/* This file read a Java(TM) .class file.
It is not stand-alone: It depends on tons of macros, and the
intent is you #include this file after you've defined the macros.
+ Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2005, 2006
+ Free Software Foundation, Inc.
- Copyright (C) 1996 Free Software Foundation, Inc.
+This file is part of GCC.
-This program is free software; you can redistribute it and/or modify
+GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
-This program is distributed in the hope that it will be useful,
+GCC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.
+along with GCC; see the file COPYING. If not, write to
+the Free Software Foundation, 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA.
Java and all Java-based marks are trademarks or registered trademarks
of Sun Microsystems, Inc. in the United States and other countries.
#include "jcf.h"
#include "zipfile.h"
-static int get_attribute PROTO((JCF *));
-static int jcf_parse_preamble PROTO((JCF *));
-static int jcf_parse_constant_pool PROTO((JCF *));
-static void jcf_parse_class PROTO((JCF *));
-static int jcf_parse_fields PROTO((JCF *));
-static int jcf_parse_one_method PROTO((JCF *));
-static int jcf_parse_methods PROTO((JCF *));
-static int jcf_parse_final_attributes PROTO((JCF *));
+static int get_attribute (JCF *, int, jv_attr_type);
+static int jcf_parse_preamble (JCF *);
+static int jcf_parse_constant_pool (JCF *);
+static void jcf_parse_class (JCF *);
+static int jcf_parse_fields (JCF *);
+static int jcf_parse_one_method (JCF *, int);
+static int jcf_parse_methods (JCF *);
+static int jcf_parse_final_attributes (JCF *);
+#ifdef NEED_PEEK_ATTRIBUTE
+static int peek_attribute (JCF *, int, const char *, int);
+#endif
+#ifdef NEED_SKIP_ATTRIBUTE
+static void skip_attribute (JCF *, int);
+#endif
+
+/* Go through all available attribute (ATTRIBUTE_NUMER) and try to
+ identify PEEKED_NAME. Return 1 if PEEKED_NAME was found, 0
+ otherwise. JCF is restored to its initial position before
+ returning. */
+#ifdef NEED_PEEK_ATTRIBUTE /* Not everyone uses this function */
static int
-DEFUN(get_attribute, (jcf),
- JCF *jcf)
+peek_attribute (JCF *jcf, int attribute_number, const char *peeked_name,
+ int peeked_name_length)
+{
+ int to_return = 0;
+ long absolute_offset = (long)JCF_TELL (jcf);
+ int i;
+
+ for (i = 0; !to_return && i < attribute_number; i++)
+ {
+ uint16 attribute_name = (JCF_FILL (jcf, 6), JCF_readu2 (jcf));
+ uint32 attribute_length = JCF_readu4 (jcf);
+ int name_length;
+ const unsigned char *name_data;
+
+ JCF_FILL (jcf, (long) attribute_length);
+ if (attribute_name <= 0 || attribute_name >= JPOOL_SIZE(jcf)
+ || JPOOL_TAG (jcf, attribute_name) != CONSTANT_Utf8)
