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00044 #include "arch.h"
00045 ARCH_COPYRIGHT_APACHE(cfattrib, c, "$URL: https://svn.apache.org/path/name/cfattrib.c $ $Id: cfattrib.c 0 09/28/2005 dlydick $");
00046
00047
00048 #include <string.h>
00049
00050 #include "jvmcfg.h"
00051 #include "cfmacros.h"
00052 #include "classfile.h"
00053 #include "util.h"
00054 #include "utf.h"
00055
00056
00057
00058
00059
00060
00061
00062
00063
00064
00065
00066
00067
00068 #define CMP_ATTRIBUTE(string) \
00069 utf_prchar_pcfs_strcmp(string, pcfs, attribute_name_index)
00070
00071
00072
00073
00074
00075
00076
00077
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00100
00101
00102
00103
00104
00105
00106 classfile_attribute_enum cfattrib_atr2enum(ClassFile *pcfs,
00107 u2 attribute_name_index)
00108 {
00109 if (0 == CMP_ATTRIBUTE(CONSTANT_UTF8_CONSTANTVALUE_ATTRIBUTE))
00110 {
00111 return(LOCAL_CONSTANTVALUE_ATTRIBUTE);
00112 }
00113 else
00114 if (0 == CMP_ATTRIBUTE(CONSTANT_UTF8_CODE_ATTRIBUTE))
00115 {
00116 return(LOCAL_CODE_ATTRIBUTE);
00117 }
00118 else
00119 if (0 == CMP_ATTRIBUTE(CONSTANT_UTF8_EXCEPTIONS_ATTRIBUTE))
00120 {
00121 return(LOCAL_EXCEPTIONS_ATTRIBUTE);
00122 }
00123 else
00124 if (0 == CMP_ATTRIBUTE(CONSTANT_UTF8_INNERCLASSES_ATTRIBUTE))
00125 {
00126 return(LOCAL_INNERCLASSES_ATTRIBUTE);
00127 }
00128 else
00129 if (0 == CMP_ATTRIBUTE(CONSTANT_UTF8_ENCLOSINGMETHOD_ATTRIBUTE))
00130 {
00131 return(LOCAL_ENCLOSINGMETHOD_ATTRIBUTE);
00132 }
00133 else
00134 if (0 == CMP_ATTRIBUTE(CONSTANT_UTF8_SIGNATURE_ATTRIBUTE))
00135 {
00136 return(LOCAL_SIGNATURE_ATTRIBUTE);
00137 }
00138 else
00139 if (0 == CMP_ATTRIBUTE(CONSTANT_UTF8_SYNTHETIC_ATTRIBUTE))
00140 {
00141 return(LOCAL_SYNTHETIC_ATTRIBUTE);
00142 }
00143 else
00144 if (0 == CMP_ATTRIBUTE(CONSTANT_UTF8_SOURCEFILE_ATTRIBUTE))
00145 {
00146 return(LOCAL_SOURCEFILE_ATTRIBUTE);
00147 }
00148 else
00149 if (0 == CMP_ATTRIBUTE(CONSTANT_UTF8_LINENUMBERTABLE_ATTRIBUTE))
00150 {
00151 return(LOCAL_LINENUMBERTABLE_ATTRIBUTE);
00152 }
00153 else
00154 if (0 == CMP_ATTRIBUTE(CONSTANT_UTF8_LOCALVARIABLETABLE_ATTRIBUTE))
00155 {
00156 return(LOCAL_LOCALVARIABLETABLE_ATTRIBUTE);
00157 }
00158 else
00159 if (0 ==
00160 CMP_ATTRIBUTE(CONSTANT_UTF8_LOCALVARIABLETYPETABLE_ATTRIBUTE))
00161 {
00162 return(LOCAL_LOCALVARIABLETYPETABLE_ATTRIBUTE);
00163 }
00164 else
00165 if (0 == CMP_ATTRIBUTE(CONSTANT_UTF8_DEPRECATED_ATTRIBUTE))
00166 {
00167 return(LOCAL_DEPRECATED_ATTRIBUTE);
00168 }
00169 else
00170 if (0 == CMP_ATTRIBUTE(
00171 CONSTANT_UTF8_RUNTIMEVISIBLEANNOTATIONS_ATTRIBUTE))
00172 {
00173 return(LOCAL_RUNTIMEVISIBLEANNOTATIONS_ATTRIBUTE);
00174 }
00175 else
00176 if (0 == CMP_ATTRIBUTE(
00177 CONSTANT_UTF8_RUNTIMEINVISIBLEANNOTATIONS_ATTRIBUTE))
00178 {
00179 return(LOCAL_RUNTIMEINVISIBLEANNOTATIONS_ATTRIBUTE);
00180 }
00181 else
00182 if (0 == CMP_ATTRIBUTE(
00183 CONSTANT_UTF8_RUNTIMEVISIBLEPARAMETERANNOTATIONS_ATTRIBUTE))
00184 {
00185 return(LOCAL_RUNTIMEVISIBLEPARAMETERANNOTATIONS_ATTRIBUTE);
00186 }
00187 else
00188 if (0 == CMP_ATTRIBUTE(
00189 CONSTANT_UTF8_RUNTIMEINVISIBLEPARAMETERANNOTATIONS_ATTRIBUTE))
00190 {
00191 return(LOCAL_RUNTIMEINVISIBLEPARAMETERANNOTATIONS_ATTRIBUTE);
00192 }
