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[/] [openrisc/] [trunk/] [gnu-old/] [gdb-7.1/] [gdb/] [gdbcore.h] - Blame information for rev 842

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1 227 jeremybenn
/* Machine independent variables that describe the core file under GDB.
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   Copyright (C) 1986, 1987, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
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   1997, 1998, 1999, 2000, 2001, 2004, 2007, 2008, 2009, 2010
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   Free Software Foundation, Inc.
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   This file is part of GDB.
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   This program is free software; you can redistribute it and/or modify
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   it under the terms of the GNU General Public License as published by
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   the Free Software Foundation; either version 3 of the License, or
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   (at your option) any later version.
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   This program is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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   GNU General Public License for more details.
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   You should have received a copy of the GNU General Public License
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   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
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/* Interface routines for core, executable, etc.  */
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#if !defined (GDBCORE_H)
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#define GDBCORE_H 1
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struct type;
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struct regcache;
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#include "bfd.h"
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#include "exec.h"
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/* Return the name of the executable file as a string.
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   ERR nonzero means get error if there is none specified;
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   otherwise return 0 in that case.  */
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extern char *get_exec_file (int err);
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/* Nonzero if there is a core file.  */
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extern int have_core_file_p (void);
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/* Report a memory error with error().  */
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extern void memory_error (int status, CORE_ADDR memaddr);
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/* Like target_read_memory, but report an error if can't read.  */
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extern void read_memory (CORE_ADDR memaddr, gdb_byte *myaddr, int len);
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/* Like target_read_stack, but report an error if can't read.  */
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extern void read_stack (CORE_ADDR memaddr, gdb_byte *myaddr, int len);
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/* Read an integer from debugged memory, given address and number of
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   bytes.  */
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extern LONGEST read_memory_integer (CORE_ADDR memaddr,
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                                    int len, enum bfd_endian byte_order);
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extern int safe_read_memory_integer (CORE_ADDR memaddr, int len,
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                                     enum bfd_endian byte_order, LONGEST *return_value);
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/* Read an unsigned integer from debugged memory, given address and
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   number of bytes.  */
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extern ULONGEST read_memory_unsigned_integer (CORE_ADDR memaddr,
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                                              int len, enum bfd_endian byte_order);
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/* Read a null-terminated string from the debuggee's memory, given address,
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 * a buffer into which to place the string, and the maximum available space */
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extern void read_memory_string (CORE_ADDR, char *, int);
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/* Read the pointer of type TYPE at ADDR, and return the address it
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   represents. */
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CORE_ADDR read_memory_typed_address (CORE_ADDR addr, struct type *type);
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/* This takes a char *, not void *.  This is probably right, because
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   passing in an int * or whatever is wrong with respect to
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   byteswapping, alignment, different sizes for host vs. target types,
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   etc.  */
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extern void write_memory (CORE_ADDR memaddr, const gdb_byte *myaddr, int len);
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/* Store VALUE at ADDR in the inferior as a LEN-byte unsigned integer.  */
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extern void write_memory_unsigned_integer (CORE_ADDR addr, int len,
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                                           enum bfd_endian byte_order,
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                                           ULONGEST value);
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/* Store VALUE at ADDR in the inferior as a LEN-byte unsigned integer.  */
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extern void write_memory_signed_integer (CORE_ADDR addr, int len,
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                                         enum bfd_endian byte_order,
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                                         LONGEST value);
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/* Hook for `exec_file_command' command to call.  */
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extern void (*deprecated_exec_file_display_hook) (char *filename);
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/* Hook for "file_command", which is more useful than above
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   (because it is invoked AFTER symbols are read, not before).  */
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extern void (*deprecated_file_changed_hook) (char *filename);
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extern void specify_exec_file_hook (void (*hook) (char *filename));
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/* Binary File Diddler for the core file.  */
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extern bfd *core_bfd;
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/* Whether to open exec and core files read-only or read-write.  */
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extern int write_files;
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extern void core_file_command (char *filename, int from_tty);
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extern void exec_file_attach (char *filename, int from_tty);
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extern void exec_file_clear (int from_tty);
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extern void validate_files (void);
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/* The current default bfd target.  */
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extern char *gnutarget;
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extern void set_gnutarget (char *);
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/* Structure to keep track of core register reading functions for
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   various core file types.  */
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struct core_fns
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  {
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    /* BFD flavour that a core file handler is prepared to read.  This
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       can be used by the handler's core tasting function as a first
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       level filter to reject BFD's that don't have the right
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       flavour. */
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    enum bfd_flavour core_flavour;
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    /* Core file handler function to call to recognize corefile
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       formats that BFD rejects.  Some core file format just don't fit
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       into the BFD model, or may require other resources to identify
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       them, that simply aren't available to BFD (such as symbols from
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       another file).  Returns nonzero if the handler recognizes the
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       format, zero otherwise. */
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    int (*check_format) (bfd *);
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    /* Core file handler function to call to ask if it can handle a
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       given core file format or not.  Returns zero if it can't,
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       nonzero otherwise. */
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    int (*core_sniffer) (struct core_fns *, bfd *);
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    /* Extract the register values out of the core file and supply them
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       into REGCACHE.
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       CORE_REG_SECT points to the register values themselves, read into
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       memory.
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       CORE_REG_SIZE is the size of that area.
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       WHICH says which set of registers we are handling:
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         2 --- floating-point registers, on machines where they are
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               discontiguous
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         3 --- extended floating-point registers, on machines where
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               these are present in yet a third area.  (GNU/Linux uses
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               this to get at the SSE registers.)
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       REG_ADDR is the offset from u.u_ar0 to the register values relative to
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       core_reg_sect.  This is used with old-fashioned core files to locate the
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       registers in a large upage-plus-stack ".reg" section.  Original upage
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       address X is at location core_reg_sect+x+reg_addr. */
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    void (*core_read_registers) (struct regcache *regcache,
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                                 char *core_reg_sect,
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                                 unsigned core_reg_size,
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                                 int which, CORE_ADDR reg_addr);
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    /* Finds the next struct core_fns.  They are allocated and
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       initialized in whatever module implements the functions pointed
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       to; an initializer calls deprecated_add_core_fns to add them to
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       the global chain.  */
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    struct core_fns *next;
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  };
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/* NOTE: cagney/2004-04-05: Replaced by "regset.h" and
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   regset_from_core_section().  */
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extern void deprecated_add_core_fns (struct core_fns *cf);
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extern int default_core_sniffer (struct core_fns *cf, bfd * abfd);
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extern int default_check_format (bfd * abfd);
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struct target_section *deprecated_core_resize_section_table (int num_added);
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#endif /* !defined (GDBCORE_H) */

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