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/* Copyright (C) 2012-2017 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 "tdesc.h"
#include "regdef.h"
void
init_target_desc (struct target_desc *tdesc)
{
int offset = 0;
for (reg *reg : tdesc->reg_defs)
{
reg->offset = offset;
offset += reg->size;
}
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);
}
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 arch/tdesc.h. */
void
set_tdesc_architecture (struct target_desc *target_desc,
const char *name)
{
target_desc->arch = xstrdup (name);
}
/* See arch/tdesc.h. */
void
set_tdesc_osabi (struct target_desc *target_desc, const char *name)
{
target_desc->osabi = xstrdup (name);
}
/* Return a string which is of XML format, including XML target
description to be sent to GDB. */
const char *
tdesc_get_features_xml (target_desc *tdesc)
{
/* Either .xmltarget or .features is not NULL. */
gdb_assert (tdesc->xmltarget != NULL
|| (tdesc->features != NULL
&& tdesc->arch != NULL
&& tdesc->osabi != NULL));
if (tdesc->xmltarget == NULL)
{
std::string buffer ("@<?xml version=\"1.0\"?>");
buffer += "<!DOCTYPE target SYSTEM \"gdb-target.dtd\">";
buffer += "<target>";
buffer += "<architecture>";
buffer += tdesc->arch;
buffer += "</architecture>";
buffer += "<osabi>";
buffer += tdesc->osabi;
buffer += "</osabi>";
char *xml;
for (int i = 0; VEC_iterate (char_ptr, tdesc->features, i, xml); i++)
{
buffer += "<xi:include href=\"";
buffer += xml;
buffer += "\"/>";
}
buffer += "</target>";
tdesc->xmltarget = xstrdup (buffer.c_str ());
}
return tdesc->xmltarget;
}
#endif
struct tdesc_type
{};
/* See arch/tdesc.h. */
struct tdesc_feature *
tdesc_create_feature (struct target_desc *tdesc, const char *name,
const char *xml)
{
#ifndef IN_PROCESS_AGENT
VEC_safe_push (char_ptr, tdesc->features, xstrdup (xml));
#endif
return tdesc;
}
/* See arch/tdesc.h. */
struct tdesc_type *
tdesc_create_flags (struct tdesc_feature *feature, const char *name,
int size)
{
return NULL;
}
/* See arch/tdesc.h. */
void
tdesc_add_flag (struct tdesc_type *type, int start,
const char *flag_name)
{}
/* See arch/tdesc.h. */
struct tdesc_type *
tdesc_named_type (const struct tdesc_feature *feature, const char *id)
{
return NULL;
}
/* See arch/tdesc.h. */
struct tdesc_type *
tdesc_create_union (struct tdesc_feature *feature, const char *id)
{
return NULL;
}
/* See arch/tdesc.h. */
struct tdesc_type *
tdesc_create_struct (struct tdesc_feature *feature, const char *id)
{
return NULL;
}
/* See arch/tdesc.h. */
void
tdesc_create_reg (struct tdesc_feature *feature, const char *name,
int regnum, int save_restore, const char *group,
int bitsize, const char *type)
{
struct target_desc *tdesc = (struct target_desc *) feature;
while (tdesc->reg_defs.size () < regnum)
{
struct reg *reg = XCNEW (struct reg);
reg->name = "";
reg->size = 0;
tdesc->reg_defs.push_back (reg);
}
gdb_assert (regnum == 0
|| regnum == tdesc->reg_defs.size ());
struct reg *reg = XCNEW (struct reg);
reg->name = name;
reg->size = bitsize;
tdesc->reg_defs.push_back (reg);
}
/* See arch/tdesc.h. */
struct tdesc_type *
tdesc_create_vector (struct tdesc_feature *feature, const char *name,
struct tdesc_type *field_type, int count)
{
return NULL;
}
void
tdesc_add_bitfield (struct tdesc_type *type, const char *field_name,
int start, int end)
{}
/* See arch/tdesc.h. */
void
tdesc_add_field (struct tdesc_type *type, const char *field_name,
struct tdesc_type *field_type)
{}
/* See arch/tdesc.h. */
void
tdesc_set_struct_size (struct tdesc_type *type, int size)
{
}
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