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01027315f5
This patch moves the gdbsupport directory to the top level. This is the next step in the ongoing project to move gdbserver to the top level. The bulk of this patch was created by "git mv gdb/gdbsupport gdbsupport". This patch then adds a build system to gdbsupport and wires it into the top level. Then it changes gdb to use the top-level build. gdbserver, on the other hand, is not yet changed. It still does its own build of gdbsupport. ChangeLog 2020-01-14 Tom Tromey <tom@tromey.com> * src-release.sh (GDB_SUPPORT_DIRS): Add gdbsupport. * MAINTAINERS: Add gdbsupport. * configure: Rebuild. * configure.ac (configdirs): Add gdbsupport. * gdbsupport: New directory, move from gdb/gdbsupport. * Makefile.def (host_modules, dependencies): Add gnulib. * Makefile.in: Rebuild. gdb/ChangeLog 2020-01-14 Tom Tromey <tom@tromey.com> * nat/x86-linux-dregs.c: Include configh.h. * nat/linux-ptrace.c: Include configh.h. * nat/linux-btrace.c: Include configh.h. * defs.h: Include config.h, bfd.h. * configure.ac: Don't source common.host. (CONFIG_OBS, CONFIG_SRCS): Remove gdbsupport files. * configure: Rebuild. * acinclude.m4: Update path. * Makefile.in (SUPPORT, LIBSUPPORT, INCSUPPORT): New variables. (CONFIG_SRC_SUBDIR): Remove gdbsupport. (INTERNAL_CFLAGS_BASE): Add INCSUPPORT. (CLIBS): Add LIBSUPPORT. (CDEPS): Likewise. (COMMON_SFILES): Remove gdbsupport files. (HFILES_NO_SRCDIR): Likewise. (stamp-version): Update path to create-version.sh. (ALLDEPFILES): Remove gdbsupport files. gdb/gdbserver/ChangeLog 2020-01-14 Tom Tromey <tom@tromey.com> * server.h: Include config.h. * gdbreplay.c: Include config.h. * configure: Rebuild. * configure.ac: Don't source common.host. * acinclude.m4: Update path. * Makefile.in (INCSUPPORT): New variable. (INCLUDE_CFLAGS): Add INCSUPPORT. (SFILES): Update paths. (version-generated.c): Update path to create-version.sh. (gdbsupport/%-ipa.o, gdbsupport/%.o): Update paths. gdbsupport/ChangeLog 2020-01-14 Tom Tromey <tom@tromey.com> * common-defs.h: Add GDBSERVER case. Update includes. * acinclude.m4, aclocal.m4, config.in, configure, configure.ac, Makefile.am, Makefile.in, README: New files. * Moved from ../gdb/gdbsupport/ Change-Id: I07632e7798635c1bab389bf885971e584fb4bb78
163 lines
4.9 KiB
C
163 lines
4.9 KiB
C
/* Common definitions.
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Copyright (C) 1986-2020 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef COMMON_COMMON_DEFS_H
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#define COMMON_COMMON_DEFS_H
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#ifdef GDBSERVER
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#include <build-gnulib-gdbserver/config.h>
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#undef PACKAGE_NAME
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#undef PACKAGE
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#undef PACKAGE_VERSION
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#undef PACKAGE_STRING
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#undef PACKAGE_TARNAME
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#include <config.h>
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#else /* GDBSERVER */
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#include <gdbsupport/support-config.h>
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#undef PACKAGE_NAME
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#undef PACKAGE
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#undef PACKAGE_VERSION
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#undef PACKAGE_STRING
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#undef PACKAGE_TARNAME
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#include "gnulib/config.h"
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#endif /* GDBSERVER */
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/* From:
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https://www.gnu.org/software/gnulib/manual/html_node/stdint_002eh.html
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"On some hosts that predate C++11, when using C++ one must define
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__STDC_CONSTANT_MACROS to make visible the definitions of constant
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macros such as INTMAX_C, and one must define __STDC_LIMIT_MACROS to
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make visible the definitions of limit macros such as INTMAX_MAX.".
