Initial creation of sourceware repositorygdb-4_18-branchpoint

1 files changed, 169 insertions, 0 deletions

diff --git a/gdb/gdbcore.h b/gdb/gdbcore.h
new file mode 100644
index 00000000000..6501e3098b9
--- /dev/null
+++ b/gdb/gdbcore.h
@@ -0,0 +1,169 @@
+/* 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 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. */
+
+  enum bfd_flavour core_flavour;
+
+  /* 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 = int, 2 = float on
+     machines where they are discontiguous).
+
+     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));
+
+#endif	/* !defined (GDBCORE_H) */