* jv-lang.c (jv_type_objfile_data_key, dynamics_objfile)

(class_symtab): Remove.
	(jv_dynamics_progspace_key): New global.
	(jv_per_objfile_free): Reset program space data.  Update assert.
	Don't clear globals.
	(get_dynamics_objfile): Use and set program space data.
	(get_java_class_symtab): Use get_dynamics_objfile.
	(add_class_symbol): Likewise.
	(java_link_class_type): Likewise.
	(java_object_type, jv_clear_object_type, set_java_object_type):
	Remove.
	(get_java_object_type): Update.  Don't cache result.
	(is_object_type): Don't call set_java_object_type.
	(_initialize_java_language): Don't set jv_type_objfile_data_key;
	initialize jv_dynamics_progspace_key.
This commit is contained in:
Tom Tromey 2011-06-14 18:44:40 +00:00
parent 91a81f6972
commit 86cc002925
2 changed files with 51 additions and 56 deletions

View file

@ -1,3 +1,21 @@
2011-06-14 Tom Tromey <tromey@redhat.com>
* jv-lang.c (jv_type_objfile_data_key, dynamics_objfile)
(class_symtab): Remove.
(jv_dynamics_progspace_key): New global.
(jv_per_objfile_free): Reset program space data. Update assert.
Don't clear globals.
(get_dynamics_objfile): Use and set program space data.
(get_java_class_symtab): Use get_dynamics_objfile.
(add_class_symbol): Likewise.
(java_link_class_type): Likewise.
(java_object_type, jv_clear_object_type, set_java_object_type):
Remove.
(get_java_object_type): Update. Don't cache result.
(is_object_type): Don't call set_java_object_type.
(_initialize_java_language): Don't set jv_type_objfile_data_key;
initialize jv_dynamics_progspace_key.
2011-06-14 Tom Tromey <tromey@redhat.com>
* symtab.h (current_objfile): Don't declare.

