Fix language of compilation unit with unknown file extension

[deliverable/binutils-gdb.git] / gdb / h8300-tdep.c

diff --git a/gdb/h8300-tdep.c b/gdb/h8300-tdep.c
index 419328790bcce05eab3cef2f842397aaba8e0321..e7f75a946df90d465b180ab93adca704c74393da 100644 (file)
--- a/gdb/h8300-tdep.c
+++ b/gdb/h8300-tdep.c
@@ -1,6 +1,6 @@
 /* Target-machine dependent code for Renesas H8/300, for GDB.
 
-   Copyright (C) 1988-2014 Free Software Foundation, Inc.
+   Copyright (C) 1988-2015 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -28,7 +28,6 @@
 #include "regcache.h"
 #include "gdbcore.h"
 #include "objfiles.h"
-#include "gdb_assert.h"
 #include "dis-asm.h"
 #include "dwarf2-frame.h"
 #include "frame-base.h"
@@ -937,8 +936,6 @@ h8300h_return_value (struct gdbarch *gdbarch, struct value *function,
   return RETURN_VALUE_REGISTER_CONVENTION;
 }
 
-static struct cmd_list_element *setmachinelist;
-
 /* Implementation of 'register_sim_regno' gdbarch method.  */
 
 static int
@@ -1164,15 +1161,55 @@ h8300_register_type (struct gdbarch *gdbarch, int regno)
     }
 }
 
+/* Helpers for h8300_pseudo_register_read.  We expose ccr/exr as
+   pseudo-registers to users with smaller sizes than the corresponding
+   raw registers.  These helpers extend/narrow the values.  */
+
+static enum register_status
+pseudo_from_raw_register (struct gdbarch *gdbarch, struct regcache *regcache,
+                         gdb_byte *buf, int pseudo_regno, int raw_regno)
+{
+  enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
+  enum register_status status;
+  ULONGEST val;
+
+  status = regcache_raw_read_unsigned (regcache, raw_regno, &val);
+  if (status == REG_VALID)
+    store_unsigned_integer (buf,
+                           register_size (gdbarch, pseudo_regno),
+                           byte_order, val);
+  return status;
+}
+
+/* See pseudo_from_raw_register.  */
+
+static void
+raw_from_pseudo_register (struct gdbarch *gdbarch, struct regcache *regcache,
+                         const gdb_byte *buf, int raw_regno, int pseudo_regno)
+{
+  enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
+  ULONGEST val;
+
+  val = extract_unsigned_integer (buf, register_size (gdbarch, pseudo_regno),
+                                 byte_order);
+  regcache_raw_write_unsigned (regcache, raw_regno, val);
+}
+
 static enum register_status
 h8300_pseudo_register_read (struct gdbarch *gdbarch,
                            struct regcache *regcache, int regno,
                            gdb_byte *buf)
 {
   if (regno == E_PSEUDO_CCR_REGNUM (gdbarch))
-    return regcache_raw_read (regcache, E_CCR_REGNUM, buf);
+    {
+      return pseudo_from_raw_register (gdbarch, regcache, buf,
+                                      regno, E_CCR_REGNUM);
+    }
   else if (regno == E_PSEUDO_EXR_REGNUM (gdbarch))
-    return regcache_raw_read (regcache, E_EXR_REGNUM, buf);
+    {
+      return pseudo_from_raw_register (gdbarch, regcache, buf,
+                                      regno, E_EXR_REGNUM);
+    }
   else
     return regcache_raw_read (regcache, regno, buf);
 }
@@ -1183,9 +1220,9 @@ h8300_pseudo_register_write (struct gdbarch *gdbarch,
                             const gdb_byte *buf)
 {
   if (regno == E_PSEUDO_CCR_REGNUM (gdbarch))
-    regcache_raw_write (regcache, E_CCR_REGNUM, buf);
+    raw_from_pseudo_register (gdbarch, regcache, buf, E_CCR_REGNUM, regno);
   else if (regno == E_PSEUDO_EXR_REGNUM (gdbarch))
-    regcache_raw_write (regcache, E_EXR_REGNUM, buf);
+    raw_from_pseudo_register (gdbarch, regcache, buf, E_EXR_REGNUM, regno);
   else
     regcache_raw_write (regcache, regno, buf);
 }
@@ -1219,14 +1256,6 @@ h8300_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr,
   return breakpoint;
 }
 
-static void
-h8300_print_float_info (struct gdbarch *gdbarch, struct ui_file *file,
-                       struct frame_info *frame, const char *args)
-{
-  fprintf_filtered (file, "\
-No floating-point info available for this processor.\n");
-}
-
 static struct gdbarch *
 h8300_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
 {
@@ -1338,7 +1367,6 @@ h8300_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
   set_gdbarch_pc_regnum (gdbarch, E_PC_REGNUM);
   set_gdbarch_register_type (gdbarch, h8300_register_type);
   set_gdbarch_print_registers_info (gdbarch, h8300_print_registers_info);
-  set_gdbarch_print_float_info (gdbarch, h8300_print_float_info);
 
   /*
    * Frame Info