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Fix forced unwinding triggered by external unwinder.

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This commit is contained in:
Mike Pall 2011-06-27 21:09:01 +02:00
parent 2dd52500ab
commit 999d95253a
1 changed files with 4 additions and 2 deletions
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6
src/lj_err.c
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@ -228,7 +228,9 @@ LJ_FUNCA int lj_err_unwind_dwarf(int version, _Unwind_Action actions,
}
#if LJ_UNWIND_EXT
cf = err_unwind(L, cf, errcode);
if (cf) {
if ((actions & _UA_FORCE_UNWIND)) {
return _URC_CONTINUE_UNWIND;
} else if (cf) {
_Unwind_SetGR(ctx, LJ_TARGET_EHRETREG, errcode);
_Unwind_SetIP(ctx, (_Unwind_Ptr)(cframe_unwind_ff(cf) ?
lj_vm_unwind_ff_eh :
@ -280,7 +282,7 @@ LJ_FUNCA _Unwind_Reason_Code lj_err_unwind_arm(_Unwind_State state,
setstrV(L, L->top++, lj_err_str(L, LJ_ERR_ERRCPP));
return _URC_HANDLER_FOUND;
}
if ((state & _US_ACTION_MASK) == _US_UNWIND_FRAME_STARTING) {
if ((state&(_US_ACTION_MASK|_US_FORCE_UNWIND)) == _US_UNWIND_FRAME_STARTING) {
_Unwind_DeleteException(ucb);
_Unwind_SetGR(ctx, 15, (_Unwind_Word)(void *)lj_err_throw);
_Unwind_SetGR(ctx, 0, (_Unwind_Word)L);