+ continue;
+
+ name_length = JPOOL_UTF_LENGTH (jcf, attribute_name);
+ name_data = JPOOL_UTF_DATA (jcf, attribute_name);
+
+ if (name_length == peeked_name_length
+ && ! memcmp (name_data, peeked_name, peeked_name_length))
+ {
+ to_return = 1;
+ break;
+ }
+
+ JCF_SKIP (jcf, attribute_length);
+ }
+
+ JCF_SEEK (jcf, absolute_offset);
+ return to_return;
+}
+#endif
+
+#ifdef NEED_SKIP_ATTRIBUTE /* Not everyone uses this function */
+static void
+skip_attribute (JCF *jcf, int number_of_attribute)
+{
+ while (number_of_attribute--)
+ {
+ JCF_u4 N;
+ JCF_FILL (jcf, 6);
+ (void) JCF_readu2 (jcf);
+ N = JCF_readu4 (jcf);
+ JCF_SKIP (jcf, N);
+ }
+}
+#endif
+
+static int
+get_attribute (JCF *jcf, int index,
+ jv_attr_type attr_type ATTRIBUTE_UNUSED)
{
uint16 attribute_name = (JCF_FILL (jcf, 6), JCF_readu2 (jcf));
uint32 attribute_length = JCF_readu4 (jcf);
name_length = JPOOL_UTF_LENGTH (jcf, attribute_name);
name_data = JPOOL_UTF_DATA (jcf, attribute_name);
+#define MATCH_ATTRIBUTE(S) \
+ (name_length == sizeof (S)-1 && memcmp (name_data, S, sizeof (S)-1) == 0)
+
#ifdef IGNORE_ATTRIBUTE
if (IGNORE_ATTRIBUTE (jcf, attribute_name, attribute_length))
{
else
#endif
#ifdef HANDLE_SOURCEFILE
- if (name_length == 10 && memcmp (name_data, "SourceFile", 10) == 0)
+ if (MATCH_ATTRIBUTE ("SourceFile"))
{
uint16 sourcefile_index = JCF_readu2 (jcf);
HANDLE_SOURCEFILE(sourcefile_index);
else
#endif
#ifdef HANDLE_CONSTANTVALUE
- if (name_length == 13 && memcmp (name_data, "ConstantValue", 13) == 0)
+ if (MATCH_ATTRIBUTE ("ConstantValue"))
{
uint16 constantvalue_index = JCF_readu2 (jcf);
if (constantvalue_index <= 0 || constantvalue_index >= JPOOL_SIZE(jcf))
else
#endif
#ifdef HANDLE_CODE_ATTRIBUTE
- if (name_length == 4 && memcmp (name_data, "Code", 4) == 0)
+ if (MATCH_ATTRIBUTE ("Code"))
{
uint16 j;
uint16 max_stack ATTRIBUTE_UNUSED = JCF_readu2 (jcf);
attributes_count = JCF_readu2 (jcf);
for (j = 0; j < attributes_count; j++)
{
- int code = get_attribute (jcf);
+ int code = get_attribute (jcf, index, JV_METHOD_ATTR);
if (code != 0)
return code;
}
else
#endif /* HANDLE_CODE_ATTRIBUTE */
#ifdef HANDLE_EXCEPTIONS_ATTRIBUTE
- if (name_length == 10 && memcmp (name_data, "Exceptions", 10) == 0)
+ if (MATCH_ATTRIBUTE ("Exceptions"))
{
uint16 count = JCF_readu2 (jcf);
HANDLE_EXCEPTIONS_ATTRIBUTE (count);
else
#endif
#ifdef HANDLE_LINENUMBERTABLE_ATTRIBUTE
- if (name_length == 15 && memcmp (name_data, "LineNumberTable", 15) == 0)
+ if (MATCH_ATTRIBUTE ("LineNumberTable"))
{
uint16 count = JCF_readu2 (jcf);
HANDLE_LINENUMBERTABLE_ATTRIBUTE (count);
else
#endif
#ifdef HANDLE_LOCALVARIABLETABLE_ATTRIBUTE
- if (name_length == 18 && memcmp (name_data, "LocalVariableTable", 18) == 0)
