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* jv-lang.c (jv_dynamics_objfile_data_key)
(jv_type_objfile_data_key): New globals. (class_symtab): Move earlier. (jv_per_objfile_free): New function. (get_dynamics_objfile): Call set_objfile_data. Add 'gdbarch' parameter. Remove ancient #if 1. (add_class_symbol): Remove redundant declaration. (java_lookup_class): Use alloc_type, not alloc_type_arch. (java_link_class_type): Mark as static. Update. (jv_clear_object_type): New function. (set_java_object_type): Likewise. (get_java_object_type): Use set_java_object_type. (is_object_type): Likewise. (_initialize_java_language): Register new objfile keys. (get_java_class_symtab): Add 'gdbarch' parameter. (add_class_symtab_symbol): Update. (type_from_class): Update.
This commit is contained in:
Tom Tromey
parent
cf3e25cabf
commit
2078179266
@ -1,3 +1,24 @@
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2010-03-19 Tom Tromey <tromey@redhat.com>
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* jv-lang.c (jv_dynamics_objfile_data_key)
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(jv_type_objfile_data_key): New globals.
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(class_symtab): Move earlier.
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(jv_per_objfile_free): New function.
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(get_dynamics_objfile): Call set_objfile_data. Add 'gdbarch'
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parameter.
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Remove ancient #if 1.
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(add_class_symbol): Remove redundant declaration.
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(java_lookup_class): Use alloc_type, not alloc_type_arch.
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(java_link_class_type): Mark as static. Update.
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(jv_clear_object_type): New function.
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(set_java_object_type): Likewise.
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(get_java_object_type): Use set_java_object_type.
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(is_object_type): Likewise.
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(_initialize_java_language): Register new objfile keys.
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(get_java_class_symtab): Add 'gdbarch' parameter.
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(add_class_symtab_symbol): Update.
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(type_from_class): Update.
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2010-03-19 Stan Shebs <stan@codesourcery.com>
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* ax-general.c (ax_const_l): Fix a sizing bug.
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@ -46,7 +46,7 @@ extern void _initialize_java_language (void);
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static int java_demangled_signature_length (char *);
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static void java_demangled_signature_copy (char *, char *);
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static struct symtab *get_java_class_symtab (void);
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static struct symtab *get_java_class_symtab (struct gdbarch *gdbarch);
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static char *get_java_utf8_name (struct obstack *obstack, struct value *name);
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static int java_class_is_primitive (struct value *clas);
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static struct value *java_value_string (char *ptr, int len);
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@ -56,15 +56,35 @@ static void java_emit_char (int c, struct type *type,
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static char *java_class_name_from_physname (const char *physname);
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static const struct objfile_data *jv_dynamics_objfile_data_key;
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static const struct objfile_data *jv_type_objfile_data_key;
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/* This objfile contains symtabs that have been dynamically created
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to record dynamically loaded Java classes and dynamically
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compiled java methods. */
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static struct objfile *dynamics_objfile = NULL;
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/* symtab contains classes read from the inferior. */
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static struct symtab *class_symtab = NULL;
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static struct type *java_link_class_type (struct gdbarch *,
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struct type *, struct value *);
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/* A function called when the dynamics_objfile is freed. We use this
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to clean up some internal state. */
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static void
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jv_per_objfile_free (struct objfile *objfile, void *ignore)
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{
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gdb_assert (objfile == dynamics_objfile);
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/* Clean up all our cached state. These objects are all allocated
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in the dynamics_objfile, so we don't need to actually free
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anything. */
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dynamics_objfile = NULL;
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class_symtab = NULL;
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}
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/* FIXME: carlton/2003-02-04: This is the main or only caller of
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allocate_objfile with first argument NULL; as a result, this code
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breaks every so often. Somebody should write a test case that
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@ -72,28 +92,32 @@ static struct type *java_link_class_type (struct gdbarch *,
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dynamic library) after this code has been called. */
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static struct objfile *
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get_dynamics_objfile (void)
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get_dynamics_objfile (struct gdbarch *gdbarch)
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{
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if (dynamics_objfile == NULL)
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{
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dynamics_objfile = allocate_objfile (NULL, 0);
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/* Mark it as shared so that it is cleared when the inferior is
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re-run. */
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dynamics_objfile = allocate_objfile (NULL, OBJF_SHARED);
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dynamics_objfile->gdbarch = gdbarch;
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/* We don't have any data to store, but this lets us get a
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notification when the objfile is destroyed. Since we have to
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store a non-NULL value, we just pick something arbitrary and
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safe. */
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set_objfile_data (dynamics_objfile, jv_dynamics_objfile_data_key,
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&dynamics_objfile);
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}
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return dynamics_objfile;
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}
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#if 1
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/* symtab contains classes read from the inferior. */
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static struct symtab *class_symtab = NULL;
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static void free_class_block (struct symtab *symtab);
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static struct symtab *
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get_java_class_symtab (void)
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get_java_class_symtab (struct gdbarch *gdbarch)
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{
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if (class_symtab == NULL)
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{
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struct objfile *objfile = get_dynamics_objfile ();
