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implement -Xss command line option

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This commit is contained in:
Joel Dice
2012-03-14 12:36:42 -06:00
parent d718bbf833
commit d78247ab9a
6 changed files with 31 additions and 18 deletions
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22
src/interpret.cpp
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@ -40,7 +40,7 @@ class Thread: public vm::Thread {
unsigned sp;
int frame;
object code;
uintptr_t stack[StackSizeInWords];
uintptr_t stack[0];
};
inline void
@ -50,7 +50,7 @@ pushObject(Thread* t, object o)
fprintf(stderr, "push object %p at %d\n", o, t->sp);
}
assert(t, t->sp + 1 < StackSizeInWords / 2);
assert(t, t->sp + 1 < stackSizeInWords(t) / 2);
t->stack[(t->sp * 2) ] = ObjectTag;
t->stack[(t->sp * 2) + 1] = reinterpret_cast<uintptr_t>(o);
++ t->sp;
@ -63,7 +63,7 @@ pushInt(Thread* t, uint32_t v)
fprintf(stderr, "push int %d at %d\n", v, t->sp);
}
assert(t, t->sp + 1 < StackSizeInWords / 2);
assert(t, t->sp + 1 < stackSizeInWords(t) / 2);
t->stack[(t->sp * 2) ] = IntTag;
t->stack[(t->sp * 2) + 1] = v;
++ t->sp;
@ -156,7 +156,7 @@ peekObject(Thread* t, unsigned index)
index);
}
assert(t, index < StackSizeInWords / 2);
assert(t, index < stackSizeInWords(t) / 2);
assert(t, t->stack[index * 2] == ObjectTag);
return *reinterpret_cast<object*>(t->stack + (index * 2) + 1);
}
@ -170,7 +170,7 @@ peekInt(Thread* t, unsigned index)
index);
}
assert(t, index < StackSizeInWords / 2);
assert(t, index < stackSizeInWords(t) / 2);
assert(t, t->stack[index * 2] == IntTag);
return t->stack[(index * 2) + 1];
}
@ -226,7 +226,7 @@ inline object*
pushReference(Thread* t, object o)
{
if (o) {
expect(t, t->sp + 1 < StackSizeInWords / 2);
expect(t, t->sp + 1 < stackSizeInWords(t) / 2);
pushObject(t, o);
return reinterpret_cast<object*>(t->stack + ((t->sp - 1) * 2) + 1);
} else {
@ -405,7 +405,7 @@ checkStack(Thread* t, object method)
+ codeMaxLocals(t, methodCode(t, method))
+ FrameFootprint
+ codeMaxStack(t, methodCode(t, method))
> StackSizeInWords / 2))
> stackSizeInWords(t) / 2))
{
throwNew(t, Machine::StackOverflowErrorType);
}
@ -2879,7 +2879,7 @@ class MyProcessor: public Processor {
virtual vm::Thread*
makeThread(Machine* m, object javaThread, vm::Thread* parent)
{
Thread* t = new (m->heap->allocate(sizeof(Thread)))
Thread* t = new (m->heap->allocate(sizeof(Thread) + m->stackSizeInBytes))
Thread(m, javaThread, parent);
t->init();
return t;
@ -2996,7 +2996,7 @@ class MyProcessor: public Processor {
assert(t, ((methodFlags(t, method) & ACC_STATIC) == 0) xor (this_ == 0));
if (UNLIKELY(t->sp + methodParameterFootprint(t, method) + 1
> StackSizeInWords / 2))
> stackSizeInWords(t) / 2))
{
throwNew(t, Machine::StackOverflowErrorType);
}
@ -3020,7 +3020,7 @@ class MyProcessor: public Processor {
assert(t, ((methodFlags(t, method) & ACC_STATIC) == 0) xor (this_ == 0));
if (UNLIKELY(t->sp + methodParameterFootprint(t, method) + 1
> StackSizeInWords / 2))
> stackSizeInWords(t) / 2))
{
throwNew(t, Machine::StackOverflowErrorType);
}
@ -3043,7 +3043,7 @@ class MyProcessor: public Processor {
or t->state == Thread::ExclusiveState);
if (UNLIKELY(t->sp + parameterFootprint(vmt, methodSpec, false)
> StackSizeInWords / 2))
> stackSizeInWords(t) / 2))
{
throwNew(t, Machine::StackOverflowErrorType);
}