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, 2008, 2009
5 Free Software Foundation, Inc.
7 This file is part of GDB.
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
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
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.
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>. */
22 /* Interface routines for core, executable, etc. */
24 #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 /* Report a memory error with error(). */
44 extern void memory_error (int status, CORE_ADDR memaddr);
46 /* Like target_read_memory, but report an error if can't read. */
48 extern void read_memory (CORE_ADDR memaddr, gdb_byte *myaddr, int len);
50 /* Read an integer from debugged memory, given address and number of
53 extern LONGEST read_memory_integer (CORE_ADDR memaddr,
54 int len, enum bfd_endian byte_order);
55 extern int safe_read_memory_integer (CORE_ADDR memaddr, int len,
56 enum bfd_endian byte_order, LONGEST *return_value);
58 /* Read an unsigned integer from debugged memory, given address and
61 extern ULONGEST read_memory_unsigned_integer (CORE_ADDR memaddr,
62 int len, enum bfd_endian byte_order);
64 /* Read a null-terminated string from the debuggee's memory, given address,
65 * a buffer into which to place the string, and the maximum available space */
67 extern void read_memory_string (CORE_ADDR, char *, int);
69 /* Read the pointer of type TYPE at ADDR, and return the address it
72 CORE_ADDR read_memory_typed_address (CORE_ADDR addr, struct type *type);
74 /* This takes a char *, not void *. This is probably right, because
75 passing in an int * or whatever is wrong with respect to
76 byteswapping, alignment, different sizes for host vs. target types,
79 extern void write_memory (CORE_ADDR memaddr, const gdb_byte *myaddr, int len);
81 /* Store VALUE at ADDR in the inferior as a LEN-byte unsigned integer. */
82 extern void write_memory_unsigned_integer (CORE_ADDR addr, int len,
83 enum bfd_endian byte_order,
86 /* Store VALUE at ADDR in the inferior as a LEN-byte unsigned integer. */
87 extern void write_memory_signed_integer (CORE_ADDR addr, int len,
88 enum bfd_endian byte_order,
91 /* Hook for `exec_file_command' command to call. */
93 extern void (*deprecated_exec_file_display_hook) (char *filename);
95 /* Hook for "file_command", which is more useful than above
96 (because it is invoked AFTER symbols are read, not before). */
98 extern void (*deprecated_file_changed_hook) (char *filename);
100 extern void specify_exec_file_hook (void (*hook) (char *filename));
102 /* Binary File Diddlers for the exec and core files. */
104 extern bfd *core_bfd;
105 extern bfd *exec_bfd;
107 /* The mtime when we last opened exec_bfd. */
108 extern long exec_bfd_mtime;
110 /* Whether to open exec and core files read-only or read-write. */
112 extern int write_files;
114 extern void core_file_command (char *filename, int from_tty);
116 extern void exec_file_attach (char *filename, int from_tty);
118 extern void exec_file_clear (int from_tty);
120 extern void validate_files (void);
122 /* The current default bfd target. */
124 extern char *gnutarget;
126 extern void set_gnutarget (char *);
128 /* Structure to keep track of core register reading functions for
129 various core file types. */
134 /* BFD flavour that a core file handler is prepared to read. This
135 can be used by the handler's core tasting function as a first
136 level filter to reject BFD's that don't have the right
139 enum bfd_flavour core_flavour;
141 /* Core file handler function to call to recognize corefile
142 formats that BFD rejects. Some core file format just don't fit
143 into the BFD model, or may require other resources to identify
144 them, that simply aren't available to BFD (such as symbols from
145 another file). Returns nonzero if the handler recognizes the
146 format, zero otherwise. */
148 int (*check_format) (bfd *);
150 /* Core file handler function to call to ask if it can handle a
151 given core file format or not. Returns zero if it can't,
152 nonzero otherwise. */
154 int (*core_sniffer) (struct core_fns *, bfd *);
156 /* Extract the register values out of the core file and supply them
159 CORE_REG_SECT points to the register values themselves, read into
162 CORE_REG_SIZE is the size of that area.
164 WHICH says which set of registers we are handling:
165 0 --- integer registers
166 2 --- floating-point registers, on machines where they are
168 3 --- extended floating-point registers, on machines where
169 these are present in yet a third area. (GNU/Linux uses
170 this to get at the SSE registers.)
172 REG_ADDR is the offset from u.u_ar0 to the register values relative to
173 core_reg_sect. This is used with old-fashioned core files to locate the
174 registers in a large upage-plus-stack ".reg" section. Original upage
175 address X is at location core_reg_sect+x+reg_addr. */
177 void (*core_read_registers) (struct regcache *regcache,
179 unsigned core_reg_size,
180 int which, CORE_ADDR reg_addr);
182 /* Finds the next struct core_fns. They are allocated and
183 initialized in whatever module implements the functions pointed
184 to; an initializer calls deprecated_add_core_fns to add them to
187 struct core_fns *next;
191 /* NOTE: cagney/2004-04-05: Replaced by "regset.h" and
192 regset_from_core_section(). */
193 extern void deprecated_add_core_fns (struct core_fns *cf);
194 extern int default_core_sniffer (struct core_fns *cf, bfd * abfd);
195 extern int default_check_format (bfd * abfd);
197 struct target_section *deprecated_core_resize_section_table (int num_added);
199 #endif /* !defined (GDBCORE_H) */