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- /* Copyright (C) 2020-2022 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 <sys/types.h>
- #include <sys/ptrace.h>
- #include <limits.h>
- #include "server.h"
- #include "netbsd-low.h"
- #include "arch/aarch64.h"
- #include "arch/aarch64-insn.h"
- #include "tdesc.h"
- /* The fill_function for the general-purpose register set. */
- static void
- netbsd_aarch64_fill_gregset (struct regcache *regcache, char *buf)
- {
- struct reg *r = (struct reg *) buf;
- #define netbsd_aarch64_collect_gp(regnum, fld) do { \
- collect_register (regcache, regnum, &r->fld); \
- } while (0)
- for (size_t i = 0; i < ARRAY_SIZE (r->r_reg); i++)
- netbsd_aarch64_collect_gp (AARCH64_X0_REGNUM + i, r_reg[i]);
- netbsd_aarch64_collect_gp (AARCH64_SP_REGNUM, r_sp);
- netbsd_aarch64_collect_gp (AARCH64_PC_REGNUM, r_pc);
- }
- /* The store_function for the general-purpose register set. */
- static void
- netbsd_aarch64_store_gregset (struct regcache *regcache, const char *buf)
- {
- struct reg *r = (struct reg *) buf;
- #define netbsd_aarch64_supply_gp(regnum, fld) do { \
- supply_register (regcache, regnum, &r->fld); \
- } while(0)
- for (size_t i = 0; i < ARRAY_SIZE (r->r_reg); i++)
- netbsd_aarch64_supply_gp (AARCH64_X0_REGNUM + i, r_reg[i]);
- netbsd_aarch64_supply_gp (AARCH64_SP_REGNUM, r_sp);
- netbsd_aarch64_supply_gp (AARCH64_PC_REGNUM, r_pc);
- }
- /* Description of all the aarch64-netbsd register sets. */
- static const struct netbsd_regset_info netbsd_target_regsets[] =
- {
- /* General Purpose Registers. */
- {PT_GETREGS, PT_SETREGS, sizeof (struct reg),
- netbsd_aarch64_fill_gregset, netbsd_aarch64_store_gregset},
- /* End of list marker. */
- {0, 0, -1, NULL, NULL }
- };
- /* NetBSD target op definitions for the aarch64 architecture. */
- class netbsd_aarch64_target : public netbsd_process_target
- {
- protected:
- const netbsd_regset_info *get_regs_info () override;
- void low_arch_setup () override;
- };
- /* Return the information to access registers. */
- const netbsd_regset_info *
- netbsd_aarch64_target::get_regs_info ()
- {
- return netbsd_target_regsets;
- }
- /* Architecture-specific setup for the current process. */
- void
- netbsd_aarch64_target::low_arch_setup ()
- {
- target_desc *tdesc
- = aarch64_create_target_description (0, false);
- static const char *expedite_regs_aarch64[] = { "x29", "sp", "pc", NULL };
- init_target_desc (tdesc, expedite_regs_aarch64);
- current_process ()->tdesc = tdesc;
- }
- /* The singleton target ops object. */
- static netbsd_aarch64_target the_netbsd_aarch64_target;
- /* The NetBSD target ops object. */
- netbsd_process_target *the_netbsd_target = &the_netbsd_aarch64_target;
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