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[/] [or1k/] [trunk/] [gdb-5.0/] [gdb/] [arch-utils.c] - Blame information for rev 1765

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1 104 markom
/* Dynamic architecture support for GDB, the GNU debugger.
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   Copyright 1998-1999, Free Software Foundation, Inc.
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   This file is part of GDB.
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   This program is free software; you can redistribute it and/or modify
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   it under the terms of the GNU General Public License as published by
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   the Free Software Foundation; either version 2 of the License, or
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   (at your option) any later version.
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   This program is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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   GNU General Public License for more details.
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   You should have received a copy of the GNU General Public License
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   along with this program; if not, write to the Free Software
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   Foundation, Inc., 59 Temple Place - Suite 330,
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   Boston, MA 02111-1307, USA.  */
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#include "defs.h"
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#if GDB_MULTI_ARCH
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#include "gdbcmd.h"
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#include "inferior.h"           /* enum CALL_DUMMY_LOCATION et.al. */
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#else
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/* Just include everything in sight so that the every old definition
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   of macro is visible. */
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#include "gdb_string.h"
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#include <ctype.h>
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#include "symtab.h"
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#include "frame.h"
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#include "inferior.h"
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#include "breakpoint.h"
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#include "gdb_wait.h"
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#include "gdbcore.h"
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#include "gdbcmd.h"
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#include "target.h"
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#include "gdbthread.h"
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#include "annotate.h"
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#include "symfile.h"            /* for overlay functions */
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#endif
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/* Convenience macro for allocting typesafe memory. */
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#ifndef XMALLOC
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#define XMALLOC(TYPE) (TYPE*) xmalloc (sizeof (TYPE))
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#endif
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/* Use the program counter to determine the contents and size
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   of a breakpoint instruction.  If no target-dependent macro
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   BREAKPOINT_FROM_PC has been defined to implement this function,
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   assume that the breakpoint doesn't depend on the PC, and
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   use the values of the BIG_BREAKPOINT and LITTLE_BREAKPOINT macros.
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   Return a pointer to a string of bytes that encode a breakpoint
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   instruction, stores the length of the string to *lenptr,
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   and optionally adjust the pc to point to the correct memory location
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   for inserting the breakpoint.  */
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unsigned char *
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legacy_breakpoint_from_pc (CORE_ADDR * pcptr, int *lenptr)
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{
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  /* {BIG_,LITTLE_}BREAKPOINT is the sequence of bytes we insert for a
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     breakpoint.  On some machines, breakpoints are handled by the
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     target environment and we don't have to worry about them here.  */
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#ifdef BIG_BREAKPOINT
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  if (TARGET_BYTE_ORDER == BIG_ENDIAN)
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    {
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      static unsigned char big_break_insn[] = BIG_BREAKPOINT;
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      *lenptr = sizeof (big_break_insn);
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      return big_break_insn;
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    }
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#endif
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#ifdef LITTLE_BREAKPOINT
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  if (TARGET_BYTE_ORDER != BIG_ENDIAN)
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    {
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      static unsigned char little_break_insn[] = LITTLE_BREAKPOINT;
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      *lenptr = sizeof (little_break_insn);
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      return little_break_insn;
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    }
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#endif
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#ifdef BREAKPOINT
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  {
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    static unsigned char break_insn[] = BREAKPOINT;
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    *lenptr = sizeof (break_insn);
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    return break_insn;
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  }
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#endif
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  *lenptr = 0;
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  return NULL;
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}
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int
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generic_frameless_function_invocation_not (struct frame_info *fi)
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{
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  return 0;
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}
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char *
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legacy_register_name (int i)
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{
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#ifdef REGISTER_NAMES
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  static char *names[] = REGISTER_NAMES;
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  if (i < 0 || i >= (sizeof (names) / sizeof (*names)))
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    return NULL;
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  else
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    return names[i];
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#else
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  internal_error ("legacy_register_name: called.");
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  return NULL;
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#endif
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}
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#if defined (CALL_DUMMY)
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LONGEST legacy_call_dummy_words[] = CALL_DUMMY;
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#else
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LONGEST legacy_call_dummy_words[1];
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#endif
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int legacy_sizeof_call_dummy_words = sizeof (legacy_call_dummy_words);
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void
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generic_remote_translate_xfer_address (CORE_ADDR gdb_addr, int gdb_len,
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                                       CORE_ADDR * rem_addr, int *rem_len)
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{
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  *rem_addr = gdb_addr;
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  *rem_len = gdb_len;
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}
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/* */
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extern initialize_file_ftype __initialize_gdbarch_utils;
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void
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__initialize_gdbarch_utils (void)
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{
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}

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