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
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
2358
2359
2360
2361
2362
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373
2374
2375
2376
2377
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
2389
2390
2391
2392
2393
2394
2395
2396
2397
2398
2399
2400
2401
2402
2403
2404
2405
2406
2407
2408
2409
2410
2411
2412
2413
2414
2415
2416
2417
2418
2419
2420
2421
2422
2423
2424
2425
2426
2427
2428
2429
2430
2431
2432
2433
2434
2435
2436
2437
2438
2439
2440
2441
2442
2443
2444
2445
2446
2447
2448
2449
2450
2451
2452
2453
2454
2455
2456
2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469
2470
2471
2472
2473
2474
2475
2476
2477
2478
2479
2480
2481
2482
2483
2484
2485
2486
2487
2488
2489
2490
2491
2492
2493
2494
2495
2496
2497
2498
2499
2500
2501
2502
2503
2504
2505
2506
2507
2508
2509
2510
2511
2512
2513
2514
2515
2516
2517
2518
2519
2520
2521
2522
2523
2524
2525
2526
2527
2528
2529
2530
2531
2532
2533
2534
2535
2536
2537
2538
2539
2540
2541
2542
2543
2544
2545
2546
2547
2548
2549
2550
2551
2552
2553
2554
2555
2556
2557
2558
2559
2560
2561
2562
2563
2564
2565
2566
2567
2568
2569
2570
2571
2572
2573
2574
2575
2576
2577
2578
2579
2580
2581
2582
2583
2584
2585
2586
2587
2588
2589
2590
2591
2592
2593
2594
2595
2596
2597
2598
2599
2600
2601
2602
2603
2604
2605
2606
2607
2608
2609
2610
2611
2612
2613
2614
2615
2616
2617
2618
2619
2620
2621
2622
2623
2624
2625
2626
2627
2628
2629
2630
2631
2632
2633
2634
2635
2636
2637
2638
2639
2640
2641
2642
2643
2644
2645
2646
2647
2648
2649
2650
2651
2652
2653
2654
2655
2656
2657
2658
2659
2660
2661
2662
2663
2664
2665
2666
2667
2668
2669
2670
2671
2672
2673
2674
2675
2676
2677
2678
2679
2680
2681
2682
2683
2684
2685
2686
2687
2688
2689
2690
2691
2692
2693
2694
2695
2696
2697
2698
2699
2700
2701
2702
2703
2704
2705
2706
2707
2708
2709
2710
2711
2712
2713
2714
2715
2716
2717
2718
2719
2720
2721
2722
2723
2724
2725
2726
2727
2728
2729
2730
2731
2732
2733
2734
2735
2736
2737
2738
2739
2740
2741
2742
2743
2744
2745
2746
2747
2748
2749
2750
2751
2752
2753
2754
2755
2756
2757
2758
2759
2760
2761
2762
2763
2764
2765
2766
2767
2768
2769
2770
2771
2772
2773
2774
2775
2776
2777
2778
2779
2780
2781
2782
2783
2784
2785
2786
2787
2788
2789
2790
2791
2792
2793
2794
2795
2796
2797
2798
2799
2800
2801
2802
2803
2804
2805
2806
2807
2808
2809
2810
2811
2812
2813
2814
2815
2816
2817
2818
2819
2820
2821
2822
2823
2824
2825
2826
2827
2828
2829
2830
2831
2832
2833
2834
2835
2836
2837
2838
2839
2840
2841
2842
2843
2844
2845
2846
2847
2848
2849
2850
2851
2852
2853
2854
2855
2856
2857
2858
2859
2860
2861
2862
2863
2864
2865
2866
2867
2868
2869
2870
2871
2872
2873
2874
2875
2876
2877
2878
2879
2880
2881
2882
2883
2884
2885
2886
2887
2888
2889
2890
2891
2892
2893
2894
2895
2896
2897
2898
2899
2900
2901
2902
2903
2904
2905
2906
2907
2908
2909
2910
2911
2912
2913
2914
2915
2916
2917
2918
2919
2920
2921
2922
2923
2924
2925
2926
2927
2928
2929
2930
2931
2932
2933
2934
2935
2936
2937
2938
2939
2940
|
/* BFD back-end for PowerPC Microsoft Portable Executable files.
Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
2000, 2001
Free Software Foundation, Inc.
Original version pieced together by Kim Knuttila (krk@cygnus.com)
There is nothing new under the sun. This file draws a lot on other
coff files, in particular, those for the rs/6000, alpha, mips, and
intel backends, and the PE work for the arm.
This file is part of BFD, the Binary File Descriptor library.
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 2 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, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
/* Current State:
- objdump works
- relocs generated by gas
- ld will link files, but they do not run.
- dlltool will not produce correct output in some .reloc cases, and will
not produce the right glue code for dll function calls.
*/
#include "bfd.h"
#include "sysdep.h"
#include "libbfd.h"
#include "coff/powerpc.h"
#include "coff/internal.h"
#include "coff/pe.h"
#ifdef BADMAG
#undef BADMAG
#endif
#define BADMAG(x) PPCBADMAG(x)
#include "libcoff.h"
/* This file is compiled more than once, but we only compile the
final_link routine once. */
extern boolean ppc_bfd_coff_final_link
PARAMS ((bfd *, struct bfd_link_info *));
extern void dump_toc PARAMS ((PTR));
/* The toc is a set of bfd_vma fields. We use the fact that valid */
/* addresses are even (i.e. the bit representing "1" is off) to allow */
/* us to encode a little extra information in the field */
/* - Unallocated addresses are intialized to 1. */
/* - Allocated addresses are even numbers. */
/* The first time we actually write a reference to the toc in the bfd, */
/* we want to record that fact in a fixup file (if it is asked for), so */
/* we keep track of whether or not an address has been written by marking */
/* the low order bit with a "1" upon writing */
#define SET_UNALLOCATED(x) ((x) = 1)
#define IS_UNALLOCATED(x) ((x) == 1)
#define IS_WRITTEN(x) ((x) & 1)
#define MARK_AS_WRITTEN(x) ((x) |= 1)
#define MAKE_ADDR_AGAIN(x) ((x) &= ~1)
/* Turn on this check if you suspect something amiss in the hash tables */
#ifdef DEBUG_HASH
/* Need a 7 char string for an eye catcher */
#define EYE "krkjunk"
#define HASH_CHECK_DCL char eye_catcher[8];
#define HASH_CHECK_INIT(ret) strcpy(ret->eye_catcher, EYE)
#define HASH_CHECK(addr) \
if (strcmp(addr->eye_catcher, EYE) != 0) \
{ \
fprintf (stderr,\
_("File %s, line %d, Hash check failure, bad eye %8s\n"), \
__FILE__, __LINE__, addr->eye_catcher); \
abort (); \
}
#else
#define HASH_CHECK_DCL
#define HASH_CHECK_INIT(ret)
#define HASH_CHECK(addr)
#endif
/* In order not to add an int to every hash table item for every coff
linker, we define our own hash table, derived from the coff one */
/* PE linker hash table entries. */
struct ppc_coff_link_hash_entry
{
struct coff_link_hash_entry root; /* First entry, as required */
/* As we wonder around the relocs, we'll keep the assigned toc_offset
here */
bfd_vma toc_offset; /* Our addition, as required */
int symbol_is_glue;
unsigned long int glue_insn;
HASH_CHECK_DCL
};
/* PE linker hash table. */
struct ppc_coff_link_hash_table
{
struct coff_link_hash_table root; /* First entry, as required */
};
static struct bfd_hash_entry *ppc_coff_link_hash_newfunc
PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *,
const char *));
static boolean ppc_coff_link_hash_table_init
PARAMS ((struct ppc_coff_link_hash_table *, bfd *,
struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
struct bfd_hash_table *,
const char *)));
static struct bfd_link_hash_table *ppc_coff_link_hash_table_create
PARAMS ((bfd *));
static boolean coff_ppc_relocate_section
PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
