1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
|
# This shell script emits a C file. -*- C -*-
# It does some substitutions.
if [ -z "$MACHINE" ]; then
OUTPUT_ARCH=${ARCH}
else
OUTPUT_ARCH=${ARCH}:${MACHINE}
fi
case ${target} in
*-*-cygwin*)
move_default_addr_high=1
;;
*)
move_default_addr_high=0;
;;
esac
rm -f e${EMULATION_NAME}.c
(echo;echo;echo;echo;echo)>e${EMULATION_NAME}.c # there, now line numbers match ;-)
fragment <<EOF
/* Copyright (C) 2006-2020 Free Software Foundation, Inc.
Written by Kai Tietz, OneVision Software GmbH&CoKg.
This file is part of the GNU Binutils.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
/* For WINDOWS_XP64 and higher */
/* Based on pe.em, but modified for 64 bit support. */
#define TARGET_IS_${EMULATION_NAME}
#define COFF_IMAGE_WITH_PE
#define COFF_WITH_PE
#define COFF_WITH_pex64
#include "sysdep.h"
#include "bfd.h"
#include "bfdlink.h"
#include "ctf-api.h"
#include "getopt.h"
#include "libiberty.h"
#include "filenames.h"
#include "ld.h"
#include "ldmain.h"
#include "ldexp.h"
#include "ldlang.h"
#include "ldfile.h"
#include "ldemul.h"
#include <ldgram.h>
#include "ldlex.h"
#include "ldmisc.h"
#include "ldctor.h"
#include "ldbuildid.h"
#include "coff/internal.h"
/* FIXME: See bfd/peXXigen.c for why we include an architecture specific
header in generic PE code. */
#include "coff/x86_64.h"
#include "coff/pe.h"
/* FIXME: These are BFD internal header files, and we should not be
using it here. */
#include "../bfd/libcoff.h"
#include "../bfd/libpei.h"
#undef AOUTSZ
#define AOUTSZ PEPAOUTSZ
#define PEAOUTHDR PEPAOUTHDR
#include "deffile.h"
#include "pep-dll.h"
#include "safe-ctype.h"
/* Permit the emulation parameters to override the default section
alignment by setting OVERRIDE_SECTION_ALIGNMENT. FIXME: This makes
it seem that include/coff/internal.h should not define
PE_DEF_SECTION_ALIGNMENT. */
#if PE_DEF_SECTION_ALIGNMENT != ${OVERRIDE_SECTION_ALIGNMENT:-PE_DEF_SECTION_ALIGNMENT}
#undef PE_DEF_SECTION_ALIGNMENT
#define PE_DEF_SECTION_ALIGNMENT ${OVERRIDE_SECTION_ALIGNMENT}
#endif
#ifdef TARGET_IS_i386pep
#define DLL_SUPPORT
#endif
#if defined(TARGET_IS_i386pep) || ! defined(DLL_SUPPORT)
#define PE_DEF_SUBSYSTEM 3
#undef NT_EXE_IMAGE_BASE
#define NT_EXE_IMAGE_BASE \
((bfd_vma) (${move_default_addr_high} ? 0x100400000LL \
: 0x400000LL))
#undef NT_DLL_IMAGE_BASE
#define NT_DLL_IMAGE_BASE \
((bfd_vma) (${move_default_addr_high} ? 0x400000000LL \
: 0x10000000LL))
#undef NT_DLL_AUTO_IMAGE_BASE
#define NT_DLL_AUTO_IMAGE_BASE \
((bfd_vma) (${move_default_addr_high} ? 0x400000000LL \
: 0x61300000LL))
#undef NT_DLL_AUTO_IMAGE_MASK
#define NT_DLL_AUTO_IMAGE_MASK \
((bfd_vma) (${move_default_addr_high} ? 0x1ffff0000LL \
: 0x0ffc0000LL))
#else
#undef NT_EXE_IMAGE_BASE
#define NT_EXE_IMAGE_BASE \
((bfd_vma) (${move_default_addr_high} ? 0x100010000LL \
: 0x10000LL))
#undef NT_DLL_IMAGE_BASE
#define NT_DLL_IMAGE_BASE \
((bfd_vma) (${move_default_addr_high} ? 0x110000000LL \
: 0x10000000LL))
#undef NT_DLL_AUTO_IMAGE_BASE
#define NT_DLL_AUTO_IMAGE_BASE \
((bfd_vma) (${move_default_addr_high} ? 0x120000000LL \
: 0x61300000LL))
#undef NT_DLL_AUTO_IMAGE_MASK
#define NT_DLL_AUTO_IMAGE_MASK \
((bfd_vma) (${move_default_addr_high} ? 0x0ffff0000LL \
: 0x0ffc0000LL))
#undef PE_DEF_SECTION_ALIGNMENT
#define PE_DEF_SUBSYSTEM 2
#undef PE_DEF_FILE_ALIGNMENT
#define PE_DEF_FILE_ALIGNMENT 0x00000200
#define PE_DEF_SECTION_ALIGNMENT 0x00000400
#endif
static struct internal_extra_pe_aouthdr pep;
static int dll;
static int pep_subsystem = ${SUBSYSTEM};
static flagword real_flags = IMAGE_FILE_LARGE_ADDRESS_AWARE;
static int support_old_code = 0;
static lang_assignment_statement_type *image_base_statement = 0;
static unsigned short pe_dll_characteristics = 0;
static bfd_boolean insert_timestamp = TRUE;
static const char *emit_build_id;
#ifdef DLL_SUPPORT
static int pep_enable_stdcall_fixup = 1; /* 0=disable 1=enable (default). */
static char * pep_out_def_filename = NULL;
static int pep_enable_auto_image_base = 0;
static char * pep_dll_search_prefix = NULL;
#endif
extern const char *output_filename;
static int is_underscoring (void)
{
int u = 0;
if (pep_leading_underscore != -1)
return pep_leading_underscore;
if (!bfd_get_target_info ("${OUTPUT_FORMAT}", NULL, NULL, &u, NULL))
bfd_get_target_info ("${RELOCATEABLE_OUTPUT_FORMAT}", NULL, NULL, &u, NULL);
if (u == -1)
abort ();
pep_leading_underscore = (u != 0 ? 1 : 0);
return pep_leading_underscore;
}
static void
gld_${EMULATION_NAME}_before_parse (void)
{
is_underscoring ();
ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
output_filename = "${EXECUTABLE_NAME:-a.exe}";
#ifdef DLL_SUPPORT
input_flags.dynamic = TRUE;
config.has_shared = 1;
link_info.pei386_auto_import = 1;
link_info.pei386_runtime_pseudo_reloc = 2; /* Use by default version 2. */
#endif
}
/* PE format extra command line options. */
/* Used for setting flags in the PE header. */
enum options
{
OPTION_BASE_FILE = 300 + 1,
OPTION_DLL,
OPTION_FILE_ALIGNMENT,
OPTION_IMAGE_BASE,
OPTION_MAJOR_IMAGE_VERSION,
OPTION_MAJOR_OS_VERSION,
OPTION_MAJOR_SUBSYSTEM_VERSION,
OPTION_MINOR_IMAGE_VERSION,
OPTION_MINOR_OS_VERSION,
OPTION_MINOR_SUBSYSTEM_VERSION,
OPTION_SECTION_ALIGNMENT,
OPTION_STACK,
OPTION_SUBSYSTEM,
OPTION_HEAP,
OPTION_SUPPORT_OLD_CODE,
OPTION_OUT_DEF,
OPTION_EXPORT_ALL,
OPTION_EXCLUDE_SYMBOLS,
OPTION_EXCLUDE_ALL_SYMBOLS,
OPTION_KILL_ATS,
OPTION_STDCALL_ALIASES,
OPTION_ENABLE_STDCALL_FIXUP,
OPTION_DISABLE_STDCALL_FIXUP,
OPTION_WARN_DUPLICATE_EXPORTS,
OPTION_IMP_COMPAT,
OPTION_ENABLE_AUTO_IMAGE_BASE,
OPTION_DISABLE_AUTO_IMAGE_BASE,
OPTION_DLL_SEARCH_PREFIX,
OPTION_NO_DEFAULT_EXCLUDES,
OPTION_DLL_ENABLE_AUTO_IMPORT,
OPTION_DLL_DISABLE_AUTO_IMPORT,
OPTION_ENABLE_EXTRA_PE_DEBUG,
OPTION_EXCLUDE_LIBS,
OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC,
OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC,
OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2,
OPTION_EXCLUDE_MODULES_FOR_IMPLIB,
OPTION_USE_NUL_PREFIXED_IMPORT_TABLES,
OPTION_NO_LEADING_UNDERSCORE,
OPTION_LEADING_UNDERSCORE,
OPTION_ENABLE_LONG_SECTION_NAMES,
OPTION_DISABLE_LONG_SECTION_NAMES,
OPTION_HIGH_ENTROPY_VA,
OPTION_DYNAMIC_BASE,
OPTION_FORCE_INTEGRITY,
OPTION_NX_COMPAT,
OPTION_NO_ISOLATION,
OPTION_NO_SEH,
OPTION_NO_BIND,
OPTION_WDM_DRIVER,
OPTION_INSERT_TIMESTAMP,
OPTION_NO_INSERT_TIMESTAMP,
OPTION_TERMINAL_SERVER_AWARE,
OPTION_BUILD_ID
};
static void
gld${EMULATION_NAME}_add_options
(int ns ATTRIBUTE_UNUSED,
char **shortopts ATTRIBUTE_UNUSED,
int nl,
struct option **longopts,
int nrl ATTRIBUTE_UNUSED,
struct option **really_longopts ATTRIBUTE_UNUSED)
{
static const struct option xtra_long[] =
{
/* PE options */
{"base-file", required_argument, NULL, OPTION_BASE_FILE},
{"dll", no_argument, NULL, OPTION_DLL},
{"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT},
{"heap", required_argument, NULL, OPTION_HEAP},
{"image-base", required_argument, NULL, OPTION_IMAGE_BASE},
{"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION},
{"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION},
{"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION},
{"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION},
{"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION},
{"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION},
{"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT},
{"stack", required_argument, NULL, OPTION_STACK},
{"subsystem", required_argument, NULL, OPTION_SUBSYSTEM},
{"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE},
