+ regcache->supply_regset (regset, regnum, regs, size);
+ return true;
+ }
+ return false;
+}
+
+/* See fbsd-nat.h. */
+
+bool
+fbsd_nat_target::store_register_set (struct regcache *regcache, int regnum,
+ int fetch_op, int store_op,
+ const struct regset *regset, void *regs,
+ size_t size)
+{
+ const struct regcache_map_entry *map
+ = (const struct regcache_map_entry *) regset->regmap;
+ pid_t pid = get_ptrace_pid (regcache->ptid ());
+
+ if (regnum == -1 || regcache_map_supplies (map, regnum, regcache->arch(),
+ size))
+ {
+ if (ptrace (fetch_op, pid, (PTRACE_TYPE_ARG3) regs, 0) == -1)
+ perror_with_name (_("Couldn't get registers"));
+
+ regcache->collect_regset (regset, regnum, regs, size);
+
+ if (ptrace (store_op, pid, (PTRACE_TYPE_ARG3) regs, 0) == -1)
+ perror_with_name (_("Couldn't write registers"));
+ return true;
+ }
+ return false;
+}
+
+/* See fbsd-nat.h. */
+
+bool
+fbsd_nat_target::have_regset (ptid_t ptid, int note)
+{
+ pid_t pid = get_ptrace_pid (ptid);
+ struct iovec iov;
+
+ iov.iov_base = nullptr;
+ iov.iov_len = 0;
+ if (ptrace (PT_GETREGSET, pid, (PTRACE_TYPE_ARG3) &iov, note) == -1)
+ return 0;
+ return iov.iov_len;
+}
+
+/* See fbsd-nat.h. */
+
+bool
+fbsd_nat_target::fetch_regset (struct regcache *regcache, int regnum, int note,
+ const struct regset *regset, void *regs,
+ size_t size)
+{
+ const struct regcache_map_entry *map
+ = (const struct regcache_map_entry *) regset->regmap;
+ pid_t pid = get_ptrace_pid (regcache->ptid ());
+
+ if (regnum == -1 || regcache_map_supplies (map, regnum, regcache->arch(),
+ size))
+ {
+ struct iovec iov;
+
+ iov.iov_base = regs;
+ iov.iov_len = size;
+ if (ptrace (PT_GETREGSET, pid, (PTRACE_TYPE_ARG3) &iov, note) == -1)
+ perror_with_name (_("Couldn't get registers"));
+
+ regcache->supply_regset (regset, regnum, regs, size);
+ return true;
+ }
+ return false;
+}
+
+bool
+fbsd_nat_target::store_regset (struct regcache *regcache, int regnum, int note,
+ const struct regset *regset, void *regs,
+ size_t size)
+{
+ const struct regcache_map_entry *map
+ = (const struct regcache_map_entry *) regset->regmap;
+ pid_t pid = get_ptrace_pid (regcache->ptid ());
+
+ if (regnum == -1 || regcache_map_supplies (map, regnum, regcache->arch(),
+ size))
+ {
+ struct iovec iov;
+
+ iov.iov_base = regs;
+ iov.iov_len = size;
+ if (ptrace (PT_GETREGSET, pid, (PTRACE_TYPE_ARG3) &iov, note) == -1)
+ perror_with_name (_("Couldn't get registers"));
+
+ regcache->collect_regset (regset, regnum, regs, size);
+
+ if (ptrace (PT_SETREGSET, pid, (PTRACE_TYPE_ARG3) &iov, note) == -1)
+ perror_with_name (_("Couldn't write registers"));
+ return true;
+ }
+ return false;
+}
+
+/* See fbsd-nat.h. */
+
+bool
+fbsd_nat_get_siginfo (ptid_t ptid, siginfo_t *siginfo)
+{
+ struct ptrace_lwpinfo pl;
+ pid_t pid = get_ptrace_pid (ptid);
+
+ if (ptrace (PT_LWPINFO, pid, (caddr_t) &pl, sizeof pl) == -1)
+ return false;
+ if (!(pl.pl_flags & PL_FLAG_SI))
+ return false;;
+ *siginfo = pl.pl_siginfo;
+ return (true);
+}
+
+void _initialize_fbsd_nat ();