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And:
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https://www.gnu.org/software/gnulib/manual/html_node/inttypes_002eh.html
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"On some hosts that predate C++11, when using C++ one must define
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__STDC_FORMAT_MACROS to make visible the declarations of format
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macros such as PRIdMAX."
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Must do this before including any system header, since other system
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headers may include stdint.h/inttypes.h. */
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#define __STDC_CONSTANT_MACROS 1
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#define __STDC_LIMIT_MACROS 1
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#define __STDC_FORMAT_MACROS 1
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/* Some distros enable _FORTIFY_SOURCE by default, which on occasion
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has caused build failures with -Wunused-result when a patch is
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developed on a distro that does not enable _FORTIFY_SOURCE. We
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enable it here in order to try to catch these problems earlier;
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plus this seems like a reasonable safety measure. The check for
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optimization is required because _FORTIFY_SOURCE only works when
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optimization is enabled. If _FORTIFY_SOURCE is already defined,
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then we don't do anything. Also, on MinGW, fortify requires
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linking to -lssp, and to avoid the hassle of checking for
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that and linking to it statically, we just don't define
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_FORTIFY_SOURCE there. */
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#if (!defined _FORTIFY_SOURCE && defined __OPTIMIZE__ && __OPTIMIZE__ > 0 \
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&& !defined(__MINGW32__))
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#define _FORTIFY_SOURCE 2
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#endif
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/* We don't support Windows versions before XP, so we define
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_WIN32_WINNT correspondingly to ensure the Windows API headers
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expose the required symbols. */
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#if defined (__MINGW32__) || defined (__CYGWIN__)
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# ifdef _WIN32_WINNT
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# if _WIN32_WINNT < 0x0501
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# undef _WIN32_WINNT
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# define _WIN32_WINNT 0x0501
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# endif
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# else
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# define _WIN32_WINNT 0x0501
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# endif
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#endif /* __MINGW32__ || __CYGWIN__ */
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stddef.h>
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#include <stdint.h>
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#include <string.h>
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#ifdef HAVE_STRINGS_H
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#include <strings.h> /* for strcasecmp and strncasecmp */
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#endif
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#include <errno.h>
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#include <alloca.h>
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#include "ansidecl.h"
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/* This is defined by ansidecl.h, but we prefer gnulib's version. On
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MinGW, gnulib might enable __USE_MINGW_ANSI_STDIO, which may or not
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require use of attribute gnu_printf instead of printf. gnulib
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checks that at configure time. Since _GL_ATTRIBUTE_FORMAT_PRINTF
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is compatible with ATTRIBUTE_PRINTF, simply use it. */
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#undef ATTRIBUTE_PRINTF
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#define ATTRIBUTE_PRINTF _GL_ATTRIBUTE_FORMAT_PRINTF
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#if GCC_VERSION >= 3004
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#define ATTRIBUTE_UNUSED_RESULT __attribute__ ((__warn_unused_result__))
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#else
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#define ATTRIBUTE_UNUSED_RESULT
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#endif
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#include "libiberty.h"
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#include "pathmax.h"
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#include "gdb/signals.h"
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#include "gdb_locale.h"
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#include "ptid.h"
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#include "common-types.h"
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#include "common-utils.h"
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#include "gdb_assert.h"
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#include "errors.h"
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#include "print-utils.h"
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#include "common-debug.h"
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#include "cleanups.h"
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#include "common-exceptions.h"
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#include "gdbsupport/poison.h"
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#define EXTERN_C extern "C"
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#define EXTERN_C_PUSH extern "C" {
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#define EXTERN_C_POP }
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/* Pull in gdb::unique_xmalloc_ptr. */
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#include "gdbsupport/gdb_unique_ptr.h"
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/* String containing the current directory (what getwd would return). */
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extern char *current_directory;
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/* sbrk on macOS is not useful for our purposes, since sbrk(0) always
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returns the same value. brk/sbrk on macOS is just an emulation
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that always returns a pointer to a 4MB section reserved for
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that. */
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#if defined (HAVE_SBRK) && !__APPLE__
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#define HAVE_USEFUL_SBRK 1
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#endif
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#endif /* COMMON_COMMON_DEFS_H */
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