*** empty log message ***

[deliverable/binutils-gdb.git] / gdb / solist.h

diff --git a/gdb/solist.h b/gdb/solist.h
index 784ea1bed05ea8071f3a0cc725b8f5d070c8d260..1ac306af7a5772a24eab8b0904aa75947c9487dd 100644 (file)
--- a/gdb/solist.h
+++ b/gdb/solist.h
@@ -1,5 +1,6 @@
 /* Shared library declarations for GDB, the GNU Debugger.
-   Copyright 1990, 91, 92, 93, 94, 95, 96, 98, 1999, 2000
+   Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000,
+   2001
    Free Software Foundation, Inc.
 
    This file is part of GDB.
@@ -16,8 +17,11 @@
 
    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.  */
+   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 */
 
@@ -51,10 +55,11 @@ struct so_list
 
     /* 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 */
@@ -65,27 +70,60 @@ struct so_list
 
 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);
+    
   };
 
+/* 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_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)
+#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