derek.holloway
7502bf64a4
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65 lines
1.8 KiB
C++
65 lines
1.8 KiB
C++
/* Copyright (C) 2019-2024 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "linux-arm-tdesc.h"
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#include "tdesc.h"
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#include "arch/arm.h"
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#include <inttypes.h>
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/* All possible Arm target descriptors. */
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static struct target_desc *tdesc_arm_list[ARM_FP_TYPE_INVALID];
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/* See linux-arm-tdesc.h. */
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const target_desc *
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arm_linux_read_description (arm_fp_type fp_type)
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{
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struct target_desc *tdesc = tdesc_arm_list[fp_type];
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if (tdesc == nullptr)
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{
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tdesc = arm_create_target_description (fp_type, false);
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static const char *expedite_regs[] = { "r11", "sp", "pc", 0 };
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init_target_desc (tdesc, expedite_regs, GDB_OSABI_LINUX);
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tdesc_arm_list[fp_type] = tdesc;
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}
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return tdesc;
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}
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/* See linux-arm-tdesc.h. */
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arm_fp_type
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arm_linux_get_tdesc_fp_type (const target_desc *tdesc)
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{
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gdb_assert (tdesc != nullptr);
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/* Many of the tdesc_arm_list entries may not have been initialised yet. This
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is ok, because tdesc must be one of the initialised ones. */
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for (int i = ARM_FP_TYPE_NONE; i < ARM_FP_TYPE_INVALID; i++)
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{
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if (tdesc == tdesc_arm_list[i])
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return (arm_fp_type) i;
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}
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return ARM_FP_TYPE_INVALID;
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}
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