Esempio n. 1
0
void gtmci_isv_save(void)
{
	gtm_savetraps();	/* Save either etrap or ztrap as appropriate */
	op_newintrinsic(SV_ESTACK);

	/* Save $ECODE/$STACK values of previous environment into SFF_CI frame of
	 * the current call-in environment. When this frame unwinds, their old values
	 * will be restored in dollar_ecode_ci and dollar_stack_ci (see unwind logic
	 * in ci_ret_code_quit) */
	assert(frame_pointer->flags & SFF_CI);
	dollar_ecode_addr = &dollar_ecode_ci;
	push_stck(&dollar_ecode, sizeof(dollar_ecode), (void**)&dollar_ecode_addr);
	dollar_stack_addr = &dollar_stack_ci;
	push_stck(&dollar_stack, sizeof(dollar_stack), (void**)&dollar_stack_addr);
	ecode_init();
}
Esempio n. 2
0
void gtm_startup(struct startup_vector *svec)
/* Note: various references to data copied from *svec could profitably be referenced directly */
{
	unsigned char	*mstack_ptr;
	void		gtm_ret_code();
	static readonly unsigned char init_break[1] = {'B'};
	int4		lct;
	int		i;
	static char 	other_mode_buf[] = "OTHER";
	mstr		log_name;
	DCL_THREADGBL_ACCESS;

	SETUP_THREADGBL_ACCESS;
	assert(INVALID_IMAGE != image_type);
	assert(svec->argcnt == SIZEOF(*svec));
	IA64_ONLY(init_xfer_table());
	get_page_size();
	cache_table_relobjs = &cache_table_rebuild;
	ht_rhash_ch = &hashtab_rehash_ch;
	jbxm_dump_ch = &jobexam_dump_ch;
	heartbeat_timer_ptr = &heartbeat_timer;
	stpgc_ch = &stp_gcol_ch;
	rtn_fst_table = rtn_names = (rtn_tabent *)svec->rtn_start;
	rtn_names_end = rtn_names_top = (rtn_tabent *)svec->rtn_end;
	if (svec->user_stack_size < 4096)
		svec->user_stack_size = 4096;
	if (svec->user_stack_size > 8388608)
		svec->user_stack_size = 8388608;
	mstack_ptr = (unsigned char *)malloc(svec->user_stack_size);
	msp = stackbase = mstack_ptr + svec->user_stack_size - mvs_size[MVST_STORIG];
	/* mark the stack base so that if error occur during call-in gtm_init(), the unwind
	 * logic in gtmci_ch() will get rid of the stack completely
	 */
	fgncal_stack = stackbase;
	mv_chain = (mv_stent *)msp;
	mv_chain->mv_st_type = MVST_STORIG;	/* Initialize first (anchor) mv_stent so doesn't do anything */
	mv_chain->mv_st_next = 0;
	mv_chain->mv_st_cont.mvs_storig = 0;
	stacktop = mstack_ptr + 2 * mvs_size[MVST_NTAB];
	stackwarn = stacktop + (16 * 1024);
	break_message_mask = svec->break_message_mask;
	if (svec->user_strpl_size < STP_INITSIZE)
		svec->user_strpl_size = STP_INITSIZE;
	else if (svec->user_strpl_size > STP_MAXINITSIZE)
		svec->user_strpl_size = STP_MAXINITSIZE;
	stp_init(svec->user_strpl_size);
	if (svec->user_indrcache_size > MAX_INDIRECTION_NESTING || svec->user_indrcache_size < MIN_INDIRECTION_NESTING)
		svec->user_indrcache_size = MIN_INDIRECTION_NESTING;
	TREF(ind_result_array) = (mval **)malloc(SIZEOF(mval *) * svec->user_indrcache_size);
	TREF(ind_source_array) = (mval **)malloc(SIZEOF(mval *) * svec->user_indrcache_size);
	TREF(ind_result_sp) = TREF(ind_result_array);
	TREF(ind_result_top) = TREF(ind_result_sp) + svec->user_indrcache_size;
	TREF(ind_source_sp) = TREF(ind_source_array);
	TREF(ind_source_top) = TREF(ind_source_sp) + svec->user_indrcache_size;
	rts_stringpool = stringpool;
	TREF(compile_time) = FALSE;
	/* assert that is_replicator and run_time is properly set by gtm_imagetype_init invoked at process entry */
#	ifdef DEBUG
	switch (image_type)
	{
		case GTM_IMAGE:
		case GTM_SVC_DAL_IMAGE:
			assert(is_replicator && run_time);
			break;
		case MUPIP_IMAGE:
			assert(!is_replicator && !run_time);
			break;
		default:
			assert(FALSE);
	}
#	endif
	gtm_utf8_init(); /* Initialize the runtime for Unicode */
	/* Initialize alignment requirement for the runtime stringpool */
	log_name.addr = DISABLE_ALIGN_STRINGS;
	log_name.len = STR_LIT_LEN(DISABLE_ALIGN_STRINGS);
	/* mstr_native_align = logical_truth_value(&log_name, FALSE, NULL) ? FALSE : TRUE; */
	mstr_native_align = FALSE; /* TODO: remove this line and uncomment the above line */
	getjobname();
	INVOKE_INIT_SECSHR_ADDRS;
	getzprocess();
	getzmode();
