1 /* Machine independent variables that describe the core file under GDB.
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.
6 This file is part of GDB.
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.
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.
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
20 Foundation, Inc., 51 Franklin Street, Fifth Floor,
21 Boston, MA 02110-1301, USA. */
23 /* Interface routines for core, executable, etc. */
25 #if !defined (GDBCORE_H)
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. */
36 extern char *get_exec_file (int err);
38 /* Nonzero if there is a core file. */
40 extern int have_core_file_p (void);
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. */
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
51 extern int read_memory_nobpt (CORE_ADDR memaddr, gdb_byte *myaddr,
54 /* Report a memory error with error(). */
56 extern void memory_error (int status, CORE_ADDR memaddr);
58 /* Like target_read_memory, but report an error if can't read. */
60 extern void read_memory (CORE_ADDR memaddr, gdb_byte *myaddr, int len);
62 /* Read an integer from debugged memory, given address and number of
65 extern LONGEST read_memory_integer (CORE_ADDR memaddr, int len);
66 extern int safe_read_memory_integer (CORE_ADDR memaddr, int len, LONGEST *return_value);
68 /* Read an unsigned integer from debugged memory, given address and
71 extern ULONGEST read_memory_unsigned_integer (CORE_ADDR memaddr, int len);
73 /* Read a null-terminated string from the debuggee's memory, given address,
74 * a buffer into which to place the string, and the maximum available space */
76 extern void read_memory_string (CORE_ADDR, char *, int);
78 /* Read the pointer of type TYPE at ADDR, and return the address it
81 CORE_ADDR read_memory_typed_address (CORE_ADDR addr, struct type *type);
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,
88 extern void write_memory (CORE_ADDR memaddr, const gdb_byte *myaddr, int len);
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,
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,
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);
103 /* Hook for `exec_file_command' command to call. */
105 extern void (*deprecated_exec_file_display_hook) (char *filename);
107 /* Hook for "file_command", which is more useful than above
108 (because it is invoked AFTER symbols are read, not before). */
110 extern void (*deprecated_file_changed_hook) (char *filename);
112 extern void specify_exec_file_hook (void (*hook) (char *filename));
114 /* Binary File Diddlers for the exec and core files. */
116 extern bfd *core_bfd;
117 extern bfd *exec_bfd;
119 /* Whether to open exec and core files read-only or read-write. */
121 extern int write_files;
123 extern void core_file_command (char *filename, int from_tty);
125 extern void exec_file_attach (char *filename, int from_tty);
127 extern void exec_file_clear (int from_tty);
129 extern void validate_files (void);
131 extern CORE_ADDR register_addr (int regno, CORE_ADDR blockend);
133 #if !defined (KERNEL_U_ADDR)
134 extern CORE_ADDR kernel_u_addr;
135 #define KERNEL_U_ADDR kernel_u_addr
138 /* The target vector for core files. */
140 extern struct target_ops core_ops;
142 /* The current default bfd target. */
144 extern char *gnutarget;
146 extern void set_gnutarget (char *);
148 /* Structure to keep track of core register reading functions for
149 various core file types. */
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
159 enum bfd_flavour core_flavour;
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. */
168 int (*check_format) (bfd *);
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. */
174 int (*core_sniffer) (struct core_fns *, bfd *);
176 /* Extract the register values out of the core file and store them where
177 `read_register' will find them.
179 CORE_REG_SECT points to the register values themselves, read into
182 CORE_REG_SIZE is the size of that area.
184 WHICH says which set of registers we are handling:
185 0 --- integer registers
186 2 --- floating-point registers, on machines where they are
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.)
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. */
197 void (*core_read_registers) (char *core_reg_sect,
198 unsigned core_reg_size,
199 int which, CORE_ADDR reg_addr);
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
206 struct core_fns *next;
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);
213 extern int default_core_sniffer (struct core_fns *cf, bfd * abfd);
214 extern int default_check_format (bfd * abfd);
216 #endif /* !defined (GDBCORE_H) */