| /* |
| * Copyright (c) 2002, 2005, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code 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 |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| // -*- C++ -*- |
| struct entry; |
| struct cpindex; |
| struct unpacker; |
| |
| struct band { |
| #ifndef PRODUCT |
| const char* name; |
| #endif |
| int bn; // band_number of this band |
| coding* defc; // default coding method |
| cpindex* ix; // CP entry mapping, if CPRefBand |
| byte ixTag; // 0 or 1; null is coded as (nullOK?0:-1) |
| byte nullOK; // 0 or 1; null is coded as (nullOK?0:-1) |
| int length; // expected # values |
| unpacker* u; // back pointer |
| |
| value_stream vs[2]; // source of values |
| coding_method cm; // method used for initial state of vs[0] |
| byte* rplimit; // end of band (encoded, transmitted) |
| |
| int total_memo; // cached value of getIntTotal, or -1 |
| int* hist0; // approximate. histogram |
| enum { HIST0_MIN = 0, HIST0_MAX = 255 }; // catches the usual cases |
| |
| // properties for attribute layout elements: |
| byte le_kind; // EK_XXX |
| byte le_bci; // 0,EK_BCI,EK_BCD,EK_BCO |
| byte le_back; // ==EF_BACK |
| byte le_len; // 0,1,2,4 (size in classfile), or call addr |
| band** le_body; // body of repl, union, call (null-terminated) |
| // Note: EK_CASE elements use hist0 to record union tags. |
| #define le_casetags hist0 |
| |
| band& nextBand() { return this[1]; } |
| band& prevBand() { return this[-1]; } |
| |
| void init(unpacker* u_, int bn_, coding* defc_) { |
| u = u_; |
| cm.u = u_; |
| bn = bn_; |
| defc = defc_; |
| } |
| void init(unpacker* u_, int bn_, int defcSpec) { |
| init(u_, bn_, coding::findBySpec(defcSpec)); |
| } |
| void initRef(int ixTag_ = 0, bool nullOK_ = false) { |
| ixTag = ixTag_; |
| nullOK = nullOK_; |
| setIndexByTag(ixTag); |
| } |
| |
| void expectMoreLength(int l) { |
| assert(length >= 0); // able to accept a length |
| assert((int)l >= 0); // no overflow |
| assert(rplimit == null); // readData not yet called |
| length += l; |
| assert(length >= l); // no overflow |
| } |
| |
| void setIndex(cpindex* ix_); |
| void setIndexByTag(byte tag); |
| |
| // Parse the band and its meta-coding header. |
| void readData(int expectedLength = 0); |
| |
| // Reset the band for another pass (Cf. Java Band.resetForSecondPass.) |
| void rewind() { |
| cm.reset(&vs[0]); |
| } |
| |
| byte* &curRP() { return vs[0].rp; } |
| byte* minRP() { return cm.vs0.rp; } |
| byte* maxRP() { return rplimit; } |
| size_t size() { return maxRP() - minRP(); } |
| |
| int getByte() { assert(ix == null); return vs[0].getByte(); } |
| int getInt() { assert(ix == null); return vs[0].getInt(); } |
| entry* getRefN() { assert(ix != null); return getRefCommon(ix, true); } |
| entry* getRef() { assert(ix != null); return getRefCommon(ix, false); } |
| entry* getRefUsing(cpindex* ix2) |
| { assert(ix == null); return getRefCommon(ix2, true); } |
| entry* getRefCommon(cpindex* ix, bool nullOK); |
| jlong getLong(band& lo_band, bool have_hi); |
| |
| static jlong makeLong(uint hi, uint lo) { |
| return ((julong)hi << 32) + (((julong)lo << 32) >> 32); |
| } |
| |
| int getIntTotal(); |
| int getIntCount(int tag); |
| |
| static band* makeBands(unpacker* u); |
| static void initIndexes(unpacker* u); |
