/* This file read a Java(TM) .class file.
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/* This file read a Java(TM) .class file.
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It is not stand-alone: It depends on tons of macros, and the
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It is not stand-alone: It depends on tons of macros, and the
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intent is you #include this file after you've defined the macros.
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intent is you #include this file after you've defined the macros.
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Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2005, 2006,
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Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2005, 2006,
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2007, 2008 Free Software Foundation, Inc.
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2007, 2008 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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|
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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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|
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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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|
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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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|
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#include "jcf.h"
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#include "jcf.h"
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#include "zipfile.h"
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#include "zipfile.h"
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|
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static int get_attribute (JCF *, int, jv_attr_type);
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static int get_attribute (JCF *, int, jv_attr_type);
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static int jcf_parse_preamble (JCF *);
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static int jcf_parse_preamble (JCF *);
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static int jcf_parse_constant_pool (JCF *);
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static int jcf_parse_constant_pool (JCF *);
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static void jcf_parse_class (JCF *);
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static void jcf_parse_class (JCF *);
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static int jcf_parse_fields (JCF *);
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static int jcf_parse_fields (JCF *);
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static int jcf_parse_one_method (JCF *, int);
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static int jcf_parse_one_method (JCF *, int);
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static int jcf_parse_methods (JCF *);
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static int jcf_parse_methods (JCF *);
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static int jcf_parse_final_attributes (JCF *);
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static int jcf_parse_final_attributes (JCF *);
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#ifdef NEED_PEEK_ATTRIBUTE
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#ifdef NEED_PEEK_ATTRIBUTE
|
static int peek_attribute (JCF *, int, const char *, int);
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static int peek_attribute (JCF *, int, const char *, int);
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#endif
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#endif
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#ifdef NEED_SKIP_ATTRIBUTE
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#ifdef NEED_SKIP_ATTRIBUTE
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static void skip_attribute (JCF *, int);
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static void skip_attribute (JCF *, int);
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#endif
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#endif
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|
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/* Go through all available attribute (ATTRIBUTE_NUMER) and try to
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/* Go through all available attribute (ATTRIBUTE_NUMER) and try to
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identify PEEKED_NAME. Return 1 if PEEKED_NAME was found, 0
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identify PEEKED_NAME. Return 1 if PEEKED_NAME was found, 0
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otherwise. JCF is restored to its initial position before
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otherwise. JCF is restored to its initial position before
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returning. */
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returning. */
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|
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#ifdef NEED_PEEK_ATTRIBUTE /* Not everyone uses this function */
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#ifdef NEED_PEEK_ATTRIBUTE /* Not everyone uses this function */
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static int
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static int
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peek_attribute (JCF *jcf, int attribute_number, const char *peeked_name,
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peek_attribute (JCF *jcf, int attribute_number, const char *peeked_name,
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int peeked_name_length)
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int peeked_name_length)
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{
