/* 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
+ 2000, 2001, 2002, 2003, 2005, 2006, 2007, 2008, 2009, 2010
Free Software Foundation, Inc.
This file is part of GDB.
#include "readline/readline.h"
#include "remote.h"
#include "solib.h"
+#include "interps.h"
/* Architecture-specific operations. */
configuration needs to call set_solib_ops. */
struct target_so_ops *current_target_so_ops;
-/* local data declarations */
-
-static struct so_list *so_list_head; /* List of known shared objects */
+/* List of known shared objects */
+#define so_list_head current_program_space->so_list
/* Local function prototypes */
int found_file = -1;
char *temp_pathname = NULL;
int gdb_sysroot_is_empty;
+ const char *solib_symbols_extension
+ = gdbarch_solib_symbols_extension (target_gdbarch);
+
+ /* If solib_symbols_extension is set, replace the file's
+ extension. */
+ if (solib_symbols_extension)
+ {
+ char *p = in_pathname + strlen (in_pathname);
+ while (p > in_pathname && *p != '.')
+ p--;
+
+ if (*p == '.')
+ {
+ char *new_pathname;
+
+ new_pathname = alloca (p - in_pathname + 1
+ + strlen (solib_symbols_extension) + 1);
+ memcpy (new_pathname, in_pathname, p - in_pathname + 1);
+ strcpy (new_pathname + (p - in_pathname) + 1,
+ solib_symbols_extension);
+
+ in_pathname = new_pathname;
+ }
+ }
gdb_sysroot_is_empty = (gdb_sysroot == NULL || *gdb_sysroot == 0);
/* If not found, search the solib_search_path (if any). */
if (found_file < 0 && solib_search_path != NULL)
found_file = openp (solib_search_path, OPF_TRY_CWD_FIRST,
- in_pathname, O_RDONLY | O_BINARY, 0, &temp_pathname);
+ in_pathname, O_RDONLY | O_BINARY, &temp_pathname);
/* If not found, next search the solib_search_path (if any) for the basename
only (ignoring the path). This is to allow reading solibs from a path
that differs from the opened path. */
if (found_file < 0 && solib_search_path != NULL)
found_file = openp (solib_search_path, OPF_TRY_CWD_FIRST,
- lbasename (in_pathname), O_RDONLY | O_BINARY, 0,
+ lbasename (in_pathname), O_RDONLY | O_BINARY,
&temp_pathname);
/* If not found, try to use target supplied solib search method */
/* 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 (inferior_environ, "PATH"),
- OPF_TRY_CWD_FIRST, in_pathname, O_RDONLY | O_BINARY, 0,
+ found_file = openp (get_in_environ (current_inferior ()->environment,
+ "PATH"),
+ OPF_TRY_CWD_FIRST, in_pathname, O_RDONLY | O_BINARY,
&temp_pathname);
/* If not found, next search the inferior's $LD_LIBRARY_PATH
environment variable. */
if (found_file < 0 && gdb_sysroot_is_empty)
- found_file = openp (get_in_environ (inferior_environ, "LD_LIBRARY_PATH"),
- OPF_TRY_CWD_FIRST, in_pathname, O_RDONLY | O_BINARY, 0,
+ found_file = openp (get_in_environ (current_inferior ()->environment,
+ "LD_LIBRARY_PATH"),
+ OPF_TRY_CWD_FIRST, in_pathname, O_RDONLY | O_BINARY,
&temp_pathname);
*fd = found_file;
bfd *
solib_bfd_open (char *pathname)
{
- struct target_so_ops *ops = solib_ops (target_gdbarch);
char *found_pathname;
int found_file;
bfd *abfd;
-
- /* Use target-specific override if present. */
- if (ops->bfd_open)
- return ops->bfd_open (pathname);
+ const struct bfd_arch_info *b;
/* Search for shared library file. */
found_pathname = solib_find (pathname, &found_file);
if (found_pathname == NULL)
- perror_with_name (pathname);
+ {
+ /* Return failure if the file could not be found, so that we can
+ accumulate messages about missing libraries. */
+ if (errno == ENOENT)
+ return NULL;
+
+ perror_with_name (pathname);
+ }
/* Open bfd for shared library. */
abfd = solib_bfd_fopen (found_pathname, found_file);
found_pathname, bfd_errmsg (bfd_get_error ()));
}
+ /* Check bfd arch. */
+ b = gdbarch_bfd_arch_info (target_gdbarch);
