binutils-gdb/gdbserver/linux-arm-tdesc.cc

66 lines
1.8 KiB
C++

/* Copyright (C) 2019-2022 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-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, false);
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;
}