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{
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int to_return = 0;
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int to_return = 0;
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long absolute_offset = (long)JCF_TELL (jcf);
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long absolute_offset = (long)JCF_TELL (jcf);
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int i;
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int i;
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|
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for (i = 0; !to_return && i < attribute_number; i++)
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for (i = 0; !to_return && i < attribute_number; i++)
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{
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{
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uint16 attribute_name = (JCF_FILL (jcf, 6), JCF_readu2 (jcf));
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uint16 attribute_name = (JCF_FILL (jcf, 6), JCF_readu2 (jcf));
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uint32 attribute_length = JCF_readu4 (jcf);
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uint32 attribute_length = JCF_readu4 (jcf);
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int name_length;
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int name_length;
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const unsigned char *name_data;
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const unsigned char *name_data;
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|
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JCF_FILL (jcf, (long) attribute_length);
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JCF_FILL (jcf, (long) attribute_length);
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if (attribute_name <= 0 || attribute_name >= JPOOL_SIZE(jcf)
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if (attribute_name <= 0 || attribute_name >= JPOOL_SIZE(jcf)
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|| JPOOL_TAG (jcf, attribute_name) != CONSTANT_Utf8)
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|| JPOOL_TAG (jcf, attribute_name) != CONSTANT_Utf8)
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continue;
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continue;
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|
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name_length = JPOOL_UTF_LENGTH (jcf, attribute_name);
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name_length = JPOOL_UTF_LENGTH (jcf, attribute_name);
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name_data = JPOOL_UTF_DATA (jcf, attribute_name);
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name_data = JPOOL_UTF_DATA (jcf, attribute_name);
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|
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if (name_length == peeked_name_length
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if (name_length == peeked_name_length
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&& ! memcmp (name_data, peeked_name, peeked_name_length))
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&& ! memcmp (name_data, peeked_name, peeked_name_length))
|
{
|
{
|
to_return = 1;
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to_return = 1;
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break;
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break;
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}
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}
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|
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JCF_SKIP (jcf, attribute_length);
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JCF_SKIP (jcf, attribute_length);
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}
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}
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|
|
JCF_SEEK (jcf, absolute_offset);
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JCF_SEEK (jcf, absolute_offset);
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return to_return;
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return to_return;
|
}
|
}
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#endif
|
#endif
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|
|
#ifdef NEED_SKIP_ATTRIBUTE /* Not everyone uses this function */
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#ifdef NEED_SKIP_ATTRIBUTE /* Not everyone uses this function */
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static void
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static void
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skip_attribute (JCF *jcf, int number_of_attribute)
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skip_attribute (JCF *jcf, int number_of_attribute)
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{
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{
|
while (number_of_attribute--)
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while (number_of_attribute--)
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{
|
{
|
JCF_u4 N;
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JCF_u4 N;
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JCF_FILL (jcf, 6);
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JCF_FILL (jcf, 6);
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(void) JCF_readu2 (jcf);
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(void) JCF_readu2 (jcf);
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N = JCF_readu4 (jcf);
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N = JCF_readu4 (jcf);
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JCF_SKIP (jcf, N);
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JCF_SKIP (jcf, N);
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}
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}
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}
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}
