| /* Shared library declarations for GDB, the GNU Debugger. |
| Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, |
| 2001, 2007 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., 51 Franklin Street, Fifth Floor, |
| Boston, MA 02110-1301, USA. */ |
| |
| #ifndef SOLIST_H |
| #define SOLIST_H |
| |
| #define SO_NAME_MAX_PATH_SIZE 512 /* FIXME: Should be dynamic */ |
| |
| /* Forward declaration for target specific link map information. This |
| struct is opaque to all but the target specific file. */ |
| struct lm_info; |
| |
| struct so_list |
| { |
| /* The following fields of the structure come directly from the |
| dynamic linker's tables in the inferior, and are initialized by |
| current_sos. */ |
| |
| struct so_list *next; /* next structure in linked list */ |
| |
| /* A pointer to target specific link map information. Often this |
| will be a copy of struct link_map from the user process, but |
| it need not be; it can be any collection of data needed to |
| traverse the dynamic linker's data structures. */ |
| struct lm_info *lm_info; |
| |
| /* Shared object file name, exactly as it appears in the |
| inferior's link map. This may be a relative path, or something |
| which needs to be looked up in LD_LIBRARY_PATH, etc. We use it |
| to tell which entries in the inferior's dynamic linker's link |
| map we've already loaded. */ |
| char so_original_name[SO_NAME_MAX_PATH_SIZE]; |
| |
| /* shared object file name, expanded to something GDB can open */ |
| char so_name[SO_NAME_MAX_PATH_SIZE]; |
| |
| /* 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. |
| |
| current_sos must initialize these fields to 0. */ |
| |
| 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; |
| }; |
| |
| 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 *); |
| |
| /* 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); |
| |
| }; |
| |
| /* 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 int solib_open (char *in_pathname, char **found_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_FIND_AND_OPEN_SOLIB \ |
| (current_target_so_ops->find_and_open_solib) |
| #define TARGET_SO_IN_DYNSYM_RESOLVE_CODE \ |
| (current_target_so_ops->in_dynsym_resolve_code) |
| |
| #endif |