00193 else
00194 if (0 == CMP_ATTRIBUTE(CONSTANT_UTF8_ANNOTATIONDEFAULT_ATTRIBUTE))
00195 {
00196 return(LOCAL_ANNOTATIONDEFAULT_ATTRIBUTE);
00197 }
00198 else
00199 {
00200 return(LOCAL_UNKNOWN_ATTRIBUTE);
00201 }
00202
00203 }
00204
00205
00206
00207
00208
00209
00210
00211
00212
00213
00214
00215
00216
00217 rboolean cfattrib_iscodeattribute(ClassFile *pcfs,
00218 u2 attribute_name_index)
00219 {
00220 if (0 == CMP_ATTRIBUTE(CONSTANT_UTF8_CODE_ATTRIBUTE))
00221 {
00222 return(rtrue);
00223 }
00224 else
00225 {
00226 return(rfalse);
00227 }
00228 }
00229
00230
00231
00232
00233
00234
00235
00236
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00251
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00253
00254
00255
00256
00257 #define PTR_DST_AI(dst) ((Code_attribute *) &(*dst)->ai)
00258
00259
00260
00261
00262
00263
00264
00265
00266
00267
00268
00269
00270
00271 #define DST_AI(dst) ((Code_attribute *) &dst->ai)
00272
00273
00274
00275
00276
00277
00278
00279
00280
00281
00282
00283
00284
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00290
00291
00292
00293
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00296
00297
00298
00299
00300
00301
00302
00303
00304 u1 *cfattrib_loadattribute(ClassFile *pcfs,
00305 attribute_info_dup **dst,
00306 attribute_info *src)
00307 {
00308 attribute_info tmpatr;
00309 u4 tmplen;
00310
00311 jbyte *pnext_src = (jbyte *) src;
00312
00313 tmpatr.attribute_name_index = GETRS2(&src->attribute_name_index);
00314 tmpatr.attribute_length = GETRI4(&src->attribute_length);
00315
00316 MACHINE_JSHORT_SWAP(tmpatr.attribute_name_index);
00317 MACHINE_JINT_SWAP(tmpatr.attribute_length);
00318
00319 cfmsgs_typemsg("cfattrib_loadattribute",
00320 pcfs,
00321 tmpatr.attribute_name_index);
00322 sysDbgMsg(DMLNORM,
00323 "cfattrib_loadattribute",
00324 "len=%d",
00325 tmpatr.attribute_length);
00326
00327
00328 GENERIC_FAILURE_PTR((
00329 (tmpatr.attribute_name_index >=
00330 pcfs->constant_pool_count)),
00331 DMLNORM,
00332 "loadClassFileStructures",
00333 "attribute name index",
00334 u1,
00335 rnull,
00336 rnull);
00337
00338
00339 tmplen = sizeof(attribute_info)
00340 - sizeof(u1)
00341 + tmpatr.attribute_length;
00342
00343
00344
00345
00346
00347 pnext_src += tmplen;
00348
00349
00350
00351 tmplen = sizeof(attribute_info_dup)
00352 - sizeof(u1)
00353 + tmpatr.attribute_length;
00354
00355
00356 *dst = (attribute_info_dup *) HEAP_GET_METHOD(tmplen, rfalse);
00357
00358
00359
00360
00361
00362
00363
00364
00365
00366
00367
00368
00369
00370
00371
00372 (*dst)->empty[0] = FILL_INFO_DUP0;
00373 (*dst)->empty[1] = FILL_INFO_DUP1;
00374 (*dst)->ai.attribute_name_index = tmpatr.attribute_name_index;
00375 (*dst)->ai.attribute_length = tmpatr.attribute_length;
00376
00377 classfile_attribute_enum atrenum =
00378 cfattrib_atr2enum(pcfs, (*dst)->ai.attribute_name_index);
00379
00380 if (LOCAL_CODE_ATTRIBUTE == atrenum)
00381 {
00382
00383
00384
00385
00386
00387
00388
00389
00390
00391
00392
00393 PTR_DST_AI(dst)->max_stack =
00394 GETRS2(&((Code_attribute *) src)->max_stack);
00395
00396 PTR_DST_AI(dst)->max_locals =
00397 GETRS2(&((Code_attribute *) src)->max_locals);
00398
00399 PTR_DST_AI(dst)->code_length =
