commit gcc-4.4.3 which is used to build gcc-4.4.3 Android toolchain in master.

The source is based on fsf gcc-4.4.3 and contains local patches which
are recorded in gcc-4.4.3/README.google.

Change-Id: Id8c6d6927df274ae9749196a1cc24dbd9abc9887

1 files changed, 522 insertions, 0 deletions

diff --git a/gcc-4.4.3/gcc/java/jcf-reader.c b/gcc-4.4.3/gcc/java/jcf-reader.c
new file mode 100644
index 000000000..ffd1ac5a3
--- /dev/null
+++ b/gcc-4.4.3/gcc/java/jcf-reader.c
@@ -0,0 +1,522 @@
+/* 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,
+   2007, 2008 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 3, or (at your option)
+any later version.
+
+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 GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  
+
+Java and all Java-based marks are trademarks or registered trademarks
+of Sun Microsystems, Inc. in the United States and other countries.
+The Free Software Foundation is independent of Sun Microsystems, Inc.  */
+
+#include "jcf.h"
+#include "zipfile.h"
+
+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
+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);
+  uint32 start_pos = JCF_TELL(jcf);
+  int name_length;
+  const unsigned char *name_data;
+  JCF_FILL (jcf, (long) attribute_length);
+  if (attribute_name <= 0 || attribute_name >= JPOOL_SIZE(jcf))
+    return -2;
+  if (JPOOL_TAG (jcf, attribute_name) != CONSTANT_Utf8)
+    return -2;
+  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))
+     {
+       JCF_SKIP (jcf, attribute_length);
+     }
+   else
+#endif
+#ifdef HANDLE_SOURCEFILE
+  if (MATCH_ATTRIBUTE ("SourceFile"))
+    {
+      uint16 sourcefile_index = JCF_readu2 (jcf);
+      HANDLE_SOURCEFILE(sourcefile_index);
+    }
+  else
+#endif
+#ifdef HANDLE_CONSTANTVALUE
+  if (MATCH_ATTRIBUTE ("ConstantValue"))
+    {
+      uint16 constantvalue_index = JCF_readu2 (jcf);
+      if (constantvalue_index <= 0 || constantvalue_index >= JPOOL_SIZE(jcf))
+	return -2;
+      HANDLE_CONSTANTVALUE(constantvalue_index);
+    }
+  else
+#endif
+#ifdef HANDLE_CODE_ATTRIBUTE
+  if (MATCH_ATTRIBUTE ("Code"))
+    {
+      uint16 j;
+      uint16 max_stack ATTRIBUTE_UNUSED = JCF_readu2 (jcf);
+      uint16 max_locals ATTRIBUTE_UNUSED = JCF_readu2 (jcf);
+      uint32 code_length = JCF_readu4 (jcf);
+      uint16 exception_table_length, attributes_count;
+      if (code_length + 12 > attribute_length)
+	return -1;
+      HANDLE_CODE_ATTRIBUTE(max_stack, max_locals, code_length);
+      JCF_SKIP (jcf, code_length);
+      exception_table_length = JCF_readu2 (jcf);
+      if (code_length + 8 * exception_table_length + 12 > attribute_length)
+	return -1;
+#ifdef HANDLE_EXCEPTION_TABLE
+      HANDLE_EXCEPTION_TABLE (jcf->read_ptr, exception_table_length);
+#endif
+      JCF_SKIP (jcf, 2 * 4 * exception_table_length);
+      attributes_count = JCF_readu2 (jcf);
+      for (j = 0; j < attributes_count; j++)
+	{