+ if (!b->compatible (b, bfd_get_arch_info (abfd)))
+ warning (_("`%s': Shared library architecture %s is not compatible "
+ "with target architecture %s."), found_pathname,
+ bfd_get_arch_info (abfd)->printable_name, b->printable_name);
+
return abfd;
}
*/
static int
-solib_map_sections (void *arg)
+solib_map_sections (struct so_list *so)
{
- struct so_list *so = (struct so_list *) arg; /* catch_errors bogon */
+ struct target_so_ops *ops = solib_ops (target_gdbarch);
char *filename;
- struct section_table *p;
+ struct target_section *p;
struct cleanup *old_chain;
bfd *abfd;
filename = tilde_expand (so->so_name);
old_chain = make_cleanup (xfree, filename);
- abfd = solib_bfd_open (filename);
+ abfd = ops->bfd_open (filename);
do_cleanups (old_chain);
+ if (abfd == NULL)
+ return 0;
+
/* Leave bfd open, core_xfer_memory and "info files" need it. */
- so->abfd = abfd;
+ so->abfd = gdb_bfd_ref (abfd);
/* copy full path name into so_name, so that later symbol_file_add
can find it */
for (p = so->sections; p < so->sections_end; p++)
{
- struct target_so_ops *ops = solib_ops (target_gdbarch);
-
/* Relocate the section binding addresses as recorded in the shared
object's file by the base address to which the object was actually
mapped. */
}
}
- return (1);
+ /* Add the shared object's sections to the current set of file
+ section tables. Do this immediately after mapping the object so
+ that later nodes in the list can query this object, as is needed
+ in solib-osf.c. */
+ add_target_sections (so->sections, so->sections_end);
+
+ return 1;
+}
+
+/* Free symbol-file related contents of SO. If we have opened a BFD
+ for SO, close it. If we have placed SO's sections in some target's
+ section table, the caller is responsible for removing them.
+
+ This function doesn't mess with objfiles at all. If there is an
+ objfile associated with SO that needs to be removed, the caller is
+ responsible for taking care of that. */
+
+static void
+free_so_symbols (struct so_list *so)
+{
+ char *bfd_filename = 0;
+
+ if (so->sections)
+ {
+ xfree (so->sections);
+ so->sections = so->sections_end = NULL;
+ }
+
+ gdb_bfd_unref (so->abfd);
+ so->abfd = NULL;
+
+ /* Our caller closed the objfile, possibly via objfile_purge_solibs. */
+ so->symbols_loaded = 0;
+ so->objfile = NULL;
+
+ so->addr_low = so->addr_high = 0;
+
+ /* Restore the target-supplied file name. SO_NAME may be the path
+ of the symbol file. */
+ strcpy (so->so_name, so->so_original_name);
}
/* LOCAL FUNCTION
free_so (struct so_list *so)
{
struct target_so_ops *ops = solib_ops (target_gdbarch);
- char *bfd_filename = 0;
-
- if (so->sections)
- xfree (so->sections);
-
- if (so->abfd)
- {
- bfd_filename = bfd_get_filename (so->abfd);
- if (! bfd_close (so->abfd))
- warning (_("cannot close \"%s\": %s"),
- bfd_filename, bfd_errmsg (bfd_get_error ()));
- }
-
- if (bfd_filename)
- xfree (bfd_filename);
+ free_so_symbols (so);
ops->free_so (so);
xfree (so);
return so_list_head;
}
-
-/* A small stub to get us past the arg-passing pinhole of catch_errors. */
-
-static int
-symbol_add_stub (void *arg)
-{
- struct so_list *so = (struct so_list *) arg; /* catch_errs bogon */
- struct section_addr_info *sap;
-
- /* Have we already loaded this shared object? */
- ALL_OBJFILES (so->objfile)
- {
- if (strcmp (so->objfile->name, so->so_name) == 0)
- return 1;
- }
-
- sap = build_section_addr_info_from_section_table (so->sections,
- so->sections_end);
-
- so->objfile = symbol_file_add_from_bfd (so->abfd, so->from_tty,
- sap, 0, OBJF_SHARED | OBJF_KEEPBFD);
- free_section_addr_info (sap);
-
- return (1);
-}
-
-/* Read in symbols for shared object SO. If FROM_TTY is non-zero, be