00400 GETRI4(&((Code_attribute *) src)->code_length);
00401
00402 MACHINE_JSHORT_SWAP(*PTR_DST_AI(dst)->max_stack);
00403 MACHINE_JSHORT_SWAP(*PTR_DST_AI(dst)->max_locals);
00404 MACHINE_JINT_SWAP(*PTR_DST_AI(dst)->code_length);
00405
00406 if (0 == PTR_DST_AI(dst)->code_length)
00407 {
00408
00409
00410
00411
00412 PTR_DST_AI(dst)->code = (u1 *) rnull;
00413 }
00414 else
00415 {
00416 PTR_DST_AI(dst)->code =
00417 HEAP_GET_METHOD(PTR_DST_AI(dst)->code_length *
00418 sizeof(u1),
00419 rfalse);
00420
00421
00422 memcpy( PTR_DST_AI(dst)->code,
00423
00424 &((Code_attribute *) src)->code,
00425 (PTR_DST_AI(dst)->code_length) * sizeof(u1));
00426
00427 }
00428
00429
00430
00431
00432
00433
00434 jbyte *pabytes =(jbyte *) &((Code_attribute *) src)->code;
00435 pabytes += PTR_DST_AI(dst)->code_length * sizeof(u1);
00436
00437 u2 *pu2;
00438 MAKE_PU2(pu2, pabytes);
00439
00440 PTR_DST_AI(dst)->exception_table_length=GETRS2(pu2++);
00441
00442 pabytes = (u1 *) pu2;
00443
00444 if (0 == PTR_DST_AI(dst)->exception_table_length)
00445 {
00446
00447 PTR_DST_AI(dst)->exception_table = (rvoid *) rnull;
00448 }
00449 else
00450 {
00451 PTR_DST_AI(dst)->exception_table =
00452 HEAP_GET_METHOD(PTR_DST_AI(dst)->exception_table_length *
00453 sizeof(exception_table_entry),
00454 rfalse);
00455
00456 memcpy(&PTR_DST_AI(dst)->exception_table,
00457 pabytes,
00458 (PTR_DST_AI(dst)->exception_table_length) *
00459 sizeof(exception_table_entry));
00460
00461 pabytes += (PTR_DST_AI(dst)->exception_table_length) *
00462 sizeof(exception_table_entry);
00463 }
00464
00465 MAKE_PU2(pu2, pabytes);
00466
00467 PTR_DST_AI(dst)->attributes_count = GETRS2(pu2++);
00468
00469 pabytes = (jbyte *) pu2;
00470
00471 if (0 == PTR_DST_AI(dst)->attributes_count)
00472 {
00473 PTR_DST_AI(dst)->attributes =
00474 (attribute_info_dup **) rnull;
00475 }
00476 else
00477 {
00478 PTR_DST_AI(dst)->attributes =
00479 HEAP_GET_METHOD(PTR_DST_AI(dst)->attributes_count *
00480 sizeof(attribute_info_dup *),
00481 rtrue);
00482
00483
00484
00485
00486
00487
00488
00489
00490
00491
00492 jvm_attribute_index atridx;
00493
00494 for (atridx = 0;
00495 atridx < PTR_DST_AI(dst)->attributes_count;
00496 atridx++)
00497 {
00498
00499
00500
00501
00502
00503
00504 pabytes =
00505 cfattrib_loadattribute(
00506 pcfs,
00507 (attribute_info_dup **)
00508 &(PTR_DST_AI(dst)->attributes)[atridx],
00509 (attribute_info *) pabytes);
00510
00511 LOAD_SYSCALL_FAILURE_ATTRIB((rnull == pabytes),
00512 "load field attribute",
00513 *dst,
00514 PTR_DST_AI(dst)->attributes);
00515
00516 }
00517 }
00518
00519 }
00520 else
00521 {
00522
00523
00524
00525
00526
00527
00528
00529 if (0 != tmpatr.attribute_length)
00530 {
00531 memcpy(&(*dst)->ai.info,
00532 &src->info,
00533 tmpatr.attribute_length);
00534 }
00535
00536 }
00537
00538
00539
00540 rboolean dummy = rtrue;
00541
00542 switch(atrenum)
00543 {
00544 case LOCAL_CONSTANTVALUE_ATTRIBUTE:
00545
00546
00547 dummy = rfalse;
00548
00549 break;
00550
00551 case LOCAL_CODE_ATTRIBUTE:
00552
00553
00554 dummy = rfalse;
00555
00556 break;
00557
00558 case LOCAL_EXCEPTIONS_ATTRIBUTE:
00559
00560
00561 dummy = rfalse;
00562
00563 break;
00564
00565 case LOCAL_INNERCLASSES_ATTRIBUTE:
00566
00567
00568 dummy = rfalse;
