2004-06-06 Randolph Chung <tausq@debian.org>

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

diff --git a/gdb/avr-tdep.c b/gdb/avr-tdep.c
index 90bf9102ebe1e0aca67376793f6df5401d584ce2..2b5db688f886202c4bb6b4e2150b96de96c87e1f 100644 (file)
--- a/gdb/avr-tdep.c
+++ b/gdb/avr-tdep.c
@@ -1,5 +1,5 @@
 /* Target-dependent code for Atmel AVR, for GDB.
-   Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
+   Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
    Free Software Foundation, Inc.
 
    This file is part of GDB.
@@ -226,12 +226,6 @@ avr_make_iaddr (CORE_ADDR x)
   return ((x) | AVR_IMEM_START);
 }
 
-static int
-avr_iaddr_p (CORE_ADDR x)
-{
-  return (((x) & AVR_MEM_MASK) == AVR_IMEM_START);
-}
-
 /* FIXME: TRoth: Really need to use a larger mask for instructions. Some
    devices are already up to 128KBytes of flash space.
 
@@ -251,12 +245,6 @@ avr_make_saddr (CORE_ADDR x)
   return ((x) | AVR_SMEM_START);
 }
 
-static int
-avr_saddr_p (CORE_ADDR x)
-{
-  return (((x) & AVR_MEM_MASK) == AVR_SMEM_START);
-}
-
 static CORE_ADDR
 avr_convert_saddr_to_raw (CORE_ADDR x)
 {
@@ -970,11 +958,6 @@ avr_frame_this_id (struct frame_info *next_frame,
   /* The FUNC is easy.  */
   func = frame_func_unwind (next_frame);
 
-  /* This is meant to halt the backtrace at "_start".  Make sure we
-     don't halt it at a generic dummy frame. */
-  if (deprecated_inside_entry_file (func))
-    return;
-
   /* Hopefully the prologue analysis either correctly determined the
      frame's base (which is the SP from the previous frame), or set
      that base to "NULL".  */
@@ -983,16 +966,6 @@ avr_frame_this_id (struct frame_info *next_frame,
     return;
 
   id = frame_id_build (base, func);
-
-  /* Check that we're not going round in circles with the same frame
-     ID (but avoid applying the test to sentinel frames which do go
-     round in circles).  Can't use frame_id_eq() as that doesn't yet
-     compare the frame's PC value.  */
-  if (frame_relative_level (next_frame) >= 0
-      && get_frame_type (next_frame) != DUMMY_FRAME
-      && frame_id_eq (get_frame_id (next_frame), id))
-    return;
-
   (*this_id) = id;
 }
 
@@ -1173,7 +1146,7 @@ pop_stack_item (struct stack_item *si)
    registers R0 to R2. */
 
 static CORE_ADDR
-avr_push_dummy_call (struct gdbarch *gdbarch, CORE_ADDR func_addr,
+avr_push_dummy_call (struct gdbarch *gdbarch, struct value *function,
                      struct regcache *regcache, CORE_ADDR bp_addr,
                      int nargs, struct value **args, CORE_ADDR sp,
                      int struct_return, CORE_ADDR struct_addr)
@@ -1324,14 +1297,9 @@ avr_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
   set_gdbarch_skip_prologue (gdbarch, avr_skip_prologue);
   set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
 
-  set_gdbarch_decr_pc_after_break (gdbarch, 0);
   set_gdbarch_breakpoint_from_pc (gdbarch, avr_breakpoint_from_pc);
 
-  set_gdbarch_function_start_offset (gdbarch, 0);
-
-  set_gdbarch_frame_args_skip (gdbarch, 0);
-  set_gdbarch_frameless_function_invocation (gdbarch,
-                                             frameless_look_for_prologue);
+  set_gdbarch_deprecated_frameless_function_invocation (gdbarch, legacy_frameless_look_for_prologue);
 
   frame_unwind_append_sniffer (gdbarch, avr_frame_sniffer);
   frame_base_set_default (gdbarch, &avr_frame_base);
@@ -1359,7 +1327,7 @@ avr_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
 static void
 avr_io_reg_read_command (char *args, int from_tty)
 {
-  int bufsiz = 0;
+  LONGEST bufsiz = 0;
   char buf[400];
   char query[400];
   char *p;
@@ -1367,22 +1335,23 @@ avr_io_reg_read_command (char *args, int from_tty)
   unsigned int val;
   int i, j, k, step;
 
-  if (!current_target.to_query)
+  /* Just get the maximum buffer size. */
+  bufsiz = target_read_partial (&current_target, TARGET_OBJECT_AVR,
+                               NULL, NULL, 0, 0);
+  if (bufsiz < 0)
     {
       fprintf_unfiltered (gdb_stderr,
                          "ERR: info io_registers NOT supported by current "
                           "target\n");
       return;
     }
-
-  /* Just get the maximum buffer size. */
-  target_query ((int) 'R', 0, 0, &bufsiz);
   if (bufsiz > sizeof (buf))
     bufsiz = sizeof (buf);
 
   /* Find out how many io registers the target has. */
   strcpy (query, "avr.io_reg");
-  target_query ((int) 'R', query, buf, &bufsiz);
+  target_read_partial (&current_target, TARGET_OBJECT_AVR, query, buf, 0,
+                      bufsiz);
 
   if (strncmp (buf, "", bufsiz) == 0)
     {
@@ -1413,7 +1382,8 @@ avr_io_reg_read_command (char *args, int from_tty)
         j = nreg - i;           /* last block is less than 8 registers */
 
       snprintf (query, sizeof (query) - 1, "avr.io_reg:%x,%x", i, j);
-      target_query ((int) 'R', query, buf, &bufsiz);
+      target_read_partial (&current_target, TARGET_OBJECT_AVR, query, buf,
+                          0, bufsiz);
 
       p = buf;
       for (k = i; k < (i + j); k++)