/* 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.
+ Copyright (C) 1986, 1987, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
+ 1997, 1998, 1999, 2000, 2001, 2004, 2007, 2008, 2009
+ Free Software Foundation, Inc.
-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 file is part of GDB.
-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.
+ 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 3 of the License, or
+ (at your option) any later version.
-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. */
+ 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, see <http://www.gnu.org/licenses/>. */
/* Interface routines for core, executable, etc. */
#if !defined (GDBCORE_H)
#define GDBCORE_H 1
+struct type;
+struct regcache;
+
#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));
+extern char *get_exec_file (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));
+extern int have_core_file_p (void);
/* Report a memory error with error(). */
-extern void memory_error PARAMS ((int status, CORE_ADDR memaddr));
+extern void memory_error (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));
+extern void read_memory (CORE_ADDR memaddr, gdb_byte *myaddr, int len);
/* Read an integer from debugged memory, given address and number of
bytes. */
-extern LONGEST read_memory_integer PARAMS ((CORE_ADDR memaddr, int len));
+extern LONGEST read_memory_integer (CORE_ADDR memaddr, int len);
+extern int safe_read_memory_integer (CORE_ADDR memaddr, int len, LONGEST *return_value);
/* 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));
+extern ULONGEST read_memory_unsigned_integer (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));
+ * a buffer into which to place the string, and the maximum available space */
+
+extern void read_memory_string (CORE_ADDR, char *, int);
+
+/* Read the pointer of type TYPE at ADDR, and return the address it
+ represents. */
+
+CORE_ADDR read_memory_typed_address (CORE_ADDR addr, struct type *type);
/* 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 write_memory (CORE_ADDR memaddr, const gdb_byte *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));
+/* Store VALUE at ADDR in the inferior as a LEN-byte unsigned integer. */
+extern void write_memory_unsigned_integer (CORE_ADDR addr, int len,
+ ULONGEST value);
+
+/* Store VALUE at ADDR in the inferior as a LEN-byte unsigned integer. */
+extern void write_memory_signed_integer (CORE_ADDR addr, int len,
+ LONGEST value);
\f
/* Hook for `exec_file_command' command to call. */
-extern void (*exec_file_display_hook) PARAMS ((char *filename));
+extern void (*deprecated_exec_file_display_hook) (char *filename);
/* Hook for "file_command", which is more useful than above
- (because it is invoked AFTER symbols are read, not before) */
+ (because it is invoked AFTER symbols are read, not before). */
-extern void (*file_changed_hook) PARAMS ((char *filename));
+extern void (*deprecated_file_changed_hook) (char *filename);
-extern void specify_exec_file_hook PARAMS ((void (*hook) (char *filename)));
+extern void specify_exec_file_hook (void (*hook) (char *filename));
-/* Binary File Diddlers for the exec and core files */
+/* Binary File Diddlers for the exec and core files. */
extern bfd *core_bfd;
extern bfd *exec_bfd;
+/* The mtime when we last opened exec_bfd. */
+extern long exec_bfd_mtime;
+
/* 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 core_file_command (char *filename, int from_tty);
-extern void exec_file_attach PARAMS ((char *filename, int from_tty));
+extern void exec_file_attach (char *filename, int from_tty);
-extern void exec_file_command PARAMS ((char *filename, int from_tty));
+extern void exec_file_clear (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;
+extern void validate_files (void);
/* The current default bfd target. */
extern char *gnutarget;
-extern void set_gnutarget PARAMS ((char *));
+extern void set_gnutarget (char *);
/* Structure to keep track of core register reading functions for
various core file types. */
-struct core_fns {
+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) (bfd *);
- /* BFD flavour that we handle. Note that bfd_target_unknown_flavour matches
- anything, and if there is no better match, this function will be called
- as the default. */
+ /* 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. */
- enum bfd_flavour core_flavour;
+ int (*core_sniffer) (struct core_fns *, bfd *);
- /* Extract the register values out of the core file and store them where
- `read_register' will find them.
+ /* Extract the register values out of the core file and supply them
+ into REGCACHE.
- CORE_REG_SECT points to the register values themselves, read into
- memory.
+ CORE_REG_SECT points to the register values themselves, read into
+ memory.
- CORE_REG_SIZE is the size of that area.
+ CORE_REG_SIZE is the size of that area.
- WHICH says which set of registers we are handling (0 = int, 2 = float on
- machines where they are discontiguous).
+ 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. */
+ 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));
+ void (*core_read_registers) (struct regcache *regcache,
+ 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. */
+ /* Finds the next struct core_fns. They are allocated and
+ initialized in whatever module implements the functions pointed
+ to; an initializer calls deprecated_add_core_fns to add them to
+ the global chain. */
- struct core_fns *next;
+ struct core_fns *next;
-};
+ };
-extern void add_core_fns PARAMS ((struct core_fns *cf));
+/* NOTE: cagney/2004-04-05: Replaced by "regset.h" and
+ regset_from_core_section(). */
+extern void deprecated_add_core_fns (struct core_fns *cf);
+extern int default_core_sniffer (struct core_fns *cf, bfd * abfd);
+extern int default_check_format (bfd * abfd);
-#endif /* !defined (GDBCORE_H) */
+#endif /* !defined (GDBCORE_H) */