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 | |
10 | the Free Software Foundation; either version 2 of the License, or | |
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 JM |
18 | You should have received a copy of the GNU General Public License |
19 | along with this program; if not, write to the Free Software | |
197e01b6 EZ |
20 | Foundation, Inc., 51 Franklin Street, Fifth Floor, |
21 | Boston, MA 02110-1301, USA. */ | |
c906108c SS |
22 | |
23 | /* Interface routines for core, executable, etc. */ | |
24 | ||
25 | #if !defined (GDBCORE_H) | |
26 | #define GDBCORE_H 1 | |
27 | ||
da3331ec AC |
28 | struct type; |
29 | ||
c906108c SS |
30 | #include "bfd.h" |
31 | ||
32 | /* Return the name of the executable file as a string. | |
33 | ERR nonzero means get error if there is none specified; | |
34 | otherwise return 0 in that case. */ | |
35 | ||
a14ed312 | 36 | extern char *get_exec_file (int err); |
c906108c SS |
37 | |
38 | /* Nonzero if there is a core file. */ | |
39 | ||
a14ed312 | 40 | extern int have_core_file_p (void); |
c906108c SS |
41 | |
42 | /* Read "memory data" from whatever target or inferior we have. | |
43 | Returns zero if successful, errno value if not. EIO is used for | |
44 | address out of bounds. If breakpoints are inserted, returns shadow | |
45 | contents, not the breakpoints themselves. From breakpoint.c. */ | |
46 | ||
1f602b35 AC |
47 | /* NOTE: cagney/2004-06-10: Code reading from a live inferior can use |
48 | the get_frame_memory methods, code reading from an exec can use the | |
49 | target methods. */ | |
50 | ||
359a9262 JB |
51 | extern int read_memory_nobpt (CORE_ADDR memaddr, gdb_byte *myaddr, |
52 | unsigned len); | |
c906108c SS |
53 | |
54 | /* Report a memory error with error(). */ | |
55 | ||
a14ed312 | 56 | extern void memory_error (int status, CORE_ADDR memaddr); |
c906108c SS |
57 | |
58 | /* Like target_read_memory, but report an error if can't read. */ | |
59 | ||
10c42a71 | 60 | extern void read_memory (CORE_ADDR memaddr, gdb_byte *myaddr, int len); |
c906108c | 61 | |
c906108c SS |
62 | /* Read an integer from debugged memory, given address and number of |
63 | bytes. */ | |
64 | ||
a14ed312 | 65 | extern LONGEST read_memory_integer (CORE_ADDR memaddr, int len); |
16a0f3e7 | 66 | extern int safe_read_memory_integer (CORE_ADDR memaddr, int len, LONGEST *return_value); |
c906108c SS |
67 | |
68 | /* Read an unsigned integer from debugged memory, given address and | |
69 | number of bytes. */ | |
70 | ||
a14ed312 | 71 | extern ULONGEST read_memory_unsigned_integer (CORE_ADDR memaddr, int len); |
c906108c SS |
72 | |
73 | /* Read a null-terminated string from the debuggee's memory, given address, | |
c5aa993b | 74 | * a buffer into which to place the string, and the maximum available space */ |
0d540cdf | 75 | |
a14ed312 | 76 | extern void read_memory_string (CORE_ADDR, char *, int); |
c906108c | 77 | |
0d540cdf KD |
78 | /* Read the pointer of type TYPE at ADDR, and return the address it |
79 | represents. */ | |
80 | ||
570b8f7c | 81 | CORE_ADDR read_memory_typed_address (CORE_ADDR addr, struct type *type); |
0d540cdf | 82 | |
c906108c SS |
83 | /* This takes a char *, not void *. This is probably right, because |
84 | passing in an int * or whatever is wrong with respect to | |
85 | byteswapping, alignment, different sizes for host vs. target types, | |
86 | etc. */ | |
87 | ||
fc1a4b47 | 88 | extern void write_memory (CORE_ADDR memaddr, const gdb_byte *myaddr, int len); |
c906108c | 89 | |
c26e4683 JB |
90 | /* Store VALUE at ADDR in the inferior as a LEN-byte unsigned integer. */ |
91 | extern void write_memory_unsigned_integer (CORE_ADDR addr, int len, | |
92 | ULONGEST value); | |
93 | ||
94 | /* Store VALUE at ADDR in the inferior as a LEN-byte unsigned integer. */ | |
95 | extern void write_memory_signed_integer (CORE_ADDR addr, int len, | |
96 | LONGEST value); | |
97 | ||
a14ed312 KB |
98 | extern void generic_search (int len, char *data, char *mask, |
99 | CORE_ADDR startaddr, int increment, | |
100 | CORE_ADDR lorange, CORE_ADDR hirange, | |
101 | CORE_ADDR * addr_found, char *data_found); | |
c906108c SS |
102 | \f |
103 | /* Hook for `exec_file_command' command to call. */ | |
104 | ||
9a4105ab | 105 | extern void (*deprecated_exec_file_display_hook) (char *filename); |
c906108c SS |
106 | |
107 | /* Hook for "file_command", which is more useful than above | |
3a9a986f | 108 | (because it is invoked AFTER symbols are read, not before). */ |
c906108c | 109 | |
9a4105ab | 110 | extern void (*deprecated_file_changed_hook) (char *filename); |
c906108c | 111 | |
