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84a05e52 JG |
1 | /* Target machine definitions for GDB for an embedded SPARC. |
2 | Copyright 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-sparc.h" | |
21 | ||
22 | /* Offsets into jmp_buf. Not defined by Sun, but at least documented in a | |
23 | comment in <machine/setjmp.h>! */ | |
24 | ||
25 | #define JB_ELEMENT_SIZE 4 /* Size of each element in jmp_buf */ | |
26 | ||
27 | #define JB_ONSSTACK 0 | |
28 | #define JB_SIGMASK 1 | |
29 | #define JB_SP 2 | |
30 | #define JB_PC 3 | |
31 | #define JB_NPC 4 | |
32 | #define JB_PSR 5 | |
33 | #define JB_G1 6 | |
34 | #define JB_O0 7 | |
35 | #define JB_WBCNT 8 | |
36 | ||
37 | /* Figure out where the longjmp will land. We expect that we have just entered | |
38 | longjmp and haven't yet setup the stack frame, so the args are still in the | |
39 | output regs. %o0 (O0_REGNUM) points at the jmp_buf structure from which we | |
40 | extract the pc (JB_PC) that we will land at. The pc is copied into ADDR. | |
41 | This routine returns true on success */ | |
42 | ||
43 | extern int | |
44 | get_longjmp_target PARAMS ((CORE_ADDR *)); | |
45 | ||
46 | #define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR) |