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- /* Macro definitions for GDB on a Commodore Amiga running SVR4 (amix).
- Copyright (C) 1991, Free Software Foundation, Inc.
- Written by Fred Fish at Cygnus Support (fnf@cygint)
-
- 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- /* All Amiga's (so far) running UNIX have come standard with the floating
- point coprocessor. */
-
- #define HAVE_68881
-
- /* Define BPT_VECTOR if it is different than the default.
- This is the vector number used by traps to indicate a breakpoint. */
-
- #define BPT_VECTOR 0x1
-
- /* How much to decrement the PC after a trap. Depends on kernel. */
-
- #define DECR_PC_AFTER_BREAK 0 /* No decrement required */
-
- /* Address of end of stack space. Actually one byte past it.
- This value is typically very OS dependent.
- FIXME: Check to see if SVR4 offers some machine independent way
- of discovering this value and use it if so, and if we need it. */
-
- /* #define STACK_END_ADDR 0xc0800000 */
-
- /* Use the alternate method of determining valid frame chains. */
-
- #define FRAME_CHAIN_VALID_ALTERNATE
-
- #include "tm-sysv4.h"
- #include "tm-68k.h"
-
- /* Offsets (in target ints) into jmp_buf. Not defined in any system header
- file, so we have to step through setjmp/longjmp with a debugger and figure
- them out. As a double check, note that <setjmp> defines _JBLEN as 13,
- which matches the number of elements we see saved by setjmp(). */
-
- #define JB_ELEMENT_SIZE sizeof(int) /* jmp_buf[_JBLEN] is array of ints */
-
- #define JB_D2 0
- #define JB_D3 1
- #define JB_D4 2
- #define JB_D5 3
- #define JB_D6 4
- #define JB_D7 5
- #define JB_A1 6
- #define JB_A2 7
- #define JB_A3 8
- #define JB_A4 9
- #define JB_A5 10
- #define JB_A6 11
- #define JB_A7 12
-
- #define JB_PC JB_A1 /* Setjmp()'s return PC saved in A1 */
-
- /* Figure out where the longjmp will land. Slurp the args out of the stack.
- We expect the first arg to be a pointer to the jmp_buf structure from which
- we extract the pc (JB_PC) that we will land at. The pc is copied into ADDR.
- This routine returns true on success */
-
- #define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR)
-