xref: /openbsd-src/gnu/usr.bin/binutils/gdb/osf-share/cma_stack.h (revision e93f7393d476ad1c5192174ea92f14ecc97182e7)
1*e93f7393Sniklas /*
2*e93f7393Sniklas  * (c) Copyright 1990-1996 OPEN SOFTWARE FOUNDATION, INC.
3*e93f7393Sniklas  * (c) Copyright 1990-1996 HEWLETT-PACKARD COMPANY
4*e93f7393Sniklas  * (c) Copyright 1990-1996 DIGITAL EQUIPMENT CORPORATION
5*e93f7393Sniklas  * (c) Copyright 1991, 1992 Siemens-Nixdorf Information Systems
6*e93f7393Sniklas  * To anyone who acknowledges that this file is provided "AS IS" without
7*e93f7393Sniklas  * any express or implied warranty: permission to use, copy, modify, and
8*e93f7393Sniklas  * distribute this file for any purpose is hereby granted without fee,
9*e93f7393Sniklas  * provided that the above copyright notices and this notice appears in
10*e93f7393Sniklas  * all source code copies, and that none of the names listed above be used
11*e93f7393Sniklas  * in advertising or publicity pertaining to distribution of the software
12*e93f7393Sniklas  * without specific, written prior permission.  None of these organizations
13*e93f7393Sniklas  * makes any representations about the suitability of this software for
14*e93f7393Sniklas  * any purpose.
15*e93f7393Sniklas  */
16*e93f7393Sniklas /*
17*e93f7393Sniklas  *	Header file for stack management
18*e93f7393Sniklas  */
19*e93f7393Sniklas #ifndef CMA_STACK
20*e93f7393Sniklas #define CMA_STACK
21*e93f7393Sniklas 
22*e93f7393Sniklas /*
23*e93f7393Sniklas  *  INCLUDE FILES
24*e93f7393Sniklas  */
25*e93f7393Sniklas 
26*e93f7393Sniklas #include <cma_tcb_defs.h>
27*e93f7393Sniklas #include <cma.h>
28*e93f7393Sniklas #include <cma_attr.h>
29*e93f7393Sniklas #include <cma_queue.h>
30*e93f7393Sniklas #include <cma_stack_int.h>
31*e93f7393Sniklas 
32*e93f7393Sniklas /*
33*e93f7393Sniklas  * CONSTANTS AND MACROS
34*e93f7393Sniklas  */
35*e93f7393Sniklas 
36*e93f7393Sniklas #if _CMA_UNIPROCESSOR_
37*e93f7393Sniklas # define cma__get_self_tcb()	(cma__g_current_thread)
38*e93f7393Sniklas #endif
39*e93f7393Sniklas 
40*e93f7393Sniklas /*
41*e93f7393Sniklas  * Round the given value (a) upto cma__g_chunk_size
42*e93f7393Sniklas  */
43*e93f7393Sniklas #define cma__roundup_chunksize(a)   (cma__roundup(a,cma__g_chunk_size))
44*e93f7393Sniklas 
45*e93f7393Sniklas /*
46*e93f7393Sniklas  * TYPEDEFS
47*e93f7393Sniklas  */
48*e93f7393Sniklas 
49*e93f7393Sniklas /*
50*e93f7393Sniklas  *  GLOBAL DATA
51*e93f7393Sniklas  */
52*e93f7393Sniklas 
53*e93f7393Sniklas extern cma__t_list	cma__g_stack_clusters;
54*e93f7393Sniklas extern cma__t_int_tcb	*cma__g_current_thread;
55*e93f7393Sniklas extern cma_t_integer	cma__g_chunk_size;
56*e93f7393Sniklas 
57*e93f7393Sniklas /*
58*e93f7393Sniklas  * INTERNAL INTERFACES
59*e93f7393Sniklas  */
60*e93f7393Sniklas 
61*e93f7393Sniklas extern void cma__assign_stack  (cma__t_int_stack *,cma__t_int_tcb *);
62*e93f7393Sniklas 
63*e93f7393Sniklas extern void cma__free_stack  (cma__t_int_stack *);
64*e93f7393Sniklas 
65*e93f7393Sniklas extern void cma__free_stack_list  (cma__t_queue *);
66*e93f7393Sniklas 
67*e93f7393Sniklas #if !_CMA_UNIPROCESSOR_
68*e93f7393Sniklas extern cma__t_int_tcb * cma__get_self_tcb  (void);
69*e93f7393Sniklas #endif
70*e93f7393Sniklas 
71*e93f7393Sniklas extern cma__t_int_tcb * cma__get_sp_tcb  (cma_t_address);
72*e93f7393Sniklas 
73*e93f7393Sniklas extern cma__t_int_stack * cma__get_stack  (cma__t_int_attr *);
74*e93f7393Sniklas 
75*e93f7393Sniklas extern void cma__init_stack  (void);
76*e93f7393Sniklas 
77*e93f7393Sniklas extern void cma__reinit_stack  (cma_t_integer);
78*e93f7393Sniklas 
79*e93f7393Sniklas #if _CMA_PROTECT_MEMORY_
80*e93f7393Sniklas extern void cma__remap_stack_holes  (void);
81*e93f7393Sniklas #endif
82*e93f7393Sniklas 
83*e93f7393Sniklas #endif
84