Initial creation of sourceware repository

1 files changed, 0 insertions, 295 deletions

diff --git a/gdb/w65-tdep.c b/gdb/w65-tdep.c
deleted file mode 100644
index 9546616..0000000
--- a/gdb/w65-tdep.c
+++ /dev/null
@@ -1,295 +0,0 @@
-/* Target-machine dependent code for WDC-65816, for GDB.
-   Copyright (C) 1995 Free Software Foundation, Inc.
-
-   This file is part of GDB.
-
-   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
-   (at your option) any later version.
-
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
-
-/*
-   Contributed by Steve Chamberlain
-   sac@cygnus.com
- */
-
-#include "defs.h"
-#include "frame.h"
-#include "obstack.h"
-#include "symtab.h"
-#include "gdbcmd.h"
-#include "gdbtypes.h"
-#include "dis-asm.h"
-#include "gdbcore.h"
-
-/* Return the saved PC from this frame. */
-
-
-CORE_ADDR
-w65_frame_saved_pc (frame)
-     struct frame_info *frame;
-{
-  return (read_memory_integer (frame->frame + 2, 4) & 0xffffff);
-}
-
-CORE_ADDR
-w65_addr_bits_remove (addr)
-     CORE_ADDR addr;
-{
-  return ((addr) & 0xffffff);
-}
-
-read_memory_pointer (x)
-     CORE_ADDR x;
-{
-  return read_memory_integer (ADDR_BITS_REMOVE (x), 4);
-}
-
-init_frame_pc ()
-{
-  abort ();
-}
-
-void
-w65_push_dummy_frame ()
-{
-  abort ();
-}
-
-/* Put here the code to store, into a struct frame_saved_regs,
-   the addresses of the saved registers of frame described by FRAME_INFO.
-   This includes special registers such as pc and fp saved in special
-   ways in the stack frame.  sp is even more special:
-   the address we return for it IS the sp for the next frame.
-
-   We cache the result of doing this in the frame_cache_obstack, since
-   it is fairly expensive.  */
-
-void
-frame_find_saved_regs (fip, fsrp)
-     struct frame_info *fip;
-     struct frame_saved_regs *fsrp;
-{
-  int locals;
-  CORE_ADDR pc;
-  CORE_ADDR adr;
-  int i;
-
-  memset (fsrp, 0, sizeof *fsrp);
-}
-
-int
-saved_pc_after_call ()
-{
-  int sp = read_register (SP_REGNUM);
-  int val = read_memory_integer (sp + 1, 4);
-  return ADDR_BITS_REMOVE (val);
-}
-
-
-extract_return_value (type, regbuf, valbuf)
-     struct type *type;
-     char *regbuf;
-     char *valbuf;
-{
-  int b;
-  int len = TYPE_LENGTH (type);
-
-  for (b = 0; b < len; b += 2)
-    {
-      int todo = len - b;
-      if (todo > 2)
-	todo = 2;
-      memcpy (valbuf + b, regbuf + b, todo);
-    }
-}
-
-void
-write_return_value (type, valbuf)
-     struct type *type;
-     char *valbuf;
-{
-  int reg;
-  int len;
-  for (len = 0; len < TYPE_LENGTH (type); len += 2)
-    {
-      write_register_bytes (REGISTER_BYTE (len / 2 + 2), valbuf + len, 2);
-    }
-}
-
-void
-store_struct_return (addr, sp)
-     CORE_ADDR addr;
-     CORE_ADDR sp;
-{
-  write_register (2, addr);
-}
-
-void
-w65_pop_frame ()
-{
-}
-
-init_extra_frame_info ()
-{
-}
-
-pop_frame ()
-{
-}
-
-w65_frame_chain (thisframe)
-     struct frame_info *thisframe;
-{
-  return 0xffff & read_memory_integer ((thisframe)->frame, 2);