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#endif
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#endif
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static int
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static int
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get_attribute (JCF *jcf, int index,
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get_attribute (JCF *jcf, int index,
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jv_attr_type attr_type ATTRIBUTE_UNUSED)
|
jv_attr_type attr_type ATTRIBUTE_UNUSED)
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{
|
{
|
uint16 attribute_name = (JCF_FILL (jcf, 6), JCF_readu2 (jcf));
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uint16 attribute_name = (JCF_FILL (jcf, 6), JCF_readu2 (jcf));
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uint32 attribute_length = JCF_readu4 (jcf);
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uint32 attribute_length = JCF_readu4 (jcf);
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uint32 start_pos = JCF_TELL(jcf);
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uint32 start_pos = JCF_TELL(jcf);
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int name_length;
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int name_length;
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const unsigned char *name_data;
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const unsigned char *name_data;
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JCF_FILL (jcf, (long) attribute_length);
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JCF_FILL (jcf, (long) attribute_length);
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if (attribute_name <= 0 || attribute_name >= JPOOL_SIZE(jcf))
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if (attribute_name <= 0 || attribute_name >= JPOOL_SIZE(jcf))
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return -2;
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return -2;
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if (JPOOL_TAG (jcf, attribute_name) != CONSTANT_Utf8)
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if (JPOOL_TAG (jcf, attribute_name) != CONSTANT_Utf8)
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return -2;
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return -2;
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name_length = JPOOL_UTF_LENGTH (jcf, attribute_name);
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name_length = JPOOL_UTF_LENGTH (jcf, attribute_name);
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name_data = JPOOL_UTF_DATA (jcf, attribute_name);
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name_data = JPOOL_UTF_DATA (jcf, attribute_name);
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|
|
#define MATCH_ATTRIBUTE(S) \
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#define MATCH_ATTRIBUTE(S) \
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(name_length == sizeof (S)-1 && memcmp (name_data, S, sizeof (S)-1) == 0)
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(name_length == sizeof (S)-1 && memcmp (name_data, S, sizeof (S)-1) == 0)
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|
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#ifdef IGNORE_ATTRIBUTE
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#ifdef IGNORE_ATTRIBUTE
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if (IGNORE_ATTRIBUTE (jcf, attribute_name, attribute_length))
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if (IGNORE_ATTRIBUTE (jcf, attribute_name, attribute_length))
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{
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{
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JCF_SKIP (jcf, attribute_length);
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JCF_SKIP (jcf, attribute_length);
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}
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}
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else
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else
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#endif
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#endif
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#ifdef HANDLE_SOURCEFILE
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#ifdef HANDLE_SOURCEFILE
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if (MATCH_ATTRIBUTE ("SourceFile"))
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if (MATCH_ATTRIBUTE ("SourceFile"))
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{
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{
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uint16 sourcefile_index = JCF_readu2 (jcf);
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uint16 sourcefile_index = JCF_readu2 (jcf);
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HANDLE_SOURCEFILE(sourcefile_index);
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HANDLE_SOURCEFILE(sourcefile_index);
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}
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}
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else
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else
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#endif
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#endif
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#ifdef HANDLE_CONSTANTVALUE
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#ifdef HANDLE_CONSTANTVALUE
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if (MATCH_ATTRIBUTE ("ConstantValue"))
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if (MATCH_ATTRIBUTE ("ConstantValue"))
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{
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{
|
uint16 constantvalue_index = JCF_readu2 (jcf);
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uint16 constantvalue_index = JCF_readu2 (jcf);
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if (constantvalue_index <= 0 || constantvalue_index >= JPOOL_SIZE(jcf))
