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dd3b648e RP |
1 | /* Extract registers from a "standard" core file, for GDB. |
2 | Copyright (C) 1988-1991 Free Software Foundation, Inc. | |
3 | ||
4 | This file is part of GDB. | |
5 | ||
99a7de40 | 6 | This program is free software; you can redistribute it and/or modify |
dd3b648e | 7 | it under the terms of the GNU General Public License as published by |
99a7de40 JG |
8 | the Free Software Foundation; either version 2 of the License, or |
9 | (at your option) any later version. | |
dd3b648e | 10 | |
99a7de40 | 11 | This program is distributed in the hope that it will be useful, |
dd3b648e RP |
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 | |
99a7de40 JG |
17 | along with this program; if not, write to the Free Software |
18 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
dd3b648e RP |
19 | |
20 | /* core.c is supposed to be the more machine-independent aspects of this; | |
21 | this file is more machine-specific. */ | |
22 | ||
23 | #include "defs.h" | |
24 | #include "param.h" | |
25 | #include "gdbcore.h" | |
26 | ||
27 | /* Some of these are needed on various systems, perhaps, to expand | |
28 | REGISTER_U_ADDR appropriately? */ | |
29 | /* #include <sys/core.h> */ | |
30 | #include <sys/param.h> | |
31 | #include <sys/dir.h> | |
32 | #include <sys/file.h> | |
33 | #include <sys/stat.h> | |
34 | #include <sys/user.h> | |
2f1cfadd | 35 | #ifndef USG |
2b88cafe SG |
36 | #include <sys/ptrace.h> |
37 | #endif | |
dd3b648e RP |
38 | |
39 | ||
40 | /* Extract the register values out of the core file and store | |
41 | them where `read_register' will find them. */ | |
42 | ||
43 | void | |
44 | fetch_core_registers (core_reg_sect, core_reg_size) | |
45 | char *core_reg_sect; | |
46 | unsigned core_reg_size; | |
47 | { | |
48 | register int regno; | |
49 | register unsigned int addr; | |
50 | int bad_reg = -1; | |
51 | ||
52 | for (regno = 0; regno < NUM_REGS; regno++) | |
53 | { | |
54 | addr = register_addr (regno, core_reg_size); | |
55 | if (addr >= core_reg_size) { | |
56 | if (bad_reg < 0) | |
57 | bad_reg = regno; | |
58 | } else { | |
59 | supply_register (regno, core_reg_sect + addr); | |
60 | } | |
61 | } | |
62 | if (bad_reg > 0) | |
63 | { | |
64 | error ("Register %s not found in core file.", reg_names[bad_reg]); | |
65 | } | |
66 | } | |
67 | ||
68 | ||
69 | #ifdef REGISTER_U_ADDR | |
70 | ||
71 | /* Return the address in the core dump or inferior of register REGNO. | |
72 | BLOCKEND is the address of the end of the user structure. */ | |
73 | ||
74 | unsigned int | |
75 | register_addr (regno, blockend) | |
76 | int regno; | |
77 | int blockend; | |
78 | { | |
79 | int addr; | |
80 | ||
81 | if (regno < 0 || regno >= NUM_REGS) | |
82 | error ("Invalid register number %d.", regno); | |
83 | ||
84 | REGISTER_U_ADDR (addr, blockend, regno); | |
85 | ||
86 | return addr; | |
87 | } | |
88 | ||
89 | #endif /* REGISTER_U_ADDR */ |