/* Java(TM) language-specific utility routines.
Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
- 2005, 2006, 2007 Free Software Foundation, Inc.
+ 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
+the Free Software Foundation; either version 3, or (at your option)
any later version.
GCC is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING. If not, write to
-the Free Software Foundation, 51 Franklin Street, Fifth Floor,
-Boston, MA 02110-1301, USA.
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>.
Java and all Java-based marks are trademarks or registered trademarks
of Sun Microsystems, Inc. in the United States and other countries.
#include "tree-dump.h"
#include "opts.h"
#include "options.h"
+#include "except.h"
static bool java_init (void);
static void java_finish (void);
static int java_handle_option (size_t scode, const char *arg, int value);
static void put_decl_string (const char *, int);
-static void put_decl_node (tree);
-static void java_print_error_function (diagnostic_context *, const char *);
-static tree java_tree_inlining_walk_subtrees (tree *, int *, walk_tree_fn,
- void *, struct pointer_set_t *);
+static void put_decl_node (tree, int);
+static void java_print_error_function (diagnostic_context *, const char *,
+ diagnostic_info *);
static int merge_init_test_initialization (void * *, void *);
static int inline_init_test_initialization (void * *, void *);
static bool java_dump_tree (void *, tree);
static void dump_compound_expr (dump_info_p, tree);
-static bool java_decl_ok_for_sibcall (tree);
-static tree java_get_callee_fndecl (const_tree);
-static void java_clear_binding_stack (void);
+static bool java_decl_ok_for_sibcall (const_tree);
+
+static enum classify_record java_classify_record (tree type);
+
+static tree java_eh_personality (void);
#ifndef TARGET_OBJECT_SUFFIX
# define TARGET_OBJECT_SUFFIX ".o"
#endif
-/* Table indexed by tree code giving a string containing a character
- classifying the tree code. Possibilities are
- t, d, s, c, r, <, 1 and 2. See java/java-tree.def for details. */
-
-#define DEFTREECODE(SYM, NAME, TYPE, LENGTH) TYPE,
-
-const enum tree_code_class tree_code_type[] = {
-#include "tree.def"
- tcc_exceptional,
-#include "java-tree.def"
-};
-#undef DEFTREECODE
-
-/* Table indexed by tree code giving number of expression
- operands beyond the fixed part of the node structure.
- Not used for types or decls. */
-
-#define DEFTREECODE(SYM, NAME, TYPE, LENGTH) LENGTH,
-
-const unsigned char tree_code_length[] = {
-#include "tree.def"
- 0,
-#include "java-tree.def"
-};
-#undef DEFTREECODE
-
-/* Names of tree components.
- Used for printing out the tree and error messages. */
-#define DEFTREECODE(SYM, NAME, TYPE, LEN) NAME,
-
-const char *const tree_code_name[] = {
-#include "tree.def"
- "@@dummy",
-#include "java-tree.def"
-};
-#undef DEFTREECODE
-
/* Table of machine-independent attributes. */
const struct attribute_spec java_attribute_table[] =
{
#define DEPEND_TARGET_SET 4
#define DEPEND_FILE_ALREADY_SET 8
-struct language_function GTY(())
-{
+struct GTY(()) language_function {
int unused;
};
#define LANG_HOOKS_POST_OPTIONS java_post_options
#undef LANG_HOOKS_PARSE_FILE
#define LANG_HOOKS_PARSE_FILE java_parse_file
-#undef LANG_HOOKS_MARK_ADDRESSABLE
-#define LANG_HOOKS_MARK_ADDRESSABLE java_mark_addressable
#undef LANG_HOOKS_DUP_LANG_SPECIFIC_DECL
#define LANG_HOOKS_DUP_LANG_SPECIFIC_DECL java_dup_lang_specific_decl
#undef LANG_HOOKS_DECL_PRINTABLE_NAME
#define LANG_HOOKS_TYPE_FOR_MODE java_type_for_mode
#undef LANG_HOOKS_TYPE_FOR_SIZE
