X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Fvax-bsd-nat.c;h=1ca1f7bb1e827e71750afe6e5aa87604cee2adfc;hb=8df017996f662ce6ab23aea4abeb8f7ac1f62651;hp=38106653f4f1a7e411e8d117dfd61b2371c94b01;hpb=e2882c85786571175a0b0bfc3bcd2f14620b1ea3;p=deliverable%2Fbinutils-gdb.git

diff --git a/gdb/vax-bsd-nat.c b/gdb/vax-bsd-nat.c
index 38106653f4..1ca1f7bb1e 100644
--- a/gdb/vax-bsd-nat.c
+++ b/gdb/vax-bsd-nat.c
@@ -1,6 +1,6 @@
 /* Native-dependent code for modern VAX BSD's.
 
-   Copyright (C) 2004-2018 Free Software Foundation, Inc.
+   Copyright (C) 2004-2020 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -17,6 +17,8 @@
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
+/* We define this to get types like register_t.  */
+#define _KERNTYPES
 #include "defs.h"
 #include "inferior.h"
 #include "regcache.h"
@@ -28,17 +30,26 @@
 
 #include "vax-tdep.h"
 #include "inf-ptrace.h"
+#include "nbsd-nat.h"
+
+struct vax_bsd_nat_target final : public nbsd_nat_target
+{
+  void fetch_registers (struct regcache *, int) override;
+  void store_registers (struct regcache *, int) override;
+};
+
+static vax_bsd_nat_target the_vax_bsd_nat_target;
 
 /* Supply the general-purpose registers stored in GREGS to REGCACHE.  */
 
 static void
 vaxbsd_supply_gregset (struct regcache *regcache, const void *gregs)
 {
-  const gdb_byte *regs = gregs;
+  const gdb_byte *regs = (const gdb_byte *)gregs;
   int regnum;
 
   for (regnum = 0; regnum < VAX_NUM_REGS; regnum++)
-    regcache_raw_supply (regcache, regnum, regs + regnum * 4);
+    regcache->raw_supply (regnum, regs + regnum * 4);
 }
 
 /* Collect the general-purpose registers from REGCACHE and store them
@@ -48,13 +59,13 @@ static void
 vaxbsd_collect_gregset (const struct regcache *regcache,
 			void *gregs, int regnum)
 {
-  gdb_byte *regs = gregs;
+  gdb_byte *regs = (void *)gregs;
   int i;
 
   for (i = 0; i <= VAX_NUM_REGS; i++)
     {
       if (regnum == -1 || regnum == i)
-	regcache_raw_collect (regcache, i, regs + i * 4);
+	regcache->raw_collect (i, regs + i * 4);
     }
 }
 
@@ -62,14 +73,14 @@ vaxbsd_collect_gregset (const struct regcache *regcache,
 /* Fetch register REGNUM from the inferior.  If REGNUM is -1, do this
    for all registers.  */
 
-static void
-vaxbsd_fetch_inferior_registers (struct target_ops *ops,
-				 struct regcache *regcache, int regnum)
+void
+vax_bsd_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 ();
+  int lwp = regcache->ptid ().lwp ();
 
-  if (ptrace (PT_GETREGS, pid, (PTRACE_TYPE_ARG3) &regs, 0) == -1)
+  if (ptrace (PT_GETREGS, pid, (PTRACE_TYPE_ARG3) &regs, lwp) == -1)
     perror_with_name (_("Couldn't get registers"));
 
   vaxbsd_supply_gregset (regcache, &regs);
@@ -78,19 +89,19 @@ vaxbsd_fetch_inferior_registers (struct target_ops *ops,
 /* Store register REGNUM back into the inferior.  If REGNUM is -1, do
    this for all registers.  */
 
-static void
-vaxbsd_store_inferior_registers (struct target_ops *ops,
-				 struct regcache *regcache, int regnum)
+void
+vax_bsd_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 ();
+  int lwp = regcache->ptid ().lwp ();
 
-  if (ptrace (PT_GETREGS, pid, (PTRACE_TYPE_ARG3) &regs, 0) == -1)
+  if (ptrace (PT_GETREGS, pid, (PTRACE_TYPE_ARG3) &regs, lwp) == -1)
     perror_with_name (_("Couldn't get registers"));
 
   vaxbsd_collect_gregset (regcache, &regs, regnum);
 
-  if (ptrace (PT_SETREGS, pid, (PTRACE_TYPE_ARG3) &regs, 0) == -1)
+  if (ptrace (PT_SETREGS, pid, (PTRACE_TYPE_ARG3) &regs, lwp) == -1)
     perror_with_name (_("Couldn't write registers"));
 }
 
@@ -116,25 +127,21 @@ vaxbsd_supply_pcb (struct regcache *regcache, struct pcb *pcb)
     return 0;
 
   for (regnum = VAX_R0_REGNUM; regnum < VAX_AP_REGNUM; regnum++)
-    regcache_raw_supply (regcache, regnum, &pcb->R[regnum - VAX_R0_REGNUM]);
-  regcache_raw_supply (regcache, VAX_AP_REGNUM, &pcb->AP);
-  regcache_raw_supply (regcache, VAX_FP_REGNUM, &pcb->FP);
-  regcache_raw_supply (regcache, VAX_SP_REGNUM, &pcb->KSP);
-  regcache_raw_supply (regcache, VAX_PC_REGNUM, &pcb->PC);
-  regcache_raw_supply (regcache, VAX_PS_REGNUM, &pcb->PSL);
+    regcache->raw_supply (regnum, &pcb->R[regnum - VAX_R0_REGNUM]);
+  regcache->raw_supply (VAX_AP_REGNUM, &pcb->AP);
+  regcache->raw_supply (VAX_FP_REGNUM, &pcb->FP);
+  regcache->raw_supply (VAX_SP_REGNUM, &pcb->KSP);
+  regcache->raw_supply (VAX_PC_REGNUM, &pcb->PC);
+  regcache->raw_supply (VAX_PS_REGNUM, &pcb->PSL);
 
   return 1;
 }
 
+void _initialize_vaxbsd_nat ();
 void
-_initialize_vaxbsd_nat (void)
+_initialize_vaxbsd_nat ()
 {
-  struct target_ops *t;
-
-  t = inf_ptrace_target ();
-  t->to_fetch_registers = vaxbsd_fetch_inferior_registers;
-  t->to_store_registers = vaxbsd_store_inferior_registers;
-  add_target (t);
+  add_inf_child_target (&the_vax_bsd_nat_target);
 
   /* Support debugging kernel virtual memory images.  */
   bsd_kvm_add_target (vaxbsd_supply_pcb);