1 /* Java(TM) language-specific utility routines.
2 Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
3 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
5 This file is part of GCC.
7 GCC is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3, or (at your option)
12 GCC is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING3. If not see
19 <http://www.gnu.org/licenses/>.
21 Java and all Java-based marks are trademarks or registered trademarks
22 of Sun Microsystems, Inc. in the United States and other countries.
23 The Free Software Foundation is independent of Sun Microsystems, Inc. */
25 /* Hacked by Per Bothner <bothner@cygnus.com> February 1996. */
29 #include "coretypes.h"
35 #include "java-tree.h"
38 #include "langhooks.h"
39 #include "langhooks-def.h"
42 #include "diagnostic.h"
43 #include "tree-inline.h"
44 #include "splay-tree.h"
45 #include "tree-dump.h"
49 static bool java_init (void);
50 static void java_finish (void);
51 static unsigned int java_init_options (unsigned int, const char **);
52 static bool java_post_options (const char **);
54 static int java_handle_option (size_t scode
, const char *arg
, int value
);
55 static void put_decl_string (const char *, int);
56 static void put_decl_node (tree
);
57 static void java_print_error_function (diagnostic_context
*, const char *,
59 static int merge_init_test_initialization (void * *, void *);
60 static int inline_init_test_initialization (void * *, void *);
61 static bool java_dump_tree (void *, tree
);
62 static void dump_compound_expr (dump_info_p
, tree
);
63 static bool java_decl_ok_for_sibcall (const_tree
);
64 static tree
java_get_callee_fndecl (const_tree
);
66 static enum classify_record
java_classify_record (tree type
);
68 #ifndef TARGET_OBJECT_SUFFIX
69 # define TARGET_OBJECT_SUFFIX ".o"
72 /* Table of machine-independent attributes. */
73 const struct attribute_spec java_attribute_table
[] =
75 { "nonnull", 0, -1, false, true, true,
77 { NULL
, 0, 0, false, false, false, NULL
}
80 /* Used to avoid printing error messages with bogus function
81 prototypes. Starts out false. */
82 static bool inhibit_error_function_printing
;
84 const char *resource_name
;
86 /* When nonzero, -Wall was turned on. */
89 /* When nonzero, report use of deprecated classes, methods, or fields. */
90 int flag_deprecated
= 1;
92 /* When zero, don't optimize static class initialization. This flag shouldn't
93 be tested alone, use STATIC_CLASS_INITIALIZATION_OPTIMIZATION_P instead. */
94 /* FIXME: Make this work with gimplify. */
95 /* int flag_optimize_sci = 0; */
97 /* Don't attempt to verify invocations. */
98 int flag_verify_invocations
= 0;
100 /* When nonzero, print extra version information. */
101 static int v_flag
= 0;
105 /* Variable controlling how dependency tracking is enabled in
107 static int dependency_tracking
= 0;
109 /* Flag values for DEPENDENCY_TRACKING. */
110 #define DEPEND_SET_FILE 1
111 #define DEPEND_ENABLE 2
112 #define DEPEND_TARGET_SET 4
113 #define DEPEND_FILE_ALREADY_SET 8
115 struct language_function
GTY(())
120 #undef LANG_HOOKS_NAME
121 #define LANG_HOOKS_NAME "GNU Java"
122 #undef LANG_HOOKS_INIT
123 #define LANG_HOOKS_INIT java_init
124 #undef LANG_HOOKS_FINISH
125 #define LANG_HOOKS_FINISH java_finish
126 #undef LANG_HOOKS_INIT_OPTIONS
127 #define LANG_HOOKS_INIT_OPTIONS java_init_options
128 #undef LANG_HOOKS_HANDLE_OPTION
129 #define LANG_HOOKS_HANDLE_OPTION java_handle_option
130 #undef LANG_HOOKS_POST_OPTIONS
131 #define LANG_HOOKS_POST_OPTIONS java_post_options
132 #undef LANG_HOOKS_PARSE_FILE
133 #define LANG_HOOKS_PARSE_FILE java_parse_file
134 #undef LANG_HOOKS_MARK_ADDRESSABLE
135 #define LANG_HOOKS_MARK_ADDRESSABLE java_mark_addressable
136 #undef LANG_HOOKS_DUP_LANG_SPECIFIC_DECL
137 #define LANG_HOOKS_DUP_LANG_SPECIFIC_DECL java_dup_lang_specific_decl