struct internal_reloc *, struct internal_syment *, asection **));
static reloc_howto_type *coff_ppc_rtype_to_howto
PARAMS ((bfd *, asection *, struct internal_reloc *,
struct coff_link_hash_entry *, struct internal_syment *,
bfd_vma *));
/* Routine to create an entry in the link hash table. */
static struct bfd_hash_entry *
ppc_coff_link_hash_newfunc (entry, table, string)
struct bfd_hash_entry *entry;
struct bfd_hash_table *table;
const char *string;
{
struct ppc_coff_link_hash_entry *ret =
(struct ppc_coff_link_hash_entry *) entry;
/* Allocate the structure if it has not already been allocated by a
subclass. */
if (ret == (struct ppc_coff_link_hash_entry *) NULL)
ret = (struct ppc_coff_link_hash_entry *)
bfd_hash_allocate (table,
sizeof (struct ppc_coff_link_hash_entry));
if (ret == (struct ppc_coff_link_hash_entry *) NULL)
return NULL;
/* Call the allocation method of the superclass. */
ret = ((struct ppc_coff_link_hash_entry *)
_bfd_coff_link_hash_newfunc ((struct bfd_hash_entry *) ret,
table, string));
if (ret)
{
/* Initialize the local fields. */
SET_UNALLOCATED(ret->toc_offset);
ret->symbol_is_glue = 0;
ret->glue_insn = 0;
HASH_CHECK_INIT(ret);
}
return (struct bfd_hash_entry *) ret;
}
/* Initialize a PE linker hash table. */
static boolean
ppc_coff_link_hash_table_init (table, abfd, newfunc)
struct ppc_coff_link_hash_table *table;
bfd *abfd;
struct bfd_hash_entry *(*newfunc) PARAMS ((struct bfd_hash_entry *,
struct bfd_hash_table *,
const char *));
{
return _bfd_coff_link_hash_table_init (&table->root, abfd, newfunc);
}
/* Create a PE linker hash table. */
static struct bfd_link_hash_table *
ppc_coff_link_hash_table_create (abfd)
bfd *abfd;
{
struct ppc_coff_link_hash_table *ret;
ret = ((struct ppc_coff_link_hash_table *)
bfd_alloc (abfd, sizeof (struct ppc_coff_link_hash_table)));
if (ret == NULL)
return NULL;
if (! ppc_coff_link_hash_table_init (ret, abfd,
ppc_coff_link_hash_newfunc))
{
bfd_release (abfd, ret);
return (struct bfd_link_hash_table *) NULL;
}
return &ret->root.root;
}
/* Now, tailor coffcode.h to use our hash stuff */
#define coff_bfd_link_hash_table_create ppc_coff_link_hash_table_create
/* The nt loader points the toc register to &toc + 32768, in order to */
/* use the complete range of a 16-bit displacement. We have to adjust */
/* for this when we fix up loads displaced off the toc reg. */
#define TOC_LOAD_ADJUSTMENT (-32768)
#define TOC_SECTION_NAME ".private.toc"
/* The main body of code is in coffcode.h. */
#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (3)
/* In case we're on a 32-bit machine, construct a 64-bit "-1" value
from smaller values. Start with zero, widen, *then* decrement. */
#define MINUS_ONE (((bfd_vma)0) - 1)
/* these should definitely go in a header file somewhere... */
/* NOP */
#define IMAGE_REL_PPC_ABSOLUTE 0x0000
/* 64-bit address */
#define IMAGE_REL_PPC_ADDR64 0x0001
/* 32-bit address */
#define IMAGE_REL_PPC_ADDR32 0x0002
/* 26-bit address, shifted left 2 (branch absolute) */
#define IMAGE_REL_PPC_ADDR24 0x0003
/* 16-bit address */
#define IMAGE_REL_PPC_ADDR16 0x0004
/* 16-bit address, shifted left 2 (load doubleword) */
#define IMAGE_REL_PPC_ADDR14 0x0005
/* 26-bit PC-relative offset, shifted left 2 (branch relative) */
#define IMAGE_REL_PPC_REL24 0x0006
/* 16-bit PC-relative offset, shifted left 2 (br cond relative) */
#define IMAGE_REL_PPC_REL14 0x0007
/* 16-bit offset from TOC base */
#define IMAGE_REL_PPC_TOCREL16 0x0008
/* 16-bit offset from TOC base, shifted left 2 (load doubleword) */
#define IMAGE_REL_PPC_TOCREL14 0x0009
/* 32-bit addr w/o image base */
#define IMAGE_REL_PPC_ADDR32NB 0x000A
/* va of containing section (as in an image sectionhdr) */
#define IMAGE_REL_PPC_SECREL 0x000B
/* sectionheader number */
#define IMAGE_REL_PPC_SECTION 0x000C
/* substitute TOC restore instruction iff symbol is glue code */
#define IMAGE_REL_PPC_IFGLUE 0x000D
/* symbol is glue code; virtual address is TOC restore instruction */
#define IMAGE_REL_PPC_IMGLUE 0x000E
/* va of containing section (limited to 16 bits) */
#define IMAGE_REL_PPC_SECREL16 0x000F
/* stuff to handle immediate data when the number of bits in the */
/* data is greater than the number of bits in the immediate field */
/* We need to do (usually) 32 bit arithmetic on 16 bit chunks */
#define IMAGE_REL_PPC_REFHI 0x0010
#define IMAGE_REL_PPC_REFLO 0x0011
#define IMAGE_REL_PPC_PAIR 0x0012
/* This is essentially the same as tocrel16, with TOCDEFN assumed */
#define IMAGE_REL_PPC_TOCREL16_DEFN 0x0013
/* Flag bits in IMAGE_RELOCATION.TYPE */
/* subtract reloc value rather than adding it */
#define IMAGE_REL_PPC_NEG 0x0100
/* fix branch prediction bit to predict branch taken */
#define IMAGE_REL_PPC_BRTAKEN 0x0200
/* fix branch prediction bit to predict branch not taken */
#define IMAGE_REL_PPC_BRNTAKEN 0x0400
/* toc slot defined in file (or, data in toc) */
#define IMAGE_REL_PPC_TOCDEFN 0x0800
/* masks to isolate above values in IMAGE_RELOCATION.Type */
#define IMAGE_REL_PPC_TYPEMASK 0x00FF
#define IMAGE_REL_PPC_FLAGMASK 0x0F00
#define EXTRACT_TYPE(x) ((x) & IMAGE_REL_PPC_TYPEMASK)
#define EXTRACT_FLAGS(x) ((x) & IMAGE_REL_PPC_FLAGMASK)
#define EXTRACT_JUNK(x) \
((x) & ~(IMAGE_REL_PPC_TYPEMASK | IMAGE_REL_PPC_FLAGMASK))
/* static helper functions to make relocation work */
/* (Work In Progress) */
static bfd_reloc_status_type ppc_refhi_reloc PARAMS ((bfd *abfd,
arelent *reloc,
asymbol *symbol,
PTR data,
asection *section,
bfd *output_bfd,
char **error));
#if 0
static bfd_reloc_status_type ppc_reflo_reloc PARAMS ((bfd *abfd,
arelent *reloc,
asymbol *symbol,
PTR data,
asection *section,
bfd *output_bfd,
char **error));
#endif
static bfd_reloc_status_type ppc_pair_reloc PARAMS ((bfd *abfd,
arelent *reloc,
asymbol *symbol,
PTR data,
asection *section,
bfd *output_bfd,
char **error));
static bfd_reloc_status_type ppc_toc16_reloc PARAMS ((bfd *abfd,
arelent *reloc,
asymbol *symbol,
PTR data,
asection *section,
bfd *output_bfd,
char **error));
#if 0
static bfd_reloc_status_type ppc_addr32nb_reloc PARAMS ((bfd *abfd,
arelent *reloc,
asymbol *symbol,
PTR data,
asection *section,
bfd *output_bfd,
char **error));
#endif
static bfd_reloc_status_type ppc_section_reloc PARAMS ((bfd *abfd,
arelent *reloc,
asymbol *symbol,
PTR data,
asection *section,
bfd *output_bfd,
char **error));
static bfd_reloc_status_type ppc_secrel_reloc PARAMS ((bfd *abfd,
arelent *reloc,
asymbol *symbol,
PTR data,
asection *section,
bfd *output_bfd,
char **error));
static bfd_reloc_status_type ppc_imglue_reloc PARAMS ((bfd *abfd,
arelent *reloc,
asymbol *symbol,
PTR data,
asection *section,
bfd *output_bfd,
char **error));
static boolean in_reloc_p PARAMS((bfd *abfd, reloc_howto_type *howto));
/* FIXME: It'll take a while to get through all of these. I only need a few to