{"use-nul-prefixed-import-tables", no_argument, NULL,
OPTION_USE_NUL_PREFIXED_IMPORT_TABLES},
{"no-leading-underscore", no_argument, NULL, OPTION_NO_LEADING_UNDERSCORE},
{"leading-underscore", no_argument, NULL, OPTION_LEADING_UNDERSCORE},
#ifdef DLL_SUPPORT
/* getopt allows abbreviations, so we do this to stop it
from treating -o as an abbreviation for this option. */
{"output-def", required_argument, NULL, OPTION_OUT_DEF},
{"output-def", required_argument, NULL, OPTION_OUT_DEF},
{"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL},
{"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS},
{"exclude-all-symbols", no_argument, NULL, OPTION_EXCLUDE_ALL_SYMBOLS},
{"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS},
{"exclude-modules-for-implib", required_argument, NULL, OPTION_EXCLUDE_MODULES_FOR_IMPLIB},
{"kill-at", no_argument, NULL, OPTION_KILL_ATS},
{"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES},
{"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP},
{"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP},
{"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS},
/* getopt() allows abbreviations, so we do this to stop it from
treating -c as an abbreviation for these --compat-implib. */
{"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
{"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
{"enable-auto-image-base", no_argument, NULL, OPTION_ENABLE_AUTO_IMAGE_BASE},
{"disable-auto-image-base", no_argument, NULL, OPTION_DISABLE_AUTO_IMAGE_BASE},
{"dll-search-prefix", required_argument, NULL, OPTION_DLL_SEARCH_PREFIX},
{"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES},
{"enable-auto-import", no_argument, NULL, OPTION_DLL_ENABLE_AUTO_IMPORT},
{"disable-auto-import", no_argument, NULL, OPTION_DLL_DISABLE_AUTO_IMPORT},
{"enable-extra-pep-debug", no_argument, NULL, OPTION_ENABLE_EXTRA_PE_DEBUG},
{"enable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC},
{"disable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC},
{"enable-runtime-pseudo-reloc-v2", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2},
#endif
{"enable-long-section-names", no_argument, NULL, OPTION_ENABLE_LONG_SECTION_NAMES},
{"disable-long-section-names", no_argument, NULL, OPTION_DISABLE_LONG_SECTION_NAMES},
{"high-entropy-va", no_argument, NULL, OPTION_HIGH_ENTROPY_VA},
{"dynamicbase",no_argument, NULL, OPTION_DYNAMIC_BASE},
{"forceinteg", no_argument, NULL, OPTION_FORCE_INTEGRITY},
{"nxcompat", no_argument, NULL, OPTION_NX_COMPAT},
{"no-isolation", no_argument, NULL, OPTION_NO_ISOLATION},
{"no-seh", no_argument, NULL, OPTION_NO_SEH},
{"no-bind", no_argument, NULL, OPTION_NO_BIND},
{"wdmdriver", no_argument, NULL, OPTION_WDM_DRIVER},
{"tsaware", no_argument, NULL, OPTION_TERMINAL_SERVER_AWARE},
{"insert-timestamp", no_argument, NULL, OPTION_INSERT_TIMESTAMP},
{"no-insert-timestamp", no_argument, NULL, OPTION_NO_INSERT_TIMESTAMP},
{"build-id", optional_argument, NULL, OPTION_BUILD_ID},
{NULL, no_argument, NULL, 0}
};
*longopts
= xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
}
/* PE/WIN32; added routines to get the subsystem type, heap and/or stack
parameters which may be input from the command line. */
typedef struct
{
void *ptr;
int size;
bfd_vma value;
char *symbol;
int inited;
/* FALSE for an assembly level symbol and TRUE for a C visible symbol.
C visible symbols can be prefixed by underscore dependent on target's
settings. */
bfd_boolean is_c_symbol;
} definfo;
#define GET_INIT_SYMBOL_NAME(IDX) \
(init[(IDX)].symbol \
+ ((!init[(IDX)].is_c_symbol || is_underscoring () == 1) ? 0 : 1))
/* Decorates the C visible symbol by underscore, if target requires. */
#define U(CSTR) \
((is_underscoring () == 0) ? CSTR : "_" CSTR)
#define D(field,symbol,def,usc) {&pep.field, sizeof (pep.field), def, symbol, 0, usc}
static definfo init[] =
{
/* imagebase must be first */
#define IMAGEBASEOFF 0
D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE, FALSE),
#define DLLOFF 1
{&dll, sizeof(dll), 0, "__dll__", 0, FALSE},
#define MSIMAGEBASEOFF 2
D(ImageBase, "___ImageBase", NT_EXE_IMAGE_BASE, TRUE),
D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT, FALSE),
D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT, FALSE),
D(MajorOperatingSystemVersion,"__major_os_version__", 4, FALSE),
D(MinorOperatingSystemVersion,"__minor_os_version__", 0, FALSE),
D(MajorImageVersion,"__major_image_version__", 0, FALSE),
D(MinorImageVersion,"__minor_image_version__", 0, FALSE),
D(MajorSubsystemVersion,"__major_subsystem_version__", 5, FALSE),
D(MinorSubsystemVersion,"__minor_subsystem_version__", 2, FALSE),
D(Subsystem,"__subsystem__", ${SUBSYSTEM}, FALSE),
D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000, FALSE),
D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000, FALSE),
D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000, FALSE),
D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000, FALSE),
D(LoaderFlags,"__loader_flags__", 0x0, FALSE),
D(DllCharacteristics, "__dll_characteristics__", 0x0, FALSE),
{ NULL, 0, 0, NULL, 0, FALSE}
};
static void
gld_${EMULATION_NAME}_list_options (FILE *file)
{
fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n"));
fprintf (file, _(" --dll Set image base to the default for DLLs\n"));
fprintf (file, _(" --file-alignment <size> Set file alignment\n"));
fprintf (file, _(" --heap <size> Set initial size of the heap\n"));
fprintf (file, _(" --image-base <address> Set start address of the executable\n"));
fprintf (file, _(" --major-image-version <number> Set version number of the executable\n"));
fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n"));
fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n"));
fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n"));
fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n"));
fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n"));
fprintf (file, _(" --section-alignment <size> Set section alignment\n"));
fprintf (file, _(" --stack <size> Set size of the initial stack\n"));
fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n"));
fprintf (file, _(" --support-old-code Support interworking with old code\n"));
fprintf (file, _(" --[no-]leading-underscore Set explicit symbol underscore prefix mode\n"));
fprintf (file, _(" --[no-]insert-timestamp Use a real timestamp rather than zero (default)\n"));
fprintf (file, _(" This makes binaries non-deterministic\n"));
#ifdef DLL_SUPPORT
fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n"));
fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n"));
fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n"));
fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n"));
fprintf (file, _(" --exclude-all-symbols Exclude all symbols from automatic export\n"));
fprintf (file, _(" --exclude-libs lib,lib,... Exclude libraries from automatic export\n"));
fprintf (file, _(" --exclude-modules-for-implib mod,mod,...\n"));
fprintf (file, _(" Exclude objects, archive members from auto\n"));
fprintf (file, _(" export, place into import library instead\n"));
fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n"));
fprintf (file, _(" --kill-at Remove @nn from exported symbols\n"));
fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n"));
fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports\n"));
fprintf (file, _(" --compat-implib Create backward compatible import libs;\n\
create __imp_<SYMBOL> as well\n"));
fprintf (file, _(" --enable-auto-image-base Automatically choose image base for DLLs\n\
