/* Declarations to interface gcj with bytecode verifier.
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/* Declarations to interface gcj with bytecode verifier.
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Copyright (C) 2003, 2004, 2005, 2006, 2007, 2009
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Copyright (C) 2003, 2004, 2005, 2006, 2007, 2009
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Free Software Foundation, Inc.
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Free Software Foundation, Inc.
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This file is part of GCC.
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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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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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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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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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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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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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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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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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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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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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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>.
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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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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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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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The Free Software Foundation is independent of Sun Microsystems, Inc. */
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/* Written by Tom Tromey <tromey@redhat.com>. */
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/* Written by Tom Tromey <tromey@redhat.com>. */
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#ifndef GCC_VERIFY_H
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#ifndef GCC_VERIFY_H
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#define GCC_VERIFY_H
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#define GCC_VERIFY_H
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#include "system.h"
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#include "system.h"
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#include "coretypes.h"
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#include "coretypes.h"
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#include "jcf.h"
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#include "jcf.h"
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#include "tree.h"
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#include "tree.h"
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#include "java-tree.h"
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#include "java-tree.h"
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typedef JCF vfy_constants;
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typedef JCF vfy_constants;
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/* For our purposes a string is the same as an identifier. */
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/* For our purposes a string is the same as an identifier. */
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typedef tree vfy_string;
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typedef tree vfy_string;
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/* The TYPE_DECL for a class or primitive type. */
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/* The TYPE_DECL for a class or primitive type. */
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typedef tree vfy_jclass;
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typedef tree vfy_jclass;
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/* An unsigned jshort. */
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/* An unsigned jshort. */
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typedef uint16 vfy_uint_16;
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typedef uint16 vfy_uint_16;
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typedef struct
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typedef struct
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{
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{
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int handler, start, end, type;
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int handler, start, end, type;
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} vfy_exception;
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} vfy_exception;
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typedef struct
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typedef struct
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{
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{
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tree method;
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tree method;
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vfy_string signature;
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vfy_string signature;
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vfy_string name;
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vfy_string name;
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const unsigned char *bytes;
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const unsigned char *bytes;
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vfy_exception *exceptions;
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vfy_exception *exceptions;
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/* These fields are referred to directly by the verifier. */
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/* These fields are referred to directly by the verifier. */
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vfy_jclass defining_class;
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vfy_jclass defining_class;
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int max_stack;
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int max_stack;
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int max_locals;
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int max_locals;
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int code_length;
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int code_length;
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int exc_count;
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int exc_count;
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} vfy_method;
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} vfy_method;
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/* Entry point to the verifier. */
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/* Entry point to the verifier. */
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int verify_jvm_instructions_new (JCF *jcf, const unsigned char *byte_ops,
