1 /* GNU/Linux on ARM target support, prototypes. 2 3 Copyright (C) 2006-2016 Free Software Foundation, Inc. 4 5 This file is part of GDB. 6 7 This program is free software; you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 3 of the License, or 10 (at your option) any later version. 11 12 This program is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 19 20 struct regset; 21 struct regcache; 22 23 #define ARM_LINUX_SIZEOF_NWFPE (8 * FP_REGISTER_SIZE \ 24 + 2 * INT_REGISTER_SIZE \ 25 + 8 + INT_REGISTER_SIZE) 26 27 /* Support for register format used by the NWFPE FPA emulator. Each 28 register takes three words, where either the first one, two, or 29 three hold a single, double, or extended precision value (depending 30 on the corresponding tag). The register set is eight registers, 31 followed by the fpsr and fpcr, followed by eight tag bytes, and a 32 final word flag which indicates whether NWFPE has been 33 initialized. */ 34 35 #define NWFPE_FPSR_OFFSET (8 * FP_REGISTER_SIZE) 36 #define NWFPE_FPCR_OFFSET (NWFPE_FPSR_OFFSET + INT_REGISTER_SIZE) 37 #define NWFPE_TAGS_OFFSET (NWFPE_FPCR_OFFSET + INT_REGISTER_SIZE) 38 #define NWFPE_INITFLAG_OFFSET (NWFPE_TAGS_OFFSET + 8) 39 40 void arm_linux_supply_gregset (const struct regset *regset, 41 struct regcache *regcache, 42 int regnum, const void *gregs_buf, size_t len); 43 void arm_linux_collect_gregset (const struct regset *regset, 44 const struct regcache *regcache, 45 int regnum, void *gregs_buf, size_t len); 46 47 void supply_nwfpe_register (struct regcache *regcache, int regno, 48 const gdb_byte *regs); 49 void collect_nwfpe_register (const struct regcache *regcache, int regno, 50 gdb_byte *regs); 51 52 void arm_linux_supply_nwfpe (const struct regset *regset, 53 struct regcache *regcache, 54 int regnum, const void *regs_buf, size_t len); 55 void arm_linux_collect_nwfpe (const struct regset *regset, 56 const struct regcache *regcache, 57 int regnum, void *regs_buf, size_t len); 58 59 /* ARM GNU/Linux HWCAP values. These are in defined in 60 <asm/elf.h> in current kernels. */ 61 #define HWCAP_VFP 64 62 #define HWCAP_IWMMXT 512 63 #define HWCAP_NEON 4096 64 #define HWCAP_VFPv3 8192 65 #define HWCAP_VFPv3D16 16384 66 67