| /* |
| * Copyright (c) 2002, 2013, 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++ -*- |
| // Small program for unpacking specially compressed Java packages. |
| // John R. Rose |
| |
| #include <sys/types.h> |
| |
| #include <stdio.h> |
| #include <string.h> |
| #include <stdlib.h> |
| #include <stdarg.h> |
| |
| #include "defines.h" |
| #include "bytes.h" |
| #include "utils.h" |
| #include "coding.h" |
| #include "bands.h" |
| |
| #include "constants.h" |
| #include "unpack.h" |
| |
| inline void band::abort(const char* msg) { u->abort(msg); } |
| inline bool band::aborting() { return u->aborting(); } |
| |
| void band::readData(int expectedLength) { |
| CHECK; |
| assert(expectedLength >= 0); |
| assert(vs[0].cmk == cmk_ERROR); |
| if (expectedLength != 0) { |
| assert(length == 0); |
| length = expectedLength; |
| } |
| if (length == 0) { |
| assert((rplimit = cm.vs0.rp = u->rp) != null); |
| return; |
| } |
| assert(length > 0); |
| |
| bool is_BYTE1 = (defc->spec == BYTE1_spec); |
| |
| if (is_BYTE1) { |
| // No possibility of coding change. Sizing is exact. |
| u->ensure_input(length); |
| } else { |
| // Make a conservatively generous estimate of band size in bytes. |
| // Assume B == 5 everywhere. |
| // Assume awkward pop with all {U} values (2*5 per value) |
| jlong generous = (jlong) length * (B_MAX*3+1) + C_SLOP; |
| u->ensure_input(generous); |
| } |
| |
| // Read one value to see what it might be. |
| int XB = _meta_default; |
| int cp1 = 0, cp2 = 0; |
| if (!is_BYTE1) { |
| // must be a variable-length coding |
| assert(defc->B() > 1 && defc->L() > 0); |
| // must have already read from previous band: |
| assert(bn >= BAND_LIMIT || bn <= 0 |
| || bn == e_cp_Utf8_big_chars |
| || endsWith(name, "_lo") // preceded by _hi conditional band |
| || bn == e_file_options // preceded by conditional band |
| || u->rp == u->all_bands[bn-1].maxRP() |
| || u->all_bands[bn-1].defc == null); |
| |
| value_stream xvs; |
| coding* valc = defc; |
| if (valc->D() != 0) { |
| valc = coding::findBySpec(defc->B(), defc->H(), defc->S()); |
| assert(!valc->isMalloc); |
| } |
| xvs.init(u->rp, u->rplimit, valc); |
| CHECK; |
| int X = xvs.getInt(); |
| if (valc->S() != 0) { |
| assert(valc->min <= -256); |
| XB = -1-X; |
| } else { |
| int L = valc->L(); |
| assert(valc->max >= L+255); |
| XB = X-L; |
| } |
| if (0 <= XB && XB < 256) { |
| // Skip over the escape value. |
| u->rp = xvs.rp; |
| cp1 = 1; |
| } else { |
| // No, it's still default. |
| XB = _meta_default; |
| } |
| } |
| |
| if (XB <= _meta_canon_max) { |
| byte XB_byte = (byte) XB; |
| byte* XB_ptr = &XB_byte; |
