static void svr4_relocate_main_executable (void);
static void svr4_free_library_list (void *p_list);
static void probes_table_remove_objfile_probes (struct objfile *objfile);
-static void svr4_iterate_over_objfiles_in_search_order (
- struct gdbarch *gdbarch, iterate_over_objfiles_in_search_order_cb_ftype *cb,
- void *cb_data, struct objfile *objfile);
+static void svr4_iterate_over_objfiles_in_search_order
+ (gdbarch *gdbarch, iterate_over_objfiles_in_search_order_cb_ftype cb,
+ objfile *current_objfile);
/* On SVR4 systems, a list of symbols in the dynamic linker where
};
/* Per-program-space data key. */
-static const struct program_space_key<svr4_info> solib_svr4_pspace_data;
+static const registry<program_space>::key<svr4_info> solib_svr4_pspace_data;
/* Free the probes table. */
msymbol = lookup_minimal_symbol ("_r_debug", NULL,
current_program_space->symfile_object_file);
if (msymbol.minsym != NULL)
- return BMSYMBOL_VALUE_ADDRESS (msymbol);
+ return msymbol.value_address ();
/* DT_DEBUG entry not found. */
return 0;
if (objfile == current_program_space->symfile_object_file)
return info->main_lm_addr;
- /* If OBJFILE is a separate debug object file, look for the
- original object file. */
- if (objfile->separate_debug_objfile_backlink != NULL)
- objfile = objfile->separate_debug_objfile_backlink;
-
/* The other link map addresses may be found by examining the list
of shared libraries. */
for (struct so_list *so : current_program_space->solibs ())
bfd *tmp_bfd;
CORE_ADDR load_addr;
- tmp_bfd = os->objfile->obfd;
+ tmp_bfd = os->objfile->obfd.get ();
load_addr = os->objfile->text_section_offset ();
interp_sect = bfd_get_section_by_name (tmp_bfd, ".text");
{
msymbol = lookup_minimal_symbol (*bkpt_namep, NULL, objf);
if ((msymbol.minsym != NULL)
- && (BMSYMBOL_VALUE_ADDRESS (msymbol) != 0))
+ && (msymbol.value_address () != 0))
{
- sym_addr = BMSYMBOL_VALUE_ADDRESS (msymbol);
+ sym_addr = msymbol.value_address ();
sym_addr = gdbarch_convert_from_func_ptr_addr
(target_gdbarch (), sym_addr, current_inferior ()->top_target ());
svr4_create_solib_event_breakpoints (info, target_gdbarch (),
{
msymbol = lookup_minimal_symbol (*bkpt_namep, NULL, objf);
if ((msymbol.minsym != NULL)
- && (BMSYMBOL_VALUE_ADDRESS (msymbol) != 0))
+ && (msymbol.value_address () != 0))
{
- sym_addr = BMSYMBOL_VALUE_ADDRESS (msymbol);
+ sym_addr = msymbol.value_address ();
sym_addr = gdbarch_convert_from_func_ptr_addr
(target_gdbarch (), sym_addr,
current_inferior ()->top_target ());
/* Architecture-specific operations. */
-/* Per-architecture data key. */
-static struct gdbarch_data *solib_svr4_data;
-
struct solib_svr4_ops
{
/* Return a description of the layout of `struct link_map'. */
- struct link_map_offsets *(*fetch_link_map_offsets)(void);
+ struct link_map_offsets *(*fetch_link_map_offsets)(void) = nullptr;
};
+/* Per-architecture data key. */
+static const registry<gdbarch>::key<struct solib_svr4_ops> solib_svr4_data;
+
/* Return a default for the architecture-specific operations. */
-static void *
-solib_svr4_init (struct obstack *obstack)
+static struct solib_svr4_ops *
+get_ops (struct gdbarch *gdbarch)
{
- struct solib_svr4_ops *ops;
-
- ops = OBSTACK_ZALLOC (obstack, struct solib_svr4_ops);
- ops->fetch_link_map_offsets = NULL;
+ struct solib_svr4_ops *ops = solib_svr4_data.get (gdbarch);
+ if (ops == nullptr)
+ ops = solib_svr4_data.emplace (gdbarch);
return ops;
}
set_solib_svr4_fetch_link_map_offsets (struct gdbarch *gdbarch,