get us started, so those I'll make sure work. Those marked FIXME are either
completely unverified or have a specific unknown marked in the comment */
/*---------------------------------------------------------------------------*/
/* */
/* Relocation entries for Windows/NT on PowerPC. */
/* */
/* From the document "" we find the following listed as used relocs: */
/* */
/* ABSOLUTE : The noop */
/* ADDR[64|32|16] : fields that hold addresses in data fields or the */
/* 16 bit displacement field on a load/store. */
/* ADDR[24|14] : fields that hold addresses in branch and cond */
/* branches. These represent [26|16] bit addresses. */
/* The low order 2 bits are preserved. */
/* REL[24|14] : branches relative to the Instruction Address */
/* register. These represent [26|16] bit addresses, */
/* as before. The instruction field will be zero, and */
/* the address of the SYM will be inserted at link time. */
/* TOCREL16 : 16 bit displacement field referring to a slot in */
/* toc. */
/* TOCREL14 : 16 bit displacement field, similar to REL14 or ADDR14. */
/* ADDR32NB : 32 bit address relative to the virtual origin. */
/* (On the alpha, this is always a linker generated thunk)*/
/* (i.e. 32bit addr relative to the image base) */
/* SECREL : The value is relative to the start of the section */
/* containing the symbol. */
/* SECTION : access to the header containing the item. Supports the */
/* codeview debugger. */
/* */
/* In particular, note that the document does not indicate that the */
/* relocations listed in the header file are used. */
/* */
/* */
/* */
/*---------------------------------------------------------------------------*/
static reloc_howto_type ppc_coff_howto_table[] =
{
/* IMAGE_REL_PPC_ABSOLUTE 0x0000 NOP */
/* Unused: */
HOWTO (IMAGE_REL_PPC_ABSOLUTE, /* type */
0, /* rightshift */
0, /* size (0 = byte, 1 = short, 2 = long) */
0, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* dont complain_on_overflow */
0, /* special_function */
"ABSOLUTE", /* name */
false, /* partial_inplace */
0x00, /* src_mask */
0x00, /* dst_mask */
false), /* pcrel_offset */
/* IMAGE_REL_PPC_ADDR64 0x0001 64-bit address */
/* Unused: */
HOWTO(IMAGE_REL_PPC_ADDR64, /* type */
0, /* rightshift */
3, /* size (0 = byte, 1 = short, 2 = long) */
64, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
0, /* special_function */
"ADDR64", /* name */
true, /* partial_inplace */
MINUS_ONE, /* src_mask */
MINUS_ONE, /* dst_mask */
false), /* pcrel_offset */
/* IMAGE_REL_PPC_ADDR32 0x0002 32-bit address */
/* Used: */
HOWTO (IMAGE_REL_PPC_ADDR32, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
0, /* special_function */
"ADDR32", /* name */
true, /* partial_inplace */
0xffffffff, /* src_mask */
0xffffffff, /* dst_mask */
false), /* pcrel_offset */
/* IMAGE_REL_PPC_ADDR24 0x0003 26-bit address, shifted left 2 (branch absolute) */
/* the LI field is in bit 6 through bit 29 is 24 bits, + 2 for the shift */
/* Of course, That's the IBM approved bit numbering, which is not what */
/* anyone else uses.... The li field is in bit 2 thru 25 */
/* Used: */
HOWTO (IMAGE_REL_PPC_ADDR24, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
26, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
0, /* special_function */
"ADDR24", /* name */
true, /* partial_inplace */
0x07fffffc, /* src_mask */
0x07fffffc, /* dst_mask */
false), /* pcrel_offset */
/* IMAGE_REL_PPC_ADDR16 0x0004 16-bit address */
/* Used: */
HOWTO (IMAGE_REL_PPC_ADDR16, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
0, /* special_function */
"ADDR16", /* name */
true, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
false), /* pcrel_offset */
/* IMAGE_REL_PPC_ADDR14 0x0005 */
/* 16-bit address, shifted left 2 (load doubleword) */
/* FIXME: the mask is likely wrong, and the bit position may be as well */
/* Unused: */
HOWTO (IMAGE_REL_PPC_ADDR14, /* type */
1, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
0, /* special_function */
"ADDR16", /* name */
true, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
false), /* pcrel_offset */
/* IMAGE_REL_PPC_REL24 0x0006 */
/* 26-bit PC-relative offset, shifted left 2 (branch relative) */
/* Used: */
HOWTO (IMAGE_REL_PPC_REL24, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
26, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
0, /* special_function */
"REL24", /* name */
true, /* partial_inplace */
0x3fffffc, /* src_mask */
0x3fffffc, /* dst_mask */
false), /* pcrel_offset */
/* IMAGE_REL_PPC_REL14 0x0007 */
/* 16-bit PC-relative offset, shifted left 2 (br cond relative) */
/* FIXME: the mask is likely wrong, and the bit position may be as well */
/* FIXME: how does it know how far to shift? */
/* Unused: */
HOWTO (IMAGE_REL_PPC_ADDR14, /* type */
1, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
0, /* special_function */
"ADDR16", /* name */
true, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
true), /* pcrel_offset */
/* IMAGE_REL_PPC_TOCREL16 0x0008 */
/* 16-bit offset from TOC base */
/* Used: */
HOWTO (IMAGE_REL_PPC_TOCREL16,/* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
ppc_toc16_reloc, /* special_function */
"TOCREL16", /* name */
false, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
false), /* pcrel_offset */
/* IMAGE_REL_PPC_TOCREL14 0x0009 */
/* 16-bit offset from TOC base, shifted left 2 (load doubleword) */
/* Unused: */
HOWTO (IMAGE_REL_PPC_TOCREL14,/* type */
1, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
0, /* special_function */
"TOCREL14", /* name */
false, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
false), /* pcrel_offset */
/* IMAGE_REL_PPC_ADDR32NB 0x000A */
/* 32-bit addr w/ image base */
/* Unused: */
HOWTO (IMAGE_REL_PPC_ADDR32NB,/* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
0, /* special_function */
"ADDR32NB", /* name */
true, /* partial_inplace */
0xffffffff, /* src_mask */
0xffffffff, /* dst_mask */
false), /* pcrel_offset */
/* IMAGE_REL_PPC_SECREL 0x000B */
/* va of containing section (as in an image sectionhdr) */
/* Unused: */
HOWTO (IMAGE_REL_PPC_SECREL,/* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
ppc_secrel_reloc, /* special_function */
"SECREL", /* name */
true, /* partial_inplace */
0xffffffff, /* src_mask */
0xffffffff, /* dst_mask */
true), /* pcrel_offset */
/* IMAGE_REL_PPC_SECTION 0x000C */
/* sectionheader number */
/* Unused: */
HOWTO (IMAGE_REL_PPC_SECTION,/* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
ppc_section_reloc, /* special_function */
"SECTION", /* name */
true, /* partial_inplace */
0xffffffff, /* src_mask */
0xffffffff, /* dst_mask */
true), /* pcrel_offset */
/* IMAGE_REL_PPC_IFGLUE 0x000D */
/* substitute TOC restore instruction iff symbol is glue code */
/* Used: */
HOWTO (IMAGE_REL_PPC_IFGLUE,/* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
