1 /* GNU/Linux on ARM target support, prototypes.
3 Copyright (C) 2006-2023 Free Software Foundation, Inc.
5 This file is part of GDB.
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.
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.
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/>. */
20 #ifndef ARM_LINUX_TDEP_H
21 #define ARM_LINUX_TDEP_H
26 #define ARM_LINUX_SIZEOF_NWFPE (8 * ARM_FP_REGISTER_SIZE \
27 + 2 * ARM_INT_REGISTER_SIZE \
28 + 8 + ARM_INT_REGISTER_SIZE)
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
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)
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
);
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
,
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
);
62 /* ARM GNU/Linux HWCAP values. These are in defined in
63 <asm/elf.h> in current kernels. */
65 #define HWCAP_IWMMXT 512
66 #define HWCAP_NEON 4096
67 #define HWCAP_VFPv3 8192
68 #define HWCAP_VFPv3D16 16384
70 #endif /* ARM_LINUX_TDEP_H */