/* GNU/Linux on AArch64 target support, prototypes.
- Copyright (C) 2012-2013 Free Software Foundation, Inc.
+ Copyright (C) 2012-2020 Free Software Foundation, Inc.
Contributed by ARM Ltd.
This file is part of GDB.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
-struct regcache;
+#ifndef AARCH64_LINUX_TDEP_H
+#define AARCH64_LINUX_TDEP_H
-extern void aarch64_linux_supply_gregset (struct regcache *regcache,
- const gdb_byte *gregs_buf);
-extern void aarch64_linux_supply_fpregset (struct regcache *regcache,
- const gdb_byte *fpregs_buf);
+#include "regset.h"
+
+/* The general-purpose regset consists of 31 X registers, plus SP, PC,
+ and PSTATE registers, as defined in the AArch64 port of the Linux
+ kernel. */
+#define AARCH64_LINUX_SIZEOF_GREGSET (34 * X_REGISTER_SIZE)
+
+/* The fp regset consists of 32 V registers, plus FPCR and FPSR which
+ are 4 bytes wide each, and the whole structure is padded to 128 bit
+ alignment. */
+#define AARCH64_LINUX_SIZEOF_FPREGSET (33 * V_REGISTER_SIZE)
+
+/* The pauth regset consists of 2 X sized registers. */
+#define AARCH64_LINUX_SIZEOF_PAUTH (2 * X_REGISTER_SIZE)
+
+extern const struct regset aarch64_linux_gregset;
+extern const struct regset aarch64_linux_fpregset;
+
+/* Matches HWCAP_PACA in kernel header arch/arm64/include/uapi/asm/hwcap.h. */
+#define AARCH64_HWCAP_PACA (1 << 30)
+
+#endif /* AARCH64_LINUX_TDEP_H */