2072 lines
66 KiB
C
2072 lines
66 KiB
C
/* Process declarations and variables for the GNU compiler for the
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Java(TM) language.
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Copyright (C) 1996-2016 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>.
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Java and all Java-based marks are trademarks or registered trademarks
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of Sun Microsystems, Inc. in the United States and other countries.
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The Free Software Foundation is independent of Sun Microsystems, Inc. */
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/* Hacked by Per Bothner <bothner@cygnus.com> February 1996. */
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#include "config.h"
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#include "system.h"
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#include "coretypes.h"
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#include "target.h"
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#include "function.h"
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#include "tree.h"
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#include "stringpool.h"
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#include "cgraph.h"
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#include "diagnostic-core.h"
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#include "stor-layout.h"
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#include "varasm.h"
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#include "toplev.h"
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#include "java-tree.h"
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#include "jcf.h"
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#include "java-except.h"
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#include "version.h"
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#include "tree-iterator.h"
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#include "langhooks.h"
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#if defined (DEBUG_JAVA_BINDING_LEVELS)
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extern void indent (void);
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#endif
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static tree push_jvm_slot (int, tree);
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static tree lookup_name_current_level (tree);
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static tree push_promoted_type (const char *, tree);
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static struct binding_level *make_binding_level (void);
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static tree create_primitive_vtable (const char *);
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static tree check_local_unnamed_variable (tree, tree, tree);
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static void parse_version (void);
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/* The following ABI flags are used in the high-order bits of the version
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ID field. The version ID number itself should never be larger than
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0xfffff, so it should be safe to use top 12 bits for these flags. */
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#define FLAG_BINARYCOMPAT_ABI (1<<31) /* Class is built with the BC-ABI. */
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#define FLAG_BOOTSTRAP_LOADER (1<<30) /* Used when defining a class that
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should be loaded by the bootstrap
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loader. */
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/* If an ABI change is made within a GCC release series, rendering current
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binaries incompatible with the old runtimes, this number must be set to
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enforce the compatibility rules. */
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#define MINOR_BINARYCOMPAT_ABI_VERSION 1
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/* The runtime may recognize a variety of BC ABIs (objects generated by
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different version of gcj), but will probably always require strict
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matching for the ordinary (C++) ABI. */
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/* The version ID of the BC ABI that we generate. This must be kept in
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sync with parse_version(), libgcj, and reality (if the BC format changes,
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this must change). */
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#define GCJ_CURRENT_BC_ABI_VERSION \
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(4 * 100000 + 0 * 1000 + MINOR_BINARYCOMPAT_ABI_VERSION)
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/* The ABI version number. */
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tree gcj_abi_version;
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/* Name of the Cloneable class. */
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tree java_lang_cloneable_identifier_node;
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/* Name of the Serializable class. */
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tree java_io_serializable_identifier_node;
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/* The DECL_MAP is a mapping from (index, type) to a decl node.
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If index < max_locals, it is the index of a local variable.
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if index >= max_locals, then index-max_locals is a stack slot.
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The DECL_MAP mapping is represented as a TREE_VEC whose elements
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are a list of decls (VAR_DECL or PARM_DECL) chained by
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DECL_LOCAL_SLOT_CHAIN; the index finds the TREE_VEC element, and then
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we search the chain for a decl with a matching TREE_TYPE. */
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static GTY(()) tree decl_map;
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/* The base_decl_map is contains one variable of ptr_type: this is
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used to contain every variable of reference type that is ever
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stored in a local variable slot. */
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static GTY(()) tree base_decl_map;
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/* An index used to make temporary identifiers unique. */
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static int uniq;
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/* A list of local variables VAR_DECLs for this method that we have seen
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debug information, but we have not reached their starting (byte) PC yet. */
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static GTY(()) tree pending_local_decls;
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/* The decl for "_Jv_ResolvePoolEntry". */
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tree soft_resolvepoolentry_node;
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/* The decl for the .constants field of an instance of Class. */
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tree constants_field_decl_node;
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/* The decl for the .data field of an instance of Class. */
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tree constants_data_field_decl_node;
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#if defined(DEBUG_JAVA_BINDING_LEVELS)
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int binding_depth = 0;
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int is_class_level = 0;
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int current_pc;
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void
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indent (void)
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{
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int i;
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for (i = 0; i < binding_depth*2; i++)
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putc (' ', stderr);
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}
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#endif /* defined(DEBUG_JAVA_BINDING_LEVELS) */
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/* True if decl is a named local variable, i.e. if it is an alias
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that's used only for debugging purposes. */
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static bool
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debug_variable_p (tree decl)
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{
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if (TREE_CODE (decl) == PARM_DECL)
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return false;
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if (LOCAL_SLOT_P (decl))
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return false;
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return true;
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}
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static tree
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push_jvm_slot (int index, tree decl)
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{
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DECL_CONTEXT (decl) = current_function_decl;
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layout_decl (decl, 0);
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/* Now link the decl into the decl_map. */
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if (DECL_LANG_SPECIFIC (decl) == NULL)
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{
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MAYBE_CREATE_VAR_LANG_DECL_SPECIFIC (decl);
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DECL_LOCAL_START_PC (decl) = 0;
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DECL_LOCAL_END_PC (decl) = DECL_CODE_LENGTH (current_function_decl);
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DECL_LOCAL_SLOT_NUMBER (decl) = index;
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}
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DECL_LOCAL_SLOT_CHAIN (decl) = TREE_VEC_ELT (decl_map, index);
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TREE_VEC_ELT (decl_map, index) = decl;
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return decl;
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}
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/* Find the best declaration based upon type. If 'decl' fits 'type' better
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than 'best', return 'decl'. Otherwise return 'best'. */
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static tree
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check_local_unnamed_variable (tree best, tree decl, tree type)
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{
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tree decl_type = TREE_TYPE (decl);
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gcc_assert (! LOCAL_VAR_OUT_OF_SCOPE_P (decl));
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/* Use the same decl for all integer types <= 32 bits. This is
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necessary because sometimes a value is stored as (for example)
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boolean but loaded as int. */
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if (decl_type == type
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|| (INTEGRAL_TYPE_P (decl_type)
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&& INTEGRAL_TYPE_P (type)
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&& TYPE_PRECISION (decl_type) <= 32
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&& TYPE_PRECISION (type) <= 32
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&& TYPE_PRECISION (decl_type) >= TYPE_PRECISION (type))
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/* ptr_type_node is used for null pointers, which are
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assignment compatible with everything. */
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|| (TREE_CODE (decl_type) == POINTER_TYPE
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&& type == ptr_type_node)
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/* Whenever anyone wants to use a slot that is initially
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occupied by a PARM_DECL of pointer type they must get that
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decl, even if they asked for a pointer to a different type.
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However, if someone wants a scalar variable in a slot that
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initially held a pointer arg -- or vice versa -- we create a
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new VAR_DECL.
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???: As long as verification is correct, this will be a
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compatible type. But maybe we should create a dummy variable
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and replace all references to it with the DECL and a
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NOP_EXPR.
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*/
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|| (TREE_CODE (decl_type) == POINTER_TYPE
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&& TREE_CODE (decl) == PARM_DECL
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&& TREE_CODE (type) == POINTER_TYPE))
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{
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if (best == NULL_TREE
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|| (decl_type == type && TREE_TYPE (best) != type))
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return decl;
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}
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return best;
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}
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/* Find a VAR_DECL (or PARM_DECL) at local index INDEX that has type TYPE,
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that is valid at PC (or -1 if any pc).
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If there is no existing matching decl, allocate one. */
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tree
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find_local_variable (int index, tree type, int pc ATTRIBUTE_UNUSED)
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{
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tree tmp = TREE_VEC_ELT (decl_map, index);
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tree decl = NULL_TREE;
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/* Scan through every declaration that has been created in this
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slot. We're only looking for variables that correspond to local
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index declarations and PARM_DECLs, not named variables: such
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local variables are used only for debugging information. */
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while (tmp != NULL_TREE)
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{
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if (! debug_variable_p (tmp))
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decl = check_local_unnamed_variable (decl, tmp, type);
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tmp = DECL_LOCAL_SLOT_CHAIN (tmp);
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}
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/* gcj has a function called promote_type(), which is used by both
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the bytecode compiler and the source compiler. Unfortunately,
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the type systems for the Java VM and the Java language are not
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the same: a boolean in the VM promotes to an int, not to a wide
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boolean. If our caller wants something to hold a boolean, that
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had better be an int, because that slot might be re-used
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later in integer context. */
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if (TREE_CODE (type) == BOOLEAN_TYPE)
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type = integer_type_node;
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/* If we don't find a match, create one with the type passed in.
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The name of the variable is #n#m, which n is the variable index
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in the local variable area and m is a dummy identifier for
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uniqueness -- multiple variables may share the same local
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variable index. We don't call pushdecl() to push pointer types
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into a binding expr because they'll all be replaced by a single
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variable that is used for every reference in that local variable
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slot. */
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if (! decl)
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{
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char buf[64];
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tree name;
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sprintf (buf, "#slot#%d#%d", index, uniq++);
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name = get_identifier (buf);
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decl = build_decl (input_location, VAR_DECL, name, type);
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DECL_IGNORED_P (decl) = 1;
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DECL_ARTIFICIAL (decl) = 1;
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decl = push_jvm_slot (index, decl);
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LOCAL_SLOT_P (decl) = 1;
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if (TREE_CODE (type) != POINTER_TYPE)
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pushdecl_function_level (decl);
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}
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/* As well as creating a local variable that matches the type, we
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also create a base variable (of ptr_type) that will hold all its
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aliases. */
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if (TREE_CODE (type) == POINTER_TYPE
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&& ! TREE_VEC_ELT (base_decl_map, index))
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{
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char buf[64];
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tree name;
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tree base_decl;
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sprintf (buf, "#ref#%d#%d", index, uniq++);
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name = get_identifier (buf);
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base_decl
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= TREE_VEC_ELT (base_decl_map, index)
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= build_decl (input_location, VAR_DECL, name, ptr_type_node);
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pushdecl_function_level (base_decl);
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DECL_IGNORED_P (base_decl) = 1;
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DECL_ARTIFICIAL (base_decl) = 1;
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}
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return decl;
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}
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/* Called during genericization for every variable. If the variable
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is a temporary of pointer type, replace it with a common variable
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thath is used to hold all pointer types that are ever stored in
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that slot. Set WANT_LVALUE if you want a variable that is to be
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written to. */
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static tree
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java_replace_reference (tree var_decl, bool want_lvalue)
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{
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tree decl_type;
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if (! base_decl_map)
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return var_decl;
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decl_type = TREE_TYPE (var_decl);
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if (TREE_CODE (decl_type) == POINTER_TYPE)
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{
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if (DECL_LANG_SPECIFIC (var_decl)
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&& LOCAL_SLOT_P (var_decl))
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{
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int index = DECL_LOCAL_SLOT_NUMBER (var_decl);
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tree base_decl = TREE_VEC_ELT (base_decl_map, index);
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gcc_assert (base_decl);
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if (! want_lvalue)
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base_decl = build1 (NOP_EXPR, decl_type, base_decl);
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return base_decl;
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}
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}
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return var_decl;
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}
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/* Helper for java_genericize. */
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tree
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java_replace_references (tree *tp, int *walk_subtrees,
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void *data ATTRIBUTE_UNUSED)
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{
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if (TREE_CODE (*tp) == MODIFY_EXPR)
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{
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source_location loc = EXPR_LOCATION (*tp);
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tree lhs = TREE_OPERAND (*tp, 0);
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/* This is specific to the bytecode compiler. If a variable has
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LOCAL_SLOT_P set, replace an assignment to it with an assignment
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to the corresponding variable that holds all its aliases. */
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if (TREE_CODE (lhs) == VAR_DECL
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&& DECL_LANG_SPECIFIC (lhs)
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&& LOCAL_SLOT_P (lhs)
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&& TREE_CODE (TREE_TYPE (lhs)) == POINTER_TYPE)
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{
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tree new_lhs = java_replace_reference (lhs, /* want_lvalue */ true);
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tree new_rhs = build1 (NOP_EXPR, TREE_TYPE (new_lhs),
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TREE_OPERAND (*tp, 1));
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tree tem = build2 (MODIFY_EXPR, TREE_TYPE (new_lhs),
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new_lhs, new_rhs);
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*tp = build1 (NOP_EXPR, TREE_TYPE (lhs), tem);
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SET_EXPR_LOCATION (tem, loc);
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SET_EXPR_LOCATION (new_rhs, loc);
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SET_EXPR_LOCATION (*tp, loc);
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}
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}
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if (TREE_CODE (*tp) == VAR_DECL)
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{
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*tp = java_replace_reference (*tp, /* want_lvalue */ false);
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*walk_subtrees = 0;
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}
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return NULL_TREE;
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}
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/* Same as find_local_index, except that INDEX is a stack index. */
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tree
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find_stack_slot (int index, tree type)
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{
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return find_local_variable (index + DECL_MAX_LOCALS (current_function_decl),
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type, -1);
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}
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struct GTY(())
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binding_level {
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/* A chain of _DECL nodes for all variables, constants, functions,
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* and typedef types. These are in the reverse of the order supplied.
