projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 48a522d9 JG |
1 | /* Target machine parameters for embedded m68k, without float, for GDB. |
| 2 | Copyright 1986, 1987, 1989, 1992, 1993 Free Software Foundation, Inc. | |
| 3 | ||
| 4 | This file is part of GDB. | |
| 5 | ||
| 6 | This program is free software; you can redistribute it and/or modify | |
| 7 | it under the terms of the GNU General Public License as published by | |
| 8 | the Free Software Foundation; either version 2 of the License, or | |
| 9 | (at your option) any later version. | |
| 10 | ||
| 11 | This program is distributed in the hope that it will be useful, | |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 | GNU General Public License for more details. | |
| 15 | ||
| 16 | You should have received a copy of the GNU General Public License | |
| 17 | along with this program; if not, write to the Free Software | |
| 18 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
| 19 | ||
| 20 | #include "tm-68k.h" | |
| 21 | ||
| 22 | /* Longjmp info comes from the Sun-3 machine description. Might as well | |
| 23 | guess... */ | |
| 24 | ||
| 25 | /* Offsets (in target ints) into jmp_buf. Not defined by Sun, but at least | |
| 26 | documented in a comment in <machine/setjmp.h>! */ | |
| 27 | ||
| 28 | #define JB_ELEMENT_SIZE 4 | |
| 29 | ||
| 30 | #define JB_ONSSTACK 0 | |
| 31 | #define JB_SIGMASK 1 | |
| 32 | #define JB_SP 2 | |
| 33 | #define JB_PC 3 | |
| 34 | #define JB_PSL 4 | |
| 35 | #define JB_D2 5 | |
| 36 | #define JB_D3 6 | |
| 37 | #define JB_D4 7 | |
| 38 | #define JB_D5 8 | |
| 39 | #define JB_D6 9 | |
| 40 | #define JB_D7 10 | |
| 41 | #define JB_A2 11 | |
| 42 | #define JB_A3 12 | |
| 43 | #define JB_A4 13 | |
| 44 | #define JB_A5 14 | |
| 45 | #define JB_A6 15 | |
| 46 | ||
| 47 | /* Figure out where the longjmp will land. Slurp the args out of the stack. | |
| 48 | We expect the first arg to be a pointer to the jmp_buf structure from which | |
| 49 | we extract the pc (JB_PC) that we will land at. The pc is copied into ADDR. | |
| 50 | This routine returns true on success */ | |
| 51 | ||
| 52 | #define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR) | |
| 53 | ||
| 54 | /* Where is the PC after a call? */ | |
| 55 | ||
| 56 | #ifdef __STDC__ | |
| 57 | struct frame_info; | |
| 58 | #endif | |
| 59 | ||
| 60 | extern CORE_ADDR m68k_saved_pc_after_call PARAMS ((struct frame_info *)); | |
| 61 | ||
| 62 | #undef SAVED_PC_AFTER_CALL | |
| 63 | #define SAVED_PC_AFTER_CALL(frame) \ | |
| 64 | m68k_saved_pc_after_call(frame) |