138 #undef LANG_HOOKS_DECL_PRINTABLE_NAME
139 #define LANG_HOOKS_DECL_PRINTABLE_NAME lang_printable_name
140 #undef LANG_HOOKS_PRINT_ERROR_FUNCTION
141 #define LANG_HOOKS_PRINT_ERROR_FUNCTION java_print_error_function
143 #undef LANG_HOOKS_TYPE_FOR_MODE
144 #define LANG_HOOKS_TYPE_FOR_MODE java_type_for_mode
145 #undef LANG_HOOKS_TYPE_FOR_SIZE
146 #define LANG_HOOKS_TYPE_FOR_SIZE java_type_for_size
147 #undef LANG_HOOKS_CLASSIFY_RECORD
148 #define LANG_HOOKS_CLASSIFY_RECORD java_classify_record
150 #undef LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN
151 #define LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN java_dump_tree
153 #undef LANG_HOOKS_GIMPLIFY_EXPR
154 #define LANG_HOOKS_GIMPLIFY_EXPR java_gimplify_expr
156 #undef LANG_HOOKS_DECL_OK_FOR_SIBCALL
157 #define LANG_HOOKS_DECL_OK_FOR_SIBCALL java_decl_ok_for_sibcall
159 #undef LANG_HOOKS_GET_CALLEE_FNDECL
160 #define LANG_HOOKS_GET_CALLEE_FNDECL java_get_callee_fndecl
162 #undef LANG_HOOKS_SET_DECL_ASSEMBLER_NAME
163 #define LANG_HOOKS_SET_DECL_ASSEMBLER_NAME java_mangle_decl
165 #undef LANG_HOOKS_ATTRIBUTE_TABLE
166 #define LANG_HOOKS_ATTRIBUTE_TABLE java_attribute_table
168 /* Each front end provides its own. */
169 const struct lang_hooks lang_hooks
= LANG_HOOKS_INITIALIZER
;
172 * process java-specific compiler command-line options
173 * return 0, but do not complain if the option is not recognized.
176 java_handle_option (size_t scode
, const char *arg
, int value
)
178 enum opt_code code
= (enum opt_code
) scode
;
183 jcf_path_include_arg (arg
);
187 jcf_dependency_init (1);
188 dependency_tracking
|= DEPEND_ENABLE
;
192 jcf_dependency_init (1);
193 dependency_tracking
|= DEPEND_SET_FILE
| DEPEND_ENABLE
;
197 jcf_dependency_set_dep_file (arg
);
198 dependency_tracking
|= DEPEND_FILE_ALREADY_SET
;
202 jcf_dependency_init (0);
203 dependency_tracking
|= DEPEND_ENABLE
;
207 jcf_dependency_init (0);
208 dependency_tracking
|= DEPEND_SET_FILE
| DEPEND_ENABLE
;
212 jcf_dependency_print_dummies ();
216 jcf_dependency_set_target (arg
);
217 dependency_tracking
|= DEPEND_TARGET_SET
;
222 /* When -Wall given, enable -Wunused. We do this because the C
223 compiler does it, and people expect it. */
227 case OPT_fenable_assertions_
:
228 add_enable_assert (arg
, value
);
231 case OPT_fenable_assertions
:
232 add_enable_assert ("", value
);
235 case OPT_fdisable_assertions_
:
236 add_enable_assert (arg
, !value
);
239 case OPT_fdisable_assertions
:
240 add_enable_assert ("", !value
);
243 case OPT_fassume_compiled_
:
244 add_assume_compiled (arg
, !value
);
247 case OPT_fassume_compiled
:
248 add_assume_compiled ("", !value
);
251 case OPT_fbootclasspath_
:
252 jcf_path_bootclasspath_arg (arg
);
255 case OPT_faux_classpath
:
256 case OPT_fclasspath_
:
257 case OPT_fCLASSPATH_
:
258 jcf_path_classpath_arg (arg
);
261 case OPT_fcompile_resource_
:
266 if (!dump_switch_p (arg
))
275 jcf_path_extdirs_arg (arg
);
278 case OPT_foutput_class_dir_
:
279 /* FIXME: remove; this is handled by ecj1 now. */
286 case OPT_fsource_filename_
:
287 java_read_sourcefilenames (arg
);
291 if (cl_options
[code
].flags
& CL_Java
)
299 /* Global open file. */
305 /* FIXME: Indirect dispatch isn't yet compatible with static class
306 init optimization. */
307 if (flag_indirect_dispatch
)
308 always_initialize_class_p
= true;
310 if (!flag_indirect_dispatch
)
311 flag_indirect_classes
= false;
313 jcf_path_seal (v_flag
);
315 java_init_decl_processing ();
317 using_eh_for_cleanups ();
325 jcf_dependency_write ();
328 /* Buffer used by lang_printable_name. */
329 static char *decl_buf
= NULL
;
331 /* Allocated size of decl_buf. */
332 static int decl_buflen
= 0;
334 /* Length of used part of decl_buf; position for next character. */
335 static int decl_bufpos
= 0;
337 /* Append the string STR to decl_buf.