+ if (MATCH_ATTRIBUTE ("LocalVariableTable"))
{
uint16 count = JCF_readu2 (jcf);
HANDLE_LOCALVARIABLETABLE_ATTRIBUTE (count);
}
else
#endif
+#ifdef HANDLE_LOCALVARIABLETYPETABLE_ATTRIBUTE
+ if (MATCH_ATTRIBUTE ("LocalVariableTypeTable"))
+ {
+ uint16 count = JCF_readu2 (jcf);
+ HANDLE_LOCALVARIABLETYPETABLE_ATTRIBUTE (count);
+ }
+ else
+#endif
+#ifdef HANDLE_INNERCLASSES_ATTRIBUTE
+ if (MATCH_ATTRIBUTE ("InnerClasses"))
+ {
+ uint16 count = JCF_readu2 (jcf);
+ HANDLE_INNERCLASSES_ATTRIBUTE (count);
+ }
+ else
+#endif
+#ifdef HANDLE_SYNTHETIC_ATTRIBUTE
+ if (MATCH_ATTRIBUTE ("Synthetic"))
+ {
+ HANDLE_SYNTHETIC_ATTRIBUTE ();
+ }
+ else
+#endif
+#ifdef HANDLE_GCJCOMPILED_ATTRIBUTE
+ if (MATCH_ATTRIBUTE ("gnu.gcj.gcj-compiled"))
+ {
+ HANDLE_GCJCOMPILED_ATTRIBUTE ();
+ }
+ else
+#endif
+#ifdef HANDLE_DEPRECATED_ATTRIBUTE
+ if (MATCH_ATTRIBUTE ("Deprecated"))
+ {
+ HANDLE_DEPRECATED_ATTRIBUTE ();
+ }
+ else
+#endif
+#ifdef HANDLE_SOURCEDEBUGEXTENSION_ATTRIBUTE
+ if (MATCH_ATTRIBUTE ("SourceDebugExtension")) /* JSR 45 */
+ {
+ HANDLE_SOURCEDEBUGEXTENSION_ATTRIBUTE (attribute_length);
+ }
+ else
+#endif
+#ifdef HANDLE_ENCLOSINGMETHOD_ATTRIBUTE
+ if (MATCH_ATTRIBUTE ("EnclosingMethod"))
+ {
+ HANDLE_ENCLOSINGMETHOD_ATTRIBUTE ();
+ }
+ else
+#endif
+#ifdef HANDLE_SIGNATURE_ATTRIBUTE
+ if (MATCH_ATTRIBUTE ("Signature"))
+ {
+ HANDLE_SIGNATURE_ATTRIBUTE ();
+ }
+ else
+#endif
+#ifdef HANDLE_RUNTIMEVISIBLEANNOTATIONS_ATTRIBUTE
+ if (MATCH_ATTRIBUTE ("RuntimeVisibleAnnotations"))
+ {
+ HANDLE_RUNTIMEVISIBLEANNOTATIONS_ATTRIBUTE ();
+ }
+ else
+#endif
+#ifdef HANDLE_RUNTIMEINVISIBLEANNOTATIONS_ATTRIBUTE
+ if (MATCH_ATTRIBUTE ("RuntimeInvisibleAnnotations"))
+ {
+ HANDLE_RUNTIMEINVISIBLEANNOTATIONS_ATTRIBUTE ();
+ }
+ else
+#endif
+#ifdef HANDLE_RUNTIMEVISIBLEPARAMETERANNOTATIONS_ATTRIBUTE
+ if (MATCH_ATTRIBUTE ("RuntimeVisibleParameterAnnotations"))
+ {
+ HANDLE_RUNTIMEVISIBLEPARAMETERANNOTATIONS_ATTRIBUTE ();
+ }
+ else
+#endif
+#ifdef HANDLE_RUNTIMEINVISIBLEPARAMETERANNOTATIONS_ATTRIBUTE
+ if (MATCH_ATTRIBUTE ("RuntimeInvisibleParameterAnnotations"))
+ {
+ HANDLE_RUNTIMEINVISIBLEPARAMETERANNOTATIONS_ATTRIBUTE ();
+ }
+ else
+#endif
+#ifdef HANDLE_ANNOTATIONDEFAULT_ATTRIBUTE
+ if (MATCH_ATTRIBUTE ("AnnotationDefault"))
+ {
+ HANDLE_ANNOTATIONDEFAULT_ATTRIBUTE ();
+ }
+ else
+#endif
{
#ifdef PROCESS_OTHER_ATTRIBUTE
PROCESS_OTHER_ATTRIBUTE(jcf, attribute_name, attribute_length);
/* Read and handle the pre-amble. */
static int
-DEFUN(jcf_parse_preamble, (jcf),
- JCF* jcf)
+jcf_parse_preamble (JCF* jcf)
{
uint32 magic = (JCF_FILL (jcf, 8), JCF_readu4 (jcf));
uint16 minor_version ATTRIBUTE_UNUSED = JCF_readu2 (jcf);
Return -2 if a bad cross-reference (index of other constant) was seen.
