Add target_ops argument to to_read_btrace

2014-02-19  Tom Tromey  <tromey@redhat.com>

	* target.h (struct target_ops) <to_read_btrace>: Add argument.
	* target.c (struct target_ops) <to_read_btrace>: Add argument.
	* remote.c (struct target_ops) <to_read_btrace>: Add 'self'
	argument.
	* amd64-linux-nat.c (amd64_linux_read_btrace): New function.
	(_initialize_amd64_linux_nat): Use it.
	* i386-linux-nat.c (i386_linux_read_btrace): New function.
	(_initialize_i386_linux_nat): Use it.

gdb/ChangeLog

@@ -1,3 +1,14 @@
+2014-02-19  Tom Tromey  <tromey@redhat.com>
+
+	* target.h (struct target_ops) <to_read_btrace>: Add argument.
+	* target.c (struct target_ops) <to_read_btrace>: Add argument.
+	* remote.c (struct target_ops) <to_read_btrace>: Add 'self'
+	argument.
+	* amd64-linux-nat.c (amd64_linux_read_btrace): New function.
+	(_initialize_amd64_linux_nat): Use it.
+	* i386-linux-nat.c (i386_linux_read_btrace): New function.
+	(_initialize_i386_linux_nat): Use it.
+
 2014-02-19  Tom Tromey  <tromey@redhat.com>
 
 	* target.h (struct target_ops) <to_teardown_btrace>: Add argument.

gdb/amd64-linux-nat.c

@@ -1191,6 +1191,15 @@ amd64_linux_teardown_btrace (struct target_ops *self,
   linux_disable_btrace (tinfo);
 }
 
+static enum btrace_error
+amd64_linux_read_btrace (struct target_ops *self,
+			 VEC (btrace_block_s) **data,
+			 struct btrace_target_info *btinfo,
+			 enum btrace_read_type type)
+{
+  return linux_read_btrace (data, btinfo, type);
+}
+
 /* Provide a prototype to silence -Wmissing-prototypes.  */
 void _initialize_amd64_linux_nat (void);
 
@@ -1234,7 +1243,7 @@ _initialize_amd64_linux_nat (void)
   t->to_enable_btrace = amd64_linux_enable_btrace;
   t->to_disable_btrace = amd64_linux_disable_btrace;
   t->to_teardown_btrace = amd64_linux_teardown_btrace;
-  t->to_read_btrace = linux_read_btrace;
+  t->to_read_btrace = amd64_linux_read_btrace;
 
   /* Register the target.  */
   linux_nat_add_target (t);

gdb/i386-linux-nat.c

@@ -1102,6 +1102,15 @@ i386_linux_teardown_btrace (struct target_ops *self,
   linux_disable_btrace (tinfo);
 }
 
+static enum btrace_error
+i386_linux_read_btrace (struct target_ops *self,
+			VEC (btrace_block_s) **data,
+			struct btrace_target_info *btinfo,
+			enum btrace_read_type type)
+{
+  return linux_read_btrace (data, btinfo, type);
+}
+
 /* -Wmissing-prototypes */
 extern initialize_file_ftype _initialize_i386_linux_nat;
 
@@ -1140,7 +1149,7 @@ _initialize_i386_linux_nat (void)
   t->to_enable_btrace = i386_linux_enable_btrace;
   t->to_disable_btrace = i386_linux_disable_btrace;
   t->to_teardown_btrace = i386_linux_teardown_btrace;
-  t->to_read_btrace = linux_read_btrace;
+  t->to_read_btrace = i386_linux_read_btrace;
 
   /* Register the target.  */
   linux_nat_add_target (t);

gdb/remote.c

@@ -11322,7 +11322,8 @@ remote_teardown_btrace (struct target_ops *self,
 /* Read the branch trace.  */
 
 static enum btrace_error
-remote_read_btrace (VEC (btrace_block_s) **btrace,
+remote_read_btrace (struct target_ops *self,
+		    VEC (btrace_block_s) **btrace,
 		    struct btrace_target_info *tinfo,
 		    enum btrace_read_type type)
 {

gdb/target.c

@@ -4250,7 +4250,7 @@ target_read_btrace (VEC (btrace_block_s) **btrace,
 
   for (t = current_target.beneath; t != NULL; t = t->beneath)
     if (t->to_read_btrace != NULL)
-      return t->to_read_btrace (btrace, btinfo, type);
+      return t->to_read_btrace (t, btrace, btinfo, type);
 
   tcomplain ();
   return BTRACE_ERR_NOT_SUPPORTED;

gdb/target.h

@@ -921,7 +921,8 @@ struct target_ops
        DATA is cleared before new trace is added.
        The branch trace will start with the most recent block and continue
        towards older blocks.  */
-    enum btrace_error (*to_read_btrace) (VEC (btrace_block_s) **data,
+    enum btrace_error (*to_read_btrace) (struct target_ops *self,
+					 VEC (btrace_block_s) **data,
 					 struct btrace_target_info *btinfo,
 					 enum btrace_read_type type);