#define LANG_HOOKS_TYPE_FOR_SIZE java_type_for_size
+#undef LANG_HOOKS_CLASSIFY_RECORD
+#define LANG_HOOKS_CLASSIFY_RECORD java_classify_record
#undef LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN
#define LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN java_dump_tree
#undef LANG_HOOKS_GIMPLIFY_EXPR
#define LANG_HOOKS_GIMPLIFY_EXPR java_gimplify_expr
-#undef LANG_HOOKS_TREE_INLINING_WALK_SUBTREES
-#define LANG_HOOKS_TREE_INLINING_WALK_SUBTREES java_tree_inlining_walk_subtrees
-
#undef LANG_HOOKS_DECL_OK_FOR_SIBCALL
#define LANG_HOOKS_DECL_OK_FOR_SIBCALL java_decl_ok_for_sibcall
-#undef LANG_HOOKS_GET_CALLEE_FNDECL
-#define LANG_HOOKS_GET_CALLEE_FNDECL java_get_callee_fndecl
-
-#undef LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION
-#define LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION java_expand_body
-
-#undef LANG_HOOKS_CLEAR_BINDING_STACK
-#define LANG_HOOKS_CLEAR_BINDING_STACK java_clear_binding_stack
-
#undef LANG_HOOKS_SET_DECL_ASSEMBLER_NAME
#define LANG_HOOKS_SET_DECL_ASSEMBLER_NAME java_mangle_decl
#undef LANG_HOOKS_ATTRIBUTE_TABLE
#define LANG_HOOKS_ATTRIBUTE_TABLE java_attribute_table
+#undef LANG_HOOKS_EH_PERSONALITY
+#define LANG_HOOKS_EH_PERSONALITY java_eh_personality
+
+#undef LANG_HOOKS_EH_USE_CXA_END_CLEANUP
+#define LANG_HOOKS_EH_USE_CXA_END_CLEANUP true
+
/* Each front end provides its own. */
-const struct lang_hooks lang_hooks = LANG_HOOKS_INITIALIZER;
+struct lang_hooks lang_hooks = LANG_HOOKS_INITIALIZER;
/*
* process java-specific compiler command-line options
flag_wall = value;
/* When -Wall given, enable -Wunused. We do this because the C
compiler does it, and people expect it. */
- set_Wunused (value);
+ warn_unused = value;
break;
case OPT_fenable_assertions_:
else
{
decl_buflen *= 2;
- decl_buf = xrealloc (decl_buf, decl_buflen);
+ decl_buf = XRESIZEVAR (char, decl_buf, decl_buflen);
}
}
strcpy (decl_buf + decl_bufpos, str);
decl_bufpos += len;
}
-/* Append to decl_buf a printable name for NODE. */
+/* Append to decl_buf a printable name for NODE.
+ Depending on VERBOSITY, more information about NODE
+ is printed. Read the comments of decl_printable_name in
+ langhooks.h for more. */
static void
-put_decl_node (tree node)
+put_decl_node (tree node, int verbosity)
{
int was_pointer = 0;
if (TREE_CODE (node) == POINTER_TYPE)
{
if (TREE_CODE (node) == FUNCTION_DECL)
{
+ if (verbosity == 0 && DECL_NAME (node))
+ /* We have been instructed to just print the bare name
+ of the function. */
+ {
+ put_decl_node (DECL_NAME (node), 0);
+ return;
+ }
+
/* We want to print the type the DECL belongs to. We don't do
that when we handle constructors. */
if (! DECL_CONSTRUCTOR_P (node)
- && ! DECL_ARTIFICIAL (node) && DECL_CONTEXT (node))
+ && ! DECL_ARTIFICIAL (node) && DECL_CONTEXT (node)
+ /* We want to print qualified DECL names only
+ if verbosity is higher than 1. */
+ && verbosity >= 1)
{
- put_decl_node (TYPE_NAME (DECL_CONTEXT (node)));
+ put_decl_node (TYPE_NAME (DECL_CONTEXT (node)),
+ verbosity);
put_decl_string (".", 1);
}
if (! DECL_CONSTRUCTOR_P (node))
- put_decl_node (DECL_NAME (node));
- if (TREE_TYPE (node) != NULL_TREE)
+ put_decl_node (DECL_NAME (node), verbosity);
+ if (TREE_TYPE (node) != NULL_TREE
+ /* We want to print function parameters only if verbosity
+ is higher than 2. */
+ && verbosity >= 2)
{
int i = 0;
tree args = TYPE_ARG_TYPES (TREE_TYPE (node));
{
if (i > 0)
put_decl_string (",", 1);
- put_decl_node (TREE_VALUE (args));
+ put_decl_node (TREE_VALUE (args), verbosity);
}
put_decl_string (")", 1);
}
}
