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
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
/****************************************************************************
* *
* GNAT COMPILER COMPONENTS *
* *
* I N I T I A L I Z E *
* *
* C Implementation File *
* *
* Copyright (C) 1992-2020, Free Software Foundation, Inc. *
* *
* GNAT is free software; you can redistribute it and/or modify it under *
* terms of the GNU General Public License as published by the Free Soft- *
* ware Foundation; either version 3, or (at your option) any later ver- *
* sion. GNAT is distributed in the hope that it will be useful, but WITH- *
* OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY *
* or FITNESS FOR A PARTICULAR PURPOSE. *
* *
* As a special exception under Section 7 of GPL version 3, you are granted *
* additional permissions described in the GCC Runtime Library Exception, *
* version 3.1, as published by the Free Software Foundation. *
* *
* You should have received a copy of the GNU General Public License and *
* a copy of the GCC Runtime Library Exception along with this program; *
* see the files COPYING3 and COPYING.RUNTIME respectively. If not, see *
* <http://www.gnu.org/licenses/>. *
* *
* GNAT was originally developed by the GNAT team at New York University. *
* Extensive contributions were provided by Ada Core Technologies Inc. *
* *
****************************************************************************/
/* This unit provides default implementation for __gnat_initialize ()
which is called before the elaboration of the partition. It is provided
in a separate file/object so that users can replace it easily.
The default implementation should be null on most targets. */
/* The following include is here to meet the published VxWorks requirement
that the __vxworks header appear before any other include. */
#ifdef __vxworks
#include "vxWorks.h"
#endif
#ifdef IN_RTS
#include "runtime.h"
/* We don't have libiberty, so use malloc. */
#define xmalloc(S) malloc (S)
#define xrealloc(V,S) realloc (V,S)
#else
#include "config.h"
#include "system.h"
#endif
#include "raise.h"
#include <fcntl.h>
#ifdef __cplusplus
extern "C" {
#endif
/******************************************/
/* __gnat_initialize (NT-mingw32 Version) */
/******************************************/
#if defined (__MINGW32__)
extern void __gnat_install_SEH_handler (void *);
void
__gnat_initialize (void *eh ATTRIBUTE_UNUSED)
{
/* Note that we do not activate this for the compiler itself to avoid a
bootstrap path problem. Older version of gnatbind will generate a call
to __gnat_initialize() without argument. Therefore we cannot use eh in
this case. It will be possible to remove the following #ifdef at some
point. */
#ifdef IN_RTS
/* Install the Structured Exception handler. */
if (eh)
__gnat_install_SEH_handler (eh);
#endif
}
/******************************************/
/* __gnat_initialize (init_float version) */
/******************************************/
#elif defined (__Lynx__) || defined (__FreeBSD__) || defined(__NetBSD__) \
|| defined (__OpenBSD__) || defined (__DragonFly__)
void
__gnat_initialize (void *eh ATTRIBUTE_UNUSED)
{
}
/***************************************/
/* __gnat_initialize (VxWorks Version) */
/***************************************/
#elif defined(__vxworks)
void
__gnat_initialize (void *eh)
{
}
#elif defined(_T_HPUX10) || (!defined(IN_RTS) && defined(_X_HPUX10))
/************************************************/
/* __gnat_initialize (PA-RISC HP-UX 10 Version) */
/************************************************/
extern void __main (void);
void
__gnat_initialize (void *eh ATTRIBUTE_UNUSED)
{
__main ();
}
#else
/* For all other versions of GNAT, the initialize routine and handler
installation do nothing */
/***************************************/
/* __gnat_initialize (Default Version) */
/***************************************/
void
__gnat_initialize (void *eh ATTRIBUTE_UNUSED)
{
}
#endif
#ifdef __cplusplus
}
#endif
|
