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[deliverable/binutils-gdb.git] / gdb / gdbsupport / common-defs.h
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1/* Common definitions.
2
42a4f53d 3 Copyright (C) 1986-2019 Free Software Foundation, Inc.
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4
5 This file is part of GDB.
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
19
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20#ifndef COMMON_COMMON_DEFS_H
21#define COMMON_COMMON_DEFS_H
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22
23#include "config.h"
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24
25#undef PACKAGE_NAME
26#undef PACKAGE_VERSION
27#undef PACKAGE_STRING
28#undef PACKAGE_TARNAME
29
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30#ifdef GDBSERVER
31#include "build-gnulib-gdbserver/config.h"
32#else
73cc7272 33#include "../../gnulib/config.h"
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34#endif
35
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36#undef PACKAGE_NAME
37#undef PACKAGE_VERSION
38#undef PACKAGE_STRING
39#undef PACKAGE_TARNAME
40
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41/* From:
42 https://www.gnu.org/software/gnulib/manual/html_node/stdint_002eh.html
43
44 "On some hosts that predate C++11, when using C++ one must define
45 __STDC_CONSTANT_MACROS to make visible the definitions of constant
46 macros such as INTMAX_C, and one must define __STDC_LIMIT_MACROS to
47 make visible the definitions of limit macros such as INTMAX_MAX.".
48
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49 And:
50 https://www.gnu.org/software/gnulib/manual/html_node/inttypes_002eh.html
51
52 "On some hosts that predate C++11, when using C++ one must define
53 __STDC_FORMAT_MACROS to make visible the declarations of format
54 macros such as PRIdMAX."
55
56 Must do this before including any system header, since other system
57 headers may include stdint.h/inttypes.h. */
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58#define __STDC_CONSTANT_MACROS 1
59#define __STDC_LIMIT_MACROS 1
b30f354a 60#define __STDC_FORMAT_MACROS 1
28fe4f87 61
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62/* Some distros enable _FORTIFY_SOURCE by default, which on occasion
63 has caused build failures with -Wunused-result when a patch is
64 developed on a distro that does not enable _FORTIFY_SOURCE. We
65 enable it here in order to try to catch these problems earlier;
66 plus this seems like a reasonable safety measure. The check for
67 optimization is required because _FORTIFY_SOURCE only works when
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68 optimization is enabled. If _FORTIFY_SOURCE is already defined,
69 then we don't do anything. */
a97b53dd 70
656efb5e 71#if !defined _FORTIFY_SOURCE && defined __OPTIMIZE__ && __OPTIMIZE__ > 0
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72#define _FORTIFY_SOURCE 2
73#endif
74
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75/* We don't support Windows versions before XP, so we define
76 _WIN32_WINNT correspondingly to ensure the Windows API headers
77 expose the required symbols. */
78#if defined (__MINGW32__) || defined (__CYGWIN__)
79# ifdef _WIN32_WINNT
80# if _WIN32_WINNT < 0x0501
81# undef _WIN32_WINNT
82# define _WIN32_WINNT 0x0501
83# endif
84# else
85# define _WIN32_WINNT 0x0501
86# endif
87#endif /* __MINGW32__ || __CYGWIN__ */
88
355e2102 89#include <stdarg.h>
d02f550d 90#include <stdio.h>
d7096f71 91#include <stdlib.h>
8ebb3f56 92#include <stddef.h>
8cc73a39 93#include <stdint.h>
6d3d12eb 94#include <string.h>
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95#ifdef HAVE_STRINGS_H
96#include <strings.h> /* for strcasecmp and strncasecmp */
97#endif
bb974a24 98#include <errno.h>
9c232dda 99#include <alloca.h>
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100/* Must be included before pathmax.h to avoid build errors about localtime_r
101 and gmtime_r in gnulib on MinGW. This is a gnulib bug:
102 https://lists.gnu.org/archive/html/bug-gnulib/2019-11/msg00022.html */
103#include <time.h>
104
91ee7171 105
0e443c87 106#include "ansidecl.h"
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107/* This is defined by ansidecl.h, but we prefer gnulib's version. On
108 MinGW, gnulib might enable __USE_MINGW_ANSI_STDIO, which may or not
109 require use of attribute gnu_printf instead of printf. gnulib
110 checks that at configure time. Since _GL_ATTRIBUTE_FORMAT_PRINTF
111 is compatible with ATTRIBUTE_PRINTF, simply use it. */
112#undef ATTRIBUTE_PRINTF
113#define ATTRIBUTE_PRINTF _GL_ATTRIBUTE_FORMAT_PRINTF
114
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115#if GCC_VERSION >= 3004
116#define ATTRIBUTE_UNUSED_RESULT __attribute__ ((__warn_unused_result__))
117#else
118#define ATTRIBUTE_UNUSED_RESULT
119#endif
120
b9391142 121#include "libiberty.h"
a5fceff8 122#include "pathmax.h"
cb9f1a9b 123#include "gdb/signals.h"
3995eeee 124#include "gdb_locale.h"
4cb9c816 125#include "ptid.h"
03aef70f 126#include "common-types.h"
e76df0d0 127#include "common-utils.h"
dccbb609 128#include "gdb_assert.h"
ef87c8bb 129#include "errors.h"
f6e94d78 130#include "print-utils.h"
34abf635 131#include "common-debug.h"
6f1947e8 132#include "cleanups.h"
a442d071 133#include "common-exceptions.h"
268a13a5 134#include "gdbsupport/poison.h"
d02f550d 135
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136#define EXTERN_C extern "C"
137#define EXTERN_C_PUSH extern "C" {
138#define EXTERN_C_POP }
56000a98 139
5cc8c731 140/* Pull in gdb::unique_xmalloc_ptr. */
268a13a5 141#include "gdbsupport/gdb_unique_ptr.h"
da804164 142
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143/* String containing the current directory (what getwd would return). */
144extern char *current_directory;
145
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146/* sbrk on macOS is not useful for our purposes, since sbrk(0) always
147 returns the same value. brk/sbrk on macOS is just an emulation
148 that always returns a pointer to a 4MB section reserved for
149 that. */
150
151#if defined (HAVE_SBRK) && !__APPLE__
152#define HAVE_USEFUL_SBRK 1
153#endif
154
1a5c2598 155#endif /* COMMON_COMMON_DEFS_H */
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