/* Shared library declarations for GDB, the GNU Debugger.
- Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000,
- 2001
- Free Software Foundation, Inc.
+ Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000,
+ 2001, 2007, 2008, 2009, 2010 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
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
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. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+#ifndef SOLIST_H
+#define SOLIST_H
#define SO_NAME_MAX_PATH_SIZE 512 /* FIXME: Should be dynamic */
+/* For domain_enum domain. */
+#include "symtab.h"
/* Forward declaration for target specific link map information. This
struct is opaque to all but the target specific file. */
/* shared object file name, expanded to something GDB can open */
char so_name[SO_NAME_MAX_PATH_SIZE];
+ /* Program space this shared library belongs to. */
+ struct program_space *pspace;
+
/* The following fields of the structure are built from
information gathered from the shared object file itself, and
are set when we actually add it to our symbol tables.
bfd *abfd;
char symbols_loaded; /* flag: symbols read in yet? */
- char from_tty; /* flag: print msgs? */
- struct objfile *objfile; /* objfile for loaded lib */
- struct section_table *sections;
- struct section_table *sections_end;
- struct section_table *textsection;
+
+ /* objfile with symbols for a loaded library. Target memory is read from
+ ABFD. OBJFILE may be NULL either before symbols have been loaded, if
+ the file cannot be found or after the command "nosharedlibrary". */
+ struct objfile *objfile;
+
+ struct target_section *sections;
+ struct target_section *sections_end;
+
+ /* Record the range of addresses belonging to this shared library.
+ There may not be just one (e.g. if two segments are relocated
+ differently); but this is only used for "info sharedlibrary". */
+ CORE_ADDR addr_low, addr_high;
};
struct target_so_ops
/* Adjust the section binding addresses by the base address at
which the object was actually mapped. */
void (*relocate_section_addresses) (struct so_list *so,
- struct section_table *);
+ struct target_section *);
/* Free the the link map info and any other private data
structures associated with a so_list entry. */
void (*clear_solib) (void);
/* Target dependent code to run after child process fork. */
- void (*solib_create_inferior_hook) (void);
+ void (*solib_create_inferior_hook) (int from_tty);
/* Do additional symbol handling, lookup, etc. after symbols
for a shared object have been loaded. */
/* Determine if PC lies in the dynamic symbol resolution code of
the run time loader */
int (*in_dynsym_resolve_code) (CORE_ADDR pc);
+
+ /* Find and open shared library binary file. */
+ bfd *(*bfd_open) (char *pathname);
+
+ /* Extra hook for finding and opening a solib.
+ Convenience function for remote debuggers finding host libs. */
+ int (*find_and_open_solib) (char *soname,
+ unsigned o_flags, char **temp_pathname);
+
+ /* Hook for looking up global symbols in a library-specific way. */
+ struct symbol * (*lookup_lib_global_symbol) (const struct objfile *objfile,
+ const char *name,
+ const domain_enum domain);
+
+ /* Given two so_list objects, one from the GDB thread list
+ and another from the list returned by current_sos, return 1
+ if they represent the same library.
+ Falls back to using strcmp on so_original_name field when set
+ to NULL. */
+ int (*same) (struct so_list *gdb, struct so_list *inferior);
+
+ /* Return whether a region of memory must be kept in a core file
+ for shared libraries loaded before "gcore" is used to be
+ handled correctly when the core file is loaded. This only
+ applies when the section would otherwise not be kept in the
+ core file (in particular, for readonly sections). */
+ int (*keep_data_in_core) (CORE_ADDR vaddr,
+ unsigned long size);
};
+/* Free the memory associated with a (so_list *). */
void free_so (struct so_list *so);
+/* Return address of first so_list entry in master shared object list. */
+struct so_list *master_so_list (void);
+
+/* Find shared library binary file. */
+extern char *solib_find (char *in_pathname, int *fd);
+
+/* Open BFD for shared library file. */
+extern bfd *solib_bfd_fopen (char *pathname, int fd);
+
/* Find solib binary file and open it. */
-extern int solib_open (char *in_pathname, char **found_pathname);
+extern bfd *solib_bfd_open (char *in_pathname);
/* FIXME: gdbarch needs to control this variable */
extern struct target_so_ops *current_target_so_ops;
-#define TARGET_SO_RELOCATE_SECTION_ADDRESSES \
- (current_target_so_ops->relocate_section_addresses)
-#define TARGET_SO_FREE_SO (current_target_so_ops->free_so)
-#define TARGET_SO_CLEAR_SOLIB (current_target_so_ops->clear_solib)
-#define TARGET_SO_SOLIB_CREATE_INFERIOR_HOOK \
- (current_target_so_ops->solib_create_inferior_hook)
-#define TARGET_SO_SPECIAL_SYMBOL_HANDLING \
- (current_target_so_ops->special_symbol_handling)
-#define TARGET_SO_CURRENT_SOS (current_target_so_ops->current_sos)
-#define TARGET_SO_OPEN_SYMBOL_FILE_OBJECT \
- (current_target_so_ops->open_symbol_file_object)
-#define TARGET_SO_IN_DYNSYM_RESOLVE_CODE \
- (current_target_so_ops->in_dynsym_resolve_code)
+/* Handler for library-specific global symbol lookup in solib.c. */
+struct symbol *solib_global_lookup (const struct objfile *objfile,
+ const char *name,
+ const domain_enum domain);
+
+#endif