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Bug 728086 - Back out f4e8839c28f5 to fix Windows purple builds

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This commit is contained in:
Bill McCloskey 2012-02-22 13:38:34 -08:00
parent 45c035969d
commit f303c321aa
3 changed files with 6 additions and 29 deletions
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2
js/src/jswrapper.cpp
View File

@ -792,9 +792,9 @@ CrossCompartmentWrapper::nativeCall(JSContext *cx, JSObject *wrapper, Class *cla
if (!Wrapper::nativeCall(cx, wrapper, clasp, native, dstArgs))
return false;
srcArgs.rval() = dstArgs.rval();
dstArgs.pop();
call.leave();
srcArgs.rval() = dstArgs.rval();
return call.origin->wrap(cx, &srcArgs.rval());
}

27
js/src/vm/Stack.cpp
View File

@ -413,7 +413,6 @@ StackSpace::init()
trustedEnd_ = base_ + CAPACITY_VALS;
conservativeEnd_ = defaultEnd_ = trustedEnd_ - BUFFER_VALS;
#endif
Debug_SetValueRangeToCrashOnTouch(base_, trustedEnd_);
assertInvariants();
return true;
}
@ -737,8 +736,6 @@ ContextStack::pushInvokeArgs(JSContext *cx, uintN argc, InvokeArgsGuard *iag)
if (!firstUnused)
return false;
MakeRangeGCSafe(firstUnused, argc);
ImplicitCast<CallArgs>(*iag) = CallArgsFromVp(argc, firstUnused);
seg_->pushCall(*iag);
@ -754,19 +751,9 @@ ContextStack::popInvokeArgs(const InvokeArgsGuard &iag)
JS_ASSERT(onTop());
JS_ASSERT(space().firstUnused() == seg_->calls().end());
Value *oldend = seg_->end();
Value *oldbeg;
seg_->popCall();
if (iag.pushedSeg_) {
oldbeg = reinterpret_cast<Value *>(seg_);
if (iag.pushedSeg_)
popSegment();
} else {
oldbeg = seg_->end();
}
if (seg_)
Debug_SetValueRangeToCrashOnTouch(oldbeg, oldend);
}
bool
@ -879,19 +866,9 @@ ContextStack::popFrame(const FrameGuard &fg)
if (fg.regs_.fp()->isNonEvalFunctionFrame())
fg.regs_.fp()->functionEpilogue();
Value *oldend = seg_->end();
Value *oldbeg;
seg_->popRegs(fg.prevRegs_);
if (fg.pushedSeg_) {
oldbeg = reinterpret_cast<Value *>(seg_);
if (fg.pushedSeg_)
popSegment();
} else {
oldbeg = seg_->end();
}
if (seg_)
Debug_SetValueRangeToCrashOnTouch(oldbeg, oldend);
/*
* NB: this code can call out and observe the stack (e.g., through GC), so

6
js/src/vm/Stack.h
View File

@ -95,10 +95,10 @@ namespace detail {
*
* SpiderMonkey uses a per-thread stack to store the activation records,
* parameters, locals, and expression temporaries for the stack of actively
* executing scripts, functions and generators. The stack is owned by the
* StackSpace object stored in the runtime.
* executing scripts, functions and generators. The per-thread stack is owned
* by the StackSpace object stored in the thread's ThreadData.
*
* The stack is subdivided into contiguous segments of memory which
* The per-thread stack is subdivided into contiguous segments of memory which
* have a memory layout invariant that allows fixed offsets to be used for stack
* access (by jit code) as well as fast call/return. This memory layout is
* encapsulated by a set of types that describe different regions of memory.