| cm.init(u->rp, u->rplimit, XB_ptr, 0, defc, length, null); |
| CHECK; |
| } else { |
| NOT_PRODUCT(byte* meta_rp0 = u->meta_rp); |
| assert(u->meta_rp != null); |
| // Scribble the initial byte onto the band. |
| byte* save_meta_rp = --u->meta_rp; |
| byte save_meta_xb = (*save_meta_rp); |
| (*save_meta_rp) = (byte) XB; |
| cm.init(u->rp, u->rplimit, u->meta_rp, 0, defc, length, null); |
| (*save_meta_rp) = save_meta_xb; // put it back, just to be tidy |
| NOT_PRODUCT(cp2 = (int)(u->meta_rp - meta_rp0)); |
| } |
| rplimit = u->rp; |
| |
| rewind(); |
| |
| #ifndef PRODUCT |
| PRINTCR((3,"readFrom %s at %p [%d values, %d bytes, cp=%d/%d]", |
| (name?name:"(band)"), minRP(), length, size(), cp1, cp2)); |
| if (u->verbose_bands || u->verbose >= 4) dump(); |
| |
| if (ix != null && u->verbose != 0 && length > 0) { |
| // Check referential integrity early, for easier debugging. |
| band saved = (*this); // save state |
| for (int i = 0; i < length; i++) { |
| int n = vs[0].getInt() - nullOK; |
| entry *ref = ix->get(n); |
| assert(ref != null || n == -1); |
| } |
| (*this) = saved; |
| } |
| #endif |
| } |
| |
| #ifndef PRODUCT |
| void band::dump() { |
| band saved = (*this); // save state |
| const char* b_name = name; |
| char b_name_buf[100]; |
| if (b_name == null) { |
| char* bp = &b_name_buf[0]; |
| b_name = bp; |
| sprintf(bp, "#%d/%d", bn, le_kind); bp += strlen(bp); |
| if (le_bci != 0) { sprintf(bp, "/bci%d", le_bci); bp += strlen(bp); } |
| if (le_back != 0) { sprintf(bp, "/back%d", le_back); bp += strlen(bp); } |
| if (le_len != 0) { sprintf(bp, "/len%d", le_len); bp += strlen(bp); } |
| } |
| fprintf(u->errstrm, "band %s[%d]%s", b_name, length, (length==0?"\n":" {")); |
| if (length > 0) { |
| for (int i = 0; i < length; i++) { |
| const char* eol = (length > 10 && i % 10 == 0) ? "\n" : " "; |
| fprintf(u->errstrm, "%s%d", eol, vs[0].getInt()); |
| } |
| fprintf(u->errstrm, " }\n"); |
| } |
| (*this) = saved; |
| } |
| #endif |
| |
| void band::setIndex(cpindex* ix_) { |
| assert(ix_ == null || ixTag == ix_->ixTag); |
| ix = ix_; |
| } |
| void band::setIndexByTag(byte tag) { |
| setIndex(u->cp.getIndex(tag)); |
| } |
| |
| entry* band::getRefCommon(cpindex* ix_, bool nullOKwithCaller) { |
| CHECK_0; |
| if (ix_ == NULL) { |
| abort("no index"); |
| return NULL; |
| } |
| assert(ix_->ixTag == ixTag |
| || ((ixTag == CONSTANT_All || |
| ixTag == CONSTANT_LoadableValue || |
| ixTag == CONSTANT_AnyMember) |
| || (ixTag == CONSTANT_FieldSpecific && |
| ix_->ixTag >= CONSTANT_Integer && |
| ix_->ixTag <= CONSTANT_String)) |
| ); |
| int n = vs[0].getInt() - nullOK; |
| // Note: band-local nullOK means null encodes as 0. |
