/* Handle shared libraries for GDB, the GNU Debugger.
Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- 2000, 2001, 2002, 2003, 2005, 2006, 2007, 2008, 2009, 2010
+ 2000, 2001, 2002, 2003, 2005, 2006, 2007, 2008, 2009, 2010, 2011
Free Software Foundation, Inc.
This file is part of GDB.
solib_ops (struct gdbarch *gdbarch)
{
struct target_so_ops **ops = gdbarch_data (gdbarch, solib_data);
+
return *ops;
}
set_solib_ops (struct gdbarch *gdbarch, struct target_so_ops *new_ops)
{
struct target_so_ops **ops = gdbarch_data (gdbarch, solib_data);
+
*ops = new_ops;
}
\f
show_solib_search_path (struct ui_file *file, int from_tty,
struct cmd_list_element *c, const char *value)
{
- fprintf_filtered (file, _("\
-The search path for loading non-absolute shared library symbol files is %s.\n"),
+ fprintf_filtered (file, _("The search path for loading non-absolute "
+ "shared library symbol files is %s.\n"),
value);
}
if (solib_symbols_extension)
{
char *p = in_pathname + strlen (in_pathname);
+
while (p > in_pathname && *p != '.')
p--;
found_file = open (temp_pathname, O_RDONLY | O_BINARY, 0);
if (found_file < 0)
{
- char *p;
-
xfree (temp_pathname);
/* If the search in gdb_sysroot still failed, try fully
target_lbasename (fskind, in_pathname),
O_RDONLY | O_BINARY, &temp_pathname);
- /* If not found, try to use target supplied solib search method */
+ /* If not found, try to use target supplied solib search method. */
if (found_file < 0 && ops->find_and_open_solib)
found_file = ops->find_and_open_solib (in_pathname, O_RDONLY | O_BINARY,
&temp_pathname);
- /* If not found, next search the inferior's $PATH environment variable. */
+ /* If not found, next search the inferior's $PATH environment variable. */
if (found_file < 0 && gdb_sysroot_is_empty)
found_file = openp (get_in_environ (current_inferior ()->environment,
"PATH"),
&temp_pathname);
/* If not found, next search the inferior's $LD_LIBRARY_PATH
- environment variable. */
+ environment variable. */
if (found_file < 0 && gdb_sysroot_is_empty)
found_file = openp (get_in_environ (current_inferior ()->environment,
"LD_LIBRARY_PATH"),
so->abfd = gdb_bfd_ref (abfd);
/* copy full path name into so_name, so that later symbol_file_add
- can find it */
+ can find it. */
if (strlen (bfd_get_filename (abfd)) >= SO_NAME_MAX_PATH_SIZE)
error (_("Shared library file name is too long."));
strcpy (so->so_name, bfd_get_filename (abfd));
{
/* Relocate the section binding addresses as recorded in the shared
object's file by the base address to which the object was actually
- mapped. */
+ mapped. */
ops->relocate_section_addresses (so, p);
/* If the target didn't provide information about the address
static void
free_so_symbols (struct so_list *so)
{
- char *bfd_filename = 0;
-
if (so->sections)
{
xfree (so->sections);
DESCRIPTION
Free the storage associated with the `struct so_list' object SO.
- If we have opened a BFD for SO, close it.
+ If we have opened a BFD for SO, close it.
The caller is responsible for removing SO from whatever list it is
a member of. If we have placed SO's sections in some target's
/* Have we already loaded this shared object? */
ALL_OBJFILES (so->objfile)
{
- if (strcmp (so->objfile->name, so->so_name) == 0)
+ if (filename_cmp (so->objfile->name, so->so_name) == 0
+ && so->objfile->addr_low == so->addr_low)
break;
}
if (so->objfile != NULL)
sap = build_section_addr_info_from_section_table (so->sections,
so->sections_end);
so->objfile = symbol_file_add_from_bfd (so->abfd,
- flags, sap, OBJF_SHARED);
+ flags, sap, OBJF_SHARED,
+ NULL);
+ so->objfile->addr_low = so->addr_low;
free_section_addr_info (sap);
}
if (e.reason < 0)
- {
- if (from_tty)
- exception_fprintf
- (gdb_stderr, e,
- _("Error while reading shared library symbols:\n"));
- }
+ exception_fprintf (gdb_stderr, e, _("Error while reading shared"
+ " library symbols for %s:\n"),
+ so->so_name);
else
{
if (from_tty || info_verbose)
}
else
{
- if (! strcmp (gdb->so_original_name, i->so_original_name))
+ if (! filename_cmp (gdb->so_original_name, i->so_original_name))
break;
}
}
if (e.reason < 0)
- exception_fprintf (gdb_stderr, e, _("\
-Error while mapping shared library sections:\n"));
+ exception_fprintf (gdb_stderr, e,
+ _("Error while mapping shared "
+ "library sections:\n"));
/* Notify any observer that the shared object has been
