/* Common definitions. Copyright (C) 1986-2020 Free Software Foundation, Inc. This file is part of GDB. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ #ifndef COMMON_COMMON_DEFS_H #define COMMON_COMMON_DEFS_H #include #undef PACKAGE_NAME #undef PACKAGE #undef PACKAGE_VERSION #undef PACKAGE_STRING #undef PACKAGE_TARNAME #include "gnulib/config.h" /* From: https://www.gnu.org/software/gnulib/manual/html_node/stdint_002eh.html "On some hosts that predate C++11, when using C++ one must define __STDC_CONSTANT_MACROS to make visible the definitions of constant macros such as INTMAX_C, and one must define __STDC_LIMIT_MACROS to make visible the definitions of limit macros such as INTMAX_MAX.". And: https://www.gnu.org/software/gnulib/manual/html_node/inttypes_002eh.html "On some hosts that predate C++11, when using C++ one must define __STDC_FORMAT_MACROS to make visible the declarations of format macros such as PRIdMAX." Must do this before including any system header, since other system headers may include stdint.h/inttypes.h. */ #define __STDC_CONSTANT_MACROS 1 #define __STDC_LIMIT_MACROS 1 #define __STDC_FORMAT_MACROS 1 /* Some distros enable _FORTIFY_SOURCE by default, which on occasion has caused build failures with -Wunused-result when a patch is developed on a distro that does not enable _FORTIFY_SOURCE. We enable it here in order to try to catch these problems earlier; plus this seems like a reasonable safety measure. The check for optimization is required because _FORTIFY_SOURCE only works when optimization is enabled. If _FORTIFY_SOURCE is already defined, then we don't do anything. Also, on MinGW, fortify requires linking to -lssp, and to avoid the hassle of checking for that and linking to it statically, we just don't define _FORTIFY_SOURCE there. */ #if (!defined _FORTIFY_SOURCE && defined __OPTIMIZE__ && __OPTIMIZE__ > 0 \ && !defined(__MINGW32__)) #define _FORTIFY_SOURCE 2 #endif /* We don't support Windows versions before XP, so we define _WIN32_WINNT correspondingly to ensure the Windows API headers expose the required symbols. */ #if defined (__MINGW32__) || defined (__CYGWIN__) # ifdef _WIN32_WINNT # if _WIN32_WINNT < 0x0501 # undef _WIN32_WINNT # define _WIN32_WINNT 0x0501 # endif # else # define _WIN32_WINNT 0x0501 # endif #endif /* __MINGW32__ || __CYGWIN__ */ #include #include #include #include #include #include #ifdef HAVE_STRINGS_H #include /* for strcasecmp and strncasecmp */ #endif #include #include #include "ansidecl.h" /* This is defined by ansidecl.h, but we prefer gnulib's version. On MinGW, gnulib might enable __USE_MINGW_ANSI_STDIO, which may or not require use of attribute gnu_printf instead of printf. gnulib checks that at configure time. Since _GL_ATTRIBUTE_FORMAT_PRINTF is compatible with ATTRIBUTE_PRINTF, simply use it. */ #undef ATTRIBUTE_PRINTF #define ATTRIBUTE_PRINTF _GL_ATTRIBUTE_FORMAT_PRINTF #if GCC_VERSION >= 3004 #define ATTRIBUTE_UNUSED_RESULT __attribute__ ((__warn_unused_result__)) #else #define ATTRIBUTE_UNUSED_RESULT #endif #include "libiberty.h" #include "pathmax.h" #include "gdb/signals.h" #include "gdb_locale.h" #include "ptid.h" #include "common-types.h" #include "common-utils.h" #include "gdb_assert.h" #include "errors.h" #include "print-utils.h" #include "common-debug.h" #include "cleanups.h" #include "common-exceptions.h" #include "gdbsupport/poison.h" #define EXTERN_C extern "C" #define EXTERN_C_PUSH extern "C" { #define EXTERN_C_POP } /* Pull in gdb::unique_xmalloc_ptr. */ #include "gdbsupport/gdb_unique_ptr.h" /* String containing the current directory (what getwd would return). */ extern char *current_directory; /* sbrk on macOS is not useful for our purposes, since sbrk(0) always returns the same value. brk/sbrk on macOS is just an emulation that always returns a pointer to a 4MB section reserved for that. */ #if defined (HAVE_SBRK) && !__APPLE__ #define HAVE_USEFUL_SBRK 1 #endif #endif /* COMMON_COMMON_DEFS_H */