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Rename VMFragmentInfo to TreeInfo.

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This commit is contained in:
Andreas Gal 2008-07-21 12:41:43 -07:00
parent 2f5e227963
commit e9b2918575
2 changed files with 28 additions and 27 deletions
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47
js/src/jstracer.cpp
View File

@ -423,9 +423,9 @@ public:
up until the entry scope. */
virtual LInsp insGuard(LOpcode v, LIns *c, SideExit *x) {
uint8* m = x->typeMap;
VMFragmentInfo* fi = (VMFragmentInfo*)_fragment->root->vmprivate;
unsigned _ngslots = fi->ngslots;
uint16* _gslots = fi->gslots;
TreeInfo* ti = (TreeInfo*)_fragment->root->vmprivate;
unsigned _ngslots = ti->ngslots;
uint16* _gslots = ti->gslots;
FORALL_SLOTS_IN_PENDING_FRAMES(_cx, _ngslots, _gslots, _entryFrame, _cx->fp,
*m++ = getStoreType(*vp));
return out->insGuard(v, c, x);
@ -455,10 +455,10 @@ TraceRecorder::TraceRecorder(JSContext* cx, GuardRecord* _anchor,
this->anchor = _anchor;
this->fragment = _fragment;
this->lirbuf = _fragment->lirbuf;
this->fragmentInfo = (VMFragmentInfo*)_fragment->root->vmprivate;
JS_ASSERT(fragmentInfo);
this->entryFrame = fragmentInfo->entryFrame;
this->entryRegs = &fragmentInfo->entryRegs;
this->treeInfo = (TreeInfo*)_fragment->root->vmprivate;
JS_ASSERT(treeInfo);
this->entryFrame = treeInfo->entryFrame;
this->entryRegs = &treeInfo->entryRegs;
this->atoms = cx->fp->script->atomMap.vector;
#ifdef DEBUG
@ -495,7 +495,7 @@ TraceRecorder::TraceRecorder(JSContext* cx, GuardRecord* _anchor,
#else
localNames = NULL;
#endif
FORALL_SLOTS_IN_PENDING_FRAMES(cx, fragmentInfo->ngslots, fragmentInfo->gslots,
FORALL_SLOTS_IN_PENDING_FRAMES(cx, treeInfo->ngslots, treeInfo->gslots,
entryFrame, entryFrame,
import(vp, *m, vpname, vpnum, localNames); m++
);
@ -547,6 +547,7 @@ TraceRecorder::findFrame(jsval* p) const
{
jsval* vp = (jsval*) p;
JSStackFrame* fp = cx->fp;
JS_ASSERT(fp);
for (;;) {
// FIXME: fixing bug 441686 collapses the last two tests here
if (vp == &fp->rval ||
@ -651,7 +652,7 @@ TraceRecorder::nativeFrameOffset(jsval* p) const
{
JSStackFrame* currentFrame = cx->fp;
size_t offset = 0;
FORALL_SLOTS_IN_PENDING_FRAMES(cx, fragmentInfo->ngslots, fragmentInfo->gslots,
FORALL_SLOTS_IN_PENDING_FRAMES(cx, treeInfo->ngslots, treeInfo->gslots,
entryFrame, currentFrame,
if (vp == p) return offset;
offset += sizeof(double)
@ -668,8 +669,8 @@ TraceRecorder::nativeFrameOffset(jsval* p) const
void
TraceRecorder::trackNativeFrameUse(unsigned slots)
{
if (slots > fragmentInfo->maxNativeFrameSlots)
fragmentInfo->maxNativeFrameSlots = slots;
if (slots > treeInfo->maxNativeFrameSlots)
treeInfo->maxNativeFrameSlots = slots;
}
/* Unbox a jsval into a slot. Slots are wide enough to hold double values
@ -841,7 +842,7 @@ TraceRecorder::import(jsval* p, uint8& t, const char *prefix, int index, jsuword
native stack. Arguments and locals are to the left of the stack pointer (offset
less than 0). Stack cells start at offset 0. Ed defined the semantics of the stack,
not me, so don't blame the messenger. */
ptrdiff_t offset = -fragmentInfo->nativeStackBase + nativeFrameOffset(p) + 8;
ptrdiff_t offset = -treeInfo->nativeStackBase + nativeFrameOffset(p) + 8;
if (TYPEMAP_GET_TYPE(t) == JSVAL_INT) { /* demoted */
JS_ASSERT(isInt32(*p));
/* Ok, we have a valid demotion attempt pending, so insert an integer
@ -893,7 +894,7 @@ TraceRecorder::set(jsval* p, LIns* i)
{
tracker.set(p, i);
if (onFrame(p))
lir->insStorei(i, lirbuf->sp, -fragmentInfo->nativeStackBase + nativeFrameOffset(p) + 8);
