gdb: add target_ops::supports_displaced_step

[deliverable/binutils-gdb.git] / gdb / i386-gnu-nat.c

diff --git a/gdb/i386-gnu-nat.c b/gdb/i386-gnu-nat.c
index 9875d813485452cf8cf2aa670673854929c5142c..6382ca8acb22f87978a5d73a674d81b2b63e2d35 100644 (file)
--- a/gdb/i386-gnu-nat.c
+++ b/gdb/i386-gnu-nat.c
@@ -1,6 +1,6 @@
 /* Low level interface to i386 running the GNU Hurd.
 
-   Copyright (C) 1992-2018 Free Software Foundation, Inc.
+   Copyright (C) 1992-2020 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -17,6 +17,9 @@
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
+/* Include this first, to pick up the <mach.h> 'thread_info' diversion.  */
+#include "gnu-nat.h"
+
 /* Mach/Hurd headers are not yet ready for C++ compilation.  */
 extern "C"
 {
@@ -34,7 +37,6 @@ extern "C"
 
 #include "i386-tdep.h"
 
-#include "gnu-nat.h"
 #include "inf-child.h"
 #include "i387-tdep.h"
 
@@ -103,9 +105,8 @@ fetch_fpregs (struct regcache *regcache, struct proc *thread)
 }
 
 /* Fetch register REGNO, or all regs if REGNO is -1.  */
-static void
-gnu_fetch_registers (struct target_ops *ops,
-                    struct regcache *regcache, int regno)
+void
+i386_gnu_nat_target::fetch_registers (struct regcache *regcache, int regno)
 {
   struct proc *thread;
   ptid_t ptid = regcache->ptid ();
@@ -113,10 +114,10 @@ gnu_fetch_registers (struct target_ops *ops,
   /* Make sure we know about new threads.  */
   inf_update_procs (gnu_current_inf);
 
-  thread = inf_tid_to_thread (gnu_current_inf, ptid_get_lwp (ptid));
+  thread = inf_tid_to_thread (gnu_current_inf, ptid.lwp ());
   if (!thread)
     error (_("Can't fetch registers from thread %s: No such thread"),
-          target_pid_to_str (ptid));
+          target_pid_to_str (ptid).c_str ());
 
   if (regno < I386_NUM_GREGS || regno == -1)
     {
@@ -194,9 +195,8 @@ store_fpregs (const struct regcache *regcache, struct proc *thread, int regno)
 }
 
 /* Store at least register REGNO, or all regs if REGNO == -1.  */
-static void
-gnu_store_registers (struct target_ops *ops,
-                    struct regcache *regcache, int regno)
+void
+i386_gnu_nat_target::store_registers (struct regcache *regcache, int regno)
 {
   struct proc *thread;
   struct gdbarch *gdbarch = regcache->arch ();
@@ -205,10 +205,10 @@ gnu_store_registers (struct target_ops *ops,
   /* Make sure we know about new threads.  */
   inf_update_procs (gnu_current_inf);
 
-  thread = inf_tid_to_thread (gnu_current_inf, ptid_get_lwp (ptid));
+  thread = inf_tid_to_thread (gnu_current_inf, ptid.lwp ());
   if (!thread)
     error (_("Couldn't store registers into thread %s: No such thread"),
-          target_pid_to_str (ptid));
+          target_pid_to_str (ptid).c_str ());
 
   if (regno < I386_NUM_GREGS || regno == -1)
     {
@@ -392,7 +392,7 @@ i386_gnu_dr_get_reg (ptid_t ptid, int regnum)
   /* Make sure we know about new threads.  */
   inf_update_procs (gnu_current_inf);
 
-  thread = inf_tid_to_thread (gnu_current_inf, ptid_get_lwp (ptid));
+  thread = inf_tid_to_thread (gnu_current_inf, ptid.lwp ());
   i386_gnu_dr_get (&regs, thread);
 
   return regs.dr[regnum];
@@ -425,8 +425,9 @@ i386_gnu_dr_get_control (void)
 }
 #endif /* i386_DEBUG_STATE */
 
+void _initialize_i386gnu_nat ();
 void
-_initialize_i386gnu_nat (void)
+_initialize_i386gnu_nat ()
 {
 #ifdef i386_DEBUG_STATE
   x86_dr_low.set_control = i386_gnu_dr_set_control;
@@ -438,6 +439,8 @@ _initialize_i386gnu_nat (void)
   x86_set_debug_register_length (4);
 #endif /* i386_DEBUG_STATE */
 
+  gnu_target = &the_i386_gnu_nat_target;
+
   /* Register the target.  */
   add_inf_child_target (&the_i386_gnu_nat_target);
 }