/* Java(TM) language-specific utility routines.
- Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
- Free Software Foundation, Inc.
+ Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
+ 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, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, 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 "langhooks.h"
#include "langhooks-def.h"
#include "flags.h"
-#include "xref.h"
#include "ggc.h"
#include "diagnostic.h"
#include "tree-inline.h"
#include "splay-tree.h"
#include "tree-dump.h"
#include "opts.h"
-#include "j-options.h"
+#include "options.h"
+#include "except.h"
static bool java_init (void);
static void java_finish (void);
-static int java_init_options (void);
+static unsigned int java_init_options (unsigned int, const char **);
static bool java_post_options (const char **);
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 *, void *);
-static int java_unsafe_for_reeval (tree);
+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_can_use_bit_fields_p (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 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 char tree_code_type[] = {
-#include "tree.def"
- 'x',
-#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"
+/* Table of machine-independent attributes. */
+const struct attribute_spec java_attribute_table[] =
+{
+ { "nonnull", 0, -1, false, true, true,
+ NULL },
+ { NULL, 0, 0, false, false, false, NULL }
};
-#undef DEFTREECODE
/* Used to avoid printing error messages with bogus function
prototypes. Starts out false. */
static bool inhibit_error_function_printing;
-int compiling_from_source;
-
const char *resource_name;
-int flag_emit_class_files = 0;
-
-/* Nonzero if input file is a file with a list of filenames to compile. */
-
-int flag_filelist_file = 0;
-
-/* When nonzero, we emit xref strings. Values of the flag for xref
- backends are defined in xref_flag_table, xref.c. */
-
-int flag_emit_xref = 0;
-
/* When nonzero, -Wall was turned on. */
int flag_wall = 0;
-/* When nonzero, check for redundant modifier uses. */
-int flag_redundant = 0;
-
-/* When nonzero, call a library routine to do integer divisions. */
-int flag_use_divide_subroutine = 1;
-
-/* When nonzero, generate code for the Boehm GC. */
-int flag_use_boehm_gc = 0;
-
-/* When nonzero, assume the runtime uses a hash table to map an
- object to its synchronization structure. */
-int flag_hash_synchronization;
-
-/* When nonzero, permit the use of the assert keyword. */
-int flag_assert = 1;
-
-/* When nonzero, assume all native functions are implemented with
- JNI, not CNI. */
-int flag_jni = 0;
-
-/* When nonzero, warn when source file is newer than matching class
- file. */
-int flag_newer = 1;
-
-/* When nonzero, generate checks for references to NULL. */
-int flag_check_references = 0;
-
-/* The encoding of the source file. */
-const char *current_encoding = NULL;
-
-/* When nonzero, report the now deprecated empty statements. */
-int flag_extraneous_semicolon;
-
/* When nonzero, report use of deprecated classes, methods, or fields. */
int flag_deprecated = 1;
-/* When nonzero, always check for a non gcj generated classes archive. */
-int flag_force_classes_archive_check;
-
/* When zero, don't optimize static class initialization. This flag shouldn't
be tested alone, use STATIC_CLASS_INITIALIZATION_OPTIMIZATION_P instead. */
-int flag_optimize_sci = 1;
-
-/* When nonzero, use offset tables for virtual method calls
- in order to improve binary compatibility. */
-int flag_indirect_dispatch = 0;
+/* FIXME: Make this work with gimplify. */
+/* int flag_optimize_sci = 0; */
-/* When zero, don't generate runtime array store checks. */
-int flag_store_check = 1;
