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