/* Shared library declarations for GDB, the GNU Debugger.
Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000,
- 2001, 2007, 2008, 2009 Free Software Foundation, Inc.
+ 2001, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
This file is part of GDB.
/* 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. */
+ traverse the dynamic linker's data structures. */
struct lm_info *lm_info;
/* Shared object file name, exactly as it appears in the
map we've already loaded. */
char so_original_name[SO_NAME_MAX_PATH_SIZE];
- /* shared object file name, expanded to something GDB can open */
+ /* 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.
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;
+ char symbols_loaded; /* flag: symbols read in yet? */
+
+ /* 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
/* 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. */
+ /* Free 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
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. */
int (*open_symbol_file_object) (void *from_ttyp);
/* Determine if PC lies in the dynamic symbol resolution code of
- the run time loader */
+ the run time loader. */
int (*in_dynsym_resolve_code) (CORE_ADDR pc);
- /* Extra hook for finding and opening a solib.
+ /* 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 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. */
+ 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 *). */
/* 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 bfd *solib_bfd_open (char *in_pathname);
-/* FIXME: gdbarch needs to control this variable */
+/* FIXME: gdbarch needs to control this variable. */
extern struct target_so_ops *current_target_so_ops;
/* 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 / deliverable / binutils-gdb.git / blobdiff