| /* GNU/Linux/aarch64 specific target description, for the remote server |
| for GDB. |
| Copyright (C) 2017-2024 Free Software Foundation, Inc. |
| |
| This file is part of GDB. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| |
| |
| #include "linux-aarch64-tdesc.h" |
| |
| #include "tdesc.h" |
| #include "arch/aarch64.h" |
| #include "linux-aarch32-low.h" |
| #include <inttypes.h> |
| #include <unordered_map> |
| |
| /* Create the aarch64 target description. */ |
| |
| const target_desc * |
| aarch64_linux_read_description (const aarch64_features &features) |
| { |
| /* All possible aarch64 target descriptors. This map must live within |
| this function as the in-process-agent calls this function from a |
| constructor function, when globals might not yet have been |
| initialised. */ |
| static std::unordered_map<aarch64_features, target_desc *> tdesc_aarch64_map; |
| |
| if (features.vq > AARCH64_MAX_SVE_VQ) |
| error (_("VQ is %" PRIu64 ", maximum supported value is %d"), features.vq, |
| AARCH64_MAX_SVE_VQ); |
| |
| if (features.svq > AARCH64_MAX_SVE_VQ) |
| error (_("Streaming svq is %" PRIu8 ", maximum supported value is %d"), |
| features.svq, |
| AARCH64_MAX_SVE_VQ); |
| |
| struct target_desc *tdesc = tdesc_aarch64_map[features]; |
| |
| if (tdesc == NULL) |
| { |
| tdesc = aarch64_create_target_description (features); |
| |
| /* Configure the expedited registers. Calling init_target_desc takes |
| a copy of all the strings pointed to by expedited_registers so this |
| vector only needs to live for the scope of this function. */ |
| std::vector<const char *> expedited_registers; |
| expedited_registers.push_back ("x29"); |
| expedited_registers.push_back ("sp"); |
| expedited_registers.push_back ("pc"); |
| |
| if (features.vq > 0) |
| expedited_registers.push_back ("vg"); |
| if (features.svq > 0) |
| expedited_registers.push_back ("svg"); |
| |
| expedited_registers.push_back (nullptr); |
| |
| init_target_desc (tdesc, (const char **) expedited_registers.data ()); |
| |
| tdesc_aarch64_map[features] = tdesc; |
| } |
| |
| return tdesc; |
| } |