| 1 | /* GNU/Linux on ARM target support, prototypes. |
| 2 | |
| 3 | Copyright (C) 2006-2020 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 | #ifndef ARM_LINUX_TDEP_H |
| 21 | #define ARM_LINUX_TDEP_H |
| 22 | |
| 23 | struct regset; |
| 24 | struct regcache; |
| 25 | |
| 26 | #define ARM_LINUX_SIZEOF_NWFPE (8 * ARM_FP_REGISTER_SIZE \ |
| 27 | + 2 * ARM_INT_REGISTER_SIZE \ |
| 28 | + 8 + ARM_INT_REGISTER_SIZE) |
| 29 | |
| 30 | /* Support for register format used by the NWFPE FPA emulator. Each |
| 31 | register takes three words, where either the first one, two, or |
| 32 | three hold a single, double, or extended precision value (depending |
| 33 | on the corresponding tag). The register set is eight registers, |
| 34 | followed by the fpsr and fpcr, followed by eight tag bytes, and a |
| 35 | final word flag which indicates whether NWFPE has been |
| 36 | initialized. */ |
| 37 | |
| 38 | #define NWFPE_FPSR_OFFSET (8 * ARM_FP_REGISTER_SIZE) |
| 39 | #define NWFPE_FPCR_OFFSET (NWFPE_FPSR_OFFSET + ARM_INT_REGISTER_SIZE) |
| 40 | #define NWFPE_TAGS_OFFSET (NWFPE_FPCR_OFFSET + ARM_INT_REGISTER_SIZE) |
| 41 | #define NWFPE_INITFLAG_OFFSET (NWFPE_TAGS_OFFSET + 8) |
| 42 | |
| 43 | void arm_linux_supply_gregset (const struct regset *regset, |
| 44 | struct regcache *regcache, |
| 45 | int regnum, const void *gregs_buf, size_t len); |
| 46 | void arm_linux_collect_gregset (const struct regset *regset, |
| 47 | const struct regcache *regcache, |
| 48 | int regnum, void *gregs_buf, size_t len); |
| 49 | |
| 50 | void supply_nwfpe_register (struct regcache *regcache, int regno, |
| 51 | const gdb_byte *regs); |
| 52 | void collect_nwfpe_register (const struct regcache *regcache, int regno, |
| 53 | gdb_byte *regs); |
| 54 | |
| 55 | void arm_linux_supply_nwfpe (const struct regset *regset, |
| 56 | struct regcache *regcache, |
| 57 | int regnum, const void *regs_buf, size_t len); |
| 58 | void arm_linux_collect_nwfpe (const struct regset *regset, |
| 59 | const struct regcache *regcache, |
| 60 | int regnum, void *regs_buf, size_t len); |
| 61 | |
| 62 | /* ARM GNU/Linux HWCAP values. These are in defined in |
| 63 | <asm/elf.h> in current kernels. */ |
| 64 | #define HWCAP_VFP 64 |
| 65 | #define HWCAP_IWMMXT 512 |
| 66 | #define HWCAP_NEON 4096 |
| 67 | #define HWCAP_VFPv3 8192 |
| 68 | #define HWCAP_VFPv3D16 16384 |
| 69 | |
| 70 | #endif /* ARM_LINUX_TDEP_H */ |