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int verify_jvm_instructions_new (JCF *jcf, const unsigned char *byte_ops,
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long length);
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long length);
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void *vfy_alloc (size_t bytes);
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void *vfy_alloc (size_t bytes);
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void vfy_free (void *mem);
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void vfy_free (void *mem);
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bool vfy_strings_equal (vfy_string one, vfy_string two);
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bool vfy_strings_equal (vfy_string one, vfy_string two);
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const char *vfy_string_bytes (vfy_string str);
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const char *vfy_string_bytes (vfy_string str);
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int vfy_string_length (vfy_string str);
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int vfy_string_length (vfy_string str);
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vfy_string vfy_get_string (const char *chars, int length);
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vfy_string vfy_get_string (const char *chars, int length);
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vfy_string vfy_init_name (void);
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vfy_string vfy_init_name (void);
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vfy_string vfy_clinit_name (void);
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vfy_string vfy_clinit_name (void);
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int vfy_count_arguments (vfy_string signature);
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int vfy_count_arguments (vfy_string signature);
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vfy_string vfy_get_signature (vfy_method *method);
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vfy_string vfy_get_signature (vfy_method *method);
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vfy_string vfy_get_method_name (vfy_method *method);
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vfy_string vfy_get_method_name (vfy_method *method);
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bool vfy_is_static (vfy_method *method);
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bool vfy_is_static (vfy_method *method);
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const unsigned char *vfy_get_bytecode (vfy_method *method);
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const unsigned char *vfy_get_bytecode (vfy_method *method);
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vfy_exception *vfy_get_exceptions (vfy_method *method);
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vfy_exception *vfy_get_exceptions (vfy_method *method);
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void vfy_get_exception (vfy_exception *, int index, int *handler,
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void vfy_get_exception (vfy_exception *, int index, int *handler,
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int *start, int *end, int *handler_type);
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int *start, int *end, int *handler_type);
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int vfy_tag (vfy_constants *pool, int index);
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int vfy_tag (vfy_constants *pool, int index);
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void vfy_load_indexes (vfy_constants *pool, int index,
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void vfy_load_indexes (vfy_constants *pool, int index,
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vfy_uint_16 *index0, vfy_uint_16 *index1);
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vfy_uint_16 *index0, vfy_uint_16 *index1);
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vfy_constants *vfy_get_constants (vfy_jclass klass);
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vfy_constants *vfy_get_constants (vfy_jclass klass);
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int vfy_get_constants_size (vfy_jclass klass);
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int vfy_get_constants_size (vfy_jclass klass);
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vfy_string vfy_get_pool_string (vfy_constants *pool, int index);
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vfy_string vfy_get_pool_string (vfy_constants *pool, int index);
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vfy_jclass vfy_get_pool_class (vfy_constants *pool, int index);
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vfy_jclass vfy_get_pool_class (vfy_constants *pool, int index);
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vfy_string vfy_get_class_name (vfy_jclass klass);
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vfy_string vfy_get_class_name (vfy_jclass klass);
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bool vfy_is_assignable_from (vfy_jclass target, vfy_jclass source);
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bool vfy_is_assignable_from (vfy_jclass target, vfy_jclass source);
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char vfy_get_primitive_char (vfy_jclass klass);
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char vfy_get_primitive_char (vfy_jclass klass);
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int vfy_get_interface_count (vfy_jclass klass);
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int vfy_get_interface_count (vfy_jclass klass);
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vfy_jclass vfy_get_interface (vfy_jclass klass, int index);
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vfy_jclass vfy_get_interface (vfy_jclass klass, int index);
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bool vfy_is_array (vfy_jclass klass);
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bool vfy_is_array (vfy_jclass klass);
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bool vfy_is_interface (vfy_jclass klass);
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bool vfy_is_interface (vfy_jclass klass);
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bool vfy_is_primitive (vfy_jclass klass);
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bool vfy_is_primitive (vfy_jclass klass);
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vfy_jclass vfy_get_superclass (vfy_jclass klass);
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vfy_jclass vfy_get_superclass (vfy_jclass klass);
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vfy_jclass vfy_get_array_class (vfy_jclass klass);
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vfy_jclass vfy_get_array_class (vfy_jclass klass);
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vfy_jclass vfy_get_component_type (vfy_jclass klass);
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vfy_jclass vfy_get_component_type (vfy_jclass klass);
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bool vfy_is_abstract (vfy_jclass klass);
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bool vfy_is_abstract (vfy_jclass klass);
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vfy_jclass vfy_find_class (vfy_jclass klass, vfy_string name);
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vfy_jclass vfy_find_class (vfy_jclass klass, vfy_string name);