| // But nullOKwithCaller means caller is willing to tolerate a null. |
| entry *ref = ix_->get(n); |
| if (ref == null && !(nullOKwithCaller && n == -1)) |
| abort(n == -1 ? "null ref" : "bad ref"); |
| return ref; |
| } |
| |
| jlong band::getLong(band& lo_band, bool have_hi) { |
| band& hi_band = (*this); |
| assert(lo_band.bn == hi_band.bn + 1); |
| uint lo = lo_band.getInt(); |
| if (!have_hi) { |
| assert(hi_band.length == 0); |
| return makeLong(0, lo); |
| } |
| uint hi = hi_band.getInt(); |
| return makeLong(hi, lo); |
| } |
| |
| int band::getIntTotal() { |
| CHECK_0; |
| if (length == 0) return 0; |
| if (total_memo > 0) return total_memo-1; |
| int total = getInt(); |
| // overflow checks require that none of the addends are <0, |
| // and that the partial sums never overflow (wrap negative) |
| if (total < 0) { |
| abort("overflow detected"); |
| return 0; |
| } |
| for (int k = length-1; k > 0; k--) { |
| int prev_total = total; |
| total += vs[0].getInt(); |
| if (total < prev_total) { |
| abort("overflow detected"); |
| return 0; |
| } |
| } |
| rewind(); |
| total_memo = total+1; |
| return total; |
| } |
| |
| int band::getIntCount(int tag) { |
| CHECK_0; |
| if (length == 0) return 0; |
| if (tag >= HIST0_MIN && tag <= HIST0_MAX) { |
| if (hist0 == null) { |
| // Lazily calculate an approximate histogram. |
| hist0 = U_NEW(int, (HIST0_MAX - HIST0_MIN)+1); |
| CHECK_0; |
| for (int k = length; k > 0; k--) { |
| int x = vs[0].getInt(); |
| if (x >= HIST0_MIN && x <= HIST0_MAX) |
| hist0[x - HIST0_MIN] += 1; |
| } |
| rewind(); |
| } |
| return hist0[tag - HIST0_MIN]; |
| } |
| int total = 0; |
| for (int k = length; k > 0; k--) { |
| total += (vs[0].getInt() == tag) ? 1 : 0; |
| } |
| rewind(); |
| return total; |
| } |
| |
| #define INDEX_INIT(tag, nullOK, subindex) \ |
| ((tag) + (subindex)*SUBINDEX_BIT + (nullOK)*256) |
| |
| #define INDEX(tag) INDEX_INIT(tag, 0, 0) |
| #define NULL_OR_INDEX(tag) INDEX_INIT(tag, 1, 0) |
| #define SUB_INDEX(tag) INDEX_INIT(tag, 0, 1) |
| #define NO_INDEX 0 |
| |
| struct band_init { |
| int bn; |
| const char* name; |
| int defc; |
| int index; |
| }; |
| |
| #define BAND_INIT(name, cspec, ix) \ |
| { e_##name, #name, /*debug only*/ \ |
| cspec, ix } |
| |
| const band_init all_band_inits[BAND_LIMIT+1] = { |
| //BAND_INIT(archive_magic, BYTE1_spec, 0), |
| //BAND_INIT(archive_header, UNSIGNED5_spec, 0), |
| //BAND_INIT(band_headers, BYTE1_spec, 0), |
| BAND_INIT(cp_Utf8_prefix, DELTA5_spec, 0), |
| BAND_INIT(cp_Utf8_suffix, UNSIGNED5_spec, 0), |
| BAND_INIT(cp_Utf8_chars, CHAR3_spec, 0), |