0, /* special_function */
"IFGLUE", /* name */
true, /* partial_inplace */
0xffffffff, /* src_mask */
0xffffffff, /* dst_mask */
false), /* pcrel_offset */
/* IMAGE_REL_PPC_IMGLUE 0x000E */
/* symbol is glue code; virtual address is TOC restore instruction */
/* Unused: */
HOWTO (IMAGE_REL_PPC_IMGLUE,/* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
ppc_imglue_reloc, /* special_function */
"IMGLUE", /* name */
false, /* partial_inplace */
0xffffffff, /* src_mask */
0xffffffff, /* dst_mask */
false), /* pcrel_offset */
/* IMAGE_REL_PPC_SECREL16 0x000F */
/* va of containing section (limited to 16 bits) */
/* Unused: */
HOWTO (IMAGE_REL_PPC_SECREL16,/* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
0, /* special_function */
"SECREL16", /* name */
true, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
true), /* pcrel_offset */
/* IMAGE_REL_PPC_REFHI 0x0010 */
/* Unused: */
HOWTO (IMAGE_REL_PPC_REFHI, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
ppc_refhi_reloc, /* special_function */
"REFHI", /* name */
true, /* partial_inplace */
0xffffffff, /* src_mask */
0xffffffff, /* dst_mask */
false), /* pcrel_offset */
/* IMAGE_REL_PPC_REFLO 0x0011 */
/* Unused: */
HOWTO (IMAGE_REL_PPC_REFLO, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
ppc_refhi_reloc, /* special_function */
"REFLO", /* name */
true, /* partial_inplace */
0xffffffff, /* src_mask */
0xffffffff, /* dst_mask */
false), /* pcrel_offset */
/* IMAGE_REL_PPC_PAIR 0x0012 */
/* Unused: */
HOWTO (IMAGE_REL_PPC_PAIR, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
ppc_pair_reloc, /* special_function */
"PAIR", /* name */
true, /* partial_inplace */
0xffffffff, /* src_mask */
0xffffffff, /* dst_mask */
false), /* pcrel_offset */
/* IMAGE_REL_PPC_TOCREL16_DEFN 0x0013 */
/* 16-bit offset from TOC base, without causing a definition */
/* Used: */
HOWTO ( (IMAGE_REL_PPC_TOCREL16 | IMAGE_REL_PPC_TOCDEFN), /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
0, /* special_function */
"TOCREL16, TOCDEFN", /* name */
false, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
false), /* pcrel_offset */
};
/* Some really cheezy macros that can be turned on to test stderr :-) */
#ifdef DEBUG_RELOC
#define UN_IMPL(x) \
{ \
static int i; \
if (i == 0) \
{ \
i = 1; \
fprintf (stderr,_("Unimplemented Relocation -- %s\n"),x); \
} \
}
#define DUMP_RELOC(n,r) \
{ \
fprintf (stderr,"%s sym %d, addr %d, addend %d\n", \
n, (*(r->sym_ptr_ptr))->name, \
r->address, r->addend); \
}
/* Given a reloc name, n, and a pointer to an internal_reloc,
dump out interesting information on the contents
#define n_name _n._n_name
#define n_zeroes _n._n_n._n_zeroes
#define n_offset _n._n_n._n_offset
*/
#define DUMP_RELOC2(n,r) \
{ \
fprintf (stderr,"%s sym %d, r_vaddr %d %s\n", \
n, r->r_symndx, r->r_vaddr,\
(((r->r_type) & IMAGE_REL_PPC_TOCDEFN) == 0) \
?" ":" TOCDEFN" ); \
}
#else
#define UN_IMPL(x)
#define DUMP_RELOC(n,r)
#define DUMP_RELOC2(n,r)
#endif
/* toc construction and management routines */
/* This file is compiled twice, and these variables are defined in one
of the compilations. FIXME: This is confusing and weird. Also,
BFD should not use global variables. */
extern bfd* bfd_of_toc_owner;
extern long int global_toc_size;
extern long int import_table_size;
extern long int first_thunk_address;
extern long int thunk_size;
enum toc_type
{
default_toc,
toc_32,
toc_64
};
enum ref_category
{
priv,
pub,
data
};
struct list_ele
{
struct list_ele *next;
bfd_vma addr;
enum ref_category cat;
int offset;
const char *name;
};
extern struct list_ele *head;
extern struct list_ele *tail;
static void record_toc
PARAMS ((asection *, int, enum ref_category, const char *));
static void
record_toc (toc_section, our_toc_offset, cat, name)
asection *toc_section;
int our_toc_offset;
enum ref_category cat;
const char *name;
{
/* add this entry to our toc addr-offset-name list */
struct list_ele *t;
t = (struct list_ele *) bfd_malloc (sizeof (struct list_ele));
if (t == NULL)
abort ();
t->next = 0;
t->offset = our_toc_offset;
t->name = name;
t->cat = cat;
t->addr = toc_section->output_offset + our_toc_offset;
if (head == 0)
{
head = t;
tail = t;
}
else
{
tail->next = t;
tail = t;
}
}
#ifdef COFF_IMAGE_WITH_PE
static boolean ppc_record_toc_entry
PARAMS ((bfd *, struct bfd_link_info *, asection *, int, enum toc_type));
static void ppc_mark_symbol_as_glue
PARAMS ((bfd *, int, struct internal_reloc *));
/* record a toc offset against a symbol */
static boolean
ppc_record_toc_entry(abfd, info, sec, sym, toc_kind)
bfd *abfd;
struct bfd_link_info *info ATTRIBUTE_UNUSED;
asection *sec ATTRIBUTE_UNUSED;
int sym;
enum toc_type toc_kind ATTRIBUTE_UNUSED;
{
struct ppc_coff_link_hash_entry *h;
const char *name;
int *local_syms;
h = 0;
h = (struct ppc_coff_link_hash_entry *) (obj_coff_sym_hashes (abfd)[sym]);
if (h != 0)
{
HASH_CHECK(h);
}
if (h == 0)
{
local_syms = obj_coff_local_toc_table(abfd);
if (local_syms == 0)
{
unsigned int i;
/* allocate a table */
local_syms =
(int *) bfd_zalloc (abfd,
obj_raw_syment_count(abfd) * sizeof (int));
if (local_syms == 0)
return false;
obj_coff_local_toc_table(abfd) = local_syms;
for (i = 0; i < obj_raw_syment_count(abfd); ++i)
{
SET_UNALLOCATED(local_syms[i]);
}
}
if (IS_UNALLOCATED(local_syms[sym]))
{
local_syms[sym] = global_toc_size;
global_toc_size += 4;
/* The size must fit in a 16bit displacment */
if (global_toc_size > 65535)
{
(*_bfd_error_handler) (_("TOC overflow"));
bfd_set_error (bfd_error_file_too_big);
return false;
}
}
}
else
{
name = h->root.root.root.string;
/* check to see if there's a toc slot allocated. If not, do it
here. It will be used in relocate_section */
if (IS_UNALLOCATED(h->toc_offset))
{
h->toc_offset = global_toc_size;
global_toc_size += 4;
/* The size must fit in a 16bit displacment */
if (global_toc_size >= 65535)
{
(*_bfd_error_handler) (_("TOC overflow"));
bfd_set_error (bfd_error_file_too_big);
return false;
}
}
}
return true;
}
/* record a toc offset against a symbol */
static void
ppc_mark_symbol_as_glue(abfd, sym, rel)
bfd *abfd;
int sym;
struct internal_reloc *rel;
{
struct ppc_coff_link_hash_entry *h;
h = (struct ppc_coff_link_hash_entry *) (obj_coff_sym_hashes (abfd)[sym]);
HASH_CHECK(h);
h->symbol_is_glue = 1;
h->glue_insn = bfd_get_32 (abfd, (bfd_byte *) &rel->r_vaddr);
return;
}
#endif /* COFF_IMAGE_WITH_PE */
/* Return true if this relocation should
appear in the output .reloc section. */
static boolean in_reloc_p(abfd, howto)
bfd * abfd ATTRIBUTE_UNUSED;
reloc_howto_type *howto;
{
return
(! howto->pc_relative)
&& (howto->type != IMAGE_REL_PPC_ADDR32NB)
&& (howto->type != IMAGE_REL_PPC_TOCREL16)
&& (howto->type != IMAGE_REL_PPC_IMGLUE)
&& (howto->type != IMAGE_REL_PPC_IFGLUE)
&& (howto->type != IMAGE_REL_PPC_SECREL)