- chatty about it. Return non-zero if any symbols were actually
+/* Read in symbols for shared object SO. If SYMFILE_VERBOSE is set in FLAGS,
+ be chatty about it. Return non-zero if any symbols were actually
loaded. */
int
-solib_read_symbols (struct so_list *so, int from_tty)
+solib_read_symbols (struct so_list *so, int flags)
{
+ const int from_tty = flags & SYMFILE_VERBOSE;
+
if (so->symbols_loaded)
{
- if (from_tty)
- printf_unfiltered (_("Symbols already loaded for %s\n"), so->so_name);
+ /* If needed, we've already warned in our caller. */
}
else if (so->abfd == NULL)
{
- if (from_tty)
- printf_unfiltered (_("Symbol file not found for %s\n"), so->so_name);
+ /* We've already warned about this library, when trying to open
+ it. */
}
else
{
- if (catch_errors (symbol_add_stub, so,
- "Error while reading shared library symbols:\n",
- RETURN_MASK_ALL))
+ volatile struct gdb_exception e;
+
+ TRY_CATCH (e, RETURN_MASK_ERROR)
{
- if (from_tty && print_symbol_loading)
+ struct section_addr_info *sap;
+
+ /* Have we already loaded this shared object? */
+ ALL_OBJFILES (so->objfile)
+ {
+ if (strcmp (so->objfile->name, so->so_name) == 0)
+ break;
+ }
+ if (so->objfile != NULL)
+ break;
+
+ 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);
+ free_section_addr_info (sap);
+ }
+
+ if (e.reason < 0)
+ {
+ if (from_tty)
+ exception_fprintf
+ (gdb_stderr, e,
+ _("Error while reading shared library symbols:\n"));
+ }
+ else
+ {
+ if (from_tty || info_verbose)
printf_unfiltered (_("Loaded symbols for %s\n"), so->so_name);
so->symbols_loaded = 1;
- return 1;
}
+ return 1;
}
return 0;
to GDB's shared object list. */
if (inferior)
{
+ int not_found = 0;
+ const char *not_found_filename = NULL;
+
struct so_list *i;
/* Add the new shared objects to GDB's list. */
/* Fill in the rest of each of the `struct so_list' nodes. */
for (i = inferior; i; i = i->next)
{
- i->from_tty = from_tty;
-
- /* Fill in the rest of the `struct so_list' node. */
- catch_errors (solib_map_sections, i,
- "Error while mapping shared library sections:\n",
- RETURN_MASK_ALL);
-
- /* If requested, add the shared object's sections to the TARGET's
- section table. Do this immediately after mapping the object so
- that later nodes in the list can query this object, as is needed
- in solib-osf.c. */
- if (target)
+ volatile struct gdb_exception e;
+
+ i->pspace = current_program_space;
+
+ TRY_CATCH (e, RETURN_MASK_ERROR)
{
- int count = (i->sections_end - i->sections);
- if (count > 0)
+ /* Fill in the rest of the `struct so_list' node. */
+ if (!solib_map_sections (i))
{
- int space = target_resize_to_sections (target, count);
- memcpy (target->to_sections + space,
- i->sections,
- count * sizeof (i->sections[0]));
+ not_found++;
+ if (not_found_filename == NULL)
+ not_found_filename = i->so_original_name;
}
}
+ if (e.reason < 0)
+ 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. */
+ loaded now that we've added it to GDB's tables. */
observer_notify_solib_loaded (i);
}
+
+ /* If a library was not found, issue an appropriate warning
+ message. We have to use a single call to warning in case the
+ front end does something special with warnings, e.g., pop up
+ a dialog box. It Would Be Nice if we could get a "warning: "
+ prefix on each line in the CLI front end, though - it doesn't
+ 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\"?"),
+ not_found_filename);
+ else if (not_found > 1)
+ warning (_("\
+Could not load shared library symbols for %d libraries, e.g. %s.\n\
+Use the \"info sharedlibrary\" command to see the complete listing.\n\
+Do you need \"set solib-search-path\" or \"set sysroot\"?"),
+ not_found, not_found_filename);
}
}
-/* Return non-zero if SO is the libpthread shared library.
