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c906108c SS |
1 | /* Macro definitions for i386 running NetWare. |
2 | Copyright 1993, 1994 Free Software Foundation, Inc. | |
3 | ||
c5aa993b | 4 | This file is part of GDB. |
c906108c | 5 | |
c5aa993b JM |
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. | |
c906108c | 10 | |
c5aa993b JM |
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. | |
c906108c | 15 | |
c5aa993b JM |
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., 59 Temple Place - Suite 330, | |
19 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
20 | |
21 | #ifndef TM_I386NW_H | |
22 | #define TM_I386NW_H 1 | |
23 | ||
24 | #include "i386/tm-i386.h" | |
25 | ||
26 | /* Stop backtracing when we wander into main. */ | |
27 | ||
28 | #define FRAME_CHAIN_VALID(fp,fi) alternate_frame_chain_valid (fp, fi) | |
29 | ||
30 | ||
31 | /* Offsets (in target ints) into jmp_buf. Not defined in any system header | |
32 | file, so we have to step through setjmp/longjmp with a debugger and figure | |
33 | them out. */ | |
34 | ||
35 | #define JB_ELEMENT_SIZE 4 /* jmp_buf[] is array of ints */ | |
36 | ||
37 | #define JB_PC 6 /* Setjmp()'s return PC saved here */ | |
38 | ||
39 | /* Figure out where the longjmp will land. Slurp the args out of the stack. | |
40 | We expect the first arg to be a pointer to the jmp_buf structure from which | |
41 | we extract the pc (JB_PC) that we will land at. The pc is copied into ADDR. | |
42 | This routine returns true on success */ | |
43 | ||
44 | extern int | |
45 | get_longjmp_target PARAMS ((CORE_ADDR *)); | |
46 | ||
47 | #define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR) | |
48 | ||
c5aa993b | 49 | #endif /* ifndef TM_I386NW_H */ |