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
26 #undef PACKAGE_VERSION
28 #undef PACKAGE_TARNAME
31 #include "build-gnulib-gdbserver/config.h"
33 #include "../../gnulib/config.h"
37 #undef PACKAGE_VERSION
39 #undef PACKAGE_TARNAME
42 https://www.gnu.org/software/gnulib/manual/html_node/stdint_002eh.html
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.".
50 https://www.gnu.org/software/gnulib/manual/html_node/inttypes_002eh.html
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."
56 Must do this before including any system header, since other system
57 headers may include stdint.h/inttypes.h. */
58 #define __STDC_CONSTANT_MACROS 1
59 #define __STDC_LIMIT_MACROS 1
60 #define __STDC_FORMAT_MACROS 1
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
68 optimization is enabled. If _FORTIFY_SOURCE is already defined,
69 then we don't do anything. Also, on MinGW, fortify requires
70 linking to -lssp, and to avoid the hassle of checking for
71 that and linking to it statically, we just don't define
72 _FORTIFY_SOURCE there. */
74 #if (!defined _FORTIFY_SOURCE && defined __OPTIMIZE__ && __OPTIMIZE__ > 0 \
75 && !defined(__MINGW32__))
76 #define _FORTIFY_SOURCE 2
79 /* We don't support Windows versions before XP, so we define
80 _WIN32_WINNT correspondingly to ensure the Windows API headers
81 expose the required symbols. */
82 #if defined (__MINGW32__) || defined (__CYGWIN__)
84 # if _WIN32_WINNT < 0x0501
86 # define _WIN32_WINNT 0x0501
89 # define _WIN32_WINNT 0x0501
91 #endif /* __MINGW32__ || __CYGWIN__ */
100 #include <strings.h> /* for strcasecmp and strncasecmp */
104 /* Must be included before pathmax.h to avoid build errors about localtime_r
105 and gmtime_r in gnulib on MinGW. This is a gnulib bug:
106 https://lists.gnu.org/archive/html/bug-gnulib/2019-11/msg00022.html */
110 #include "ansidecl.h"
111 /* This is defined by ansidecl.h, but we prefer gnulib's version. On
112 MinGW, gnulib might enable __USE_MINGW_ANSI_STDIO, which may or not
113 require use of attribute gnu_printf instead of printf. gnulib
114 checks that at configure time. Since _GL_ATTRIBUTE_FORMAT_PRINTF
115 is compatible with ATTRIBUTE_PRINTF, simply use it. */
116 #undef ATTRIBUTE_PRINTF
117 #define ATTRIBUTE_PRINTF _GL_ATTRIBUTE_FORMAT_PRINTF
119 #if GCC_VERSION >= 3004
120 #define ATTRIBUTE_UNUSED_RESULT __attribute__ ((__warn_unused_result__))
122 #define ATTRIBUTE_UNUSED_RESULT
125 #include "libiberty.h"
127 #include "gdb/signals.h"
128 #include "gdb_locale.h"
130 #include "common-types.h"
131 #include "common-utils.h"
132 #include "gdb_assert.h"
134 #include "print-utils.h"
135 #include "common-debug.h"
136 #include "cleanups.h"
137 #include "common-exceptions.h"
138 #include "gdbsupport/poison.h"
140 #define EXTERN_C extern "C"
141 #define EXTERN_C_PUSH extern "C" {
142 #define EXTERN_C_POP }
144 /* Pull in gdb::unique_xmalloc_ptr. */
145 #include "gdbsupport/gdb_unique_ptr.h"
147 /* String containing the current directory (what getwd would return). */
148 extern char *current_directory
;
150 /* sbrk on macOS is not useful for our purposes, since sbrk(0) always
151 returns the same value. brk/sbrk on macOS is just an emulation
152 that always returns a pointer to a 4MB section reserved for
155 #if defined (HAVE_SBRK) && !__APPLE__
156 #define HAVE_USEFUL_SBRK 1
159 #endif /* COMMON_COMMON_DEFS_H */
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