/* NOTE: every malloc'd storage here should be free'd in a nested call-in environment.
* gtmci_isv_restore (in gtmci_isv.c) needs to be reflected for any future mallocs added here. */
void ecode_init(void)
{
dollar_ecode.begin = (char *)malloc(DOLLAR_ECODE_ALLOC);
dollar_ecode.top = dollar_ecode.begin + DOLLAR_ECODE_ALLOC;
dollar_ecode.array = (dollar_ecode_struct *)malloc(SIZEOF(dollar_ecode_struct) * DOLLAR_ECODE_MAXINDEX);
dollar_ecode.error_rtn_addr = NON_IA64_ONLY(CODE_ADDRESS(ERROR_RTN)) IA64_ONLY(CODE_ADDRESS_C(ERROR_RTN));
dollar_ecode.error_rtn_ctxt = GTM_CONTEXT(ERROR_RTN);
dollar_ecode.error_return_addr = (error_ret_fnptr)ERROR_RETURN;
dollar_stack.begin = (char *)malloc(DOLLAR_STACK_ALLOC);
dollar_stack.top = dollar_stack.begin + DOLLAR_STACK_ALLOC;
dollar_stack.array = (dollar_stack_struct *)malloc(SIZEOF(dollar_stack_struct) * DOLLAR_STACK_MAXINDEX);
NULLIFY_DOLLAR_ECODE; /* this macro resets dollar_ecode.{end,index}, dollar_stack.{begin,index,incomplete} and
* first_ecode_error_frame to point as if no error occurred at all */
}
int4 add_inter(int val, sm_int_ptr_t addr, sm_global_latch_ptr_t latch)
{
int4 cntrval, newcntrval, spins, maxspins, retries;
boolean_t cswpsuccess;
sm_int_ptr_t volatile cntrval_p;
++fast_lock_count;
maxspins = num_additional_processors ? MAX_LOCK_SPINS(LOCK_SPINS, num_additional_processors) : 1;
cntrval_p = addr; /* Need volatile context especially on Itanium */
for (retries = LOCK_TRIES - 1; 0 < retries; retries--) /* - 1 so do rel_quant 3 times first */
{ /* seems like a legitinate spin which could take advantage of transactional memory */
for (spins = maxspins; 0 < spins; spins--)
{
cntrval = *cntrval_p;
newcntrval = cntrval + val;
/* This is (currently as of 08/2007) the only non-locking usage of compswap in GT.M. We
are not passing compswap an actual sm_global_latch_ptr_t addr like its function would
normally dictate. However, since the address of the field we want to deal with is the
first int in the global_latch_t, we just pass our int address properly cast to the
type that compswap is expecting. The assert below verifies that this assumption has
not changed (SE 08/2007)
*/
assert(0 == OFFSETOF(global_latch_t, u.parts.latch_pid));
IA64_ONLY(cswpsuccess = compswap_unlock(RECAST(sm_global_latch_ptr_t)cntrval_p, cntrval, newcntrval));
NON_IA64_ONLY(cswpsuccess = compswap((sm_global_latch_ptr_t)cntrval_p, cntrval, newcntrval));
if (cswpsuccess)
{
--fast_lock_count;
assert(0 <= fast_lock_count);
return newcntrval;
}
}
if (retries & 0x3)
/* On all but every 4th pass, do a simple rel_quant */
rel_quant(); /* Release processor to holder of lock (hopefully) */
else
{
/* On every 4th pass, we bide for awhile */
wcs_sleep(LOCK_SLEEP);
assert(0 == (LOCK_TRIES % 4)); /* assures there are 3 rel_quants prior to first wcs_sleep() */
}
}
--fast_lock_count;
assert(FALSE);
rts_error_csa(CSA_ARG(NULL) VARLSTCNT(9) ERR_DBCCERR, 2, LEN_AND_LIT("*unknown*"), ERR_ERRCALL, 3, CALLFROM);
return 0; /* To keep the compiler quiet */
}
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;
}