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*/
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tree names;
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/* For each level, a list of shadowed outer-level local definitions
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to be restored when this level is popped.
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Each link is a TREE_LIST whose TREE_PURPOSE is an identifier and
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whose TREE_VALUE is its old definition (a kind of ..._DECL node). */
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tree shadowed;
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/* For each level (except not the global one),
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a chain of BLOCK nodes for all the levels
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that were entered and exited one level down. */
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tree blocks;
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/* The binding level which this one is contained in (inherits from). */
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struct binding_level *level_chain;
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/* The bytecode PC that marks the end of this level. */
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int end_pc;
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/* The bytecode PC that marks the start of this level. */
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int start_pc;
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/* The statements in this binding level. */
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tree stmts;
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/* An exception range associated with this binding level. */
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struct eh_range * GTY((skip (""))) exception_range;
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/* Binding depth at which this level began. Used only for debugging. */
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unsigned binding_depth;
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|
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/* The location at which this level began. */
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source_location loc;
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};
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#define NULL_BINDING_LEVEL (struct binding_level *) NULL
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/* The binding level currently in effect. */
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static GTY(()) struct binding_level *current_binding_level;
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/* A chain of binding_level structures awaiting reuse. */
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static GTY(()) struct binding_level *free_binding_level;
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|
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/* The outermost binding level, for names of file scope.
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This is created when the compiler is started and exists
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through the entire run. */
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static GTY(()) struct binding_level *global_binding_level;
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|
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/* The binding level that holds variables declared at the outermost
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level within a function body. */
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static struct binding_level *function_binding_level;
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/* A PC value bigger than any PC value we may ever may encounter. */
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#define LARGEST_PC (( (unsigned int)1 << (HOST_BITS_PER_INT - 1)) - 1)
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|
|
/* Binding level structures are initialized by copying this one. */
|
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|
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static const struct binding_level clear_binding_level
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= {
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NULL_TREE, /* names */
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NULL_TREE, /* shadowed */
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NULL_TREE, /* blocks */
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NULL_BINDING_LEVEL, /* level_chain */
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LARGEST_PC, /* end_pc */
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0, /* start_pc */
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NULL, /* stmts */
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NULL, /* exception_range */
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0, /* binding_depth */
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0, /* loc */
|
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};
|
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|
|
tree java_global_trees[JTI_MAX];
|
|
|
|
/* Build (and pushdecl) a "promoted type" for all standard
|
|
types shorter than int. */
|
|
|
|
static tree
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|
push_promoted_type (const char *name, tree actual_type)
|
|
{
|
|
tree type = make_node (TREE_CODE (actual_type));
|
|
#if 1
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tree in_min = TYPE_MIN_VALUE (int_type_node);
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tree in_max = TYPE_MAX_VALUE (int_type_node);
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#else
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tree in_min = TYPE_MIN_VALUE (actual_type);
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tree in_max = TYPE_MAX_VALUE (actual_type);
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#endif
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TYPE_MIN_VALUE (type) = copy_node (in_min);
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TREE_TYPE (TYPE_MIN_VALUE (type)) = type;
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TYPE_MAX_VALUE (type) = copy_node (in_max);
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TREE_TYPE (TYPE_MAX_VALUE (type)) = type;
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TYPE_PRECISION (type) = TYPE_PRECISION (int_type_node);
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TYPE_STRING_FLAG (type) = TYPE_STRING_FLAG (actual_type);
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layout_type (type);
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pushdecl (build_decl (input_location,
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TYPE_DECL, get_identifier (name), type));
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return type;
|
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}
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|
|
/* Return tree that represents a vtable for a primitive array. */
|
|
static tree
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|
create_primitive_vtable (const char *name)
|
|
{
|
|
tree r;
|
|
char buf[50];
|
|
|
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sprintf (buf, "_Jv_%sVTable", name);
|
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r = build_decl (input_location,
|
|
VAR_DECL, get_identifier (buf), ptr_type_node);
|
|
DECL_EXTERNAL (r) = 1;
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|
return r;
|
|
}
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|
|
/* Parse the version string and compute the ABI version number. */
|
|
static void
|
|
parse_version (void)
|
|
{
|
|
const char *p = version_string;
|
|
unsigned int major = 0, minor = 0;
|
|
unsigned int abi_version;
|
|
|
|
/* Skip leading junk. */
|
|
while (*p && !ISDIGIT (*p))
|
|
++p;
|
|
gcc_assert (*p);
|
|
|
|
/* Extract major version. */
|
|
while (ISDIGIT (*p))
|
|
{
|
|
major = major * 10 + *p - '0';
|
|
++p;
|
|
}
|
|
|
|
gcc_assert (*p == '.' && ISDIGIT (p[1]));
|
|
++p;
|
|
|
|
/* Extract minor version. */
|
|
while (ISDIGIT (*p))
|
|
{
|
|
minor = minor * 10 + *p - '0';
|
|
++p;
|
|
}
|
|
|
|
if (flag_indirect_dispatch)
|
|
{
|
|
abi_version = GCJ_CURRENT_BC_ABI_VERSION;
|
|
abi_version |= FLAG_BINARYCOMPAT_ABI;
|
|
}
|
|
else /* C++ ABI */
|
|
{
|
|
/* Implicit in this computation is the idea that we won't break the
|
|
old-style binary ABI in a sub-minor release (e.g., from 4.0.0 to
|
|
4.0.1). */
|
|
abi_version = 100000 * major + 1000 * minor;
|
|
}
|
|
if (flag_bootstrap_classes)
|
|
abi_version |= FLAG_BOOTSTRAP_LOADER;
|
|
|
|
gcj_abi_version = build_int_cstu (ptr_type_node, abi_version);
|
|
}
|
|
|
|
void
|
|
java_init_decl_processing (void)
|
|
{
|
|
tree field = NULL_TREE;
|
|
tree t;
|
|
|
|
init_class_processing ();
|
|
|
|
current_function_decl = NULL;
|
|
current_binding_level = NULL_BINDING_LEVEL;
|
|
free_binding_level = NULL_BINDING_LEVEL;
|
|
pushlevel (0); /* make the binding_level structure for global names */
|
|
global_binding_level = current_binding_level;
|
|
|
|
/* Build common tree nodes, Java has an unsigned char. */
|
|
build_common_tree_nodes (false);
|
|
|
|
/* ??? Now we continue and override some of the built types again
|
|
with Java specific types. As the above generated types are
|
|
supposed to match the targets C ABI this isn't really the way
|
|
to go and any Java specifics should _not_ use those global types
|
|
if the Java ABI does not match the C one. */