*/
static int
-DEFUN(jcf_parse_constant_pool, (jcf),
- JCF* jcf)
+jcf_parse_constant_pool (JCF* jcf)
{
int i, n;
JPOOL_SIZE (jcf) = (JCF_FILL (jcf, 2), JCF_readu2 (jcf));
- jcf->cpool.tags = ALLOC (JPOOL_SIZE (jcf));
- jcf->cpool.data = ALLOC (sizeof (jword) * JPOOL_SIZE (jcf));
+ jcf->cpool.tags = ggc_alloc (JPOOL_SIZE (jcf));
+ jcf->cpool.data = ggc_alloc (sizeof (jword) * JPOOL_SIZE (jcf));
jcf->cpool.tags[0] = 0;
#ifdef HANDLE_START_CONSTANT_POOL
HANDLE_START_CONSTANT_POOL (JPOOL_SIZE (jcf));
{
case CONSTANT_String:
case CONSTANT_Class:
- jcf->cpool.data[i] = JCF_readu2 (jcf);
+ jcf->cpool.data[i].w = JCF_readu2 (jcf);
break;
case CONSTANT_Fieldref:
case CONSTANT_Methodref:
case CONSTANT_InterfaceMethodref:
case CONSTANT_NameAndType:
- jcf->cpool.data[i] = JCF_readu2 (jcf);
- jcf->cpool.data[i] |= JCF_readu2 (jcf) << 16;
+ jcf->cpool.data[i].w = JCF_readu2 (jcf);
+ jcf->cpool.data[i].w |= JCF_readu2 (jcf) << 16;
break;
case CONSTANT_Integer:
case CONSTANT_Float:
- jcf->cpool.data[i] = JCF_readu4 (jcf);
+ jcf->cpool.data[i].w = JCF_readu4 (jcf);
break;
case CONSTANT_Long:
case CONSTANT_Double:
- jcf->cpool.data[i] = JCF_readu4 (jcf);
+ jcf->cpool.data[i].w = JCF_readu4 (jcf);
i++; /* These take up two spots in the constant pool */
jcf->cpool.tags[i] = 0;
- jcf->cpool.data[i] = JCF_readu4 (jcf);
+ jcf->cpool.data[i].w = JCF_readu4 (jcf);
break;
case CONSTANT_Utf8:
n = JCF_readu2 (jcf);
#ifdef HANDLE_CONSTANT_Utf8
HANDLE_CONSTANT_Utf8(jcf, i, n);
#else
- jcf->cpool.data[i] = JCF_TELL(jcf) - 2;
+ jcf->cpool.data[i].w = JCF_TELL(jcf) - 2;
JCF_SKIP (jcf, n);
#endif
break;
/* Read various class flags and numbers. */
static void
-DEFUN(jcf_parse_class, (jcf),
- JCF* jcf)
+jcf_parse_class (JCF* jcf)
{
int i;
uint16 interfaces_count;
/* Read fields. */
static int
-DEFUN(jcf_parse_fields, (jcf),
- JCF* jcf)
+jcf_parse_fields (JCF* jcf)
{
int i, j;
uint16 fields_count;
uint16 attribute_count = JCF_readu2 (jcf);
#ifdef HANDLE_START_FIELD
HANDLE_START_FIELD (access_flags, name_index, signature_index,
- attribute_count);
+ attribute_count);
#endif
for (j = 0; j < attribute_count; j++)
{
- int code = get_attribute (jcf);
+ int code = get_attribute (jcf, i, JV_FIELD_ATTR);
if (code != 0)
return code;
}
/* Read methods. */
static int
-DEFUN(jcf_parse_one_method, (jcf),
- JCF* jcf)
+jcf_parse_one_method (JCF* jcf, int index)
{
int i;
uint16 access_flags = (JCF_FILL (jcf, 8), JCF_readu2 (jcf));
#endif
for (i = 0; i < attribute_count; i++)
{
- int code = get_attribute (jcf);
+ int code = get_attribute (jcf, index, JV_METHOD_ATTR);
if (code != 0)
return code;
}
}
static int
-DEFUN(jcf_parse_methods, (jcf),
- JCF* jcf)
+jcf_parse_methods (JCF* jcf)
{
int i;
uint16 methods_count;
#endif
for (i = 0; i < methods_count; i++)
{
- int code = jcf_parse_one_method (jcf);
+ int code = jcf_parse_one_method (jcf, i);
if (code != 0)
return code;
}
/* Read attributes. */
static int
-DEFUN(jcf_parse_final_attributes, (jcf),
- JCF *jcf)
+jcf_parse_final_attributes (JCF *jcf)
{
int i;
uint16 attributes_count = (JCF_FILL (jcf, 2), JCF_readu2 (jcf));
#endif
for (i = 0; i < attributes_count; i++)
{
- int code = get_attribute (jcf);
+ int code = get_attribute (jcf, i, JV_CLASS_ATTR);
if (code != 0)
return code;
}
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