1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
/****************************************************************
* *
* Copyright 2001, 2003 Sanchez Computer Associates, Inc. *
* *
* This source code contains the intellectual property *
* of its copyright holder(s), and is made available *
* under a license. If you do not know the terms of *
* the license, please stop and do not read further. *
* *
****************************************************************/
#include "mdef.h"
#include <rtnhdr.h>
#include "gtmci.h"
#include "make_mode.h"
/* The code created and returned by make_cimode() is executed in the frame GTM$CI at level 1 of
* every nested call-in environment. For every M routine being called-in from C, GTM$CI code
* will setup argument registers/stack and executes the M routine. When the M routine returns
* from its final QUIT, GTM$CI returns to gtm_ci(). make_cimode generates machine equivalents
* for the following operations in that order:
*
* CALL ci_restart :setup register/stack arguments from 'param_list' and transfer control
* to op_extcall/op_extexfun which return only after the M routine finishes and QUITs.
* CALL ci_ret_code :transfer control from the M routine back to C (gtm_ci). Never returns.
* CALL opp_ret :an implicit QUIT although it is never executed.
*
* Before GTM$CI executes, it is assumed that the global 'param_list' has been populated with
* argument/return mval *.
*/
rhdtyp *make_cimode(void)
{
static rhdtyp *base_address = NULL;
if (NULL == base_address)
base_address = make_mode(CI_MODE);
return base_address;
}
|