|
|
|
|
byte_type_node = make_signed_type (8);
|
|
pushdecl (build_decl (BUILTINS_LOCATION,
|
|
TYPE_DECL, get_identifier ("byte"), byte_type_node));
|
|
short_type_node = make_signed_type (16);
|
|
pushdecl (build_decl (BUILTINS_LOCATION,
|
|
TYPE_DECL, get_identifier ("short"), short_type_node));
|
|
int_type_node = make_signed_type (32);
|
|
pushdecl (build_decl (BUILTINS_LOCATION,
|
|
TYPE_DECL, get_identifier ("int"), int_type_node));
|
|
long_type_node = make_signed_type (64);
|
|
pushdecl (build_decl (BUILTINS_LOCATION,
|
|
TYPE_DECL, get_identifier ("long"), long_type_node));
|
|
|
|
unsigned_byte_type_node = make_unsigned_type (8);
|
|
pushdecl (build_decl (BUILTINS_LOCATION,
|
|
TYPE_DECL, get_identifier ("unsigned byte"),
|
|
unsigned_byte_type_node));
|
|
unsigned_short_type_node = make_unsigned_type (16);
|
|
pushdecl (build_decl (BUILTINS_LOCATION,
|
|
TYPE_DECL, get_identifier ("unsigned short"),
|
|
unsigned_short_type_node));
|
|
unsigned_int_type_node = make_unsigned_type (32);
|
|
pushdecl (build_decl (BUILTINS_LOCATION,
|
|
TYPE_DECL, get_identifier ("unsigned int"),
|
|
unsigned_int_type_node));
|
|
unsigned_long_type_node = make_unsigned_type (64);
|
|
pushdecl (build_decl (BUILTINS_LOCATION,
|
|
TYPE_DECL, get_identifier ("unsigned long"),
|
|
unsigned_long_type_node));
|
|
|
|
/* Define these next since types below may used them. */
|
|
integer_type_node = java_type_for_size (INT_TYPE_SIZE, 0);
|
|
integer_zero_node = build_int_cst (NULL_TREE, 0);
|
|
integer_one_node = build_int_cst (NULL_TREE, 1);
|
|
integer_two_node = build_int_cst (NULL_TREE, 2);
|
|
integer_three_node = build_int_cst (NULL_TREE, 3);
|
|
integer_four_node = build_int_cst (NULL_TREE, 4);
|
|
integer_minus_one_node = build_int_cst (NULL_TREE, -1);
|
|
|
|
/* A few values used for range checking in the lexer. */
|
|
decimal_int_max = build_int_cstu (unsigned_int_type_node, 0x80000000);
|
|
decimal_long_max
|
|
= double_int_to_tree (unsigned_long_type_node,
|
|
double_int_zero.set_bit (64));
|
|
|
|
long_zero_node = build_int_cst (long_type_node, 0);
|
|
|
|
pushdecl (build_decl (BUILTINS_LOCATION,
|
|
TYPE_DECL, get_identifier ("void"), void_type_node));
|
|
|
|
t = make_node (VOID_TYPE);
|
|
layout_type (t); /* Uses size_zero_node */
|
|
return_address_type_node = build_pointer_type (t);
|
|
|
|
char_type_node = make_unsigned_type (16);
|
|
TYPE_STRING_FLAG (char_type_node) = 1;
|
|
pushdecl (build_decl (BUILTINS_LOCATION,
|
|
TYPE_DECL, get_identifier ("char"), char_type_node));
|
|
|
|
boolean_type_node = make_unsigned_type (1);
|
|
TREE_SET_CODE (boolean_type_node, BOOLEAN_TYPE);
|
|
pushdecl (build_decl (BUILTINS_LOCATION,
|
|
TYPE_DECL, get_identifier ("boolean"),
|
|
boolean_type_node));
|
|
boolean_false_node = TYPE_MIN_VALUE (boolean_type_node);
|
|
boolean_true_node = TYPE_MAX_VALUE (boolean_type_node);
|
|
|
|
promoted_byte_type_node
|
|
= push_promoted_type ("promoted_byte", byte_type_node);
|
|
promoted_short_type_node
|
|
= push_promoted_type ("promoted_short", short_type_node);
|
|
promoted_char_type_node
|
|
= push_promoted_type ("promoted_char", char_type_node);
|
|
promoted_boolean_type_node
|
|
= push_promoted_type ("promoted_boolean", boolean_type_node);
|
|
|
|
float_type_node = make_node (REAL_TYPE);
|
|
TYPE_PRECISION (float_type_node) = 32;
|
|
pushdecl (build_decl (BUILTINS_LOCATION,
|
|
TYPE_DECL, get_identifier ("float"),
|
|
float_type_node));
|
|
layout_type (float_type_node);
|
|
|
|
double_type_node = make_node (REAL_TYPE);
|
|
TYPE_PRECISION (double_type_node) = 64;
|
|
pushdecl (build_decl (BUILTINS_LOCATION,
|
|
TYPE_DECL, get_identifier ("double"),
|
|
double_type_node));
|
|
layout_type (double_type_node);
|
|
|
|
float_zero_node = build_real (float_type_node, dconst0);
|
|
double_zero_node = build_real (double_type_node, dconst0);
|
|
|
|
/* These are the vtables for arrays of primitives. */
|
|
boolean_array_vtable = create_primitive_vtable ("boolean");
|
|
byte_array_vtable = create_primitive_vtable ("byte");
|
|
char_array_vtable = create_primitive_vtable ("char");
|
|
short_array_vtable = create_primitive_vtable ("short");
|
|
int_array_vtable = create_primitive_vtable ("int");
|
|
long_array_vtable = create_primitive_vtable ("long");
|
|
float_array_vtable = create_primitive_vtable ("float");
|
|
double_array_vtable = create_primitive_vtable ("double");
|
|
|
|
one_elt_array_domain_type = build_index_type (integer_one_node);
|
|
utf8const_type = make_node (RECORD_TYPE);
|
|
PUSH_FIELD (input_location,
|
|
utf8const_type, field, "hash", unsigned_short_type_node);
|
|
PUSH_FIELD (input_location,
|
|
utf8const_type, field, "length", unsigned_short_type_node);
|
|
FINISH_RECORD (utf8const_type);
|
|
utf8const_ptr_type = build_pointer_type (utf8const_type);
|
|
|
|
atable_type = build_array_type (ptr_type_node,
|
|
one_elt_array_domain_type);
|
|
TYPE_NONALIASED_COMPONENT (atable_type) = 1;
|
|
atable_ptr_type = build_pointer_type (atable_type);
|
|
|
|
itable_type = build_array_type (ptr_type_node,
|
|
one_elt_array_domain_type);
|
|
TYPE_NONALIASED_COMPONENT (itable_type) = 1;
|
|
itable_ptr_type = build_pointer_type (itable_type);
|
|
|
|
symbol_type = make_node (RECORD_TYPE);
|
|
PUSH_FIELD (input_location,
|
|
symbol_type, field, "clname", utf8const_ptr_type);
|
|
PUSH_FIELD (input_location, symbol_type, field, "name", utf8const_ptr_type);
|
|
PUSH_FIELD (input_location,
|
|
symbol_type, field, "signature", utf8const_ptr_type);
|
|
FINISH_RECORD (symbol_type);
|
|
|
|
symbols_array_type = build_array_type (symbol_type,
|
|
one_elt_array_domain_type);
|
|
symbols_array_ptr_type = build_pointer_type (symbols_array_type);
|
|
|
|
assertion_entry_type = make_node (RECORD_TYPE);
|
|
PUSH_FIELD (input_location,
|
|
assertion_entry_type, field, "assertion_code", integer_type_node);
|
|
PUSH_FIELD (input_location,
|
|
assertion_entry_type, field, "op1", utf8const_ptr_type);
|
|
PUSH_FIELD (input_location,
|
|
assertion_entry_type, field, "op2", utf8const_ptr_type);
|
|
FINISH_RECORD (assertion_entry_type);
|
|
|
|
assertion_table_type = build_array_type (assertion_entry_type,
|
|
one_elt_array_domain_type);
|
|
|
|
/* As you're adding items here, please update the code right after
|
|
this section, so that the filename containing the source code of
|
|
the pre-defined class gets registered correctly. */
|
|
unqualified_object_id_node = get_identifier ("Object");
|
|
object_type_node = lookup_class (get_identifier ("java.lang.Object"));
|
|
object_ptr_type_node = promote_type (object_type_node);
|
|
string_type_node = lookup_class (get_identifier ("java.lang.String"));
|
|
string_ptr_type_node = promote_type (string_type_node);
|
|
class_type_node = lookup_class (get_identifier ("java.lang.Class"));
|
|
throwable_type_node = lookup_class (get_identifier ("java.lang.Throwable"));
|
|
exception_type_node = lookup_class (get_identifier ("java.lang.Exception"));
|
|
runtime_exception_type_node =
|
|
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")));
|
|
|
|
add_predefined_file (get_identifier ("java/lang/Class.java"));
|
|
add_predefined_file (get_identifier ("java/lang/Error.java"));
|
|
add_predefined_file (get_identifier ("java/lang/Object.java"));
|
|
add_predefined_file (get_identifier ("java/lang/RuntimeException.java"));
|
|
add_predefined_file (get_identifier ("java/lang/String.java"));
|
|
add_predefined_file (get_identifier ("java/lang/Throwable.java"));
|
|
add_predefined_file (get_identifier ("gnu/gcj/RawData.java"));
|
|
add_predefined_file (get_identifier ("java/lang/Exception.java"));
|
|
add_predefined_file (get_identifier ("java/lang/ClassNotFoundException.java"));
|
|
add_predefined_file (get_identifier ("java/lang/NoClassDefFoundError.java"));
|
|
|
|
methodtable_type = make_node (RECORD_TYPE);
|
|
layout_type (methodtable_type);
|
|
build_decl (BUILTINS_LOCATION,
|
|
TYPE_DECL, get_identifier ("methodtable"), methodtable_type);
|
|
methodtable_ptr_type = build_pointer_type (methodtable_type);
|
|
|
|
TYPE_identifier_node = get_identifier ("TYPE");
|
|
init_identifier_node = get_identifier ("<init>");
|
|
clinit_identifier_node = get_identifier ("<clinit>");
|
|
void_signature_node = get_identifier ("()V");
|
|
finalize_identifier_node = get_identifier ("finalize");
|
|
this_identifier_node = get_identifier ("this");
|
|
|
|
java_lang_cloneable_identifier_node = get_identifier ("java.lang.Cloneable");
|
|
java_io_serializable_identifier_node =
|
|
get_identifier ("java.io.Serializable");
|
|
|
|
/* for lack of a better place to put this stub call */
|
|
init_expr_processing();
|
|
|
|
constants_type_node = make_node (RECORD_TYPE);
|
|
PUSH_FIELD (input_location,
|
|
constants_type_node, field, "size", unsigned_int_type_node);
|
|
PUSH_FIELD (input_location,
|
|
constants_type_node, field, "tags", ptr_type_node);
|
|
PUSH_FIELD (input_location,
|
|
constants_type_node, field, "data", ptr_type_node);
|
|
constants_data_field_decl_node = field;
|
|
FINISH_RECORD (constants_type_node);
|
|
build_decl (BUILTINS_LOCATION,
|
|
TYPE_DECL, get_identifier ("constants"), constants_type_node);
|
|
|
|
access_flags_type_node = unsigned_short_type_node;
|
|
|
|
dtable_type = make_node (RECORD_TYPE);
|
|
dtable_ptr_type = build_pointer_type (dtable_type);
|
|
|
|
otable_type = build_array_type (integer_type_node,
|
|
one_elt_array_domain_type);
|
|
TYPE_NONALIASED_COMPONENT (otable_type) = 1;
|
|
otable_ptr_type = build_pointer_type (otable_type);
|
|
|
|
PUSH_FIELD (input_location,
|
|
object_type_node, field, "vtable", dtable_ptr_type);
|
|
DECL_FCONTEXT (field) = object_type_node;
|
|
TYPE_VFIELD (object_type_node) = field;
|
|
|
|
/* This isn't exactly true, but it is what we have in the source.
