/* Throw error. Find catch frame, unwind stack and continue. */
LJ_NOINLINE void LJ_FASTCALL lj_err_throw(lua_State *L, int errcode)
{
global_State *g = G(L);
lj_trace_abort(g);
setgcrefnull(g->jit_L);
L->status = 0;
#if LJ_UNWIND_EXT
err_raise_ext(errcode);
/*
** A return from this function signals a corrupt C stack that cannot be
** unwound. We have no choice but to call the panic function and exit.
**
** Usually this is caused by a C function without unwind information.
** This should never happen on x64, but may happen if you've manually
** enabled LUAJIT_UNWIND_EXTERNAL and forgot to recompile *every*
** non-C++ file with -funwind-tables.
*/
if (G(L)->panic)
G(L)->panic(L);
#else
{
void *cf = err_unwind(L, NULL, errcode);
if (cframe_unwind_ff(cf))
lj_vm_unwind_ff(cframe_raw(cf));
else
lj_vm_unwind_c(cframe_raw(cf), errcode);
}
#endif
exit(EXIT_FAILURE);
}
/* Out-of-memory error. */
LJ_NOINLINE void lj_err_mem(lua_State *L)
{
if (L->status == LUA_ERRERR+1) /* Don't touch the stack during lua_open. */
lj_vm_unwind_c(L->cframe, LUA_ERRMEM);
setstrV(L, L->top++, lj_err_str(L, LJ_ERR_ERRMEM));
lj_err_throw(L, LUA_ERRMEM);
}
