Commit | Line | Data |
---|---|---|
c906108c | 1 | /* Machine independent variables that describe the core file under GDB. |
00e32a35 | 2 | |
6aba47ca DJ |
3 | Copyright (C) 1986, 1987, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, |
4 | 1997, 1998, 1999, 2000, 2001, 2004, 2007 Free Software Foundation, Inc. | |
c906108c | 5 | |
c5aa993b | 6 | This file is part of GDB. |
c906108c | 7 | |
c5aa993b JM |
8 | This program is free software; you can redistribute it and/or modify |
9 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 10 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 11 | (at your option) any later version. |
c906108c | 12 | |
c5aa993b JM |
13 | This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
c906108c | 17 | |
c5aa993b | 18 | You should have received a copy of the GNU General Public License |
a9762ec7 | 19 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
20 | |
21 | /* Interface routines for core, executable, etc. */ | |
22 | ||
23 | #if !defined (GDBCORE_H) | |
24 | #define GDBCORE_H 1 | |
25 | ||
da3331ec | 26 | struct type; |
9eefc95f | 27 | struct regcache; |
da3331ec | 28 | |
c906108c SS |
29 | #include "bfd.h" |
30 | ||
31 | /* Return the name of the executable file as a string. | |
32 | ERR nonzero means get error if there is none specified; | |
33 | otherwise return 0 in that case. */ | |
34 | ||
a14ed312 | 35 | extern char *get_exec_file (int err); |
c906108c SS |
36 | |
37 | /* Nonzero if there is a core file. */ | |
38 | ||
a14ed312 | 39 | extern int have_core_file_p (void); |
c906108c SS |
40 | |
41 | /* Read "memory data" from whatever target or inferior we have. | |
42 | Returns zero if successful, errno value if not. EIO is used for | |
43 | address out of bounds. If breakpoints are inserted, returns shadow | |
44 | contents, not the breakpoints themselves. From breakpoint.c. */ | |
45 | ||
1f602b35 AC |
46 | /* NOTE: cagney/2004-06-10: Code reading from a live inferior can use |
47 | the get_frame_memory methods, code reading from an exec can use the | |
48 | target methods. */ | |
49 | ||
359a9262 JB |
50 | extern int read_memory_nobpt (CORE_ADDR memaddr, gdb_byte *myaddr, |
51 | unsigned len); | |
c906108c SS |
52 | |
53 | /* Report a memory error with error(). */ | |
54 | ||
a14ed312 | 55 | extern void memory_error (int status, CORE_ADDR memaddr); |
c906108c SS |
56 | |
57 | /* Like target_read_memory, but report an error if can't read. */ | |
58 | ||
10c42a71 | 59 | extern void read_memory (CORE_ADDR memaddr, gdb_byte *myaddr, int len); |
c906108c | 60 | |
c906108c SS |
61 | /* Read an integer from debugged memory, given address and number of |
62 | bytes. */ | |
63 | ||
a14ed312 | 64 | extern LONGEST read_memory_integer (CORE_ADDR memaddr, int len); |
16a0f3e7 | 65 | extern int safe_read_memory_integer (CORE_ADDR memaddr, int len, LONGEST *return_value); |
c906108c SS |
66 | |
67 | /* Read an unsigned integer from debugged memory, given address and | |
68 | number of bytes. */ | |
69 | ||
a14ed312 | 70 | extern ULONGEST read_memory_unsigned_integer (CORE_ADDR memaddr, int len); |
c906108c SS |
71 | |
72 | /* Read a null-terminated string from the debuggee's memory, given address, | |
c5aa993b | 73 | * a buffer into which to place the string, and the maximum available space */ |
0d540cdf | 74 | |
a14ed312 | 75 | extern void read_memory_string (CORE_ADDR, char *, int); |
c906108c | 76 | |
0d540cdf KD |
77 | /* Read the pointer of type TYPE at ADDR, and return the address it |
78 | represents. */ | |
79 | ||
570b8f7c | 80 | CORE_ADDR read_memory_typed_address (CORE_ADDR addr, struct type *type); |
0d540cdf | 81 | |
c906108c SS |
82 | /* This takes a char *, not void *. This is probably right, because |
83 | passing in an int * or whatever is wrong with respect to | |
84 | byteswapping, alignment, different sizes for host vs. target types, | |
85 | etc. */ | |
86 | ||
fc1a4b47 | 87 | extern void write_memory (CORE_ADDR memaddr, const gdb_byte *myaddr, int len); |
c906108c | 88 | |
c26e4683 JB |
89 | /* Store VALUE at ADDR in the inferior as a LEN-byte unsigned integer. */ |
90 | extern void write_memory_unsigned_integer (CORE_ADDR addr, int len, | |
91 | ULONGEST value); | |
92 | ||
93 | /* Store VALUE at ADDR in the inferior as a LEN-byte unsigned integer. */ | |
94 | extern void write_memory_signed_integer (CORE_ADDR addr, int len, | |
95 | LONGEST value); | |
96 | ||
a14ed312 KB |
97 | extern void generic_search (int len, char *data, char *mask, |
98 | CORE_ADDR startaddr, int increment, | |
99 | CORE_ADDR lorange, CORE_ADDR hirange, | |
100 | CORE_ADDR * addr_found, char *data_found); | |
c906108c SS |
101 | \f |
102 | /* Hook for `exec_file_command' command to call. */ | |
103 | ||
