1 /* Common target dependent for AArch64 systems. 2 3 Copyright (C) 2018-2019 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 NAT_AARCH64_SVE_LINUX_PTRACE_H 21 #define NAT_AARCH64_SVE_LINUX_PTRACE_H 22 23 #include <signal.h> 24 #include <sys/utsname.h> 25 #include <sys/ptrace.h> 26 #include <asm/ptrace.h> 27 28 #ifndef SVE_SIG_ZREGS_SIZE 29 #include "aarch64-sve-linux-sigcontext.h" 30 #endif 31 32 /* Indicates whether a SVE ptrace header is followed by SVE registers or a 33 fpsimd structure. */ 34 35 #define HAS_SVE_STATE(header) ((header).flags & SVE_PT_REGS_SVE) 36 37 /* Read VQ for the given tid using ptrace. If SVE is not supported then zero 38 is returned (on a system that supports SVE, then VQ cannot be zero). */ 39 40 uint64_t aarch64_sve_get_vq (int tid); 41 42 /* Read the current SVE register set using ptrace, allocating space as 43 required. */ 44 45 extern std::unique_ptr<gdb_byte[]> aarch64_sve_get_sveregs (int tid); 46 47 /* Put the registers from linux structure buf into register buffer. */ 48 49 extern void aarch64_sve_regs_copy_to_reg_buf (struct reg_buffer_common *reg_buf, 50 const void *buf); 51 52 /* Put the registers from register buffer into linux structure buf. */ 53 54 extern void 55 aarch64_sve_regs_copy_from_reg_buf (const struct reg_buffer_common *reg_buf, 56 void *buf); 57 58 #endif /* NAT_AARCH64_SVE_LINUX_PTRACE_H */ 59