| |
| #ifndef PRODUCT |
| void dump(); |
| #endif |
| |
| void abort(const char* msg = null); //{ u->abort(msg); } |
| bool aborting(); //{ return u->aborting(); } |
| }; |
| |
| extern band all_bands[]; |
| |
| #define BAND_LOCAL /* \ |
| band* band_temp = all_bands; \ |
| band* all_bands = band_temp */ |
| |
| // Band schema: |
| enum band_number { |
| //e_archive_magic, |
| //e_archive_header, |
| //e_band_headers, |
| |
| // constant pool contents |
| e_cp_Utf8_prefix, |
| e_cp_Utf8_suffix, |
| e_cp_Utf8_chars, |
| e_cp_Utf8_big_suffix, |
| e_cp_Utf8_big_chars, |
| e_cp_Int, |
| e_cp_Float, |
| e_cp_Long_hi, |
| e_cp_Long_lo, |
| e_cp_Double_hi, |
| e_cp_Double_lo, |
| e_cp_String, |
| e_cp_Class, |
| e_cp_Signature_form, |
| e_cp_Signature_classes, |
| e_cp_Descr_name, |
| e_cp_Descr_type, |
| e_cp_Field_class, |
| e_cp_Field_desc, |
| e_cp_Method_class, |
| e_cp_Method_desc, |
| e_cp_Imethod_class, |
| e_cp_Imethod_desc, |
| |
| // bands which define transmission of attributes |
| e_attr_definition_headers, |
| e_attr_definition_name, |
| e_attr_definition_layout, |
| |
| // band for hardwired InnerClasses attribute (shared across the package) |
| e_ic_this_class, |
| e_ic_flags, |
| // These bands contain data only where flags sets ACC_IC_LONG_FORM: |
| e_ic_outer_class, |
| e_ic_name, |
| |
| // bands for carrying class schema information: |
| e_class_this, |
| e_class_super, |
| e_class_interface_count, |
| e_class_interface, |
| |
| // bands for class members |
| e_class_field_count, |
| e_class_method_count, |
| |
| e_field_descr, |
| e_field_flags_hi, |
| e_field_flags_lo, |
| e_field_attr_count, |
| e_field_attr_indexes, |
| e_field_attr_calls, |
| e_field_ConstantValue_KQ, |
| e_field_Signature_RS, |
| e_field_metadata_bands, |
| e_field_attr_bands, |
| |
| e_method_descr, |
| e_method_flags_hi, |
| e_method_flags_lo, |
| e_method_attr_count, |
| e_method_attr_indexes, |
| e_method_attr_calls, |
| e_method_Exceptions_N, |
| e_method_Exceptions_RC, |
| e_method_Signature_RS, |
| e_method_metadata_bands, |
| e_method_attr_bands, |
| |
| e_class_flags_hi, |
| e_class_flags_lo, |
| e_class_attr_count, |
| e_class_attr_indexes, |
| e_class_attr_calls, |
| e_class_SourceFile_RUN, |
| e_class_EnclosingMethod_RC, |
| e_class_EnclosingMethod_RDN, |
| e_class_Signature_RS, |
| e_class_metadata_bands, |
| e_class_InnerClasses_N, |
| e_class_InnerClasses_RC, |
| e_class_InnerClasses_F, |
| e_class_InnerClasses_outer_RCN, |
| e_class_InnerClasses_name_RUN, |
| e_class_ClassFile_version_minor_H, |
| e_class_ClassFile_version_major_H, |
| e_class_attr_bands, |
| |
| e_code_headers, |
| e_code_max_stack, |
| e_code_max_na_locals, |
| e_code_handler_count, |
| e_code_handler_start_P, |
| e_code_handler_end_PO, |
| e_code_handler_catch_PO, |
| e_code_handler_class_RCN, |
| |
| // code attributes |
| e_code_flags_hi, |
| e_code_flags_lo, |
| e_code_attr_count, |
| e_code_attr_indexes, |
| e_code_attr_calls, |
| e_code_StackMapTable_N, |
| e_code_StackMapTable_frame_T, |
| e_code_StackMapTable_local_N, |
| e_code_StackMapTable_stack_N, |
| e_code_StackMapTable_offset, |
| e_code_StackMapTable_T, |
| e_code_StackMapTable_RC, |
| e_code_StackMapTable_P, |
| e_code_LineNumberTable_N, |
| e_code_LineNumberTable_bci_P, |
| e_code_LineNumberTable_line, |