| BAND_INIT(cp_Utf8_big_suffix, DELTA5_spec, 0), |
| BAND_INIT(cp_Utf8_big_chars, DELTA5_spec, 0), |
| BAND_INIT(cp_Int, UDELTA5_spec, 0), |
| BAND_INIT(cp_Float, UDELTA5_spec, 0), |
| BAND_INIT(cp_Long_hi, UDELTA5_spec, 0), |
| BAND_INIT(cp_Long_lo, DELTA5_spec, 0), |
| BAND_INIT(cp_Double_hi, UDELTA5_spec, 0), |
| BAND_INIT(cp_Double_lo, DELTA5_spec, 0), |
| BAND_INIT(cp_String, UDELTA5_spec, INDEX(CONSTANT_Utf8)), |
| BAND_INIT(cp_Class, UDELTA5_spec, INDEX(CONSTANT_Utf8)), |
| BAND_INIT(cp_Signature_form, DELTA5_spec, INDEX(CONSTANT_Utf8)), |
| BAND_INIT(cp_Signature_classes, UDELTA5_spec, INDEX(CONSTANT_Class)), |
| BAND_INIT(cp_Descr_name, DELTA5_spec, INDEX(CONSTANT_Utf8)), |
| BAND_INIT(cp_Descr_type, UDELTA5_spec, INDEX(CONSTANT_Signature)), |
| BAND_INIT(cp_Field_class, DELTA5_spec, INDEX(CONSTANT_Class)), |
| BAND_INIT(cp_Field_desc, UDELTA5_spec, INDEX(CONSTANT_NameandType)), |
| BAND_INIT(cp_Method_class, DELTA5_spec, INDEX(CONSTANT_Class)), |
| BAND_INIT(cp_Method_desc, UDELTA5_spec, INDEX(CONSTANT_NameandType)), |
| BAND_INIT(cp_Imethod_class, DELTA5_spec, INDEX(CONSTANT_Class)), |
| BAND_INIT(cp_Imethod_desc, UDELTA5_spec, INDEX(CONSTANT_NameandType)), |
| BAND_INIT(cp_MethodHandle_refkind, DELTA5_spec, 0), |
| BAND_INIT(cp_MethodHandle_member, UDELTA5_spec, INDEX(CONSTANT_AnyMember)), |
| BAND_INIT(cp_MethodType, UDELTA5_spec, INDEX(CONSTANT_Signature)), |
| BAND_INIT(cp_BootstrapMethod_ref, DELTA5_spec, INDEX(CONSTANT_MethodHandle)), |
| BAND_INIT(cp_BootstrapMethod_arg_count, UDELTA5_spec, 0), |
| BAND_INIT(cp_BootstrapMethod_arg, DELTA5_spec, INDEX(CONSTANT_LoadableValue)), |
| BAND_INIT(cp_InvokeDynamic_spec, DELTA5_spec, INDEX(CONSTANT_BootstrapMethod)), |
| BAND_INIT(cp_InvokeDynamic_desc, UDELTA5_spec, INDEX(CONSTANT_NameandType)), |
| BAND_INIT(attr_definition_headers, BYTE1_spec, 0), |
| BAND_INIT(attr_definition_name, UNSIGNED5_spec, INDEX(CONSTANT_Utf8)), |
| BAND_INIT(attr_definition_layout, UNSIGNED5_spec, INDEX(CONSTANT_Utf8)), |
| BAND_INIT(ic_this_class, UDELTA5_spec, INDEX(CONSTANT_Class)), |
| BAND_INIT(ic_flags, UNSIGNED5_spec, 0), |
| BAND_INIT(ic_outer_class, DELTA5_spec, NULL_OR_INDEX(CONSTANT_Class)), |
| BAND_INIT(ic_name, DELTA5_spec, NULL_OR_INDEX(CONSTANT_Utf8)), |
| BAND_INIT(class_this, DELTA5_spec, INDEX(CONSTANT_Class)), |
| BAND_INIT(class_super, DELTA5_spec, INDEX(CONSTANT_Class)), |
| BAND_INIT(class_interface_count, DELTA5_spec, 0), |
| BAND_INIT(class_interface, DELTA5_spec, INDEX(CONSTANT_Class)), |
| BAND_INIT(class_field_count, DELTA5_spec, 0), |
| BAND_INIT(class_method_count, DELTA5_spec, 0), |
| BAND_INIT(field_descr, DELTA5_spec, INDEX(CONSTANT_NameandType)), |