&& (howto->type != IMAGE_REL_PPC_SECTION)
&& (howto->type != IMAGE_REL_PPC_SECREL16)
&& (howto->type != IMAGE_REL_PPC_REFHI)
&& (howto->type != IMAGE_REL_PPC_REFLO)
&& (howto->type != IMAGE_REL_PPC_PAIR)
&& (howto->type != IMAGE_REL_PPC_TOCREL16_DEFN) ;
}
#if 0
/* this function is in charge of performing all the ppc PE relocations */
/* Don't yet know if we want to do this this particular way ... (krk) */
/* FIXME: (it is not yet enabled) */
static bfd_reloc_status_type
pe_ppc_reloc (abfd, reloc_entry, symbol_in, data, input_section, output_bfd,
error_message)
bfd *abfd;
arelent *reloc_entry;
asymbol *symbol_in;
PTR data;
asection *input_section;
bfd *output_bfd;
char **error_message;
{
/* the consth relocation comes in two parts, we have to remember
the state between calls, in these variables */
static boolean part1_consth_active = false;
static unsigned long part1_consth_value;
unsigned long sym_value;
unsigned short r_type;
unsigned long addr = reloc_entry->address ; /*+ input_section->vma*/
r_type = reloc_entry->howto->type;
if (output_bfd)
{
/* Partial linking - do nothing */
reloc_entry->address += input_section->output_offset;
return bfd_reloc_ok;
}
if (symbol_in != NULL
&& bfd_is_und_section (symbol_in->section))
{
/* Keep the state machine happy in case we're called again */
if (r_type == IMAGE_REL_PPC_REFHI)
{
part1_consth_active = true;
part1_consth_value = 0;
}
return(bfd_reloc_undefined);
}
if ((part1_consth_active) && (r_type != IMAGE_REL_PPC_PAIR))
{
part1_consth_active = false;
*error_message = (char *) _("Missing PAIR");
return(bfd_reloc_dangerous);
}
sym_value = get_symbol_value(symbol_in);
return(bfd_reloc_ok);
}
#endif /* 0 */
/* The reloc processing routine for the optimized COFF linker. */
static boolean
coff_ppc_relocate_section (output_bfd, info, input_bfd, input_section,
contents, relocs, syms, sections)
bfd *output_bfd;
struct bfd_link_info *info;
bfd *input_bfd;
asection *input_section;
bfd_byte *contents;
struct internal_reloc *relocs;
struct internal_syment *syms;
asection **sections;
{
struct internal_reloc *rel;
struct internal_reloc *relend;
boolean hihalf;
bfd_vma hihalf_val;
asection *toc_section = 0;
bfd_vma relocation;
reloc_howto_type *howto = 0;
/* If we are performing a relocateable link, we don't need to do a
thing. The caller will take care of adjusting the reloc
addresses and symbol indices. */
if (info->relocateable)
return true;
hihalf = false;
hihalf_val = 0;
rel = relocs;
relend = rel + input_section->reloc_count;
for (; rel < relend; rel++)
{
long symndx;
struct ppc_coff_link_hash_entry *h;
struct internal_syment *sym;
bfd_vma val;
asection *sec;
bfd_reloc_status_type rstat;
bfd_byte *loc;
unsigned short r_type = EXTRACT_TYPE (rel->r_type);
unsigned short r_flags = EXTRACT_FLAGS(rel->r_type);
symndx = rel->r_symndx;
loc = contents + rel->r_vaddr - input_section->vma;
/* FIXME: check bounds on r_type */
howto = ppc_coff_howto_table + r_type;
if (symndx == -1)
{
h = NULL;
sym = NULL;
}
else
{
h = (struct ppc_coff_link_hash_entry *)
(obj_coff_sym_hashes (input_bfd)[symndx]);
if (h != 0)
{
HASH_CHECK(h);
}
sym = syms + symndx;
}
if (r_type == IMAGE_REL_PPC_IMGLUE && h == 0)
{
/* An IMGLUE reloc must have a name. Something is very wrong. */
abort ();
}
sec = NULL;
val = 0;
/* FIXME: PAIR unsupported in the following code */
if (h == NULL)
{
if (symndx == -1)
sec = bfd_abs_section_ptr;
else
{
sec = sections[symndx];
val = (sec->output_section->vma
+ sec->output_offset
+ sym->n_value);
if (! obj_pe (output_bfd))
val -= sec->vma;
}
}
else
{
HASH_CHECK(h);
if (h->root.root.type == bfd_link_hash_defined
|| h->root.root.type == bfd_link_hash_defweak)
{
sec = h->root.root.u.def.section;
val = (h->root.root.u.def.value
+ sec->output_section->vma
+ sec->output_offset);
}
else
{
if (! ((*info->callbacks->undefined_symbol)
(info, h->root.root.root.string, input_bfd, input_section,
rel->r_vaddr - input_section->vma, true)))
return false;
}
}
rstat = bfd_reloc_ok;
/* Each case must do its own relocation, setting rstat appropriately */
switch (r_type)
{
default:
(*_bfd_error_handler)
(_("%s: unsupported relocation type 0x%02x"),
bfd_get_filename (input_bfd), r_type);
bfd_set_error (bfd_error_bad_value);
return false;
case IMAGE_REL_PPC_TOCREL16:
{
bfd_vma our_toc_offset;
int fixit;
DUMP_RELOC2(howto->name, rel);
if (toc_section == 0)
{
toc_section = bfd_get_section_by_name (bfd_of_toc_owner,
TOC_SECTION_NAME);
if ( toc_section == NULL )
{
/* There is no toc section. Something is very wrong. */
abort ();
}
}
/*
* Amazing bit tricks present. As we may have seen earlier, we
* use the 1 bit to tell us whether or not a toc offset has been
* allocated. Now that they've all been allocated, we will use
* the 1 bit to tell us if we've written this particular toc
* entry out.
*/
fixit = false;
if (h == 0)
{ /* it is a file local symbol */
int *local_toc_table;
const char *name;
sym = syms + symndx;
name = sym->_n._n_name;
local_toc_table = obj_coff_local_toc_table(input_bfd);
our_toc_offset = local_toc_table[symndx];
if (IS_WRITTEN(our_toc_offset))
{
/* if it has been written out, it is marked with the
1 bit. Fix up our offset, but do not write it out
again.
*/
MAKE_ADDR_AGAIN(our_toc_offset);
}
else
{
/* write out the toc entry */
record_toc(toc_section,
our_toc_offset,
priv,
strdup(name));
bfd_put_32 (output_bfd,
val,
toc_section->contents + our_toc_offset);
MARK_AS_WRITTEN(local_toc_table[symndx]);
fixit = true;
}
}
else
{
const char *name = h->root.root.root.string;
our_toc_offset = h->toc_offset;
if ((r_flags & IMAGE_REL_PPC_TOCDEFN)
== IMAGE_REL_PPC_TOCDEFN )
{
/* This is unbelievable cheese. Some knowledgable asm
hacker has decided to use r2 as a base for loading
a value. He/She does this by setting the tocdefn bit,
and not supplying a toc definition. The behaviour is
then to use the difference between the value of the
symbol and the actual location of the toc as the toc
index.
In fact, what is usually happening is, because the
Import Address Table is mapped immediately following
the toc, some trippy library code trying for speed on
dll linkage, takes advantage of that and considers
the IAT to be part of the toc, thus saving a load.
*/
our_toc_offset = val -
(toc_section->output_section->vma +
toc_section->output_offset);
/* The size must still fit in a 16bit displacment */
if (our_toc_offset >= 65535)
{
(*_bfd_error_handler)
(_("%s: Relocation for %s of %x exceeds Toc size limit"),
bfd_get_filename (input_bfd), name, our_toc_offset);
bfd_set_error (bfd_error_bad_value);
return false;
}
record_toc(toc_section, our_toc_offset, pub, strdup(name));
}
else if (IS_WRITTEN(our_toc_offset))
{
/* if it has been written out, it is marked with the
1 bit. Fix up our offset, but do not write it out
again.