| e_code_LocalVariableTable_N, |
| e_code_LocalVariableTable_bci_P, |
| e_code_LocalVariableTable_span_O, |
| e_code_LocalVariableTable_name_RU, |
| e_code_LocalVariableTable_type_RS, |
| e_code_LocalVariableTable_slot, |
| e_code_LocalVariableTypeTable_N, |
| e_code_LocalVariableTypeTable_bci_P, |
| e_code_LocalVariableTypeTable_span_O, |
| e_code_LocalVariableTypeTable_name_RU, |
| e_code_LocalVariableTypeTable_type_RS, |
| e_code_LocalVariableTypeTable_slot, |
| e_code_attr_bands, |
| |
| // bands for bytecodes |
| e_bc_codes, |
| // remaining bands provide typed opcode fields required by the bc_codes |
| |
| e_bc_case_count, |
| e_bc_case_value, |
| e_bc_byte, |
| e_bc_short, |
| e_bc_local, |
| e_bc_label, |
| |
| // ldc* operands: |
| e_bc_intref, |
| e_bc_floatref, |
| e_bc_longref, |
| e_bc_doubleref, |
| e_bc_stringref, |
| e_bc_classref, |
| |
| e_bc_fieldref, |
| e_bc_methodref, |
| e_bc_imethodref, |
| |
| // _self_linker_op family |
| e_bc_thisfield, |
| e_bc_superfield, |
| e_bc_thismethod, |
| e_bc_supermethod, |
| |
| // bc_invokeinit family: |
| e_bc_initref, |
| |
| // bytecode escape sequences |
| e_bc_escref, |
| e_bc_escrefsize, |
| e_bc_escsize, |
| e_bc_escbyte, |
| |
| // file attributes and contents |
| e_file_name, |
| e_file_size_hi, |
| e_file_size_lo, |
| e_file_modtime, |
| e_file_options, |
| //e_file_bits, // handled specially as an appendix |
| |
| BAND_LIMIT |
| }; |
| |
| // Symbolic names for bands, as if in a giant global struct: |
| //#define archive_magic all_bands[e_archive_magic] |
| //#define archive_header all_bands[e_archive_header] |
| //#define band_headers all_bands[e_band_headers] |
| #define cp_Utf8_prefix all_bands[e_cp_Utf8_prefix] |
| #define cp_Utf8_suffix all_bands[e_cp_Utf8_suffix] |
| #define cp_Utf8_chars all_bands[e_cp_Utf8_chars] |
| #define cp_Utf8_big_suffix all_bands[e_cp_Utf8_big_suffix] |
| #define cp_Utf8_big_chars all_bands[e_cp_Utf8_big_chars] |
| #define cp_Int all_bands[e_cp_Int] |
| #define cp_Float all_bands[e_cp_Float] |
| #define cp_Long_hi all_bands[e_cp_Long_hi] |
| #define cp_Long_lo all_bands[e_cp_Long_lo] |
| #define cp_Double_hi all_bands[e_cp_Double_hi] |
| #define cp_Double_lo all_bands[e_cp_Double_lo] |
| #define cp_String all_bands[e_cp_String] |
| #define cp_Class all_bands[e_cp_Class] |
| #define cp_Signature_form all_bands[e_cp_Signature_form] |
| #define cp_Signature_classes all_bands[e_cp_Signature_classes] |
| #define cp_Descr_name all_bands[e_cp_Descr_name] |
| #define cp_Descr_type all_bands[e_cp_Descr_type] |
| #define cp_Field_class all_bands[e_cp_Field_class] |
| #define cp_Field_desc all_bands[e_cp_Field_desc] |
| #define cp_Method_class all_bands[e_cp_Method_class] |
| #define cp_Method_desc all_bands[e_cp_Method_desc] |
| #define cp_Imethod_class all_bands[e_cp_Imethod_class] |
| #define cp_Imethod_desc all_bands[e_cp_Imethod_desc] |
| #define attr_definition_headers all_bands[e_attr_definition_headers] |
| #define attr_definition_name all_bands[e_attr_definition_name] |
| #define attr_definition_layout all_bands[e_attr_definition_layout] |
| #define ic_this_class all_bands[e_ic_this_class] |
| #define ic_flags all_bands[e_ic_flags] |
| #define ic_outer_class all_bands[e_ic_outer_class] |
| #define ic_name all_bands[e_ic_name] |