unless user specifies one\n"));
fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base (default)\n"));
fprintf (file, _(" --dll-search-prefix=<string> When linking dynamically to a dll without\n\
an importlib, use <string><basename>.dll\n\
in preference to lib<basename>.dll \n"));
fprintf (file, _(" --enable-auto-import Do sophisticated linking of _sym to\n\
__imp_sym for DATA references\n"));
fprintf (file, _(" --disable-auto-import Do not auto-import DATA items from DLLs\n"));
fprintf (file, _(" --enable-runtime-pseudo-reloc Work around auto-import limitations by\n\
adding pseudo-relocations resolved at\n\
runtime\n"));
fprintf (file, _(" --disable-runtime-pseudo-reloc Do not add runtime pseudo-relocations for\n\
auto-imported DATA\n"));
fprintf (file, _(" --enable-extra-pep-debug Enable verbose debug output when building\n\
or linking to DLLs (esp. auto-import)\n"));
fprintf (file, _(" --enable-long-section-names Use long COFF section names even in\n\
executable image files\n"));
fprintf (file, _(" --disable-long-section-names Never use long COFF section names, even\n\
in object files\n"));
fprintf (file, _(" --high-entropy-va Image is compatible with 64-bit address space\n\
layout randomization (ASLR)\n"));
fprintf (file, _(" --dynamicbase Image base address may be relocated using\n\
address space layout randomization (ASLR)\n"));
fprintf (file, _(" --forceinteg Code integrity checks are enforced\n"));
fprintf (file, _(" --nxcompat Image is compatible with data execution prevention\n"));
fprintf (file, _(" --no-isolation Image understands isolation but do not isolate the image\n"));
fprintf (file, _(" --no-seh Image does not use SEH; no SE handler may\n\
be called in this image\n"));
fprintf (file, _(" --no-bind Do not bind this image\n"));
fprintf (file, _(" --wdmdriver Driver uses the WDM model\n"));
fprintf (file, _(" --tsaware Image is Terminal Server aware\n"));
fprintf (file, _(" --build-id[=STYLE] Generate build ID\n"));
#endif
}
static void
set_pep_name (char *name, bfd_vma val)
{
int i;
is_underscoring ();
/* Find the name and set it. */
for (i = 0; init[i].ptr; i++)
{
if (strcmp (name, GET_INIT_SYMBOL_NAME (i)) == 0)
{
init[i].value = val;
init[i].inited = 1;
if (strcmp (name,"__image_base__") == 0)
set_pep_name (U ("__ImageBase"), val);
return;
}
}
abort ();
}
static void
set_entry_point (void)
{
const char *entry;
const char *initial_symbol_char;
int i;
static const struct
{
const int value;
const char *entry;
}
v[] =
{
{ 1, "NtProcessStartup" },
{ 2, "WinMainCRTStartup" },
{ 3, "mainCRTStartup" },
{ 7, "__PosixProcessStartup" },
{ 9, "WinMainCRTStartup" },
{14, "mainCRTStartup" },
{ 0, NULL }
};
/* Entry point name for arbitrary subsystem numbers. */
static const char default_entry[] = "mainCRTStartup";
if (bfd_link_pic (&link_info) || dll)
{
entry = "DllMainCRTStartup";
}
else
{
for (i = 0; v[i].entry; i++)
if (v[i].value == pep_subsystem)
break;
/* If no match, use the default. */
if (v[i].entry != NULL)
entry = v[i].entry;
else
entry = default_entry;
}
/* Now we check target's default for getting proper symbol_char. */
initial_symbol_char = (is_underscoring () != 0 ? "_" : "");
if (*initial_symbol_char != '\0')
{
char *alc_entry;
/* lang_default_entry expects its argument to be permanently
allocated, so we don't free this string. */
alc_entry = xmalloc (strlen (initial_symbol_char)
+ strlen (entry)
+ 1);
strcpy (alc_entry, initial_symbol_char);
strcat (alc_entry, entry);
entry = alc_entry;
}
lang_default_entry (entry);
}
static void
set_pep_subsystem (void)
{
const char *sver;
char *end;
int len;
int i;
unsigned long temp_subsystem;
static const struct
{
const char *name;
const int value;
}
v[] =
{
{ "native", 1 },
{ "windows", 2 },
{ "console", 3 },
{ "posix", 7 },
{ "wince", 9 },
{ "xbox", 14 },
{ NULL, 0 }
};
/* Check for the presence of a version number. */
sver = strchr (optarg, ':');
if (sver == NULL)
len = strlen (optarg);
else
{
len = sver - optarg;
set_pep_name ("__major_subsystem_version__",
strtoul (sver + 1, &end, 0));
if (*end == '.')
set_pep_name ("__minor_subsystem_version__",
strtoul (end + 1, &end, 0));
if (*end != '\0')
einfo (_("%P: warning: bad version number in -subsystem option\n"));
}
/* Check for numeric subsystem. */
temp_subsystem = strtoul (optarg, & end, 0);
if ((*end == ':' || *end == '\0') && (temp_subsystem < 65536))
{
/* Search list for a numeric match to use its entry point. */
for (i = 0; v[i].name; i++)
if (v[i].value == (int) temp_subsystem)
break;
/* Use this subsystem. */
pep_subsystem = (int) temp_subsystem;
}
else
{
/* Search for subsystem by name. */
for (i = 0; v[i].name; i++)
if (strncmp (optarg, v[i].name, len) == 0
&& v[i].name[len] == '\0')
break;
if (v[i].name == NULL)
{
einfo (_("%F%P: invalid subsystem type %s\n"), optarg);
return;
}
pep_subsystem = v[i].value;
}
set_pep_name ("__subsystem__", pep_subsystem);
return;
}
static void
set_pep_value (char *name)
{
char *end;
set_pep_name (name, (bfd_vma) strtoull (optarg, &end, 0));
if (end == optarg)
einfo (_("%F%P: invalid hex number for PE parameter '%s'\n"), optarg);
optarg = end;
}
static void
set_pep_stack_heap (char *resname, char *comname)
{
set_pep_value (resname);
if (*optarg == ',')
{
optarg++;
set_pep_value (comname);
}
else if (*optarg)
einfo (_("%F%P: strange hex info for PE parameter '%s'\n"), optarg);
}
#define DEFAULT_BUILD_ID_STYLE "md5"
static bfd_boolean
gld${EMULATION_NAME}_handle_option (int optc)
{
is_underscoring ();
switch (optc)
{
default:
return FALSE;
case OPTION_BASE_FILE:
link_info.base_file = fopen (optarg, FOPEN_WB);
if (link_info.base_file == NULL)
einfo (_("%F%P: cannot open base file %s\n"), optarg);
break;
/* PE options. */
case OPTION_HEAP:
set_pep_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__");
break;
case OPTION_STACK:
set_pep_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__");
break;
case OPTION_SUBSYSTEM:
set_pep_subsystem ();
break;
case OPTION_MAJOR_OS_VERSION:
set_pep_value ("__major_os_version__");
break;
case OPTION_MINOR_OS_VERSION:
set_pep_value ("__minor_os_version__");
break;
case OPTION_MAJOR_SUBSYSTEM_VERSION:
set_pep_value ("__major_subsystem_version__");
break;
case OPTION_MINOR_SUBSYSTEM_VERSION:
set_pep_value ("__minor_subsystem_version__");
break;
case OPTION_MAJOR_IMAGE_VERSION:
set_pep_value ("__major_image_version__");
break;
case OPTION_MINOR_IMAGE_VERSION:
set_pep_value ("__minor_image_version__");
break;
case OPTION_FILE_ALIGNMENT:
set_pep_value ("__file_alignment__");
break;
case OPTION_SECTION_ALIGNMENT:
set_pep_value ("__section_alignment__");
break;
case OPTION_DLL:
set_pep_name ("__dll__", 1);
break;
case OPTION_IMAGE_BASE:
set_pep_value ("__image_base__");
break;
case OPTION_SUPPORT_OLD_CODE:
support_old_code = 1;
break;
case OPTION_USE_NUL_PREFIXED_IMPORT_TABLES:
pep_use_nul_prefixed_import_tables = TRUE;
break;
case OPTION_NO_LEADING_UNDERSCORE:
pep_leading_underscore = 0;
break;
case OPTION_LEADING_UNDERSCORE:
pep_leading_underscore = 1;
break;
case OPTION_INSERT_TIMESTAMP:
insert_timestamp = TRUE;
break;
case OPTION_NO_INSERT_TIMESTAMP:
insert_timestamp = FALSE;
break;
#ifdef DLL_SUPPORT
case OPTION_OUT_DEF:
pep_out_def_filename = xstrdup (optarg);
break;
case OPTION_EXPORT_ALL:
pep_dll_export_everything = 1;
break;
case OPTION_EXCLUDE_SYMBOLS:
pep_dll_add_excludes (optarg, EXCLUDESYMS);
break;
case OPTION_EXCLUDE_ALL_SYMBOLS:
pep_dll_exclude_all_symbols = 1;
break;
case OPTION_EXCLUDE_LIBS:
