Commit | Line | Data |
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c906108c | 1 | /* Machine independent variables that describe the core file under GDB. |
00e32a35 | 2 | |
6aba47ca | 3 | Copyright (C) 1986, 1987, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, |
0fb0cc75 | 4 | 1997, 1998, 1999, 2000, 2001, 2004, 2007, 2008, 2009 |
9b254dd1 | 5 | Free Software Foundation, Inc. |
c906108c | 6 | |
c5aa993b | 7 | This file is part of GDB. |
c906108c | 8 | |
c5aa993b JM |
9 | This program is free software; you can redistribute it and/or modify |
10 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 11 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 12 | (at your option) any later version. |
c906108c | 13 | |
c5aa993b JM |
14 | This program is distributed in the hope that it will be useful, |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
c906108c | 18 | |
c5aa993b | 19 | You should have received a copy of the GNU General Public License |
a9762ec7 | 20 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
21 | |
22 | /* Interface routines for core, executable, etc. */ | |
23 | ||
24 | #if !defined (GDBCORE_H) | |
25 | #define GDBCORE_H 1 | |
26 | ||
da3331ec | 27 | struct type; |
9eefc95f | 28 | struct regcache; |
da3331ec | 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 | 41 | |
c906108c SS |
42 | /* Report a memory error with error(). */ |
43 | ||
a14ed312 | 44 | extern void memory_error (int status, CORE_ADDR memaddr); |
c906108c SS |
45 | |
46 | /* Like target_read_memory, but report an error if can't read. */ | |
47 | ||
10c42a71 | 48 | extern void read_memory (CORE_ADDR memaddr, gdb_byte *myaddr, int len); |
c906108c | 49 | |
c906108c SS |
50 | /* Read an integer from debugged memory, given address and number of |
51 | bytes. */ | |
52 | ||
a14ed312 | 53 | extern LONGEST read_memory_integer (CORE_ADDR memaddr, int len); |
16a0f3e7 | 54 | extern int safe_read_memory_integer (CORE_ADDR memaddr, int len, LONGEST *return_value); |
c906108c SS |
55 | |
56 | /* Read an unsigned integer from debugged memory, given address and | |
57 | number of bytes. */ | |
58 | ||
a14ed312 | 59 | extern ULONGEST read_memory_unsigned_integer (CORE_ADDR memaddr, int len); |
c906108c SS |
60 | |
61 | /* Read a null-terminated string from the debuggee's memory, given address, | |
c5aa993b | 62 | * a buffer into which to place the string, and the maximum available space */ |
0d540cdf | 63 | |
a14ed312 | 64 | extern void read_memory_string (CORE_ADDR, char *, int); |
c906108c | 65 | |
0d540cdf KD |
66 | /* Read the pointer of type TYPE at ADDR, and return the address it |
67 | represents. */ | |
68 | ||
570b8f7c | 69 | CORE_ADDR read_memory_typed_address (CORE_ADDR addr, struct type *type); |
0d540cdf | 70 | |
c906108c SS |
71 | /* This takes a char *, not void *. This is probably right, because |
72 | passing in an int * or whatever is wrong with respect to | |
73 | byteswapping, alignment, different sizes for host vs. target types, | |
74 | etc. */ | |
75 | ||
fc1a4b47 | 76 | extern void write_memory (CORE_ADDR memaddr, const gdb_byte *myaddr, int len); |
c906108c | 77 | |
c26e4683 JB |
78 | /* Store VALUE at ADDR in the inferior as a LEN-byte unsigned integer. */ |
79 | extern void write_memory_unsigned_integer (CORE_ADDR addr, int len, | |
80 | ULONGEST value); | |
81 | ||
82 | /* Store VALUE at ADDR in the inferior as a LEN-byte unsigned integer. */ | |
83 | extern void write_memory_signed_integer (CORE_ADDR addr, int len, | |
84 | LONGEST value); | |
c906108c SS |
85 | \f |
86 | /* Hook for `exec_file_command' command to call. */ | |
87 | ||
9a4105ab | 88 | extern void (*deprecated_exec_file_display_hook) (char *filename); |
c906108c SS |
89 | |
90 | /* Hook for "file_command", which is more useful than above | |
3a9a986f | 91 | (because it is invoked AFTER symbols are read, not before). */ |
c906108c | 92 | |
9a4105ab | 93 | extern void (*deprecated_file_changed_hook) (char *filename); |
c906108c | 94 | |
a14ed312 | 95 | extern void specify_exec_file_hook (void (*hook) (char *filename)); |
c906108c | 96 | |
3a9a986f | 97 | /* Binary File Diddlers for the exec and core files. */ |
c906108c SS |
98 | |
99 | extern bfd *core_bfd; | |
100 | extern bfd *exec_bfd; | |
101 | ||