+
+/* Return non-zero if NAME is the libpthread shared library.
Uses a fairly simplistic heuristic approach where we check
the file name against "/libpthread". This can lead to false
positives, but this should be good enough in practice. */
+int
+libpthread_name_p (const char *name)
+{
+ return (strstr (name, "/libpthread") != NULL);
+}
+
+/* Return non-zero if SO is the libpthread shared library. */
+
static int
libpthread_solib_p (struct so_list *so)
{
- return (strstr (so->so_name, "/libpthread") != NULL);
+ return libpthread_name_p (so->so_name);
}
/* GLOBAL FUNCTION
{
int any_matches = 0;
int loaded_any_symbols = 0;
+ const int flags =
+ SYMFILE_DEFER_BP_RESET | (from_tty ? SYMFILE_VERBOSE : 0);
for (gdb = so_list_head; gdb; gdb = gdb->next)
if (! pattern || re_exec (gdb->so_name))
(readsyms || libpthread_solib_p (gdb));
any_matches = 1;
- if (add_this_solib && solib_read_symbols (gdb, from_tty))
- loaded_any_symbols = 1;
+ if (add_this_solib)
+ {
+ if (gdb->symbols_loaded)
+ {
+ /* If no pattern was given, be quiet for shared
+ libraries we have already loaded. */
+ if (pattern && (from_tty || info_verbose))
+ printf_unfiltered (_("Symbols already loaded for %s\n"),
+ gdb->so_name);
+ }
+ else if (solib_read_symbols (gdb, flags))
+ loaded_any_symbols = 1;
+ }
}
+ if (loaded_any_symbols)
+ breakpoint_re_set ();
+
if (from_tty && pattern && ! any_matches)
printf_unfiltered
("No loaded shared libraries match the pattern `%s'.\n", pattern);
DESCRIPTION
Walk through the shared library list and print information
- about each attached library.
+ about each attached library matching PATTERN. If PATTERN is elided,
+ print them all.
*/
static void
-info_sharedlibrary_command (char *ignore, int from_tty)
+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;
+ struct cleanup *table_cleanup;
+ struct gdbarch *gdbarch = target_gdbarch;
+
+ if (pattern)
+ {
+ char *re_err = re_comp (pattern);
+
+ if (re_err)
+ error (_("Invalid regexp: %s"), re_err);
+ }
/* "0x", a little whitespace, and two hex digits per byte of pointers. */
- addr_width = 4 + (gdbarch_ptr_bit (target_gdbarch) / 4);
+ addr_width = 4 + (gdbarch_ptr_bit (gdbarch) / 4);
update_solib_list (from_tty, 0);
- for (so = so_list_head; so; so = so->next)
+ /* make_cleanup_ui_out_table_begin_end needs to know the number of
+ rows, so we need to make two passes over the libs. */
+
+ for (nr_libs = 0, so = so_list_head; so; so = so->next)
{
if (so->so_name[0])
{
- if (!header_done)
- {
- printf_unfiltered ("%-*s%-*s%-12s%s\n", addr_width, "From",
- addr_width, "To", "Syms Read",
- "Shared Object Library");
- header_done++;
- }
+ if (pattern && ! re_exec (so->so_name))
+ continue;
+ ++nr_libs;
+ }
+ }
+
+ table_cleanup =
+ make_cleanup_ui_out_table_begin_end (uiout, 4, nr_libs,
+ "SharedLibraryTable");
+
+ /* The "- 1" is because ui_out adds one space between columns. */
+ ui_out_table_header (uiout, addr_width - 1, ui_left, "from", "From");
+ ui_out_table_header (uiout, addr_width - 1, ui_left, "to", "To");
+ ui_out_table_header (uiout, 12 - 1, ui_left, "syms-read", "Syms Read");
+ ui_out_table_header (uiout, 0, ui_noalign,
+ "name", "Shared Object Library");
- printf_unfiltered ("%-*s", addr_width,
- so->addr_high != 0
- ? hex_string_custom (
- (LONGEST) so->addr_low,
- addr_width - 4)
- : "");
- printf_unfiltered ("%-*s", addr_width,
- so->addr_high != 0
- ? hex_string_custom (
- (LONGEST) so->addr_high,
- addr_width - 4)
- : "");
