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/* GNU/Linux/aarch64 specific target description, for the remote server
for GDB.
Copyright (C) 2017-2022 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-aarch64-tdesc.h"
#include "tdesc.h"
#include "arch/aarch64.h"
#include "linux-aarch32-low.h"
#include <inttypes.h>
#include <unordered_map>
/* All possible aarch64 target descriptors. */
static std::unordered_map<aarch64_features, target_desc *> tdesc_aarch64_map;
/* Create the aarch64 target description. */
const target_desc *
aarch64_linux_read_description (const aarch64_features &features)
{
if (features.vq > AARCH64_MAX_SVE_VQ)
error (_("VQ is %" PRIu64 ", maximum supported value is %d"), features.vq,
AARCH64_MAX_SVE_VQ);
struct target_desc *tdesc = tdesc_aarch64_map[features];
if (tdesc == NULL)
{
tdesc = aarch64_create_target_description (features);
static const char *expedite_regs_aarch64[] = { "x29", "sp", "pc", NULL };
static const char *expedite_regs_aarch64_sve[] = { "x29", "sp", "pc",
"vg", NULL };
if (features.vq == 0)
init_target_desc (tdesc, expedite_regs_aarch64);
else
init_target_desc (tdesc, expedite_regs_aarch64_sve);
tdesc_aarch64_map[features] = tdesc;
}
return tdesc;
}
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