/* Machine independent variables that describe the core file under GDB.
- Copyright (C) 1986, 1987, 1989, 1990 Free Software Foundation, Inc.
+ Copyright 1986, 1987, 1989, 1990, 1992, 1995 Free Software Foundation, Inc.
-This file is part of GDB.
+ This file is part of GDB.
-GDB 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 1, or (at your option)
-any later version.
+ 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.
-GDB 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 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 GDB; see the file COPYING. If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+ 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. */
-#include "bfd.h" /* Binary File Description */
+#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. */
-char *get_exec_file ();
+
+extern char *get_exec_file (int err);
/* Nonzero if there is a core file. */
-int have_core_file_p ();
-/* 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. */
-int read_memory_nobpt ();
+extern int have_core_file_p (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 (CORE_ADDR memaddr, char *myaddr, unsigned len);
/* Report a memory error with error(). */
-void memory_error ();
+extern void memory_error (int status, CORE_ADDR memaddr);
/* Like target_read_memory, but report an error if can't read. */
-void read_memory ();
-/* Read an integer from debugged memory, given address and number of bytes. */
-long read_memory_integer ();
+extern void read_memory (CORE_ADDR memaddr, char *myaddr, int len);
-void write_memory (
-#ifdef __STDC__
- CORE_ADDR, char *, int
-#endif
- );
+/* Read an integer from debugged memory, given address and number of
+ bytes. */
+
+extern LONGEST read_memory_integer (CORE_ADDR memaddr, int len);
+
+/* Read an unsigned integer from debugged memory, given address and
+ number of bytes. */
+
+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 (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 (CORE_ADDR memaddr, char *myaddr, int len);
+extern void generic_search (int len, char *data, char *mask,
+ CORE_ADDR startaddr, int increment,
+ CORE_ADDR lorange, CORE_ADDR hirange,
+ CORE_ADDR * addr_found, char *data_found);
+\f
/* Hook for `exec_file_command' command to call. */
-extern void (*exec_file_display_hook) ();
-
+extern void (*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) */
+
+extern void (*file_changed_hook) (char *filename);
+
+extern void specify_exec_file_hook (void (*hook) (char *filename));
+
/* Binary File Diddlers for the exec and core files */
+
extern bfd *core_bfd;
extern bfd *exec_bfd;
-void core_file_command ();
-void exec_file_command ();
-void validate_files ();
-unsigned int register_addr ();
-int xfer_core_file ();
-void fetch_core_registers ();
-void registers_fetched ();
+/* Whether to open exec and core files read-only or read-write. */
+
+extern int write_files;
+
+extern void core_file_command (char *filename, int from_tty);
+
+extern void exec_file_attach (char *filename, int from_tty);
+
+extern void exec_file_command (char *filename, int from_tty);
+
+extern void validate_files (void);
+
+extern CORE_ADDR register_addr (int regno, CORE_ADDR blockend);
+
+extern void registers_fetched (void);
#if !defined (KERNEL_U_ADDR)
extern CORE_ADDR kernel_u_addr;
#define KERNEL_U_ADDR kernel_u_addr
#endif
-/* Struct section_table maps address ranges to file sections. It is
- mostly used with BFD files, but can be used without (e.g. for handling
- raw disks, or files not in formats handled by BFD). */
+/* The target vector for core files. */
+
+extern struct target_ops core_ops;
+
+/* The current default bfd target. */
+
+extern char *gnutarget;
+
+extern void set_gnutarget (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) (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) (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) (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;
-struct section_table {
- CORE_ADDR addr; /* Lowest address in section */
- CORE_ADDR endaddr; /* 1+highest address in section */
- sec_ptr sec_ptr; /* BFD section pointer */
-};
+ };
-/* Builds a section table, given args BFD, SECTABLE_PTR, SECEND_PTR.
- Returns 0 if OK, 1 on error. */
+extern void 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);
-int build_section_table ();
+#endif /* !defined (GDBCORE_H) */
projects / deliverable / binutils-gdb.git / blobdiff