1 /* Java(TM) language-specific utility routines.
2 Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
3 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 2, 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 COPYING. If not, write to
19 the Free Software Foundation, 51 Franklin Street, Fifth Floor,
20 Boston, MA 02110-1301, USA.
22 Java and all Java-based marks are trademarks or registered trademarks
23 of Sun Microsystems, Inc. in the United States and other countries.
24 The Free Software Foundation is independent of Sun Microsystems, Inc. */
26 /* Hacked by Per Bothner <bothner@cygnus.com> February 1996. */
30 #include "coretypes.h"
36 #include "java-tree.h"
39 #include "langhooks.h"
40 #include "langhooks-def.h"
43 #include "diagnostic.h"
44 #include "tree-inline.h"
45 #include "splay-tree.h"
46 #include "tree-dump.h"
50 static bool java_init (void);
51 static void java_finish (void);
52 static unsigned int java_init_options (unsigned int, const char **);
53 static bool java_post_options (const char **);
55 static int java_handle_option (size_t scode, const char *arg, int value);
56 static void put_decl_string (const char *, int);
57 static void put_decl_node (tree);
58 static void java_print_error_function (diagnostic_context *, const char *);
59 static tree java_tree_inlining_walk_subtrees (tree *, int *, walk_tree_fn,
60 void *, struct pointer_set_t *);
61 static int merge_init_test_initialization (void * *, void *);
62 static int inline_init_test_initialization (void * *, void *);
63 static bool java_can_use_bit_fields_p (void);
64 static bool java_dump_tree (void *, tree);
65 static void dump_compound_expr (dump_info_p, tree);
66 static bool java_decl_ok_for_sibcall (tree);
67 static tree java_get_callee_fndecl (tree);
68 static void java_clear_binding_stack (void);
70 #ifndef TARGET_OBJECT_SUFFIX
71 # define TARGET_OBJECT_SUFFIX ".o"
74 /* Table indexed by tree code giving a string containing a character
75 classifying the tree code. Possibilities are
76 t, d, s, c, r, <, 1 and 2. See java/java-tree.def for details. */
78 #define DEFTREECODE(SYM, NAME, TYPE, LENGTH) TYPE,
80 const enum tree_code_class tree_code_type[] = {
83 #include "java-tree.def"
87 /* Table indexed by tree code giving number of expression
88 operands beyond the fixed part of the node structure.
89 Not used for types or decls. */
91 #define DEFTREECODE(SYM, NAME, TYPE, LENGTH) LENGTH,
93 const unsigned char tree_code_length[] = {
96 #include "java-tree.def"
100 /* Names of tree components.
101 Used for printing out the tree and error messages. */
102 #define DEFTREECODE(SYM, NAME, TYPE, LEN) NAME,
104 const char *const tree_code_name[] = {
107 #include "java-tree.def"
111 /* Table of machine-independent attributes. */
112 const struct attribute_spec java_attribute_table[] =
114 { "nonnull", 0, -1, false, true, true,
116 { NULL, 0, 0, false, false, false, NULL }
119 /* Used to avoid printing error messages with bogus function
120 prototypes. Starts out false. */
121 static bool inhibit_error_function_printing;
123 int compiling_from_source;
125 const char *resource_name;
127 /* When nonzero, -Wall was turned on. */
130 /* The encoding of the source file. */
131 const char *current_encoding = NULL;
133 /* When nonzero, report use of deprecated classes, methods, or fields. */
134 int flag_deprecated = 1;
136 /* When zero, don't optimize static class initialization. This flag shouldn't
137 be tested alone, use STATIC_CLASS_INITIALIZATION_OPTIMIZATION_P instead. */
