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[/] [or1k/] [trunk/] [insight/] [gdb/] [config/] [i386/] [tm-go32.h] - Rev 578

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/* Target-dependent definitions for Intel x86 running DJGPP.
   Copyright 1995, 1996, 1997, 1999, 2000 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.  */
 
#ifndef TM_GO32_H
#define TM_GO32_H
 
#undef HAVE_SSE_REGS	/* FIXME! go32-nat.c needs to support XMMi registers */
#define HAVE_I387_REGS
 
#include "i386/tm-i386.h"
 
/* FRAME_CHAIN takes a frame's nominal address and produces the frame's
   chain-pointer.
   In the case of the i386, the frame's nominal address
   is the address of a 4-byte word containing the calling frame's address.
   DJGPP doesn't have any special frames for signal handlers, they are
   just normal C functions. */
#undef  FRAME_CHAIN
#define FRAME_CHAIN(thisframe) \
  (!inside_entry_file ((thisframe)->pc) ? \
   read_memory_integer ((thisframe)->frame, 4) :\
   0)
 
/* A macro that tells us whether the function invocation represented
   by FI does not have a frame on the stack associated with it.  If it
   does not, FRAMELESS is set to 1, else 0.  */
#undef  FRAMELESS_FUNCTION_INVOCATION
#define FRAMELESS_FUNCTION_INVOCATION(FI) \
     (frameless_look_for_prologue(FI))
 
#undef  FRAME_SAVED_PC
#define FRAME_SAVED_PC(FRAME) (read_memory_integer ((FRAME)->frame + 4, 4))
 
#endif /* TM_GO32_H */
 

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