else
- put_decl_node (DECL_NAME (node));
+ put_decl_node (DECL_NAME (node), verbosity);
}
else if (TYPE_P (node) && TYPE_NAME (node) != NULL_TREE)
{
- if (TREE_CODE (node) == RECORD_TYPE && TYPE_ARRAY_P (node))
+ if (TREE_CODE (node) == RECORD_TYPE && TYPE_ARRAY_P (node)
+ /* Print detailed array information only if verbosity is higher
+ than 2. */
+ && verbosity >= 2)
{
- put_decl_node (TYPE_ARRAY_ELEMENT (node));
+ put_decl_node (TYPE_ARRAY_ELEMENT (node), verbosity);
put_decl_string("[]", 2);
}
else if (node == promoted_byte_type_node)
else if (node == void_type_node && was_pointer)
put_decl_string ("null", 4);
else
- put_decl_node (TYPE_NAME (node));
+ put_decl_node (TYPE_NAME (node), verbosity);
}
else if (TREE_CODE (node) == IDENTIFIER_NODE)
put_decl_string (IDENTIFIER_POINTER (node), IDENTIFIER_LENGTH (node));
lang_printable_name (tree decl, int v)
{
decl_bufpos = 0;
- if (v == 0 && TREE_CODE (decl) == FUNCTION_DECL)
- put_decl_node (DECL_NAME (decl));
- else
- put_decl_node (decl);
+ put_decl_node (decl, v);
put_decl_string ("", 1);
return decl_buf;
}
static GTY(()) tree last_error_function;
static void
java_print_error_function (diagnostic_context *context ATTRIBUTE_UNUSED,
- const char *file)
+ const char *file,
+ diagnostic_info *diagnostic ATTRIBUTE_UNUSED)
{
/* Don't print error messages with bogus function prototypes. */
if (inhibit_error_function_printing)
/* Java requires left-to-right evaluation of subexpressions. */
flag_evaluation_order = 1;
- /* Unit at a time is disabled for Java because it is considered
- too expensive. */
- no_unit_at_a_time_default = 1;
-
jcf_path_init ();
return CL_Java;
{
const char *filename = *pfilename;
- /* Use tree inlining. */
- if (!flag_no_inline)
- flag_no_inline = 1;
- if (flag_inline_functions)
- flag_inline_trees = 2;
+ /* Excess precision other than "fast" requires front-end
+ support. */
+ if (flag_excess_precision_cmdline == EXCESS_PRECISION_STANDARD
+ && TARGET_FLT_EVAL_METHOD_NON_DEFAULT)
+ sorry ("-fexcess-precision=standard for Java");
+ flag_excess_precision_cmdline = EXCESS_PRECISION_FAST;
/* An absolute requirement: if we're not using indirect dispatch, we
must always verify everything. */
{
if (dependency_tracking)
{
- char *dot;
+ const char *dot;
/* If the target is set and the output filename is set, then
there's no processing to do here. Otherwise we must
}
}
}
-#ifdef USE_MAPPED_LOCATION
- linemap_add (&line_table, LC_ENTER, false, filename, 0);
- linemap_add (&line_table, LC_RENAME, false, "<built-in>", 0);
-#endif
+ linemap_add (line_table, LC_ENTER, false, filename, 0);
+ linemap_add (line_table, LC_RENAME, false, "<built-in>", 0);
/* Initialize the compiler back end. */
return false;
return decl;
}
-/* Walk the language specific tree nodes during inlining. */
-
-static tree
-java_tree_inlining_walk_subtrees (tree *tp ATTRIBUTE_UNUSED,
- int *subtrees ATTRIBUTE_UNUSED,
- walk_tree_fn func ATTRIBUTE_UNUSED,
- void *data ATTRIBUTE_UNUSED,
- struct pointer_set_t *pset ATTRIBUTE_UNUSED)
-{
- enum tree_code code;
- tree result;
-
-#define WALK_SUBTREE(NODE) \
- do \
- { \
- result = walk_tree (&(NODE), func, data, pset); \
- if (result) \
- return result; \
- } \
- while (0)
-
- tree t = *tp;
- if (!t)
- return NULL_TREE;
-
- code = TREE_CODE (t);
- switch (code)
- {
- case BLOCK:
- WALK_SUBTREE (BLOCK_EXPR_BODY (t));
- return NULL_TREE;
-
- default:
- return NULL_TREE;
- }
-
- #undef WALK_SUBTREE
-}
-
/* Every call to a static constructor has an associated boolean
variable which is in the outermost scope of the calling method.