|
|
There is an unresolved issue here, which is whether the vtable
|
|
should be marked by the GC. */
|
|
if (! flag_hash_synchronization)
|
|
PUSH_FIELD (input_location, object_type_node, field, "sync_info",
|
|
build_pointer_type (object_type_node));
|
|
for (t = TYPE_FIELDS (object_type_node); t != NULL_TREE; t = DECL_CHAIN (t))
|
|
FIELD_PRIVATE (t) = 1;
|
|
FINISH_RECORD (object_type_node);
|
|
|
|
field_type_node = make_node (RECORD_TYPE);
|
|
field_ptr_type_node = build_pointer_type (field_type_node);
|
|
method_type_node = make_node (RECORD_TYPE);
|
|
method_ptr_type_node = build_pointer_type (method_type_node);
|
|
|
|
set_super_info (0, class_type_node, object_type_node, 0);
|
|
set_super_info (0, string_type_node, object_type_node, 0);
|
|
class_ptr_type = build_pointer_type (class_type_node);
|
|
|
|
PUSH_FIELD (input_location,
|
|
class_type_node, field, "next_or_version", class_ptr_type);
|
|
PUSH_FIELD (input_location,
|
|
class_type_node, field, "name", utf8const_ptr_type);
|
|
PUSH_FIELD (input_location,
|
|
class_type_node, field, "accflags", access_flags_type_node);
|
|
PUSH_FIELD (input_location,
|
|
class_type_node, field, "superclass", class_ptr_type);
|
|
PUSH_FIELD (input_location,
|
|
class_type_node, field, "constants", constants_type_node);
|
|
constants_field_decl_node = field;
|
|
PUSH_FIELD (input_location,
|
|
class_type_node, field, "methods", method_ptr_type_node);
|
|
PUSH_FIELD (input_location,
|
|
class_type_node, field, "method_count", short_type_node);
|
|
PUSH_FIELD (input_location,
|
|
class_type_node, field, "vtable_method_count", short_type_node);
|
|
PUSH_FIELD (input_location,
|
|
class_type_node, field, "fields", field_ptr_type_node);
|
|
PUSH_FIELD (input_location,
|
|
class_type_node, field, "size_in_bytes", int_type_node);
|
|
PUSH_FIELD (input_location,
|
|
class_type_node, field, "field_count", short_type_node);
|
|
PUSH_FIELD (input_location,
|
|
class_type_node, field, "static_field_count", short_type_node);
|
|
PUSH_FIELD (input_location,
|
|
class_type_node, field, "vtable", dtable_ptr_type);
|
|
PUSH_FIELD (input_location,
|
|
class_type_node, field, "otable", otable_ptr_type);
|
|
PUSH_FIELD (input_location,
|
|
class_type_node, field, "otable_syms",
|
|
symbols_array_ptr_type);
|
|
PUSH_FIELD (input_location,
|
|
class_type_node, field, "atable", atable_ptr_type);
|
|
PUSH_FIELD (input_location,
|
|
class_type_node, field, "atable_syms",
|
|
symbols_array_ptr_type);
|
|
PUSH_FIELD (input_location,
|
|
class_type_node, field, "itable", itable_ptr_type);
|
|
PUSH_FIELD (input_location, class_type_node, field, "itable_syms",
|
|
symbols_array_ptr_type);
|
|
PUSH_FIELD (input_location,
|
|
class_type_node, field, "catch_classes", ptr_type_node);
|
|
PUSH_FIELD (input_location, class_type_node, field, "interfaces",
|
|
build_pointer_type (class_ptr_type));
|
|
PUSH_FIELD (input_location, class_type_node, field, "loader", ptr_type_node);
|
|
PUSH_FIELD (input_location,
|
|
class_type_node, field, "interface_count", short_type_node);
|
|
PUSH_FIELD (input_location, class_type_node, field, "state", byte_type_node);
|
|
PUSH_FIELD (input_location, class_type_node, field, "thread", ptr_type_node);
|
|
PUSH_FIELD (input_location,
|
|
class_type_node, field, "depth", short_type_node);
|
|
PUSH_FIELD (input_location,
|
|
class_type_node, field, "ancestors", ptr_type_node);
|
|
PUSH_FIELD (input_location, class_type_node, field, "idt", ptr_type_node);
|
|
PUSH_FIELD (input_location,
|
|
class_type_node, field, "arrayclass", ptr_type_node);
|
|
PUSH_FIELD (input_location,
|
|
class_type_node, field, "protectionDomain", ptr_type_node);
|
|
PUSH_FIELD (input_location,
|
|
class_type_node, field, "assertion_table", ptr_type_node);
|
|
PUSH_FIELD (input_location,
|
|
class_type_node, field, "hack_signers", ptr_type_node);
|
|
PUSH_FIELD (input_location, class_type_node, field, "chain", ptr_type_node);
|
|
PUSH_FIELD (input_location,
|
|
class_type_node, field, "aux_info", ptr_type_node);
|
|
PUSH_FIELD (input_location, class_type_node, field, "engine", ptr_type_node);
|
|
PUSH_FIELD (input_location,
|
|
class_type_node, field, "reflection_data", ptr_type_node);
|
|
for (t = TYPE_FIELDS (class_type_node); t != NULL_TREE; t = DECL_CHAIN (t))
|
|
FIELD_PRIVATE (t) = 1;
|
|
push_super_field (class_type_node, object_type_node);
|
|
|
|
FINISH_RECORD (class_type_node);
|
|
build_decl (BUILTINS_LOCATION,
|
|
TYPE_DECL, get_identifier ("Class"), class_type_node);
|
|
|
|
field_info_union_node = make_node (UNION_TYPE);
|
|
PUSH_FIELD (input_location,
|
|
field_info_union_node, field, "boffset", int_type_node);
|
|
PUSH_FIELD (input_location,
|
|
field_info_union_node, field, "addr", ptr_type_node);
|
|
layout_type (field_info_union_node);
|
|
|
|
PUSH_FIELD (input_location,
|
|
field_type_node, field, "name", utf8const_ptr_type);
|
|
PUSH_FIELD (input_location, field_type_node, field, "type", class_ptr_type);
|
|
PUSH_FIELD (input_location,
|
|
field_type_node, field, "accflags", access_flags_type_node);
|
|
PUSH_FIELD (input_location,
|
|
field_type_node, field, "bsize", unsigned_short_type_node);
|
|
PUSH_FIELD (input_location,
|
|
field_type_node, field, "info", field_info_union_node);
|
|
FINISH_RECORD (field_type_node);
|
|
build_decl (BUILTINS_LOCATION,
|
|
TYPE_DECL, get_identifier ("Field"), field_type_node);
|
|
|
|
nativecode_ptr_array_type_node
|
|
= build_array_type (nativecode_ptr_type_node, one_elt_array_domain_type);
|
|
|
|
PUSH_FIELD (input_location,
|
|
dtable_type, field, "class", class_ptr_type);
|
|
PUSH_FIELD (input_location,
|
|
dtable_type, field, "methods", nativecode_ptr_array_type_node);
|
|
FINISH_RECORD (dtable_type);
|
|
build_decl (BUILTINS_LOCATION,
|
|
TYPE_DECL, get_identifier ("dispatchTable"), dtable_type);
|
|
|
|
jexception_type = make_node (RECORD_TYPE);
|
|
PUSH_FIELD (input_location,
|
|
jexception_type, field, "start_pc", ptr_type_node);
|
|
PUSH_FIELD (input_location, jexception_type, field, "end_pc", ptr_type_node);
|
|
PUSH_FIELD (input_location,
|
|
jexception_type, field, "handler_pc", ptr_type_node);
|
|
PUSH_FIELD (input_location,
|
|
jexception_type, field, "catch_type", class_ptr_type);
|
|
FINISH_RECORD (jexception_type);
|
|
build_decl (BUILTINS_LOCATION,
|
|
TYPE_DECL, get_identifier ("jexception"), field_type_node);
|
|
jexception_ptr_type = build_pointer_type (jexception_type);
|
|
|
|
lineNumberEntry_type = make_node (RECORD_TYPE);
|
|
PUSH_FIELD (input_location,
|
|
lineNumberEntry_type, field, "line_nr", unsigned_short_type_node);
|
|
PUSH_FIELD (input_location,
|
|
lineNumberEntry_type, field, "start_pc", ptr_type_node);
|
|
FINISH_RECORD (lineNumberEntry_type);
|
|
|
|
lineNumbers_type = make_node (RECORD_TYPE);
|
|
PUSH_FIELD (input_location,
|
|
lineNumbers_type, field, "length", unsigned_int_type_node);
|
|
FINISH_RECORD (lineNumbers_type);
|
|
|
|
PUSH_FIELD (input_location,
|
|
method_type_node, field, "name", utf8const_ptr_type);
|
|
PUSH_FIELD (input_location,
|
|
method_type_node, field, "signature", utf8const_ptr_type);
|
|
PUSH_FIELD (input_location,
|
|
method_type_node, field, "accflags", access_flags_type_node);
|
|
PUSH_FIELD (input_location,
|
|
method_type_node, field, "index", unsigned_short_type_node);
|
|
PUSH_FIELD (input_location,
|
|
method_type_node, field, "ncode", nativecode_ptr_type_node);
|
|
PUSH_FIELD (input_location,
|
|
method_type_node, field, "throws", ptr_type_node);
|
|
FINISH_RECORD (method_type_node);
|
|
build_decl (BUILTINS_LOCATION,
|
|
TYPE_DECL, get_identifier ("Method"), method_type_node);
|
|
|
|
end_params_node = tree_cons (NULL_TREE, void_type_node, NULL_TREE);
|
|
|
|
t = build_function_type_list (ptr_type_node, class_ptr_type, NULL_TREE);
|
|
alloc_object_node = add_builtin_function ("_Jv_AllocObject", t,
|
|
0, NOT_BUILT_IN, NULL, NULL_TREE);
|
|
DECL_IS_MALLOC (alloc_object_node) = 1;
|
|
alloc_no_finalizer_node =
|
|
add_builtin_function ("_Jv_AllocObjectNoFinalizer", t,
|
|
0, NOT_BUILT_IN, NULL, NULL_TREE);
|
|
DECL_IS_MALLOC (alloc_no_finalizer_node) = 1;
|
|
|
|
t = build_function_type_list (void_type_node, ptr_type_node, NULL_TREE);
|
|
soft_initclass_node = add_builtin_function ("_Jv_InitClass", t,
|
|
0, NOT_BUILT_IN, NULL, NULL_TREE);
|
|
t = build_function_type_list (ptr_type_node,
|
|
class_ptr_type, int_type_node, NULL_TREE);
|
|
soft_resolvepoolentry_node
|
|
= add_builtin_function ("_Jv_ResolvePoolEntry", t,
|
|
0,NOT_BUILT_IN, NULL, NULL_TREE);
|
|
DECL_PURE_P (soft_resolvepoolentry_node) = 1;
|
|
t = build_function_type_list (void_type_node,
|
|
class_ptr_type, int_type_node, NULL_TREE);
|
|