c04ea773 DJ |
102 | /* The mtime when we last opened exec_bfd. */ |
103 | extern long exec_bfd_mtime; | |
104 | ||
c906108c SS |
105 | /* Whether to open exec and core files read-only or read-write. */ |
106 | ||
107 | extern int write_files; | |
108 | ||
a14ed312 | 109 | extern void core_file_command (char *filename, int from_tty); |
c906108c | 110 | |
a14ed312 | 111 | extern void exec_file_attach (char *filename, int from_tty); |
c906108c | 112 | |
1adeb98a | 113 | extern void exec_file_clear (int from_tty); |
c906108c | 114 | |
a14ed312 | 115 | extern void validate_files (void); |
c906108c | 116 | |
c906108c SS |
117 | /* The target vector for core files. */ |
118 | ||
119 | extern struct target_ops core_ops; | |
120 | ||
121 | /* The current default bfd target. */ | |
122 | ||
123 | extern char *gnutarget; | |
124 | ||
a14ed312 | 125 | extern void set_gnutarget (char *); |
c906108c SS |
126 | |
127 | /* Structure to keep track of core register reading functions for | |
128 | various core file types. */ | |
129 | ||
c5aa993b JM |
130 | struct core_fns |
131 | { | |
c906108c | 132 | |
2acceee2 JM |
133 | /* BFD flavour that a core file handler is prepared to read. This |
134 | can be used by the handler's core tasting function as a first | |
135 | level filter to reject BFD's that don't have the right | |
136 | flavour. */ | |
c906108c | 137 | |
c5aa993b | 138 | enum bfd_flavour core_flavour; |
c906108c | 139 | |
2acceee2 JM |
140 | /* Core file handler function to call to recognize corefile |
141 | formats that BFD rejects. Some core file format just don't fit | |
142 | into the BFD model, or may require other resources to identify | |
143 | them, that simply aren't available to BFD (such as symbols from | |
144 | another file). Returns nonzero if the handler recognizes the | |
145 | format, zero otherwise. */ | |
146 | ||
507f3c78 | 147 | int (*check_format) (bfd *); |
2acceee2 JM |
148 | |
149 | /* Core file handler function to call to ask if it can handle a | |
150 | given core file format or not. Returns zero if it can't, | |
151 | nonzero otherwise. */ | |
152 | ||
507f3c78 | 153 | int (*core_sniffer) (struct core_fns *, bfd *); |
2acceee2 | 154 | |
9eefc95f UW |
155 | /* Extract the register values out of the core file and supply them |
156 | into REGCACHE. | |
c906108c | 157 | |
c5aa993b JM |
158 | CORE_REG_SECT points to the register values themselves, read into |
159 | memory. | |
c906108c | 160 | |
c5aa993b | 161 | CORE_REG_SIZE is the size of that area. |
c906108c | 162 | |
de57eccd JM |
163 | WHICH says which set of registers we are handling: |
164 | 0 --- integer registers | |
165 | 2 --- floating-point registers, on machines where they are | |
166 | discontiguous | |
167 | 3 --- extended floating-point registers, on machines where | |
168 | these are present in yet a third area. (GNU/Linux uses | |
169 | this to get at the SSE registers.) | |
c906108c | 170 | |
c5aa993b JM |
171 | REG_ADDR is the offset from u.u_ar0 to the register values relative to |
172 | core_reg_sect. This is used with old-fashioned core files to locate the | |
173 | registers in a large upage-plus-stack ".reg" section. Original upage | |
174 | address X is at location core_reg_sect+x+reg_addr. */ | |
c906108c | 175 | |
9eefc95f UW |
176 | void (*core_read_registers) (struct regcache *regcache, |
177 | char *core_reg_sect, | |
507f3c78 KB |
178 | unsigned core_reg_size, |
179 | int which, CORE_ADDR reg_addr); | |
c906108c | 180 | |
00e32a35 AC |
181 | /* Finds the next struct core_fns. They are allocated and |
182 | initialized in whatever module implements the functions pointed | |
183 | to; an initializer calls deprecated_add_core_fns to add them to | |
184 | the global chain. */ | |
c906108c | 185 | |
c5aa993b | 186 | struct core_fns *next; |
c906108c | 187 | |
c5aa993b | 188 | }; |
c906108c | 189 | |
00e32a35 AC |
190 | /* NOTE: cagney/2004-04-05: Replaced by "regset.h" and |
191 | regset_from_core_section(). */ | |
192 | extern void deprecated_add_core_fns (struct core_fns *cf); | |
a14ed312 KB |
193 | extern int default_core_sniffer (struct core_fns *cf, bfd * abfd); |
194 | extern int default_check_format (bfd * abfd); | |
c906108c | 195 | |
c5aa993b | 196 | #endif /* !defined (GDBCORE_H) */ |