3 Copyright (C) 1986-2020 Free Software Foundation, Inc.
5 This file is part of GDB.
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.
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.
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/>. */
20 #ifndef COMMON_COMMON_DEFS_H
21 #define COMMON_COMMON_DEFS_H
25 #include <gnulib/config.h>
29 #undef PACKAGE_VERSION
31 #undef PACKAGE_TARNAME
37 #include <gdbsupport/config.h>
41 #undef PACKAGE_VERSION
43 #undef PACKAGE_TARNAME
45 #include "gnulib/config.h"
47 #endif /* GDBSERVER */
50 https://www.gnu.org/software/gnulib/manual/html_node/stdint_002eh.html
52 "On some hosts that predate C++11, when using C++ one must define
53 __STDC_CONSTANT_MACROS to make visible the definitions of constant
54 macros such as INTMAX_C, and one must define __STDC_LIMIT_MACROS to
55 make visible the definitions of limit macros such as INTMAX_MAX.".
58 https://www.gnu.org/software/gnulib/manual/html_node/inttypes_002eh.html
60 "On some hosts that predate C++11, when using C++ one must define
61 __STDC_FORMAT_MACROS to make visible the declarations of format
62 macros such as PRIdMAX."
64 Must do this before including any system header, since other system
65 headers may include stdint.h/inttypes.h. */
66 #define __STDC_CONSTANT_MACROS 1
67 #define __STDC_LIMIT_MACROS 1
68 #define __STDC_FORMAT_MACROS 1
70 /* Some distros enable _FORTIFY_SOURCE by default, which on occasion
71 has caused build failures with -Wunused-result when a patch is
72 developed on a distro that does not enable _FORTIFY_SOURCE. We
73 enable it here in order to try to catch these problems earlier;
74 plus this seems like a reasonable safety measure. The check for
75 optimization is required because _FORTIFY_SOURCE only works when
76 optimization is enabled. If _FORTIFY_SOURCE is already defined,
77 then we don't do anything. Also, on MinGW, fortify requires
78 linking to -lssp, and to avoid the hassle of checking for
79 that and linking to it statically, we just don't define
80 _FORTIFY_SOURCE there. */
82 #if (!defined _FORTIFY_SOURCE && defined __OPTIMIZE__ && __OPTIMIZE__ > 0 \
83 && !defined(__MINGW32__))
84 #define _FORTIFY_SOURCE 2
87 /* We don't support Windows versions before XP, so we define
88 _WIN32_WINNT correspondingly to ensure the Windows API headers
89 expose the required symbols. */
90 #if defined (__MINGW32__) || defined (__CYGWIN__)
92 # if _WIN32_WINNT < 0x0501
94 # define _WIN32_WINNT 0x0501
97 # define _WIN32_WINNT 0x0501
99 #endif /* __MINGW32__ || __CYGWIN__ */
107 #ifdef HAVE_STRINGS_H
108 #include <strings.h> /* for strcasecmp and strncasecmp */
113 #include "ansidecl.h"
114 /* This is defined by ansidecl.h, but we prefer gnulib's version. On
115 MinGW, gnulib might enable __USE_MINGW_ANSI_STDIO, which may or not
116 require use of attribute gnu_printf instead of printf. gnulib
117 checks that at configure time. Since _GL_ATTRIBUTE_FORMAT_PRINTF
118 is compatible with ATTRIBUTE_PRINTF, simply use it. */
119 #undef ATTRIBUTE_PRINTF
120 #define ATTRIBUTE_PRINTF _GL_ATTRIBUTE_FORMAT_PRINTF
122 #if GCC_VERSION >= 3004
123 #define ATTRIBUTE_UNUSED_RESULT __attribute__ ((__warn_unused_result__))
125 #define ATTRIBUTE_UNUSED_RESULT
128 #include "libiberty.h"
130 #include "gdb/signals.h"
131 #include "gdb_locale.h"
133 #include "common-types.h"
134 #include "common-utils.h"
135 #include "gdb_assert.h"
137 #include "print-utils.h"
138 #include "common-debug.h"
139 #include "cleanups.h"
140 #include "common-exceptions.h"
141 #include "gdbsupport/poison.h"
143 #define EXTERN_C extern "C"
144 #define EXTERN_C_PUSH extern "C" {
145 #define EXTERN_C_POP }
147 /* Pull in gdb::unique_xmalloc_ptr. */
148 #include "gdbsupport/gdb_unique_ptr.h"
150 /* String containing the current directory (what getwd would return). */
151 extern char *current_directory
;
153 /* sbrk on macOS is not useful for our purposes, since sbrk(0) always
154 returns the same value. brk/sbrk on macOS is just an emulation
155 that always returns a pointer to a 4MB section reserved for
158 #if defined (HAVE_SBRK) && !__APPLE__
159 #define HAVE_USEFUL_SBRK 1
162 #endif /* COMMON_COMMON_DEFS_H */
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