pep_dll_add_excludes (optarg, EXCLUDELIBS);
break;
case OPTION_EXCLUDE_MODULES_FOR_IMPLIB:
pep_dll_add_excludes (optarg, EXCLUDEFORIMPLIB);
break;
case OPTION_KILL_ATS:
pep_dll_kill_ats = 1;
break;
case OPTION_STDCALL_ALIASES:
pep_dll_stdcall_aliases = 1;
break;
case OPTION_ENABLE_STDCALL_FIXUP:
pep_enable_stdcall_fixup = 1;
break;
case OPTION_DISABLE_STDCALL_FIXUP:
pep_enable_stdcall_fixup = 0;
break;
case OPTION_WARN_DUPLICATE_EXPORTS:
pep_dll_warn_dup_exports = 1;
break;
case OPTION_IMP_COMPAT:
pep_dll_compat_implib = 1;
break;
case OPTION_ENABLE_AUTO_IMAGE_BASE:
pep_enable_auto_image_base = 1;
break;
case OPTION_DISABLE_AUTO_IMAGE_BASE:
pep_enable_auto_image_base = 0;
break;
case OPTION_DLL_SEARCH_PREFIX:
pep_dll_search_prefix = xstrdup (optarg);
break;
case OPTION_NO_DEFAULT_EXCLUDES:
pep_dll_do_default_excludes = 0;
break;
case OPTION_DLL_ENABLE_AUTO_IMPORT:
link_info.pei386_auto_import = 1;
break;
case OPTION_DLL_DISABLE_AUTO_IMPORT:
link_info.pei386_auto_import = 0;
break;
case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC:
link_info.pei386_runtime_pseudo_reloc = 2;
break;
case OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC:
link_info.pei386_runtime_pseudo_reloc = 0;
break;
case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2:
link_info.pei386_runtime_pseudo_reloc = 2;
break;
case OPTION_ENABLE_EXTRA_PE_DEBUG:
pep_dll_extra_pe_debug = 1;
break;
#endif
case OPTION_ENABLE_LONG_SECTION_NAMES:
pep_use_coff_long_section_names = 1;
break;
case OPTION_DISABLE_LONG_SECTION_NAMES:
pep_use_coff_long_section_names = 0;
break;
/* Get DLLCharacteristics bits */
case OPTION_HIGH_ENTROPY_VA:
pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_HIGH_ENTROPY_VA;
break;
case OPTION_DYNAMIC_BASE:
pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE;
break;
case OPTION_FORCE_INTEGRITY:
pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY;
break;
case OPTION_NX_COMPAT:
pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_NX_COMPAT;
break;
case OPTION_NO_ISOLATION:
pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_ISOLATION;
break;
case OPTION_NO_SEH:
pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_SEH;
break;
case OPTION_NO_BIND:
pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_BIND;
break;
case OPTION_WDM_DRIVER:
pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_WDM_DRIVER;
break;
case OPTION_TERMINAL_SERVER_AWARE:
pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE;
break;
case OPTION_BUILD_ID:
if (emit_build_id != NULL)
{
free ((char *) emit_build_id);
emit_build_id = NULL;
}
if (optarg == NULL)
optarg = DEFAULT_BUILD_ID_STYLE;
if (strcmp (optarg, "none"))
emit_build_id = xstrdup (optarg);
break;
}
/* Set DLLCharacteristics bits */
set_pep_name ("__dll_characteristics__", pe_dll_characteristics);
return TRUE;
}
#ifdef DLL_SUPPORT
static unsigned long
strhash (const char *str)
{
const unsigned char *s;
unsigned long hash;
unsigned int c;
unsigned int len;
hash = 0;
len = 0;
s = (const unsigned char *) str;
while ((c = *s++) != '\0')
{
hash += c + (c << 17);
hash ^= hash >> 2;
++len;
}
hash += len + (len << 17);
hash ^= hash >> 2;
return hash;
}
/* Use the output file to create a image base for relocatable DLLs. */
static bfd_vma
compute_dll_image_base (const char *ofile)
{
bfd_vma hash = (bfd_vma) strhash (ofile);
return NT_DLL_AUTO_IMAGE_BASE + ((hash << 16) & NT_DLL_AUTO_IMAGE_MASK);
}
#endif
/* Assign values to the special symbols before the linker script is
read. */
static void
gld_${EMULATION_NAME}_set_symbols (void)
{
/* Run through and invent symbols for all the
names and insert the defaults. */
int j;
is_underscoring ();
if (!init[IMAGEBASEOFF].inited)
{
if (bfd_link_relocatable (&link_info))
init[IMAGEBASEOFF].value = 0;
else if (init[DLLOFF].value || bfd_link_dll (&link_info))
{
#ifdef DLL_SUPPORT
init[IMAGEBASEOFF].value = (pep_enable_auto_image_base
? compute_dll_image_base (output_filename)
: NT_DLL_IMAGE_BASE);
#else
init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE;
#endif
}
else
init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE;
init[MSIMAGEBASEOFF].value = init[IMAGEBASEOFF].value;
}
/* Don't do any symbol assignments if this is a relocatable link. */
if (bfd_link_relocatable (&link_info))
return;
/* Glue the assignments into the abs section. */
push_stat_ptr (&abs_output_section->children);
for (j = 0; init[j].ptr; j++)
{
bfd_vma val = init[j].value;
lang_assignment_statement_type *rv;
rv = lang_add_assignment (exp_assign (GET_INIT_SYMBOL_NAME (j),
exp_intop (val), FALSE));
if (init[j].size == sizeof (short))
*(short *) init[j].ptr = (short) val;
else if (init[j].size == sizeof (int))
*(int *) init[j].ptr = (int) val;
else if (init[j].size == sizeof (long))
*(long *) init[j].ptr = (long) val;
/* This might be a long long or other special type. */
else if (init[j].size == sizeof (bfd_vma))
*(bfd_vma *) init[j].ptr = val;
else abort ();
if (j == IMAGEBASEOFF)
image_base_statement = rv;
}
/* Restore the pointer. */
pop_stat_ptr ();
if (pep.FileAlignment > pep.SectionAlignment)
{
einfo (_("%P: warning, file alignment > section alignment\n"));
}
}
/* This is called after the linker script and the command line options
have been read. */
static void
gld_${EMULATION_NAME}_after_parse (void)
{
/* PR ld/6744: Warn the user if they have used an ELF-only
option hoping it will work on PE+. */
if (link_info.export_dynamic)
einfo (_("%P: warning: --export-dynamic is not supported for PE+ "
"targets, did you mean --export-all-symbols?\n"));
set_entry_point ();
after_parse_default ();
}
#ifdef DLL_SUPPORT
static struct bfd_link_hash_entry *pep_undef_found_sym;
static bfd_boolean
pep_undef_cdecl_match (struct bfd_link_hash_entry *h, void *inf)
{
int sl;
char *string = inf;
const char *hs = h->root.string;
sl = strlen (string);
if (h->type == bfd_link_hash_defined
&& ((*hs == '@' && *string == '_'
&& strncmp (hs + 1, string + 1, sl - 1) == 0)
|| strncmp (hs, string, sl) == 0)
&& h->root.string[sl] == '@')
{
pep_undef_found_sym = h;
return FALSE;
}
return TRUE;
}
static void
pep_fixup_stdcalls (void)
{
static int gave_warning_message = 0;
struct bfd_link_hash_entry *undef, *sym;
if (pep_dll_extra_pe_debug)
printf ("%s\n", __FUNCTION__);
for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
if (undef->type == bfd_link_hash_undefined)
{
char* at = strchr (undef->root.string, '@');
int lead_at = (*undef->root.string == '@');
if (lead_at)
at = strchr (undef->root.string + 1, '@');
if (at || lead_at)
{
/* The symbol is a stdcall symbol, so let's look for a
cdecl symbol with the same name and resolve to that. */
char *cname = xstrdup (undef->root.string);
if (lead_at)
*cname = '_';
at = strchr (cname, '@');
if (at)
*at = 0;
sym = bfd_link_hash_lookup (link_info.hash, cname, 0, 0, 1);
if (sym && sym->type == bfd_link_hash_defined)
{
undef->type = bfd_link_hash_defined;
undef->u.def.value = sym->u.def.value;
undef->u.def.section = sym->u.def.section;
if (pep_enable_stdcall_fixup == -1)
{
einfo (_("warning: resolving %s by linking to %s\n"),
undef->root.string, cname);
if (! gave_warning_message)
{
gave_warning_message = 1;
einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
}
}
}
}
else
{
/* The symbol is a cdecl symbol, so we look for stdcall
symbols - which means scanning the whole symbol table. */
pep_undef_found_sym = 0;
bfd_link_hash_traverse (link_info.hash, pep_undef_cdecl_match,
(char *) undef->root.string);
sym = pep_undef_found_sym;
if (sym)
{
undef->type = bfd_link_hash_defined;