- printf_unfiltered ("%-12s", so->symbols_loaded ? "Yes" : "No");
- printf_unfiltered ("%s\n", so->so_name);
+ ui_out_table_body (uiout);
+
+ for (so = so_list_head; so; so = so->next)
+ {
+ struct cleanup *lib_cleanup;
+
+ if (! so->so_name[0])
+ continue;
+ if (pattern && ! re_exec (so->so_name))
+ continue;
+
+ lib_cleanup = make_cleanup_ui_out_tuple_begin_end (uiout, "lib");
+
+ if (so->addr_high != 0)
+ {
+ ui_out_field_core_addr (uiout, "from", gdbarch, so->addr_low);
+ ui_out_field_core_addr (uiout, "to", gdbarch, so->addr_high);
}
+ else
+ {
+ ui_out_field_skip (uiout, "from");
+ ui_out_field_skip (uiout, "to");
+ }
+
+ if (! ui_out_is_mi_like_p (interp_ui_out (top_level_interpreter ()))
+ && so->symbols_loaded
+ && !objfile_has_symbols (so->objfile))
+ {
+ so_missing_debug_info = 1;
+ ui_out_field_string (uiout, "syms-read", "Yes (*)");
+ }
+ else
+ ui_out_field_string (uiout, "syms-read",
+ so->symbols_loaded ? "Yes" : "No");
+
+ ui_out_field_string (uiout, "name", so->so_name);
+
+ ui_out_text (uiout, "\n");
+
+ do_cleanups (lib_cleanup);
}
- if (so_list_head == NULL)
+
+ do_cleanups (table_cleanup);
+
+ if (nr_libs == 0)
{
- printf_unfiltered (_("No shared libraries loaded at this time.\n"));
+ if (pattern)
+ ui_out_message (uiout, 0,
+ _("No shared libraries matched.\n"));
+ else
+ ui_out_message (uiout, 0,
+ _("No shared libraries loaded at this time.\n"));
}
+ else
+ {
+ if (so_missing_debug_info)
+ ui_out_message (uiout, 0,
+ _("(*): Shared library is missing debugging information.\n"));
+ }
+}
+
+/* Return 1 if ADDRESS lies within SOLIB. */
+
+int
+solib_contains_address_p (const struct so_list *const solib,
+ CORE_ADDR address)
+{
+ struct target_section *p;
+
+ for (p = solib->sections; p < solib->sections_end; p++)
+ if (p->addr <= address && address < p->endaddr)
+ return 1;
+
+ return 0;
}
/*
*/
char *
-solib_name_from_address (CORE_ADDR address)
+solib_name_from_address (struct program_space *pspace, CORE_ADDR address)
{
- struct so_list *so = 0; /* link map state variable */
+ struct so_list *so = NULL;
- for (so = so_list_head; so; so = so->next)
- {
- struct section_table *p;
-
- for (p = so->sections; p < so->sections_end; p++)
- {
- if (p->addr <= address && address < p->endaddr)
- return (so->so_name);
- }
- }
+ for (so = pspace->so_list; so; so = so->next)
+ if (solib_contains_address_p (so, address))
+ return (so->so_name);
return (0);
}
+/* Return whether the data starting at VADDR, size SIZE, 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
+solib_keep_data_in_core (CORE_ADDR vaddr, unsigned long size)
+{
+ struct target_so_ops *ops = solib_ops (target_gdbarch);
+
+ if (ops->keep_data_in_core)
+ return ops->keep_data_in_core (vaddr, size);
+ else
+ return 0;
+}
+
/* Called by free_all_symtabs */
void
SYNOPSIS
- void solib_create_inferior_hook ()
+ void solib_create_inferior_hook (int from_tty)
DESCRIPTION
SOLIB_CREATE_INFERIOR_HOOK. */
void
-solib_create_inferior_hook (void)
+solib_create_inferior_hook (int from_tty)
{
struct target_so_ops *ops = solib_ops (target_gdbarch);
- ops->solib_create_inferior_hook();
+ ops->solib_create_inferior_hook (from_tty);
}
/* GLOBAL FUNCTION
objfile_purge_solibs ();
}
+/* Reload shared libraries, but avoid reloading the same symbol file
+ we already have loaded. */
+
+static void
+reload_shared_libraries_1 (int from_tty)
+{
+ struct so_list *so;
+ struct cleanup *old_chain = make_cleanup (null_cleanup, NULL);
+
+ for (so = so_list_head; so != NULL; so = so->next)
+ {
