mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-09 04:21:49 +08:00
196 lines
6.8 KiB
C
196 lines
6.8 KiB
C
/* Machine independent variables that describe the core file under GDB.
|
||
Copyright 1986, 1987, 1989, 1990, 1992, 1995 Free Software Foundation, Inc.
|
||
|
||
This file is part of GDB.
|
||
|
||
This program is free software; you can redistribute it and/or modify
|
||
it under the terms of the GNU General Public License as published by
|
||
the Free Software Foundation; either version 2 of the License, or
|
||
(at your option) any later version.
|
||
|
||
This program is distributed in the hope that it will be useful,
|
||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
GNU General Public License for more details.
|
||
|
||
You should have received a copy of the GNU General Public License
|
||
along with this program; if not, write to the Free Software
|
||
Foundation, Inc., 59 Temple Place - Suite 330,
|
||
Boston, MA 02111-1307, USA. */
|
||
|
||
/* Interface routines for core, executable, etc. */
|
||
|
||
#if !defined (GDBCORE_H)
|
||
#define GDBCORE_H 1
|
||
|
||
#include "bfd.h"
|
||
|
||
/* Return the name of the executable file as a string.
|
||
ERR nonzero means get error if there is none specified;
|
||
otherwise return 0 in that case. */
|
||
|
||
extern char *get_exec_file PARAMS ((int err));
|
||
|
||
/* Nonzero if there is a core file. */
|
||
|
||
extern int have_core_file_p PARAMS ((void));
|
||
|
||
/* Read "memory data" from whatever target or inferior we have.
|
||
Returns zero if successful, errno value if not. EIO is used for
|
||
address out of bounds. If breakpoints are inserted, returns shadow
|
||
contents, not the breakpoints themselves. From breakpoint.c. */
|
||
|
||
extern int read_memory_nobpt PARAMS ((CORE_ADDR memaddr, char *myaddr,
|
||
unsigned len));
|
||
|
||
/* Report a memory error with error(). */
|
||
|
||
extern void memory_error PARAMS ((int status, CORE_ADDR memaddr));
|
||
|
||
/* Like target_read_memory, but report an error if can't read. */
|
||
|
||
extern void read_memory PARAMS ((CORE_ADDR memaddr, char *myaddr, int len));
|
||
|
||
extern void read_memory_section PARAMS ((CORE_ADDR memaddr, char *myaddr,
|
||
int len, asection * bfd_section));
|
||
|
||
/* Read an integer from debugged memory, given address and number of
|
||
bytes. */
|
||
|
||
extern LONGEST read_memory_integer PARAMS ((CORE_ADDR memaddr, int len));
|
||
|
||
/* Read an unsigned integer from debugged memory, given address and
|
||
number of bytes. */
|
||
|
||
extern ULONGEST read_memory_unsigned_integer PARAMS ((CORE_ADDR memaddr, int len));
|
||
|
||
/* Read a null-terminated string from the debuggee's memory, given address,
|
||
* a buffer into which to place the string, and the maximum available space */
|
||
extern void read_memory_string PARAMS ((CORE_ADDR, char *, int));
|
||
|
||
/* This takes a char *, not void *. This is probably right, because
|
||
passing in an int * or whatever is wrong with respect to
|
||
byteswapping, alignment, different sizes for host vs. target types,
|
||
etc. */
|
||
|
||
extern void write_memory PARAMS ((CORE_ADDR memaddr, char *myaddr, int len));
|
||
|
||
extern void generic_search PARAMS ((int len, char *data, char *mask,
|
||
CORE_ADDR startaddr, int increment,
|
||
CORE_ADDR lorange, CORE_ADDR hirange,
|
||
CORE_ADDR * addr_found, char *data_found));
|
||
|
||
/* Hook for `exec_file_command' command to call. */
|
||
|
||
extern void (*exec_file_display_hook) PARAMS ((char *filename));
|
||
|
||
/* Hook for "file_command", which is more useful than above
|
||
(because it is invoked AFTER symbols are read, not before) */
|
||
|
||
extern void (*file_changed_hook) PARAMS ((char *filename));
