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authorMike Pall <mike>2010-02-16 04:04:16 +0100
committerMike Pall <mike>2010-02-16 04:04:16 +0100
commitc225ee8db4300e1dbf13fcdfc15d8f44da175877 (patch)
tree529d92ad755f5753cc9c98ddb8d56ae9c3700e2c /src/lj_dispatch.c
parentafa07e0c4645289c6c00541c653b190394b150a1 (diff)
downloadluajit2-c225ee8db4300e1dbf13fcdfc15d8f44da175877.tar.gz
Split CALL/FUNC recording.
Record __call resolving and specialization for CALL* bytecodes. Record argument adjustment and fast functions for FUNC* bytecodes. Avoids all pending/immediate decisions for chained fast functions. Cleaner semantics for pcall(), xpcall() and __tostring metamethod. Prerequisite to drop the shadow frame link stack again.
Diffstat (limited to 'src/lj_dispatch.c')
-rw-r--r--src/lj_dispatch.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/src/lj_dispatch.c b/src/lj_dispatch.c
index 29b06438..4629fb7e 100644
--- a/src/lj_dispatch.c
+++ b/src/lj_dispatch.c
@@ -71,7 +71,8 @@ void lj_dispatch_update(global_State *g)
uint8_t mode = 0;
#if LJ_HASJIT
mode |= (G2J(g)->flags & JIT_F_ON) ? DISPMODE_JIT : 0;
- mode |= G2J(g)->state != LJ_TRACE_IDLE ? (DISPMODE_REC|DISPMODE_INS) : 0;
+ mode |= G2J(g)->state != LJ_TRACE_IDLE ?
+ (DISPMODE_REC|DISPMODE_INS|DISPMODE_CALL) : 0;
#endif
mode |= (g->hookmask & (LUA_MASKLINE|LUA_MASKCOUNT)) ? DISPMODE_INS : 0;
mode |= (g->hookmask & LUA_MASKCALL) ? DISPMODE_CALL : 0;
@@ -398,7 +399,7 @@ static void call_init(lua_State *L, GCfunc *fn)
}
}
-/* Call dispatch. Used by call hooks and hot calls. */
+/* Call dispatch. Used by call hooks, hot calls or when recording. */
ASMFunction LJ_FASTCALL lj_dispatch_call(lua_State *L, const BCIns *pc)
{
GCfunc *fn = curr_func(L);
@@ -409,10 +410,14 @@ ASMFunction LJ_FASTCALL lj_dispatch_call(lua_State *L, const BCIns *pc)
#endif
call_init(L, fn);
#if LJ_HASJIT
+ J->L = L;
if ((uintptr_t)pc & 1) { /* Marker for hot call. */
- J->L = L;
lj_trace_hot(J, (const BCIns *)((uintptr_t)pc & ~(uintptr_t)1));
goto out;
+ } else if (J->state != LJ_TRACE_IDLE &&
+ !(g->hookmask & (HOOK_GC|HOOK_VMEVENT))) {
+ /* Record the FUNC* bytecodes, too. */
+ lj_trace_ins(J, pc-1); /* The interpreter bytecode PC is offset by 1. */
}
#endif
if ((g->hookmask & LUA_MASKCALL))