+ 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);
+ abfd = solib_bfd_open (filename);
+ if (abfd != NULL)
+ {
+ found_pathname = xstrdup (bfd_get_filename (abfd));
+ make_cleanup (xfree, found_pathname);
+ gdb_bfd_close_or_warn (abfd);
+ }
+
+ /* If this shared library is no longer associated with its previous
+ symbol file, close that. */
+ if ((found_pathname == NULL && was_loaded)
+ || (found_pathname != NULL
+ && strcmp (found_pathname, so->so_name) != 0))
+ {
+ if (so->objfile && ! (so->objfile->flags & OBJF_USERLOADED))
+ free_objfile (so->objfile);
+ remove_target_sections (so->abfd);
+ free_so_symbols (so);
+ }
+
+ /* If this shared library is now associated with a new symbol
+ file, open it. */
+ if (found_pathname != NULL
+ && (!was_loaded
+ || strcmp (found_pathname, so->so_name) != 0))
+ {
+ volatile struct gdb_exception e;
+
+ TRY_CATCH (e, RETURN_MASK_ERROR)
+ solib_map_sections (so);
+
+ if (e.reason < 0)
+ 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);
+ }
+ }
+
+ do_cleanups (old_chain);
+}
+
static void
reload_shared_libraries (char *ignored, int from_tty,
struct cmd_list_element *e)
{
- no_shared_libraries (NULL, from_tty);
- solib_add (NULL, from_tty, NULL, auto_solib_add);
+ struct target_so_ops *ops;
+
+ reload_shared_libraries_1 (from_tty);
+
+ ops = solib_ops (target_gdbarch);
+
+ /* 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
+ breakpoint address is plain wrong. Second, installing solib hooks
+ also implicitly figures were ld.so is and loads symbols for it.
+ Absent this call, if we've just connected to a target and set
+ solib-absolute-prefix or solib-search-path, we'll lose all information
+ about ld.so. */
+ if (target_has_execution)
+ {
+ /* Reset or free private data structures not associated with
+ so_list entries. */
+ ops->clear_solib ();
+
+ /* Remove any previous solib event breakpoint. This is usually
+ done in common code, at breakpoint_init_inferior time, but
+ we're not really starting up the inferior here. */
+ remove_solib_event_breakpoints ();
+
+#ifdef SOLIB_CREATE_INFERIOR_HOOK
+ SOLIB_CREATE_INFERIOR_HOOK (PIDGET (inferior_ptid));
+#else
+ solib_create_inferior_hook (from_tty);
+#endif
+ }
+
+ /* Sometimes the platform-specific hook loads initial shared
+ libraries, and sometimes it doesn't. If it doesn't FROM_TTY will be
+ incorrectly 0 but such solib targets should be fixed anyway. If we
+ made all the inferior hook methods consistent, this call could be
+ removed. Call it only after the solib target has been initialized by
+ solib_create_inferior_hook. */
+
+ solib_add (NULL, 0, NULL, auto_solib_add);
+
+ breakpoint_re_set ();
+
+ /* We may have loaded or unloaded debug info for some (or all)
+ shared libraries. However, frames may still reference them. For
+ example, a frame's unwinder might still point at DWARF FDE
+ structures that are now freed. Also, getting new symbols may
+ change our opinion about what is frameless. */
+ reinit_frame_cache ();
+
+ ops->special_symbol_handling ();
}
static void
struct symbol *
solib_global_lookup (const struct objfile *objfile,
const char *name,
- const char *linkage_name,
const domain_enum domain)
{
struct target_so_ops *ops = solib_ops (target_gdbarch);
if (ops->lookup_lib_global_symbol != NULL)
- return ops->lookup_lib_global_symbol (objfile, name, linkage_name, domain);
+ return ops->lookup_lib_global_symbol (objfile, name, domain);
return NULL;
}
projects / deliverable / binutils-gdb.git / blobdiff