*/
MAKE_ADDR_AGAIN(our_toc_offset);
}
else
{
record_toc(toc_section, our_toc_offset, pub, strdup(name));
/* write out the toc entry */
bfd_put_32 (output_bfd,
val,
toc_section->contents + our_toc_offset);
MARK_AS_WRITTEN(h->toc_offset);
/* The tricky part is that this is the address that */
/* needs a .reloc entry for it */
fixit = true;
}
}
if (fixit && info->base_file)
{
/* So if this is non pcrelative, and is referenced
to a section or a common symbol, then it needs a reloc */
/* relocation to a symbol in a section which
isn't absolute - we output the address here
to a file */
bfd_vma addr = toc_section->output_section->vma
+ toc_section->output_offset + our_toc_offset;
if (coff_data(output_bfd)->pe)
addr -= pe_data(output_bfd)->pe_opthdr.ImageBase;
fwrite (&addr, 1,4, (FILE *) info->base_file);
}
/* FIXME: this test is conservative */
if ( (r_flags & IMAGE_REL_PPC_TOCDEFN) != IMAGE_REL_PPC_TOCDEFN &&
our_toc_offset > toc_section->_raw_size)
{
(*_bfd_error_handler)
(_("%s: Relocation exceeds allocated TOC (%x)"),
bfd_get_filename (input_bfd),
toc_section->_raw_size);
bfd_set_error (bfd_error_bad_value);
return false;
}
/* Now we know the relocation for this toc reference */
relocation = our_toc_offset + TOC_LOAD_ADJUSTMENT;
rstat = _bfd_relocate_contents (howto,
input_bfd,
relocation,
loc);
}
break;
case IMAGE_REL_PPC_IFGLUE:
{
/* To solve this, we need to know whether or not the symbol */
/* appearing on the call instruction is a glue function or not. */
/* A glue function must announce itself via a IMGLUE reloc, and */
/* the reloc contains the required toc restore instruction */
bfd_vma x;
const char *my_name;
DUMP_RELOC2(howto->name, rel);
if (h != 0)
{
my_name = h->root.root.root.string;
if (h->symbol_is_glue == 1)
{
x = bfd_get_32 (input_bfd, loc);
bfd_put_32 (input_bfd, h->glue_insn, loc);
}
}
}
break;
case IMAGE_REL_PPC_SECREL:
/* Unimplemented: codeview debugging information */
/* For fast access to the header of the section
containing the item. */
break;
case IMAGE_REL_PPC_SECTION:
/* Unimplemented: codeview debugging information */
/* Is used to indicate that the value should be relative
to the beginning of the section that contains the
symbol */
break;
case IMAGE_REL_PPC_ABSOLUTE:
{
const char *my_name;
if (h == 0)
my_name = (syms+symndx)->_n._n_name;
else
{
my_name = h->root.root.root.string;
}
fprintf (stderr,
_("Warning: unsupported reloc %s <file %s, section %s>\n"),
howto->name,
bfd_get_filename(input_bfd),
input_section->name);
fprintf (stderr,"sym %ld (%s), r_vaddr %ld (%lx)\n",
rel->r_symndx, my_name, (long) rel->r_vaddr,
(unsigned long) rel->r_vaddr);
}
break;
case IMAGE_REL_PPC_IMGLUE:
{
/* There is nothing to do now. This reloc was noted in the first
pass over the relocs, and the glue instruction extracted */
const char *my_name;
if (h->symbol_is_glue == 1)
break;
my_name = h->root.root.root.string;
(*_bfd_error_handler)
(_("%s: Out of order IMGLUE reloc for %s"),
bfd_get_filename (input_bfd), my_name);
bfd_set_error (bfd_error_bad_value);
return false;
}
case IMAGE_REL_PPC_ADDR32NB:
{
struct coff_link_hash_entry *myh = 0;
const char *name = 0;
DUMP_RELOC2(howto->name, rel);
if (strncmp(".idata$2",input_section->name,8) == 0 && first_thunk_address == 0)
{
/* set magic values */
int idata5offset;
struct coff_link_hash_entry *myh = 0;
myh = coff_link_hash_lookup (coff_hash_table (info),
"__idata5_magic__",
false, false, true);
first_thunk_address = myh->root.u.def.value +
sec->output_section->vma +
sec->output_offset -
pe_data(output_bfd)->pe_opthdr.ImageBase;
idata5offset = myh->root.u.def.value;
myh = coff_link_hash_lookup (coff_hash_table (info),
"__idata6_magic__",
false, false, true);
thunk_size = myh->root.u.def.value - idata5offset;
myh = coff_link_hash_lookup (coff_hash_table (info),
"__idata4_magic__",
false, false, true);
import_table_size = myh->root.u.def.value;
}
if (h == 0)
{ /* it is a file local symbol */
sym = syms + symndx;
name = sym->_n._n_name;
}
else
{
char *target = 0;
name = h->root.root.root.string;
if (strcmp(".idata$2", name) == 0)
target = "__idata2_magic__";
else if (strcmp(".idata$4", name) == 0)
target = "__idata4_magic__";
else if (strcmp(".idata$5", name) == 0)
target = "__idata5_magic__";
if (target != 0)
{
myh = 0;
myh = coff_link_hash_lookup (coff_hash_table (info),
target,
false, false, true);
if (myh == 0)
{
/* Missing magic cookies. Something is very wrong. */
abort ();
}
val = myh->root.u.def.value +
sec->output_section->vma + sec->output_offset;
if (first_thunk_address == 0)
{
int idata5offset;
myh = coff_link_hash_lookup (coff_hash_table (info),
"__idata5_magic__",
false, false, true);
first_thunk_address = myh->root.u.def.value +
sec->output_section->vma +
sec->output_offset -
pe_data(output_bfd)->pe_opthdr.ImageBase;
idata5offset = myh->root.u.def.value;
myh = coff_link_hash_lookup (coff_hash_table (info),
"__idata6_magic__",
false, false, true);
thunk_size = myh->root.u.def.value - idata5offset;
myh = coff_link_hash_lookup (coff_hash_table (info),
"__idata4_magic__",
false, false, true);
import_table_size = myh->root.u.def.value;
}
}
}
rstat = _bfd_relocate_contents (howto,
input_bfd,
val -
pe_data(output_bfd)->pe_opthdr.ImageBase,
loc);
}
break;
case IMAGE_REL_PPC_REL24:
DUMP_RELOC2(howto->name, rel);
val -= (input_section->output_section->vma
+ input_section->output_offset);
rstat = _bfd_relocate_contents (howto,
input_bfd,
val,
loc);
break;
case IMAGE_REL_PPC_ADDR16:
case IMAGE_REL_PPC_ADDR24:
case IMAGE_REL_PPC_ADDR32:
DUMP_RELOC2(howto->name, rel);
rstat = _bfd_relocate_contents (howto,
input_bfd,
val,
loc);
break;
}
if ( info->base_file )
{
/* So if this is non pcrelative, and is referenced
to a section or a common symbol, then it needs a reloc */
if (sym && pe_data(output_bfd)->in_reloc_p(output_bfd, howto))
{
/* relocation to a symbol in a section which
isn't absolute - we output the address here
to a file */
bfd_vma addr = rel->r_vaddr
- input_section->vma
+ input_section->output_offset
+ input_section->output_section->vma;
if (coff_data(output_bfd)->pe)
{
addr -= pe_data(output_bfd)->pe_opthdr.ImageBase;
}
fwrite (&addr, 1,4, (FILE *) info->base_file);
}
}
switch (rstat)
{
default:
abort ();
case bfd_reloc_ok:
break;
case bfd_reloc_overflow:
{
const char *name;
char buf[SYMNMLEN + 1];
if (symndx == -1)
name = "*ABS*";
else if (h != NULL)
name = h->root.root.root.string;
else if (sym == NULL)
name = "*unknown*";
else if (sym->_n._n_n._n_zeroes == 0
&& sym->_n._n_n._n_offset != 0)
name = obj_coff_strings (input_bfd) + sym->_n._n_n._n_offset;
else
{
strncpy (buf, sym->_n._n_name, SYMNMLEN);
buf[SYMNMLEN] = '\0';
name = buf;
}
if (! ((*info->callbacks->reloc_overflow)
(info, name, howto->name,
(bfd_vma) 0, input_bfd,
input_section, rel->r_vaddr - input_section->vma)))
{
return false;
}
}
}
}
return true;
}
#ifdef COFF_IMAGE_WITH_PE
/* FIXME: BFD should not use global variables. This file is compiled
twice, and these variables are shared. This is confusing and
weird. */
long int global_toc_size = 4;
bfd* bfd_of_toc_owner = 0;
long int import_table_size;
long int first_thunk_address;
long int thunk_size;
struct list_ele *head;
struct list_ele *tail;
static char *
h1 = N_("\n\t\t\tTOC MAPPING\n\n");
static char *
h2 = N_(" TOC disassembly Comments Name\n");
static char *
h3 = N_(" Offset spelling (if present)\n");
void
dump_toc (vfile)
PTR vfile;
{
FILE *file = (FILE *) vfile;