+	  int code = get_attribute (jcf, index, JV_METHOD_ATTR);
+	  if (code != 0)
+	    return code;
+	}
+    }
+  else
+#endif /* HANDLE_CODE_ATTRIBUTE */
+#ifdef HANDLE_EXCEPTIONS_ATTRIBUTE
+  if (MATCH_ATTRIBUTE ("Exceptions"))
+    {
+      uint16 count = JCF_readu2 (jcf);
+      HANDLE_EXCEPTIONS_ATTRIBUTE (count);
+    }
+  else
+#endif
+#ifdef HANDLE_LINENUMBERTABLE_ATTRIBUTE
+  if (MATCH_ATTRIBUTE ("LineNumberTable"))
+    {
+      uint16 count = JCF_readu2 (jcf);
+      HANDLE_LINENUMBERTABLE_ATTRIBUTE (count);
+    }
+  else
+#endif
+#ifdef HANDLE_LOCALVARIABLETABLE_ATTRIBUTE
+  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);
+#else
+      JCF_SKIP (jcf, attribute_length);
+#endif
+    }
+  if ((long) (start_pos + attribute_length) != JCF_TELL(jcf))
+    return -1;
+  return 0;
+}
+
+/* Read and handle the pre-amble. */
+static int
+jcf_parse_preamble (JCF* jcf)
+{
+  uint32 magic = (JCF_FILL (jcf, 8), JCF_readu4 (jcf));
+  uint16 minor_version ATTRIBUTE_UNUSED = JCF_readu2 (jcf);
+  uint16 major_version ATTRIBUTE_UNUSED = JCF_readu2 (jcf);
+#ifdef HANDLE_MAGIC
+  HANDLE_MAGIC (magic, minor_version, major_version);
+#endif
+  if (magic != 0xcafebabe)
+    return -1;
+  else
+    return 0;
+}
+
+/* Read and handle the constant pool.
+
+   Return 0 if OK.
+   Return -2 if a bad cross-reference (index of other constant) was seen.
+*/
+static int
+jcf_parse_constant_pool (JCF* jcf)
+{
+  int i, n;
+  JPOOL_SIZE (jcf) = (JCF_FILL (jcf, 2), JCF_readu2 (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.tags[0] = 0;
+#ifdef HANDLE_START_CONSTANT_POOL
+  HANDLE_START_CONSTANT_POOL (JPOOL_SIZE (jcf));
+#endif
+  for (i = 1; i < (int) JPOOL_SIZE (jcf); i++)
+    {
+      int constant_kind;
+       
+      /* Make sure at least 9 bytes are available.  This is enough
+	 for all fixed-sized constant pool entries (so we don't need many
+	 more JCF_FILL calls below), but is is small enough that
+	 we are guaranteed to not hit EOF (in a valid .class file). */
+      JCF_FILL (jcf, 9);
+      constant_kind = JCF_readu (jcf);
+      jcf->cpool.tags[i] = constant_kind;
+      switch (constant_kind)
+	{
+	case CONSTANT_String:
+	case CONSTANT_Class:
+	  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].w = JCF_readu2 (jcf);
+	  jcf->cpool.data[i].w |= JCF_readu2 (jcf) << 16;
+	  break;
+	case CONSTANT_Integer:
+	case CONSTANT_Float:
+	  jcf->cpool.data[i].w = JCF_readu4 (jcf);
+	  break;
+	case CONSTANT_Long:
+	case CONSTANT_Double:
+	  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].w = JCF_readu4 (jcf);
+	  break;
+	case CONSTANT_Utf8:
+	  n = JCF_readu2 (jcf);
+	  JCF_FILL (jcf, n);
+#ifdef HANDLE_CONSTANT_Utf8
+	  HANDLE_CONSTANT_Utf8(jcf, i, n);
+#else
+	  jcf->cpool.data[i].w = JCF_TELL(jcf) - 2;
+	  JCF_SKIP (jcf, n);
+#endif
+	  break;
+	default:
+	  return i;
+	}
+    }
+  return 0;
+}
+
+/* Read various class flags and numbers. */
+
+static void
+jcf_parse_class (JCF* jcf)
+{
+  int i;
+  uint16 interfaces_count;