138 /* FIXME: Make this work with gimplify. */
139 /* int flag_optimize_sci = 0; */
141 /* Don't attempt to verify invocations. */
142 int flag_verify_invocations = 0;
144 /* When nonzero, print extra version information. */
145 static int v_flag = 0;
149 /* Variable controlling how dependency tracking is enabled in
151 static int dependency_tracking = 0;
153 /* Flag values for DEPENDENCY_TRACKING. */
154 #define DEPEND_SET_FILE 1
155 #define DEPEND_ENABLE 2
156 #define DEPEND_TARGET_SET 4
157 #define DEPEND_FILE_ALREADY_SET 8
159 struct language_function GTY(())
164 #undef LANG_HOOKS_NAME
165 #define LANG_HOOKS_NAME "GNU Java"
166 #undef LANG_HOOKS_INIT
167 #define LANG_HOOKS_INIT java_init
168 #undef LANG_HOOKS_FINISH
169 #define LANG_HOOKS_FINISH java_finish
170 #undef LANG_HOOKS_INIT_OPTIONS
171 #define LANG_HOOKS_INIT_OPTIONS java_init_options
172 #undef LANG_HOOKS_HANDLE_OPTION
173 #define LANG_HOOKS_HANDLE_OPTION java_handle_option
174 #undef LANG_HOOKS_POST_OPTIONS
175 #define LANG_HOOKS_POST_OPTIONS java_post_options
176 #undef LANG_HOOKS_PARSE_FILE
177 #define LANG_HOOKS_PARSE_FILE java_parse_file
178 #undef LANG_HOOKS_MARK_ADDRESSABLE
179 #define LANG_HOOKS_MARK_ADDRESSABLE java_mark_addressable
180 #undef LANG_HOOKS_DUP_LANG_SPECIFIC_DECL
181 #define LANG_HOOKS_DUP_LANG_SPECIFIC_DECL java_dup_lang_specific_decl
182 #undef LANG_HOOKS_DECL_PRINTABLE_NAME
183 #define LANG_HOOKS_DECL_PRINTABLE_NAME lang_printable_name
184 #undef LANG_HOOKS_PRINT_ERROR_FUNCTION
185 #define LANG_HOOKS_PRINT_ERROR_FUNCTION java_print_error_function
186 #undef LANG_HOOKS_CAN_USE_BIT_FIELDS_P
187 #define LANG_HOOKS_CAN_USE_BIT_FIELDS_P java_can_use_bit_fields_p
189 #undef LANG_HOOKS_TYPE_FOR_MODE
190 #define LANG_HOOKS_TYPE_FOR_MODE java_type_for_mode
191 #undef LANG_HOOKS_TYPE_FOR_SIZE
192 #define LANG_HOOKS_TYPE_FOR_SIZE java_type_for_size
193 #undef LANG_HOOKS_SIGNED_TYPE
194 #define LANG_HOOKS_SIGNED_TYPE java_signed_type
195 #undef LANG_HOOKS_UNSIGNED_TYPE
196 #define LANG_HOOKS_UNSIGNED_TYPE java_unsigned_type
197 #undef LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE
198 #define LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE java_signed_or_unsigned_type
200 #undef LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN
201 #define LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN java_dump_tree
203 #undef LANG_HOOKS_GIMPLIFY_EXPR
204 #define LANG_HOOKS_GIMPLIFY_EXPR java_gimplify_expr
206 #undef LANG_HOOKS_TREE_INLINING_WALK_SUBTREES
207 #define LANG_HOOKS_TREE_INLINING_WALK_SUBTREES java_tree_inlining_walk_subtrees
209 #undef LANG_HOOKS_DECL_OK_FOR_SIBCALL
210 #define LANG_HOOKS_DECL_OK_FOR_SIBCALL java_decl_ok_for_sibcall
212 #undef LANG_HOOKS_GET_CALLEE_FNDECL
213 #define LANG_HOOKS_GET_CALLEE_FNDECL java_get_callee_fndecl
215 #undef LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION
216 #define LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION java_expand_body
218 #undef LANG_HOOKS_CLEAR_BINDING_STACK
219 #define LANG_HOOKS_CLEAR_BINDING_STACK java_clear_binding_stack
221 #undef LANG_HOOKS_SET_DECL_ASSEMBLER_NAME
222 #define LANG_HOOKS_SET_DECL_ASSEMBLER_NAME java_mangle_decl
224 #undef LANG_HOOKS_ATTRIBUTE_TABLE
225 #define LANG_HOOKS_ATTRIBUTE_TABLE java_attribute_table
227 /* Each front end provides its own. */
228 const struct lang_hooks lang_hooks = LANG_HOOKS_INITIALIZER;
231 * process java-specific compiler command-line options
232 * return 0, but do not complain if the option is not recognized.