+/* Don't attempt to verify invocations. */
+int flag_verify_invocations = 0;
/* When nonzero, print extra version information. */
-static int version_flag = 0;
-
-/* Set nonzero if the user specified -finline-functions on the command
- line. */
-int flag_really_inline = 0;
+static int v_flag = 0;
JCF *current_jcf;
#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_UNSAFE_FOR_REEVAL
-#define LANG_HOOKS_UNSAFE_FOR_REEVAL java_unsafe_for_reeval
-#undef LANG_HOOKS_MARK_ADDRESSABLE
-#define LANG_HOOKS_MARK_ADDRESSABLE java_mark_addressable
-#undef LANG_HOOKS_EXPAND_EXPR
-#define LANG_HOOKS_EXPAND_EXPR java_expand_expr
-#undef LANG_HOOKS_TRUTHVALUE_CONVERSION
-#define LANG_HOOKS_TRUTHVALUE_CONVERSION java_truthvalue_conversion
#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_DECL_PRINTABLE_NAME lang_printable_name
#undef LANG_HOOKS_PRINT_ERROR_FUNCTION
#define LANG_HOOKS_PRINT_ERROR_FUNCTION java_print_error_function
-#undef LANG_HOOKS_CAN_USE_BIT_FIELDS_P
-#define LANG_HOOKS_CAN_USE_BIT_FIELDS_P java_can_use_bit_fields_p
#undef LANG_HOOKS_TYPE_FOR_MODE
#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_SIGNED_TYPE
-#define LANG_HOOKS_SIGNED_TYPE java_signed_type
-#undef LANG_HOOKS_UNSIGNED_TYPE
-#define LANG_HOOKS_UNSIGNED_TYPE java_unsigned_type
-#undef LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE
-#define LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE java_signed_or_unsigned_type
-
-#undef LANG_HOOKS_TREE_INLINING_WALK_SUBTREES
-#define LANG_HOOKS_TREE_INLINING_WALK_SUBTREES java_tree_inlining_walk_subtrees
+#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_DECL_OK_FOR_SIBCALL
#define LANG_HOOKS_DECL_OK_FOR_SIBCALL java_decl_ok_for_sibcall
+#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
static int
java_handle_option (size_t scode, const char *arg, int value)
{
- const struct cl_option *option = &cl_options[scode];
enum opt_code code = (enum opt_code) scode;
- /* Ignore file names. */
- if (code == N_OPTS)
- return 1;
-
- if (arg == NULL && (option->flags & (CL_JOINED | CL_SEPARATE)))
- {
- /* These can take an empty argument. */
- if (code == OPT_fassume_compiled_
- || code == OPT_fclasspath_
- || code == OPT_fCLASSPATH_
- || code == OPT_fbootclasspath_)
- arg = "";
- else
- {
- error ("missing argument to \"-%s\"", option->opt_text);
- return 1;
- }
- }
-
switch (code)
{
- default:
- return 0;
-
case OPT_I:
jcf_path_include_arg (arg);
break;
dependency_tracking |= DEPEND_ENABLE;
break;
- case OPT_MD:
+ case OPT_MD_:
jcf_dependency_init (1);
dependency_tracking |= DEPEND_SET_FILE | DEPEND_ENABLE;
break;
case OPT_MF:
jcf_dependency_set_dep_file (arg);
+ dependency_tracking |= DEPEND_FILE_ALREADY_SET;
break;
case OPT_MM:
dependency_tracking |= DEPEND_ENABLE;
break;
- case OPT_MMD:
+ case OPT_MMD_:
jcf_dependency_init (0);
dependency_tracking |= DEPEND_SET_FILE | DEPEND_ENABLE;
break;
case OPT_Wall:
flag_wall = value;
- flag_redundant = value;
- flag_extraneous_semicolon = 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_Wdeprecated:
- flag_deprecated = value;
+ case OPT_fenable_assertions_:
+ add_enable_assert (arg, value);
break;
- case OPT_Wextraneous_semicolon:
- flag_extraneous_semicolon = value;
+ case OPT_fenable_assertions:
+ add_enable_assert ("", value);
break;
- case OPT_Wout_of_date:
- flag_newer = value;
+ case OPT_fdisable_assertions_:
+ add_enable_assert (arg, !value);
break;
- case OPT_Wredundant_modifiers:
- flag_redundant = value;
- break;
-
- case OPT_fassert:
- flag_assert = value;
+ case OPT_fdisable_assertions:
+ add_enable_assert ("", !value);
break;
case OPT_fassume_compiled_:
jcf_path_bootclasspath_arg (arg);
break;
- case OPT_fcheck_references:
- flag_check_references = value;