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if (constantvalue_index <= 0 || constantvalue_index >= JPOOL_SIZE(jcf))
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return -2;
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return -2;
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HANDLE_CONSTANTVALUE(constantvalue_index);
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HANDLE_CONSTANTVALUE(constantvalue_index);
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}
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}
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else
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else
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#endif
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#endif
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#ifdef HANDLE_CODE_ATTRIBUTE
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#ifdef HANDLE_CODE_ATTRIBUTE
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if (MATCH_ATTRIBUTE ("Code"))
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if (MATCH_ATTRIBUTE ("Code"))
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{
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{
|
uint16 j;
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uint16 j;
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uint16 max_stack ATTRIBUTE_UNUSED = JCF_readu2 (jcf);
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uint16 max_stack ATTRIBUTE_UNUSED = JCF_readu2 (jcf);
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uint16 max_locals ATTRIBUTE_UNUSED = JCF_readu2 (jcf);
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uint16 max_locals ATTRIBUTE_UNUSED = JCF_readu2 (jcf);
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uint32 code_length = JCF_readu4 (jcf);
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uint32 code_length = JCF_readu4 (jcf);
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uint16 exception_table_length, attributes_count;
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uint16 exception_table_length, attributes_count;
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if (code_length + 12 > attribute_length)
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if (code_length + 12 > attribute_length)
|
return -1;
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return -1;
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HANDLE_CODE_ATTRIBUTE(max_stack, max_locals, code_length);
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HANDLE_CODE_ATTRIBUTE(max_stack, max_locals, code_length);
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JCF_SKIP (jcf, code_length);
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JCF_SKIP (jcf, code_length);
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exception_table_length = JCF_readu2 (jcf);
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exception_table_length = JCF_readu2 (jcf);
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if (code_length + 8 * exception_table_length + 12 > attribute_length)
|
if (code_length + 8 * exception_table_length + 12 > attribute_length)
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return -1;
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return -1;
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#ifdef HANDLE_EXCEPTION_TABLE
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#ifdef HANDLE_EXCEPTION_TABLE
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HANDLE_EXCEPTION_TABLE (jcf->read_ptr, exception_table_length);
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HANDLE_EXCEPTION_TABLE (jcf->read_ptr, exception_table_length);
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#endif
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#endif
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JCF_SKIP (jcf, 2 * 4 * exception_table_length);
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JCF_SKIP (jcf, 2 * 4 * exception_table_length);
|
attributes_count = JCF_readu2 (jcf);
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attributes_count = JCF_readu2 (jcf);
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for (j = 0; j < attributes_count; j++)
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for (j = 0; j < attributes_count; j++)
|
{
|
{
|
int code = get_attribute (jcf, index, JV_METHOD_ATTR);
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int code = get_attribute (jcf, index, JV_METHOD_ATTR);
|
if (code != 0)
|
if (code != 0)
|
return code;
|
return code;
|
}
|
}
|
}
|
}
|
else
|
else
|
#endif /* HANDLE_CODE_ATTRIBUTE */
|
#endif /* HANDLE_CODE_ATTRIBUTE */
|
#ifdef HANDLE_EXCEPTIONS_ATTRIBUTE
|
#ifdef HANDLE_EXCEPTIONS_ATTRIBUTE
|
if (MATCH_ATTRIBUTE ("Exceptions"))
|
if (MATCH_ATTRIBUTE ("Exceptions"))
|
{
|
{
|
uint16 count = JCF_readu2 (jcf);
|
uint16 count = JCF_readu2 (jcf);
|
HANDLE_EXCEPTIONS_ATTRIBUTE (count);
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HANDLE_EXCEPTIONS_ATTRIBUTE (count);
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}
|
}
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else
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else
|
#endif
|
#endif
|
#ifdef HANDLE_LINENUMBERTABLE_ATTRIBUTE
|
#ifdef HANDLE_LINENUMBERTABLE_ATTRIBUTE
|
if (MATCH_ATTRIBUTE ("LineNumberTable"))
|
if (MATCH_ATTRIBUTE ("LineNumberTable"))
|
{
|
{
|
uint16 count = JCF_readu2 (jcf);
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uint16 count = JCF_readu2 (jcf);
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HANDLE_LINENUMBERTABLE_ATTRIBUTE (count);
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HANDLE_LINENUMBERTABLE_ATTRIBUTE (count);
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}
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}
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else
|
else
|
#endif
|
#endif
|
#ifdef HANDLE_LOCALVARIABLETABLE_ATTRIBUTE
|
#ifdef HANDLE_LOCALVARIABLETABLE_ATTRIBUTE
|
if (MATCH_ATTRIBUTE ("LocalVariableTable"))
|
if (MATCH_ATTRIBUTE ("LocalVariableTable"))
|
{
|
{
|