undef->u.def.value = sym->u.def.value;
undef->u.def.section = sym->u.def.section;
if (pep_enable_stdcall_fixup == -1)
{
einfo (_("warning: resolving %s by linking to %s\n"),
undef->root.string, sym->root.string);
if (! gave_warning_message)
{
gave_warning_message = 1;
einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
}
}
}
}
}
}
static void
make_import_fixup (arelent *rel, asection *s, char *name, const char *symname)
{
struct bfd_symbol *sym = *rel->sym_ptr_ptr;
char addend[8];
bfd_vma _addend = 0;
int suc = 0;
if (pep_dll_extra_pe_debug)
printf ("arelent: %s@%#lx: add=%li\n", sym->name,
(unsigned long) rel->address, (long) rel->addend);
memset (addend, 0, sizeof (addend));
switch ((rel->howto->bitsize))
{
case 8:
suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 1);
if (suc && rel->howto->pc_relative)
_addend = bfd_get_signed_8 (s->owner, addend);
else if (suc)
_addend = bfd_get_8 (s->owner, addend);
break;
case 16:
suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 2);
if (suc && rel->howto->pc_relative)
_addend = bfd_get_signed_16 (s->owner, addend);
else if (suc)
_addend = bfd_get_16 (s->owner, addend);
break;
case 32:
suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 4);
if (suc && rel->howto->pc_relative)
_addend = bfd_get_signed_32 (s->owner, addend);
else if (suc)
_addend = bfd_get_32 (s->owner, addend);
break;
case 64:
suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 8);
if (suc)
_addend = bfd_get_64 (s->owner, addend);
break;
}
if (! suc)
einfo (_("%P: %C: cannot get section contents - auto-import exception\n"),
s->owner, s, rel->address);
if (pep_dll_extra_pe_debug)
{
printf ("import of 0x%lx(0x%lx) sec_addr=0x%lx",
(long) _addend, (long) rel->addend, (long) rel->address);
if (rel->howto->pc_relative)
printf (" pcrel");
printf (" %d bit rel.\n", (int) rel->howto->bitsize);
}
pep_create_import_fixup (rel, s, _addend, name, symname);
}
static bfd_boolean
pr_sym (struct bfd_hash_entry *h, void *inf ATTRIBUTE_UNUSED)
{
printf ("+%s\n", h->string);
return TRUE;
}
#endif /* DLL_SUPPORT */
static void
debug_section_p (bfd *abfd ATTRIBUTE_UNUSED, asection *sect, void *obj)
{
int *found = (int *) obj;
if (strncmp (".debug_", sect->name, sizeof (".debug_") - 1) == 0)
*found = 1;
}
static bfd_boolean
pecoff_checksum_contents (bfd *abfd,
void (*process) (const void *, size_t, void *),
void *arg)
{
file_ptr filepos = (file_ptr) 0;
while (1)
{
unsigned char b;
int status;
if (bfd_seek (abfd, filepos, SEEK_SET) != 0)
return 0;
status = bfd_bread (&b, (bfd_size_type) 1, abfd);
if (status < 1)
{
break;
}
(*process) (&b, 1, arg);
filepos += 1;
}
return TRUE;
}
static bfd_boolean
write_build_id (bfd *abfd)
{
struct pe_tdata *t = pe_data (abfd);
asection *asec;
struct bfd_link_order *link_order = NULL;
unsigned char *contents;
bfd_size_type size;
bfd_size_type build_id_size;
unsigned char *build_id;
/* Find the section the .buildid output section has been merged info. */
for (asec = abfd->sections; asec != NULL; asec = asec->next)
{
struct bfd_link_order *l = NULL;
for (l = asec->map_head.link_order; l != NULL; l = l->next)
{
if (l->type == bfd_indirect_link_order)
{
if (l->u.indirect.section == t->build_id.sec)
{
link_order = l;
break;
}
}
}
if (link_order)
break;
}
if (!link_order)
{
einfo (_("%P: warning: .buildid section discarded,"
" --build-id ignored\n"));
return TRUE;
}
if (t->build_id.sec->contents == NULL)
t->build_id.sec->contents = (unsigned char *) xmalloc (t->build_id.sec->size);
contents = t->build_id.sec->contents;
size = t->build_id.sec->size;
build_id_size = compute_build_id_size (t->build_id.style);
build_id = xmalloc (build_id_size);
generate_build_id (abfd, t->build_id.style, pecoff_checksum_contents, build_id, build_id_size);
bfd_vma ib = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase;
/* Construct a debug directory entry which points to an immediately following CodeView record. */
struct internal_IMAGE_DEBUG_DIRECTORY idd;
idd.Characteristics = 0;
idd.TimeDateStamp = 0;
idd.MajorVersion = 0;
idd.MinorVersion = 0;
idd.Type = PE_IMAGE_DEBUG_TYPE_CODEVIEW;
idd.SizeOfData = sizeof (CV_INFO_PDB70) + 1;
idd.AddressOfRawData = asec->vma - ib + link_order->offset
+ sizeof (struct external_IMAGE_DEBUG_DIRECTORY);
idd.PointerToRawData = asec->filepos + link_order->offset
+ sizeof (struct external_IMAGE_DEBUG_DIRECTORY);
struct external_IMAGE_DEBUG_DIRECTORY *ext = (struct external_IMAGE_DEBUG_DIRECTORY *)contents;
_bfd_XXi_swap_debugdir_out (abfd, &idd, ext);
/* Write the debug directory enttry */
if (bfd_seek (abfd, asec->filepos + link_order->offset, SEEK_SET) != 0)
return 0;
if (bfd_bwrite (contents, size, abfd) != size)
return 0;
/* Construct the CodeView record. */
CODEVIEW_INFO cvinfo;
cvinfo.CVSignature = CVINFO_PDB70_CVSIGNATURE;
cvinfo.Age = 1;
/* Zero pad or truncate the generated build_id to fit in the CodeView record. */
memset (&(cvinfo.Signature), 0, CV_INFO_SIGNATURE_LENGTH);
memcpy (&(cvinfo.Signature), build_id, (build_id_size > CV_INFO_SIGNATURE_LENGTH)
? CV_INFO_SIGNATURE_LENGTH : build_id_size);
free (build_id);
/* Write the codeview record. */
if (_bfd_XXi_write_codeview_record (abfd, idd.PointerToRawData, &cvinfo) == 0)
return 0;
/* Record the location of the debug directory in the data directory. */
pe_data (link_info.output_bfd)->pe_opthdr.DataDirectory[PE_DEBUG_DATA].VirtualAddress
= asec->vma - ib + link_order->offset;
pe_data (link_info.output_bfd)->pe_opthdr.DataDirectory[PE_DEBUG_DATA].Size
= sizeof (struct external_IMAGE_DEBUG_DIRECTORY);
return TRUE;
}
/* Make .buildid section, and set up coff_tdata->build_id. */
static bfd_boolean
setup_build_id (bfd *ibfd)
{
asection *s;
flagword flags;
if (!validate_build_id_style (emit_build_id))
{
einfo (_("%P: warning: unrecognized --build-id style ignored\n"));
return FALSE;
}
flags = (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_IN_MEMORY
| SEC_LINKER_CREATED | SEC_READONLY | SEC_DATA);
s = bfd_make_section_anyway_with_flags (ibfd, ".buildid", flags);
if (s != NULL)
{
struct pe_tdata *t = pe_data (link_info.output_bfd);
t->build_id.after_write_object_contents = &write_build_id;
t->build_id.style = emit_build_id;
t->build_id.sec = s;
/* Section is a fixed size:
One IMAGE_DEBUG_DIRECTORY entry, of type IMAGE_DEBUG_TYPE_CODEVIEW,
pointing at a CV_INFO_PDB70 record containing the build-id, with a
null byte for PdbFileName. */
s->size = sizeof (struct external_IMAGE_DEBUG_DIRECTORY)
+ sizeof (CV_INFO_PDB70) + 1;
return TRUE;
}
einfo (_("%P: warning: cannot create .buildid section,"
" --build-id ignored\n"));
return FALSE;
}
static void
gld_${EMULATION_NAME}_after_open (void)
{
after_open_default ();
is_underscoring ();
#ifdef DLL_SUPPORT
if (pep_dll_extra_pe_debug)
{
bfd *a;
struct bfd_link_hash_entry *sym;
printf ("%s()\n", __FUNCTION__);
for (sym = link_info.hash->undefs; sym; sym=sym->u.undef.next)
printf ("-%s\n", sym->root.string);
bfd_hash_traverse (&link_info.hash->table, pr_sym, NULL);
for (a = link_info.input_bfds; a; a = a->link.next)
printf ("*%s\n",a->filename);
}
#endif
if (emit_build_id != NULL)
{
bfd *abfd;
/* Find a COFF input. */
for (abfd = link_info.input_bfds;
abfd != (bfd *) NULL; abfd = abfd->link.next)
if (bfd_get_flavour (abfd) == bfd_target_coff_flavour)
break;
/* If there are no COFF input files do not try to
add a build-id section. */
if (abfd == NULL
|| !setup_build_id (abfd))
{
free ((char *) emit_build_id);
emit_build_id = NULL;
}
}
/* Pass the wacky PE command line options into the output bfd.
