Add target_ops argument to to_insert_hw_breakpoint

[deliverable/binutils-gdb.git] / gdb / i386gnu-nat.c

diff --git a/gdb/i386gnu-nat.c b/gdb/i386gnu-nat.c
index 6545d08604ebb9afa053f89a7819ff8ec2e15e12..d0a610b05888aab4e57c74f5244251f96a60be6f 100644 (file)
--- a/gdb/i386gnu-nat.c
+++ b/gdb/i386gnu-nat.c
@@ -1,7 +1,6 @@
 /* Low level interface to i386 running the GNU Hurd.
 
-   Copyright (C) 1992, 1995, 1996, 1998, 2000, 2001, 2004, 2007, 2008
-   Free Software Foundation, Inc.
+   Copyright (C) 1992-2014 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -26,7 +25,7 @@
 #include "gdb_assert.h"
 #include <errno.h>
 #include <stdio.h>
-#include "gdb_string.h"
+#include <string.h>
 
 #include <mach.h>
 #include <mach_error.h>
@@ -56,8 +55,21 @@ static int reg_offset[] =
   REG_OFFSET (ds), REG_OFFSET (es), REG_OFFSET (fs), REG_OFFSET (gs)
 };
 
+/* Offset to the greg_t location where REG is stored.  */
+#define CREG_OFFSET(reg) (REG_##reg * 4)
+
+/* At CREG_OFFSET[N] is the offset to the greg_t location where
+   the GDB register N is stored.  */
+static int creg_offset[] =
+{
+  CREG_OFFSET (EAX), CREG_OFFSET (ECX), CREG_OFFSET (EDX), CREG_OFFSET (EBX),
+  CREG_OFFSET (UESP), CREG_OFFSET (EBP), CREG_OFFSET (ESI), CREG_OFFSET (EDI),
+  CREG_OFFSET (EIP), CREG_OFFSET (EFL), CREG_OFFSET (CS), CREG_OFFSET (SS),
+  CREG_OFFSET (DS), CREG_OFFSET (ES), CREG_OFFSET (FS), CREG_OFFSET (GS)
+};
+
 #define REG_ADDR(state, regnum) ((char *)(state) + reg_offset[regnum])
-#define CREG_ADDR(state, regnum) ((const char *)(state) + reg_offset[regnum])
+#define CREG_ADDR(state, regnum) ((const char *)(state) + creg_offset[regnum])
 
 \f
 /* Get the whole floating-point state of THREAD and record the values
@@ -110,16 +122,17 @@ supply_fpregset (struct regcache *regcache, const gdb_fpregset_t *fpregs)
 #endif
 
 /* Fetch register REGNO, or all regs if REGNO is -1.  */
-void
-gnu_fetch_registers (struct regcache *regcache, int regno)
+static void
+gnu_fetch_registers (struct target_ops *ops,
+                    struct regcache *regcache, int regno)
 {
   struct proc *thread;
 
   /* Make sure we know about new threads.  */
-  inf_update_procs (current_inferior);
+  inf_update_procs (gnu_current_inf);
 
-  thread = inf_tid_to_thread (current_inferior,
-                             ptid_get_tid (inferior_ptid));
+  thread = inf_tid_to_thread (gnu_current_inf,
+                             ptid_get_lwp (inferior_ptid));
   if (!thread)
     error (_("Can't fetch registers from thread %s: No such thread"),
           target_pid_to_str (inferior_ptid));
@@ -201,17 +214,18 @@ store_fpregs (const struct regcache *regcache, struct proc *thread, int regno)
 }
 
 /* Store at least register REGNO, or all regs if REGNO == -1.  */
-void
-gnu_store_registers (struct regcache *regcache, int regno)
+static void
+gnu_store_registers (struct target_ops *ops,
+                    struct regcache *regcache, int regno)
 {
   struct proc *thread;
   struct gdbarch *gdbarch = get_regcache_arch (regcache);
 
   /* Make sure we know about new threads.  */
-  inf_update_procs (current_inferior);
+  inf_update_procs (gnu_current_inf);
 
-  thread = inf_tid_to_thread (current_inferior,
-                             ptid_get_tid (inferior_ptid));
+  thread = inf_tid_to_thread (gnu_current_inf,
+                             ptid_get_lwp (inferior_ptid));
   if (!thread)
     error (_("Couldn't store registers into thread %s: No such thread"),
           target_pid_to_str (inferior_ptid));
@@ -230,7 +244,8 @@ gnu_store_registers (struct regcache *regcache, int regno)
       state = proc_get_state (thread, 1);
       if (!state)
        {
-         warning (_("Couldn't store registers into %s"), proc_string (thread));
+         warning (_("Couldn't store registers into %s"),
+                  proc_string (thread));
          return;
        }
 
@@ -257,7 +272,8 @@ gnu_store_registers (struct regcache *regcache, int regno)
                  regcache_raw_supply (regcache, check_regno,
                                       REG_ADDR (state, check_regno));
                else
-                 warning (_("... also writing this register!  Suspicious..."));
+                 warning (_("... also writing this register!  "
+                            "Suspicious..."));
              }
        }
 
@@ -268,7 +284,7 @@ gnu_store_registers (struct regcache *regcache, int regno)
          proc_debug (thread, "storing all registers");
 
          for (i = 0; i < I386_NUM_GREGS; i++)
-           if (regcache_valid_p (regcache, i))
+           if (REG_VALID == regcache_register_status (regcache, i))
              regcache_raw_collect (regcache, i, REG_ADDR (state, i));
        }
       else
@@ -276,7 +292,7 @@ gnu_store_registers (struct regcache *regcache, int regno)
          proc_debug (thread, "storing register %s",
                      gdbarch_register_name (gdbarch, regno));
 
-         gdb_assert (regcache_valid_p (regcache, regno));
+         gdb_assert (REG_VALID == regcache_register_status (regcache, regno));
          regcache_raw_collect (regcache, regno, REG_ADDR (state, regno));
        }
 
@@ -292,3 +308,21 @@ gnu_store_registers (struct regcache *regcache, int regno)
       store_fpregs (regcache, thread, regno);
     }
 }
+
+/* Provide a prototype to silence -Wmissing-prototypes.  */
+extern initialize_file_ftype _initialize_i386gnu_nat;
+
+void
+_initialize_i386gnu_nat (void)
+{
+  struct target_ops *t;
+
+  /* Fill in the generic GNU/Hurd methods.  */
+  t = gnu_target ();
+
+  t->to_fetch_registers = gnu_fetch_registers;
+  t->to_store_registers = gnu_store_registers;
+
+  /* Register the target.  */
+  add_target (t);
+}