projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 122394f1 AH |
1 | /* Common target dependent for AArch64 systems. |
| 2 | ||
| 3 | Copyright (C) 2018 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 AARCH64_SVE_LINUX_PTRACE_H | |
| 21 | #define AARCH64_SVE_LINUX_PTRACE_H | |
| 22 | ||
| 23 | /* Where indicated, this file contains defines and macros lifted directly from | |
| 24 | the Linux kernel headers, with no modification. | |
| 25 | Refer to Linux kernel documentation for details. */ | |
| 26 | ||
| 27 | #include <asm/sigcontext.h> | |
| 28 | #include <sys/utsname.h> | |
| 29 | #include <sys/ptrace.h> | |
| 30 | #include <asm/ptrace.h> | |
| 31 | ||
| 32 | /* Read VQ for the given tid using ptrace. If SVE is not supported then zero | |
| 33 | is returned (on a system that supports SVE, then VQ cannot be zero). */ | |
| 34 | ||
| 39bfb937 | 35 | uint64_t aarch64_sve_get_vq (int tid); |
| 122394f1 AH |
36 | |
| 37 | /* Structures and defines taken from sigcontext.h. */ | |
| 38 | ||
| 39 | #ifndef SVE_SIG_ZREGS_SIZE | |
| 40 | ||
| 41 | #define SVE_VQ_BYTES 16 /* number of bytes per quadword */ | |
| 42 | ||
| 43 | #define SVE_VQ_MIN 1 | |
| 44 | #define SVE_VQ_MAX 512 | |
| 45 | ||
| 46 | #define SVE_VL_MIN (SVE_VQ_MIN * SVE_VQ_BYTES) | |
| 47 | #define SVE_VL_MAX (SVE_VQ_MAX * SVE_VQ_BYTES) | |
| 48 | ||
| 49 | #define SVE_NUM_ZREGS 32 | |
| 50 | #define SVE_NUM_PREGS 16 | |
| 51 | ||
| 52 | #define sve_vl_valid(vl) \ | |
| 53 | ((vl) % SVE_VQ_BYTES == 0 && (vl) >= SVE_VL_MIN && (vl) <= SVE_VL_MAX) | |
| 54 | ||
| 55 | #endif /* SVE_SIG_ZREGS_SIZE. */ | |
| 56 | ||
| 57 | ||
| 58 | /* Structures and defines taken from ptrace.h. */ | |
| 59 | ||
| 60 | #ifndef SVE_PT_SVE_ZREG_SIZE | |
| 61 | ||
| 62 | struct user_sve_header { | |
| 63 | __u32 size; /* total meaningful regset content in bytes */ | |
| 64 | __u32 max_size; /* maxmium possible size for this thread */ | |
| 65 | __u16 vl; /* current vector length */ | |
| 66 | __u16 max_vl; /* maximum possible vector length */ | |
| 67 | __u16 flags; | |
| 68 | __u16 __reserved; | |
| 69 | }; | |
| 70 | ||
| 71 | #endif /* SVE_PT_SVE_ZREG_SIZE. */ | |
| 72 | ||
| 73 | #endif /* aarch64-sve-linux-ptrace.h */ |