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c906108c SS |
1 | /* Machine independent variables that describe the core file under GDB. |
2 | Copyright 1986, 1987, 1989, 1990, 1992, 1995 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 | /* Interface routines for core, executable, etc. */ | |
22 | ||
23 | #if !defined (GDBCORE_H) | |
24 | #define GDBCORE_H 1 | |
25 | ||
26 | #include "bfd.h" | |
27 | ||
28 | /* Return the name of the executable file as a string. | |
29 | ERR nonzero means get error if there is none specified; | |
30 | otherwise return 0 in that case. */ | |
31 | ||
a14ed312 | 32 | extern char *get_exec_file (int err); |
c906108c SS |
33 | |
34 | /* Nonzero if there is a core file. */ | |
35 | ||
a14ed312 | 36 | extern int have_core_file_p (void); |
c906108c SS |
37 | |
38 | /* Read "memory data" from whatever target or inferior we have. | |
39 | Returns zero if successful, errno value if not. EIO is used for | |
40 | address out of bounds. If breakpoints are inserted, returns shadow | |
41 | contents, not the breakpoints themselves. From breakpoint.c. */ | |
42 | ||
a14ed312 | 43 | extern int read_memory_nobpt (CORE_ADDR memaddr, char *myaddr, unsigned len); |
c906108c SS |
44 | |
45 | /* Report a memory error with error(). */ | |
46 | ||
a14ed312 | 47 | extern void memory_error (int status, CORE_ADDR memaddr); |
c906108c SS |
48 | |
49 | /* Like target_read_memory, but report an error if can't read. */ | |
50 | ||
a14ed312 | 51 | extern void read_memory (CORE_ADDR memaddr, char *myaddr, int len); |
c906108c | 52 | |
c906108c SS |
53 | /* Read an integer from debugged memory, given address and number of |
54 | bytes. */ | |
55 | ||
a14ed312 | 56 | extern LONGEST read_memory_integer (CORE_ADDR memaddr, int len); |
c906108c SS |
57 | |
58 | /* Read an unsigned integer from debugged memory, given address and | |
59 | number of bytes. */ | |
60 | ||
a14ed312 | 61 | extern ULONGEST read_memory_unsigned_integer (CORE_ADDR memaddr, int len); |
c906108c SS |
62 | |
63 | /* Read a null-terminated string from the debuggee's memory, given address, | |
c5aa993b | 64 | * a buffer into which to place the string, and the maximum available space */ |
a14ed312 | 65 | extern void read_memory_string (CORE_ADDR, char *, int); |
c906108c SS |
66 | |
67 | /* This takes a char *, not void *. This is probably right, because | |
68 | passing in an int * or whatever is wrong with respect to | |
69 | byteswapping, alignment, different sizes for host vs. target types, | |
70 | etc. */ | |
71 | ||
a14ed312 | 72 | extern void write_memory (CORE_ADDR memaddr, char *myaddr, int len); |
c906108c | 73 | |
a14ed312 KB |
74 | extern void generic_search (int len, char *data, char *mask, |
75 | CORE_ADDR startaddr, int increment, | |
76 | CORE_ADDR lorange, CORE_ADDR hirange, | |
77 | CORE_ADDR * addr_found, char *data_found); | |
c906108c SS |
78 | \f |
79 | /* Hook for `exec_file_command' command to call. */ | |
80 | ||
507f3c78 | 81 | extern void (*exec_file_display_hook) (char *filename); |
c906108c SS |
82 | |
83 | /* Hook for "file_command", which is more useful than above | |
84 | (because it is invoked AFTER symbols are read, not before) */ | |
85 | ||
507f3c78 | 86 | extern void (*file_changed_hook) (char *filename); |
c906108c | 87 | |
a14ed312 | 88 | extern void specify_exec_file_hook (void (*hook) (char *filename)); |
c906108c SS |
89 | |
90 | /* Binary File Diddlers for the exec and core files */ | |
91 | ||
92 | extern bfd *core_bfd; | |
93 | extern bfd *exec_bfd; | |
94 | ||
95 | /* Whether to open exec and core files read-only or read-write. */ | |
96 | ||
97 | extern int write_files; | |
98 | ||
a14ed312 | 99 | extern void core_file_command (char *filename, int from_tty); |
c906108c | 100 | |
a14ed312 | 101 | extern void exec_file_attach (char *filename, int from_tty); |
c906108c | 102 | |
a14ed312 | 103 | extern void exec_file_command (char *filename, int from_tty); |
