/* Native-dependent code for FreeBSD/mips.
- Copyright (C) 2017 Free Software Foundation, Inc.
+ Copyright (C) 2017-2020 Free Software Foundation, Inc.
This file is part of GDB.
#include "mips-fbsd-tdep.h"
#include "inf-ptrace.h"
-/* Determine if PT_GETREGS fetches this register. */
+struct mips_fbsd_nat_target final : public fbsd_nat_target
+{
+ void fetch_registers (struct regcache *, int) override;
+ void store_registers (struct regcache *, int) override;
+};
+
+static mips_fbsd_nat_target the_mips_fbsd_nat_target;
+
+/* Determine if PT_GETREGS fetches REGNUM. */
static bool
getregs_supplies (struct gdbarch *gdbarch, int regnum)
{
return (regnum >= MIPS_ZERO_REGNUM
- && regnum <= gdbarch_pc_regnum (gdbarch));
+ && regnum <= mips_regnum (gdbarch)->pc);
+}
+
+/* Determine if PT_GETFPREGS fetches REGNUM. */
+
+static bool
+getfpregs_supplies (struct gdbarch *gdbarch, int regnum)
+{
+ return (regnum >= mips_regnum (gdbarch)->fp0
+ && regnum <= mips_regnum (gdbarch)->fp_implementation_revision);
}
/* Fetch register REGNUM from the inferior. If REGNUM is -1, do this
for all registers. */
-static void
-mips_fbsd_fetch_inferior_registers (struct target_ops *ops,
- struct regcache *regcache, int regnum)
+void
+mips_fbsd_nat_target::fetch_registers (struct regcache *regcache, int regnum)
{
- pid_t pid = get_ptrace_pid (regcache_get_ptid (regcache));
+ pid_t pid = get_ptrace_pid (regcache->ptid ());
- struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch *gdbarch = regcache->arch ();
if (regnum == -1 || getregs_supplies (gdbarch, regnum))
{
struct reg regs;
perror_with_name (_("Couldn't get registers"));
mips_fbsd_supply_gregs (regcache, regnum, ®s, sizeof (register_t));
- if (regnum != -1)
- return;
}
- if (regnum == -1
- || regnum >= gdbarch_fp0_regnum (get_regcache_arch (regcache)))
+ if (regnum == -1 || getfpregs_supplies (gdbarch, regnum))
{
struct fpreg fpregs;
/* Store register REGNUM back into the inferior. If REGNUM is -1, do
this for all registers. */
-static void
-mips_fbsd_store_inferior_registers (struct target_ops *ops,
- struct regcache *regcache, int regnum)
+void
+mips_fbsd_nat_target::store_registers (struct regcache *regcache, int regnum)
{
- pid_t pid = get_ptrace_pid (regcache_get_ptid (regcache));
+ pid_t pid = get_ptrace_pid (regcache->ptid ());
- struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch *gdbarch = regcache->arch ();
if (regnum == -1 || getregs_supplies (gdbarch, regnum))
{
struct reg regs;
if (ptrace (PT_SETREGS, pid, (PTRACE_TYPE_ARG3) ®s, 0) == -1)
perror_with_name (_("Couldn't write registers"));
-
- if (regnum != -1)
- return;
}
- if (regnum == -1
- || regnum >= gdbarch_fp0_regnum (get_regcache_arch (regcache)))
+ if (regnum == -1 || getfpregs_supplies (gdbarch, regnum))
{
struct fpreg fpregs;
perror_with_name (_("Couldn't write floating point status"));
}
}
-\f
-
-/* Provide a prototype to silence -Wmissing-prototypes. */
-void _initialize_mips_fbsd_nat (void);
void
_initialize_mips_fbsd_nat (void)
{
- struct target_ops *t;
-
- t = inf_ptrace_target ();
- t->to_fetch_registers = mips_fbsd_fetch_inferior_registers;
- t->to_store_registers = mips_fbsd_store_inferior_registers;
- fbsd_nat_add_target (t);
+ add_inf_child_target (&the_mips_fbsd_nat_target);
}