throw_node = add_builtin_function ("_Jv_Throw", t,
|
|
0, NOT_BUILT_IN, NULL, NULL_TREE);
|
|
/* Mark throw_nodes as `noreturn' functions with side effects. */
|
|
TREE_THIS_VOLATILE (throw_node) = 1;
|
|
TREE_SIDE_EFFECTS (throw_node) = 1;
|
|
|
|
t = build_function_type_list (void_type_node, ptr_type_node, NULL_TREE);
|
|
soft_monitorenter_node
|
|
= add_builtin_function ("_Jv_MonitorEnter", t, 0, NOT_BUILT_IN,
|
|
NULL, NULL_TREE);
|
|
soft_monitorexit_node
|
|
= add_builtin_function ("_Jv_MonitorExit", t, 0, NOT_BUILT_IN,
|
|
NULL, NULL_TREE);
|
|
|
|
t = build_function_type_list (ptr_type_node,
|
|
ptr_type_node, int_type_node, NULL_TREE);
|
|
soft_newarray_node
|
|
= add_builtin_function ("_Jv_NewPrimArray", t,
|
|
0, NOT_BUILT_IN, NULL, NULL_TREE);
|
|
DECL_IS_MALLOC (soft_newarray_node) = 1;
|
|
|
|
t = build_function_type_list (ptr_type_node,
|
|
int_type_node, class_ptr_type,
|
|
object_ptr_type_node, NULL_TREE);
|
|
soft_anewarray_node
|
|
= add_builtin_function ("_Jv_NewObjectArray", t,
|
|
0, NOT_BUILT_IN, NULL, NULL_TREE);
|
|
DECL_IS_MALLOC (soft_anewarray_node) = 1;
|
|
|
|
t = build_varargs_function_type_list (ptr_type_node,
|
|
ptr_type_node, int_type_node,
|
|
NULL_TREE);
|
|
soft_multianewarray_node
|
|
= add_builtin_function ("_Jv_NewMultiArray", t,
|
|
0, NOT_BUILT_IN, NULL, NULL_TREE);
|
|
DECL_IS_MALLOC (soft_multianewarray_node) = 1;
|
|
|
|
t = build_function_type_list (void_type_node, int_type_node, NULL_TREE);
|
|
soft_badarrayindex_node
|
|
= add_builtin_function ("_Jv_ThrowBadArrayIndex", t,
|
|
0, NOT_BUILT_IN, NULL, NULL_TREE);
|
|
/* Mark soft_badarrayindex_node as a `noreturn' function with side
|
|
effects. */
|
|
TREE_THIS_VOLATILE (soft_badarrayindex_node) = 1;
|
|
TREE_SIDE_EFFECTS (soft_badarrayindex_node) = 1;
|
|
|
|
t = build_function_type_list (void_type_node, NULL_TREE);
|
|
soft_nullpointer_node
|
|
= add_builtin_function ("_Jv_ThrowNullPointerException", t,
|
|
0, NOT_BUILT_IN, NULL, NULL_TREE);
|
|
/* Mark soft_nullpointer_node as a `noreturn' function with side
|
|
effects. */
|
|
TREE_THIS_VOLATILE (soft_nullpointer_node) = 1;
|
|
TREE_SIDE_EFFECTS (soft_nullpointer_node) = 1;
|
|
|
|
soft_abstractmethod_node
|
|
= add_builtin_function ("_Jv_ThrowAbstractMethodError", t,
|
|
0, NOT_BUILT_IN, NULL, NULL_TREE);
|
|
/* Mark soft_abstractmethod_node as a `noreturn' function with side
|
|
effects. */
|
|
TREE_THIS_VOLATILE (soft_abstractmethod_node) = 1;
|
|
TREE_SIDE_EFFECTS (soft_abstractmethod_node) = 1;
|
|
|
|
soft_nosuchfield_node
|
|
= add_builtin_function ("_Jv_ThrowNoSuchFieldError", t,
|
|
0, NOT_BUILT_IN, NULL, NULL_TREE);
|
|
/* Mark soft_nosuchfield_node as a `noreturn' function with side
|
|
effects. */
|
|
TREE_THIS_VOLATILE (soft_nosuchfield_node) = 1;
|
|
TREE_SIDE_EFFECTS (soft_nosuchfield_node) = 1;
|
|
|
|
t = build_function_type_list (ptr_type_node,
|
|
class_ptr_type, object_ptr_type_node,
|
|
NULL_TREE);
|
|
soft_checkcast_node
|
|
= add_builtin_function ("_Jv_CheckCast", t,
|
|
0, NOT_BUILT_IN, NULL, NULL_TREE);
|
|
t = build_function_type_list (boolean_type_node,
|
|
object_ptr_type_node, class_ptr_type,
|
|
NULL_TREE);
|
|
soft_instanceof_node
|
|
= add_builtin_function ("_Jv_IsInstanceOf", t,
|
|
0, NOT_BUILT_IN, NULL, NULL_TREE);
|
|
DECL_PURE_P (soft_instanceof_node) = 1;
|
|
t = build_function_type_list (void_type_node,
|
|
object_ptr_type_node, object_ptr_type_node,
|
|
NULL_TREE);
|
|
soft_checkarraystore_node
|
|
= add_builtin_function ("_Jv_CheckArrayStore", t,
|
|
0, NOT_BUILT_IN, NULL, NULL_TREE);
|
|
t = build_function_type_list (ptr_type_node,
|
|
ptr_type_node, ptr_type_node, int_type_node,
|
|
NULL_TREE);
|
|
soft_lookupinterfacemethod_node
|
|
= add_builtin_function ("_Jv_LookupInterfaceMethodIdx", t,
|
|
0, NOT_BUILT_IN, NULL, NULL_TREE);
|
|
DECL_PURE_P (soft_lookupinterfacemethod_node) = 1;
|
|
|
|
t = build_function_type_list (ptr_type_node,
|
|
ptr_type_node, ptr_type_node, ptr_type_node,
|
|
NULL_TREE);
|
|
soft_lookupinterfacemethodbyname_node
|
|
= add_builtin_function ("_Jv_LookupInterfaceMethod", t,
|
|
0, NOT_BUILT_IN, NULL, NULL_TREE);
|
|
t = build_function_type_list (ptr_type_node,
|
|
object_ptr_type_node, ptr_type_node,
|
|
ptr_type_node, int_type_node, NULL_TREE);
|
|
soft_lookupjnimethod_node
|
|
= add_builtin_function ("_Jv_LookupJNIMethod", t,
|
|
0, NOT_BUILT_IN, NULL, NULL_TREE);
|
|
t = build_function_type_list (ptr_type_node, ptr_type_node, NULL_TREE);
|
|
soft_getjnienvnewframe_node
|
|
= add_builtin_function ("_Jv_GetJNIEnvNewFrame", t,
|
|
0, NOT_BUILT_IN, NULL, NULL_TREE);
|
|
t = build_function_type_list (void_type_node, ptr_type_node, NULL_TREE);
|
|
soft_jnipopsystemframe_node
|
|
= add_builtin_function ("_Jv_JNI_PopSystemFrame", t,
|
|
0, NOT_BUILT_IN, NULL, NULL_TREE);
|
|
|
|
t = build_function_type_list (object_ptr_type_node,
|
|
object_ptr_type_node, NULL_TREE);
|
|
soft_unwrapjni_node
|
|
= add_builtin_function ("_Jv_UnwrapJNIweakReference", t,
|
|
0, NOT_BUILT_IN, NULL, NULL_TREE);
|
|
|
|
t = build_function_type_list (int_type_node,
|
|
int_type_node, int_type_node, NULL_TREE);
|
|
soft_idiv_node
|
|
= add_builtin_function ("_Jv_divI", t,
|
|
0, NOT_BUILT_IN, NULL, NULL_TREE);
|
|
|
|
soft_irem_node
|
|
= add_builtin_function ("_Jv_remI", t,
|
|
0, NOT_BUILT_IN, NULL, NULL_TREE);
|
|
|
|
t = build_function_type_list (long_type_node,
|
|
long_type_node, long_type_node, NULL_TREE);
|
|
soft_ldiv_node
|
|
= add_builtin_function ("_Jv_divJ", t,
|
|
0, NOT_BUILT_IN, NULL, NULL_TREE);
|
|
|
|
soft_lrem_node
|
|
= add_builtin_function ("_Jv_remJ", t,
|
|
0, NOT_BUILT_IN, NULL, NULL_TREE);
|
|
|
|
initialize_builtins ();
|
|
|
|
soft_fmod_node = builtin_decl_explicit (BUILT_IN_FMOD);
|
|
|
|
parse_version ();
|
|
}
|
|
|
|
|
|
/* Look up NAME in the current binding level and its superiors
|
|
in the namespace of variables, functions and typedefs.
|
|
Return a ..._DECL node of some kind representing its definition,
|
|
or return 0 if it is undefined. */
|
|
|
|
tree
|
|
lookup_name (tree name)
|
|
{
|
|
tree val;
|
|
if (current_binding_level != global_binding_level
|
|
&& IDENTIFIER_LOCAL_VALUE (name))
|
|
val = IDENTIFIER_LOCAL_VALUE (name);
|
|
else
|
|
val = IDENTIFIER_GLOBAL_VALUE (name);
|
|
return val;
|
|
}
|
|
|
|
/* Similar to `lookup_name' but look only at current binding level and
|
|
the previous one if it's the parameter level. */
|
|
|
|
static tree
|
|
lookup_name_current_level (tree name)
|
|
{
|
|
tree t;
|
|
|
|
if (current_binding_level == global_binding_level)
|
|
return IDENTIFIER_GLOBAL_VALUE (name);
|
|
|
|
if (IDENTIFIER_LOCAL_VALUE (name) == 0)
|
|
return 0;
|
|
|
|
for (t = current_binding_level->names; t; t = DECL_CHAIN (t))
|
|
if (DECL_NAME (t) == name)
|
|
break;
|
|
|
|
return t;
|
|
}
|
|
|
|
/* Record a decl-node X as belonging to the current lexical scope.
|
|
Check for errors (such as an incompatible declaration for the same
|
|
name already seen in the same scope).
|
|
|
|
Returns either X or an old decl for the same name.
|
|
If an old decl is returned, it may have been smashed
|
|
to agree with what X says. */
|
|
|
|
tree
|
|
pushdecl (tree x)
|
|
{
|
|
tree t;
|
|
tree name = DECL_NAME (x);
|
|
struct binding_level *b = current_binding_level;
|
|
|
|
if (TREE_CODE (x) != TYPE_DECL)
|
|
DECL_CONTEXT (x) = current_function_decl;
|
|
if (name)
|
|
{
|
|
t = lookup_name_current_level (name);
|
|
if (t != 0 && t == error_mark_node)
|
|
/* error_mark_node is 0 for a while during initialization! */
|
|
{
|
|
t = 0;
|
|
error ("%q+D used prior to declaration", x);
|
|
}
|
|
|
|
/* If we're naming a hitherto-unnamed type, set its TYPE_NAME
|
|
to point to the TYPE_DECL.
|
|
Since Java does not have typedefs, a type can only have
|
|
one (true) name, given by a class, interface, or builtin. */
|
|
if (TREE_CODE (x) == TYPE_DECL
|
|
&& TYPE_NAME (TREE_TYPE (x)) == 0
|
|
&& TREE_TYPE (x) != error_mark_node)
|
|
{
|
|
TYPE_NAME (TREE_TYPE (x)) = x;
|
|
TYPE_STUB_DECL (TREE_TYPE (x)) = x;
|
|
}
|
|
|
|
/* This name is new in its binding level.
|
|
Install the new declaration and return it. */
|
|
if (b == global_binding_level)
|
|
{
|
|
/* Install a global value. */
|
|
|
|
IDENTIFIER_GLOBAL_VALUE (name) = x;
|
|
}
|
|
else
|
|
{
|
|
/* Here to install a non-global value. */
|
|
tree oldlocal = IDENTIFIER_LOCAL_VALUE (name);
|
|
IDENTIFIER_LOCAL_VALUE (name) = x;
|
|
|
|
/* If storing a local value, there may already be one (inherited).
|
|
If so, record it for restoration when this binding level ends. */
|
|
if (oldlocal != 0)
|
|
b->shadowed = tree_cons (name, oldlocal, b->shadowed);
|
|
}
|
|
}
|
|
|
|
/* Put decls on list in reverse order.
