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Add LJ_FR2 mode: Two-slot frame info.

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This commit is contained in:
Mike Pall
2015-01-03 15:04:38 +01:00
parent a13dfd66c3
commit 054e6abe37
33 changed files with 300 additions and 139 deletions
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src/lj_ffrecord.c
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@@ -107,6 +107,7 @@ static void recff_stitch(jit_State *J)
TValue *pframe = frame_prevl(base-1);
TRef trcont;
lua_assert(!LJ_FR2); /* TODO_FR2: handle frame shift. */
/* Move func + args up in Lua stack and insert continuation. */
memmove(&base[1], &base[-1], sizeof(TValue)*(J->maxslot+1));
setframe_ftsz(base+1, ((char *)(base+1) - (char *)pframe) + FRAME_CONT);
@@ -466,6 +467,7 @@ static void LJ_FASTCALL recff_xpcall(jit_State *J, RecordFFData *rd)
TValue argv0, argv1;
TRef tmp;
int errcode;
lua_assert(!LJ_FR2); /* TODO_FR2: handle different frame setup. */
/* Swap function and traceback. */
tmp = J->base[0]; J->base[0] = J->base[1]; J->base[1] = tmp;
copyTV(J->L, &argv0, &rd->argv[0]);