Multi-arch REGISTER_SIM_REGNO. Update d10v.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 1c1e9f7..48ff69f 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,16 @@
+Wed Aug  2 19:15:34 2000  Andrew Cagney  <cagney@b1.cygnus.com>
+
+       * arch-utils.h, gdbarch.c (default_register_sim_regno): New
+       function.
+       * gdbarch.sh (REGISTER_SIM_REGNO): Add.
+       * gdbarch.h, gdbarch.c: Regenerate.
+       * remote-sim.c (REGISTER_SIM_REGNO): Delete definition.
+
+       * config/d10v/tm-d10v.h (REGISTER_SIM_REGNO): Delete.
+       * d10v-tdep.c (d10v_gdbarch_init): Update.
+       (struct gdbarch_tdep): Delete member register_sim_regno.
+       (d10v_register_sim_regno): Delete function.
+
 Wed Aug  2 14:46:18 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 
        * remote.c (enum packet_detect, packet_support_enums,

diff --git a/gdb/arch-utils.c b/gdb/arch-utils.c
index 8af1373..862b283 100644 (file)
--- a/gdb/arch-utils.c
+++ b/gdb/arch-utils.c
@@ -220,6 +220,12 @@ generic_register_convertible_not (int num)
 }
   
 
+int
+default_register_sim_regno (int num)
+{
+  return num;
+}
+
 /* Functions to manipulate the endianness of the target.  */
 
 #ifdef TARGET_BYTE_ORDER_SELECTABLE

diff --git a/gdb/arch-utils.h b/gdb/arch-utils.h
index 1a147da..615cc5b 100644 (file)
--- a/gdb/arch-utils.h
+++ b/gdb/arch-utils.h
@@ -88,4 +88,9 @@ extern void set_architecture_from_arch_mach (enum bfd_architecture, unsigned lon
 
 extern int (*target_architecture_hook) (const struct bfd_arch_info *);
 
+
+/* Default raw->sim register re-numbering - does nothing. */
+
+extern int default_register_sim_regno (int reg_nr);
+
 #endif

diff --git a/gdb/config/d10v/tm-d10v.h b/gdb/config/d10v/tm-d10v.h
index 44c8c7c..e073425 100644 (file)
--- a/gdb/config/d10v/tm-d10v.h
+++ b/gdb/config/d10v/tm-d10v.h
@@ -1,5 +1,5 @@
 /* Target-specific definition for the Mitsubishi D10V
-   Copyright (C) 1996,1999 Free Software Foundation, Inc.
+   Copyright (C) 1996, 1999, 2000 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -22,7 +22,4 @@
 
 #define GDB_MULTI_ARCH 1
 
-extern int d10v_register_sim_regno (int reg);
-#define REGISTER_SIM_REGNO(NR) d10v_register_sim_regno((NR))
-
 #define NO_EXTRA_ALIGNMENT_NEEDED 1

diff --git a/gdb/d10v-tdep.c b/gdb/d10v-tdep.c
index 20e146f..c5b7b5a 100644 (file)
--- a/gdb/d10v-tdep.c
+++ b/gdb/d10v-tdep.c
@@ -55,7 +55,6 @@ struct gdbarch_tdep
     int nr_dmap_regs;
     unsigned long (*dmap_register) (int nr);
     unsigned long (*imap_register) (int nr);
-    int (*register_sim_regno) (int nr);
   };
 
 /* These are the addresses the D10V-EVA board maps data and
@@ -274,12 +273,6 @@ d10v_ts3_register_sim_regno (int nr)
   return nr;
 }
 
-int
-d10v_register_sim_regno (int nr)
-{
-  return gdbarch_tdep (current_gdbarch)->register_sim_regno (nr);
-}
-
 /* Index within `registers' of the first byte of the space for
    register REG_NR.  */
 
@@ -1467,6 +1460,7 @@ d10v_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
   int d10v_num_regs;
   struct gdbarch_tdep *tdep;
   gdbarch_register_name_ftype *d10v_register_name;
+  gdbarch_register_sim_regno_ftype *d10v_register_sim_regno;
 