235 java_handle_option (size_t scode, const char *arg, int value)
237 enum opt_code code = (enum opt_code) scode;
242 jcf_path_include_arg (arg);
246 jcf_dependency_init (1);
247 dependency_tracking |= DEPEND_ENABLE;
251 jcf_dependency_init (1);
252 dependency_tracking |= DEPEND_SET_FILE | DEPEND_ENABLE;
256 jcf_dependency_set_dep_file (arg);
257 dependency_tracking |= DEPEND_FILE_ALREADY_SET;
261 jcf_dependency_init (0);
262 dependency_tracking |= DEPEND_ENABLE;
266 jcf_dependency_init (0);
267 dependency_tracking |= DEPEND_SET_FILE | DEPEND_ENABLE;
271 jcf_dependency_print_dummies ();
275 jcf_dependency_set_target (arg);
276 dependency_tracking |= DEPEND_TARGET_SET;
281 flag_redundant = value;
282 flag_extraneous_semicolon = value;
283 /* When -Wall given, enable -Wunused. We do this because the C
284 compiler does it, and people expect it. */
288 case OPT_fenable_assertions_:
289 add_enable_assert (arg, value);
292 case OPT_fenable_assertions:
293 add_enable_assert ("", value);
296 case OPT_fdisable_assertions_:
297 add_enable_assert (arg, !value);
300 case OPT_fdisable_assertions:
301 add_enable_assert ("", !value);
304 case OPT_fassume_compiled_:
305 add_assume_compiled (arg, !value);
308 case OPT_fassume_compiled:
309 add_assume_compiled ("", !value);
312 case OPT_fbootclasspath_:
313 jcf_path_bootclasspath_arg (arg);
316 case OPT_fclasspath_:
317 case OPT_fCLASSPATH_:
318 jcf_path_classpath_arg (arg);
321 case OPT_fcompile_resource_:
326 if (!dump_switch_p (arg))
331 current_encoding = arg;
335 jcf_path_extdirs_arg (arg);
338 case OPT_foutput_class_dir_:
339 jcf_write_base_directory = arg;
347 if (cl_options[code].flags & CL_Java)
355 /* Global open file. */
362 extern int flag_minimal_debug;
363 flag_minimal_debug = 0;
366 /* FIXME: Indirect dispatch isn't yet compatible with static class
367 init optimization. */
368 if (flag_indirect_dispatch)
369 always_initialize_class_p = true;
371 if (!flag_indirect_dispatch)
372 flag_indirect_classes = false;
374 /* Force minimum function alignment if g++ uses the least significant
375 bit of function pointers to store the virtual bit. This is required
376 to keep vtables compatible. */
377 if (TARGET_PTRMEMFUNC_VBIT_LOCATION == ptrmemfunc_vbit_in_pfn
378 && force_align_functions_log < 1)
379 force_align_functions_log = 1;
381 jcf_path_seal (v_flag);
383 java_init_decl_processing ();
385 using_eh_for_cleanups ();
393 jcf_dependency_write ();
396 /* Buffer used by lang_printable_name. */
397 static char *decl_buf = NULL;
399 /* Allocated size of decl_buf. */
400 static int decl_buflen = 0;
402 /* Length of used part of decl_buf; position for next character. */
403 static int decl_bufpos = 0;
405 /* Append the string STR to decl_buf.
