/* Native-dependent code for OpenBSD/powerpc.
- Copyright (C) 2004-2017 Free Software Foundation, Inc.
+ Copyright (C) 2004-2019 Free Software Foundation, Inc.
This file is part of GDB.
#include "obsd-nat.h"
#include "bsd-kvm.h"
+struct ppc_obsd_nat_target final : public obsd_nat_target
+{
+ void fetch_registers (struct regcache *, int) override;
+ void store_registers (struct regcache *, int) override;
+};
+
+static ppc_obsd_nat_target the_ppc_obsd_nat_target;
+
/* OpenBSD/powerpc didn't have PT_GETFPREGS/PT_SETFPREGS until release
4.0. On older releases the floating-point registers are handled by
PT_GETREGS/PT_SETREGS, but fpscr wasn't available.. */
/* Fetch register REGNUM from the inferior. If REGNUM is -1, do this
for all registers. */
-static void
-ppcobsd_fetch_registers (struct target_ops *ops,
- struct regcache *regcache, int regnum)
+void
+ppc_obsd_nat_target::fetch_registers (struct regcache *regcache, int regnum)
{
struct reg regs;
- pid_t pid = ptid_get_pid (regcache_get_ptid (regcache));
+ pid_t pid = regcache->ptid ().pid ();
if (ptrace (PT_GETREGS, pid, (PTRACE_TYPE_ARG3) ®s, 0) == -1)
perror_with_name (_("Couldn't get registers"));
#ifdef PT_GETFPREGS
if (regnum == -1
- || getfpregs_supplies (get_regcache_arch (regcache), regnum))
+ || getfpregs_supplies (regcache->arch (), regnum))
{
struct fpreg fpregs;
/* Store register REGNUM back into the inferior. If REGNUM is -1, do
this for all registers. */
-static void
-ppcobsd_store_registers (struct target_ops *ops,
- struct regcache *regcache, int regnum)
+void
+ppc_obsd_nat_target::store_registers (struct regcache *regcache, int regnum)
{
struct reg regs;
- pid_t pid = ptid_get_pid (regcache_get_ptid (regcache));
+ pid_t pid = regcache->ptid ().pid ();
if (ptrace (PT_GETREGS, pid, (PTRACE_TYPE_ARG3) ®s, 0) == -1)
perror_with_name (_("Couldn't get registers"));
#ifdef PT_GETFPREGS
if (regnum == -1
- || getfpregs_supplies (get_regcache_arch (regcache), regnum))
+ || getfpregs_supplies (regcache->arch (), regnum))
{
struct fpreg fpregs;
static int
ppcobsd_supply_pcb (struct regcache *regcache, struct pcb *pcb)
{
- struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch *gdbarch = regcache->arch ();
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
struct switchframe sf;
struct callframe cf;
return 0;
read_memory (pcb->pcb_sp, (gdb_byte *)&sf, sizeof sf);
- regcache_raw_supply (regcache, gdbarch_sp_regnum (gdbarch), &sf.sp);
- regcache_raw_supply (regcache, tdep->ppc_cr_regnum, &sf.cr);
- regcache_raw_supply (regcache, tdep->ppc_gp0_regnum + 2, &sf.fixreg2);
+ regcache->raw_supply (gdbarch_sp_regnum (gdbarch), &sf.sp);
+ regcache->raw_supply (tdep->ppc_cr_regnum, &sf.cr);
+ regcache->raw_supply (tdep->ppc_gp0_regnum + 2, &sf.fixreg2);
for (i = 0, regnum = tdep->ppc_gp0_regnum + 13; i < 19; i++, regnum++)
- regcache_raw_supply (regcache, regnum, &sf.fixreg[i]);
+ regcache->raw_supply (regnum, &sf.fixreg[i]);
read_memory (sf.sp, (gdb_byte *)&cf, sizeof cf);
- regcache_raw_supply (regcache, gdbarch_pc_regnum (gdbarch), &cf.lr);
- regcache_raw_supply (regcache, tdep->ppc_gp0_regnum + 30, &cf.r30);
- regcache_raw_supply (regcache, tdep->ppc_gp0_regnum + 31, &cf.r31);
+ regcache->raw_supply (gdbarch_pc_regnum (gdbarch), &cf.lr);
+ regcache->raw_supply (tdep->ppc_gp0_regnum + 30, &cf.r30);
+ regcache->raw_supply (tdep->ppc_gp0_regnum + 31, &cf.r31);
return 1;
}
-\f
-
-/* Provide a prototype to silence -Wmissing-prototypes. */
-void _initialize_ppcobsd_nat (void);
void
_initialize_ppcobsd_nat (void)
{
- struct target_ops *t;
-
- /* Add in local overrides. */
- t = inf_ptrace_target ();
- t->to_fetch_registers = ppcobsd_fetch_registers;
- t->to_store_registers = ppcobsd_store_registers;
- obsd_add_target (t);
+ add_inf_child_target (&the_ppc_obsd_nat_target);
/* General-purpose registers. */
ppcobsd_reg_offsets.r0_offset = offsetof (struct reg, gpr);
ppcobsd_fpreg_offsets.fpscr_size = 4;
#endif
- /* AltiVec registers. */
- ppcobsd_reg_offsets.vr0_offset = offsetof (struct vreg, vreg);
- ppcobsd_reg_offsets.vscr_offset = offsetof (struct vreg, vscr);
- ppcobsd_reg_offsets.vrsave_offset = offsetof (struct vreg, vrsave);
-
/* Support debugging kernel virtual memory images. */
bsd_kvm_add_target (ppcobsd_supply_pcb);
}