uint16 count = JCF_readu2 (jcf);
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uint16 count = JCF_readu2 (jcf);
|
HANDLE_LOCALVARIABLETABLE_ATTRIBUTE (count);
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HANDLE_LOCALVARIABLETABLE_ATTRIBUTE (count);
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}
|
}
|
else
|
else
|
#endif
|
#endif
|
#ifdef HANDLE_LOCALVARIABLETYPETABLE_ATTRIBUTE
|
#ifdef HANDLE_LOCALVARIABLETYPETABLE_ATTRIBUTE
|
if (MATCH_ATTRIBUTE ("LocalVariableTypeTable"))
|
if (MATCH_ATTRIBUTE ("LocalVariableTypeTable"))
|
{
|
{
|
uint16 count = JCF_readu2 (jcf);
|
uint16 count = JCF_readu2 (jcf);
|
HANDLE_LOCALVARIABLETYPETABLE_ATTRIBUTE (count);
|
HANDLE_LOCALVARIABLETYPETABLE_ATTRIBUTE (count);
|
}
|
}
|
else
|
else
|
#endif
|
#endif
|
#ifdef HANDLE_INNERCLASSES_ATTRIBUTE
|
#ifdef HANDLE_INNERCLASSES_ATTRIBUTE
|
if (MATCH_ATTRIBUTE ("InnerClasses"))
|
if (MATCH_ATTRIBUTE ("InnerClasses"))
|
{
|
{
|
uint16 count = JCF_readu2 (jcf);
|
uint16 count = JCF_readu2 (jcf);
|
HANDLE_INNERCLASSES_ATTRIBUTE (count);
|
HANDLE_INNERCLASSES_ATTRIBUTE (count);
|
}
|
}
|
else
|
else
|
#endif
|
#endif
|
#ifdef HANDLE_SYNTHETIC_ATTRIBUTE
|
#ifdef HANDLE_SYNTHETIC_ATTRIBUTE
|
if (MATCH_ATTRIBUTE ("Synthetic"))
|
if (MATCH_ATTRIBUTE ("Synthetic"))
|
{
|
{
|
HANDLE_SYNTHETIC_ATTRIBUTE ();
|
HANDLE_SYNTHETIC_ATTRIBUTE ();
|
}
|
}
|
else
|
else
|
#endif
|
#endif
|
#ifdef HANDLE_GCJCOMPILED_ATTRIBUTE
|
#ifdef HANDLE_GCJCOMPILED_ATTRIBUTE
|
if (MATCH_ATTRIBUTE ("gnu.gcj.gcj-compiled"))
|
if (MATCH_ATTRIBUTE ("gnu.gcj.gcj-compiled"))
|
{
|
{
|
HANDLE_GCJCOMPILED_ATTRIBUTE ();
|
HANDLE_GCJCOMPILED_ATTRIBUTE ();
|
}
|
}
|
else
|
else
|
#endif
|
#endif
|
#ifdef HANDLE_DEPRECATED_ATTRIBUTE
|
#ifdef HANDLE_DEPRECATED_ATTRIBUTE
|
if (MATCH_ATTRIBUTE ("Deprecated"))
|
if (MATCH_ATTRIBUTE ("Deprecated"))
|
{
|
{
|
HANDLE_DEPRECATED_ATTRIBUTE ();
|
HANDLE_DEPRECATED_ATTRIBUTE ();
|
}
|
}
|
else
|
else
|
#endif
|
#endif
|
#ifdef HANDLE_SOURCEDEBUGEXTENSION_ATTRIBUTE
|
#ifdef HANDLE_SOURCEDEBUGEXTENSION_ATTRIBUTE
|
if (MATCH_ATTRIBUTE ("SourceDebugExtension")) /* JSR 45 */
|
if (MATCH_ATTRIBUTE ("SourceDebugExtension")) /* JSR 45 */
|
{
|
{
|
HANDLE_SOURCEDEBUGEXTENSION_ATTRIBUTE (attribute_length);
|
HANDLE_SOURCEDEBUGEXTENSION_ATTRIBUTE (attribute_length);
|
}
|
}
|
else
|
else
|
#endif
|
#endif
|
#ifdef HANDLE_ENCLOSINGMETHOD_ATTRIBUTE
|
#ifdef HANDLE_ENCLOSINGMETHOD_ATTRIBUTE
|
if (MATCH_ATTRIBUTE ("EnclosingMethod"))
|
if (MATCH_ATTRIBUTE ("EnclosingMethod"))
|
{
|
{
|
HANDLE_ENCLOSINGMETHOD_ATTRIBUTE ();
|
HANDLE_ENCLOSINGMETHOD_ATTRIBUTE ();
|
}
|
}
|
else
|
else
|
#endif
|
#endif
|
#ifdef HANDLE_SIGNATURE_ATTRIBUTE
|
#ifdef HANDLE_SIGNATURE_ATTRIBUTE
|
if (MATCH_ATTRIBUTE ("Signature"))
|
if (MATCH_ATTRIBUTE ("Signature"))
|
{
|
{
|
HANDLE_SIGNATURE_ATTRIBUTE ();
|
HANDLE_SIGNATURE_ATTRIBUTE ();
|
}
|
}
|
else
|
else
|
#endif
|
#endif
|
#ifdef HANDLE_RUNTIMEVISIBLEANNOTATIONS_ATTRIBUTE
|
#ifdef HANDLE_RUNTIMEVISIBLEANNOTATIONS_ATTRIBUTE
|
if (MATCH_ATTRIBUTE ("RuntimeVisibleAnnotations"))
|
if (MATCH_ATTRIBUTE ("RuntimeVisibleAnnotations"))
|
{
|
{
|
HANDLE_RUNTIMEVISIBLEANNOTATIONS_ATTRIBUTE ();
|
HANDLE_RUNTIMEVISIBLEANNOTATIONS_ATTRIBUTE ();
|
}
|
}
|
else
|
else
|
#endif
|
#endif
|
#ifdef HANDLE_RUNTIMEINVISIBLEANNOTATIONS_ATTRIBUTE
|
#ifdef HANDLE_RUNTIMEINVISIBLEANNOTATIONS_ATTRIBUTE
|
if (MATCH_ATTRIBUTE ("RuntimeInvisibleAnnotations"))
|
if (MATCH_ATTRIBUTE ("RuntimeInvisibleAnnotations"))
|
{
|
{
|
HANDLE_RUNTIMEINVISIBLEANNOTATIONS_ATTRIBUTE ();
|
HANDLE_RUNTIMEINVISIBLEANNOTATIONS_ATTRIBUTE ();
|
}
|
}
|
else
|
else
|
#endif
|
#endif
|
#ifdef HANDLE_RUNTIMEVISIBLEPARAMETERANNOTATIONS_ATTRIBUTE
|
#ifdef HANDLE_RUNTIMEVISIBLEPARAMETERANNOTATIONS_ATTRIBUTE
|
if (MATCH_ATTRIBUTE ("RuntimeVisibleParameterAnnotations"))
|
if (MATCH_ATTRIBUTE ("RuntimeVisibleParameterAnnotations"))
|
{
|
{
|
HANDLE_RUNTIMEVISIBLEPARAMETERANNOTATIONS_ATTRIBUTE ();
|
HANDLE_RUNTIMEVISIBLEPARAMETERANNOTATIONS_ATTRIBUTE ();
|
}
|
}
|
else
|
else
|
#endif
|
#endif
|
#ifdef HANDLE_RUNTIMEINVISIBLEPARAMETERANNOTATIONS_ATTRIBUTE
|
#ifdef HANDLE_RUNTIMEINVISIBLEPARAMETERANNOTATIONS_ATTRIBUTE
|
if (MATCH_ATTRIBUTE ("RuntimeInvisibleParameterAnnotations"))
|
if (MATCH_ATTRIBUTE ("RuntimeInvisibleParameterAnnotations"))
|
{
|
{
|
HANDLE_RUNTIMEINVISIBLEPARAMETERANNOTATIONS_ATTRIBUTE ();
|
HANDLE_RUNTIMEINVISIBLEPARAMETERANNOTATIONS_ATTRIBUTE ();
|
}
|
}
|
else
|
else
|
#endif
|
#endif
|
#ifdef HANDLE_ANNOTATIONDEFAULT_ATTRIBUTE
|
#ifdef HANDLE_ANNOTATIONDEFAULT_ATTRIBUTE
|
if (MATCH_ATTRIBUTE ("AnnotationDefault"))
|
if (MATCH_ATTRIBUTE ("AnnotationDefault"))
|
{
|
{
|
HANDLE_ANNOTATIONDEFAULT_ATTRIBUTE ();
|
HANDLE_ANNOTATIONDEFAULT_ATTRIBUTE ();
|
}
|
}
|
else
|
else
|
#endif
|
#endif
|
{
|
{
|
#ifdef PROCESS_OTHER_ATTRIBUTE
|
#ifdef PROCESS_OTHER_ATTRIBUTE
|
PROCESS_OTHER_ATTRIBUTE(jcf, attribute_name, attribute_length);
|
PROCESS_OTHER_ATTRIBUTE(jcf, attribute_name, attribute_length);
|
#else
|
#else
|
JCF_SKIP (jcf, attribute_length);
|
JCF_SKIP (jcf, attribute_length);
|
#endif
|
#endif
|
}
|
}
|
if ((long) (start_pos + attribute_length) != JCF_TELL(jcf))
|
if ((long) (start_pos + attribute_length) != JCF_TELL(jcf))
|
return -1;
|
return -1;
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Read and handle the pre-amble. */
|
/* Read and handle the pre-amble. */
|
static int
|
static int
|
jcf_parse_preamble (JCF* jcf)
|
jcf_parse_preamble (JCF* jcf)
|
{
|
{
|
uint32 magic = (JCF_FILL (jcf, 8), JCF_readu4 (jcf));
|
uint32 magic = (JCF_FILL (jcf, 8), JCF_readu4 (jcf));
|
uint16 minor_version ATTRIBUTE_UNUSED = JCF_readu2 (jcf);
|
uint16 minor_version ATTRIBUTE_UNUSED = JCF_readu2 (jcf);
|
uint16 major_version ATTRIBUTE_UNUSED = JCF_readu2 (jcf);
|
uint16 major_version ATTRIBUTE_UNUSED = JCF_readu2 (jcf);
|
#ifdef HANDLE_MAGIC
|
#ifdef HANDLE_MAGIC
|
HANDLE_MAGIC (magic, minor_version, major_version);
|
HANDLE_MAGIC (magic, minor_version, major_version);
|
#endif
|
#endif
|
if (magic != 0xcafebabe)
|
if (magic != 0xcafebabe)
|
return -1;
|
return -1;
|
else
|
else
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Read and handle the constant pool.
