binutils-gdb/gdbserver/linux-arm-tdesc.c
Tom Tromey 919adfe840 Move gdbserver to top level
This patch moves gdbserver to the top level.

This patch is as close to a pure move as possible -- gdbserver still
builds its own variant of gnulib and gdbsupport.  Changing this will
be done in a separate patch.

[v2] Note that, per Simon's review comment, this patch changes the
tree so that gdbserver is not built for or1k or score.  This makes
sense, because there is apparently not actually a gdbserver port here.

[v3] This version of the patch also splits out some configury into a
new file, gdbserver/configure.host, so that the top-level configure
script can simply rely on it in order to decide whether gdbserver
should be built.

[v4] This version adds documentation and removes some unnecessary
top-level dependencies.

[v5] Update docs to mention "make all-gdbserver" and change how
top-level configure decides whether to build gdbserver, switching to a
single, shared script.

Tested by the buildbot.

ChangeLog
2020-02-07  Tom Tromey  <tom@tromey.com>
	    Pedro Alves  <palves@redhat.com>

	* src-release.sh (GDB_SUPPORT_DIRS): Add gdbserver.
	* gdbserver: New directory, moved from gdb/gdbserver.
	* configure.ac (host_tools): Add gdbserver.
	Only build gdbserver on certain systems.
	* Makefile.in, configure: Rebuild.
	* Makefile.def (host_modules, dependencies): Add gdbserver.
	* MAINTAINERS: Add gdbserver.

gdb/ChangeLog
2020-02-07  Tom Tromey  <tom@tromey.com>

	* README: Update gdbserver documentation.
	* gdbserver: Move to top level.
	* configure.tgt (build_gdbserver): Remove.
	* configure.ac: Remove --enable-gdbserver.
	* configure: Rebuild.
	* Makefile.in (distclean): Don't mention gdbserver.

Change-Id: I826b7565b54604711dc7a11edea0499cd51ff39e
2020-02-07 08:42:25 -07:00

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C

/* Copyright (C) 2019-2020 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/>. */
#include "server.h"
#include "linux-arm-tdesc.h"
#include "tdesc.h"
#include "arch/arm.h"
#include <inttypes.h>
/* All possible Arm target descriptors. */
static struct target_desc *tdesc_arm_list[ARM_FP_TYPE_INVALID];
/* See linux-arm-tdesc.h. */
const target_desc *
arm_linux_read_description (arm_fp_type fp_type)
{
struct target_desc *tdesc = tdesc_arm_list[fp_type];
if (tdesc == nullptr)
{
tdesc = arm_create_target_description (fp_type);
static const char *expedite_regs[] = { "r11", "sp", "pc", 0 };
init_target_desc (tdesc, expedite_regs);
tdesc_arm_list[fp_type] = tdesc;
}
return tdesc;
}
/* See linux-arm-tdesc.h. */
arm_fp_type
arm_linux_get_tdesc_fp_type (const target_desc *tdesc)
{
gdb_assert (tdesc != nullptr);
/* Many of the tdesc_arm_list entries may not have been initialised yet. This
is ok, because tdesc must be one of the initialised ones. */
for (int i = ARM_FP_TYPE_NONE; i < ARM_FP_TYPE_INVALID; i++)
{
if (tdesc == tdesc_arm_list[i])
return (arm_fp_type) i;
}
return ARM_FP_TYPE_INVALID;
}