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Diffstat (limited to 'gdbserver/linux-aarch64-tdesc.cc')
-rw-r--r-- | gdbserver/linux-aarch64-tdesc.cc | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/gdbserver/linux-aarch64-tdesc.cc b/gdbserver/linux-aarch64-tdesc.cc new file mode 100644 index 0000000..897fbb4 --- /dev/null +++ b/gdbserver/linux-aarch64-tdesc.cc @@ -0,0 +1,60 @@ +/* GNU/Linux/aarch64 specific target description, for the remote server + for GDB. + Copyright (C) 2017-2020 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 "server.h" + +#include "linux-aarch64-tdesc.h" + +#include "tdesc.h" +#include "arch/aarch64.h" +#include "linux-aarch32-low.h" +#include <inttypes.h> + +/* All possible aarch64 target descriptors. */ +struct target_desc *tdesc_aarch64_list[AARCH64_MAX_SVE_VQ + 1][2/*pauth*/]; + +/* Create the aarch64 target description. */ + +const target_desc * +aarch64_linux_read_description (uint64_t vq, bool pauth_p) +{ + if (vq > AARCH64_MAX_SVE_VQ) + error (_("VQ is %" PRIu64 ", maximum supported value is %d"), vq, + AARCH64_MAX_SVE_VQ); + + struct target_desc *tdesc = tdesc_aarch64_list[vq][pauth_p]; + + if (tdesc == NULL) + { + tdesc = aarch64_create_target_description (vq, pauth_p); + + static const char *expedite_regs_aarch64[] = { "x29", "sp", "pc", NULL }; + static const char *expedite_regs_aarch64_sve[] = { "x29", "sp", "pc", + "vg", NULL }; + + if (vq == 0) + init_target_desc (tdesc, expedite_regs_aarch64); + else + init_target_desc (tdesc, expedite_regs_aarch64_sve); + + tdesc_aarch64_list[vq][pauth_p] = tdesc; + } + + return tdesc; +} |