| #define class_this all_bands[e_class_this] |
| #define class_super all_bands[e_class_super] |
| #define class_interface_count all_bands[e_class_interface_count] |
| #define class_interface all_bands[e_class_interface] |
| #define class_field_count all_bands[e_class_field_count] |
| #define class_method_count all_bands[e_class_method_count] |
| #define field_descr all_bands[e_field_descr] |
| #define field_flags_hi all_bands[e_field_flags_hi] |
| #define field_flags_lo all_bands[e_field_flags_lo] |
| #define field_attr_count all_bands[e_field_attr_count] |
| #define field_attr_indexes all_bands[e_field_attr_indexes] |
| #define field_ConstantValue_KQ all_bands[e_field_ConstantValue_KQ] |
| #define field_Signature_RS all_bands[e_field_Signature_RS] |
| #define field_attr_bands all_bands[e_field_attr_bands] |
| #define method_descr all_bands[e_method_descr] |
| #define method_flags_hi all_bands[e_method_flags_hi] |
| #define method_flags_lo all_bands[e_method_flags_lo] |
| #define method_attr_count all_bands[e_method_attr_count] |
| #define method_attr_indexes all_bands[e_method_attr_indexes] |
| #define method_Exceptions_N all_bands[e_method_Exceptions_N] |
| #define method_Exceptions_RC all_bands[e_method_Exceptions_RC] |
| #define method_Signature_RS all_bands[e_method_Signature_RS] |
| #define method_attr_bands all_bands[e_method_attr_bands] |
| #define class_flags_hi all_bands[e_class_flags_hi] |
| #define class_flags_lo all_bands[e_class_flags_lo] |
| #define class_attr_count all_bands[e_class_attr_count] |
| #define class_attr_indexes all_bands[e_class_attr_indexes] |
| #define class_SourceFile_RUN all_bands[e_class_SourceFile_RUN] |
| #define class_EnclosingMethod_RC all_bands[e_class_EnclosingMethod_RC] |
| #define class_EnclosingMethod_RDN all_bands[e_class_EnclosingMethod_RDN] |
| #define class_Signature_RS all_bands[e_class_Signature_RS] |
| #define class_InnerClasses_N all_bands[e_class_InnerClasses_N] |
| #define class_InnerClasses_RC all_bands[e_class_InnerClasses_RC] |
| #define class_InnerClasses_F all_bands[e_class_InnerClasses_F] |
| #define class_InnerClasses_outer_RCN all_bands[e_class_InnerClasses_outer_RCN] |
| #define class_InnerClasses_name_RUN all_bands[e_class_InnerClasses_name_RUN] |
| #define class_ClassFile_version_minor_H all_bands[e_class_ClassFile_version_minor_H] |
| #define class_ClassFile_version_major_H all_bands[e_class_ClassFile_version_major_H] |
| #define class_attr_bands all_bands[e_class_attr_bands] |
| #define code_headers all_bands[e_code_headers] |
| #define code_max_stack all_bands[e_code_max_stack] |
| #define code_max_na_locals all_bands[e_code_max_na_locals] |
| #define code_handler_count all_bands[e_code_handler_count] |
| #define code_handler_start_P all_bands[e_code_handler_start_P] |
| #define code_handler_end_PO all_bands[e_code_handler_end_PO] |
| #define code_handler_catch_PO all_bands[e_code_handler_catch_PO] |
| #define code_handler_class_RCN all_bands[e_code_handler_class_RCN] |
| #define code_flags_hi all_bands[e_code_flags_hi] |
| #define code_flags_lo all_bands[e_code_flags_lo] |
| #define code_attr_count all_bands[e_code_attr_count] |
| #define code_attr_indexes all_bands[e_code_attr_indexes] |
| #define code_StackMapTable_N all_bands[e_code_StackMapTable_N] |