|
|
We will reverse them later if necessary. */
|
|
DECL_CHAIN (x) = b->names;
|
|
b->names = x;
|
|
|
|
return x;
|
|
}
|
|
|
|
void
|
|
pushdecl_force_head (tree x)
|
|
{
|
|
current_binding_level->names = x;
|
|
}
|
|
|
|
/* Like pushdecl, only it places X in GLOBAL_BINDING_LEVEL, if appropriate. */
|
|
|
|
tree
|
|
pushdecl_top_level (tree x)
|
|
{
|
|
tree t;
|
|
struct binding_level *b = current_binding_level;
|
|
|
|
current_binding_level = global_binding_level;
|
|
t = pushdecl (x);
|
|
current_binding_level = b;
|
|
return t;
|
|
}
|
|
|
|
/* Like pushdecl, only it places X in FUNCTION_BINDING_LEVEL, if appropriate. */
|
|
|
|
tree
|
|
pushdecl_function_level (tree x)
|
|
{
|
|
tree t;
|
|
struct binding_level *b = current_binding_level;
|
|
|
|
current_binding_level = function_binding_level;
|
|
t = pushdecl (x);
|
|
current_binding_level = b;
|
|
return t;
|
|
}
|
|
|
|
/* Return true if we are in the global binding level. */
|
|
|
|
bool
|
|
global_bindings_p (void)
|
|
{
|
|
return current_binding_level == global_binding_level;
|
|
}
|
|
|
|
/* Return the list of declarations of the current level.
|
|
Note that this list is in reverse order unless/until
|
|
you nreverse it; and when you do nreverse it, you must
|
|
store the result back using `storedecls' or you will lose. */
|
|
|
|
tree
|
|
getdecls (void)
|
|
{
|
|
return current_binding_level->names;
|
|
}
|
|
|
|
/* Create a new `struct binding_level'. */
|
|
|
|
static struct binding_level *
|
|
make_binding_level (void)
|
|
{
|
|
/* NOSTRICT */
|
|
return ggc_cleared_alloc<binding_level> ();
|
|
}
|
|
|
|
void
|
|
pushlevel (int unused ATTRIBUTE_UNUSED)
|
|
{
|
|
struct binding_level *newlevel = NULL_BINDING_LEVEL;
|
|
|
|
/* Reuse or create a struct for this binding level. */
|
|
|
|
if (free_binding_level)
|
|
{
|
|
newlevel = free_binding_level;
|
|
free_binding_level = free_binding_level->level_chain;
|
|
}
|
|
else
|
|
{
|
|
newlevel = make_binding_level ();
|
|
}
|
|
|
|
/* Add this level to the front of the chain (stack) of levels that
|
|
are active. */
|
|
|
|
*newlevel = clear_binding_level;
|
|
newlevel->level_chain = current_binding_level;
|
|
newlevel->loc = input_location;
|
|
current_binding_level = newlevel;
|
|
#if defined(DEBUG_JAVA_BINDING_LEVELS)
|
|
newlevel->binding_depth = binding_depth;
|
|
indent ();
|
|
fprintf (stderr, "push %s level %p pc %d\n",
|
|
(is_class_level) ? "class" : "block", newlevel, current_pc);
|
|
is_class_level = 0;
|
|
binding_depth++;
|
|
#endif /* defined(DEBUG_JAVA_BINDING_LEVELS) */
|
|
}
|
|
|
|
/* Exit a binding level.
|
|
Pop the level off, and restore the state of the identifier-decl mappings
|
|
that were in effect when this level was entered.
|
|
|
|
If KEEP is nonzero, this level had explicit declarations, so
|
|
and create a "block" (a BLOCK node) for the level
|
|
to record its declarations and subblocks for symbol table output.
|
|
|
|
If FUNCTIONBODY is nonzero, this level is the body of a function,
|
|
so create a block as if KEEP were set and also clear out all
|
|
label names.
|
|
|
|
If REVERSE is nonzero, reverse the order of decls before putting
|
|
them into the BLOCK. */
|
|
|
|
tree
|
|
poplevel (int keep, int reverse, int functionbody)
|
|
{
|
|
tree link;
|
|
/* The chain of decls was accumulated in reverse order.
|
|
Put it into forward order, just for cleanliness. */
|
|
tree decls;
|
|
tree subblocks = current_binding_level->blocks;
|
|
tree block = 0;
|
|
tree decl;
|
|
tree bind = 0;
|
|
|
|
#if defined(DEBUG_JAVA_BINDING_LEVELS)
|
|
binding_depth--;
|
|
indent ();
|
|
if (current_binding_level->end_pc != LARGEST_PC)
|
|
fprintf (stderr, "pop %s level %p pc %d (end pc %d)\n",
|
|
(is_class_level) ? "class" : "block", current_binding_level, current_pc,
|
|
current_binding_level->end_pc);
|
|
else
|
|
fprintf (stderr, "pop %s level %p pc %d\n",
|
|
(is_class_level) ? "class" : "block", current_binding_level, current_pc);
|
|
#endif /* defined(DEBUG_JAVA_BINDING_LEVELS) */
|
|
|
|
/* Get the decls in the order they were written.
|
|
Usually current_binding_level->names is in reverse order.
|
|
But parameter decls were previously put in forward order. */
|
|
|
|
if (reverse)
|
|
current_binding_level->names
|
|
= decls = nreverse (current_binding_level->names);
|
|
else
|
|
decls = current_binding_level->names;
|
|
|
|
for (decl = decls; decl; decl = DECL_CHAIN (decl))
|
|
if (TREE_CODE (decl) == VAR_DECL
|
|
&& DECL_LANG_SPECIFIC (decl) != NULL
|
|
&& DECL_LOCAL_SLOT_NUMBER (decl))
|
|
LOCAL_VAR_OUT_OF_SCOPE_P (decl) = 1;
|
|
|
|
/* If there were any declarations in that level,
|
|
or if this level is a function body,
|
|
create a BLOCK to record them for the life of this function. */
|
|
|
|
block = 0;
|
|
if (keep || functionbody)
|
|
block = make_node (BLOCK);
|
|
|
|
if (current_binding_level->exception_range)
|
|
expand_end_java_handler (current_binding_level->exception_range);
|
|
|
|
if (block != 0)
|
|
{
|
|
/* If any statements have been generated at this level, create a
|
|
BIND_EXPR to hold them and copy the variables to it. This
|
|
only applies to the bytecode compiler. */
|
|
if (current_binding_level->stmts)
|
|
{
|
|
tree decl = decls;
|
|
tree *var = &BLOCK_VARS (block);
|
|
|
|
/* Copy decls from names list, ignoring labels. */
|
|
while (decl)
|
|
{
|
|
tree next = DECL_CHAIN (decl);
|
|
if (TREE_CODE (decl) != LABEL_DECL)
|
|
{
|
|
*var = decl;
|
|
var = &DECL_CHAIN (decl);
|
|
}
|
|
decl = next;
|
|
}
|
|
*var = NULL;
|
|
|
|
bind = build3 (BIND_EXPR, void_type_node, BLOCK_VARS (block),
|
|
BLOCK_EXPR_BODY (block), block);
|
|
BIND_EXPR_BODY (bind) = current_binding_level->stmts;
|
|
|
|
if (BIND_EXPR_BODY (bind)
|
|
&& TREE_SIDE_EFFECTS (BIND_EXPR_BODY (bind)))
|
|
TREE_SIDE_EFFECTS (bind) = 1;
|
|
|
|
/* FIXME: gimplifier brain damage. */
|
|
if (BIND_EXPR_BODY (bind) == NULL)
|
|
BIND_EXPR_BODY (bind) = build_java_empty_stmt ();
|
|
|
|
SET_EXPR_LOCATION (bind, current_binding_level->loc);
|
|
|
|
current_binding_level->stmts = NULL;
|
|
}
|
|
else
|
|
{
|
|
BLOCK_VARS (block) = decls;
|
|
}
|
|
BLOCK_SUBBLOCKS (block) = subblocks;
|
|
}
|
|
|
|
/* In each subblock, record that this is its superior. */
|
|
|
|
for (link = subblocks; link; link = BLOCK_CHAIN (link))
|
|
BLOCK_SUPERCONTEXT (link) = block;
|
|
|
|
/* Clear out the meanings of the local variables of this level. */
|
|
|
|
for (link = decls; link; link = DECL_CHAIN (link))
|
|
{
|
|
tree name = DECL_NAME (link);
|
|
if (name != 0 && IDENTIFIER_LOCAL_VALUE (name) == link)
|
|
{
|
|
/* If the ident. was used or addressed via a local extern decl,
|
|
don't forget that fact. */
|
|
if (DECL_EXTERNAL (link))
|
|
{
|
|
if (TREE_USED (link))
|
|
TREE_USED (name) = 1;
|
|
if (TREE_ADDRESSABLE (link))
|
|
TREE_ADDRESSABLE (DECL_ASSEMBLER_NAME (link)) = 1;
|
|
}
|
|
IDENTIFIER_LOCAL_VALUE (name) = 0;
|
|
}
|
|
}
|
|
|
|
/* Restore all name-meanings of the outer levels
|
|
that were shadowed by this level. */
|
|
|
|
for (link = current_binding_level->shadowed; link; link = TREE_CHAIN (link))
|
|
IDENTIFIER_LOCAL_VALUE (TREE_PURPOSE (link)) = TREE_VALUE (link);
|
|
|
|
/* If the level being exited is the top level of a function,
|
|
check over all the labels, and clear out the current
|
|
(function local) meanings of their names. */
|
|
|
|
if (functionbody)
|
|
{
|
|
/* If this is the top level block of a function,
|
|
the vars are the function's parameters.