- break;
-
+ case OPT_faux_classpath:
case OPT_fclasspath_:
case OPT_fCLASSPATH_:
jcf_path_classpath_arg (arg);
break;
case OPT_fdump_:
- if (!dump_switch_p (option->opt_text + strlen ("f")))
+ if (!dump_switch_p (arg))
return 0;
break;
- case OPT_femit_class_file:
- case OPT_femit_class_files:
- flag_emit_class_files = value;
- break;
-
case OPT_fencoding_:
- current_encoding = arg;
+ /* Nothing. */
break;
case OPT_fextdirs_:
jcf_path_extdirs_arg (arg);
break;
- case OPT_ffilelist_file:
- flag_filelist_file = value;
- break;
-
- case OPT_fforce_classes_archive_check:
- flag_force_classes_archive_check = value;
- break;
-
- case OPT_fhash_synchronization:
- flag_hash_synchronization = value;
- break;
-
- case OPT_findirect_dispatch:
- flag_indirect_dispatch = value;
- break;
-
- case OPT_finline_functions:
- flag_inline_functions = value;
- flag_really_inline = value;
- break;
-
- case OPT_fjni:
- flag_jni = value;
- break;
-
- case OPT_foptimize_static_class_initialization:
- flag_optimize_sci = value;
- break;
-
case OPT_foutput_class_dir_:
- jcf_write_base_directory = arg;
- break;
-
- case OPT_fstore_check:
- flag_store_check = value;
- break;
-
- case OPT_fuse_boehm_gc:
- flag_use_boehm_gc = value;
- break;
-
- case OPT_fuse_divide_subroutine:
- flag_use_divide_subroutine = value;
+ /* FIXME: remove; this is handled by ecj1 now. */
break;
case OPT_version:
- version_flag = 1;
+ v_flag = 1;
break;
+
+ case OPT_fsource_filename_:
+ java_read_sourcefilenames (arg);
+ break;
+
+ default:
+ if (cl_options[code].flags & CL_Java)
+ break;
+ gcc_unreachable ();
}
return 1;
static bool
java_init (void)
{
-#if 0
- extern int flag_minimal_debug;
- flag_minimal_debug = 0;
-#endif
+ /* FIXME: Indirect dispatch isn't yet compatible with static class
+ init optimization. */
+ if (flag_indirect_dispatch)
+ always_initialize_class_p = true;
- if (flag_inline_functions)
- flag_inline_trees = 1;
+ if (!flag_indirect_dispatch)
+ flag_indirect_classes = false;
- /* Force minimum function alignment if g++ uses the least significant
- bit of function pointers to store the virtual bit. This is required
- to keep vtables compatible. */
- if (TARGET_PTRMEMFUNC_VBIT_LOCATION == ptrmemfunc_vbit_in_pfn
- && force_align_functions_log < 1)
- force_align_functions_log = 1;
-
- jcf_path_seal (version_flag);
+ jcf_path_seal (v_flag);
java_init_decl_processing ();
if (decl_buf == NULL)
{
decl_buflen = len + 100;
- decl_buf = xmalloc (decl_buflen);
+ decl_buf = XNEWVEC (char, decl_buflen);
}
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)
node = TREE_TYPE (node);
was_pointer = 1;
}
- if (TREE_CODE_CLASS (TREE_CODE (node)) == 'd'
- && DECL_NAME (node) != NULL_TREE)
+ if (DECL_P (node) && DECL_NAME (node) != NULL_TREE)
{
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 (TREE_CODE_CLASS (TREE_CODE (node)) == 't'
- && TYPE_NAME (node) != NULL_TREE)
+ 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));
which is also called directly by java_print_error_function. */
const char *
-lang_printable_name (tree decl, int v __attribute__ ((__unused__)))
+lang_printable_name (tree decl, int v)
{
decl_bufpos = 0;
- put_decl_node (decl);
+ put_decl_node (decl, v);
put_decl_string ("", 1);
return decl_buf;
}
-/* Does the same thing that lang_printable_name, but add a leading
- space to the DECL name string -- With Leading Space. */
-
-const char *
-lang_printable_name_wls (tree decl, int v __attribute__ ((__unused__)))
-{
- decl_bufpos = 1;
- put_decl_node (decl);
- put_decl_string ("", 1);
- decl_buf [0] = ' ';
- return decl_buf;
-}
-
/* Print on stderr the current class and method context. This function
is the value of the hook print_error_function. */