338 It length is given by LEN; -1 means the string is nul-terminated. */
341 put_decl_string (const char *str
, int len
)
345 if (decl_bufpos
+ len
>= decl_buflen
)
347 if (decl_buf
== NULL
)
349 decl_buflen
= len
+ 100;
350 decl_buf
= XNEWVEC (char, decl_buflen
);
355 decl_buf
= XRESIZEVAR (char, decl_buf
, decl_buflen
);
358 strcpy (decl_buf
+ decl_bufpos
, str
);
362 /* Append to decl_buf a printable name for NODE. */
365 put_decl_node (tree node
)
368 if (TREE_CODE (node
) == POINTER_TYPE
)
370 node
= TREE_TYPE (node
);
373 if (DECL_P (node
) && DECL_NAME (node
) != NULL_TREE
)
375 if (TREE_CODE (node
) == FUNCTION_DECL
)
377 /* We want to print the type the DECL belongs to. We don't do
378 that when we handle constructors. */
379 if (! DECL_CONSTRUCTOR_P (node
)
380 && ! DECL_ARTIFICIAL (node
) && DECL_CONTEXT (node
))
382 put_decl_node (TYPE_NAME (DECL_CONTEXT (node
)));
383 put_decl_string (".", 1);
385 if (! DECL_CONSTRUCTOR_P (node
))
386 put_decl_node (DECL_NAME (node
));
387 if (TREE_TYPE (node
) != NULL_TREE
)
390 tree args
= TYPE_ARG_TYPES (TREE_TYPE (node
));
391 if (TREE_CODE (TREE_TYPE (node
)) == METHOD_TYPE
)
392 args
= TREE_CHAIN (args
);
393 put_decl_string ("(", 1);
394 for ( ; args
!= end_params_node
; args
= TREE_CHAIN (args
), i
++)
397 put_decl_string (",", 1);
398 put_decl_node (TREE_VALUE (args
));
400 put_decl_string (")", 1);
404 put_decl_node (DECL_NAME (node
));
406 else if (TYPE_P (node
) && TYPE_NAME (node
) != NULL_TREE
)
408 if (TREE_CODE (node
) == RECORD_TYPE
&& TYPE_ARRAY_P (node
))
410 put_decl_node (TYPE_ARRAY_ELEMENT (node
));
411 put_decl_string("[]", 2);
413 else if (node
== promoted_byte_type_node
)
414 put_decl_string ("byte", 4);
415 else if (node
== promoted_short_type_node
)
416 put_decl_string ("short", 5);
417 else if (node
== promoted_char_type_node
)
418 put_decl_string ("char", 4);
419 else if (node
== promoted_boolean_type_node
)
420 put_decl_string ("boolean", 7);
421 else if (node
== void_type_node
&& was_pointer
)
422 put_decl_string ("null", 4);
424 put_decl_node (TYPE_NAME (node
));
426 else if (TREE_CODE (node
) == IDENTIFIER_NODE
)
427 put_decl_string (IDENTIFIER_POINTER (node
), IDENTIFIER_LENGTH (node
));
429 put_decl_string ("<unknown>", -1);
432 /* Return a user-friendly name for DECL.
