X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Fbfin-tdep.c;h=4eb5763c0f29ca23ed0d3596241c671d4f935891;hb=cf4ded82d012113df559b446bf8532cfb700d11e;hp=5e570456091e913217b4c6a7f783940f8faae2fd;hpb=7b6bb8daaceb9ecf3f42dea57ae82733d6a3b2f6;p=deliverable%2Fbinutils-gdb.git

diff --git a/gdb/bfin-tdep.c b/gdb/bfin-tdep.c
index 5e57045609..4eb5763c0f 100644
--- a/gdb/bfin-tdep.c
+++ b/gdb/bfin-tdep.c
@@ -1,7 +1,6 @@
 /* Target-dependent code for Analog Devices Blackfin processor, for GDB.
 
-   Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011
-   Free Software Foundation, Inc.
+   Copyright (C) 2005-2012 Free Software Foundation, Inc.
 
    Contributed by Analog Devices, Inc.
 
@@ -32,6 +31,8 @@
 #include "trad-frame.h"
 #include "dis-asm.h"
 #include "gdb_assert.h"
+#include "sim-regno.h"
+#include "gdb/sim-bfin.h"
 #include "dwarf2-frame.h"
 #include "symtab.h"
 #include "elf-bfd.h"
@@ -374,6 +375,7 @@ bfin_frame_prev_register (struct frame_info *this_frame,
 static const struct frame_unwind bfin_frame_unwind =
 {
   NORMAL_FRAME,
+  default_frame_unwind_stop_reason,
   bfin_frame_this_id,
   bfin_frame_prev_register,
   NULL,
@@ -511,9 +513,8 @@ bfin_push_dummy_call (struct gdbarch *gdbarch,
   for (i = nargs - 1; i >= 0; i--)
     {
       struct type *value_type = value_enclosing_type (args[i]);
-      int len = TYPE_LENGTH (value_type);
 
-      total_len += (len + 3) & ~3;
+      total_len += (TYPE_LENGTH (value_type) + 3) & ~3;
     }
 
   /* At least twelve bytes of stack space must be allocated for the function's
@@ -529,8 +530,7 @@ bfin_push_dummy_call (struct gdbarch *gdbarch,
     {
       struct type *value_type = value_enclosing_type (args[i]);
       struct type *arg_type = check_typedef (value_type);
-      int len = TYPE_LENGTH (value_type);
-      int container_len = (len + 3) & ~3;
+      int container_len = (TYPE_LENGTH (value_type) + 3) & ~3;
 
       sp -= container_len;
       write_memory (sp, value_contents_writeable (args[i]), container_len);
@@ -581,7 +581,8 @@ bfin_reg_to_regnum (struct gdbarch *gdbarch, int reg)
    the breakpoint should be inserted.  */
 
 static const unsigned char *
-bfin_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *lenptr)
+bfin_breakpoint_from_pc (struct gdbarch *gdbarch,
+			 CORE_ADDR *pcptr, int *lenptr)
 {
   enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
   unsigned short iw;
@@ -619,7 +620,7 @@ bfin_extract_return_value (struct type *type,
   while (len > 0)
     {
       regcache_cooked_read_unsigned (regs, regno++, &tmp);
-      store_unsigned_integer (valbuf, (len > 4 ? 4 : len), tmp, byte_order);
+      store_unsigned_integer (valbuf, (len > 4 ? 4 : len), byte_order, tmp);
       len -= 4;
       valbuf += 4;
     }
@@ -660,7 +661,7 @@ bfin_store_return_value (struct type *type,
 
 static enum return_value_convention
 bfin_return_value (struct gdbarch *gdbarch,
-		   struct type *func_type,
+		   struct value *function,
 		   struct type *type,
 		   struct regcache *regcache,
 		   gdb_byte *readbuf,
@@ -686,20 +687,25 @@ bfin_register_name (struct gdbarch *gdbarch, int i)
   return bfin_register_name_strings[i];
 }
 
-static void
+static enum register_status
 bfin_pseudo_register_read (struct gdbarch *gdbarch, struct regcache *regcache,
 			   int regnum, gdb_byte *buffer)
 {
   gdb_byte *buf = (gdb_byte *) alloca (MAX_REGISTER_SIZE);
+  enum register_status status;
 
   if (regnum != BFIN_CC_REGNUM)
     internal_error (__FILE__, __LINE__,
 		    _("invalid register number %d"), regnum);
 
   /* Extract the CC bit from the ASTAT register.  */
-  regcache_raw_read (regcache, BFIN_ASTAT_REGNUM, buf);
-  buffer[1] = buffer[2] = buffer[3] = 0;
-  buffer[0] = !!(buf[0] & ASTAT_CC);
+  status = regcache_raw_read (regcache, BFIN_ASTAT_REGNUM, buf);
+  if (status == REG_VALID)
+    {
+      buffer[1] = buffer[2] = buffer[3] = 0;
+      buffer[0] = !!(buf[0] & ASTAT_CC);
+    }
+  return status;
 }
 
 static void