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Add trace stitching.

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This commit is contained in:
Mike Pall
2013-12-25 02:55:25 +01:00
parent 6e02c210c4
commit b5d741fa7e
17 changed files with 422 additions and 69 deletions
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3
src/lj_snap.c
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@@ -97,7 +97,8 @@ static BCReg snapshot_framelinks(jit_State *J, SnapEntry *map)
{
cTValue *frame = J->L->base - 1;
cTValue *lim = J->L->base - J->baseslot;
cTValue *ftop = frame + funcproto(frame_func(frame))->framesize;
GCfunc *fn = frame_func(frame);
cTValue *ftop = isluafunc(fn) ? (frame+funcproto(fn)->framesize) : J->L->top;
MSize f = 0;
map[f++] = SNAP_MKPC(J->pc); /* The current PC is always the first entry. */
while (frame > lim) { /* Backwards traversal of all frames above base. */