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vfy_jclass vfy_object_type (void);
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vfy_jclass vfy_object_type (void);
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vfy_jclass vfy_class_type (void);
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vfy_jclass vfy_class_type (void);
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vfy_jclass vfy_string_type (void);
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vfy_jclass vfy_string_type (void);
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vfy_jclass vfy_throwable_type (void);
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vfy_jclass vfy_throwable_type (void);
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vfy_jclass vfy_unsuitable_type (void);
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vfy_jclass vfy_unsuitable_type (void);
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vfy_jclass vfy_return_address_type (void);
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vfy_jclass vfy_return_address_type (void);
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vfy_jclass vfy_null_type (void);
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vfy_jclass vfy_null_type (void);
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int vfy_fail (const char *message, int pc, vfy_jclass ignore1,
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int vfy_fail (const char *message, int pc, vfy_jclass ignore1,
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vfy_method *method);
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vfy_method *method);
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vfy_jclass vfy_get_primitive_type (int type);
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vfy_jclass vfy_get_primitive_type (int type);
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void vfy_note_stack_depth (vfy_method *method, int pc, int depth);
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void vfy_note_stack_depth (vfy_method *method, int pc, int depth);
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void vfy_note_stack_type (vfy_method *method, int pc, int slot,
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void vfy_note_stack_type (vfy_method *method, int pc, int slot,
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vfy_jclass type);
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vfy_jclass type);
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void vfy_note_local_type (vfy_method *method, int pc, int slot,
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void vfy_note_local_type (vfy_method *method, int pc, int slot,
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vfy_jclass type);
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vfy_jclass type);
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void vfy_note_instruction_seen (int pc);
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void vfy_note_instruction_seen (int pc);
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bool vfy_class_has_field (vfy_jclass klass, vfy_string name,
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bool vfy_class_has_field (vfy_jclass klass, vfy_string name,
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vfy_string signature);
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vfy_string signature);
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#define GLOM(name, stuff) name ## stuff
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#define GLOM(name, stuff) name ## stuff
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#define VFY_PRIMITIVE_CLASS(name) \
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#define VFY_PRIMITIVE_CLASS(name) \
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vfy_get_primitive_type ((int) (GLOM (name, _type)))
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vfy_get_primitive_type ((int) (GLOM (name, _type)))
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typedef enum
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typedef enum
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{
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{
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#define JAVAOP(name, num, ignore1, ignore2, ignore3) \
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#define JAVAOP(name, num, ignore1, ignore2, ignore3) \
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GLOM (op_, name) = num,
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GLOM (op_, name) = num,
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#include "javaop.def"
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#include "javaop.def"
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java_opcode_end
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java_opcode_end
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} java_opcode;
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} java_opcode;
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#define JV_CONSTANT_Class CONSTANT_Class
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#define JV_CONSTANT_Class CONSTANT_Class
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#define JV_CONSTANT_ResolvedClass CONSTANT_ResolvedClass
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#define JV_CONSTANT_ResolvedClass CONSTANT_ResolvedClass
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#define JV_CONSTANT_String CONSTANT_String
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#define JV_CONSTANT_String CONSTANT_String
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#define JV_CONSTANT_ResolvedString CONSTANT_ResolvedString
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#define JV_CONSTANT_ResolvedString CONSTANT_ResolvedString
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#define JV_CONSTANT_Integer CONSTANT_Integer
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#define JV_CONSTANT_Integer CONSTANT_Integer
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#define JV_CONSTANT_Float CONSTANT_Float
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#define JV_CONSTANT_Float CONSTANT_Float
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#define JV_CONSTANT_Long CONSTANT_Long
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#define JV_CONSTANT_Long CONSTANT_Long
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#define JV_CONSTANT_Double CONSTANT_Double
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#define JV_CONSTANT_Double CONSTANT_Double
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#define JV_CONSTANT_Fieldref CONSTANT_Fieldref
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#define JV_CONSTANT_Fieldref CONSTANT_Fieldref
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#define JV_CONSTANT_InterfaceMethodref CONSTANT_InterfaceMethodref
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#define JV_CONSTANT_InterfaceMethodref CONSTANT_InterfaceMethodref
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#define JV_CONSTANT_Methodref CONSTANT_Methodref
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#define JV_CONSTANT_Methodref CONSTANT_Methodref
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int verify_method (vfy_method *meth);
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int verify_method (vfy_method *meth);
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#endif /* ! GCC_VERIFY_H */
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#endif /* ! GCC_VERIFY_H */
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