FIXME: This should be done via a function, rather than by
including an internal BFD header. */
if (bfd_get_flavour (link_info.output_bfd) != bfd_target_coff_flavour
|| coff_data (link_info.output_bfd) == NULL
|| coff_data (link_info.output_bfd)->pe == 0)
einfo (_("%F%P: cannot perform PE operations on non PE output file '%pB'\n"),
link_info.output_bfd);
pe_data (link_info.output_bfd)->pe_opthdr = pep;
pe_data (link_info.output_bfd)->dll = init[DLLOFF].value;
pe_data (link_info.output_bfd)->real_flags |= real_flags;
pe_data (link_info.output_bfd)->insert_timestamp = insert_timestamp;
/* At this point we must decide whether to use long section names
in the output or not. If the user hasn't explicitly specified
on the command line, we leave it to the default for the format
(object files yes, image files no), except if there is debug
information present; GDB relies on the long section names to
find it, so enable it in that case. */
if (pep_use_coff_long_section_names < 0 && link_info.strip == strip_none)
{
if (bfd_link_relocatable (&link_info))
pep_use_coff_long_section_names = 1;
else
{
/* Iterate over all sections of all input BFDs, checking
for any that begin 'debug_' and are long names. */
LANG_FOR_EACH_INPUT_STATEMENT (is)
{
int found_debug = 0;
bfd_map_over_sections (is->the_bfd, debug_section_p, &found_debug);
if (found_debug)
{
pep_use_coff_long_section_names = 1;
break;
}
}
}
}
pep_output_file_set_long_section_names (link_info.output_bfd);
#ifdef DLL_SUPPORT
pep_process_import_defs (link_info.output_bfd, &link_info);
if (link_info.pei386_auto_import) /* -1=warn or 1=enable */
pep_find_data_imports (U ("_head_"), make_import_fixup);
/* The implementation of the feature is rather dumb and would cause the
compilation time to go through the roof if there are many undefined
symbols in the link, so it needs to be run after auto-import. */
if (pep_enable_stdcall_fixup) /* -1=warn or 1=enable */
pep_fixup_stdcalls ();
#ifndef TARGET_IS_i386pep
if (bfd_link_pic (&link_info))
#else
if (!bfd_link_relocatable (&link_info))
#endif
pep_dll_build_sections (link_info.output_bfd, &link_info);
#ifndef TARGET_IS_i386pep
else
pep_exe_build_sections (link_info.output_bfd, &link_info);
#endif
#endif /* DLL_SUPPORT */
{
/* This next chunk of code tries to detect the case where you have
two import libraries for the same DLL (specifically,
symbolically linking libm.a and libc.a in cygwin to
libcygwin.a). In those cases, it's possible for function
thunks from the second implib to be used but without the
head/tail objects, causing an improper import table. We detect
those cases and rename the "other" import libraries to match
the one the head/tail come from, so that the linker will sort
things nicely and produce a valid import table. */
LANG_FOR_EACH_INPUT_STATEMENT (is)
{
if (is->the_bfd->my_archive)
{
int idata2 = 0, reloc_count=0, is_imp = 0;
asection *sec;
/* See if this is an import library thunk. */
for (sec = is->the_bfd->sections; sec; sec = sec->next)
{
if (strcmp (sec->name, ".idata\$2") == 0)
idata2 = 1;
if (CONST_STRNEQ (sec->name, ".idata\$"))
is_imp = 1;
reloc_count += sec->reloc_count;
}
if (is_imp && !idata2 && reloc_count)
{
/* It is, look for the reference to head and see if it's
from our own library. */
for (sec = is->the_bfd->sections; sec; sec = sec->next)
{
int i;
long relsize;
asymbol **symbols;
arelent **relocs;
int nrelocs;
relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec);
if (relsize < 1)
break;
if (!bfd_generic_link_read_symbols (is->the_bfd))
{
einfo (_("%F%P: %pB: could not read symbols: %E\n"),
is->the_bfd);
return;
}
symbols = bfd_get_outsymbols (is->the_bfd);
relocs = xmalloc ((size_t) relsize);
nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec,
relocs, symbols);
if (nrelocs < 0)
{
free (relocs);
einfo (_("%X%P: unable to process relocs: %E\n"));
return;
}
for (i = 0; i < nrelocs; i++)
{
struct bfd_symbol *s;
struct bfd_link_hash_entry * blhe;
const char *other_bfd_filename;
char *n;
s = (relocs[i]->sym_ptr_ptr)[0];
if (s->flags & BSF_LOCAL)
continue;
/* Thunk section with reloc to another bfd. */
blhe = bfd_link_hash_lookup (link_info.hash,
s->name,
FALSE, FALSE, TRUE);
if (blhe == NULL
|| blhe->type != bfd_link_hash_defined)
continue;
other_bfd_filename
= blhe->u.def.section->owner->my_archive
? bfd_get_filename (blhe->u.def.section->owner->my_archive)
: bfd_get_filename (blhe->u.def.section->owner);
if (filename_cmp (bfd_get_filename
(is->the_bfd->my_archive),
other_bfd_filename) == 0)
continue;
/* Rename this implib to match the other one. */
n = xmalloc (strlen (other_bfd_filename) + 1);
strcpy (n, other_bfd_filename);
bfd_set_filename (is->the_bfd->my_archive, n);
}
free (relocs);
/* Note - we do not free the symbols,
they are now cached in the BFD. */
}
}
}
}
}
{
int is_ms_arch = 0;
bfd *cur_arch = 0;
lang_input_statement_type *is2;
lang_input_statement_type *is3;
/* Careful - this is a shell script. Watch those dollar signs! */
/* Microsoft import libraries have every member named the same,
and not in the right order for us to link them correctly. We
must detect these and rename the members so that they'll link
correctly. There are three types of objects: the head, the
thunks, and the sentinel(s). The head is easy; it's the one
with idata2. We assume that the sentinels won't have relocs,
and the thunks will. It's easier than checking the symbol
table for external references. */
LANG_FOR_EACH_INPUT_STATEMENT (is)
{
if (is->the_bfd->my_archive)
{
char *pnt;
bfd *arch = is->the_bfd->my_archive;
if (cur_arch != arch)
{
cur_arch = arch;
is_ms_arch = 1;
for (is3 = is;
is3 && is3->the_bfd->my_archive == arch;
is3 = (lang_input_statement_type *) is3->next)
{
/* A MS dynamic import library can also contain static
members, so look for the first element with a .dll
extension, and use that for the remainder of the
comparisons. */
pnt = strrchr (is3->the_bfd->filename, '.');
if (pnt != NULL && filename_cmp (pnt, ".dll") == 0)
break;
}
if (is3 == NULL)
is_ms_arch = 0;
else
{
/* OK, found one. Now look to see if the remaining
(dynamic import) members use the same name. */
for (is2 = is;
is2 && is2->the_bfd->my_archive == arch;
is2 = (lang_input_statement_type *) is2->next)
