/* Shared library declarations for GDB, the GNU Debugger.
- Copyright 1990, 91, 92, 93, 94, 95, 96, 98, 1999, 2000
- Free Software Foundation, Inc.
+ Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000,
+ 2001, 2007, 2008, 2009 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. */
/* The following fields of the structure are built from
information gathered from the shared object file itself, and
- are initialized when we actually add it to our symbol tables. */
+ are set when we actually add it to our symbol tables.
+
+ current_sos must initialize these fields to 0. */
bfd *abfd;
- CORE_ADDR lmend; /* upper addr bound of mapped object */
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;
+
+ /* 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
{
- CORE_ADDR (*lm_addr) (struct so_list *so);
+ /* 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 *);
+
+ /* Free the the link map info and any other private data
+ structures associated with a so_list entry. */
void (*free_so) (struct so_list *so);
+
+ /* Reset or free private data structures not associated with
+ so_list entries. */
void (*clear_solib) (void);
+
+ /* Target dependent code to run after child process fork. */
void (*solib_create_inferior_hook) (void);
+
+ /* Do additional symbol handling, lookup, etc. after symbols
+ for a shared object have been loaded. */
void (*special_symbol_handling) (void);
+
+ /* Construct a list of the currently loaded shared objects. */
struct so_list *(*current_sos) (void);
+
+ /* Find, open, and read the symbols for the main executable. */
int (*open_symbol_file_object) (void *from_ttyp);
+
+ /* Determine if PC lies in the dynamic symbol resolution code of
+ the run time loader */
+ int (*in_dynsym_resolve_code) (CORE_ADDR pc);
+
+ /* 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 char *linkage_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. */
+ int (*same) (struct so_list *gdb, struct so_list *inferior);
};
+/* 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 solib binary file and open it. */
+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_LM_ADDR (current_target_so_ops->lm_addr)
-#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)
+/* Handler for library-specific global symbol lookup in solib.c. */
+struct symbol *solib_global_lookup (const struct objfile *objfile,
+ const char *name,
+ const char *linkage_name,
+ const domain_enum domain);
+
+#endif
projects / binutils-gdb.git / blobdiff