old-cross-binutils/gdb/config/i386/tm-go32.h

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/* Target-dependent definitions for Intel x86 running DJGPP.
Copyright 1995, 1996, 1997, 1999, 2000 Free Software Foundation, Inc.
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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. */
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#ifndef TM_GO32_H
#define TM_GO32_H
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#undef HAVE_SSE_REGS /* FIXME! go32-nat.c needs to support XMMi registers */
#define HAVE_I387_REGS
#include "i386/tm-i386.h"
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/* 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))
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#endif /* TM_GO32_H */