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Housekeeping (add comments, removed some dead code.)

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This commit is contained in:
Andreas Gal 2008-06-30 09:36:10 -07:00
parent d8d25140f9
commit 5d1d997c9d
2 changed files with 11 additions and 9 deletions
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19
js/src/jstracer.cpp
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@ -230,6 +230,8 @@ TraceRecorder::onFrame(void* p) const
return findFrame(p) != NULL;
}
/* Calculate the total number of native frame slots we need from this frame
all the way back to the entry frame, including the current stack usage. */
unsigned
TraceRecorder::nativeFrameSlots(JSStackFrame* fp) const
{
@ -269,6 +271,7 @@ TraceRecorder::nativeFrameOffset(void* p) const
return offset * sizeof(double);
}
/* Return the tag of a jsval. */
static inline int gettag(jsval v)
{
if (JSVAL_IS_INT(v))
@ -297,7 +300,9 @@ TraceRecorder::buildTypeMap(char* m) const
buildTypeMap(cx->fp, m);
}
bool
/* Unbox a jsval into a slot. Slots are wide enough to hold double values
directly (instead of storing a pointer to them). */
bool
TraceRecorder::unbox_jsval(jsval v, int t, double* slot) const
{
if (t != gettag(v))
@ -315,6 +320,7 @@ TraceRecorder::unbox_jsval(jsval v, int t, double* slot) const
return true;
}
/* Box a value from the native stack back into the jsval format. */
bool
TraceRecorder::box_jsval(jsval* vp, int t, double* slot) const
{
@ -373,6 +379,7 @@ TraceRecorder::box(JSStackFrame* fp, char* m, double* native) const
return true;
}
/* Emit load instructions onto the trace that read the initial stack state. */
void
TraceRecorder::readstack(void* p)
{
@ -381,16 +388,12 @@ TraceRecorder::readstack(void* p)
nativeFrameOffset(p)));
}
void
TraceRecorder::init(void* p, LIns* i)
{
tracker.set(p, i);
}
/* Update the tracker. If the value is part of any argv/vars/stack of any
currently active frame (onFrame), then issue a write back store. */
void
TraceRecorder::set(void* p, LIns* i)
{
init(p, i);
tracker.set(p, i);
if (onFrame(p))
lir->insStorei(i, sp_load_ins,
nativeFrameOffset(p));

1
js/src/jstracer.h
View File

@ -104,7 +104,6 @@ public:
bool unbox(JSStackFrame* fp, char* m, double* native) const;
bool box(JSStackFrame* fp, char* m, double* native) const;
void init(void* p, nanojit::LIns* l);
void set(void* p, nanojit::LIns* l);
nanojit::LIns* get(void* p);