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struct objfile *objfile = get_dynamics_objfile (gdbarch);
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struct blockvector *bv;
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struct block *bl;
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class_symtab = allocate_symtab ("<java-classes>", objfile);
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@ -122,13 +146,12 @@ get_java_class_symtab (void)
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static void
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add_class_symtab_symbol (struct symbol *sym)
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{
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struct symtab *symtab = get_java_class_symtab ();
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struct symtab *symtab
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= get_java_class_symtab (get_objfile_arch (SYMBOL_SYMTAB (sym)->objfile));
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struct blockvector *bv = BLOCKVECTOR (symtab);
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dict_add_symbol (BLOCK_DICT (BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK)), sym);
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}
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static struct symbol *add_class_symbol (struct type *type, CORE_ADDR addr);
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static struct symbol *
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add_class_symbol (struct type *type, CORE_ADDR addr)
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{
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@ -155,7 +178,6 @@ free_class_block (struct symtab *symtab)
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dict_free (BLOCK_DICT (bl));
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}
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#endif
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struct type *
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java_lookup_class (char *name)
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@ -269,7 +291,7 @@ type_from_class (struct gdbarch *gdbarch, struct value *clas)
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}
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#endif
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objfile = get_dynamics_objfile ();
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objfile = get_dynamics_objfile (gdbarch);
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if (java_class_is_primitive (clas))
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{
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struct value *sig;
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@ -293,10 +315,7 @@ type_from_class (struct gdbarch *gdbarch, struct value *clas)
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if (type != NULL)
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return type;
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/* Do not use the "fake" dynamics objfile to own dynamically generated
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types, as it does not provide an architecture, and it would not help
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manage the lifetime of these types anyway. */
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type = alloc_type_arch (gdbarch);
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type = alloc_type (objfile);
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TYPE_CODE (type) = TYPE_CODE_STRUCT;
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INIT_CPLUS_SPECIFIC (type);
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@ -325,7 +344,7 @@ type_from_class (struct gdbarch *gdbarch, struct value *clas)
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/* Fill in class TYPE with data from the CLAS value. */
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struct type *
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static struct type *
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java_link_class_type (struct gdbarch *gdbarch,
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struct type *type, struct value *clas)
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{
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@ -341,7 +360,7 @@ java_link_class_type (struct gdbarch *gdbarch,
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struct value *method = NULL;
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struct value *field = NULL;
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int i, j;
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struct objfile *objfile = get_dynamics_objfile ();
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struct objfile *objfile = get_dynamics_objfile (gdbarch);
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struct type *tsuper;
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gdb_assert (name != NULL);
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@ -570,6 +589,28 @@ java_link_class_type (struct gdbarch *gdbarch,
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static struct type *java_object_type;
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/* A free function that is attached to the objfile defining
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java_object_type. This is used to clear the cached type whenever
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its owning objfile is destroyed. */
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static void
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jv_clear_object_type (struct objfile *objfile, void *ignore)
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{
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java_object_type = NULL;
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}
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static void
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set_java_object_type (struct type *type)
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{
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struct objfile *owner;
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gdb_assert (java_object_type == NULL);
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owner = TYPE_OBJFILE (type);
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if (owner)
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set_objfile_data (owner, jv_type_objfile_data_key, &java_object_type);
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java_object_type = type;
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}
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struct type *
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get_java_object_type (void)
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{
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@ -579,7 +620,7 @@ get_java_object_type (void)
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sym = lookup_symbol ("java.lang.Object", NULL, STRUCT_DOMAIN, NULL);
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if (sym == NULL)
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error (_("cannot find java.lang.Object"));
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java_object_type = SYMBOL_TYPE (sym);
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set_java_object_type (SYMBOL_TYPE (sym));
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}
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return java_object_type;
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}
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@ -613,7 +654,7 @@ is_object_type (struct type *type)
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if (name != NULL && strcmp (name, "vtable") == 0)
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{
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if (java_object_type == NULL)
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java_object_type = type;
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set_java_object_type (type);
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return 1;
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}
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}
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@ -1203,6 +1244,11 @@ builtin_java_type (struct gdbarch *gdbarch)
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void
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_initialize_java_language (void)
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{
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jv_dynamics_objfile_data_key
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= register_objfile_data_with_cleanup (NULL, jv_per_objfile_free);
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jv_type_objfile_data_key
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= register_objfile_data_with_cleanup (NULL, jv_clear_object_type);
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java_type_data = gdbarch_data_register_post_init (build_java_types);
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add_language (&java_language_defn);
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