2018-05-31 21:36:48 +08:00
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/* Common target dependent for AArch64 systems.
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2021-01-01 16:03:39 +08:00
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Copyright (C) 2018-2021 Free Software Foundation, Inc.
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2018-05-31 21:36:48 +08:00
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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2019-01-28 03:51:36 +08:00
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#ifndef NAT_AARCH64_SVE_LINUX_PTRACE_H
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#define NAT_AARCH64_SVE_LINUX_PTRACE_H
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2018-05-31 21:36:48 +08:00
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2018-12-14 01:47:17 +08:00
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#include <signal.h>
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2018-05-31 21:36:48 +08:00
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#include <sys/utsname.h>
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#include <sys/ptrace.h>
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#include <asm/ptrace.h>
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2018-06-14 17:10:03 +08:00
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#ifndef SVE_SIG_ZREGS_SIZE
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#include "aarch64-sve-linux-sigcontext.h"
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#endif
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2018-06-15 19:21:31 +08:00
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/* Indicates whether a SVE ptrace header is followed by SVE registers or a
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fpsimd structure. */
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2018-06-22 17:26:51 +08:00
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#define HAS_SVE_STATE(header) ((header).flags & SVE_PT_REGS_SVE)
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2018-06-15 19:21:31 +08:00
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2018-05-31 21:36:48 +08:00
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/* Read VQ for the given tid using ptrace. If SVE is not supported then zero
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is returned (on a system that supports SVE, then VQ cannot be zero). */
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2018-06-01 23:37:45 +08:00
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uint64_t aarch64_sve_get_vq (int tid);
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2018-05-31 21:36:48 +08:00
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2019-04-15 19:31:21 +08:00
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/* Set VQ in the kernel for the given tid, using either the value VQ or
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reading from the register VG in the register buffer. */
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bool aarch64_sve_set_vq (int tid, uint64_t vq);
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bool aarch64_sve_set_vq (int tid, struct reg_buffer_common *reg_buf);
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2018-06-15 19:21:31 +08:00
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/* Read the current SVE register set using ptrace, allocating space as
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required. */
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extern std::unique_ptr<gdb_byte[]> aarch64_sve_get_sveregs (int tid);
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2019-04-15 19:31:21 +08:00
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/* Put the registers from linux structure buf into register buffer. Assumes the
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vector lengths in the register buffer match the size in the kernel. */
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2018-06-15 19:21:31 +08:00
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extern void aarch64_sve_regs_copy_to_reg_buf (struct reg_buffer_common *reg_buf,
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const void *buf);
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2019-04-15 19:31:21 +08:00
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/* Put the registers from register buffer into linux structure buf. Assumes the
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vector lengths in the register buffer match the size in the kernel. */
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2018-06-15 19:21:31 +08:00
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extern void
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aarch64_sve_regs_copy_from_reg_buf (const struct reg_buffer_common *reg_buf,
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void *buf);
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2019-01-28 03:51:36 +08:00
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#endif /* NAT_AARCH64_SVE_LINUX_PTRACE_H */
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