struct list_ele *t;
fprintf (file, _(h1));
fprintf (file, _(h2));
fprintf (file, _(h3));
for (t = head; t != 0; t=t->next)
{
const char *cat = "";
if (t->cat == priv)
cat = _("private ");
else if (t->cat == pub)
cat = _("public ");
else if (t->cat == data)
cat = _("data-in-toc ");
if (t->offset > global_toc_size)
{
if (t->offset <= global_toc_size + thunk_size)
cat = _("IAT reference ");
else
{
fprintf (file,
_("**** global_toc_size %ld(%lx), thunk_size %ld(%lx)\n"),
global_toc_size, global_toc_size, thunk_size, thunk_size);
cat = _("Out of bounds!");
}
}
fprintf (file,
" %04lx (%d)", (unsigned long) t->offset, t->offset - 32768);
fprintf (file,
" %s %s\n",
cat, t->name);
}
fprintf (file, "\n");
}
boolean
ppc_allocate_toc_section (info)
struct bfd_link_info *info ATTRIBUTE_UNUSED;
{
asection *s;
bfd_byte *foo;
static char test_char = '1';
if ( global_toc_size == 0 ) /* FIXME: does this get me in trouble? */
return true;
if (bfd_of_toc_owner == 0)
{
/* No toc owner? Something is very wrong. */
abort ();
}
s = bfd_get_section_by_name ( bfd_of_toc_owner , TOC_SECTION_NAME);
if (s == NULL)
{
/* No toc section? Something is very wrong. */
abort ();
}
foo = (bfd_byte *) bfd_alloc(bfd_of_toc_owner, global_toc_size);
memset(foo, test_char, global_toc_size);
s->_raw_size = s->_cooked_size = global_toc_size;
s->contents = foo;
return true;
}
boolean
ppc_process_before_allocation (abfd, info)
bfd *abfd;
struct bfd_link_info *info;
{
asection *sec;
struct internal_reloc *i, *rel;
/* here we have a bfd that is to be included on the link. We have a hook
to do reloc rummaging, before section sizes are nailed down. */
_bfd_coff_get_external_symbols(abfd);
/* rummage around all the relocs and map the toc */
sec = abfd->sections;
if (sec == 0)
{
return true;
}
for (; sec != 0; sec = sec->next)
{
if (sec->reloc_count == 0)
continue;
/* load the relocs */
/* FIXME: there may be a storage leak here */
i=_bfd_coff_read_internal_relocs(abfd,sec,1,0,0,0);
if (i == 0)
abort ();
for (rel=i;rel<i+sec->reloc_count;++rel)
{
unsigned short r_type = EXTRACT_TYPE (rel->r_type);
unsigned short r_flags = EXTRACT_FLAGS(rel->r_type);
boolean ok = true;
DUMP_RELOC2(ppc_coff_howto_table[r_type].name, rel);
switch(r_type)
{
case IMAGE_REL_PPC_TOCREL16:
/* if TOCDEFN is on, ignore as someone else has allocated the
toc entry */
if ( (r_flags & IMAGE_REL_PPC_TOCDEFN) != IMAGE_REL_PPC_TOCDEFN )
ok = ppc_record_toc_entry(abfd, info, sec,
rel->r_symndx, default_toc);
if (!ok)
return false;
break;
case IMAGE_REL_PPC_IMGLUE:
ppc_mark_symbol_as_glue(abfd, rel->r_symndx, rel);
break;
default:
break;
}
}
}
return true;
}
#endif
static bfd_reloc_status_type
ppc_refhi_reloc (abfd,
reloc_entry,
symbol,
data,
input_section,
output_bfd,
error_message)
bfd *abfd ATTRIBUTE_UNUSED;
arelent *reloc_entry ATTRIBUTE_UNUSED;
asymbol *symbol ATTRIBUTE_UNUSED;
PTR data ATTRIBUTE_UNUSED;
asection *input_section ATTRIBUTE_UNUSED;
bfd *output_bfd;
char **error_message ATTRIBUTE_UNUSED;
{
UN_IMPL("REFHI");
DUMP_RELOC("REFHI",reloc_entry);
if (output_bfd == (bfd *) NULL)
return bfd_reloc_continue;
return bfd_reloc_undefined;
}
#if 0
static bfd_reloc_status_type
ppc_reflo_reloc (abfd,
reloc_entry,
symbol,
data,
input_section,
output_bfd,
error_message)
bfd *abfd;
arelent *reloc_entry;
asymbol *symbol;
PTR data;
asection *input_section;
bfd *output_bfd;
char **error_message;
{
UN_IMPL("REFLO");
DUMP_RELOC("REFLO",reloc_entry);
if (output_bfd == (bfd *) NULL)
return bfd_reloc_continue;
return bfd_reloc_undefined;
}
#endif
static bfd_reloc_status_type
ppc_pair_reloc (abfd,
reloc_entry,
symbol,
data,
input_section,
output_bfd,
error_message)
bfd *abfd ATTRIBUTE_UNUSED;
arelent *reloc_entry ATTRIBUTE_UNUSED;
asymbol *symbol ATTRIBUTE_UNUSED;
PTR data ATTRIBUTE_UNUSED;
asection *input_section ATTRIBUTE_UNUSED;
bfd *output_bfd;
char **error_message ATTRIBUTE_UNUSED;
{
UN_IMPL("PAIR");
DUMP_RELOC("PAIR",reloc_entry);
if (output_bfd == (bfd *) NULL)
return bfd_reloc_continue;
return bfd_reloc_undefined;
}
static bfd_reloc_status_type
ppc_toc16_reloc (abfd,
reloc_entry,
symbol,
data,
input_section,
output_bfd,
error_message)
bfd *abfd ATTRIBUTE_UNUSED;
arelent *reloc_entry ATTRIBUTE_UNUSED;
asymbol *symbol ATTRIBUTE_UNUSED;
PTR data ATTRIBUTE_UNUSED;
asection *input_section ATTRIBUTE_UNUSED;
bfd *output_bfd;
char **error_message ATTRIBUTE_UNUSED;
{
UN_IMPL("TOCREL16");
DUMP_RELOC("TOCREL16",reloc_entry);
if (output_bfd == (bfd *) NULL)
{
return bfd_reloc_continue;
}
return bfd_reloc_ok;
}
#if 0
/* ADDR32NB : 32 bit address relative to the virtual origin. */
/* (On the alpha, this is always a linker generated thunk)*/
/* (i.e. 32bit addr relative to the image base) */
/* */
/* */
static bfd_reloc_status_type
ppc_addr32nb_reloc (abfd,
reloc_entry,
symbol,
data,
input_section,
output_bfd,
error_message)
bfd *abfd;
arelent *reloc_entry;
asymbol *symbol;
PTR data;
asection *input_section;
bfd *output_bfd;
char **error_message;
{
UN_IMPL("ADDR32NB");
DUMP_RELOC("ADDR32NB",reloc_entry);
return bfd_reloc_ok;
}
#endif
static bfd_reloc_status_type
ppc_secrel_reloc (abfd,
reloc_entry,
symbol,
data,
input_section,
output_bfd,
error_message)
bfd *abfd ATTRIBUTE_UNUSED;
arelent *reloc_entry ATTRIBUTE_UNUSED;
asymbol *symbol ATTRIBUTE_UNUSED;
PTR data ATTRIBUTE_UNUSED;
asection *input_section ATTRIBUTE_UNUSED;
bfd *output_bfd;
char **error_message ATTRIBUTE_UNUSED;
{
UN_IMPL("SECREL");
DUMP_RELOC("SECREL",reloc_entry);
if (output_bfd == (bfd *) NULL)
return bfd_reloc_continue;
return bfd_reloc_ok;
}
static bfd_reloc_status_type
ppc_section_reloc (abfd,
reloc_entry,
symbol,
data,
input_section,
output_bfd,
error_message)
bfd *abfd ATTRIBUTE_UNUSED;
arelent *reloc_entry ATTRIBUTE_UNUSED;
asymbol *symbol ATTRIBUTE_UNUSED;
PTR data ATTRIBUTE_UNUSED;
asection *input_section ATTRIBUTE_UNUSED;
bfd *output_bfd;
char **error_message ATTRIBUTE_UNUSED;
{
UN_IMPL("SECTION");
DUMP_RELOC("SECTION",reloc_entry);
if (output_bfd == (bfd *) NULL)
return bfd_reloc_continue;
return bfd_reloc_ok;
}
static bfd_reloc_status_type
ppc_imglue_reloc (abfd,
reloc_entry,
symbol,
data,
input_section,
output_bfd,
error_message)
bfd *abfd ATTRIBUTE_UNUSED;
arelent *reloc_entry ATTRIBUTE_UNUSED;
asymbol *symbol ATTRIBUTE_UNUSED;
PTR data ATTRIBUTE_UNUSED;
asection *input_section ATTRIBUTE_UNUSED;
bfd *output_bfd;
char **error_message ATTRIBUTE_UNUSED;
{
UN_IMPL("IMGLUE");
DUMP_RELOC("IMGLUE",reloc_entry);
if (output_bfd == (bfd *) NULL)
return bfd_reloc_continue;
return bfd_reloc_ok;
}
#define MAX_RELOC_INDEX \
(sizeof (ppc_coff_howto_table) / sizeof (ppc_coff_howto_table[0]) - 1)
/* FIXME: There is a possiblity that when we read in a reloc from a file,
that there are some bits encoded in the upper portion of the
type field. Not yet implemented.
*/
static void ppc_coff_rtype2howto PARAMS ((arelent *relent,
struct internal_reloc *internal));
static void
ppc_coff_rtype2howto (relent, internal)
arelent *relent;
struct internal_reloc *internal;
{
/* We can encode one of three things in the type field, aside from the
type:
1. IMAGE_REL_PPC_NEG - indicates the value field is a subtraction
value, rather than an addition value
2. IMAGE_REL_PPC_BRTAKEN, IMAGE_REL_PPC_BRNTAKEN - indicates that
the branch is expected to be taken or not.
3. IMAGE_REL_PPC_TOCDEFN - toc slot definition in the file
For now, we just strip this stuff to find the type, and ignore it other
than that.
