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avoid using runtime-generated thunks for bootimage native methods

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This commit is contained in:
Joel Dice 2011-10-03 08:05:49 -06:00
parent 5c39819cf0
commit 8501ce8711
1 changed files with 17 additions and 11 deletions
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28
src/compile.cpp
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@ -2274,7 +2274,7 @@ uintptr_t
methodAddress(Thread* t, object method)
{
if (methodFlags(t, method) & ACC_NATIVE) {
return nativeThunk(static_cast<MyThread*>(t));
return bootNativeThunk(static_cast<MyThread*>(t));
} else {
return methodCompiled(t, method);
}
@ -8826,6 +8826,10 @@ class MyProcessor: public Processor {
local::compileThunks(static_cast<MyThread*>(t), &codeAllocator);
if (not (image and code)) {
bootThunks = thunks;
}
segFaultHandler.m = t->m;
expect(t, t->m->system->success
(t->m->system->handleSegFault(&segFaultHandler)));
@ -8915,20 +8919,22 @@ compileMethod2(MyThread* t, void* ip)
compile(t, codeAllocator(t), 0, target);
uintptr_t address;
if ((methodFlags(t, target) & ACC_NATIVE)
and useLongJump(t, reinterpret_cast<uintptr_t>(ip)))
{
address = bootNativeThunk(t);
} else {
address = methodAddress(t, target);
}
uint8_t* updateIp = static_cast<uint8_t*>(ip);
MyProcessor* p = processor(t);
if (updateIp < p->codeImage or updateIp >= p->codeImage + p->codeImageSize) {
bool updateCaller = updateIp < p->codeImage
or updateIp >= p->codeImage + p->codeImageSize;
uintptr_t address;
if (methodFlags(t, target) & ACC_NATIVE) {
address = useLongJump(t, reinterpret_cast<uintptr_t>(ip))
or (not updateCaller) ? bootNativeThunk(t) : nativeThunk(t);
} else {
address = methodAddress(t, target);
}
if (updateCaller) {
UnaryOperation op;
if (callNodeFlags(t, node) & TraceElement::LongCall) {
if (callNodeFlags(t, node) & TraceElement::TailCall) {