| BAND_INIT(field_flags_hi, UNSIGNED5_spec, 0), |
| BAND_INIT(field_flags_lo, UNSIGNED5_spec, 0), |
| BAND_INIT(field_attr_count, UNSIGNED5_spec, 0), |
| BAND_INIT(field_attr_indexes, UNSIGNED5_spec, 0), |
| BAND_INIT(field_attr_calls, UNSIGNED5_spec, 0), |
| BAND_INIT(field_ConstantValue_KQ, UNSIGNED5_spec, INDEX(CONSTANT_FieldSpecific)), |
| BAND_INIT(field_Signature_RS, UNSIGNED5_spec, INDEX(CONSTANT_Signature)), |
| BAND_INIT(field_metadata_bands, -1, -1), |
| BAND_INIT(field_attr_bands, -1, -1), |
| BAND_INIT(method_descr, MDELTA5_spec, INDEX(CONSTANT_NameandType)), |
| BAND_INIT(method_flags_hi, UNSIGNED5_spec, 0), |
| BAND_INIT(method_flags_lo, UNSIGNED5_spec, 0), |
| BAND_INIT(method_attr_count, UNSIGNED5_spec, 0), |
| BAND_INIT(method_attr_indexes, UNSIGNED5_spec, 0), |
| BAND_INIT(method_attr_calls, UNSIGNED5_spec, 0), |
| BAND_INIT(method_Exceptions_N, UNSIGNED5_spec, 0), |
| BAND_INIT(method_Exceptions_RC, UNSIGNED5_spec, INDEX(CONSTANT_Class)), |
| BAND_INIT(method_Signature_RS, UNSIGNED5_spec, INDEX(CONSTANT_Signature)), |
| BAND_INIT(method_metadata_bands, -1, -1), |
| BAND_INIT(method_MethodParameters_NB, BYTE1_spec, 0), |
| BAND_INIT(method_MethodParameters_name_RUN, UNSIGNED5_spec, NULL_OR_INDEX(CONSTANT_Utf8)), |
| BAND_INIT(method_MethodParameters_flag_FH, UNSIGNED5_spec, 0), |
| BAND_INIT(method_attr_bands, -1, -1), |
| BAND_INIT(class_flags_hi, UNSIGNED5_spec, 0), |
| BAND_INIT(class_flags_lo, UNSIGNED5_spec, 0), |
| BAND_INIT(class_attr_count, UNSIGNED5_spec, 0), |
| BAND_INIT(class_attr_indexes, UNSIGNED5_spec, 0), |
| BAND_INIT(class_attr_calls, UNSIGNED5_spec, 0), |
| BAND_INIT(class_SourceFile_RUN, UNSIGNED5_spec, NULL_OR_INDEX(CONSTANT_Utf8)), |
| BAND_INIT(class_EnclosingMethod_RC, UNSIGNED5_spec, INDEX(CONSTANT_Class)), |
| BAND_INIT(class_EnclosingMethod_RDN, UNSIGNED5_spec, NULL_OR_INDEX(CONSTANT_NameandType)), |
| BAND_INIT(class_Signature_RS, UNSIGNED5_spec, INDEX(CONSTANT_Signature)), |
| BAND_INIT(class_metadata_bands, -1, -1), |
| BAND_INIT(class_InnerClasses_N, UNSIGNED5_spec, 0), |
| BAND_INIT(class_InnerClasses_RC, UNSIGNED5_spec, INDEX(CONSTANT_Class)), |
| BAND_INIT(class_InnerClasses_F, UNSIGNED5_spec, 0), |
| BAND_INIT(class_InnerClasses_outer_RCN, UNSIGNED5_spec, NULL_OR_INDEX(CONSTANT_Class)), |
| BAND_INIT(class_InnerClasses_name_RUN, UNSIGNED5_spec, NULL_OR_INDEX(CONSTANT_Utf8)), |
| BAND_INIT(class_ClassFile_version_minor_H, UNSIGNED5_spec, 0), |
| BAND_INIT(class_ClassFile_version_major_H, UNSIGNED5_spec, 0), |
| BAND_INIT(class_attr_bands, -1, -1), |
| BAND_INIT(code_headers, BYTE1_spec, 0), |
| BAND_INIT(code_max_stack, UNSIGNED5_spec, 0), |