This variable is used to avoid multiple calls to the static
dump_string (di, "extern");
else
dump_string (di, "static");
- if (DECL_LANG_SPECIFIC (t))
- dump_child ("body", DECL_FUNCTION_BODY (t));
if (DECL_LANG_SPECIFIC (t) && !dump_flag (di, TDF_SLIM, t))
dump_child ("inline body", DECL_SAVED_TREE (t));
return true;
SecurityManager.getClassContext(). */
static bool
-java_decl_ok_for_sibcall (tree decl)
+java_decl_ok_for_sibcall (const_tree decl)
{
return (decl != NULL && DECL_CONTEXT (decl) == output_class
- && DECL_INLINE (decl));
+ && !DECL_UNINLINABLE (decl));
}
-/* Given a call_expr, try to figure out what its target might be. In
- the case of an indirection via the atable, search for the decl. If
- the decl is external, we return NULL. If we don't, the optimizer
- will replace the indirection with a direct call, which undoes the
- purpose of the atable indirection. */
-static tree
-java_get_callee_fndecl (const_tree call_expr)
+static enum classify_record
+java_classify_record (tree type)
{
- tree method, table, element, atable_methods;
-
- HOST_WIDE_INT index;
-
- /* FIXME: This is disabled because we end up passing calls through
- the PLT, and we do NOT want to do that. */
- return NULL;
-
- if (TREE_CODE (call_expr) != CALL_EXPR)
- return NULL;
- method = CALL_EXPR_FN (call_expr);
- STRIP_NOPS (method);
- if (TREE_CODE (method) != ARRAY_REF)
- return NULL;
- table = TREE_OPERAND (method, 0);
- if (! DECL_LANG_SPECIFIC(table)
- || !DECL_OWNER (table)
- || TYPE_ATABLE_DECL (DECL_OWNER (table)) != table)
- return NULL;
-
- atable_methods = TYPE_ATABLE_METHODS (DECL_OWNER (table));
- index = TREE_INT_CST_LOW (TREE_OPERAND (method, 1));
-
- /* FIXME: Replace this for loop with a hash table lookup. */
- for (element = atable_methods; element; element = TREE_CHAIN (element))
- {
- if (index == 1)
- {
- tree purpose = TREE_PURPOSE (element);
- if (TREE_CODE (purpose) == FUNCTION_DECL
- && ! DECL_EXTERNAL (purpose))
- return purpose;
- else
- return NULL;
- }
- --index;
- }
+ if (! CLASS_P (type))
+ return RECORD_IS_STRUCT;
+
+ /* ??? GDB does not support DW_TAG_interface_type as of December,
+ 2007. Re-enable this at a later time. */
+ if (0 && CLASS_INTERFACE (TYPE_NAME (type)))
+ return RECORD_IS_INTERFACE;
- return NULL;
+ return RECORD_IS_CLASS;
}
+static GTY(()) tree java_eh_personality_decl;
-/* Clear the binding stack. */
-static void
-java_clear_binding_stack (void)
+static tree
+java_eh_personality (void)
{
- while (!global_bindings_p ())
- poplevel (0, 0, 0);
+ if (!java_eh_personality_decl)
+ java_eh_personality_decl
+ = build_personality_function (USING_SJLJ_EXCEPTIONS
+ ? "__gcj_personality_sj0"
+ : "__gcj_personality_v0");
+
+ return java_eh_personality_decl;
}
#include "gt-java-lang.h"
OSDN Git Service
