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)
33 /* Return the name of the executable file as a string.
34 ERR nonzero means get error if there is none specified;
35 otherwise return 0 in that case. */
37 extern char *get_exec_file (int err);
39 /* Nonzero if there is a core file. */
41 extern int have_core_file_p (void);
43 /* Read "memory data" from whatever target or inferior we have.
44 Returns zero if successful, errno value if not. EIO is used for
45 address out of bounds. If breakpoints are inserted, returns shadow
46 contents, not the breakpoints themselves. From breakpoint.c. */
48 /* NOTE: cagney/2004-06-10: Code reading from a live inferior can use
49 the get_frame_memory methods, code reading from an exec can use the
52 extern int read_memory_nobpt (CORE_ADDR memaddr, gdb_byte *myaddr,
55 /* Report a memory error with error(). */
57 extern void memory_error (int status, CORE_ADDR memaddr);
59 /* Like target_read_memory, but report an error if can't read. */
61 extern void read_memory (CORE_ADDR memaddr, gdb_byte *myaddr, int len);
63 /* Read an integer from debugged memory, given address and number of
66 extern LONGEST read_memory_integer (CORE_ADDR memaddr, int len);
67 extern int safe_read_memory_integer (CORE_ADDR memaddr, int len, LONGEST *return_value);
69 /* Read an unsigned integer from debugged memory, given address and
72 extern ULONGEST read_memory_unsigned_integer (CORE_ADDR memaddr, int len);
74 /* Read a null-terminated string from the debuggee's memory, given address,
75 * a buffer into which to place the string, and the maximum available space */
77 extern void read_memory_string (CORE_ADDR, char *, int);
79 /* Read the pointer of type TYPE at ADDR, and return the address it
82 CORE_ADDR read_memory_typed_address (CORE_ADDR addr, struct type *type);
84 /* This takes a char *, not void *. This is probably right, because
85 passing in an int * or whatever is wrong with respect to
86 byteswapping, alignment, different sizes for host vs. target types,
89 extern void write_memory (CORE_ADDR memaddr, const gdb_byte *myaddr, int len);
91 /* Store VALUE at ADDR in the inferior as a LEN-byte unsigned integer. */
92 extern void write_memory_unsigned_integer (CORE_ADDR addr, int len,
95 /* Store VALUE at ADDR in the inferior as a LEN-byte unsigned integer. */
96 extern void write_memory_signed_integer (CORE_ADDR addr, int len,
99 extern void generic_search (int len, char *data, char *mask,
100 CORE_ADDR startaddr, int increment,
101 CORE_ADDR lorange, CORE_ADDR hirange,
102 CORE_ADDR * addr_found, char *data_found);
104 /* Hook for `exec_file_command' command to call. */
106 extern void (*deprecated_exec_file_display_hook) (char *filename);
108 /* Hook for "file_command", which is more useful than above
109 (because it is invoked AFTER symbols are read, not before). */
111 extern void (*deprecated_file_changed_hook) (char *filename);
113 extern void specify_exec_file_hook (void (*hook) (char *filename));
115 /* Binary File Diddlers for the exec and core files. */
117 extern bfd *core_bfd;
118 extern bfd *exec_bfd;
120 /* Whether to open exec and core files read-only or read-write. */
122 extern int write_files;
124 extern void core_file_command (char *filename, int from_tty);
126 extern void exec_file_attach (char *filename, int from_tty);
128 extern void exec_file_clear (int from_tty);
130 extern void validate_files (void);
132 /* The target vector for core files. */
134 extern struct target_ops core_ops;
136 /* The current default bfd target. */
138 extern char *gnutarget;
140 extern void set_gnutarget (char *);
142 /* Structure to keep track of core register reading functions for
143 various core file types. */
148 /* BFD flavour that a core file handler is prepared to read. This
149 can be used by the handler's core tasting function as a first
150 level filter to reject BFD's that don't have the right
153 enum bfd_flavour core_flavour;
155 /* Core file handler function to call to recognize corefile
156 formats that BFD rejects. Some core file format just don't fit
157 into the BFD model, or may require other resources to identify
158 them, that simply aren't available to BFD (such as symbols from
159 another file). Returns nonzero if the handler recognizes the
160 format, zero otherwise. */
162 int (*check_format) (bfd *);
164 /* Core file handler function to call to ask if it can handle a
165 given core file format or not. Returns zero if it can't,
166 nonzero otherwise. */
168 int (*core_sniffer) (struct core_fns *, bfd *);
170 /* Extract the register values out of the core file and supply them
173 CORE_REG_SECT points to the register values themselves, read into
176 CORE_REG_SIZE is the size of that area.
178 WHICH says which set of registers we are handling:
179 0 --- integer registers
180 2 --- floating-point registers, on machines where they are
182 3 --- extended floating-point registers, on machines where
183 these are present in yet a third area. (GNU/Linux uses
184 this to get at the SSE registers.)
186 REG_ADDR is the offset from u.u_ar0 to the register values relative to
187 core_reg_sect. This is used with old-fashioned core files to locate the
188 registers in a large upage-plus-stack ".reg" section. Original upage
189 address X is at location core_reg_sect+x+reg_addr. */
191 void (*core_read_registers) (struct regcache *regcache,
193 unsigned core_reg_size,
194 int which, CORE_ADDR reg_addr);
196 /* Finds the next struct core_fns. They are allocated and
197 initialized in whatever module implements the functions pointed
198 to; an initializer calls deprecated_add_core_fns to add them to
201 struct core_fns *next;
205 /* NOTE: cagney/2004-04-05: Replaced by "regset.h" and
206 regset_from_core_section(). */
207 extern void deprecated_add_core_fns (struct core_fns *cf);
208 extern int default_core_sniffer (struct core_fns *cf, bfd * abfd);
209 extern int default_check_format (bfd * abfd);
211 #endif /* !defined (GDBCORE_H) */