| BAND_INIT(code_max_na_locals, UNSIGNED5_spec, 0), |
| BAND_INIT(code_handler_count, UNSIGNED5_spec, 0), |
| BAND_INIT(code_handler_start_P, BCI5_spec, 0), |
| BAND_INIT(code_handler_end_PO, BRANCH5_spec, 0), |
| BAND_INIT(code_handler_catch_PO, BRANCH5_spec, 0), |
| BAND_INIT(code_handler_class_RCN, UNSIGNED5_spec, NULL_OR_INDEX(CONSTANT_Class)), |
| BAND_INIT(code_flags_hi, UNSIGNED5_spec, 0), |
| BAND_INIT(code_flags_lo, UNSIGNED5_spec, 0), |
| BAND_INIT(code_attr_count, UNSIGNED5_spec, 0), |
| BAND_INIT(code_attr_indexes, UNSIGNED5_spec, 0), |
| BAND_INIT(code_attr_calls, UNSIGNED5_spec, 0), |
| BAND_INIT(code_StackMapTable_N, UNSIGNED5_spec, 0), |
| BAND_INIT(code_StackMapTable_frame_T, BYTE1_spec, 0), |
| BAND_INIT(code_StackMapTable_local_N, UNSIGNED5_spec, 0), |
| BAND_INIT(code_StackMapTable_stack_N, UNSIGNED5_spec, 0), |
| BAND_INIT(code_StackMapTable_offset, UNSIGNED5_spec, 0), |
| BAND_INIT(code_StackMapTable_T, BYTE1_spec, 0), |
| BAND_INIT(code_StackMapTable_RC, UNSIGNED5_spec, INDEX(CONSTANT_Class)), |
| BAND_INIT(code_StackMapTable_P, BCI5_spec, 0), |
| BAND_INIT(code_LineNumberTable_N, UNSIGNED5_spec, 0), |
| BAND_INIT(code_LineNumberTable_bci_P, BCI5_spec, 0), |
| BAND_INIT(code_LineNumberTable_line, UNSIGNED5_spec, 0), |
| BAND_INIT(code_LocalVariableTable_N, UNSIGNED5_spec, 0), |
| BAND_INIT(code_LocalVariableTable_bci_P, BCI5_spec, 0), |
| BAND_INIT(code_LocalVariableTable_span_O, BRANCH5_spec, 0), |
| BAND_INIT(code_LocalVariableTable_name_RU, UNSIGNED5_spec, INDEX(CONSTANT_Utf8)), |
| BAND_INIT(code_LocalVariableTable_type_RS, UNSIGNED5_spec, INDEX(CONSTANT_Signature)), |
| BAND_INIT(code_LocalVariableTable_slot, UNSIGNED5_spec, 0), |
| BAND_INIT(code_LocalVariableTypeTable_N, UNSIGNED5_spec, 0), |
| BAND_INIT(code_LocalVariableTypeTable_bci_P, BCI5_spec, 0), |
| BAND_INIT(code_LocalVariableTypeTable_span_O, BRANCH5_spec, 0), |
| BAND_INIT(code_LocalVariableTypeTable_name_RU, UNSIGNED5_spec, INDEX(CONSTANT_Utf8)), |
| BAND_INIT(code_LocalVariableTypeTable_type_RS, UNSIGNED5_spec, INDEX(CONSTANT_Signature)), |
| BAND_INIT(code_LocalVariableTypeTable_slot, UNSIGNED5_spec, 0), |
| BAND_INIT(code_attr_bands, -1, -1), |
| BAND_INIT(bc_codes, BYTE1_spec, 0), |
| BAND_INIT(bc_case_count, UNSIGNED5_spec, 0), |
| BAND_INIT(bc_case_value, DELTA5_spec, 0), |
| BAND_INIT(bc_byte, BYTE1_spec, 0), |
| BAND_INIT(bc_short, DELTA5_spec, 0), |
| BAND_INIT(bc_local, UNSIGNED5_spec, 0), |
| BAND_INIT(bc_label, BRANCH5_spec, 0), |
| BAND_INIT(bc_intref, DELTA5_spec, INDEX(CONSTANT_Integer)), |
| BAND_INIT(bc_floatref, DELTA5_spec, INDEX(CONSTANT_Float)), |