+  JCF_FILL (jcf, 8);
+  jcf->access_flags = JCF_readu2 (jcf);
+  jcf->this_class = JCF_readu2 (jcf);
+  jcf->super_class = JCF_readu2 (jcf);
+  interfaces_count = JCF_readu2 (jcf);
+
+#ifdef HANDLE_CLASS_INFO
+  HANDLE_CLASS_INFO(jcf->access_flags, jcf->this_class, jcf->super_class, interfaces_count);
+#endif
+
+  JCF_FILL (jcf, 2 * interfaces_count);
+
+  /* Read interfaces. */
+  for (i = 0; i < interfaces_count; i++)
+    {
+      uint16 index ATTRIBUTE_UNUSED = JCF_readu2 (jcf);
+#ifdef HANDLE_CLASS_INTERFACE
+      HANDLE_CLASS_INTERFACE (index);
+#endif
+    }
+}
+
+/* Read fields. */
+static int
+jcf_parse_fields (JCF* jcf)
+{
+  int i, j;
+  uint16 fields_count;
+  JCF_FILL (jcf, 2);
+  fields_count = JCF_readu2 (jcf);
+
+#ifdef HANDLE_START_FIELDS
+  HANDLE_START_FIELDS (fields_count);
+#endif
+  for (i = 0; i < fields_count; i++)
+    {
+      uint16 access_flags = (JCF_FILL (jcf, 8), JCF_readu2 (jcf));
+      uint16 name_index = JCF_readu2 (jcf);
+      uint16 signature_index = JCF_readu2 (jcf);
+      uint16 attribute_count = JCF_readu2 (jcf);
+#ifdef HANDLE_START_FIELD
+      HANDLE_START_FIELD (access_flags, name_index, signature_index,
+			  attribute_count);
+#endif
+      for (j = 0; j < attribute_count; j++)
+	{
+	  int code = get_attribute (jcf, i, JV_FIELD_ATTR);
+	  if (code != 0)
+	    return code;
+	}
+#ifdef HANDLE_END_FIELD
+      HANDLE_END_FIELD ();
+#endif
+    }
+#ifdef HANDLE_END_FIELDS
+  HANDLE_END_FIELDS ();
+#endif
+  return 0;
+}
+
+/* Read methods. */
+
+static int
+jcf_parse_one_method (JCF* jcf, int index)
+{
+  int i;
+  uint16 access_flags = (JCF_FILL (jcf, 8), JCF_readu2 (jcf));
+  uint16 name_index = JCF_readu2 (jcf);
+  uint16 signature_index = JCF_readu2 (jcf);
+  uint16 attribute_count = JCF_readu2 (jcf);
+#ifdef HANDLE_METHOD
+  HANDLE_METHOD(access_flags, name_index, signature_index, attribute_count);
+#endif
+  for (i = 0; i < attribute_count; i++)
+    {
+      int code = get_attribute (jcf, index, JV_METHOD_ATTR);
+      if (code != 0)
+	return code;
+    }
+#ifdef HANDLE_END_METHOD
+  HANDLE_END_METHOD ();
+#endif
+  return 0;
+}
+
+static int
+jcf_parse_methods (JCF* jcf)
+{
+  int i;
+  uint16 methods_count;
+  JCF_FILL (jcf, 2);
+  methods_count = JCF_readu2 (jcf);
+#ifdef HANDLE_START_METHODS
+  HANDLE_START_METHODS (methods_count);
+#endif
+  for (i = 0; i < methods_count; i++)
+    {
+      int code = jcf_parse_one_method (jcf, i);
+      if (code != 0)
+	return code;
+    }
+#ifdef HANDLE_END_METHODS
+  HANDLE_END_METHODS ();
+#endif
+  return 0;
+}
+
+/* Read attributes. */
+static int
+jcf_parse_final_attributes (JCF *jcf)
+{
+  int i;
+  uint16 attributes_count = (JCF_FILL (jcf, 2), JCF_readu2 (jcf));
+#ifdef START_FINAL_ATTRIBUTES
+  START_FINAL_ATTRIBUTES (attributes_count)
+#endif
+  for (i = 0; i < attributes_count; i++)
+    {
+      int code = get_attribute (jcf, i, JV_CLASS_ATTR);
+      if (code != 0)
+	return code;
+    }
+  return 0;
+}
+