| #define code_StackMapTable_frame_T all_bands[e_code_StackMapTable_frame_T] |
| #define code_StackMapTable_local_N all_bands[e_code_StackMapTable_local_N] |
| #define code_StackMapTable_stack_N all_bands[e_code_StackMapTable_stack_N] |
| #define code_StackMapTable_offset all_bands[e_code_StackMapTable_offset] |
| #define code_StackMapTable_T all_bands[e_code_StackMapTable_T] |
| #define code_StackMapTable_RC all_bands[e_code_StackMapTable_RC] |
| #define code_StackMapTable_P all_bands[e_code_StackMapTable_P] |
| #define code_LineNumberTable_N all_bands[e_code_LineNumberTable_N] |
| #define code_LineNumberTable_bci_P all_bands[e_code_LineNumberTable_bci_P] |
| #define code_LineNumberTable_line all_bands[e_code_LineNumberTable_line] |
| #define code_LocalVariableTable_N all_bands[e_code_LocalVariableTable_N] |
| #define code_LocalVariableTable_bci_P all_bands[e_code_LocalVariableTable_bci_P] |
| #define code_LocalVariableTable_span_O all_bands[e_code_LocalVariableTable_span_O] |
| #define code_LocalVariableTable_name_RU all_bands[e_code_LocalVariableTable_name_RU] |
| #define code_LocalVariableTable_type_RS all_bands[e_code_LocalVariableTable_type_RS] |
| #define code_LocalVariableTable_slot all_bands[e_code_LocalVariableTable_slot] |
| #define code_LocalVariableTypeTable_N all_bands[e_code_LocalVariableTypeTable_N] |
| #define code_LocalVariableTypeTable_bci_P all_bands[e_code_LocalVariableTypeTable_bci_P] |
| #define code_LocalVariableTypeTable_span_O all_bands[e_code_LocalVariableTypeTable_span_O] |
| #define code_LocalVariableTypeTable_name_RU all_bands[e_code_LocalVariableTypeTable_name_RU] |
| #define code_LocalVariableTypeTable_type_RS all_bands[e_code_LocalVariableTypeTable_type_RS] |
| #define code_LocalVariableTypeTable_slot all_bands[e_code_LocalVariableTypeTable_slot] |
| #define code_attr_bands all_bands[e_code_attr_bands] |
| #define bc_codes all_bands[e_bc_codes] |
| #define bc_case_count all_bands[e_bc_case_count] |
| #define bc_case_value all_bands[e_bc_case_value] |
| #define bc_byte all_bands[e_bc_byte] |
| #define bc_short all_bands[e_bc_short] |
| #define bc_local all_bands[e_bc_local] |
| #define bc_label all_bands[e_bc_label] |
| #define bc_intref all_bands[e_bc_intref] |
| #define bc_floatref all_bands[e_bc_floatref] |
| #define bc_longref all_bands[e_bc_longref] |
| #define bc_doubleref all_bands[e_bc_doubleref] |
| #define bc_stringref all_bands[e_bc_stringref] |
| #define bc_classref all_bands[e_bc_classref] |
| #define bc_fieldref all_bands[e_bc_fieldref] |
| #define bc_methodref all_bands[e_bc_methodref] |
| #define bc_imethodref all_bands[e_bc_imethodref] |
| #define bc_thisfield all_bands[e_bc_thisfield] |
| #define bc_superfield all_bands[e_bc_superfield] |
| #define bc_thismethod all_bands[e_bc_thismethod] |
| #define bc_supermethod all_bands[e_bc_supermethod] |
| #define bc_initref all_bands[e_bc_initref] |
| #define bc_escref all_bands[e_bc_escref] |
| #define bc_escrefsize all_bands[e_bc_escrefsize] |
| #define bc_escsize all_bands[e_bc_escsize] |
| #define bc_escbyte all_bands[e_bc_escbyte] |
| #define file_name all_bands[e_file_name] |
| #define file_size_hi all_bands[e_file_size_hi] |
| #define file_size_lo all_bands[e_file_size_lo] |
| #define file_modtime all_bands[e_file_modtime] |
| #define file_options all_bands[e_file_options] |