406 It length is given by LEN; -1 means the string is nul-terminated. */
409 put_decl_string (const char *str, int len)
413 if (decl_bufpos + len >= decl_buflen)
415 if (decl_buf == NULL)
417 decl_buflen = len + 100;
418 decl_buf = XNEWVEC (char, decl_buflen);
423 decl_buf = xrealloc (decl_buf, decl_buflen);
426 strcpy (decl_buf + decl_bufpos, str);
430 /* Append to decl_buf a printable name for NODE. */
433 put_decl_node (tree node)
436 if (TREE_CODE (node) == POINTER_TYPE)
438 node = TREE_TYPE (node);
441 if (DECL_P (node) && DECL_NAME (node) != NULL_TREE)
443 if (TREE_CODE (node) == FUNCTION_DECL)
445 /* We want to print the type the DECL belongs to. We don't do
446 that when we handle constructors. */
447 if (! DECL_CONSTRUCTOR_P (node)
448 && ! DECL_ARTIFICIAL (node) && DECL_CONTEXT (node))
450 put_decl_node (TYPE_NAME (DECL_CONTEXT (node)));
451 put_decl_string (".", 1);
453 if (! DECL_CONSTRUCTOR_P (node))
454 put_decl_node (DECL_NAME (node));
455 if (TREE_TYPE (node) != NULL_TREE)
458 tree args = TYPE_ARG_TYPES (TREE_TYPE (node));
459 if (TREE_CODE (TREE_TYPE (node)) == METHOD_TYPE)
460 args = TREE_CHAIN (args);
461 put_decl_string ("(", 1);
462 for ( ; args != end_params_node; args = TREE_CHAIN (args), i++)
465 put_decl_string (",", 1);
466 put_decl_node (TREE_VALUE (args));
468 put_decl_string (")", 1);
472 put_decl_node (DECL_NAME (node));
474 else if (TYPE_P (node) && TYPE_NAME (node) != NULL_TREE)
476 if (TREE_CODE (node) == RECORD_TYPE && TYPE_ARRAY_P (node))
478 put_decl_node (TYPE_ARRAY_ELEMENT (node));
479 put_decl_string("[]", 2);
481 else if (node == promoted_byte_type_node)
482 put_decl_string ("byte", 4);
483 else if (node == promoted_short_type_node)
484 put_decl_string ("short", 5);
485 else if (node == promoted_char_type_node)
486 put_decl_string ("char", 4);
487 else if (node == promoted_boolean_type_node)
488 put_decl_string ("boolean", 7);
489 else if (node == void_type_node && was_pointer)
490 put_decl_string ("null", 4);
492 put_decl_node (TYPE_NAME (node));
494 else if (TREE_CODE (node) == IDENTIFIER_NODE)
495 put_decl_string (IDENTIFIER_POINTER (node), IDENTIFIER_LENGTH (node));
497 put_decl_string ("<unknown>", -1);
500 /* Return a user-friendly name for DECL.
501 The resulting string is only valid until the next call.
502 The value of the hook decl_printable_name is this function,
503 which is also called directly by java_print_error_function. */
506 lang_printable_name (tree decl, int v)
509 if (v == 0 && TREE_CODE (decl) == FUNCTION_DECL)
510 put_decl_node (DECL_NAME (decl));
512 put_decl_node (decl);
513 put_decl_string ("", 1);
517 /* Print on stderr the current class and method context. This function
518 is the value of the hook print_error_function. */
520 static GTY(()) tree last_error_function_context;
521 static GTY(()) tree last_error_function;
523 java_print_error_function (diagnostic_context *context ATTRIBUTE_UNUSED,
526 /* Don't print error messages with bogus function prototypes. */
527 if (inhibit_error_function_printing)
530 if (current_function_decl != NULL
531 && DECL_CONTEXT (current_function_decl) != last_error_function_context)
534 fprintf (stderr, "%s: ", file);
536 last_error_function_context = DECL_CONTEXT (current_function_decl);
537 fprintf (stderr, "In class '%s':\n",
538 lang_printable_name (last_error_function_context, 0));
540 if (last_error_function != current_function_decl)
543 fprintf (stderr, "%s: ", file);
545 if (current_function_decl == NULL)
546 fprintf (stderr, "At top level:\n");
549 const char *name = lang_printable_name (current_function_decl, 2);
550 fprintf (stderr, "In %s '%s':\n",
551 (DECL_CONSTRUCTOR_P (current_function_decl) ? "constructor"
556 last_error_function = current_function_decl;
561 /* Called to install the PRINT_ERROR_FUNCTION hook differently
562 according to LEVEL. LEVEL is 1 during early parsing, when function
563 prototypes aren't fully resolved. java_print_error_function is set
564 so it doesn't print incomplete function prototypes. When LEVEL is
565 2, function prototypes are fully resolved and can be printed when
569 lang_init_source (int level)
571 inhibit_error_function_printing = (level == 1);
