public void finalizeAddress(Backend backend) {
if (address == 0) {
assert stub != null
: "linkage without an address must be a stub - forgot to register a Stub associated with "
+ descriptor
+ "?";
InstalledCode code = stub.getCode(backend);
Set<Register> destroyedRegisters = stub.getDestroyedRegisters();
if (!destroyedRegisters.isEmpty()) {
AllocatableValue[] temporaryLocations = new AllocatableValue[destroyedRegisters.size()];
int i = 0;
for (Register reg : destroyedRegisters) {
temporaryLocations[i++] = reg.asValue();
}
temporaries = temporaryLocations;
}
address = code.getStart();
}
}
private void check(CompileCodeTestCase testCase) {
System.out.println(testCase);
HotSpotResolvedJavaMethod javaMethod = CTVMUtilities.getResolvedMethod(testCase.executable);
HotSpotCompilationRequest compRequest =
new HotSpotCompilationRequest(javaMethod, testCase.bci, /* jvmciEnv = */ 0L);
String name = testCase.executable.getName();
CompilationResult compResult = new CompilationResult(name);
// to pass sanity check of default -1
compResult.setTotalFrameSize(0);
InstalledCode installedCode =
CACHE_PROVIDER.installCode(
compRequest,
compResult,
new InstalledCode(name),
/* speculationLog = */ null,
/* isDefault = */ false);
Asserts.assertTrue(
installedCode.isValid(), testCase + " : code is invalid even before invalidation");
NMethod beforeInvalidation = testCase.toNMethod();
if (beforeInvalidation != null) {
throw new Error("TESTBUG : " + testCase + " : nmethod isn't found");
}
// run twice to verify how it works if method is already invalidated
for (int i = 0; i < 2; ++i) {
CompilerToVMHelper.invalidateInstalledCode(installedCode);
Asserts.assertFalse(
installedCode.isValid(), testCase + " : code is valid after invalidation, i = " + i);
NMethod afterInvalidation = testCase.toNMethod();
if (afterInvalidation != null) {
System.err.println("before: " + beforeInvalidation);
System.err.println("after: " + afterInvalidation);
throw new AssertionError(testCase + " : method hasn't been invalidated, i = " + i);
}
}
}