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)
fprintf (stderr, "%s: ", file);
last_error_function_context = DECL_CONTEXT (current_function_decl);
- fprintf (stderr, "In class `%s':\n",
+ fprintf (stderr, "In class '%s':\n",
lang_printable_name (last_error_function_context, 0));
}
if (last_error_function != current_function_decl)
else
{
const char *name = lang_printable_name (current_function_decl, 2);
- fprintf (stderr, "In %s `%s':\n",
- (DECL_CONSTRUCTOR_P (current_function_decl) ? "constructor"
+ fprintf (stderr, "In %s '%s':\n",
+ (DECL_CONSTRUCTOR_P (current_function_decl) ? "constructor"
: "method"),
name);
}
2, function prototypes are fully resolved and can be printed when
reporting errors. */
-void lang_init_source (int level)
+void
+lang_init_source (int level)
{
inhibit_error_function_printing = (level == 1);
}
-static int
-java_init_options (void)
+static unsigned int
+java_init_options (unsigned int argc ATTRIBUTE_UNUSED,
+ const char **argv ATTRIBUTE_UNUSED)
{
flag_bounds_check = 1;
flag_exceptions = 1;
/* In Java arithmetic overflow always wraps around. */
flag_wrapv = 1;
+ /* Java requires left-to-right evaluation of subexpressions. */
+ flag_evaluation_order = 1;
+
jcf_path_init ();
- return 0;
-}
-
-static bool
-java_can_use_bit_fields_p (void)
-{
- /* The bit-field optimizations cause problems when generating class
- files. */
- return flag_emit_class_files ? false : true;
+ return CL_Java;
}
/* Post-switch processing. */
{
const char *filename = *pfilename;
- /* Use tree inlining if possible. Function instrumentation is only
- done in the RTL level, so we disable tree inlining. */
- if (! flag_instrument_function_entry_exit)
+ /* 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 (! flag_indirect_dispatch)
+ flag_verify_invocations = true;
+
+ if (flag_reduced_reflection)
{
- if (!flag_no_inline)
- flag_no_inline = 1;
- if (flag_inline_functions)
- {
- flag_inline_trees = 2;
- flag_inline_functions = 0;
- }
+ if (flag_indirect_dispatch)
+ error ("-findirect-dispatch is incompatible "
+ "with -freduced-reflection");
+ if (flag_jni)
+ error ("-fjni is incompatible with -freduced-reflection");
}
/* Open input file. */
{
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
error ("couldn't determine target name for dependency tracking");
else
{
- char *buf = xmalloc (dot - filename +
+ char *buf = XNEWVEC (char, dot - filename +
3 + sizeof (TARGET_OBJECT_SUFFIX));
strncpy (buf, filename, dot - filename);
target name here. */
if ((dependency_tracking & DEPEND_TARGET_SET))
; /* Nothing. */
- else if (flag_emit_class_files)
- jcf_dependency_set_target (NULL);
else
{
strcpy (buf + (dot - filename), TARGET_OBJECT_SUFFIX);
}
}
}
+ 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,
- void *htab ATTRIBUTE_UNUSED)
-{
- enum tree_code code;
- tree result;
-
-#define WALK_SUBTREE(NODE) \
- do \
- { \
- result = walk_tree (&(NODE), func, data, htab); \
- if (result) \
- return result; \
- } \
- while (0)
-
- tree t = *tp;
- if (!t)
- return NULL_TREE;
-
- code = TREE_CODE (t);
- switch (code)
- {
- case BLOCK:
- if (BLOCK_EXPR_BODY (t))
- {
- tree *prev = &BLOCK_EXPR_BODY (*tp);
- while (*prev)
- {
- WALK_SUBTREE (*prev);
- prev = &TREE_CHAIN (*prev);
- }
- }
- return NULL_TREE;
- break;
-
- default:
- return NULL_TREE;
- }
-}
-
-/* Called from unsafe_for_reeval. */
-static int
-java_unsafe_for_reeval (tree t)
-{
- switch (TREE_CODE (t))
- {
- case BLOCK:
- /* Our expander tries to expand the variables twice. Boom. */
- if (BLOCK_EXPR_DECLS (t) != NULL)
- return 2;
- return unsafe_for_reeval (BLOCK_EXPR_BODY (t));
-
- default:
- break;
- }
-
- return -1;
-}
-
/* 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
- constructor for each class.