c906108c | 104 | |
a14ed312 | 105 | extern void validate_files (void); |
c906108c | 106 | |
a14ed312 | 107 | extern CORE_ADDR register_addr (int regno, CORE_ADDR blockend); |
c906108c | 108 | |
a14ed312 | 109 | extern void registers_fetched (void); |
c906108c SS |
110 | |
111 | #if !defined (KERNEL_U_ADDR) | |
112 | extern CORE_ADDR kernel_u_addr; | |
113 | #define KERNEL_U_ADDR kernel_u_addr | |
114 | #endif | |
115 | ||
116 | /* The target vector for core files. */ | |
117 | ||
118 | extern struct target_ops core_ops; | |
119 | ||
120 | /* The current default bfd target. */ | |
121 | ||
122 | extern char *gnutarget; | |
123 | ||
a14ed312 | 124 | extern void set_gnutarget (char *); |
c906108c SS |
125 | |
126 | /* Structure to keep track of core register reading functions for | |
127 | various core file types. */ | |
128 | ||
c5aa993b JM |
129 | struct core_fns |
130 | { | |
c906108c | 131 | |
2acceee2 JM |
132 | /* BFD flavour that a core file handler is prepared to read. This |
133 | can be used by the handler's core tasting function as a first | |
134 | level filter to reject BFD's that don't have the right | |
135 | flavour. */ | |
c906108c | 136 | |
c5aa993b | 137 | enum bfd_flavour core_flavour; |
c906108c | 138 | |
2acceee2 JM |
139 | /* Core file handler function to call to recognize corefile |
140 | formats that BFD rejects. Some core file format just don't fit | |
141 | into the BFD model, or may require other resources to identify | |
142 | them, that simply aren't available to BFD (such as symbols from | |
143 | another file). Returns nonzero if the handler recognizes the | |
144 | format, zero otherwise. */ | |
145 | ||
507f3c78 | 146 | int (*check_format) (bfd *); |
2acceee2 JM |
147 | |
148 | /* Core file handler function to call to ask if it can handle a | |
149 | given core file format or not. Returns zero if it can't, | |
150 | nonzero otherwise. */ | |
151 | ||
507f3c78 | 152 | int (*core_sniffer) (struct core_fns *, bfd *); |
2acceee2 | 153 | |
c5aa993b JM |
154 | /* Extract the register values out of the core file and store them where |
155 | `read_register' will find them. | |
c906108c | 156 | |
c5aa993b JM |
157 | CORE_REG_SECT points to the register values themselves, read into |
158 | memory. | |
c906108c | 159 | |
c5aa993b | 160 | CORE_REG_SIZE is the size of that area. |
c906108c | 161 | |
de57eccd JM |
162 | WHICH says which set of registers we are handling: |
163 | 0 --- integer registers | |
164 | 2 --- floating-point registers, on machines where they are | |
165 | discontiguous | |
166 | 3 --- extended floating-point registers, on machines where | |
167 | these are present in yet a third area. (GNU/Linux uses | |
168 | this to get at the SSE registers.) | |
c906108c | 169 | |
c5aa993b JM |
170 | REG_ADDR is the offset from u.u_ar0 to the register values relative to |
171 | core_reg_sect. This is used with old-fashioned core files to locate the | |
172 | registers in a large upage-plus-stack ".reg" section. Original upage | |
173 | address X is at location core_reg_sect+x+reg_addr. */ | |
c906108c | 174 | |
507f3c78 KB |
175 | void (*core_read_registers) (char *core_reg_sect, |
176 | unsigned core_reg_size, | |
177 | int which, CORE_ADDR reg_addr); | |
c906108c | 178 | |
c5aa993b JM |
179 | /* Finds the next struct core_fns. They are allocated and initialized |
180 | in whatever module implements the functions pointed to; an | |
181 | initializer calls add_core_fns to add them to the global chain. */ | |
c906108c | 182 | |
c5aa993b | 183 | struct core_fns *next; |
c906108c | 184 | |
c5aa993b | 185 | }; |
c906108c | 186 | |
a14ed312 KB |
187 | extern void add_core_fns (struct core_fns *cf); |
188 | extern int default_core_sniffer (struct core_fns *cf, bfd * abfd); | |
189 | extern int default_check_format (bfd * abfd); | |
c906108c | 190 | |
c5aa993b | 191 | #endif /* !defined (GDBCORE_H) */ |