   /* Find a candidate among the list of pre-declared architectures. */
   arches = gdbarch_list_lookup_by_info (arches, &info);
@@ -1483,9 +1477,9 @@ d10v_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
     case bfd_mach_d10v_ts2:
       d10v_num_regs = 37;
       d10v_register_name = d10v_ts2_register_name;
+      d10v_register_sim_regno = d10v_ts2_register_sim_regno;
       tdep->a0_regnum = TS2_A0_REGNUM;
       tdep->nr_dmap_regs = TS2_NR_DMAP_REGS;
-      tdep->register_sim_regno = d10v_ts2_register_sim_regno;
       tdep->dmap_register = d10v_ts2_dmap_register;
       tdep->imap_register = d10v_ts2_imap_register;
       break;
@@ -1493,9 +1487,9 @@ d10v_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
     case bfd_mach_d10v_ts3:
       d10v_num_regs = 42;
       d10v_register_name = d10v_ts3_register_name;
+      d10v_register_sim_regno = d10v_ts3_register_sim_regno;
       tdep->a0_regnum = TS3_A0_REGNUM;
       tdep->nr_dmap_regs = TS3_NR_DMAP_REGS;
-      tdep->register_sim_regno = d10v_ts3_register_sim_regno;
       tdep->dmap_register = d10v_ts3_dmap_register;
       tdep->imap_register = d10v_ts3_imap_register;
       break;
@@ -1608,6 +1602,8 @@ d10v_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
   set_gdbarch_frame_num_args (gdbarch, frame_num_args_unknown);
   set_gdbarch_stack_align (gdbarch, d10v_stack_align);
 
+  set_gdbarch_register_sim_regno (gdbarch, d10v_register_sim_regno);
+
   return gdbarch;
 }
 

diff --git a/gdb/gdbarch.c b/gdb/gdbarch.c
index 9aaf91a..55e58da 100644 (file)
--- a/gdb/gdbarch.c
+++ b/gdb/gdbarch.c
@@ -162,6 +162,7 @@ struct gdbarch
   int max_register_virtual_size;
   gdbarch_register_virtual_type_ftype *register_virtual_type;
   gdbarch_do_registers_info_ftype *do_registers_info;
+  gdbarch_register_sim_regno_ftype *register_sim_regno;
   int use_generic_dummy_frames;
   int call_dummy_location;
   gdbarch_call_dummy_address_ftype *call_dummy_address;
@@ -298,6 +299,7 @@ struct gdbarch startup_gdbarch =
   0,
   0,
   0,
+  0,
   generic_get_saved_register,
   0,
   0,
@@ -384,6 +386,7 @@ gdbarch_alloc (const struct gdbarch_info *info,
   gdbarch->max_register_raw_size = -1;
   gdbarch->max_register_virtual_size = -1;
   gdbarch->do_registers_info = do_registers_info;
+  gdbarch->register_sim_regno = default_register_sim_regno;
   gdbarch->use_generic_dummy_frames = -1;
   gdbarch->call_dummy_start_offset = -1;
   gdbarch->call_dummy_breakpoint_offset = -1;
@@ -527,6 +530,7 @@ verify_gdbarch (struct gdbarch *gdbarch)
       && (gdbarch->register_virtual_type == 0))
     internal_error ("gdbarch: verify_gdbarch: register_virtual_type invalid");
   /* Skip verify of do_registers_info, invalid_p == 0 */
+  /* Skip verify of register_sim_regno, invalid_p == 0 */
   if ((GDB_MULTI_ARCH >= 1)
       && (gdbarch->use_generic_dummy_frames == -1))
     internal_error ("gdbarch: verify_gdbarch: use_generic_dummy_frames invalid");
@@ -880,6 +884,12 @@ gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file)
                       "DO_REGISTERS_INFO(reg_nr, fpregs)",
                       XSTRING (DO_REGISTERS_INFO (reg_nr, fpregs)));
 #endif
+#ifdef REGISTER_SIM_REGNO
+  fprintf_unfiltered (file,
+                      "gdbarch_dump: %s # %s\n",
+                      "REGISTER_SIM_REGNO(reg_nr)",
+                      XSTRING (REGISTER_SIM_REGNO (reg_nr)));
+#endif
 #ifdef USE_GENERIC_DUMMY_FRAMES
   fprintf_unfiltered (file,
                       "gdbarch_dump: USE_GENERIC_DUMMY_FRAMES # %s\n",
@@ -1484,6 +1494,13 @@ gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file)
                         (long) current_gdbarch->do_registers_info
                         /*DO_REGISTERS_INFO ()*/);
 #endif
+#ifdef REGISTER_SIM_REGNO
+  if (GDB_MULTI_ARCH)
+    fprintf_unfiltered (file,
+                        "gdbarch_dump: REGISTER_SIM_REGNO = 0x%08lx\n",
+                        (long) current_gdbarch->register_sim_regno
+                        /*REGISTER_SIM_REGNO ()*/);
+#endif
 #ifdef USE_GENERIC_DUMMY_FRAMES
   fprintf_unfiltered (file,
                       "gdbarch_dump: USE_GENERIC_DUMMY_FRAMES = %ld\n",
@@ -2519,6 +2536,23 @@ set_gdbarch_do_registers_info (struct gdbarch *gdbarch,
 }
 
