Joel Brobecker | 3666a04 | 2021-01-01 12:03:39 +0400 | [diff] [blame] | 1 | /* Copyright (C) 2019-2021 Free Software Foundation, Inc. |
Alan Hayward | 7cc1743 | 2019-07-19 15:04:48 +0100 | [diff] [blame] | 2 | |
| 3 | This file is part of GDB. |
| 4 | |
| 5 | This program is free software; you can redistribute it and/or modify |
| 6 | it under the terms of the GNU General Public License as published by |
| 7 | the Free Software Foundation; either version 3 of the License, or |
| 8 | (at your option) any later version. |
| 9 | |
| 10 | This program is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | GNU General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU General Public License |
| 16 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 17 | |
| 18 | #include "server.h" |
Simon Marchi | c0b0a14 | 2020-01-12 12:07:30 -0500 | [diff] [blame] | 19 | |
| 20 | #include "linux-arm-tdesc.h" |
| 21 | |
Alan Hayward | 7cc1743 | 2019-07-19 15:04:48 +0100 | [diff] [blame] | 22 | #include "tdesc.h" |
| 23 | #include "arch/arm.h" |
| 24 | #include <inttypes.h> |
| 25 | |
| 26 | /* All possible Arm target descriptors. */ |
| 27 | static struct target_desc *tdesc_arm_list[ARM_FP_TYPE_INVALID]; |
| 28 | |
| 29 | /* See linux-arm-tdesc.h. */ |
| 30 | |
| 31 | const target_desc * |
| 32 | arm_linux_read_description (arm_fp_type fp_type) |
| 33 | { |
| 34 | struct target_desc *tdesc = tdesc_arm_list[fp_type]; |
| 35 | |
| 36 | if (tdesc == nullptr) |
| 37 | { |
| 38 | tdesc = arm_create_target_description (fp_type); |
| 39 | |
| 40 | static const char *expedite_regs[] = { "r11", "sp", "pc", 0 }; |
| 41 | init_target_desc (tdesc, expedite_regs); |
| 42 | |
| 43 | tdesc_arm_list[fp_type] = tdesc; |
| 44 | } |
| 45 | |
| 46 | return tdesc; |
| 47 | } |
| 48 | |
| 49 | /* See linux-arm-tdesc.h. */ |
| 50 | |
| 51 | arm_fp_type |
| 52 | arm_linux_get_tdesc_fp_type (const target_desc *tdesc) |
| 53 | { |
| 54 | gdb_assert (tdesc != nullptr); |
| 55 | |
| 56 | /* Many of the tdesc_arm_list entries may not have been initialised yet. This |
| 57 | is ok, because tdesc must be one of the initialised ones. */ |
| 58 | for (int i = ARM_FP_TYPE_NONE; i < ARM_FP_TYPE_INVALID; i++) |
| 59 | { |
| 60 | if (tdesc == tdesc_arm_list[i]) |
| 61 | return (arm_fp_type) i; |
| 62 | } |
| 63 | |
| 64 | return ARM_FP_TYPE_INVALID; |
| 65 | } |