projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| ebb3a1e5 JG |
1 | /* Target machine definitions for GDB for an embedded SPARC, that uses |
| 2 | a file format where symbols have no leading underscore. | |
| 3 | Copyright (C) 1989, 1992 Free Software Foundation, Inc. | |
| 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 | #include "tm-sparc.h" | |
| 22 | ||
| 23 | /* Arbitrary -- FIXME. */ | |
| 24 | ||
| 25 | #undef STACK_END_ADDRESS | |
| 26 | #define STACK_END_ADDRESS 0xf8000000 | |
| 27 | ||
| 28 | /* Offsets into jmp_buf. Not defined by Sun, but at least documented in a | |
| 29 | comment in <machine/setjmp.h>! */ | |
| 30 | ||
| 31 | #define JB_ELEMENT_SIZE 4 /* Size of each element in jmp_buf */ | |
| 32 | ||
| 33 | #define JB_ONSSTACK 0 | |
| 34 | #define JB_SIGMASK 1 | |
| 35 | #define JB_SP 2 | |
| 36 | #define JB_PC 3 | |
| 37 | #define JB_NPC 4 | |
| 38 | #define JB_PSR 5 | |
| 39 | #define JB_G1 6 | |
| 40 | #define JB_O0 7 | |
| 41 | #define JB_WBCNT 8 | |
| 42 | ||
| 43 | /* Figure out where the longjmp will land. We expect that we have just entered | |
| 44 | longjmp and haven't yet setup the stack frame, so the args are still in the | |
| 45 | output regs. %o0 (O0_REGNUM) points at the jmp_buf structure from which we | |
| 46 | extract the pc (JB_PC) that we will land at. The pc is copied into ADDR. | |
| 47 | This routine returns true on success */ | |
| 48 | ||
| 49 | extern int | |
| 50 | get_longjmp_target PARAMS ((CORE_ADDR *)); | |
| 51 | ||
| 52 | #define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR) |