433 The resulting string is only valid until the next call.
434 The value of the hook decl_printable_name is this function,
435 which is also called directly by java_print_error_function. */
438 lang_printable_name (tree decl
, int v
)
441 if (v
== 0 && TREE_CODE (decl
) == FUNCTION_DECL
)
442 put_decl_node (DECL_NAME (decl
));
444 put_decl_node (decl
);
445 put_decl_string ("", 1);
449 /* Print on stderr the current class and method context. This function
450 is the value of the hook print_error_function. */
452 static GTY(()) tree last_error_function_context
;
453 static GTY(()) tree last_error_function
;
455 java_print_error_function (diagnostic_context
*context ATTRIBUTE_UNUSED
,
457 diagnostic_info
*diagnostic ATTRIBUTE_UNUSED
)
459 /* Don't print error messages with bogus function prototypes. */
460 if (inhibit_error_function_printing
)
463 if (current_function_decl
!= NULL
464 && DECL_CONTEXT (current_function_decl
) != last_error_function_context
)
467 fprintf (stderr
, "%s: ", file
);
469 last_error_function_context
= DECL_CONTEXT (current_function_decl
);
470 fprintf (stderr
, "In class '%s':\n",
471 lang_printable_name (last_error_function_context
, 0));
473 if (last_error_function
!= current_function_decl
)
476 fprintf (stderr
, "%s: ", file
);
478 if (current_function_decl
== NULL
)
479 fprintf (stderr
, "At top level:\n");
482 const char *name
= lang_printable_name (current_function_decl
, 2);
483 fprintf (stderr
, "In %s '%s':\n",
484 (DECL_CONSTRUCTOR_P (current_function_decl
) ? "constructor"
489 last_error_function
= current_function_decl
;
494 /* Called to install the PRINT_ERROR_FUNCTION hook differently
495 according to LEVEL. LEVEL is 1 during early parsing, when function
496 prototypes aren't fully resolved. java_print_error_function is set
497 so it doesn't print incomplete function prototypes. When LEVEL is
498 2, function prototypes are fully resolved and can be printed when
502 lang_init_source (int level
)
504 inhibit_error_function_printing
= (level
== 1);
508 java_init_options (unsigned int argc ATTRIBUTE_UNUSED
,
509 const char **argv ATTRIBUTE_UNUSED
)
511 flag_bounds_check
= 1;
513 flag_non_call_exceptions
= 1;
515 /* In Java floating point operations never trap. */
516 flag_trapping_math
= 0;
518 /* In Java arithmetic overflow always wraps around. */
521 /* Java requires left-to-right evaluation of subexpressions. */
522 flag_evaluation_order
= 1;
529 /* Post-switch processing. */
531 java_post_options (const char **pfilename
)
533 const char *filename
= *pfilename
;
535 /* Use tree inlining. */
538 if (flag_inline_functions
)
539 flag_inline_trees
= 2;
541 /* An absolute requirement: if we're not using indirect dispatch, we
542 must always verify everything. */
543 if (! flag_indirect_dispatch
)
544 flag_verify_invocations
= true;
546 if (flag_reduced_reflection
)
548 if (flag_indirect_dispatch
)
549 error ("-findirect-dispatch is incompatible "
550 "with -freduced-reflection");
552 error ("-fjni is incompatible with -freduced-reflection");
555 /* Open input file. */
557 if (filename
== 0 || !strcmp (filename
, "-"))
562 if (dependency_tracking
)
563 error ("can't do dependency tracking with input from stdin");
567 if (dependency_tracking
)
571 /* If the target is set and the output filename is set, then
572 there's no processing to do here. Otherwise we must
573 compute one or the other. */
574 if (! ((dependency_tracking
& DEPEND_TARGET_SET
)
575 && (dependency_tracking
& DEPEND_FILE_ALREADY_SET
)))
577 dot
= strrchr (filename
, '.');
579 error ("couldn't determine target name for dependency tracking");
582 char *buf
= XNEWVEC (char, dot
- filename
+
583 3 + sizeof (TARGET_OBJECT_SUFFIX
));
584 strncpy (buf
, filename
, dot
- filename
);
586 /* If emitting class files, we might have multiple
587 targets. The class generation code takes care of
588 registering them. Otherwise we compute the
590 if ((dependency_tracking
& DEPEND_TARGET_SET
))
594 strcpy (buf
+ (dot
- filename
), TARGET_OBJECT_SUFFIX
);
595 jcf_dependency_set_target (buf
);
598 if ((dependency_tracking
& DEPEND_FILE_ALREADY_SET
))
600 else if ((dependency_tracking
& DEPEND_SET_FILE
))
602 strcpy (buf
+ (dot
- filename
), ".d");
603 jcf_dependency_set_dep_file (buf
);
606 jcf_dependency_set_dep_file ("-");
613 linemap_add (line_table
, LC_ENTER
, false, filename
, 0);
614 linemap_add (line_table
, LC_RENAME
, false, "<built-in>", 0);
616 /* Initialize the compiler back end. */
620 /* Return either DECL or its known constant value (if it has one). */
623 decl_constant_value (tree decl
)
625 if (/* Don't change a variable array bound or initial value to a constant
626 in a place where a variable is invalid. */
627 current_function_decl
!= 0
628 && ! TREE_THIS_VOLATILE (decl
)
629 && TREE_READONLY (decl
)
630 && DECL_INITIAL (decl
) != 0
631 && TREE_CODE (DECL_INITIAL (decl
)) != ERROR_MARK
632 /* This is invalid if initial value is not constant.
