/* Shared library declarations for GDB, the GNU Debugger. Copyright 1990, 91, 92, 93, 94, 95, 96, 98, 1999, 2000 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. */ #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 initialized 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; }; 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); }; void free_so (struct so_list *so); /* 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)