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[deliverable/binutils-gdb.git] / gdb / alpha-bsd-nat.c

diff --git a/gdb/alpha-bsd-nat.c b/gdb/alpha-bsd-nat.c
index b12d19f3434dfcd86ca888d75a3c2e35d638b119..8a8273934c4eb31d925ad51ead9c9bd9daf8dc4d 100644 (file)
--- a/gdb/alpha-bsd-nat.c
+++ b/gdb/alpha-bsd-nat.c
@@ -1,6 +1,6 @@
 /* Native-dependent code for Alpha BSD's.
 
-   Copyright (C) 2000-2019 Free Software Foundation, Inc.
+   Copyright (C) 2000-2020 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"
@@ -24,26 +26,13 @@
 #include "alpha-tdep.h"
 #include "alpha-bsd-tdep.h"
 #include "inf-ptrace.h"
+#include "nbsd-nat.h"
 
 #include <sys/types.h>
 #include <sys/ptrace.h>
 #include <machine/reg.h>
 
-#ifdef HAVE_SYS_PROCFS_H
-#include <sys/procfs.h>
-#endif
-
-#ifndef HAVE_GREGSET_T
-typedef struct reg gregset_t;
-#endif
-
-#ifndef HAVE_FPREGSET_T 
-typedef struct fpreg fpregset_t; 
-#endif 
-
-#include "gregset.h"
-
-struct alpha_bsd_nat_target final : public inf_ptrace_target
+struct alpha_bsd_nat_target final : public nbsd_nat_target
 {
   void fetch_registers (struct regcache *, int) override;
   void store_registers (struct regcache *, int) override;
@@ -51,34 +40,6 @@ struct alpha_bsd_nat_target final : public inf_ptrace_target
 
 static alpha_bsd_nat_target the_alpha_bsd_nat_target;
 
-/* Provide *regset() wrappers around the generic Alpha BSD register
-   supply/fill routines.  */
-
-void
-supply_gregset (struct regcache *regcache, const gregset_t *gregsetp)
-{
-  alphabsd_supply_reg (regcache, (const char *) gregsetp, -1);
-}
-
-void
-fill_gregset (const struct regcache *regcache, gregset_t *gregsetp, int regno)
-{
-  alphabsd_fill_reg (regcache, (char *) gregsetp, regno);
-}
-
-void
-supply_fpregset (struct regcache *regcache, const fpregset_t *fpregsetp)
-{
-  alphabsd_supply_fpreg (regcache, (const char *) fpregsetp, -1);
-}
-
-void
-fill_fpregset (const struct regcache *regcache,
-              fpregset_t *fpregsetp, int regno)
-{
-  alphabsd_fill_fpreg (regcache, (char *) fpregsetp, regno);
-}
-\f
 /* Determine if PT_GETREGS fetches this register.  */
 
 static int
@@ -94,12 +55,14 @@ getregs_supplies (int regno)
 void
 alpha_bsd_nat_target::fetch_registers (struct regcache *regcache, int regno)
 {
+  int lwp = regcache->ptid ().lwp ();
+
   if (regno == -1 || getregs_supplies (regno))
     {
       struct reg gregs;
 
       if (ptrace (PT_GETREGS, regcache->ptid ().pid (),
-                 (PTRACE_TYPE_ARG3) &gregs, 0) == -1)
+                 (PTRACE_TYPE_ARG3) &gregs, lwp) == -1)
        perror_with_name (_("Couldn't get registers"));
 
       alphabsd_supply_reg (regcache, (char *) &gregs, regno);
@@ -113,7 +76,7 @@ alpha_bsd_nat_target::fetch_registers (struct regcache *regcache, int regno)
       struct fpreg fpregs;
 
       if (ptrace (PT_GETFPREGS, regcache->ptid ().pid (),
-                 (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
+                 (PTRACE_TYPE_ARG3) &fpregs, lwp) == -1)
        perror_with_name (_("Couldn't get floating point status"));
 
       alphabsd_supply_fpreg (regcache, (char *) &fpregs, regno);
@@ -126,17 +89,19 @@ alpha_bsd_nat_target::fetch_registers (struct regcache *regcache, int regno)
 void
 alpha_bsd_nat_target::store_registers (struct regcache *regcache, int regno)
 {
+  int lwp = regcache->ptid ().lwp ();
+
   if (regno == -1 || getregs_supplies (regno))
     {
       struct reg gregs;
       if (ptrace (PT_GETREGS, regcache->ptid ().pid (),
-                  (PTRACE_TYPE_ARG3) &gregs, 0) == -1)
+                  (PTRACE_TYPE_ARG3) &gregs, lwp) == -1)
         perror_with_name (_("Couldn't get registers"));
 
       alphabsd_fill_reg (regcache, (char *) &gregs, regno);
 
       if (ptrace (PT_SETREGS, regcache->ptid ().pid (),
-                  (PTRACE_TYPE_ARG3) &gregs, 0) == -1)
+                  (PTRACE_TYPE_ARG3) &gregs, lwp) == -1)
         perror_with_name (_("Couldn't write registers"));
 
       if (regno != -1)
@@ -149,13 +114,13 @@ alpha_bsd_nat_target::store_registers (struct regcache *regcache, int regno)
       struct fpreg fpregs;
 
       if (ptrace (PT_GETFPREGS, regcache->ptid ().pid (),
-                 (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
+                 (PTRACE_TYPE_ARG3) &fpregs, lwp) == -1)
        perror_with_name (_("Couldn't get floating point status"));
 
       alphabsd_fill_fpreg (regcache, (char *) &fpregs, regno);
 
       if (ptrace (PT_SETFPREGS, regcache->ptid ().pid (),
-                 (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
+                 (PTRACE_TYPE_ARG3) &fpregs, lwp) == -1)
        perror_with_name (_("Couldn't write floating point status"));
     }
 }
@@ -192,8 +157,9 @@ alphabsd_supply_pcb (struct regcache *regcache, struct pcb *pcb)
 }
 \f
 
+void _initialize_alphabsd_nat ();
 void
-_initialize_alphabsd_nat (void)
+_initialize_alphabsd_nat ()
 {
   add_inf_child_target (&the_alpha_bsd_nat_target);