575 java_init_options (unsigned int argc ATTRIBUTE_UNUSED,
576 const char **argv ATTRIBUTE_UNUSED)
578 flag_bounds_check = 1;
580 flag_non_call_exceptions = 1;
582 /* In Java floating point operations never trap. */
583 flag_trapping_math = 0;
585 /* In Java arithmetic overflow always wraps around. */
588 /* Java requires left-to-right evaluation of subexpressions. */
589 flag_evaluation_order = 1;
591 /* Unit at a time is disabled for Java because it is considered
593 no_unit_at_a_time_default = 1;
601 java_can_use_bit_fields_p (void)
603 /* The bit-field optimizations cause problems when generating class
605 return flag_emit_class_files ? false : true;
608 /* Post-switch processing. */
610 java_post_options (const char **pfilename)
612 const char *filename = *pfilename;
614 /* Use tree inlining. */
617 if (flag_inline_functions)
618 flag_inline_trees = 2;
620 /* An absolute requirement: if we're not using indirect dispatch, we
621 must always verify everything. */
622 if (! flag_indirect_dispatch)
623 flag_verify_invocations = true;
625 if (flag_reduced_reflection)
627 if (flag_indirect_dispatch)
628 error ("-findirect-dispatch is incompatible "
629 "with -freduced-reflection");
631 error ("-fjni is incompatible with -freduced-reflection");
634 /* Open input file. */
636 if (filename == 0 || !strcmp (filename, "-"))
641 if (dependency_tracking)
642 error ("can't do dependency tracking with input from stdin");
646 if (dependency_tracking)
650 /* If the target is set and the output filename is set, then
651 there's no processing to do here. Otherwise we must
652 compute one or the other. */
653 if (! ((dependency_tracking & DEPEND_TARGET_SET)
654 && (dependency_tracking & DEPEND_FILE_ALREADY_SET)))
656 dot = strrchr (filename, '.');
658 error ("couldn't determine target name for dependency tracking");
661 char *buf = XNEWVEC (char, dot - filename +
662 3 + sizeof (TARGET_OBJECT_SUFFIX));
663 strncpy (buf, filename, dot - filename);
665 /* If emitting class files, we might have multiple
666 targets. The class generation code takes care of
667 registering them. Otherwise we compute the
669 if ((dependency_tracking & DEPEND_TARGET_SET))
671 else if (flag_emit_class_files)
672 jcf_dependency_set_target (NULL);
675 strcpy (buf + (dot - filename), TARGET_OBJECT_SUFFIX);
676 jcf_dependency_set_target (buf);
679 if ((dependency_tracking & DEPEND_FILE_ALREADY_SET))
681 else if ((dependency_tracking & DEPEND_SET_FILE))
683 strcpy (buf + (dot - filename), ".d");
684 jcf_dependency_set_dep_file (buf);
687 jcf_dependency_set_dep_file ("-");
694 #ifdef USE_MAPPED_LOCATION
695 linemap_add (&line_table, LC_ENTER, false, filename, 0);
696 linemap_add (&line_table, LC_RENAME, false, "<built-in>", 0);
699 /* Initialize the compiler back end. */
703 /* Return either DECL or its known constant value (if it has one). */
706 decl_constant_value (tree decl)
708 if (/* Don't change a variable array bound or initial value to a constant
709 in a place where a variable is invalid. */
710 current_function_decl != 0
711 && ! TREE_THIS_VOLATILE (decl)
712 && TREE_READONLY (decl)
713 && DECL_INITIAL (decl) != 0
714 && TREE_CODE (DECL_INITIAL (decl)) != ERROR_MARK
715 /* This is invalid if initial value is not constant.
716 If it has either a function call, a memory reference,
717 or a variable, then re-evaluating it could give different results. */
718 && TREE_CONSTANT (DECL_INITIAL (decl))
719 /* Check for cases where this is sub-optimal, even though valid. */
720 && TREE_CODE (DECL_INITIAL (decl)) != CONSTRUCTOR)
721 return DECL_INITIAL (decl);
725 /* Walk the language specific tree nodes during inlining. */
728 java_tree_inlining_walk_subtrees (tree *tp ATTRIBUTE_UNUSED,
729 int *subtrees ATTRIBUTE_UNUSED,
730 walk_tree_fn func ATTRIBUTE_UNUSED,
731 void *data ATTRIBUTE_UNUSED,
732 struct pointer_set_t *pset ATTRIBUTE_UNUSED)
737 #define WALK_SUBTREE(NODE) \
740 result = walk_tree (&(NODE), func, data, pset); \
750 code = TREE_CODE (t);
754 WALK_SUBTREE (BLOCK_EXPR_BODY (t));
757 case EXIT_BLOCK_EXPR:
768 /* Every call to a static constructor has an associated boolean
769 variable which is in the outermost scope of the calling method.
