Keep track of when we've seen a reference field after a
non-reference field.
(get_boehm_type_descriptor): Handle case where we see
non-reference fields but no trailing reference field.
* decl.c (rawdata_ptr_type_node): Define.
(init_decl_processing): Initialize rawdata_ptr_type_node.
* java-tree.h (rawdata_ptr_type_node): Declare.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@33701
138bc75d-0d04-0410-961f-
82ee72b054a4
+2000-05-04 Tom Tromey <tromey@cygnus.com>
+
+ * boehm.c (mark_reference_fields): Don't mark RawData fields.
+ Keep track of when we've seen a reference field after a
+ non-reference field.
+ (get_boehm_type_descriptor): Handle case where we see
+ non-reference fields but no trailing reference field.
+ * decl.c (rawdata_ptr_type_node): Define.
+ (init_decl_processing): Initialize rawdata_ptr_type_node.
+ * java-tree.h (rawdata_ptr_type_node): Declare.
+
2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* jcf-dump.c (SPECIAL_IINC): Ensure arguments match format
* gjavah.c (decode_signature_piece): Don't treat `$' as namespace
separator.
-2000-05-02 Tom Tromey <tromey@cygnus.com>
-
- * expr.c (build_jni_stub): Cache the result of
- _Jv_LookupJNIMethod.
-
2000-04-19 Tom Tromey <tromey@cygnus.com>
* class.c (add_method_1): Set both DECL_EXTERNAL and METHOD_NATIVE
continue;
offset = int_byte_position (field);
- if (JREFERENCE_TYPE_P (TREE_TYPE (field)))
+ if (JREFERENCE_TYPE_P (TREE_TYPE (field))
+ /* An `object' of type gnu.gcj.RawData is actually non-Java
+ data. */
+ && TREE_TYPE (field) != rawdata_ptr_type_node)
{
unsigned int count;
set_bit (low, high, ubit - count - 1);
if (count > ubit - 2)
*pointer_after_end = 1;
+
+ /* If we saw a non-reference field earlier, then we can't
+ use the count representation. We keep track of that in
+ *ALL_BITS_SET. */
+ if (! *all_bits_set)
+ *all_bits_set = -1;
}
- else
+ else if (*all_bits_set > 0)
*all_bits_set = 0;
*last_view_index = offset;
/* If the object is all pointers, or if the part with pointers fits
in our bitmap, then we are ok. Otherwise we have to allocate it
a different way. */
- if (all_bits_set)
+ if (all_bits_set != -1)
{
- /* In the GC the computation looks something like this:
+ /* In this case the initial part of the object is all reference
+ fields, and the end of the object is all non-reference
+ fields. We represent the mark as a count of the fields,
+ shifted. In the GC the computation looks something like
+ this:
value = DS_LENGTH | WORDS_TO_BYTES (last_set_index + 1);
DS_LENGTH is 0.
WORDS_TO_BYTES shifts by log2(bytes-per-pointer). */
tree throwable_type_node;
tree runtime_exception_type_node;
tree error_exception_type_node;
+tree rawdata_ptr_type_node;
tree *predef_filenames;
int predef_filenames_size;
lookup_class (get_identifier ("java.lang.RuntimeException"));
error_exception_type_node =
lookup_class (get_identifier ("java.lang.Error"));
+ rawdata_ptr_type_node
+ = promote_type (lookup_class (get_identifier ("gnu.gcj.RawData")));
/* This section has to be updated as items are added to the previous
section. */
extern tree throwable_type_node;
extern tree runtime_exception_type_node;
extern tree error_exception_type_node;
+extern tree rawdata_ptr_type_node;
extern tree *predef_filenames;
extern int predef_filenames_size;