|
/* Read and handle the constant pool.
|
|
|
Return 0 if OK.
|
Return 0 if OK.
|
Return -2 if a bad cross-reference (index of other constant) was seen.
|
Return -2 if a bad cross-reference (index of other constant) was seen.
|
*/
|
*/
|
static int
|
static int
|
jcf_parse_constant_pool (JCF* jcf)
|
jcf_parse_constant_pool (JCF* jcf)
|
{
|
{
|
int i, n;
|
int i, n;
|
JPOOL_SIZE (jcf) = (JCF_FILL (jcf, 2), JCF_readu2 (jcf));
|
JPOOL_SIZE (jcf) = (JCF_FILL (jcf, 2), JCF_readu2 (jcf));
|
jcf->cpool.tags = GGC_NEWVAR (uint8, JPOOL_SIZE (jcf));
|
jcf->cpool.tags = GGC_NEWVAR (uint8, JPOOL_SIZE (jcf));
|
jcf->cpool.data = GGC_NEWVAR (union cpool_entry, sizeof (jword) * JPOOL_SIZE (jcf));
|
jcf->cpool.data = GGC_NEWVAR (union cpool_entry, sizeof (jword) * JPOOL_SIZE (jcf));
|
jcf->cpool.tags[0] = 0;
|
jcf->cpool.tags[0] = 0;
|
#ifdef HANDLE_START_CONSTANT_POOL
|
#ifdef HANDLE_START_CONSTANT_POOL
|
HANDLE_START_CONSTANT_POOL (JPOOL_SIZE (jcf));
|
HANDLE_START_CONSTANT_POOL (JPOOL_SIZE (jcf));
|
#endif
|
#endif
|
for (i = 1; i < (int) JPOOL_SIZE (jcf); i++)
|
for (i = 1; i < (int) JPOOL_SIZE (jcf); i++)
|
{
|
{
|
int constant_kind;
|
int constant_kind;
|
|
|
/* Make sure at least 9 bytes are available. This is enough
|
/* Make sure at least 9 bytes are available. This is enough
|
for all fixed-sized constant pool entries (so we don't need many
|
for all fixed-sized constant pool entries (so we don't need many
|
more JCF_FILL calls below), but is is small enough that
|
more JCF_FILL calls below), but is is small enough that
|
we are guaranteed to not hit EOF (in a valid .class file). */
|
we are guaranteed to not hit EOF (in a valid .class file). */
|
JCF_FILL (jcf, 9);
|
JCF_FILL (jcf, 9);
|
constant_kind = JCF_readu (jcf);
|
constant_kind = JCF_readu (jcf);
|
jcf->cpool.tags[i] = constant_kind;
|
jcf->cpool.tags[i] = constant_kind;
|
switch (constant_kind)
|
switch (constant_kind)
|
{
|
{
|
case CONSTANT_String:
|
case CONSTANT_String:
|
case CONSTANT_Class:
|
case CONSTANT_Class:
|
jcf->cpool.data[i].w = JCF_readu2 (jcf);
|
jcf->cpool.data[i].w = JCF_readu2 (jcf);
|
break;
|
break;
|
case CONSTANT_Fieldref:
|
case CONSTANT_Fieldref:
|
case CONSTANT_Methodref:
|
case CONSTANT_Methodref:
|
case CONSTANT_InterfaceMethodref:
|
case CONSTANT_InterfaceMethodref:
|
case CONSTANT_NameAndType:
|
case CONSTANT_NameAndType:
|
jcf->cpool.data[i].w = JCF_readu2 (jcf);
|
jcf->cpool.data[i].w = JCF_readu2 (jcf);
|
jcf->cpool.data[i].w |= JCF_readu2 (jcf) << 16;
|
jcf->cpool.data[i].w |= JCF_readu2 (jcf) << 16;
|
break;
|
break;
|
case CONSTANT_Integer:
|
case CONSTANT_Integer:
|
case CONSTANT_Float:
|
case CONSTANT_Float:
|
jcf->cpool.data[i].w = JCF_readu4 (jcf);
|
jcf->cpool.data[i].w = JCF_readu4 (jcf);
|
break;
|
break;
|
case CONSTANT_Long:
|
case CONSTANT_Long:
|
case CONSTANT_Double:
|
case CONSTANT_Double:
|
jcf->cpool.data[i].w = JCF_readu4 (jcf);
|
jcf->cpool.data[i].w = JCF_readu4 (jcf);
|
i++; /* These take up two spots in the constant pool */
|
i++; /* These take up two spots in the constant pool */
|
jcf->cpool.tags[i] = 0;
|
jcf->cpool.tags[i] = 0;
|
jcf->cpool.data[i].w = JCF_readu4 (jcf);
|
jcf->cpool.data[i].w = JCF_readu4 (jcf);
|
break;
|
break;
|
case CONSTANT_Utf8:
|
case CONSTANT_Utf8:
|