633 If it has either a function call, a memory reference,
634 or a variable, then re-evaluating it could give different results. */
635 && TREE_CONSTANT (DECL_INITIAL (decl
))
636 /* Check for cases where this is sub-optimal, even though valid. */
637 && TREE_CODE (DECL_INITIAL (decl
)) != CONSTRUCTOR
)
638 return DECL_INITIAL (decl
);
642 /* Every call to a static constructor has an associated boolean
643 variable which is in the outermost scope of the calling method.
644 This variable is used to avoid multiple calls to the static
645 constructor for each class.
647 It looks something like this:
651 boolean dummy = OtherClass.is_initialized;
656 OtherClass.initialize();
658 ... use OtherClass.data ...
661 Each of these boolean variables has an entry in the
662 DECL_FUNCTION_INIT_TEST_TABLE of a method. When inlining a method
663 we must merge the DECL_FUNCTION_INIT_TEST_TABLE from the function
664 being inlined and create the boolean variables in the outermost
665 scope of the method being inlined into. */
667 /* Create a mapping from a boolean variable in a method being inlined
668 to one in the scope of the method being inlined into. */
671 merge_init_test_initialization (void **entry
, void *x
)
673 struct treetreehash_entry
*ite
= (struct treetreehash_entry
*) *entry
;
674 splay_tree decl_map
= (splay_tree
)x
;
676 tree
*init_test_decl
;
678 /* See if we have remapped this declaration. If we haven't there's
679 a bug in the inliner. */
680 n
= splay_tree_lookup (decl_map
, (splay_tree_key
) ite
->value
);
683 /* Create a new entry for the class and its remapped boolean
684 variable. If we already have a mapping for this class we've
685 already initialized it, so don't overwrite the value. */
686 init_test_decl
= java_treetreehash_new
687 (DECL_FUNCTION_INIT_TEST_TABLE (current_function_decl
), ite
->key
);
688 if (!*init_test_decl
)
689 *init_test_decl
= (tree
)n
->value
;
691 /* This fixes a weird case.
693 The front end assumes that once we have called a method that
694 initializes some class, we can assume the class is initialized. It
695 does this by setting the DECL_INITIAL of the init_test_decl for that
696 class, and no initializations are emitted for that class.
698 However, what if the method that is supposed to do the initialization
699 is itself inlined in the caller? When expanding the called method
700 we'll assume that the class initialization has already been done,
701 because the DECL_INITIAL of the init_test_decl is set.
703 To fix this we remove the DECL_INITIAL (in the caller scope) of all
704 the init_test_decls corresponding to classes initialized by the
705 inlined method. This makes the caller no longer assume that the
706 method being inlined does any class initializations. */
707 DECL_INITIAL (*init_test_decl
) = NULL
;
712 /* Merge the DECL_FUNCTION_INIT_TEST_TABLE from the function we're
716 java_inlining_merge_static_initializers (tree fn
, void *decl_map
)
719 (DECL_FUNCTION_INIT_TEST_TABLE (fn
),
720 merge_init_test_initialization
, decl_map
);
723 /* Lookup a DECL_FUNCTION_INIT_TEST_TABLE entry in the method we're
724 inlining into. If we already have a corresponding entry in that
725 class we don't need to create another one, so we create a mapping
726 from the variable in the inlined class to the corresponding
730 inline_init_test_initialization (void **entry
, void *x
)
732 struct treetreehash_entry
*ite
= (struct treetreehash_entry
*) *entry
;
733 splay_tree decl_map
= (splay_tree
)x
;
735 tree h
= java_treetreehash_find
736 (DECL_FUNCTION_INIT_TEST_TABLE (current_function_decl
), ite
->key
);
739 splay_tree_insert (decl_map
,