lir->insStorei(i, lirbuf->sp, -treeInfo->nativeStackBase + nativeFrameOffset(p) + 8);
}
LIns*
@ -906,7 +907,7 @@ SideExit*
TraceRecorder::snapshot()
{
/* generate the entry map and stash it in the trace */
unsigned slots = nativeFrameSlots(fragmentInfo->ngslots, entryFrame, cx->fp, *cx->fp->regs);
unsigned slots = nativeFrameSlots(treeInfo->ngslots, entryFrame, cx->fp, *cx->fp->regs);
trackNativeFrameUse(slots);
/* reserve space for the type map, ExitFilter will write it out for us */
LIns* data = lir_buf_writer->skip(slots * sizeof(uint8));
@ -1007,7 +1008,7 @@ TraceRecorder::checkType(jsval& v, uint8& t)
bool
TraceRecorder::verifyTypeStability(JSStackFrame* entryFrame, JSStackFrame* currentFrame, uint8* m)
{
FORALL_SLOTS_IN_PENDING_FRAMES(cx, fragmentInfo->ngslots, fragmentInfo->gslots,
FORALL_SLOTS_IN_PENDING_FRAMES(cx, treeInfo->ngslots, treeInfo->gslots,
entryFrame, currentFrame,
if (!checkType(*vp, *m))
return false;
@ -1019,7 +1020,7 @@ TraceRecorder::verifyTypeStability(JSStackFrame* entryFrame, JSStackFrame* curre
void
TraceRecorder::closeLoop(Fragmento* fragmento)
{
if (!verifyTypeStability(entryFrame, cx->fp, fragmentInfo->typeMap)) {
if (!verifyTypeStability(entryFrame, cx->fp, treeInfo->typeMap)) {
AUDIT(unstableLoopVariable);
debug_only(printf("Trace rejected: unstable loop variables.\n");)
return;
@ -1184,10 +1185,10 @@ js_LoopEdge(JSContext* cx, jsbytecode* oldpc)
#endif
}
/* create the tree anchor structure */
VMFragmentInfo* fi = (VMFragmentInfo*)f->vmprivate;
TreeInfo* fi = (TreeInfo*)f->vmprivate;
if (!fi) {
/* setup the VM-private FragmentInfo structure for this fragment */
fi = new VMFragmentInfo(); // TODO: deallocate when fragment dies
/* setup the VM-private treeInfo structure for this fragment */
fi = new TreeInfo(); // TODO: deallocate when fragment dies
f->vmprivate = fi;
/* create the list of global properties we want to intern */
@ -1231,7 +1232,7 @@ js_LoopEdge(JSContext* cx, jsbytecode* oldpc)
AUDIT(traceTriggered);
/* execute previously recorded trace */
VMFragmentInfo* fi = (VMFragmentInfo*)f->vmprivate;
TreeInfo* fi = (TreeInfo*)f->vmprivate;
if (OBJ_SCOPE(JS_GetGlobalForObject(cx, cx->fp->scopeChain))->shape != fi->globalShape) {
AUDIT(globalShapeMismatchAtEntry);
debug_only(printf("global shape mismatch, discarding trace (started pc %u line %u).\n",
@ -1320,7 +1321,7 @@ js_AbortRecording(JSContext* cx, jsbytecode* abortpc, const char* reason)
if (f->root == f) {
AUDIT(typeMapTrashed);
debug_only(printf("Root fragment aborted, trashing the type map.\n");)
VMFragmentInfo* fi = (VMFragmentInfo*)f->vmprivate;
TreeInfo* fi = (TreeInfo*)f->vmprivate;
JS_ASSERT(fi->typeMap);
fi->typeMap = NULL;
}
@ -2276,8 +2277,8 @@ bool TraceRecorder::record_JSOP_CALL()
unsigned callDepth = getCallDepth();
lir->insStorei(lir->insImmPtr(JSVAL_TO_OBJECT(fval)),
lirbuf->rp, callDepth * sizeof(JSObject*));
if (callDepth+1 > fragmentInfo->maxCallDepth)
fragmentInfo->maxCallDepth = callDepth+1;
if (callDepth+1 > treeInfo->maxCallDepth)
treeInfo->maxCallDepth = callDepth+1;
atoms = fun->u.i.script->atomMap.vector;
return true;
}

8
js/src/jstracer.h
View File

@ -89,14 +89,14 @@ public:
void clear();
};
class VMFragmentInfo {
class TreeInfo {
public:
VMFragmentInfo() {
TreeInfo() {
typeMap = NULL;
gslots = NULL;
}
virtual ~VMFragmentInfo() {
virtual ~TreeInfo() {
if (typeMap) free(typeMap);
if (gslots) free(gslots);
}
@ -135,7 +135,7 @@ class TraceRecorder {
JSAtom** atoms;
nanojit::GuardRecord* anchor;
nanojit::Fragment* fragment;
VMFragmentInfo* fragmentInfo;
TreeInfo* treeInfo;
nanojit::LirBuffer* lirbuf;
nanojit::LirWriter* lir;
nanojit::LirBufWriter* lir_buf_writer;