n = JCF_readu2 (jcf);
|
n = JCF_readu2 (jcf);
|
JCF_FILL (jcf, n);
|
JCF_FILL (jcf, n);
|
#ifdef HANDLE_CONSTANT_Utf8
|
#ifdef HANDLE_CONSTANT_Utf8
|
HANDLE_CONSTANT_Utf8(jcf, i, n);
|
HANDLE_CONSTANT_Utf8(jcf, i, n);
|
#else
|
#else
|
jcf->cpool.data[i].w = JCF_TELL(jcf) - 2;
|
jcf->cpool.data[i].w = JCF_TELL(jcf) - 2;
|
JCF_SKIP (jcf, n);
|
JCF_SKIP (jcf, n);
|
#endif
|
#endif
|
break;
|
break;
|
default:
|
default:
|
return i;
|
return i;
|
}
|
}
|
}
|
}
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Read various class flags and numbers. */
|
/* Read various class flags and numbers. */
|
|
|
static void
|
static void
|
jcf_parse_class (JCF* jcf)
|
jcf_parse_class (JCF* jcf)
|
{
|
{
|
int i;
|
int i;
|
uint16 interfaces_count;
|
uint16 interfaces_count;
|
JCF_FILL (jcf, 8);
|
JCF_FILL (jcf, 8);
|
jcf->access_flags = JCF_readu2 (jcf);
|
jcf->access_flags = JCF_readu2 (jcf);
|
jcf->this_class = JCF_readu2 (jcf);
|
jcf->this_class = JCF_readu2 (jcf);
|
jcf->super_class = JCF_readu2 (jcf);
|
jcf->super_class = JCF_readu2 (jcf);
|
interfaces_count = JCF_readu2 (jcf);
|
interfaces_count = JCF_readu2 (jcf);
|
|
|
#ifdef HANDLE_CLASS_INFO
|
#ifdef HANDLE_CLASS_INFO
|
HANDLE_CLASS_INFO(jcf->access_flags, jcf->this_class, jcf->super_class, interfaces_count);
|
HANDLE_CLASS_INFO(jcf->access_flags, jcf->this_class, jcf->super_class, interfaces_count);
|
#endif
|
#endif
|
|
|
JCF_FILL (jcf, 2 * interfaces_count);
|
JCF_FILL (jcf, 2 * interfaces_count);
|
|
|
/* Read interfaces. */
|
/* Read interfaces. */
|
for (i = 0; i < interfaces_count; i++)
|
for (i = 0; i < interfaces_count; i++)
|
{
|
{
|
uint16 index ATTRIBUTE_UNUSED = JCF_readu2 (jcf);
|
uint16 index ATTRIBUTE_UNUSED = JCF_readu2 (jcf);
|
#ifdef HANDLE_CLASS_INTERFACE
|
#ifdef HANDLE_CLASS_INTERFACE
|
HANDLE_CLASS_INTERFACE (index);
|
HANDLE_CLASS_INTERFACE (index);
|
#endif
|
#endif
|
}
|
}
|
}
|
}
|
|
|
/* Read fields. */
|
/* Read fields. */
|
static int
|
static int
|
jcf_parse_fields (JCF* jcf)
|
jcf_parse_fields (JCF* jcf)
|
{
|
{
|
int i, j;
|
int i, j;
|
uint16 fields_count;
|
uint16 fields_count;
|
JCF_FILL (jcf, 2);
|
JCF_FILL (jcf, 2);
|
fields_count = JCF_readu2 (jcf);
|
fields_count = JCF_readu2 (jcf);
|
|
|
#ifdef HANDLE_START_FIELDS
|
#ifdef HANDLE_START_FIELDS
|
HANDLE_START_FIELDS (fields_count);
|
HANDLE_START_FIELDS (fields_count);
|
#endif
|
#endif
|
for (i = 0; i < fields_count; i++)
|
for (i = 0; i < fields_count; i++)
|
{
|
{
|
uint16 access_flags = (JCF_FILL (jcf, 8), JCF_readu2 (jcf));
|
uint16 access_flags = (JCF_FILL (jcf, 8), JCF_readu2 (jcf));
|
uint16 name_index = JCF_readu2 (jcf);
|
uint16 name_index = JCF_readu2 (jcf);
|
uint16 signature_index = JCF_readu2 (jcf);
|
uint16 signature_index = JCF_readu2 (jcf);
|
uint16 attribute_count = JCF_readu2 (jcf);
|
uint16 attribute_count = JCF_readu2 (jcf);
|
#ifdef HANDLE_START_FIELD
|
#ifdef HANDLE_START_FIELD
|
HANDLE_START_FIELD (access_flags, name_index, signature_index,
|
HANDLE_START_FIELD (access_flags, name_index, signature_index,
|
attribute_count);
|
attribute_count);
|
#endif
|
#endif
|
for (j = 0; j < attribute_count; j++)
|
for (j = 0; j < attribute_count; j++)
|
{
|
{
|
int code = get_attribute (jcf, i, JV_FIELD_ATTR);
|
int code = get_attribute (jcf, i, JV_FIELD_ATTR);
