/* Native-dependent code for NetBSD/sh. Copyright (C) 2002-2023 Free Software Foundation, Inc. Contributed by Wasabi Systems, 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 . */ #include "defs.h" #include "inferior.h" #include #include #include #include "sh-tdep.h" #include "inf-ptrace.h" #include "netbsd-nat.h" #include "regcache.h" struct sh_nbsd_nat_target final : public nbsd_nat_target { void fetch_registers (struct regcache *, int) override; void store_registers (struct regcache *, int) override; }; static sh_nbsd_nat_target the_sh_nbsd_nat_target; /* Determine if PT_GETREGS fetches this register. */ #define GETREGS_SUPPLIES(gdbarch, regno) \ (((regno) >= R0_REGNUM && (regno) <= (R0_REGNUM + 15)) \ || (regno) == gdbarch_pc_regnum (gdbarch) || (regno) == PR_REGNUM \ || (regno) == MACH_REGNUM || (regno) == MACL_REGNUM \ || (regno) == SR_REGNUM || (regno) == GBR_REGNUM) /* Sizeof `struct reg' in . */ #define SHNBSD_SIZEOF_GREGS (22 * 4) void sh_nbsd_nat_target::fetch_registers (struct regcache *regcache, int regno) { pid_t pid = regcache->ptid ().pid (); int lwp = regcache->ptid ().lwp (); if (regno == -1 || GETREGS_SUPPLIES (regcache->arch (), regno)) { struct reg inferior_registers; if (ptrace (PT_GETREGS, pid, (PTRACE_TYPE_ARG3) &inferior_registers, lwp) == -1) perror_with_name (_("Couldn't get registers")); sh_corefile_supply_regset (&sh_corefile_gregset, regcache, regno, (char *) &inferior_registers, SHNBSD_SIZEOF_GREGS); if (regno != -1) return; } } void sh_nbsd_nat_target::store_registers (struct regcache *regcache, int regno) { pid_t pid = regcache->ptid ().pid (); int lwp = regcache->ptid ().lwp (); if (regno == -1 || GETREGS_SUPPLIES (regcache->arch (), regno)) { struct reg inferior_registers; if (ptrace (PT_GETREGS, pid, (PTRACE_TYPE_ARG3) &inferior_registers, lwp) == -1) perror_with_name (_("Couldn't get registers")); sh_corefile_collect_regset (&sh_corefile_gregset, regcache, regno, (char *) &inferior_registers, SHNBSD_SIZEOF_GREGS); if (ptrace (PT_SETREGS, pid, (PTRACE_TYPE_ARG3) &inferior_registers, lwp) == -1) perror_with_name (_("Couldn't set registers")); if (regno != -1) return; } } void _initialize_shnbsd_nat (); void _initialize_shnbsd_nat () { add_inf_child_target (&the_sh_nbsd_nat_target); }