struct link_map_offsets *(*flmo) (void))
{
- struct solib_svr4_ops *ops
- = (struct solib_svr4_ops *) gdbarch_data (gdbarch, solib_svr4_data);
+ struct solib_svr4_ops *ops = get_ops (gdbarch);
ops->fetch_link_map_offsets = flmo;
- set_solib_ops (gdbarch, &svr4_so_ops);
+ set_gdbarch_so_ops (gdbarch, &svr4_so_ops);
set_gdbarch_iterate_over_objfiles_in_search_order
(gdbarch, svr4_iterate_over_objfiles_in_search_order);
}
static struct link_map_offsets *
svr4_fetch_link_map_offsets (void)
{
- struct solib_svr4_ops *ops
- = (struct solib_svr4_ops *) gdbarch_data (target_gdbarch (),
- solib_svr4_data);
+ struct solib_svr4_ops *ops = get_ops (target_gdbarch ());
gdb_assert (ops->fetch_link_map_offsets);
return ops->fetch_link_map_offsets ();
static int
svr4_have_link_map_offsets (void)
{
- struct solib_svr4_ops *ops
- = (struct solib_svr4_ops *) gdbarch_data (target_gdbarch (),
- solib_svr4_data);
+ struct solib_svr4_ops *ops = get_ops (target_gdbarch ());
return (ops->fetch_link_map_offsets != NULL);
}
}
\f
-struct target_so_ops svr4_so_ops;
-
/* Search order for ELF DSOs linked with -Bsymbolic. Those DSOs have a
different rule for symbol lookup. The lookup begins here in the DSO, not in
the main executable. */
static void
svr4_iterate_over_objfiles_in_search_order
- (struct gdbarch *gdbarch,
- iterate_over_objfiles_in_search_order_cb_ftype *cb,
- void *cb_data, struct objfile *current_objfile)
+ (gdbarch *gdbarch, iterate_over_objfiles_in_search_order_cb_ftype cb,
+ objfile *current_objfile)
{
bool checked_current_objfile = false;
if (current_objfile != nullptr)
if (current_objfile == current_program_space->symfile_object_file)
abfd = current_program_space->exec_bfd ();
else
- abfd = current_objfile->obfd;
+ abfd = current_objfile->obfd.get ();
if (abfd != nullptr
&& gdb_bfd_scan_elf_dyntag (DT_SYMBOLIC, abfd, nullptr, nullptr) == 1)
{
checked_current_objfile = true;
- if (cb (current_objfile, cb_data) != 0)
+ if (cb (current_objfile))
return;
}
}
{
if (checked_current_objfile && objfile == current_objfile)
continue;
- if (cb (objfile, cb_data) != 0)
+ if (cb (objfile))
return;
}
}
+const struct target_so_ops svr4_so_ops =
+{
+ svr4_relocate_section_addresses,
+ svr4_free_so,
+ svr4_clear_so,
+ svr4_clear_solib,
+ svr4_solib_create_inferior_hook,
+ svr4_current_sos,
+ open_symbol_file_object,
+ svr4_in_dynsym_resolve_code,
+ solib_bfd_open,
+ nullptr,
+ svr4_same,
+ svr4_keep_data_in_core,
+ svr4_update_solib_event_breakpoints,
+ svr4_handle_solib_event,
+};
+
void _initialize_svr4_solib ();
void
_initialize_svr4_solib ()
{
- solib_svr4_data = gdbarch_data_register_pre_init (solib_svr4_init);
-
- svr4_so_ops.relocate_section_addresses = svr4_relocate_section_addresses;
- svr4_so_ops.free_so = svr4_free_so;
- svr4_so_ops.clear_so = svr4_clear_so;
- svr4_so_ops.clear_solib = svr4_clear_solib;
- svr4_so_ops.solib_create_inferior_hook = svr4_solib_create_inferior_hook;
- svr4_so_ops.current_sos = svr4_current_sos;
- svr4_so_ops.open_symbol_file_object = open_symbol_file_object;
- svr4_so_ops.in_dynsym_resolve_code = svr4_in_dynsym_resolve_code;
- svr4_so_ops.bfd_open = solib_bfd_open;
- svr4_so_ops.same = svr4_same;
- svr4_so_ops.keep_data_in_core = svr4_keep_data_in_core;
- svr4_so_ops.update_breakpoints = svr4_update_solib_event_breakpoints;
- svr4_so_ops.handle_event = svr4_handle_solib_event;
-
gdb::observers::free_objfile.attach (svr4_free_objfile_observer,
"solib-svr4");
}
projects / binutils-gdb.git / blobdiff