|
if (code != 0)
|
if (code != 0)
|
return code;
|
return code;
|
}
|
}
|
#ifdef HANDLE_END_FIELD
|
#ifdef HANDLE_END_FIELD
|
HANDLE_END_FIELD ();
|
HANDLE_END_FIELD ();
|
#endif
|
#endif
|
}
|
}
|
#ifdef HANDLE_END_FIELDS
|
#ifdef HANDLE_END_FIELDS
|
HANDLE_END_FIELDS ();
|
HANDLE_END_FIELDS ();
|
#endif
|
#endif
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Read methods. */
|
/* Read methods. */
|
|
|
static int
|
static int
|
jcf_parse_one_method (JCF* jcf, int index)
|
jcf_parse_one_method (JCF* jcf, int index)
|
{
|
{
|
int i;
|
int i;
|
uint16 access_flags = (JCF_FILL (jcf, 8), JCF_readu2 (jcf));
|
uint16 access_flags = (JCF_FILL (jcf, 8), JCF_readu2 (jcf));
|
uint16 name_index = JCF_readu2 (jcf);
|
uint16 name_index = JCF_readu2 (jcf);
|
uint16 signature_index = JCF_readu2 (jcf);
|
uint16 signature_index = JCF_readu2 (jcf);
|
uint16 attribute_count = JCF_readu2 (jcf);
|
uint16 attribute_count = JCF_readu2 (jcf);
|
#ifdef HANDLE_METHOD
|
#ifdef HANDLE_METHOD
|
HANDLE_METHOD(access_flags, name_index, signature_index, attribute_count);
|
HANDLE_METHOD(access_flags, name_index, signature_index, attribute_count);
|
#endif
|
#endif
|
for (i = 0; i < attribute_count; i++)
|
for (i = 0; i < attribute_count; i++)
|
{
|
{
|
int code = get_attribute (jcf, index, JV_METHOD_ATTR);
|
int code = get_attribute (jcf, index, JV_METHOD_ATTR);
|
if (code != 0)
|
if (code != 0)
|
return code;
|
return code;
|
}
|
}
|
#ifdef HANDLE_END_METHOD
|
#ifdef HANDLE_END_METHOD
|
HANDLE_END_METHOD ();
|
HANDLE_END_METHOD ();
|
#endif
|
#endif
|
return 0;
|
return 0;
|
}
|
}
|
|
|
static int
|
static int
|
jcf_parse_methods (JCF* jcf)
|
jcf_parse_methods (JCF* jcf)
|
{
|
{
|
int i;
|
int i;
|
uint16 methods_count;
|
uint16 methods_count;
|
JCF_FILL (jcf, 2);
|
JCF_FILL (jcf, 2);
|
methods_count = JCF_readu2 (jcf);
|
methods_count = JCF_readu2 (jcf);
|
#ifdef HANDLE_START_METHODS
|
#ifdef HANDLE_START_METHODS
|
HANDLE_START_METHODS (methods_count);
|
HANDLE_START_METHODS (methods_count);
|
#endif
|
#endif
|
for (i = 0; i < methods_count; i++)
|
for (i = 0; i < methods_count; i++)
|
{
|
{
|
int code = jcf_parse_one_method (jcf, i);
|
int code = jcf_parse_one_method (jcf, i);
|
if (code != 0)
|
if (code != 0)
|
return code;
|
return code;
|
}
|
}
|
#ifdef HANDLE_END_METHODS
|
#ifdef HANDLE_END_METHODS
|
HANDLE_END_METHODS ();
|
HANDLE_END_METHODS ();
|
#endif
|
#endif
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Read attributes. */
|
/* Read attributes. */
|
static int
|
static int
|
jcf_parse_final_attributes (JCF *jcf)
|
jcf_parse_final_attributes (JCF *jcf)
|
{
|
{
|
int i;
|
int i;
|
uint16 attributes_count = (JCF_FILL (jcf, 2), JCF_readu2 (jcf));
|
uint16 attributes_count = (JCF_FILL (jcf, 2), JCF_readu2 (jcf));
|
#ifdef START_FINAL_ATTRIBUTES
|
#ifdef START_FINAL_ATTRIBUTES
|
START_FINAL_ATTRIBUTES (attributes_count)
|
START_FINAL_ATTRIBUTES (attributes_count)
|
#endif
|
#endif
|
for (i = 0; i < attributes_count; i++)
|
for (i = 0; i < attributes_count; i++)
|
{
|
{
|
int code = get_attribute (jcf, i, JV_CLASS_ATTR);
|
int code = get_attribute (jcf, i, JV_CLASS_ATTR);
|
if (code != 0)
|
if (code != 0)
|
return code;
|
return code;
|
}
|
}
|
return 0;
|
return 0;
|
}
|
}
|
|
|
|
|
