        final WebAssembly wasm = new WebAssembly(context);
        final WasmInstance instance = moduleInstantiate(wasm, binaryWithGlobalExport, null);
        try {
            final WasmGlobal global = (WasmGlobal) WebAssembly.instanceExport(instance, "exportedGlobal");
            Assert.assertEquals("Exported global must be 1096.", 1096, global.loadAsInt());
            final Object setGlobal = WebAssembly.instanceExport(instance, "setGlobal");
            final Object getGlobal = WebAssembly.instanceExport(instance, "getGlobal");
            InteropLibrary interop = InteropLibrary.getUncached();
            final Object result1 = interop.execute(getGlobal);
            Assert.assertEquals("Must be 2345 initially.", 2345, interop.asInt(result1));
            interop.execute(setGlobal, 25);
            final Object result2 = interop.execute(getGlobal);
            Assert.assertEquals("Must be 25 later.", 25, interop.asInt(result2));
        } catch (InteropException e) {
            throw new RuntimeException(e);
        }
    });
}

Example 5 with WasmGlobal

use of org.graalvm.wasm.globals.WasmGlobal in project graal by oracle.

the class GlobalRegistry method storeLong.

public void storeLong(int address, long value) {
    if (address < 0) {
        final WasmGlobal global = externalGlobals[-address - 1];
        global.storeLong(value);
    } else {
        globals[address] = value;
    }
}