9a4105ab | 104 | extern void (*deprecated_exec_file_display_hook) (char *filename); |
c906108c SS |
105 | |
106 | /* Hook for "file_command", which is more useful than above | |
3a9a986f | 107 | (because it is invoked AFTER symbols are read, not before). */ |
c906108c | 108 | |
9a4105ab | 109 | extern void (*deprecated_file_changed_hook) (char *filename); |
c906108c | 110 | |
a14ed312 | 111 | extern void specify_exec_file_hook (void (*hook) (char *filename)); |
c906108c | 112 | |
3a9a986f | 113 | /* Binary File Diddlers for the exec and core files. */ |
c906108c SS |
114 | |
115 | extern bfd *core_bfd; | |
116 | extern bfd *exec_bfd; | |
117 | ||
118 | /* Whether to open exec and core files read-only or read-write. */ | |
119 | ||
120 | extern int write_files; | |
121 | ||
a14ed312 | 122 | extern void core_file_command (char *filename, int from_tty); |
c906108c | 123 | |
a14ed312 | 124 | extern void exec_file_attach (char *filename, int from_tty); |
c906108c | 125 | |
1adeb98a | 126 | extern void exec_file_clear (int from_tty); |
c906108c | 127 | |
a14ed312 | 128 | extern void validate_files (void); |
c906108c | 129 | |
c906108c SS |
130 | /* The target vector for core files. */ |
131 | ||
132 | extern struct target_ops core_ops; | |
133 | ||
134 | /* The current default bfd target. */ | |
135 | ||
136 | extern char *gnutarget; | |
137 | ||
a14ed312 | 138 | extern void set_gnutarget (char *); |
c906108c SS |
139 | |
140 | /* Structure to keep track of core register reading functions for | |
141 | various core file types. */ | |
142 | ||
c5aa993b JM |
143 | struct core_fns |
144 | { | |
c906108c | 145 | |
2acceee2 JM |
146 | /* BFD flavour that a core file handler is prepared to read. This |
147 | can be used by the handler's core tasting function as a first | |
148 | level filter to reject BFD's that don't have the right | |
149 | flavour. */ | |
c906108c | 150 | |
c5aa993b | 151 | enum bfd_flavour core_flavour; |
c906108c | 152 | |
2acceee2 JM |
153 | /* Core file handler function to call to recognize corefile |
154 | formats that BFD rejects. Some core file format just don't fit | |
155 | into the BFD model, or may require other resources to identify | |
156 | them, that simply aren't available to BFD (such as symbols from | |
157 | another file). Returns nonzero if the handler recognizes the | |
158 | format, zero otherwise. */ | |
159 | ||
507f3c78 | 160 | int (*check_format) (bfd *); |
2acceee2 JM |
161 | |
162 | /* Core file handler function to call to ask if it can handle a | |
163 | given core file format or not. Returns zero if it can't, | |
164 | nonzero otherwise. */ | |
165 | ||
507f3c78 | 166 | int (*core_sniffer) (struct core_fns *, bfd *); |
2acceee2 | 167 | |
9eefc95f UW |
168 | /* Extract the register values out of the core file and supply them |
169 | into REGCACHE. | |
c906108c | 170 | |
c5aa993b JM |
171 | CORE_REG_SECT points to the register values themselves, read into |
172 | memory. | |
c906108c | 173 | |
c5aa993b | 174 | CORE_REG_SIZE is the size of that area. |
c906108c | 175 | |
de57eccd JM |
176 | WHICH says which set of registers we are handling: |
177 | 0 --- integer registers | |
178 | 2 --- floating-point registers, on machines where they are | |
179 | discontiguous | |
180 | 3 --- extended floating-point registers, on machines where | |
181 | these are present in yet a third area. (GNU/Linux uses | |
182 | this to get at the SSE registers.) | |
c906108c | 183 | |
c5aa993b JM |
184 | REG_ADDR is the offset from u.u_ar0 to the register values relative to |
185 | core_reg_sect. This is used with old-fashioned core files to locate the | |
186 | registers in a large upage-plus-stack ".reg" section. Original upage | |
187 | address X is at location core_reg_sect+x+reg_addr. */ | |
c906108c | 188 | |
9eefc95f UW |
189 | void (*core_read_registers) (struct regcache *regcache, |
190 | char *core_reg_sect, | |
507f3c78 KB |
191 | unsigned core_reg_size, |
192 | int which, CORE_ADDR reg_addr); | |
c906108c | 193 | |
00e32a35 AC |
194 | /* Finds the next struct core_fns. They are allocated and |
195 | initialized in whatever module implements the functions pointed | |
196 | to; an initializer calls deprecated_add_core_fns to add them to | |
197 | the global chain. */ | |
c906108c | 198 | |
c5aa993b | 199 | struct core_fns *next; |
c906108c | 200 | |
c5aa993b | 201 | }; |
c906108c | 202 | |
00e32a35 AC |
203 | /* NOTE: cagney/2004-04-05: Replaced by "regset.h" and |
204 | regset_from_core_section(). */ | |
205 | extern void deprecated_add_core_fns (struct core_fns *cf); | |
a14ed312 KB |
206 | extern int default_core_sniffer (struct core_fns *cf, bfd * abfd); |
207 | extern int default_check_format (bfd * abfd); | |
c906108c | 208 | |
c5aa993b | 209 | #endif /* !defined (GDBCORE_H) */ |