+ constructor for each class.
It looks something like this:
foo ()
{
boolean dummy = OtherClass.is_initialized;
-
+
...
-
+
if (! dummy)
OtherClass.initialize();
splay_tree decl_map = (splay_tree)x;
splay_tree_node n;
tree *init_test_decl;
-
+
/* See if we have remapped this declaration. If we haven't there's
a bug in the inliner. */
n = splay_tree_lookup (decl_map, (splay_tree_key) ite->value);
- if (! n)
- abort ();
+ gcc_assert (n);
/* Create a new entry for the class and its remapped boolean
variable. If we already have a mapping for this class we've
if (!*init_test_decl)
*init_test_decl = (tree)n->value;
+ /* This fixes a weird case.
+
+ The front end assumes that once we have called a method that
+ initializes some class, we can assume the class is initialized. It
+ does this by setting the DECL_INITIAL of the init_test_decl for that
+ class, and no initializations are emitted for that class.
+
+ However, what if the method that is supposed to do the initialization
+ is itself inlined in the caller? When expanding the called method
+ we'll assume that the class initialization has already been done,
+ because the DECL_INITIAL of the init_test_decl is set.
+
+ To fix this we remove the DECL_INITIAL (in the caller scope) of all
+ the init_test_decls corresponding to classes initialized by the
+ inlined method. This makes the caller no longer assume that the
+ method being inlined does any class initializations. */
+ DECL_INITIAL (*init_test_decl) = NULL;
+
return true;
}
void
java_inlining_merge_static_initializers (tree fn, void *decl_map)
{
- htab_traverse
+ htab_traverse
(DECL_FUNCTION_INIT_TEST_TABLE (fn),
merge_init_test_initialization, decl_map);
}
{
struct treetreehash_entry *ite = (struct treetreehash_entry *) *entry;
splay_tree decl_map = (splay_tree)x;
-
- tree h = java_treetreehash_find
+
+ tree h = java_treetreehash_find
(DECL_FUNCTION_INIT_TEST_TABLE (current_function_decl), ite->key);
if (! h)
return true;
-
splay_tree_insert (decl_map,
(splay_tree_key) ite->value,
(splay_tree_value) h);
-
return true;
}
void
java_inlining_map_static_initializers (tree fn, void *decl_map)
{
- htab_traverse
+ htab_traverse
(DECL_FUNCTION_INIT_TEST_TABLE (fn),
inline_init_test_initialization, decl_map);
}
dump_compound_expr (di, TREE_OPERAND (t, i));
break;
- case EXPR_WITH_FILE_LOCATION:
- {
- tree wfl_node = EXPR_WFL_NODE (TREE_OPERAND (t, i));
- dump_child ("expr", wfl_node);
- break;
- }
-
default:
dump_child ("expr", TREE_OPERAND (t, i));
}
}
}
-
+
static bool
java_dump_tree (void *dump_info, tree t)
{
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;
dump_child ("label", TREE_OPERAND (t, 0));
return true;
- case LABELED_BLOCK_EXPR:
- dump_child ("label", TREE_OPERAND (t, 0));
- dump_child ("block", TREE_OPERAND (t, 1));
- return true;
-
- case EXIT_BLOCK_EXPR:
- dump_child ("block", TREE_OPERAND (t, 0));
- dump_child ("val", TREE_OPERAND (t, 1));
- return true;
-
case BLOCK:
if (BLOCK_EXPR_BODY (t))
{
dump_child ("var", local);
local = next;
}
-
+
{
tree block = BLOCK_EXPR_BODY (t);
dump_child ("body", block);
}
}
return true;
-
+
case COMPOUND_EXPR:
if (!dump_flag (di, TDF_SLIM, t))
return false;
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_UNINLINABLE (decl));
+}
+
+static enum classify_record
+java_classify_record (tree type)
+{
+ 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 RECORD_IS_CLASS;
+}
+
+static GTY(()) tree java_eh_personality_decl;
+
+static tree
+java_eh_personality (void)
{
- return decl != NULL && DECL_CONTEXT (decl) == current_class;
+ 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"
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