770 This variable is used to avoid multiple calls to the static
771 constructor for each class.
773 It looks something like this:
777 boolean dummy = OtherClass.is_initialized;
782 OtherClass.initialize();
784 ... use OtherClass.data ...
787 Each of these boolean variables has an entry in the
788 DECL_FUNCTION_INIT_TEST_TABLE of a method. When inlining a method
789 we must merge the DECL_FUNCTION_INIT_TEST_TABLE from the function
790 being inlined and create the boolean variables in the outermost
791 scope of the method being inlined into. */
793 /* Create a mapping from a boolean variable in a method being inlined
794 to one in the scope of the method being inlined into. */
797 merge_init_test_initialization (void **entry, void *x)
799 struct treetreehash_entry *ite = (struct treetreehash_entry *) *entry;
800 splay_tree decl_map = (splay_tree)x;
802 tree *init_test_decl;
804 /* See if we have remapped this declaration. If we haven't there's
805 a bug in the inliner. */
806 n = splay_tree_lookup (decl_map, (splay_tree_key) ite->value);
809 /* Create a new entry for the class and its remapped boolean
810 variable. If we already have a mapping for this class we've
811 already initialized it, so don't overwrite the value. */
812 init_test_decl = java_treetreehash_new
813 (DECL_FUNCTION_INIT_TEST_TABLE (current_function_decl), ite->key);
814 if (!*init_test_decl)
815 *init_test_decl = (tree)n->value;
817 /* This fixes a weird case.
819 The front end assumes that once we have called a method that
820 initializes some class, we can assume the class is initialized. It
821 does this by setting the DECL_INITIAL of the init_test_decl for that
822 class, and no initializations are emitted for that class.
824 However, what if the method that is supposed to do the initialization
825 is itself inlined in the caller? When expanding the called method
826 we'll assume that the class initialization has already been done,
827 because the DECL_INITIAL of the init_test_decl is set.
829 To fix this we remove the DECL_INITIAL (in the caller scope) of all
830 the init_test_decls corresponding to classes initialized by the
831 inlined method. This makes the caller no longer assume that the
832 method being inlined does any class initializations. */
833 DECL_INITIAL (*init_test_decl) = NULL;
838 /* Merge the DECL_FUNCTION_INIT_TEST_TABLE from the function we're
842 java_inlining_merge_static_initializers (tree fn, void *decl_map)
845 (DECL_FUNCTION_INIT_TEST_TABLE (fn),
846 merge_init_test_initialization, decl_map);
849 /* Lookup a DECL_FUNCTION_INIT_TEST_TABLE entry in the method we're
850 inlining into. If we already have a corresponding entry in that
851 class we don't need to create another one, so we create a mapping
852 from the variable in the inlined class to the corresponding
856 inline_init_test_initialization (void **entry, void *x)
858 struct treetreehash_entry *ite = (struct treetreehash_entry *) *entry;
859 splay_tree decl_map = (splay_tree)x;
861 tree h = java_treetreehash_find
862 (DECL_FUNCTION_INIT_TEST_TABLE (current_function_decl), ite->key);
865 splay_tree_insert (decl_map,
866 (splay_tree_key) ite->value,
867 (splay_tree_value) h);
871 /* Look up the boolean variables in the DECL_FUNCTION_INIT_TEST_TABLE
872 of a method being inlined. For each hone, if we already have a
873 variable associated with the same class in the method being inlined
874 into, create a new mapping for it. */