{
/* Skip static members, ie anything with a .obj
extension. */
pnt = strrchr (is2->the_bfd->filename, '.');
if (pnt != NULL && filename_cmp (pnt, ".obj") == 0)
continue;
if (filename_cmp (is3->the_bfd->filename,
is2->the_bfd->filename))
{
is_ms_arch = 0;
break;
}
}
}
}
/* This fragment might have come from an .obj file in a Microsoft
import, and not an actual import record. If this is the case,
then leave the filename alone. */
pnt = strrchr (is->the_bfd->filename, '.');
if (is_ms_arch && (filename_cmp (pnt, ".dll") == 0))
{
int idata2 = 0, reloc_count=0;
asection *sec;
char *new_name, seq;
for (sec = is->the_bfd->sections; sec; sec = sec->next)
{
if (strcmp (sec->name, ".idata\$2") == 0)
idata2 = 1;
reloc_count += sec->reloc_count;
}
if (idata2) /* .idata2 is the TOC */
seq = 'a';
else if (reloc_count > 0) /* thunks */
seq = 'b';
else /* sentinel */
seq = 'c';
new_name = xmalloc (strlen (is->the_bfd->filename) + 3);
sprintf (new_name, "%s.%c", is->the_bfd->filename, seq);
bfd_set_filename (is->the_bfd, new_name);
new_name = xmalloc (strlen (is->filename) + 3);
sprintf (new_name, "%s.%c", is->filename, seq);
is->filename = new_name;
}
}
}
}
}
static void
gld_${EMULATION_NAME}_before_allocation (void)
{
is_underscoring ();
before_allocation_default ();
}
#ifdef DLL_SUPPORT
/* This is called when an input file isn't recognized as a BFD. We
check here for .DEF files and pull them in automatically. */
static int
saw_option (char *option)
{
int i;
is_underscoring ();
for (i = 0; init[i].ptr; i++)
if (strcmp (GET_INIT_SYMBOL_NAME (i), option) == 0)
return init[i].inited;
return 0;
}
#endif /* DLL_SUPPORT */
static bfd_boolean
gld_${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
{
#ifdef DLL_SUPPORT
const char *ext = entry->filename + strlen (entry->filename) - 4;
if (filename_cmp (ext, ".def") == 0 || filename_cmp (ext, ".DEF") == 0)
{
pep_def_file = def_file_parse (entry->filename, pep_def_file);
if (pep_def_file)
{
int i, buflen=0, len;
char *buf;
for (i = 0; i < pep_def_file->num_exports; i++)
{
len = strlen (pep_def_file->exports[i].internal_name);
if (buflen < len + 2)
buflen = len + 2;
}
buf = xmalloc (buflen);
for (i = 0; i < pep_def_file->num_exports; i++)
{
struct bfd_link_hash_entry *h;
sprintf (buf, "%s%s", U (""),
pep_def_file->exports[i].internal_name);
h = bfd_link_hash_lookup (link_info.hash, buf, TRUE, TRUE, TRUE);
if (h == (struct bfd_link_hash_entry *) NULL)
einfo (_("%F%P: bfd_link_hash_lookup failed: %E\n"));
if (h->type == bfd_link_hash_new)
{
h->type = bfd_link_hash_undefined;
h->u.undef.abfd = NULL;
bfd_link_add_undef (link_info.hash, h);
}
}
free (buf);
/* def_file_print (stdout, pep_def_file); */
if (pep_def_file->is_dll == 1)
link_info.type = type_dll;
if (pep_def_file->base_address != (bfd_vma)(-1))
{
pep.ImageBase
= pe_data (link_info.output_bfd)->pe_opthdr.ImageBase
= init[IMAGEBASEOFF].value
= pep_def_file->base_address;
init[IMAGEBASEOFF].inited = 1;
if (image_base_statement)
image_base_statement->exp
= exp_assign ("__image_base__", exp_intop (pep.ImageBase),
FALSE);
}
if (pep_def_file->stack_reserve != -1
&& ! saw_option ("__size_of_stack_reserve__"))
{
pep.SizeOfStackReserve = pep_def_file->stack_reserve;
if (pep_def_file->stack_commit != -1)
pep.SizeOfStackCommit = pep_def_file->stack_commit;
}
if (pep_def_file->heap_reserve != -1
&& ! saw_option ("__size_of_heap_reserve__"))
{
pep.SizeOfHeapReserve = pep_def_file->heap_reserve;
if (pep_def_file->heap_commit != -1)
pep.SizeOfHeapCommit = pep_def_file->heap_commit;
}
return TRUE;
}
}
#endif
return FALSE;
}
static bfd_boolean
gld_${EMULATION_NAME}_recognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
{
is_underscoring ();
#ifdef DLL_SUPPORT
#ifdef TARGET_IS_i386pep
pep_dll_id_target ("pei-x86-64");
#endif
if (pep_bfd_is_dll (entry->the_bfd))
return pep_implied_import_dll (entry->filename);
#endif
return FALSE;
}
static void
gld_${EMULATION_NAME}_finish (void)
{
is_underscoring ();
finish_default ();
#ifdef DLL_SUPPORT
if (bfd_link_pic (&link_info)
|| (!bfd_link_relocatable (&link_info)
&& pep_def_file->num_exports != 0))
{
pep_dll_fill_sections (link_info.output_bfd, &link_info);
if (command_line.out_implib_filename)
pep_dll_generate_implib (pep_def_file,
command_line.out_implib_filename, &link_info);
}
if (pep_out_def_filename)
pep_dll_generate_def_file (pep_out_def_filename);
#endif /* DLL_SUPPORT */
/* I don't know where .idata gets set as code, but it shouldn't be. */
{
asection *asec = bfd_get_section_by_name (link_info.output_bfd, ".idata");
if (asec)
{
asec->flags &= ~SEC_CODE;
asec->flags |= SEC_DATA;
}
}
}
/* Place an orphan section.
We use this to put sections in a reasonable place in the file, and
to ensure that they are aligned as required.
We handle grouped sections here as well. A section named .foo\$nn
goes into the output section .foo. All grouped sections are sorted
by name.
Grouped sections for the default sections are handled by the
default linker script using wildcards, and are sorted by
sort_sections. */
static lang_output_section_statement_type *
gld_${EMULATION_NAME}_place_orphan (asection *s,
const char *secname,
int constraint)
{
const char *orig_secname = secname;
char *dollar = NULL;
lang_output_section_statement_type *os;
lang_statement_list_type add_child;
lang_output_section_statement_type *match_by_name = NULL;
lang_statement_union_type **pl;
/* Look through the script to see where to place this section. */
if (!bfd_link_relocatable (&link_info)
&& (dollar = strchr (secname, '\$')) != NULL)
{
size_t len = dollar - secname;
char *newname = xmalloc (len + 1);
memcpy (newname, secname, len);
newname[len] = '\0';
secname = newname;
}
lang_list_init (&add_child);
os = NULL;
if (constraint == 0)
for (os = lang_output_section_find (secname);
os != NULL;
os = next_matching_output_section_statement (os, 0))
{
/* If we don't match an existing output section, tell
lang_insert_orphan to create a new output section. */
constraint = SPECIAL;
if (os->bfd_section != NULL
&& (os->bfd_section->flags == 0
|| ((s->flags ^ os->bfd_section->flags)
& (SEC_LOAD | SEC_ALLOC)) == 0))
{
/* We already have an output section statement with this
name, and its bfd section has compatible flags.
