From 919adfe8409211c726c1d05b47ca59890ee648f1 Mon Sep 17 00:00:00 2001 From: Tom Tromey Date: Sun, 15 Dec 2019 07:37:06 -0700 Subject: 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 Pedro Alves * 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 * 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 --- gdb/gdbserver/tdesc.c | 204 -------------------------------------------------- 1 file changed, 204 deletions(-) delete mode 100644 gdb/gdbserver/tdesc.c (limited to 'gdb/gdbserver/tdesc.c') diff --git a/gdb/gdbserver/tdesc.c b/gdb/gdbserver/tdesc.c deleted file mode 100644 index de25e7c..0000000 --- a/gdb/gdbserver/tdesc.c +++ /dev/null @@ -1,204 +0,0 @@ -/* Copyright (C) 2012-2020 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 . */ - -#include "server.h" -#include "tdesc.h" -#include "regdef.h" - -#ifndef IN_PROCESS_AGENT - -target_desc::~target_desc () -{ - xfree ((char *) arch); - xfree ((char *) osabi); -} - -bool target_desc::operator== (const target_desc &other) const -{ - if (reg_defs != other.reg_defs) - return false; - - /* Compare expedite_regs. */ - int i = 0; - for (; expedite_regs[i] != NULL; i++) - { - if (strcmp (expedite_regs[i], other.expedite_regs[i]) != 0) - return false; - } - if (other.expedite_regs[i] != NULL) - return false; - - return true; -} - -#endif - -void target_desc::accept (tdesc_element_visitor &v) const -{ -#ifndef IN_PROCESS_AGENT - v.visit_pre (this); - - for (const tdesc_feature_up &feature : features) - feature->accept (v); - - v.visit_post (this); -#endif -} - -void -init_target_desc (struct target_desc *tdesc, - const char **expedite_regs) -{ - int offset = 0; - - /* Go through all the features and populate reg_defs. */ - for (const tdesc_feature_up &feature : tdesc->features) - for (const tdesc_reg_up &treg : feature->registers) - { - int regnum = treg->target_regnum; - - /* Register number will increase (possibly with gaps) or be zero. */ - gdb_assert (regnum == 0 || regnum >= tdesc->reg_defs.size ()); - - if (regnum != 0) - tdesc->reg_defs.resize (regnum, reg (offset)); - - tdesc->reg_defs.emplace_back (treg->name.c_str (), offset, - treg->bitsize); - offset += treg->bitsize; - } - - tdesc->registers_size = offset / 8; - - /* Make sure PBUFSIZ is large enough to hold a full register - packet. */ - gdb_assert (2 * tdesc->registers_size + 32 <= PBUFSIZ); - -#ifndef IN_PROCESS_AGENT - tdesc->expedite_regs = expedite_regs; -#endif -} - -struct target_desc * -allocate_target_description (void) -{ - return new target_desc (); -} - -#ifndef IN_PROCESS_AGENT - -static const struct target_desc default_description {}; - -void -copy_target_description (struct target_desc *dest, - const struct target_desc *src) -{ - dest->reg_defs = src->reg_defs; - dest->expedite_regs = src->expedite_regs; - dest->registers_size = src->registers_size; - dest->xmltarget = src->xmltarget; -} - -const struct target_desc * -current_target_desc (void) -{ - if (current_thread == NULL) - return &default_description; - - return current_process ()->tdesc; -} - -/* See gdbsupport/tdesc.h. */ - -const char * -tdesc_architecture_name (const struct target_desc *target_desc) -{ - return target_desc->arch; -} - -/* See gdbsupport/tdesc.h. */ - -void -set_tdesc_architecture (struct target_desc *target_desc, - const char *name) -{ - target_desc->arch = xstrdup (name); -} - -/* See gdbsupport/tdesc.h. */ - -const char * -tdesc_osabi_name (const struct target_desc *target_desc) -{ - return target_desc->osabi; -} - -/* See gdbsupport/tdesc.h. */ - -void -set_tdesc_osabi (struct target_desc *target_desc, const char *name) -{ - target_desc->osabi = xstrdup (name); -} - -/* See gdbsupport/tdesc.h. */ - -const char * -tdesc_get_features_xml (const target_desc *tdesc) -{ - /* Either .xmltarget or .features is not NULL. */ - gdb_assert (tdesc->xmltarget != NULL - || (!tdesc->features.empty () - && tdesc->arch != NULL)); - - if (tdesc->xmltarget == NULL) - { - std::string buffer ("@"); - print_xml_feature v (&buffer); - tdesc->accept (v); - tdesc->xmltarget = xstrdup (buffer.c_str ()); - } - - return tdesc->xmltarget; -} -#endif - -/* See gdbsupport/tdesc.h. */ - -struct tdesc_feature * -tdesc_create_feature (struct target_desc *tdesc, const char *name) -{ - struct tdesc_feature *new_feature = new tdesc_feature (name); - tdesc->features.emplace_back (new_feature); - return new_feature; -} - -/* See gdbsupport/tdesc.h. */ - -bool -tdesc_contains_feature (const target_desc *tdesc, const std::string &feature) -{ - gdb_assert (tdesc != nullptr); - - for (const tdesc_feature_up &f : tdesc->features) - { - if (f->name == feature) - return true; - } - - return false; -} -- cgit v1.1