877 java_inlining_map_static_initializers (tree fn, void *decl_map)
880 (DECL_FUNCTION_INIT_TEST_TABLE (fn),
881 inline_init_test_initialization, decl_map);
884 /* Avoid voluminous output for deep recursion of compound exprs. */
887 dump_compound_expr (dump_info_p di, tree t)
893 switch (TREE_CODE (TREE_OPERAND (t, i)))
896 dump_compound_expr (di, TREE_OPERAND (t, i));
899 case EXPR_WITH_FILE_LOCATION:
901 tree wfl_node = EXPR_WFL_NODE (TREE_OPERAND (t, i));
902 dump_child ("expr", wfl_node);
907 dump_child ("expr", TREE_OPERAND (t, i));
913 java_dump_tree (void *dump_info, tree t)
916 dump_info_p di = (dump_info_p) dump_info;
918 /* Figure out what kind of node this is. */
919 code = TREE_CODE (t);
924 dump_child ("args", DECL_ARGUMENTS (t));
925 if (DECL_EXTERNAL (t))
926 dump_string (di, "undefined");
928 dump_string (di, "extern");
930 dump_string (di, "static");
931 if (DECL_LANG_SPECIFIC (t))
932 dump_child ("body", DECL_FUNCTION_BODY (t));
933 if (DECL_LANG_SPECIFIC (t) && !dump_flag (di, TDF_SLIM, t))
934 dump_child ("inline body", DECL_SAVED_TREE (t));
938 dump_child ("expr", TREE_OPERAND (t, 0));
942 dump_child ("goto", TREE_OPERAND (t, 0));
946 dump_child ("label", TREE_OPERAND (t, 0));
949 case LABELED_BLOCK_EXPR:
950 dump_child ("label", LABELED_BLOCK_LABEL (t));
951 dump_child ("block", LABELED_BLOCK_BODY (t));
954 case EXIT_BLOCK_EXPR:
955 dump_child ("block", EXIT_BLOCK_LABELED_BLOCK (t));
959 if (BLOCK_EXPR_BODY (t))
961 tree local = BLOCK_VARS (t);
964 tree next = TREE_CHAIN (local);
965 dump_child ("var", local);
970 tree block = BLOCK_EXPR_BODY (t);
971 dump_child ("body", block);
972 block = TREE_CHAIN (block);
978 if (!dump_flag (di, TDF_SLIM, t))
980 dump_compound_expr (di, t);
989 /* Java calls can't, in general, be sibcalls because we need an
990 accurate stack trace in order to guarantee correct operation of
991 methods such as Class.forName(String) and
992 SecurityManager.getClassContext(). */
995 java_decl_ok_for_sibcall (tree decl)
997 return decl != NULL && DECL_CONTEXT (decl) == output_class;
1000 /* Given a call_expr, try to figure out what its target might be. In
1001 the case of an indirection via the atable, search for the decl. If
1002 the decl is external, we return NULL. If we don't, the optimizer
1003 will replace the indirection with a direct call, which undoes the
1004 purpose of the atable indirection. */
1006 java_get_callee_fndecl (tree call_expr)
1008 tree method, table, element, atable_methods;
1010 HOST_WIDE_INT index;
1012 /* FIXME: This is disabled because we end up passing calls through
1013 the PLT, and we do NOT want to do that. */
1016 if (TREE_CODE (call_expr) != CALL_EXPR)
1018 method = TREE_OPERAND (call_expr, 0);
1019 STRIP_NOPS (method);
1020 if (TREE_CODE (method) != ARRAY_REF)
1022 table = TREE_OPERAND (method, 0);
1023 if (! DECL_LANG_SPECIFIC(table)
1024 || !DECL_OWNER (table)
1025 || TYPE_ATABLE_DECL (DECL_OWNER (table)) != table)
1028 atable_methods = TYPE_ATABLE_METHODS (DECL_OWNER (table));
1029 index = TREE_INT_CST_LOW (TREE_OPERAND (method, 1));
1031 /* FIXME: Replace this for loop with a hash table lookup. */
1032 for (element = atable_methods; element; element = TREE_CHAIN (element))
1036 tree purpose = TREE_PURPOSE (element);
1037 if (TREE_CODE (purpose) == FUNCTION_DECL
1038 && ! DECL_EXTERNAL (purpose))
1050 /* Clear the binding stack. */
1052 java_clear_binding_stack (void)
1054 while (!global_bindings_p ())
1058 #include "gt-java-lang.h"