|
|
Don't leave them in the BLOCK because they are
|
|
found in the FUNCTION_DECL instead. */
|
|
|
|
BLOCK_VARS (block) = 0;
|
|
}
|
|
|
|
/* Pop the current level, and free the structure for reuse. */
|
|
|
|
{
|
|
struct binding_level *level = current_binding_level;
|
|
current_binding_level = current_binding_level->level_chain;
|
|
|
|
level->level_chain = free_binding_level;
|
|
free_binding_level = level;
|
|
}
|
|
|
|
/* Dispose of the block that we just made inside some higher level. */
|
|
if (functionbody)
|
|
{
|
|
DECL_INITIAL (current_function_decl) = block;
|
|
DECL_SAVED_TREE (current_function_decl) = bind;
|
|
}
|
|
else
|
|
{
|
|
if (block)
|
|
{
|
|
current_binding_level->blocks
|
|
= block_chainon (current_binding_level->blocks, block);
|
|
}
|
|
/* If we did not make a block for the level just exited,
|
|
any blocks made for inner levels
|
|
(since they cannot be recorded as subblocks in that level)
|
|
must be carried forward so they will later become subblocks
|
|
of something else. */
|
|
else if (subblocks)
|
|
current_binding_level->blocks
|
|
= block_chainon (current_binding_level->blocks, subblocks);
|
|
|
|
if (bind)
|
|
java_add_stmt (bind);
|
|
}
|
|
|
|
if (block)
|
|
TREE_USED (block) = 1;
|
|
return block;
|
|
}
|
|
|
|
void
|
|
maybe_pushlevels (int pc)
|
|
{
|
|
#if defined(DEBUG_JAVA_BINDING_LEVELS)
|
|
current_pc = pc;
|
|
#endif
|
|
|
|
while (pending_local_decls != NULL_TREE &&
|
|
DECL_LOCAL_START_PC (pending_local_decls) <= pc)
|
|
{
|
|
tree *ptr = &pending_local_decls;
|
|
tree decl = *ptr, next;
|
|
int end_pc = DECL_LOCAL_END_PC (decl);
|
|
|
|
while (*ptr != NULL_TREE
|
|
&& DECL_LOCAL_START_PC (*ptr) <= pc
|
|
&& DECL_LOCAL_END_PC (*ptr) == end_pc)
|
|
ptr = &DECL_CHAIN (*ptr);
|
|
pending_local_decls = *ptr;
|
|
*ptr = NULL_TREE;
|
|
|
|
/* Force non-nested range to be nested in current range by
|
|
truncating variable lifetimes. */
|
|
if (end_pc > current_binding_level->end_pc)
|
|
{
|
|
tree t;
|
|
end_pc = current_binding_level->end_pc;
|
|
for (t = decl; t != NULL_TREE; t = DECL_CHAIN (t))
|
|
DECL_LOCAL_END_PC (t) = end_pc;
|
|
}
|
|
|
|
maybe_start_try (pc, end_pc);
|
|
|
|
pushlevel (1);
|
|
|
|
current_binding_level->end_pc = end_pc;
|
|
current_binding_level->start_pc = pc;
|
|
current_binding_level->names = NULL;
|
|
for ( ; decl != NULL_TREE; decl = next)
|
|
{
|
|
int index = DECL_LOCAL_SLOT_NUMBER (decl);
|
|
tree base_decl;
|
|
next = DECL_CHAIN (decl);
|
|
push_jvm_slot (index, decl);
|
|
pushdecl (decl);
|
|
base_decl
|
|
= find_local_variable (index, TREE_TYPE (decl), pc);
|
|
if (TREE_CODE (TREE_TYPE (base_decl)) == POINTER_TYPE)
|
|
base_decl = TREE_VEC_ELT (base_decl_map, index);
|
|
SET_DECL_VALUE_EXPR (decl, base_decl);
|
|
DECL_HAS_VALUE_EXPR_P (decl) = 1;
|
|
}
|
|
}
|
|
|
|
maybe_start_try (pc, 0);
|
|
}
|
|
|
|
void
|
|
maybe_poplevels (int pc)
|
|
{
|
|
#if defined(DEBUG_JAVA_BINDING_LEVELS)
|
|
current_pc = pc;
|
|
#endif
|
|
|
|
/* FIXME: I'm pretty sure that this is wrong. Variable scopes are
|
|
inclusive, so a variable is live if pc == end_pc. Here, we
|
|
terminate a range if the current pc is equal to the end of the
|
|
range, and this is *before* we have generated code for the
|
|
instruction at end_pc. We're closing a binding level one
|
|
instruction too early.*/
|
|
while (current_binding_level->end_pc <= pc)
|
|
poplevel (1, 0, 0);
|
|
}
|
|
|
|
/* Terminate any binding which began during the range beginning at
|
|
start_pc. This tidies up improperly nested local variable ranges
|
|
and exception handlers; a variable declared within an exception
|
|
range is forcibly terminated when that exception ends. */
|
|
|
|
void
|
|
force_poplevels (int start_pc)
|
|
{
|
|
while (current_binding_level->start_pc > start_pc)
|
|
{
|
|
if (pedantic && current_binding_level->start_pc > start_pc)
|
|
warning (0, "In %+D: overlapped variable and exception ranges at %d",
|
|
current_function_decl,
|
|
current_binding_level->start_pc);
|
|
poplevel (1, 0, 0);
|
|
}
|
|
}
|
|
|
|
/* integrate_decl_tree calls this function. */
|
|
|
|
void
|
|
java_dup_lang_specific_decl (tree node)
|
|
{
|
|
int lang_decl_size;
|
|
struct lang_decl *x;
|
|
|
|
if (!DECL_LANG_SPECIFIC (node))
|
|
return;
|
|
|
|
lang_decl_size = sizeof (struct lang_decl);
|
|
x = ggc_alloc<struct lang_decl> ();
|
|
memcpy (x, DECL_LANG_SPECIFIC (node), lang_decl_size);
|
|
DECL_LANG_SPECIFIC (node) = x;
|
|
}
|
|
|
|
void
|
|
give_name_to_locals (JCF *jcf)
|
|
{
|
|
int i, n = DECL_LOCALVARIABLES_OFFSET (current_function_decl);
|
|
int code_offset = DECL_CODE_OFFSET (current_function_decl);
|
|
tree parm;
|
|
pending_local_decls = NULL_TREE;
|
|
if (n == 0)
|
|
return;
|
|
JCF_SEEK (jcf, n);
|
|
n = JCF_readu2 (jcf);
|
|
for (i = 0; i < n; i++)
|
|
{
|
|
int start_pc = JCF_readu2 (jcf);
|
|
int length = JCF_readu2 (jcf);
|
|
int name_index = JCF_readu2 (jcf);
|
|
int signature_index = JCF_readu2 (jcf);
|
|
int slot = JCF_readu2 (jcf);
|
|
tree name = get_name_constant (jcf, name_index);
|
|
tree type = parse_signature (jcf, signature_index);
|
|
if (slot < DECL_ARG_SLOT_COUNT (current_function_decl)
|
|
&& start_pc == 0
|
|
&& length == DECL_CODE_LENGTH (current_function_decl))
|
|
{
|
|
tree decl = TREE_VEC_ELT (decl_map, slot);
|
|
DECL_NAME (decl) = name;
|
|
if (TREE_CODE (decl) != PARM_DECL || TREE_TYPE (decl) != type)
|
|
warning (0, "bad type in parameter debug info");
|
|
}
|
|
else
|
|
{
|
|
tree *ptr;
|
|
int end_pc = start_pc + length;
|
|
tree decl = build_decl (input_location, VAR_DECL, name, type);
|
|
if (end_pc > DECL_CODE_LENGTH (current_function_decl))
|
|
{
|
|
warning (0, "bad PC range for debug info for local %q+D",
|
|
decl);
|
|
end_pc = DECL_CODE_LENGTH (current_function_decl);
|
|
}
|
|
|
|
/* Adjust start_pc if necessary so that the local's first
|
|
store operation will use the relevant DECL as a
|
|
destination. Fore more information, read the leading
|
|
comments for expr.c:maybe_adjust_start_pc. */
|
|
start_pc = maybe_adjust_start_pc (jcf, code_offset, start_pc, slot);
|
|
|
|
MAYBE_CREATE_VAR_LANG_DECL_SPECIFIC (decl);
|
|
DECL_LOCAL_SLOT_NUMBER (decl) = slot;
|
|
DECL_LOCAL_START_PC (decl) = start_pc;
|
|
DECL_LOCAL_END_PC (decl) = end_pc;
|
|
|
|
/* Now insert the new decl in the proper place in
|
|
pending_local_decls. We are essentially doing an insertion sort,
|
|
which works fine, since the list input will normally already
|
|
be sorted. */
|
|
ptr = &pending_local_decls;
|
|
while (*ptr != NULL_TREE
|
|
&& (DECL_LOCAL_START_PC (*ptr) > start_pc
|
|
|| (DECL_LOCAL_START_PC (*ptr) == start_pc
|
|
&& DECL_LOCAL_END_PC (*ptr) < end_pc)))
|
|
ptr = &DECL_CHAIN (*ptr);
|
|
DECL_CHAIN (decl) = *ptr;
|
|
*ptr = decl;
|
|
}
|
|
}
|
|
|
|
pending_local_decls = nreverse (pending_local_decls);
|
|
|
|
/* Fill in default names for the parameters. */
|
|
for (parm = DECL_ARGUMENTS (current_function_decl), i = 0;
|
|
parm != NULL_TREE; parm = DECL_CHAIN (parm), i++)
|
|
{
|
|
if (DECL_NAME (parm) == NULL_TREE)
|
|
{
|
|
int arg_i = METHOD_STATIC (current_function_decl) ? i+1 : i;
|
|
if (arg_i == 0)
|
|
DECL_NAME (parm) = get_identifier ("this");
|
|
else
|
|
{
|
|
char buffer[12];
|
|
sprintf (buffer, "ARG_%d", arg_i);
|
|
DECL_NAME (parm) = get_identifier (buffer);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
tree
|
|
build_result_decl (tree fndecl)
|
|
{
|
|
tree restype = TREE_TYPE (TREE_TYPE (fndecl));
|
|
tree result = DECL_RESULT (fndecl);
|
|
if (! result)
|
|
{
|
|
result = build_decl (DECL_SOURCE_LOCATION (fndecl),
|
|
RESULT_DECL, NULL_TREE, restype);
|
|
DECL_ARTIFICIAL (result) = 1;
|
|
DECL_IGNORED_P (result) = 1;
|
|
DECL_CONTEXT (result) = fndecl;
|
|
DECL_RESULT (fndecl) = result;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
void
|
|
start_java_method (tree fndecl)
|
|
{
|
|
tree tem, *ptr;
|
|
int i;
|
|
|
|
uniq = 0;
|
|
|
|
current_function_decl = fndecl;
|
|
announce_function (fndecl);
|
|
|
|
i = DECL_MAX_LOCALS(fndecl) + DECL_MAX_STACK(fndecl);
|
|
decl_map = make_tree_vec (i);
|
|
base_decl_map = make_tree_vec (i);
|
|
type_map = XRESIZEVEC (tree, type_map, i);
|
|
|
|
#if defined(DEBUG_JAVA_BINDING_LEVELS)
|
|
fprintf (stderr, "%s:\n", lang_printable_name (fndecl, 2));
|
|
current_pc = 0;
|
|
#endif /* defined(DEBUG_JAVA_BINDING_LEVELS) */
|
|
pushlevel (1); /* Push parameters. */
|
|
|
|
ptr = &DECL_ARGUMENTS (fndecl);
|
|
for (tem = TYPE_ARG_TYPES (TREE_TYPE (fndecl)), i = 0;
|
|
tem != end_params_node; tem = TREE_CHAIN (tem), i++)
|