-}
-
-static int
-gb (x)
-{
-  return read_memory_integer (x, 1) & 0xff;
-}
-
-extern CORE_ADDR 
-w65_skip_prologue (pc)
-     CORE_ADDR pc;
-{
-  CORE_ADDR too_far = pc + 20;
-
-  /* looking for bits of the prologue, we can expect to
-     see this in a frameful function:
-
-     stack adjust:
-
-     3B                 tsc
-     1A                 inc a
-     18                 clc
-     69E2FF             adc     #0xffe2
-     3A                 dec a
-     1B                 tcs
-     1A                 inc a
-
-     link:
-
-     A500               lda     <r15
-     48                 pha
-     3B                 tsc
-     1a                 inc     a
-     8500               sta     <r15
-
-   */
-
-#define TSC  0x3b
-#define TCS  0x1b
-#define INCA 0x1a
-#define PHA  0x48
-#define LDADIR 0xa5
-#define STADIR 0x85
-
-  /* Skip a stack adjust - any area between a tsc and tcs */
-  if (gb (pc) == TSC)
-    {
-      while (pc < too_far && gb (pc) != TCS)
-	{
-	  pc++;
-	}
-      pc++;
-      /* Skip a stupid inc a */
-      if (gb (pc) == INCA)
-	pc++;
-
-    }
-  /* Stack adjust can also be done with n pha's */
-  while (gb (pc) == PHA)
-    pc++;
-
-  /* Skip a link - that's a ld/ph/tsc/inc/sta */
-
-  if (gb (pc) == LDADIR
-      && gb (pc + 5) == STADIR
-      && gb (pc + 1) == gb (pc + 6)
-      && gb (pc + 2) == PHA
-      && gb (pc + 3) == TSC
-      && gb (pc + 4) == INCA)
-    {
-      pc += 7;
-    }
-
-  return pc;
-}
-
-
-register_raw_size (n)
-{
-  return sim_reg_size (n);
-}
-
-
-void
-print_register_hook (regno)
-{
-  if (regno == P_REGNUM)
-    {
-      /* CCR register */
-
-      int C, Z, N, V, I, D, X, M;
-      unsigned char b[1];
-      unsigned char l;
-
-      read_relative_register_raw_bytes (regno, b);
-      l = b[0];
-      printf_unfiltered ("\t");
-      C = (l & 0x1) != 0;
-      Z = (l & 0x2) != 0;
-      I = (l & 0x4) != 0;
-      D = (l & 0x8) != 0;
-      X = (l & 0x10) != 0;
-      M = (l & 0x20) != 0;
-      V = (l & 0x40) != 0;
-      N = (l & 0x80) != 0;
-
-      printf_unfiltered ("N-%d ", N);
-      printf_unfiltered ("V-%d ", V);
-      printf_unfiltered ("M-%d ", M);
-      printf_unfiltered ("X-%d ", X);
-      printf_unfiltered ("D-%d ", D);
-      printf_unfiltered ("I-%d ", I);
-      printf_unfiltered ("Z-%d ", Z);
-      printf_unfiltered ("C-%d ", C);
-      if ((C | Z) == 0)
-	printf_unfiltered ("u> ");
-      if ((C | Z) == 1)
-	printf_unfiltered ("u<= ");
-      if ((C == 0))
-	printf_unfiltered ("u>= ");
-      if (C == 1)
-	printf_unfiltered ("u< ");
-      if (Z == 0)
-	printf_unfiltered ("!= ");
-      if (Z == 1)
-	printf_unfiltered ("== ");
-      if ((N ^ V) == 0)
-	printf_unfiltered (">= ");
-      if ((N ^ V) == 1)
-	printf_unfiltered ("< ");
-      if ((Z | (N ^ V)) == 0)
-	printf_unfiltered ("> ");
-      if ((Z | (N ^ V)) == 1)
-	printf_unfiltered ("<= ");
-    }
-}
-
-void
-_initialize_w65_tdep ()
-{
-  tm_print_insn = print_insn_w65;
-}