View file

@ -57,17 +57,11 @@ static void java_emit_char (int c, struct type *type,
static char *java_class_name_from_physname (const char *physname);
static const struct objfile_data *jv_dynamics_objfile_data_key;
static const struct objfile_data *jv_type_objfile_data_key;
/* This objfile contains symtabs that have been dynamically created
to record dynamically loaded Java classes and dynamically
compiled java methods. */
/* The dynamic objfile is kept per-program-space. This key lets us
associate the objfile with the program space. */
static struct objfile *dynamics_objfile = NULL;
/* symtab contains classes read from the inferior. */
static struct symtab *class_symtab = NULL;
static const struct program_space_data *jv_dynamics_progspace_key;
static struct type *java_link_class_type (struct gdbarch *,
struct type *, struct value *);
@ -87,15 +81,19 @@ static void
jv_per_objfile_free (struct objfile *objfile, void *data)
{
struct jv_per_objfile_data *jv_data = data;
struct objfile *dynamics_objfile;
dynamics_objfile = program_space_data (current_program_space,
jv_dynamics_progspace_key);
gdb_assert (objfile == dynamics_objfile);
/* Clean up all our cached state. */
dynamics_objfile = NULL;
class_symtab = NULL;
if (jv_data->dict)
dict_free (jv_data->dict);
xfree (jv_data);
set_program_space_data (current_program_space,
jv_dynamics_progspace_key,
NULL);
}
/* FIXME: carlton/2003-02-04: This is the main or only caller of
@ -107,6 +105,11 @@ jv_per_objfile_free (struct objfile *objfile, void *data)
static struct objfile *
get_dynamics_objfile (struct gdbarch *gdbarch)
{
struct objfile *dynamics_objfile;
dynamics_objfile = program_space_data (current_program_space,
jv_dynamics_progspace_key);
if (dynamics_objfile == NULL)
{
struct jv_per_objfile_data *data;
@ -118,6 +121,10 @@ get_dynamics_objfile (struct gdbarch *gdbarch)
data = XCNEW (struct jv_per_objfile_data);
set_objfile_data (dynamics_objfile, jv_dynamics_objfile_data_key, data);
set_program_space_data (current_program_space,
jv_dynamics_progspace_key,
dynamics_objfile);
}
return dynamics_objfile;
}
@ -125,9 +132,11 @@ get_dynamics_objfile (struct gdbarch *gdbarch)
static struct symtab *
get_java_class_symtab (struct gdbarch *gdbarch)
{
struct objfile *objfile = get_dynamics_objfile (gdbarch);
struct symtab *class_symtab = objfile->symtabs;
if (class_symtab == NULL)
{
struct objfile *objfile = get_dynamics_objfile (gdbarch);
struct blockvector *bv;
struct block *bl;
struct jv_per_objfile_data *jv_data;
@ -172,9 +181,10 @@ static struct symbol *
add_class_symbol (struct type *type, CORE_ADDR addr)
{
struct symbol *sym;
struct objfile *objfile = get_dynamics_objfile (get_type_arch (type));
sym = (struct symbol *)
obstack_alloc (&dynamics_objfile->objfile_obstack, sizeof (struct symbol));
obstack_alloc (&objfile->objfile_obstack, sizeof (struct symbol));
memset (sym, 0, sizeof (struct symbol));
SYMBOL_SET_LANGUAGE (sym, language_java);
SYMBOL_SET_LINKAGE_NAME (sym, TYPE_TAG_NAME (type));
@ -492,7 +502,7 @@ java_link_class_type (struct gdbarch *gdbarch,
TYPE_NFN_FIELDS_TOTAL (type) = nmethods;
j = nmethods * sizeof (struct fn_field);
fn_fields = (struct fn_field *)
obstack_alloc (&dynamics_objfile->objfile_obstack, j);
obstack_alloc (&objfile->objfile_obstack, j);
memset (fn_fields, 0, j);
fn_fieldlists = (struct fn_fieldlist *)
alloca (nmethods * sizeof (struct fn_fieldlist));
@ -571,49 +581,21 @@ java_link_class_type (struct gdbarch *gdbarch,
j = TYPE_NFN_FIELDS (type) * sizeof (struct fn_fieldlist);
TYPE_FN_FIELDLISTS (type) = (struct fn_fieldlist *)
obstack_alloc (&dynamics_objfile->objfile_obstack, j);
obstack_alloc (&objfile->objfile_obstack, j);
memcpy (TYPE_FN_FIELDLISTS (type), fn_fieldlists, j);
return type;
}
static struct type *java_object_type;
/* A free function that is attached to the objfile defining
java_object_type. This is used to clear the cached type whenever
its owning objfile is destroyed. */
static void
jv_clear_object_type (struct objfile *objfile, void *ignore)
{
java_object_type = NULL;
}
static void
set_java_object_type (struct type *type)
{
struct objfile *owner;
gdb_assert (java_object_type == NULL);
owner = TYPE_OBJFILE (type);
if (owner)
set_objfile_data (owner, jv_type_objfile_data_key, &java_object_type);
java_object_type = type;
}
struct type *
get_java_object_type (void)
{
if (java_object_type == NULL)
{
struct symbol *sym;
struct symbol *sym;
sym = lookup_symbol ("java.lang.Object", NULL, STRUCT_DOMAIN, NULL);
if (sym == NULL)
error (_("cannot find java.lang.Object"));
set_java_object_type (SYMBOL_TYPE (sym));
}
return java_object_type;
sym = lookup_symbol ("java.lang.Object", NULL, STRUCT_DOMAIN, NULL);
if (sym == NULL)
error (_("cannot find java.lang.Object"));
return SYMBOL_TYPE (sym);
}
int
@ -645,11 +627,7 @@ is_object_type (struct type *type)
name
= TYPE_NFIELDS (ttype) > 0 ? TYPE_FIELD_NAME (ttype, 0) : (char *) 0;
if (name != NULL && strcmp (name, "vtable") == 0)
{
if (java_object_type == NULL)
set_java_object_type (type);
return 1;
}
return 1;
}
return 0;
}
@ -1237,8 +1215,7 @@ _initialize_java_language (void)
{
jv_dynamics_objfile_data_key
= register_objfile_data_with_cleanup (NULL, jv_per_objfile_free);
jv_type_objfile_data_key
= register_objfile_data_with_cleanup (NULL, jv_clear_object_type);
jv_dynamics_progspace_key = register_program_space_data ();
java_type_data = gdbarch_data_register_post_init (build_java_types);