If the section already exists but does not have any flags set,
then it has been created by the linker, probably as a result of
a --section-start command line switch. */
lang_add_section (&add_child, s, NULL, os);
break;
}
/* Save unused output sections in case we can match them
against orphans later. */
if (os->bfd_section == NULL)
match_by_name = os;
}
/* If we didn't match an active output section, see if we matched an
unused one and use that. */
if (os == NULL && match_by_name)
{
lang_add_section (&match_by_name->children, s, NULL, match_by_name);
return match_by_name;
}
if (os == NULL)
{
static struct orphan_save hold[] =
{
{ ".text",
SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE,
0, 0, 0, 0 },
{ ".idata",
SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
0, 0, 0, 0 },
{ ".rdata",
SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
0, 0, 0, 0 },
{ ".data",
SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA,
0, 0, 0, 0 },
{ ".bss",
SEC_ALLOC,
0, 0, 0, 0 }
};
enum orphan_save_index
{
orphan_text = 0,
orphan_idata,
orphan_rodata,
orphan_data,
orphan_bss
};
static int orphan_init_done = 0;
struct orphan_save *place;
lang_output_section_statement_type *after;
etree_type *address;
flagword flags;
asection *nexts;
if (!orphan_init_done)
{
struct orphan_save *ho;
for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho)
if (ho->name != NULL)
{
ho->os = lang_output_section_find (ho->name);
if (ho->os != NULL && ho->os->flags == 0)
ho->os->flags = ho->flags;
}
orphan_init_done = 1;
}
flags = s->flags;
if (!bfd_link_relocatable (&link_info))
{
nexts = s;
while ((nexts = bfd_get_next_section_by_name (nexts->owner,
nexts)))
if (nexts->output_section == NULL
&& (nexts->flags & SEC_EXCLUDE) == 0
&& ((nexts->flags ^ flags) & (SEC_LOAD | SEC_ALLOC)) == 0
&& (nexts->owner->flags & DYNAMIC) == 0
&& !bfd_input_just_syms (nexts->owner))
flags = (((flags ^ SEC_READONLY)
| (nexts->flags ^ SEC_READONLY))
^ SEC_READONLY);
}
/* Try to put the new output section in a reasonable place based
on the section name and section flags. */
place = NULL;
if ((flags & SEC_ALLOC) == 0)
;
else if ((flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
place = &hold[orphan_bss];
else if ((flags & SEC_READONLY) == 0)
place = &hold[orphan_data];
else if ((flags & SEC_CODE) == 0)
{
place = (!strncmp (secname, ".idata\$", 7) ? &hold[orphan_idata]
: &hold[orphan_rodata]);
}
else
place = &hold[orphan_text];
after = NULL;
if (place != NULL)
{
if (place->os == NULL)
place->os = lang_output_section_find (place->name);
after = place->os;
if (after == NULL)
after = lang_output_section_find_by_flags (s, flags, &place->os,
NULL);
if (after == NULL)
/* *ABS* is always the first output section statement. */
after = (void *) lang_os_list.head;
}
/* All sections in an executable must be aligned to a page boundary.
In a relocatable link, just preserve the incoming alignment; the
address is discarded by lang_insert_orphan in that case, anyway. */
address = exp_unop (ALIGN_K, exp_nameop (NAME, "__section_alignment__"));
os = lang_insert_orphan (s, secname, constraint, after, place, address,
&add_child);
if (bfd_link_relocatable (&link_info))
{
os->section_alignment = exp_intop (1U << s->alignment_power);
os->bfd_section->alignment_power = s->alignment_power;
}
}
/* If the section name has a '\$', sort it with the other '\$'
sections. */
for (pl = &os->children.head; *pl != NULL; pl = &(*pl)->header.next)
{
lang_input_section_type *ls;
const char *lname;
if ((*pl)->header.type != lang_input_section_enum)
continue;
ls = &(*pl)->input_section;
lname = bfd_section_name (ls->section);
if (strchr (lname, '\$') != NULL
&& (dollar == NULL || strcmp (orig_secname, lname) < 0))
break;
}
if (add_child.head != NULL)
{
*add_child.tail = *pl;
*pl = add_child.head;
}
return os;
}
static bfd_boolean
gld_${EMULATION_NAME}_open_dynamic_archive
(const char *arch ATTRIBUTE_UNUSED,
search_dirs_type *search,
lang_input_statement_type *entry)
{
static const struct
{
const char * format;
bfd_boolean use_prefix;
}
libname_fmt [] =
{
/* Preferred explicit import library for dll's. */
{ "lib%s.dll.a", FALSE },
/* Alternate explicit import library for dll's. */
{ "%s.dll.a", FALSE },
/* "libfoo.a" could be either an import lib or a static lib.
For backwards compatibility, libfoo.a needs to precede
libfoo.dll and foo.dll in the search. */
{ "lib%s.a", FALSE },
/* The 'native' spelling of an import lib name is "foo.lib". */
{ "%s.lib", FALSE },
/* PR 22948 - Check for an import library. */
{ "lib%s.lib", FALSE },
#ifdef DLL_SUPPORT
/* Try "<prefix>foo.dll" (preferred dll name, if specified). */
{ "%s%s.dll", TRUE },
#endif
/* Try "libfoo.dll" (default preferred dll name). */
{ "lib%s.dll", FALSE },
/* Finally try 'native' dll name "foo.dll". */
{ "%s.dll", FALSE },
/* Note: If adding more formats to this table, make sure to check to
see if their length is longer than libname_fmt[0].format, and if
so, update the call to xmalloc() below. */
{ NULL, FALSE }
};
static unsigned int format_max_len = 0;
const char * filename;
char * full_string;
char * base_string;
unsigned int i;
if (! entry->flags.maybe_archive || entry->flags.full_name_provided)
return FALSE;
filename = entry->filename;
if (format_max_len == 0)
/* We need to allow space in the memory that we are going to allocate
for the characters in the format string. Since the format array is
static we only need to calculate this information once. In theory
this value could also be computed statically, but this introduces
the possibility for a discrepancy and hence a possible memory
corruption. The lengths we compute here will be too long because
they will include any formating characters (%s) in the strings, but
this will not matter. */
for (i = 0; libname_fmt[i].format; i++)
if (format_max_len < strlen (libname_fmt[i].format))
format_max_len = strlen (libname_fmt[i].format);
full_string = xmalloc (strlen (search->name)
+ strlen (filename)
+ format_max_len
#ifdef DLL_SUPPORT
+ (pep_dll_search_prefix
? strlen (pep_dll_search_prefix) : 0)
#endif
/* Allow for the terminating NUL and for the path
separator character that is inserted between
search->name and the start of the format string. */
+ 2);
sprintf (full_string, "%s/", search->name);
base_string = full_string + strlen (full_string);
for (i = 0; libname_fmt[i].format; i++)
{
#ifdef DLL_SUPPORT
if (libname_fmt[i].use_prefix)
{
if (!pep_dll_search_prefix)
continue;
sprintf (base_string, libname_fmt[i].format, pep_dll_search_prefix, filename);
}
else
#endif
sprintf (base_string, libname_fmt[i].format, filename);
if (ldfile_try_open_bfd (full_string, entry))
break;
}
if (!libname_fmt[i].format)
{
free (full_string);
return FALSE;
}
entry->filename = full_string;
return TRUE;
}
static int
gld_${EMULATION_NAME}_find_potential_libraries
(char *name, lang_input_statement_type *entry)
{
return ldfile_open_file_search (name, entry, "", ".lib");
}
static char *
gld_${EMULATION_NAME}_get_script (int *isfile)
EOF
# Scripts compiled in.
# sed commands to quote an ld script as a C string.
sc="-f stringify.sed"
fragment <<EOF
{
*isfile = 0;
if (bfd_link_relocatable (&link_info) && config.build_constructors)
return
EOF
sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
echo ' ; else if (bfd_link_relocatable (&link_info)) return' >> e${EMULATION_NAME}.c
sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
if test -n "$GENERATE_AUTO_IMPORT_SCRIPT" ; then
echo ' ; else if (link_info.pei386_auto_import == 1 && link_info.pei386_runtime_pseudo_reloc != 2) return' >> e${EMULATION_NAME}.c
sed $sc ldscripts/${EMULATION_NAME}.xa >> e${EMULATION_NAME}.c
fi
echo ' ; else return' >> e${EMULATION_NAME}.c
sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
echo '; }' >> e${EMULATION_NAME}.c
fragment <<EOF
struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
{
gld_${EMULATION_NAME}_before_parse,
syslib_default,
hll_default,
gld_${EMULATION_NAME}_after_parse,
gld_${EMULATION_NAME}_after_open,
after_check_relocs_default,
after_allocation_default,
set_output_arch_default,
ldemul_default_target,
gld_${EMULATION_NAME}_before_allocation,
gld_${EMULATION_NAME}_get_script,
"${EMULATION_NAME}",
"${OUTPUT_FORMAT}",
gld_${EMULATION_NAME}_finish,
NULL, /* Create output section statements. */
gld_${EMULATION_NAME}_open_dynamic_archive,
gld_${EMULATION_NAME}_place_orphan,
gld_${EMULATION_NAME}_set_symbols,
NULL, /* parse_args */
gld${EMULATION_NAME}_add_options,
gld${EMULATION_NAME}_handle_option,
gld_${EMULATION_NAME}_unrecognized_file,
gld_${EMULATION_NAME}_list_options,
gld_${EMULATION_NAME}_recognized_file,
gld_${EMULATION_NAME}_find_potential_libraries,
NULL, /* new_vers_pattern. */
NULL, /* extra_map_file_text */
${LDEMUL_EMIT_CTF_EARLY-NULL},
${LDEMUL_EXAMINE_STRTAB_FOR_CTF-NULL}
};
EOF
|