/* Native-dependent code for PowerPC's running FreeBSD, for GDB.
- Copyright (C) 2013-2017 Free Software Foundation, Inc.
+ Copyright (C) 2013-2022 Free Software Foundation, Inc.
This file is part of GDB.
#include "inf-ptrace.h"
#include "bsd-kvm.h"
+struct ppc_fbsd_nat_target final : public fbsd_nat_target
+{
+ void fetch_registers (struct regcache *, int) override;
+ void store_registers (struct regcache *, int) override;
+};
+
+static ppc_fbsd_nat_target the_ppc_fbsd_nat_target;
+
/* Fill GDB's register array with the general-purpose register values
in *GREGSETP. */
static int
getfpregs_supplies (struct gdbarch *gdbarch, int regno)
{
- struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+ ppc_gdbarch_tdep *tdep = (ppc_gdbarch_tdep *) gdbarch_tdep (gdbarch);
/* FIXME: jimb/2004-05-05: Some PPC variants don't have floating
point registers. Traditionally, GDB's register set has still
/* Fetch register REGNO from the child process. If REGNO is -1, do it
for all registers. */
-static void
-ppcfbsd_fetch_inferior_registers (struct target_ops *ops,
- struct regcache *regcache, int regno)
+void
+ppc_fbsd_nat_target::fetch_registers (struct regcache *regcache, int regno)
{
gdb_gregset_t regs;
+ pid_t pid = regcache->ptid ().lwp ();
- if (ptrace (PT_GETREGS, ptid_get_lwp (inferior_ptid),
- (PTRACE_TYPE_ARG3) ®s, 0) == -1)
+ if (ptrace (PT_GETREGS, pid, (PTRACE_TYPE_ARG3) ®s, 0) == -1)
perror_with_name (_("Couldn't get registers"));
supply_gregset (regcache, ®s);
- if (regno == -1 || getfpregs_supplies (get_regcache_arch (regcache), regno))
+ if (regno == -1 || getfpregs_supplies (regcache->arch (), regno))
{
const struct regset *fpregset = ppc_fbsd_fpregset ();
gdb_fpregset_t fpregs;
- if (ptrace (PT_GETFPREGS, ptid_get_lwp (inferior_ptid),
- (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
+ if (ptrace (PT_GETFPREGS, pid, (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
perror_with_name (_("Couldn't get FP registers"));
ppc_supply_fpregset (fpregset, regcache, regno, &fpregs, sizeof fpregs);
/* Store register REGNO back into the child process. If REGNO is -1,
do this for all registers. */
-static void
-ppcfbsd_store_inferior_registers (struct target_ops *ops,
- struct regcache *regcache, int regno)
+void
+ppc_fbsd_nat_target::store_registers (struct regcache *regcache, int regno)
{
gdb_gregset_t regs;
+ pid_t pid = regcache->ptid ().lwp ();
- if (ptrace (PT_GETREGS, ptid_get_lwp (inferior_ptid),
- (PTRACE_TYPE_ARG3) ®s, 0) == -1)
+ if (ptrace (PT_GETREGS, pid, (PTRACE_TYPE_ARG3) ®s, 0) == -1)
perror_with_name (_("Couldn't get registers"));
fill_gregset (regcache, ®s, regno);
- if (ptrace (PT_SETREGS, ptid_get_lwp (inferior_ptid),
- (PTRACE_TYPE_ARG3) ®s, 0) == -1)
+ if (ptrace (PT_SETREGS, pid, (PTRACE_TYPE_ARG3) ®s, 0) == -1)
perror_with_name (_("Couldn't write registers"));
- if (regno == -1 || getfpregs_supplies (get_regcache_arch (regcache), regno))
+ if (regno == -1 || getfpregs_supplies (regcache->arch (), regno))
{
gdb_fpregset_t fpregs;
- if (ptrace (PT_GETFPREGS, ptid_get_lwp (inferior_ptid),
- (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
+ if (ptrace (PT_GETFPREGS, pid, (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
perror_with_name (_("Couldn't get FP registers"));
fill_fpregset (regcache, &fpregs, regno);
- if (ptrace (PT_SETFPREGS, ptid_get_lwp (inferior_ptid),
- (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
+ if (ptrace (PT_SETFPREGS, pid, (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
perror_with_name (_("Couldn't set FP registers"));
}
}
static int
ppcfbsd_supply_pcb (struct regcache *regcache, struct pcb *pcb)
{
- struct gdbarch *gdbarch = get_regcache_arch (regcache);
- struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+ struct gdbarch *gdbarch = regcache->arch ();
+ ppc_gdbarch_tdep *tdep = (ppc_gdbarch_tdep *) gdbarch_tdep (gdbarch);
int i, regnum;
/* The stack pointer shouldn't be zero. */
if (pcb->pcb_sp == 0)
return 0;
- regcache_raw_supply (regcache, gdbarch_sp_regnum (gdbarch), &pcb->pcb_sp);
- regcache_raw_supply (regcache, tdep->ppc_cr_regnum, &pcb->pcb_cr);
- regcache_raw_supply (regcache, tdep->ppc_lr_regnum, &pcb->pcb_lr);
+ regcache->raw_supply (gdbarch_sp_regnum (gdbarch), &pcb->pcb_sp);
+ regcache->raw_supply (tdep->ppc_cr_regnum, &pcb->pcb_cr);
+ regcache->raw_supply (tdep->ppc_lr_regnum, &pcb->pcb_lr);
for (i = 0, regnum = tdep->ppc_gp0_regnum + 14; i < 20; i++, regnum++)
- regcache_raw_supply (regcache, regnum, &pcb->pcb_context[i]);
+ regcache->raw_supply (regnum, &pcb->pcb_context[i]);
return 1;
}
-/* Provide a prototype to silence -Wmissing-prototypes. */
-
-void _initialize_ppcfbsd_nat (void);
-
+void _initialize_ppcfbsd_nat ();
void
-_initialize_ppcfbsd_nat (void)
+_initialize_ppcfbsd_nat ()
{
- struct target_ops *t;
-
- /* Add in local overrides. */
- t = inf_ptrace_target ();
- t->to_fetch_registers = ppcfbsd_fetch_inferior_registers;
- t->to_store_registers = ppcfbsd_store_inferior_registers;
- fbsd_nat_add_target (t);
+ add_inf_child_target (&the_ppc_fbsd_nat_target);
/* Support debugging kernel virtual memory images. */
bsd_kvm_add_target (ppcfbsd_supply_pcb);