a14ed312 | 112 | extern void specify_exec_file_hook (void (*hook) (char *filename)); |
c906108c | 113 | |
3a9a986f | 114 | /* Binary File Diddlers for the exec and core files. */ |
c906108c SS |
115 | |
116 | extern bfd *core_bfd; | |
117 | extern bfd *exec_bfd; | |
118 | ||
119 | /* Whether to open exec and core files read-only or read-write. */ | |
120 | ||
121 | extern int write_files; | |
122 | ||
a14ed312 | 123 | extern void core_file_command (char *filename, int from_tty); |
c906108c | 124 | |
a14ed312 | 125 | extern void exec_file_attach (char *filename, int from_tty); |
c906108c | 126 | |
1adeb98a | 127 | extern void exec_file_clear (int from_tty); |
c906108c | 128 | |
a14ed312 | 129 | extern void validate_files (void); |
c906108c | 130 | |
a14ed312 | 131 | extern CORE_ADDR register_addr (int regno, CORE_ADDR blockend); |
c906108c | 132 | |
c906108c SS |
133 | #if !defined (KERNEL_U_ADDR) |
134 | extern CORE_ADDR kernel_u_addr; | |
135 | #define KERNEL_U_ADDR kernel_u_addr | |
136 | #endif | |
137 | ||
138 | /* The target vector for core files. */ | |
139 | ||
140 | extern struct target_ops core_ops; | |
141 | ||
142 | /* The current default bfd target. */ | |
143 | ||
144 | extern char *gnutarget; | |
145 | ||
a14ed312 | 146 | extern void set_gnutarget (char *); |
c906108c SS |
147 | |
148 | /* Structure to keep track of core register reading functions for | |
149 | various core file types. */ | |
150 | ||
c5aa993b JM |
151 | struct core_fns |
152 | { | |
c906108c | 153 | |
2acceee2 JM |
154 | /* BFD flavour that a core file handler is prepared to read. This |
155 | can be used by the handler's core tasting function as a first | |
156 | level filter to reject BFD's that don't have the right | |
157 | flavour. */ | |
c906108c | 158 | |
c5aa993b | 159 | enum bfd_flavour core_flavour; |
c906108c | 160 | |
2acceee2 JM |
161 | /* Core file handler function to call to recognize corefile |
162 | formats that BFD rejects. Some core file format just don't fit | |
163 | into the BFD model, or may require other resources to identify | |
164 | them, that simply aren't available to BFD (such as symbols from | |
165 | another file). Returns nonzero if the handler recognizes the | |
166 | format, zero otherwise. */ | |
167 | ||
507f3c78 | 168 | int (*check_format) (bfd *); |
2acceee2 JM |
169 | |
170 | /* Core file handler function to call to ask if it can handle a | |
171 | given core file format or not. Returns zero if it can't, | |
172 | nonzero otherwise. */ | |
173 | ||
507f3c78 | 174 | int (*core_sniffer) (struct core_fns *, bfd *); |
2acceee2 | 175 | |
c5aa993b JM |
176 | /* Extract the register values out of the core file and store them where |
177 | `read_register' will find them. | |
c906108c | 178 | |
c5aa993b JM |
179 | CORE_REG_SECT points to the register values themselves, read into |
180 | memory. | |
c906108c | 181 | |
c5aa993b | 182 | CORE_REG_SIZE is the size of that area. |
c906108c | 183 | |
de57eccd JM |
184 | WHICH says which set of registers we are handling: |
185 | 0 --- integer registers | |
186 | 2 --- floating-point registers, on machines where they are | |
187 | discontiguous | |
188 | 3 --- extended floating-point registers, on machines where | |
189 | these are present in yet a third area. (GNU/Linux uses | |
190 | this to get at the SSE registers.) | |
c906108c | 191 | |
c5aa993b JM |
192 | REG_ADDR is the offset from u.u_ar0 to the register values relative to |
193 | core_reg_sect. This is used with old-fashioned core files to locate the | |
194 | registers in a large upage-plus-stack ".reg" section. Original upage | |
195 | address X is at location core_reg_sect+x+reg_addr. */ | |
c906108c | 196 | |
507f3c78 KB |
197 | void (*core_read_registers) (char *core_reg_sect, |
198 | unsigned core_reg_size, | |
199 | int which, CORE_ADDR reg_addr); | |
c906108c | 200 | |
00e32a35 AC |
201 | /* Finds the next struct core_fns. They are allocated and |
202 | initialized in whatever module implements the functions pointed | |
203 | to; an initializer calls deprecated_add_core_fns to add them to | |
204 | the global chain. */ | |
c906108c | 205 | |
c5aa993b | 206 | struct core_fns *next; |
c906108c | 207 | |
c5aa993b | 208 | }; |
c906108c | 209 | |
00e32a35 AC |
210 | /* NOTE: cagney/2004-04-05: Replaced by "regset.h" and |
211 | regset_from_core_section(). */ | |
212 | extern void deprecated_add_core_fns (struct core_fns *cf); | |
a14ed312 KB |
213 | extern int default_core_sniffer (struct core_fns *cf, bfd * abfd); |
214 | extern int default_check_format (bfd * abfd); | |
c906108c | 215 | |
c5aa993b | 216 | #endif /* !defined (GDBCORE_H) */ |