740 (splay_tree_key
) ite
->value
,
741 (splay_tree_value
) h
);
745 /* Look up the boolean variables in the DECL_FUNCTION_INIT_TEST_TABLE
746 of a method being inlined. For each hone, if we already have a
747 variable associated with the same class in the method being inlined
748 into, create a new mapping for it. */
751 java_inlining_map_static_initializers (tree fn
, void *decl_map
)
754 (DECL_FUNCTION_INIT_TEST_TABLE (fn
),
755 inline_init_test_initialization
, decl_map
);
758 /* Avoid voluminous output for deep recursion of compound exprs. */
761 dump_compound_expr (dump_info_p di
, tree t
)
767 switch (TREE_CODE (TREE_OPERAND (t
, i
)))
770 dump_compound_expr (di
, TREE_OPERAND (t
, i
));
774 dump_child ("expr", TREE_OPERAND (t
, i
));
780 java_dump_tree (void *dump_info
, tree t
)
783 dump_info_p di
= (dump_info_p
) dump_info
;
785 /* Figure out what kind of node this is. */
786 code
= TREE_CODE (t
);
791 dump_child ("args", DECL_ARGUMENTS (t
));
792 if (DECL_EXTERNAL (t
))
793 dump_string (di
, "undefined");
795 dump_string (di
, "extern");
797 dump_string (di
, "static");
798 if (DECL_LANG_SPECIFIC (t
) && !dump_flag (di
, TDF_SLIM
, t
))
799 dump_child ("inline body", DECL_SAVED_TREE (t
));
803 dump_child ("expr", TREE_OPERAND (t
, 0));
807 dump_child ("goto", TREE_OPERAND (t
, 0));
811 dump_child ("label", TREE_OPERAND (t
, 0));
815 if (BLOCK_EXPR_BODY (t
))
817 tree local
= BLOCK_VARS (t
);
820 tree next
= TREE_CHAIN (local
);
821 dump_child ("var", local
);
826 tree block
= BLOCK_EXPR_BODY (t
);
827 dump_child ("body", block
);
828 block
= TREE_CHAIN (block
);
834 if (!dump_flag (di
, TDF_SLIM
, t
))
836 dump_compound_expr (di
, t
);
845 /* Java calls can't, in general, be sibcalls because we need an
846 accurate stack trace in order to guarantee correct operation of
847 methods such as Class.forName(String) and
848 SecurityManager.getClassContext(). */
851 java_decl_ok_for_sibcall (const_tree decl
)
853 return (decl
!= NULL
&& DECL_CONTEXT (decl
) == output_class
854 && DECL_INLINE (decl
));
857 /* Given a call_expr, try to figure out what its target might be. In
858 the case of an indirection via the atable, search for the decl. If
859 the decl is external, we return NULL. If we don't, the optimizer
860 will replace the indirection with a direct call, which undoes the
861 purpose of the atable indirection. */
863 java_get_callee_fndecl (const_tree call_expr
)
865 tree method
, table
, element
, atable_methods
;
869 /* FIXME: This is disabled because we end up passing calls through
870 the PLT, and we do NOT want to do that. */
873 if (TREE_CODE (call_expr
) != CALL_EXPR
)
875 method
= CALL_EXPR_FN (call_expr
);
877 if (TREE_CODE (method
) != ARRAY_REF
)
879 table
= TREE_OPERAND (method
, 0);
880 if (! DECL_LANG_SPECIFIC(table
)
881 || !DECL_OWNER (table
)
882 || TYPE_ATABLE_DECL (DECL_OWNER (table
)) != table
)
885 atable_methods
= TYPE_ATABLE_METHODS (DECL_OWNER (table
));
886 index
= TREE_INT_CST_LOW (TREE_OPERAND (method
, 1));
888 /* FIXME: Replace this for loop with a hash table lookup. */
889 for (element
= atable_methods
; element
; element
= TREE_CHAIN (element
))
893 tree purpose
= TREE_PURPOSE (element
);
894 if (TREE_CODE (purpose
) == FUNCTION_DECL
895 && ! DECL_EXTERNAL (purpose
))
907 static enum classify_record
908 java_classify_record (tree type
)
910 if (! CLASS_P (type
))
911 return RECORD_IS_STRUCT
;
913 /* ??? GDB does not support DW_TAG_interface_type as of December,
914 2007. Re-enable this at a later time. */
915 if (0 && CLASS_INTERFACE (TYPE_NAME (type
)))
916 return RECORD_IS_INTERFACE
;
918 return RECORD_IS_CLASS
;
921 #include "gt-java-lang.h"