2007-04-05 H.J. Lu <hongjiu.lu@intel.com>

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

diff --git a/gdb/frv-tdep.c b/gdb/frv-tdep.c
index 20b4427c9c3c2552c39a78cb69b68b85393fe546..351011a5ebc7481d862c254faad8171aefa131d6 100644 (file)
--- a/gdb/frv-tdep.c
+++ b/gdb/frv-tdep.c
@@ -1,6 +1,6 @@
 /* Target-dependent code for the Fujitsu FR-V, for GDB, the GNU Debugger.
 
-   Copyright 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -16,8 +16,8 @@
 
    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., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
+   Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.  */
 
 #include "defs.h"
 #include "gdb_string.h"
@@ -43,14 +43,6 @@
 
 extern void _initialize_frv_tdep (void);
 
-static gdbarch_init_ftype frv_gdbarch_init;
-
-static gdbarch_register_name_ftype frv_register_name;
-static gdbarch_breakpoint_from_pc_ftype frv_breakpoint_from_pc;
-static gdbarch_adjust_breakpoint_address_ftype frv_gdbarch_adjust_breakpoint_address;
-static gdbarch_skip_prologue_ftype frv_skip_prologue;
-
-
 struct frv_unwind_cache                /* was struct frame_extra_info */
   {
     /* The previous frame's inner-most stack address.  Used as this
@@ -309,7 +301,7 @@ frv_register_type (struct gdbarch *gdbarch, int reg)
 
 static void
 frv_pseudo_register_read (struct gdbarch *gdbarch, struct regcache *regcache,
-                          int reg, void *buffer)
+                          int reg, gdb_byte *buffer)
 {
   if (reg == iacc0_regnum)
     {
@@ -335,7 +327,7 @@ frv_pseudo_register_read (struct gdbarch *gdbarch, struct regcache *regcache,
 
 static void
 frv_pseudo_register_write (struct gdbarch *gdbarch, struct regcache *regcache,
-                          int reg, const void *buffer)
+                          int reg, const gdb_byte *buffer)
 {
   if (reg == iacc0_regnum)
     {
@@ -443,7 +435,7 @@ static const int frv_instr_size = 4;
    constraint that a break instruction must not appear as any but the
    first instruction in the bundle.  */
 static CORE_ADDR
-frv_gdbarch_adjust_breakpoint_address (struct gdbarch *gdbarch, CORE_ADDR bpaddr)
+frv_adjust_breakpoint_address (struct gdbarch *gdbarch, CORE_ADDR bpaddr)
 {
   int count = max_instrs_per_bundle;
   CORE_ADDR addr = bpaddr - frv_instr_size;
@@ -457,7 +449,7 @@ frv_gdbarch_adjust_breakpoint_address (struct gdbarch *gdbarch, CORE_ADDR bpaddr
       char instr[frv_instr_size];
       int status;
 
-      status = deprecated_read_memory_nobpt (addr, instr, sizeof instr);
+      status = read_memory_nobpt (addr, instr, sizeof instr);
 
       if (status != 0)
        break;
@@ -1024,14 +1016,15 @@ frv_frame_unwind_cache (struct frame_info *next_frame,
   info->saved_regs = trad_frame_alloc_saved_regs (next_frame);
 
   /* Prologue analysis does the rest...  */
-  frv_analyze_prologue (frame_func_unwind (next_frame), next_frame, info);
+  frv_analyze_prologue (frame_func_unwind (next_frame, NORMAL_FRAME),
+                       next_frame, info);
 
   return info;
 }
 
 static void
 frv_extract_return_value (struct type *type, struct regcache *regcache,
-                          void *valbuf)
+                          gdb_byte *valbuf)
 {
   int len = TYPE_LENGTH (type);
 
@@ -1079,6 +1072,13 @@ find_func_descr (struct gdbarch *gdbarch, CORE_ADDR entry_point)
 {
   CORE_ADDR descr;
   char valbuf[4];
+  CORE_ADDR start_addr;
+
+  /* If we can't find the function in the symbol table, then we assume
+     that the function address is already in descriptor form.  */
+  if (!find_pc_partial_function (entry_point, NULL, &start_addr, NULL)
+      || entry_point != start_addr)
+    return entry_point;
 
   descr = frv_fdpic_find_canonical_descriptor (entry_point);
 
@@ -1240,7 +1240,7 @@ frv_push_dummy_call (struct gdbarch *gdbarch, struct value *function,
 
 static void
 frv_store_return_value (struct type *type, struct regcache *regcache,
-                        const void *valbuf)
+                        const gdb_byte *valbuf)
 {
   int len = TYPE_LENGTH (type);
 
@@ -1347,7 +1347,7 @@ frv_frame_this_id (struct frame_info *next_frame,
   struct frame_id id;
 
   /* The FUNC is easy.  */
-  func = frame_func_unwind (next_frame);
+  func = frame_func_unwind (next_frame, NORMAL_FRAME);
 
   /* Check if the stack is empty.  */
   msym_stack = lookup_minimal_symbol ("_stack", NULL, NULL);
@@ -1370,7 +1370,7 @@ frv_frame_prev_register (struct frame_info *next_frame,
                          void **this_prologue_cache,
                          int regnum, int *optimizedp,
                          enum lval_type *lvalp, CORE_ADDR *addrp,
-                         int *realnump, void *bufferp)
+                         int *realnump, gdb_byte *bufferp)
 {
   struct frv_unwind_cache *info
     = frv_frame_unwind_cache (next_frame, this_prologue_cache);
@@ -1498,7 +1498,8 @@ frv_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
 
   set_gdbarch_skip_prologue (gdbarch, frv_skip_prologue);
   set_gdbarch_breakpoint_from_pc (gdbarch, frv_breakpoint_from_pc);
-  set_gdbarch_adjust_breakpoint_address (gdbarch, frv_gdbarch_adjust_breakpoint_address);
+  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);