projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 35f5886e FF |
1 | /* Macro definitions for GDB on a Commodore Amiga running SVR4 (amix). |
| 2 | Copyright (C) 1991, Free Software Foundation, Inc. | |
| 3 | Written by Fred Fish at Cygnus Support (fnf@cygint) | |
| 4 | ||
| 5 | This file is part of GDB. | |
| 6 | ||
| 7 | This program is free software; you can redistribute it and/or modify | |
| 8 | it under the terms of the GNU General Public License as published by | |
| 9 | the Free Software Foundation; either version 2 of the License, or | |
| 10 | (at your option) any later version. | |
| 11 | ||
| 12 | This program is distributed in the hope that it will be useful, | |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 | GNU General Public License for more details. | |
| 16 | ||
| 17 | You should have received a copy of the GNU General Public License | |
| 18 | along with this program; if not, write to the Free Software | |
| 19 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
| 20 | ||
| 21 | /* All Amiga's (so far) running UNIX have come standard with the floating | |
| 22 | point coprocessor. */ | |
| 23 | ||
| 24 | #define HAVE_68881 /* Amiga has floating point coprocessor */ | |
| 25 | ||
| 26 | /* Sequence of bytes for breakpoint instruction. | |
| 27 | This is a TRAP instruction. The last 4 bits (0x1 below) is the | |
| 28 | vector. */ | |
| 29 | ||
| 30 | #define BREAKPOINT {0x4e, 0x41 } /* Trap using vector 0x1 */ | |
| 31 | ||
| 32 | /* How much to decrement the PC after a trap. Depends on kernel. */ | |
| 33 | ||
| 34 | #define DECR_PC_AFTER_BREAK 0 /* No decrement required */ | |
| 35 | ||
| 36 | ||
| 37 | #include "tm-68k.h" | |
| 38 | #include "tm-svr4.h" | |
| 39 | ||
| 40 | /* Address of end of stack space. (actually one byte past it). | |
| 41 | This value is typically very OS dependent. | |
| 42 | FIXME: Check to see if SVR4 offers some machine independent way | |
| 43 | of discovering this value and use it if so, and if we need it. */ | |
| 44 | ||
| 45 | /* #define STACK_END_ADDR 0xc0800000 */ | |
| 46 | ||
| 47 | /* Use the alternate method of avoiding running up off the end of | |
| 48 | the frame chain or following frames back into the startup code. | |
| 49 | See the comments in blockframe.c */ | |
| 50 | ||
| 51 | #undef FRAME_CHAIN_VALID | |
| 52 | #define FRAME_CHAIN_VALID(chain, thisframe) \ | |
| 53 | (chain != 0 \ | |
| 54 | && !(inside_main_scope ((thisframe)->pc)) \ | |
| 55 | && !(inside_entry_scope ((thisframe)->pc))) | |
| 56 |