| 1 | /* GNU/Linux/aarch64 specific target description, for the remote server |
| 2 | for GDB. |
| 3 | Copyright (C) 2017-2020 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 | #include "server.h" |
| 21 | |
| 22 | #include "linux-aarch64-tdesc.h" |
| 23 | |
| 24 | #include "tdesc.h" |
| 25 | #include "arch/aarch64.h" |
| 26 | #include "linux-aarch32-low.h" |
| 27 | #include <inttypes.h> |
| 28 | |
| 29 | /* All possible aarch64 target descriptors. */ |
| 30 | struct target_desc *tdesc_aarch64_list[AARCH64_MAX_SVE_VQ + 1][2/*pauth*/]; |
| 31 | |
| 32 | /* Create the aarch64 target description. */ |
| 33 | |
| 34 | const target_desc * |
| 35 | aarch64_linux_read_description (uint64_t vq, bool pauth_p) |
| 36 | { |
| 37 | if (vq > AARCH64_MAX_SVE_VQ) |
| 38 | error (_("VQ is %" PRIu64 ", maximum supported value is %d"), vq, |
| 39 | AARCH64_MAX_SVE_VQ); |
| 40 | |
| 41 | struct target_desc *tdesc = tdesc_aarch64_list[vq][pauth_p]; |
| 42 | |
| 43 | if (tdesc == NULL) |
| 44 | { |
| 45 | tdesc = aarch64_create_target_description (vq, pauth_p); |
| 46 | |
| 47 | static const char *expedite_regs_aarch64[] = { "x29", "sp", "pc", NULL }; |
| 48 | static const char *expedite_regs_aarch64_sve[] = { "x29", "sp", "pc", |
| 49 | "vg", NULL }; |
| 50 | |
| 51 | if (vq == 0) |
| 52 | init_target_desc (tdesc, expedite_regs_aarch64); |
| 53 | else |
| 54 | init_target_desc (tdesc, expedite_regs_aarch64_sve); |
| 55 | |
| 56 | tdesc_aarch64_list[vq][pauth_p] = tdesc; |
| 57 | } |
| 58 | |
| 59 | return tdesc; |
| 60 | } |