| BAND_INIT(bc_longref, DELTA5_spec, INDEX(CONSTANT_Long)), |
| BAND_INIT(bc_doubleref, DELTA5_spec, INDEX(CONSTANT_Double)), |
| BAND_INIT(bc_stringref, DELTA5_spec, INDEX(CONSTANT_String)), |
| BAND_INIT(bc_loadablevalueref, DELTA5_spec, INDEX(CONSTANT_LoadableValue)), |
| BAND_INIT(bc_classref, UNSIGNED5_spec, NULL_OR_INDEX(CONSTANT_Class)), |
| BAND_INIT(bc_fieldref, DELTA5_spec, INDEX(CONSTANT_Fieldref)), |
| BAND_INIT(bc_methodref, UNSIGNED5_spec, INDEX(CONSTANT_Methodref)), |
| BAND_INIT(bc_imethodref, DELTA5_spec, INDEX(CONSTANT_InterfaceMethodref)), |
| BAND_INIT(bc_indyref, DELTA5_spec, INDEX(CONSTANT_InvokeDynamic)), |
| BAND_INIT(bc_thisfield, UNSIGNED5_spec, SUB_INDEX(CONSTANT_Fieldref)), |
| BAND_INIT(bc_superfield, UNSIGNED5_spec, SUB_INDEX(CONSTANT_Fieldref)), |
| BAND_INIT(bc_thismethod, UNSIGNED5_spec, SUB_INDEX(CONSTANT_Methodref)), |
| BAND_INIT(bc_supermethod, UNSIGNED5_spec, SUB_INDEX(CONSTANT_Methodref)), |
| BAND_INIT(bc_initref, UNSIGNED5_spec, SUB_INDEX(CONSTANT_Methodref)), |
| BAND_INIT(bc_escref, UNSIGNED5_spec, INDEX(CONSTANT_All)), |
| BAND_INIT(bc_escrefsize, UNSIGNED5_spec, 0), |
| BAND_INIT(bc_escsize, UNSIGNED5_spec, 0), |
| BAND_INIT(bc_escbyte, BYTE1_spec, 0), |
| BAND_INIT(file_name, UNSIGNED5_spec, INDEX(CONSTANT_Utf8)), |
| BAND_INIT(file_size_hi, UNSIGNED5_spec, 0), |
| BAND_INIT(file_size_lo, UNSIGNED5_spec, 0), |
| BAND_INIT(file_modtime, DELTA5_spec, 0), |
| BAND_INIT(file_options, UNSIGNED5_spec, 0), |
| //BAND_INIT(file_bits, BYTE1_spec, 0), |
| { 0, NULL, 0, 0 } |
| }; |
| |
| band* band::makeBands(unpacker* u) { |
| band* tmp_all_bands = U_NEW(band, BAND_LIMIT); |
| for (int i = 0; i < BAND_LIMIT; i++) { |
| assert((byte*)&all_band_inits[i+1] |
| < (byte*)all_band_inits+sizeof(all_band_inits)); |
| const band_init& bi = all_band_inits[i]; |
| band& b = tmp_all_bands[i]; |
| coding* defc = coding::findBySpec(bi.defc); |
| assert((defc == null) == (bi.defc == -1)); // no garbage, please |
| assert(defc == null || !defc->isMalloc); |
| assert(bi.bn == i); // band array consistent w/ band enum |
| b.init(u, i, defc); |
| if (bi.index > 0) { |
| b.nullOK = ((bi.index >> 8) & 1); |
| b.ixTag = (bi.index & 0xFF); |
| } |
| #ifndef PRODUCT |
| b.name = bi.name; |
| #endif |
| } |
| return tmp_all_bands; |
| } |
| |
| void band::initIndexes(unpacker* u) { |
| band* tmp_all_bands = u->all_bands; |
| for (int i = 0; i < BAND_LIMIT; i++) { |
| band* scan = &tmp_all_bands[i]; |
| uint tag = scan->ixTag; // Cf. #define INDEX(tag) above |
| if (tag != 0 && tag != CONSTANT_FieldSpecific && (tag & SUBINDEX_BIT) == 0) { |
| scan->setIndex(u->cp.getIndex(tag)); |
| } |
| } |
| } |