* avr-tdep.c (avr_return_value): New function.

[external/binutils.git] / gdb / frv-tdep.c

diff --git a/gdb/frv-tdep.c b/gdb/frv-tdep.c
index e21b3ec..6dd7d36 100644 (file)
--- a/gdb/frv-tdep.c
+++ b/gdb/frv-tdep.c
@@ -6,7 +6,7 @@
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
+   the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
@@ -15,9 +15,7 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 51 Franklin Street, Fifth Floor,
-   Boston, MA 02110-1301, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include "defs.h"
 #include "gdb_string.h"
@@ -112,17 +110,19 @@ frv_fdpic_loadmap_addresses (struct gdbarch *gdbarch, CORE_ADDR *interp_addr,
     return -1;
   else
     {
+      struct regcache *regcache = get_current_regcache ();
+
       if (interp_addr != NULL)
        {
          ULONGEST val;
-         regcache_cooked_read_unsigned (current_regcache,
+         regcache_cooked_read_unsigned (regcache,
                                         fdpic_loadmap_interp_regnum, &val);
          *interp_addr = val;
        }
       if (exec_addr != NULL)
        {
          ULONGEST val;
-         regcache_cooked_read_unsigned (current_regcache,
+         regcache_cooked_read_unsigned (regcache,
                                         fdpic_loadmap_exec_regnum, &val);
          *exec_addr = val;
        }
@@ -1047,14 +1047,6 @@ frv_extract_return_value (struct type *type, struct regcache *regcache,
 }
 
 static CORE_ADDR
-frv_extract_struct_value_address (struct regcache *regcache)
-{
-  ULONGEST addr;
-  regcache_cooked_read_unsigned (regcache, struct_return_regnum, &addr);
-  return addr;
-}
-
-static CORE_ADDR
 frv_frame_align (struct gdbarch *gdbarch, CORE_ADDR sp)
 {
   /* Require dword alignment.  */
@@ -1255,6 +1247,33 @@ frv_store_return_value (struct type *type, struct regcache *regcache,
                     _("Don't know how to return a %d-byte value."), len);
 }
 
+enum return_value_convention
+frv_return_value (struct gdbarch *gdbarch, struct type *valtype,
+                 struct regcache *regcache, gdb_byte *readbuf,
+                 const gdb_byte *writebuf)
+{
+  int struct_return = TYPE_CODE (valtype) == TYPE_CODE_STRUCT
+                     || TYPE_CODE (valtype) == TYPE_CODE_UNION
+                     || TYPE_CODE (valtype) == TYPE_CODE_ARRAY;
+
+  if (writebuf != NULL)
+    {
+      gdb_assert (!struct_return);
+      frv_store_return_value (valtype, regcache, writebuf);
+    }
+
+  if (readbuf != NULL)
+    {
+      gdb_assert (!struct_return);
+      frv_extract_return_value (valtype, regcache, readbuf);
+    }
+
+  if (struct_return)
+    return RETURN_VALUE_STRUCT_CONVENTION;
+  else
+    return RETURN_VALUE_REGISTER_CONVENTION;
+}
+
 
 /* Hardware watchpoint / breakpoint support for the FR500
    and FR400.  */
@@ -1291,13 +1310,14 @@ frv_check_watch_resources (int type, int cnt, int ot)
 int
 frv_stopped_data_address (CORE_ADDR *addr_p)
 {
+  struct frame_info *frame = get_current_frame ();
   CORE_ADDR brr, dbar0, dbar1, dbar2, dbar3;
 
-  brr = read_register (brr_regnum);
-  dbar0 = read_register (dbar0_regnum);
-  dbar1 = read_register (dbar1_regnum);
-  dbar2 = read_register (dbar2_regnum);
-  dbar3 = read_register (dbar3_regnum);
+  brr = get_frame_register_unsigned (frame, brr_regnum);
+  dbar0 = get_frame_register_unsigned (frame, dbar0_regnum);
+  dbar1 = get_frame_register_unsigned (frame, dbar1_regnum);
+  dbar2 = get_frame_register_unsigned (frame, dbar2_regnum);
+  dbar3 = get_frame_register_unsigned (frame, dbar3_regnum);
 
   if (brr & (1<<11))
     *addr_p = dbar0;
@@ -1495,11 +1515,7 @@ frv_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
   set_gdbarch_adjust_breakpoint_address
     (gdbarch, frv_adjust_breakpoint_address);
 
-  set_gdbarch_deprecated_use_struct_convention (gdbarch, always_use_struct_convention);
-  set_gdbarch_extract_return_value (gdbarch, frv_extract_return_value);
-
-  set_gdbarch_store_return_value (gdbarch, frv_store_return_value);
-  set_gdbarch_deprecated_extract_struct_value_address (gdbarch, frv_extract_struct_value_address);
+  set_gdbarch_return_value (gdbarch, frv_return_value);
 
   /* Frame stuff.  */
   set_gdbarch_unwind_pc (gdbarch, frv_unwind_pc);
@@ -1516,8 +1532,6 @@ frv_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
   /* Settings that should be unnecessary.  */
   set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
 
-  set_gdbarch_write_pc (gdbarch, generic_target_write_pc);
-
   /* Hardware watchpoint / breakpoint support.  */
   switch (info.bfd_arch_info->mach)
     {