loaded now that we've added it to GDB's tables. */
stand out well. */
if (not_found == 1)
- warning (_("\
-Could not load shared library symbols for %s.\n\
-Do you need \"set solib-search-path\" or \"set sysroot\"?"),
+ warning (_("Could not load shared library symbols for %s.\n"
+ "Do you need \"set solib-search-path\" "
+ "or \"set sysroot\"?"),
not_found_filename);
else if (not_found > 1)
warning (_("\
FROM_TTY and TARGET are as described for update_solib_list, above. */
void
-solib_add (char *pattern, int from_tty, struct target_ops *target, int readsyms)
+solib_add (char *pattern, int from_tty,
+ struct target_ops *target, int readsyms)
{
struct so_list *gdb;
info_sharedlibrary_command (char *pattern, int from_tty)
{
struct so_list *so = NULL; /* link map state variable */
- int header_done = 0;
int so_missing_debug_info = 0;
int addr_width;
int nr_libs;
{
if (so_missing_debug_info)
ui_out_message (uiout, 0,
- _("(*): Shared library is missing debugging information.\n"));
+ _("(*): Shared library is missing "
+ "debugging information.\n"));
}
}
while (so_list_head)
{
struct so_list *so = so_list_head;
+
so_list_head = so->next;
observer_notify_solib_unloaded (so);
if (so->abfd)
solib_create_inferior_hook (int from_tty)
{
struct target_so_ops *ops = solib_ops (target_gdbarch);
+
ops->solib_create_inferior_hook (from_tty);
}
in_solib_dynsym_resolve_code (CORE_ADDR pc)
{
struct target_so_ops *ops = solib_ops (target_gdbarch);
+
return ops->in_dynsym_resolve_code (pc);
}
{
char *filename, *found_pathname = NULL;
bfd *abfd;
- int scratch_chan;
int was_loaded = so->symbols_loaded;
const int flags =
SYMFILE_DEFER_BP_RESET | (from_tty ? SYMFILE_VERBOSE : 0);
filename = tilde_expand (so->so_original_name);
+ make_cleanup (xfree, filename);
abfd = solib_bfd_open (filename);
if (abfd != NULL)
{
symbol file, close that. */
if ((found_pathname == NULL && was_loaded)
|| (found_pathname != NULL
- && strcmp (found_pathname, so->so_name) != 0))
+ && filename_cmp (found_pathname, so->so_name) != 0))
{
if (so->objfile && ! (so->objfile->flags & OBJF_USERLOADED))
free_objfile (so->objfile);
file, open it. */
if (found_pathname != NULL
&& (!was_loaded
- || strcmp (found_pathname, so->so_name) != 0))
+ || filename_cmp (found_pathname, so->so_name) != 0))
{
volatile struct gdb_exception e;
solib_map_sections (so);
if (e.reason < 0)
- exception_fprintf (gdb_stderr, e, _("\
-Error while mapping shared library sections:\n"));
+ exception_fprintf (gdb_stderr, e,
+ _("Error while mapping "
+ "shared library sections:\n"));
else if (auto_solib_add || was_loaded || libpthread_solib_p (so))
solib_read_symbols (so, flags);
}
ops = solib_ops (target_gdbarch);
- /* Creating inferior hooks here has two purposes. First, if we reload
+ /* Creating inferior hooks here has two purposes. First, if we reload
shared libraries then the address of solib breakpoint we've computed
previously might be no longer valid. For example, if we forgot to set
solib-absolute-prefix and are setting it right now, then the previous
void
_initialize_solib (void)
{
- struct cmd_list_element *c;
-
solib_data = gdbarch_data_register_pre_init (solib_init);
add_com ("sharedlibrary", class_files, sharedlibrary_command,
If \"on\", symbols from all shared object libraries will be loaded\n\
automatically when the inferior begins execution, when the dynamic linker\n\
informs gdb that a new library has been loaded, or when attaching to the\n\
-inferior. Otherwise, symbols must be loaded manually, using `sharedlibrary'."),
+inferior. Otherwise, symbols must be loaded manually, using \
+`sharedlibrary'."),
NULL,
show_auto_solib_add,
&setlist, &showlist);
add_setshow_optional_filename_cmd ("solib-search-path", class_support,
&solib_search_path, _("\
-Set the search path for loading non-absolute shared library symbol files."), _("\
-Show the search path for loading non-absolute shared library symbol files."), _("\
-This takes precedence over the environment variables PATH and LD_LIBRARY_PATH."),
+Set the search path for loading non-absolute shared library symbol files."),
+ _("\
+Show the search path for loading non-absolute shared library symbol files."),
+ _("\
+This takes precedence over the environment variables \
+PATH and LD_LIBRARY_PATH."),
reload_shared_libraries,
show_solib_search_path,
&setlist, &showlist);