|
{
|
|
tree parm_name = NULL_TREE, parm_decl;
|
|
tree parm_type = TREE_VALUE (tem);
|
|
gcc_assert (i < DECL_MAX_LOCALS (fndecl));
|
|
|
|
parm_decl = build_decl (input_location, PARM_DECL, parm_name, parm_type);
|
|
DECL_CONTEXT (parm_decl) = fndecl;
|
|
if (targetm.calls.promote_prototypes (parm_type)
|
|
&& TYPE_PRECISION (parm_type) < TYPE_PRECISION (integer_type_node)
|
|
&& INTEGRAL_TYPE_P (parm_type))
|
|
parm_type = integer_type_node;
|
|
DECL_ARG_TYPE (parm_decl) = parm_type;
|
|
|
|
*ptr = parm_decl;
|
|
ptr = &DECL_CHAIN (parm_decl);
|
|
|
|
/* Add parm_decl to the decl_map. */
|
|
push_jvm_slot (i, parm_decl);
|
|
|
|
/* The this parameter of methods is artificial. */
|
|
if (TREE_CODE (TREE_TYPE (fndecl)) == METHOD_TYPE && i == 0)
|
|
DECL_ARTIFICIAL (parm_decl) = 1;
|
|
|
|
type_map[i] = TREE_TYPE (parm_decl);
|
|
if (TYPE_IS_WIDE (TREE_TYPE (parm_decl)))
|
|
{
|
|
i++;
|
|
type_map[i] = void_type_node;
|
|
}
|
|
}
|
|
*ptr = NULL_TREE;
|
|
DECL_ARG_SLOT_COUNT (current_function_decl) = i;
|
|
|
|
while (i < DECL_MAX_LOCALS(fndecl))
|
|
type_map[i++] = NULL_TREE;
|
|
|
|
build_result_decl (fndecl);
|
|
DECL_SOURCE_LOCATION (fndecl) = input_location;
|
|
|
|
/* Push local variables. */
|
|
pushlevel (2);
|
|
|
|
function_binding_level = current_binding_level;
|
|
}
|
|
|
|
void
|
|
end_java_method (void)
|
|
{
|
|
tree fndecl = current_function_decl;
|
|
|
|
/* pop out of function */
|
|
poplevel (1, 1, 0);
|
|
|
|
/* pop out of its parameters */
|
|
poplevel (1, 0, 1);
|
|
|
|
BLOCK_SUPERCONTEXT (DECL_INITIAL (fndecl)) = fndecl;
|
|
|
|
if (DECL_SAVED_TREE (fndecl))
|
|
{
|
|
tree fbody, block_body;
|
|
/* Before we check initialization, attached all class initialization
|
|
variable to the block_body */
|
|
fbody = DECL_SAVED_TREE (fndecl);
|
|
block_body = BIND_EXPR_BODY (fbody);
|
|
hash_table<treetreehasher> *ht = DECL_FUNCTION_INIT_TEST_TABLE (fndecl);
|
|
ht->traverse<tree, attach_init_test_initialization_flags> (block_body);
|
|
}
|
|
|
|
finish_method (fndecl);
|
|
|
|
current_function_decl = NULL_TREE;
|
|
base_decl_map = NULL_TREE;
|
|
}
|
|
|
|
/* Prepare a method for expansion. */
|
|
|
|
void
|
|
finish_method (tree fndecl)
|
|
{
|
|
tree *tp = &DECL_SAVED_TREE (fndecl);
|
|
|
|
/* Wrap body of synchronized methods in a monitorenter,
|
|
plus monitorexit cleanup. */
|
|
if (METHOD_SYNCHRONIZED (fndecl))
|
|
{
|
|
tree enter, exit, lock;
|
|
if (METHOD_STATIC (fndecl))
|
|
lock = build_class_ref (DECL_CONTEXT (fndecl));
|
|
else
|
|
lock = DECL_ARGUMENTS (fndecl);
|
|
BUILD_MONITOR_ENTER (enter, lock);
|
|
BUILD_MONITOR_EXIT (exit, lock);
|
|
*tp = build2 (COMPOUND_EXPR, void_type_node, enter,
|
|
build2 (TRY_FINALLY_EXPR, void_type_node, *tp, exit));
|
|
}
|
|
|
|
/* Convert function tree to GENERIC prior to inlining. */
|
|
java_genericize (fndecl);
|
|
|
|
/* Store the end of the function, so that we get good line number
|
|
info for the epilogue. */
|
|
if (DECL_STRUCT_FUNCTION (fndecl))
|
|
set_cfun (DECL_STRUCT_FUNCTION (fndecl));
|
|
else
|
|
allocate_struct_function (fndecl, false);
|
|
cfun->function_end_locus = DECL_FUNCTION_LAST_LINE (fndecl);
|
|
|
|
/* Defer inlining and expansion to the cgraph optimizers. */
|
|
cgraph_node::finalize_function (fndecl, false);
|
|
}
|
|
|
|
/* We pessimistically marked all methods and fields external until we
|
|
knew what set of classes we were planning to compile. Now mark those
|
|
associated with CLASS to be generated locally as not external. */
|
|
|
|
static void
|
|
java_mark_decl_local (tree decl)
|
|
{
|
|
DECL_EXTERNAL (decl) = 0;
|
|
|
|
/* Double check that we didn't pass the function to the callgraph early. */
|
|
if (flag_checking && TREE_CODE (decl) == FUNCTION_DECL)
|
|
{
|
|
struct cgraph_node *node = cgraph_node::get (decl);
|
|
gcc_assert (!node || !node->definition);
|
|
}
|
|
gcc_assert (!DECL_RTL_SET_P (decl));
|
|
}
|
|
|
|
/* Given appropriate target support, G++ will emit hidden aliases for native
|
|
methods. Using this hidden name is required for proper operation of
|
|
_Jv_Method::ncode, but it doesn't hurt to use it everywhere. Look for
|
|
proper target support, then mark the method for aliasing. */
|
|
|
|
static void
|
|
java_mark_cni_decl_local (tree decl)
|
|
{
|
|
#if !defined(HAVE_GAS_HIDDEN) || !defined(ASM_OUTPUT_DEF)
|
|
return;
|
|
#endif
|
|
|
|
DECL_VISIBILITY (decl) = VISIBILITY_HIDDEN;
|
|
DECL_LOCAL_CNI_METHOD_P (decl) = 1;
|
|
|
|
/* Setting DECL_LOCAL_CNI_METHOD_P changes the behavior of the
|
|
mangler. We might have already referenced this native method and
|
|
therefore created its name, but even if we have it won't hurt.
|
|
We'll just go via its externally visible name, rather than its
|
|
hidden alias. However, we must force things so that the correct
|
|
mangling is done. */
|
|
|
|
if (DECL_ASSEMBLER_NAME_SET_P (decl))
|
|
java_mangle_decl (decl);
|
|
if (DECL_RTL_SET_P (decl))
|
|
{
|
|
SET_DECL_RTL (decl, 0);
|
|
make_decl_rtl (decl);
|
|
}
|
|
}
|
|
|
|
/* Use the preceding two functions and mark all members of the class. */
|
|
|
|
void
|
|
java_mark_class_local (tree klass)
|
|
{
|
|
tree t;
|
|
|
|
for (t = TYPE_FIELDS (klass); t ; t = DECL_CHAIN (t))
|
|
if (FIELD_STATIC (t))
|
|
java_mark_decl_local (t);
|
|
|
|
for (t = TYPE_METHODS (klass); t ; t = DECL_CHAIN (t))
|
|
if (!METHOD_ABSTRACT (t))
|
|
{
|
|
if (METHOD_NATIVE (t) && !flag_jni)
|
|
java_mark_cni_decl_local (t);
|
|
else
|
|
java_mark_decl_local (t);
|
|
}
|
|
}
|
|
|
|
/* Add a statement to a compound_expr. */
|
|
|
|
tree
|
|
add_stmt_to_compound (tree existing, tree type, tree stmt)
|
|
{
|
|
if (!stmt)
|
|
return existing;
|
|
else if (existing)
|
|
{
|
|
tree expr = build2 (COMPOUND_EXPR, type, existing, stmt);
|
|
TREE_SIDE_EFFECTS (expr) = TREE_SIDE_EFFECTS (existing)
|
|
| TREE_SIDE_EFFECTS (stmt);
|
|
return expr;
|
|
}
|
|
else
|
|
return stmt;
|
|
}
|
|
|
|
/* If this node is an expr, mark its input location. Called from
|
|
walk_tree(). */
|
|
|
|
static tree
|
|
set_input_location (tree *tp, int *walk_subtrees ATTRIBUTE_UNUSED,
|
|
void *data ATTRIBUTE_UNUSED)
|
|
{
|
|
tree t = *tp;
|
|
|
|
if (CAN_HAVE_LOCATION_P (t))
|
|
{
|
|
if (EXPR_HAS_LOCATION(t))
|
|
return t; /* Don't walk any further into this expr. */
|
|
else
|
|
SET_EXPR_LOCATION (t, input_location);
|
|
}
|
|
|
|
return NULL_TREE; /* Continue walking this expr. */
|
|
}
|
|
|
|
/* Add a statement to the statement_list currently being constructed.
|
|
If the statement_list is null, we don't create a singleton list.
|
|
This is necessary because poplevel() assumes that adding a
|
|
statement to a null statement_list returns the statement. */
|
|
|
|
tree
|
|
java_add_stmt (tree new_stmt)
|
|
{
|
|
tree stmts = current_binding_level->stmts;
|
|
tree_stmt_iterator i;
|
|
|
|
if (LOCATION_FILE (input_location))
|
|
walk_tree (&new_stmt, set_input_location, NULL, NULL);
|
|
|
|
if (stmts == NULL)
|
|
return current_binding_level->stmts = new_stmt;
|
|
|
|
/* Force STMTS to be a statement_list. */
|
|
if (TREE_CODE (stmts) != STATEMENT_LIST)
|
|
{
|
|
tree t = make_node (STATEMENT_LIST);
|
|
i = tsi_last (t);
|
|
tsi_link_after (&i, stmts, TSI_CONTINUE_LINKING);
|
|
stmts = t;
|
|
}
|
|
|
|
i = tsi_last (stmts);
|
|
tsi_link_after (&i, new_stmt, TSI_CONTINUE_LINKING);
|
|
TREE_TYPE (stmts) = void_type_node;
|
|
|
|
return current_binding_level->stmts = stmts;
|
|
}
|
|
|
|
/* Add a variable to the current scope. */
|
|
|
|
tree
|
|
java_add_local_var (tree decl)
|
|
{
|
|
tree *vars = ¤t_binding_level->names;
|
|
tree next = *vars;
|
|
DECL_CHAIN (decl) = next;
|
|
*vars = decl;
|
|
DECL_CONTEXT (decl) = current_function_decl;
|
|
MAYBE_CREATE_VAR_LANG_DECL_SPECIFIC (decl);
|
|
return decl;
|
|
}
|
|
|
|
/* Return a pointer to the compound_expr currently being
|
|
constructed. */
|
|
|
|
tree *
|
|
get_stmts (void)
|
|
{
|
|
return ¤t_binding_level->stmts;
|
|
}
|
|
|
|
/* Register an exception range as belonging to the current binding
|
|
level. There may only be one: if there are more, we'll create more
|
|
binding levels. However, each range can have multiple handlers,
|
|
and these are expanded when we call expand_end_java_handler(). */
|
|
|
|
void
|
|
register_exception_range (struct eh_range *range, int pc, int end_pc)
|
|
{
|
|
gcc_assert (! current_binding_level->exception_range);
|
|
current_binding_level->exception_range = range;
|
|
current_binding_level->end_pc = end_pc;
|
|
current_binding_level->start_pc = pc;
|
|
}
|
|
|
|
#include "gt-java-decl.h"
|