 int
+gdbarch_register_sim_regno (struct gdbarch *gdbarch, int reg_nr)
+{
+  if (gdbarch->register_sim_regno == 0)
+    internal_error ("gdbarch: gdbarch_register_sim_regno invalid");
+  if (gdbarch_debug >= 2)
+    fprintf_unfiltered (gdb_stdlog, "gdbarch_register_sim_regno called\n");
+  return gdbarch->register_sim_regno (reg_nr);
+}
+
+void
+set_gdbarch_register_sim_regno (struct gdbarch *gdbarch,
+                                gdbarch_register_sim_regno_ftype register_sim_regno)
+{
+  gdbarch->register_sim_regno = register_sim_regno;
+}
+
+int
 gdbarch_use_generic_dummy_frames (struct gdbarch *gdbarch)
 {
   if (gdbarch->use_generic_dummy_frames == -1)
@@ -3728,8 +3762,7 @@ init_gdbarch_data (struct gdbarch *gdbarch)
    data-pointer. */
 
 void *
-gdbarch_data (data)
-     struct gdbarch_data *data;
+gdbarch_data (struct gdbarch_data *data)
 {
   if (data->index >= current_gdbarch->nr_data)
     internal_error ("gdbarch_data: request for non-existant data.");
@@ -4121,7 +4154,7 @@ disassemble_info tm_print_insn_info;
 extern void _initialize_gdbarch (void);
 
 void
-_initialize_gdbarch ()
+_initialize_gdbarch (void)
 {
   struct cmd_list_element *c;
 

diff --git a/gdb/gdbarch.h b/gdb/gdbarch.h
index 2077048..64b0368 100644 (file)
--- a/gdb/gdbarch.h
+++ b/gdb/gdbarch.h
@@ -410,6 +410,23 @@ extern void set_gdbarch_do_registers_info (struct gdbarch *gdbarch, gdbarch_do_r
 #endif
 #endif
 
+/* MAP a GDB RAW register number onto a simulator register number.  See
+   also include/...-sim.h. */
+
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (REGISTER_SIM_REGNO)
+#define REGISTER_SIM_REGNO(reg_nr) (default_register_sim_regno (reg_nr))
+#endif
+
+typedef int (gdbarch_register_sim_regno_ftype) (int reg_nr);
+extern int gdbarch_register_sim_regno (struct gdbarch *gdbarch, int reg_nr);
+extern void set_gdbarch_register_sim_regno (struct gdbarch *gdbarch, gdbarch_register_sim_regno_ftype *register_sim_regno);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (REGISTER_SIM_REGNO)
+#define REGISTER_SIM_REGNO(reg_nr) (gdbarch_register_sim_regno (current_gdbarch, reg_nr))
+#endif
+#endif
+
 extern int gdbarch_use_generic_dummy_frames (struct gdbarch *gdbarch);
 extern void set_gdbarch_use_generic_dummy_frames (struct gdbarch *gdbarch, int use_generic_dummy_frames);
 #if GDB_MULTI_ARCH

diff --git a/gdb/gdbarch.sh b/gdb/gdbarch.sh
index c8caa94..aeed515 100755 (executable)
--- a/gdb/gdbarch.sh
+++ b/gdb/gdbarch.sh
@@ -342,6 +342,9 @@ f:2:REGISTER_VIRTUAL_SIZE:int:register_virtual_size:int reg_nr:reg_nr::0:0
 v:2:MAX_REGISTER_VIRTUAL_SIZE:int:max_register_virtual_size::::0:-1
 f:2:REGISTER_VIRTUAL_TYPE:struct type *:register_virtual_type:int reg_nr:reg_nr::0:0
 f:2:DO_REGISTERS_INFO:void:do_registers_info:int reg_nr, int fpregs:reg_nr, fpregs:::do_registers_info::0
+# MAP a GDB RAW register number onto a simulator register number.  See
+# also include/...-sim.h.
+f:2:REGISTER_SIM_REGNO:int:register_sim_regno:int reg_nr:reg_nr:::default_register_sim_regno::0
 #
 v:1:USE_GENERIC_DUMMY_FRAMES:int:use_generic_dummy_frames::::0:-1
 v:2:CALL_DUMMY_LOCATION:int:call_dummy_location::::0:0

diff --git a/gdb/remote-sim.c b/gdb/remote-sim.c
index c992e9a..d02b1ba 100644 (file)
--- a/gdb/remote-sim.c
+++ b/gdb/remote-sim.c
@@ -270,10 +270,6 @@ gdb_os_error (host_callback * p, const char *format,...)
     }
 }
 
-#ifndef REGISTER_SIM_REGNO
-#define REGISTER_SIM_REGNO(N) (N)
-#endif
-
 static void
 gdbsim_fetch_register (int regno)
 {