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initialize vtables with pointers to JIT function, including native methods, since this allows code shrinkers to eliminate unused methods without confusing the VM

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This commit is contained in:
Joel Dice 2008-01-20 15:05:59 -07:00
parent a60dafaf4f
commit 422133d1ba
1 changed files with 20 additions and 19 deletions
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39
src/compile.cpp
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@ -380,7 +380,9 @@ unsigned
localSize(MyThread* t, object method)
{
unsigned size = codeMaxLocals(t, methodCode(t, method));
if (methodFlags(t, method) & ACC_SYNCHRONIZED) {
if ((methodFlags(t, method) & (ACC_SYNCHRONIZED | ACC_STATIC))
== ACC_SYNCHRONIZED)
{
++ size;
}
return size;
@ -1603,8 +1605,8 @@ handleEntrance(MyThread* t, Frame* frame)
{
object method = frame->context->method;
if ((methodFlags(t, method) & ACC_SYNCHRONIZED)
and ((methodFlags(t, method) & ACC_STATIC) == 0))
if ((methodFlags(t, method) & (ACC_SYNCHRONIZED | ACC_STATIC))
== ACC_SYNCHRONIZED)
{
Compiler* c = frame->c;
@ -3974,7 +3976,7 @@ invokeNative2(MyThread* t, object method)
unsigned returnCode = methodReturnCode(t, method);
unsigned returnType = fieldType(t, returnCode);
uint64_t result;
if (DebugNatives) {
fprintf(stderr, "invoke native method %s.%s\n",
&byteArrayBody(t, className(t, methodClass(t, method)), 0),
@ -4428,14 +4430,10 @@ class MyProcessor: public Processor {
object class_,
object code)
{
object compiled
= ((flags & ACC_NATIVE)
? getNativeCompiled(static_cast<MyThread*>(t))
: getDefaultCompiled(static_cast<MyThread*>(t)));
return vm::makeMethod
(t, vmFlags, returnCode, parameterCount, parameterFootprint, flags,
offset, name, spec, class_, code, compiled);
offset, name, spec, class_, code,
getDefaultCompiled(static_cast<MyThread*>(t)));
}
virtual object
@ -4465,13 +4463,11 @@ class MyProcessor: public Processor {
virtual void
initVtable(Thread* t, object c)
{
for (unsigned i = 0; i < classLength(t, c); ++i) {
object compiled
= ((classFlags(t, c) & ACC_NATIVE)
? getNativeCompiled(static_cast<MyThread*>(t))
: getDefaultCompiled(static_cast<MyThread*>(t)));
void* compiled = &singletonBody
(t, getDefaultCompiled(static_cast<MyThread*>(t)), 0);
classVtable(t, c, i) = &singletonBody(t, compiled, 0);
for (unsigned i = 0; i < classLength(t, c); ++i) {
classVtable(t, c, i) = compiled;
}
}
@ -4715,9 +4711,14 @@ compile(MyThread* t, object method)
if (UNLIKELY(t->exception)) return;
if (methodCompiled(t, method) == p->getDefaultCompiled(t)) {
Context context(t, method, p->indirectCaller);
object compiled = compile(t, &context);
object compiled;
if (methodFlags(t, method) & ACC_NATIVE) {
compiled = p->getNativeCompiled(t);
} else {
Context context(t, method, p->indirectCaller);
compiled = compile(t, &context);
}
set(t, method, MethodCompiled, compiled);
if (methodVirtual(t, method)) {