	geteditor();
	zcall_init();
	cmd_qlf.qlf = glb_cmd_qlf.qlf;
	cache_init();
#	ifdef __sun
	if (NULL != GETENV(PACKAGE_ENV_TYPE))	/* chose xcall (default) or rpc zcall */
		xfer_table[xf_fnfgncal] = (xfer_entry_t)op_fnfgncal_rpc;  /* using RPC */
#	endif
	msp -= SIZEOF(stack_frame);
	frame_pointer = (stack_frame *)msp;
	memset(frame_pointer,0, SIZEOF(stack_frame));
	frame_pointer->temps_ptr = (unsigned char *)frame_pointer;
	frame_pointer->ctxt = GTM_CONTEXT(gtm_ret_code);
	frame_pointer->mpc = CODE_ADDRESS(gtm_ret_code);
	frame_pointer->type = SFT_COUNT;
	frame_pointer->rvector = (rhdtyp*)malloc(SIZEOF(rhdtyp));
	memset(frame_pointer->rvector, 0, SIZEOF(rhdtyp));
	symbinit();
	/* Variables for supporting $ZSEARCH sorting and wildcard expansion */
	TREF(zsearch_var) = lv_getslot(curr_symval);
	TREF(zsearch_dir1) = lv_getslot(curr_symval);
	TREF(zsearch_dir2) = lv_getslot(curr_symval);
	LVVAL_INIT((TREF(zsearch_var)), curr_symval);
	LVVAL_INIT((TREF(zsearch_dir1)), curr_symval);
	LVVAL_INIT((TREF(zsearch_dir2)), curr_symval);
	/* Initialize global pointer to control-C handler. Also used in iott_use */
	ctrlc_handler_ptr = &ctrlc_handler;
	io_init(IS_MUPIP_IMAGE);		/* starts with nocenable for GT.M runtime, enabled for MUPIP */
	if (!IS_MUPIP_IMAGE)
	{
		sig_init(generic_signal_handler, ctrlc_handler_ptr, suspsigs_handler, continue_handler);
		atexit(gtm_exit_handler);
		cenable();	/* cenable unless the environment indicates otherwise - 2 steps because this can report errors */
	}
	jobinterrupt_init();
	getzdir();
	dpzgbini();
	zco_init();
	/* a base addr of 0 indicates a gtm_init call from an rpc server */
	if ((GTM_IMAGE == image_type) && (NULL != svec->base_addr))
		jobchild_init();
	else
	{	/* Trigger enabled utilities will enable through here */
		(TREF(dollar_zmode)).mvtype = MV_STR;
		(TREF(dollar_zmode)).str.addr = other_mode_buf;
		(TREF(dollar_zmode)).str.len = SIZEOF(other_mode_buf) -1;
	}
	svec->frm_ptr = (unsigned char *)frame_pointer;
	dollar_ztrap.mvtype = MV_STR;
	dollar_ztrap.str.len = SIZEOF(init_break);
	dollar_ztrap.str.addr = (char *)init_break;
	dollar_zstatus.mvtype = MV_STR;
	dollar_zstatus.str.len = 0;
	dollar_zstatus.str.addr = NULL;
	ecode_init();
	zyerror_init();
	ztrap_form_init();
	ztrap_new_init();
	zdate_form_init(svec);
	dollar_system_init(svec);
	init_callin_functable();
	gtm_env_xlate_init();
	SET_LATCH_GLOBAL(&defer_latch, LOCK_AVAILABLE);
	curr_pattern = pattern_list = &mumps_pattern;
	pattern_typemask = mumps_pattern.typemask;
	initialize_pattern_table();
	ce_init();	/* initialize compiler escape processing */
	/* Initialize local collating sequence */
	TREF(transform) = TRUE;
	lct = find_local_colltype();
	if (lct != 0)
	{
		TREF(local_collseq) = ready_collseq(lct);
		if (!TREF(local_collseq))
		{
			exi_condition = -ERR_COLLATIONUNDEF;
			gtm_putmsg(VARLSTCNT(3) ERR_COLLATIONUNDEF, 1, lct);
			exit(exi_condition);
		}
	} else
		TREF(local_collseq) = 0;
	prealloc_gt_timers();
	gt_timers_add_safe_hndlrs();
	for (i = 0; FNPC_MAX > i; i++)
	{	/* Initialize cache structure for $Piece function */
		(TREF(fnpca)).fnpcs[i].pcoffmax = &(TREF(fnpca)).fnpcs[i].pstart[FNPC_ELEM_MAX];
		(TREF(fnpca)).fnpcs[i].indx = i;
	}
	(TREF(fnpca)).fnpcsteal = (TREF(fnpca)).fnpcs;		/* Starting place to look for cache reuse */
	(TREF(fnpca)).fnpcmax = &(TREF(fnpca)).fnpcs[FNPC_MAX - 1];	/* The last element */
	/* Initialize zwrite subsystem. Better to do it now when we have storage to allocate than
	 * if we fail and storage allocation may not be possible. To that end, pretend we have
	 * seen alias acitivity so those structures are initialized as well.
	 */
	assert(FALSE == curr_symval->alias_activity);
	curr_symval->alias_activity = TRUE;
	lvzwr_init((enum zwr_init_types)0, (mval *)NULL);
	curr_symval->alias_activity = FALSE;
	if ((NULL != (TREF(mprof_env_gbl_name)).str.addr))
		turn_tracing_on(TADR(mprof_env_gbl_name), TRUE, (TREF(mprof_env_gbl_name)).str.len > 0);
	return;
}