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35f5886ebb
/proc (process file system) support, Amiga UNIX target and host defines, SVR4 target and host defines, and m68k hosts defines.
57 lines
2.0 KiB
C
57 lines
2.0 KiB
C
/* Macro definitions for GDB on a Commodore Amiga running SVR4 (amix).
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Copyright (C) 1991, Free Software Foundation, Inc.
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Written by Fred Fish at Cygnus Support (fnf@cygint)
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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., 675 Mass Ave, Cambridge, MA 02139, USA. */
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/* All Amiga's (so far) running UNIX have come standard with the floating
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point coprocessor. */
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#define HAVE_68881 /* Amiga has floating point coprocessor */
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/* Sequence of bytes for breakpoint instruction.
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This is a TRAP instruction. The last 4 bits (0x1 below) is the
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vector. */
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#define BREAKPOINT {0x4e, 0x41 } /* Trap using vector 0x1 */
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/* How much to decrement the PC after a trap. Depends on kernel. */
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#define DECR_PC_AFTER_BREAK 0 /* No decrement required */
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#include "tm-68k.h"
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#include "tm-svr4.h"
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/* Address of end of stack space. (actually one byte past it).
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This value is typically very OS dependent.
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FIXME: Check to see if SVR4 offers some machine independent way
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of discovering this value and use it if so, and if we need it. */
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/* #define STACK_END_ADDR 0xc0800000 */
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/* Use the alternate method of avoiding running up off the end of
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the frame chain or following frames back into the startup code.
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See the comments in blockframe.c */
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#undef FRAME_CHAIN_VALID
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#define FRAME_CHAIN_VALID(chain, thisframe) \
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(chain != 0 \
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&& !(inside_main_scope ((thisframe)->pc)) \
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&& !(inside_entry_scope ((thisframe)->pc)))
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