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Diffstat (limited to 'gdbsupport/common-defs.h')
| -rw-r--r-- | gdbsupport/common-defs.h | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/gdbsupport/common-defs.h b/gdbsupport/common-defs.h new file mode 100644 index 00000000000..d823c41607c --- /dev/null +++ b/gdbsupport/common-defs.h @@ -0,0 +1,162 @@ +/* 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 <http://www.gnu.org/licenses/>. */ + +#ifndef COMMON_COMMON_DEFS_H +#define COMMON_COMMON_DEFS_H + +#ifdef GDBSERVER + +#include <build-gnulib-gdbserver/config.h> + +#undef PACKAGE_NAME +#undef PACKAGE +#undef PACKAGE_VERSION +#undef PACKAGE_STRING +#undef PACKAGE_TARNAME + +#include <config.h> + +#else /* GDBSERVER */ + +#include <gdbsupport/support-config.h> + +#undef PACKAGE_NAME +#undef PACKAGE +#undef PACKAGE_VERSION +#undef PACKAGE_STRING +#undef PACKAGE_TARNAME + +#include "gnulib/config.h" + +#endif /* GDBSERVER */ + +/* 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 <stdarg.h> +#include <stdio.h> +#include <stdlib.h> +#include <stddef.h> +#include <stdint.h> +#include <string.h> +#ifdef HAVE_STRINGS_H +#include <strings.h> /* for strcasecmp and strncasecmp */ +#endif +#include <errno.h> +#include <alloca.h> + +#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 */ |