|
||
|
||
extern void specify_exec_file_hook PARAMS ((void (*hook) (char *filename)));
|
||
|
||
/* Binary File Diddlers for the exec and core files */
|
||
|
||
extern bfd *core_bfd;
|
||
extern bfd *exec_bfd;
|
||
|
||
/* Whether to open exec and core files read-only or read-write. */
|
||
|
||
extern int write_files;
|
||
|
||
extern void core_file_command PARAMS ((char *filename, int from_tty));
|
||
|
||
extern void exec_file_attach PARAMS ((char *filename, int from_tty));
|
||
|
||
extern void exec_file_command PARAMS ((char *filename, int from_tty));
|
||
|
||
extern void validate_files PARAMS ((void));
|
||
|
||
extern CORE_ADDR register_addr PARAMS ((int regno, CORE_ADDR blockend));
|
||
|
||
extern void registers_fetched PARAMS ((void));
|
||
|
||
#if !defined (KERNEL_U_ADDR)
|
||
extern CORE_ADDR kernel_u_addr;
|
||
#define KERNEL_U_ADDR kernel_u_addr
|
||
#endif
|
||
|
||
/* The target vector for core files. */
|
||
|
||
extern struct target_ops core_ops;
|
||
|
||
/* The current default bfd target. */
|
||
|
||
extern char *gnutarget;
|
||
|
||
extern void set_gnutarget PARAMS ((char *));
|
||
|
||
/* Structure to keep track of core register reading functions for
|
||
various core file types. */
|
||
|
||
struct core_fns
|
||
{
|
||
|
||
/* BFD flavour that a core file handler is prepared to read. This
|
||
can be used by the handler's core tasting function as a first
|
||
level filter to reject BFD's that don't have the right
|
||
flavour. */
|
||
|
||
enum bfd_flavour core_flavour;
|
||
|
||
/* Core file handler function to call to recognize corefile
|
||
formats that BFD rejects. Some core file format just don't fit
|
||
into the BFD model, or may require other resources to identify
|
||
them, that simply aren't available to BFD (such as symbols from
|
||
another file). Returns nonzero if the handler recognizes the
|
||
format, zero otherwise. */
|
||
|
||
int (*check_format) PARAMS ((bfd *));
|
||
|
||
/* Core file handler function to call to ask if it can handle a
|
||
given core file format or not. Returns zero if it can't,
|
||
nonzero otherwise. */
|
||
|
||
int (*core_sniffer) PARAMS ((struct core_fns *, bfd *));
|
||
|
||
/* Extract the register values out of the core file and store them where
|
||
`read_register' will find them.
|
||
|
||
CORE_REG_SECT points to the register values themselves, read into
|
||
memory.
|
||
|
||
CORE_REG_SIZE is the size of that area.
|
||
|
||
WHICH says which set of registers we are handling:
|
||
0 --- integer registers
|
||
2 --- floating-point registers, on machines where they are
|
||
discontiguous
|
||
3 --- extended floating-point registers, on machines where
|
||
these are present in yet a third area. (GNU/Linux uses
|
||
this to get at the SSE registers.)
|
||
|
||
REG_ADDR is the offset from u.u_ar0 to the register values relative to
|
||
core_reg_sect. This is used with old-fashioned core files to locate the
|
||
registers in a large upage-plus-stack ".reg" section. Original upage
|
||
address X is at location core_reg_sect+x+reg_addr. */
|
||
|
||
void (*core_read_registers) PARAMS ((char *core_reg_sect,
|
||
unsigned core_reg_size,
|
||
int which, CORE_ADDR reg_addr));
|
||
|
||
/* Finds the next struct core_fns. They are allocated and initialized
|
||
in whatever module implements the functions pointed to; an
|
||
initializer calls add_core_fns to add them to the global chain. */
|
||
|
||
struct core_fns *next;
|
||
|
||
};
|
||
|
||
extern void add_core_fns PARAMS ((struct core_fns * cf));
|
||
extern int default_core_sniffer PARAMS ((struct core_fns *cf, bfd *abfd));
|
||
extern int default_check_format PARAMS ((bfd *abfd));
|
||
|
||
#endif /* !defined (GDBCORE_H) */
|