-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 ();
-
-#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). */
-
-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. */
-
-int build_section_table ();
+
+/* 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_clear (int from_tty);
+
+extern void validate_files (void);
+
+/* 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 supply them
+ into REGCACHE.
+
+ 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) (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 deprecated_add_core_fns to add them to
+ the global chain. */
+
+ struct core_fns *next;
+
+ };
+
+/* 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);
+
+struct target_section *deprecated_core_resize_section_table (int num_added);
+
+#endif /* !defined (GDBCORE_H) */