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, 2010, 2011
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)
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 /* Report a memory error with error(). */
45 extern void memory_error (int status, CORE_ADDR memaddr);
47 /* Like target_read_memory, but report an error if can't read. */
49 extern void read_memory (CORE_ADDR memaddr, gdb_byte *myaddr, int len);
51 /* Like target_read_stack, but report an error if can't read. */
53 extern void read_stack (CORE_ADDR memaddr, gdb_byte *myaddr, int len);
55 /* Read an integer from debugged memory, given address and number of
58 extern LONGEST read_memory_integer (CORE_ADDR memaddr,
59 int len, enum bfd_endian byte_order);
60 extern int safe_read_memory_integer (CORE_ADDR memaddr, int len,
61 enum bfd_endian byte_order,
62 LONGEST *return_value);
64 /* Read an unsigned integer from debugged memory, given address and
67 extern ULONGEST read_memory_unsigned_integer (CORE_ADDR memaddr,
69 enum bfd_endian byte_order);
71 /* Read a null-terminated string from the debuggee's memory, given
72 address, a buffer into which to place the string, and the maximum
75 extern void read_memory_string (CORE_ADDR, char *, int);
77 /* Read the pointer of type TYPE at ADDR, and return the address it
80 CORE_ADDR read_memory_typed_address (CORE_ADDR addr, struct type *type);
82 /* This takes a char *, not void *. This is probably right, because
83 passing in an int * or whatever is wrong with respect to
84 byteswapping, alignment, different sizes for host vs. target types,
87 extern void write_memory (CORE_ADDR memaddr, const gdb_byte *myaddr, int len);
89 /* Store VALUE at ADDR in the inferior as a LEN-byte unsigned integer. */
90 extern void write_memory_unsigned_integer (CORE_ADDR addr, int len,
91 enum bfd_endian byte_order,
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,
96 enum bfd_endian byte_order,
99 /* Hook for `exec_file_command' command to call. */
101 extern void (*deprecated_exec_file_display_hook) (char *filename);
103 /* Hook for "file_command", which is more useful than above
104 (because it is invoked AFTER symbols are read, not before). */
106 extern void (*deprecated_file_changed_hook) (char *filename);
108 extern void specify_exec_file_hook (void (*hook) (char *filename));
110 /* Binary File Diddler for the core file. */
112 extern bfd *core_bfd;
114 extern struct target_ops *core_target;
116 /* Whether to open exec and core files read-only or read-write. */
118 extern int write_files;
120 extern void core_file_command (char *filename, int from_tty);
122 extern void exec_file_attach (char *filename, int from_tty);
124 extern void exec_file_clear (int from_tty);
126 extern void validate_files (void);
128 /* The current default bfd target. */
130 extern char *gnutarget;
132 extern void set_gnutarget (char *);
134 /* Structure to keep track of core register reading functions for
135 various core file types. */
140 /* BFD flavour that a core file handler is prepared to read. This
141 can be used by the handler's core tasting function as a first
142 level filter to reject BFD's that don't have the right
145 enum bfd_flavour core_flavour;
147 /* Core file handler function to call to recognize corefile
148 formats that BFD rejects. Some core file format just don't fit
149 into the BFD model, or may require other resources to identify
150 them, that simply aren't available to BFD (such as symbols from
151 another file). Returns nonzero if the handler recognizes the
152 format, zero otherwise. */
154 int (*check_format) (bfd *);
156 /* Core file handler function to call to ask if it can handle a
157 given core file format or not. Returns zero if it can't,
158 nonzero otherwise. */
160 int (*core_sniffer) (struct core_fns *, bfd *);
162 /* Extract the register values out of the core file and supply them
165 CORE_REG_SECT points to the register values themselves, read into
168 CORE_REG_SIZE is the size of that area.
170 WHICH says which set of registers we are handling:
171 0 --- integer registers
172 2 --- floating-point registers, on machines where they are
174 3 --- extended floating-point registers, on machines where
175 these are present in yet a third area. (GNU/Linux uses
176 this to get at the SSE registers.)
178 REG_ADDR is the offset from u.u_ar0 to the register values relative to
179 core_reg_sect. This is used with old-fashioned core files to locate the
180 registers in a large upage-plus-stack ".reg" section. Original upage
181 address X is at location core_reg_sect+x+reg_addr. */
183 void (*core_read_registers) (struct regcache *regcache,
185 unsigned core_reg_size,
186 int which, CORE_ADDR reg_addr);
188 /* Finds the next struct core_fns. They are allocated and
189 initialized in whatever module implements the functions pointed
190 to; an initializer calls deprecated_add_core_fns to add them to
193 struct core_fns *next;
197 /* NOTE: cagney/2004-04-05: Replaced by "regset.h" and
198 regset_from_core_section(). */
199 extern void deprecated_add_core_fns (struct core_fns *cf);
200 extern int default_core_sniffer (struct core_fns *cf, bfd * abfd);
201 extern int default_check_format (bfd * abfd);
203 struct target_section *deprecated_core_resize_section_table (int num_added);
205 #endif /* !defined (GDBCORE_H) */