00569
00570 break;
00571
00572 case LOCAL_ENCLOSINGMETHOD_ATTRIBUTE:
00573
00574
00575 dummy = rfalse;
00576
00577 break;
00578
00579 case LOCAL_SIGNATURE_ATTRIBUTE:
00580
00581
00582 dummy = rfalse;
00583
00584 break;
00585
00586 case LOCAL_SYNTHETIC_ATTRIBUTE:
00587
00588
00589 dummy = rfalse;
00590
00591 break;
00592
00593 case LOCAL_SOURCEFILE_ATTRIBUTE:
00594
00595
00596 dummy = rfalse;
00597
00598 break;
00599
00600 case LOCAL_LINENUMBERTABLE_ATTRIBUTE:
00601
00602
00603 dummy = rfalse;
00604
00605 break;
00606
00607 case LOCAL_LOCALVARIABLETABLE_ATTRIBUTE:
00608
00609
00610 dummy = rfalse;
00611
00612 break;
00613
00614 case LOCAL_LOCALVARIABLETYPETABLE_ATTRIBUTE:
00615
00616
00617
00618 dummy = rfalse;
00619
00620 break;
00621
00622 case LOCAL_DEPRECATED_ATTRIBUTE:
00623
00624
00625 dummy = rfalse;
00626
00627 break;
00628
00629 case LOCAL_RUNTIMEVISIBLEANNOTATIONS_ATTRIBUTE:
00630
00631
00632
00633 dummy = rfalse;
00634
00635 break;
00636
00637 case LOCAL_RUNTIMEINVISIBLEANNOTATIONS_ATTRIBUTE:
00638
00639
00640
00641 dummy = rfalse;
00642
00643 break;
00644
00645 case LOCAL_RUNTIMEVISIBLEPARAMETERANNOTATIONS_ATTRIBUTE:
00646
00647
00648
00649 dummy = rfalse;
00650
00651 break;
00652
00653 case LOCAL_RUNTIMEINVISIBLEPARAMETERANNOTATIONS_ATTRIBUTE:
00654
00655
00656
00657 dummy = rfalse;
00658
00659 break;
00660
00661 case LOCAL_ANNOTATIONDEFAULT_ATTRIBUTE:
00662
00663
00664
00665 dummy = rfalse;
00666
00667 break;
00668
00669 case LOCAL_UNKNOWN_ATTRIBUTE:
00670 default:
00671
00672
00673
00674
00675
00676
00677
00678 dummy = rfalse;
00679
00680 }
00681
00682 return(pnext_src);
00683
00684 }
00685
00686
00687
00688
00689
00690
00691
00692
00693
00694
00695
00696
00697
00698
00699
00700
00701
00702 rvoid cfattrib_unloadattribute(ClassFile *pcfs,
00703 attribute_info_dup *dst)
00704 {
00705
00706 if ((rnull == pcfs) || (rnull == dst))
00707 {
00708 return;
00709 }
00710
00711
00712
00713
00714
00715
00716
00717
00718
00719
00720
00721
00722
00723
00724
00725
00726 if (rtrue == cfattrib_iscodeattribute(pcfs,
00727 DST_AI(dst)->attribute_name_index))
00728
00729 {
00730
00731
00732
00733
00734
00735
00736
00737
00738 if (0 == DST_AI(dst)->attributes_count)
00739 {
00740
00741
00742
00743
00744 ;
00745 }
00746 else
00747 {
00748
00749
00750
00751
00752
00753
00754
00755 jvm_attribute_index atridx;
00756
00757 for (atridx = 0;
00758 atridx < DST_AI(dst)->attributes_count;
00759 atridx++)
00760 {
00761
00762
00763
00764
00765 cfattrib_unloadattribute(pcfs,
00766 DST_AI(dst)->attributes[atridx]);
00767
00768 }
00769
00770 HEAP_FREE_METHOD(DST_AI(dst)->attributes);
00771 }
00772
00773 if (0 == DST_AI(dst)->exception_table_length)
00774 {
00775
00776
00777
00778
00779 ;
00780 }
00781 else
00782 {
00783 HEAP_FREE_METHOD(DST_AI(dst)->exception_table);
00784 }
00785
00786 if (0 == DST_AI(dst)->code_length)
00787 {
00788
00789
00790
00791
00792
00793
00794 ;
00795 }
00796 else
00797 {
00798 HEAP_FREE_METHOD(DST_AI(dst)->code);
00799 }
00800
00801
00802
00803 HEAP_FREE_METHOD(dst);
00804
00805 }
00806 else
00807 {
00808
00809
00810
00811
00812
00813
00814
00815 HEAP_FREE_METHOD(dst);
00816
00817 }
00818
00819
00820 return;
00821
00822 }
00823
00824
00825
00826