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handle case of visiting thread when it is executing one of the transition procedures

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This commit is contained in:
Joel Dice 2008-04-22 09:31:40 -06:00
parent df5258d1d8
commit c7d679467f
1 changed files with 32 additions and 0 deletions
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32
src/compile.cpp
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@ -4689,6 +4689,11 @@ class SegFaultHandler: public System::SignalHandler {
Machine* m;
};
class MyProcessor;
MyProcessor*
processor(MyThread* t);
class MyProcessor: public Processor {
public:
class CodeAllocator: public Allocator {
@ -5000,6 +5005,9 @@ class MyProcessor: public Processor {
MyThread* t = static_cast<MyThread*>(vmt);
MyThread* target = static_cast<MyThread*>(vmTarget);
processor(t)->getDefaultCompiled(t);
processor(t)->getNativeCompiled(t);
class Visitor: public System::ThreadVisitor {
public:
Visitor(MyThread* t, MyThread* target): t(t), target(target) { }
@ -5015,6 +5023,30 @@ class MyProcessor: public Processor {
target->ip = ip;
target->base = base;
target->stack = stack;
} else {
MyProcessor* p = processor(t);
uint8_t* default_ = reinterpret_cast<uint8_t*>
(&singletonValue(t, p->defaultCompiled, 0));
unsigned defaultSize = singletonLength(t, p->defaultCompiled);
uint8_t* native = reinterpret_cast<uint8_t*>
(&singletonValue(t, p->nativeCompiled, 0));
unsigned nativeSize = singletonLength(t, p->nativeCompiled);
if ((static_cast<uint8_t*>(ip) >= p->indirectCaller
and static_cast<uint8_t*>(ip)
< p->indirectCaller + p->indirectCallerSize)
or (static_cast<uint8_t*>(ip) >= default_
and static_cast<uint8_t*>(ip) < default_ + defaultSize)
or (static_cast<uint8_t*>(ip) >= native
and static_cast<uint8_t*>(ip) < native + nativeSize))
{
target->base = base;
target->stack = stack;
}
}
t->tracing = true;