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c906108c SS |
1 | /* Definitions for native support of irix4. |
2 | ||
c5aa993b | 3 | Copyright (C) 1991, 1992 Free Software Foundation, Inc. |
c906108c | 4 | |
c5aa993b | 5 | This file is part of GDB. |
c906108c | 6 | |
c5aa993b JM |
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. | |
c906108c | 11 | |
c5aa993b JM |
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. | |
c906108c | 16 | |
c5aa993b JM |
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., 59 Temple Place - Suite 330, | |
20 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
21 | |
22 | /* | |
23 | * Let's use /debug instead of all this dangerous mucking about | |
24 | * with ptrace(), which seems *extremely* fragile, anyway. | |
25 | */ | |
26 | #define USE_PROC_FS | |
27 | #define CTL_PROC_NAME_FMT "/debug/%d" | |
28 | #define AS_PROC_NAME_FMT "/debug/%d" | |
29 | #define MAP_PROC_NAME_FMT "/debug/%d" | |
30 | #define STATUS_PROC_NAME_FMT "/debug/%d" | |
31 | ||
32 | /* Don't need special routines for the SGI -- we can use infptrace.c */ | |
33 | #undef FETCH_INFERIOR_REGISTERS | |
34 | ||
35 | #define U_REGS_OFFSET 0 | |
36 | ||
37 | /* Is this really true or is this just a leftover from a DECstation | |
38 | config file? */ | |
39 | ||
40 | #define ONE_PROCESS_WRITETEXT | |
41 | ||
42 | #define TARGET_HAS_HARDWARE_WATCHPOINTS | |
43 | ||
44 | /* Temporary new watchpoint stuff */ | |
45 | #define TARGET_CAN_USE_HARDWARE_WATCHPOINT(type, cnt, ot) \ | |
46 | ((type) == bp_hardware_watchpoint) | |
47 | ||
48 | /* When a hardware watchpoint fires off the PC will be left at the | |
49 | instruction which caused the watchpoint. It will be necessary for | |
50 | GDB to step over the watchpoint. */ | |
51 | ||
52 | #define STOPPED_BY_WATCHPOINT(W) \ | |
53 | procfs_stopped_by_watchpoint(inferior_pid) | |
54 | extern int procfs_stopped_by_watchpoint PARAMS ((int)); | |
55 | ||
56 | #define HAVE_NONSTEPPABLE_WATCHPOINT | |
57 | ||
58 | /* Use these macros for watchpoint insertion/deletion. */ | |
59 | /* type can be 0: write watch, 1: read watch, 2: access watch (read/write) */ | |
c3f6f71d JM |
60 | #define target_insert_watchpoint(ADDR, LEN, TYPE) \ |
61 | procfs_set_watchpoint (inferior_pid, ADDR, LEN, TYPE, 0) | |
62 | #define target_remove_watchpoint(ADDR, LEN, TYPE) \ | |
63 | procfs_set_watchpoint (inferior_pid, ADDR, 0, 0, 0) | |
64 | extern int procfs_set_watchpoint PARAMS ((int, CORE_ADDR, int, int, int)); | |
65 | ||
66 | #define TARGET_REGION_SIZE_OK_FOR_HW_WATCHPOINT(SIZE) 1 |