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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
64 lines
2.2 KiB
C++
64 lines
2.2 KiB
C++
/* Copyright (C) 2017-2020 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_BYTE_VECTOR_H
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#define COMMON_BYTE_VECTOR_H
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#include "gdbsupport/def-vector.h"
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namespace gdb {
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/* byte_vector is a gdb_byte std::vector with a custom allocator that
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unlike std::vector<gdb_byte> does not zero-initialize new elements
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by default when the vector is created/resized. This is what you
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usually want when working with byte buffers, since if you're
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creating or growing a buffer you'll most surely want to fill it in
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with data, in which case zero-initialization would be a
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pessimization. For example:
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gdb::byte_vector buf (some_large_size);
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fill_with_data (buf.data (), buf.size ());
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On the odd case you do need zero initialization, then you can still
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call the overloads that specify an explicit value, like:
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gdb::byte_vector buf (some_initial_size, 0);
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buf.resize (a_bigger_size, 0);
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(Or use std::vector<gdb_byte> instead.)
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Note that unlike std::vector<gdb_byte>, function local
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gdb::byte_vector objects constructed with an initial size like:
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gdb::byte_vector buf (some_size);
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fill_with_data (buf.data (), buf.size ());
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usually compile down to the exact same as:
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std::unique_ptr<byte[]> buf (new gdb_byte[some_size]);
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fill_with_data (buf.get (), some_size);
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with the former having the advantage of being a bit more readable,
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and providing the whole std::vector API, if you end up needing it.
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*/
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using byte_vector = gdb::def_vector<gdb_byte>;
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using char_vector = gdb::def_vector<char>;
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} /* namespace gdb */
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#endif /* COMMON_DEF_VECTOR_H */
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