1 /* Copyright (C) 2019-2023 Free Software Foundation, Inc. 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" 19 20 #include "linux-arm-tdesc.h" 21 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, false); 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 } 66