arc: Add a gdbarch_tdep structure

Add target-specific structure gdbarch_tdep for ARC.

gdb/ChangeLog:

	* arc-tdep.h (struct gdbarch_tdep): New.
	* arc-tdep.c (arc_gdbarch_init): Allocate gdbarch_tdep.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 73a59bb..29544c9 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2016-10-12  Anton Kolesov  <anton.kolesov@synopsys.com>
+
+       * arc-tdep.h (struct gdbarch_tdep): New.
+       * arc-tdep.c (arc_gdbarch_init): Allocate gdbarch_tdep.
+
 2016-10-12  Yao Qi  <yao.qi@linaro.org>
 
        PR tdep/20682

diff --git a/gdb/arc-tdep.c b/gdb/arc-tdep.c
index 60a4e04..58de8e9 100644 (file)
--- a/gdb/arc-tdep.c
+++ b/gdb/arc-tdep.c
@@ -1159,7 +1159,10 @@ arc_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
   if (!arc_tdesc_init (info, &tdesc, &tdesc_data))
     return NULL;
 
-  struct gdbarch *gdbarch = gdbarch_alloc (&info, NULL);
+  /* Allocate the ARC-private target-dependent information structure, and the
+     GDB target-independent information structure.  */
+  struct gdbarch_tdep *tdep = XCNEW (struct gdbarch_tdep);
+  struct gdbarch *gdbarch = gdbarch_alloc (&info, tdep);
 
   /* Data types.  */
   set_gdbarch_short_bit (gdbarch, 16);

diff --git a/gdb/arc-tdep.h b/gdb/arc-tdep.h
index 1b2694b..ea34b9e 100644 (file)
--- a/gdb/arc-tdep.h
+++ b/gdb/arc-tdep.h
@@ -77,6 +77,12 @@ enum arc_regnum
 
 extern int arc_debug;
 
+/* Target-dependent information.  */
+
+struct gdbarch_tdep
+{
+};
+
 /* Utility functions used by other ARC-specific modules.  */
 
 static inline int