*/
reloc_howto_type *howto;
unsigned short r_type = EXTRACT_TYPE (internal->r_type);
unsigned short r_flags = EXTRACT_FLAGS(internal->r_type);
unsigned short junk = EXTRACT_JUNK (internal->r_type);
/* the masking process only slices off the bottom byte for r_type. */
if ( r_type > MAX_RELOC_INDEX )
abort ();
/* check for absolute crap */
if ( junk != 0 )
abort ();
switch(r_type)
{
case IMAGE_REL_PPC_ADDR16:
case IMAGE_REL_PPC_REL24:
case IMAGE_REL_PPC_ADDR24:
case IMAGE_REL_PPC_ADDR32:
case IMAGE_REL_PPC_IFGLUE:
case IMAGE_REL_PPC_ADDR32NB:
case IMAGE_REL_PPC_SECTION:
case IMAGE_REL_PPC_SECREL:
DUMP_RELOC2(ppc_coff_howto_table[r_type].name, internal);
howto = ppc_coff_howto_table + r_type;
break;
case IMAGE_REL_PPC_IMGLUE:
DUMP_RELOC2(ppc_coff_howto_table[r_type].name, internal);
howto = ppc_coff_howto_table + r_type;
break;
case IMAGE_REL_PPC_TOCREL16:
DUMP_RELOC2(ppc_coff_howto_table[r_type].name, internal);
if (r_flags & IMAGE_REL_PPC_TOCDEFN)
howto = ppc_coff_howto_table + IMAGE_REL_PPC_TOCREL16_DEFN;
else
howto = ppc_coff_howto_table + IMAGE_REL_PPC_TOCREL16;
break;
default:
fprintf (stderr,
_("Warning: Unsupported reloc %s [%d] used -- it may not work.\n"),
ppc_coff_howto_table[r_type].name,
r_type);
howto = ppc_coff_howto_table + r_type;
break;
}
relent->howto = howto;
}
static reloc_howto_type *
coff_ppc_rtype_to_howto (abfd, sec, rel, h, sym, addendp)
bfd *abfd ATTRIBUTE_UNUSED;
asection *sec;
struct internal_reloc *rel;
struct coff_link_hash_entry *h ATTRIBUTE_UNUSED;
struct internal_syment *sym ATTRIBUTE_UNUSED;
bfd_vma *addendp;
{
reloc_howto_type *howto;
/* We can encode one of three things in the type field, aside from the
type:
1. IMAGE_REL_PPC_NEG - indicates the value field is a subtraction
value, rather than an addition value
2. IMAGE_REL_PPC_BRTAKEN, IMAGE_REL_PPC_BRNTAKEN - indicates that
the branch is expected to be taken or not.
3. IMAGE_REL_PPC_TOCDEFN - toc slot definition in the file
For now, we just strip this stuff to find the type, and ignore it other
than that.
*/
unsigned short r_type = EXTRACT_TYPE (rel->r_type);
unsigned short r_flags = EXTRACT_FLAGS(rel->r_type);
unsigned short junk = EXTRACT_JUNK (rel->r_type);
/* the masking process only slices off the bottom byte for r_type. */
if ( r_type > MAX_RELOC_INDEX )
abort ();
/* check for absolute crap */
if ( junk != 0 )
abort ();
switch(r_type)
{
case IMAGE_REL_PPC_ADDR32NB:
DUMP_RELOC2(ppc_coff_howto_table[r_type].name, rel);
*addendp -= pe_data(sec->output_section->owner)->pe_opthdr.ImageBase;
howto = ppc_coff_howto_table + r_type;
break;
case IMAGE_REL_PPC_TOCREL16:
DUMP_RELOC2(ppc_coff_howto_table[r_type].name, rel);
if (r_flags & IMAGE_REL_PPC_TOCDEFN)
howto = ppc_coff_howto_table + IMAGE_REL_PPC_TOCREL16_DEFN;
else
howto = ppc_coff_howto_table + IMAGE_REL_PPC_TOCREL16;
break;
case IMAGE_REL_PPC_ADDR16:
case IMAGE_REL_PPC_REL24:
case IMAGE_REL_PPC_ADDR24:
case IMAGE_REL_PPC_ADDR32:
case IMAGE_REL_PPC_IFGLUE:
case IMAGE_REL_PPC_SECTION:
case IMAGE_REL_PPC_SECREL:
DUMP_RELOC2(ppc_coff_howto_table[r_type].name, rel);
howto = ppc_coff_howto_table + r_type;
break;
case IMAGE_REL_PPC_IMGLUE:
DUMP_RELOC2(ppc_coff_howto_table[r_type].name, rel);
howto = ppc_coff_howto_table + r_type;
break;
default:
fprintf (stderr,
_("Warning: Unsupported reloc %s [%d] used -- it may not work.\n"),
ppc_coff_howto_table[r_type].name,
r_type);
howto = ppc_coff_howto_table + r_type;
break;
}
return howto;
}
/* a cheesy little macro to make the code a little more readable */
#define HOW2MAP(bfd_rtype,ppc_rtype) \
case bfd_rtype: return &ppc_coff_howto_table[ppc_rtype]
static reloc_howto_type *ppc_coff_reloc_type_lookup
PARAMS ((bfd *, bfd_reloc_code_real_type));
static reloc_howto_type *
ppc_coff_reloc_type_lookup (abfd, code)
bfd *abfd ATTRIBUTE_UNUSED;
bfd_reloc_code_real_type code;
{
switch (code)
{
HOW2MAP(BFD_RELOC_32_GOTOFF, IMAGE_REL_PPC_IMGLUE);
HOW2MAP(BFD_RELOC_16_GOT_PCREL, IMAGE_REL_PPC_IFGLUE);
HOW2MAP(BFD_RELOC_16, IMAGE_REL_PPC_ADDR16);
HOW2MAP(BFD_RELOC_PPC_B26, IMAGE_REL_PPC_REL24);
HOW2MAP(BFD_RELOC_PPC_BA26, IMAGE_REL_PPC_ADDR24);
HOW2MAP(BFD_RELOC_PPC_TOC16, IMAGE_REL_PPC_TOCREL16);
HOW2MAP(BFD_RELOC_16_GOTOFF, IMAGE_REL_PPC_TOCREL16_DEFN);
HOW2MAP(BFD_RELOC_32, IMAGE_REL_PPC_ADDR32);
HOW2MAP(BFD_RELOC_RVA, IMAGE_REL_PPC_ADDR32NB);
default:
return NULL;
}
/*NOTREACHED*/
}
#undef HOW2MAP
/* Tailor coffcode.h -- macro heaven. */
#define RTYPE2HOWTO(cache_ptr, dst) ppc_coff_rtype2howto (cache_ptr, dst)
#ifndef COFF_IMAGE_WITH_PE
static void ppc_coff_swap_sym_in_hook PARAMS ((bfd *, PTR, PTR));
#endif
/* We use the special COFF backend linker, with our own special touch. */
#define coff_bfd_reloc_type_lookup ppc_coff_reloc_type_lookup
#define coff_rtype_to_howto coff_ppc_rtype_to_howto
#define coff_relocate_section coff_ppc_relocate_section
#define coff_bfd_final_link ppc_bfd_coff_final_link
#ifndef COFF_IMAGE_WITH_PE
/* FIXME: This no longer works. */
#define coff_swap_sym_in_hook ppc_coff_swap_sym_in_hook
#endif
#define SELECT_RELOC(internal, howto) {internal.r_type=howto->type;}
#define COFF_PAGE_SIZE 0x1000
/* FIXME: This controls some code that used to be in peicode.h and is
now in peigen.c. It will not control the code in peigen.c. If
anybody wants to get this working, you will need to fix that. */
#define POWERPC_LE_PE
#define COFF_SECTION_ALIGNMENT_ENTRIES \
{ COFF_SECTION_NAME_EXACT_MATCH (".idata$2"), \
COFF_ALIGNMENT_FIELD_EMPTY, COFF_ALIGNMENT_FIELD_EMPTY, 0 }, \
{ COFF_SECTION_NAME_EXACT_MATCH (".idata$3"), \
COFF_ALIGNMENT_FIELD_EMPTY, COFF_ALIGNMENT_FIELD_EMPTY, 0 }, \
{ COFF_SECTION_NAME_EXACT_MATCH (".idata$4"), \
COFF_ALIGNMENT_FIELD_EMPTY, COFF_ALIGNMENT_FIELD_EMPTY, 2 }, \
{ COFF_SECTION_NAME_EXACT_MATCH (".idata$5"), \
COFF_ALIGNMENT_FIELD_EMPTY, COFF_ALIGNMENT_FIELD_EMPTY, 2 }, \
{ COFF_SECTION_NAME_EXACT_MATCH (".idata$6"), \
COFF_ALIGNMENT_FIELD_EMPTY, COFF_ALIGNMENT_FIELD_EMPTY, 1 }, \
{ COFF_SECTION_NAME_EXACT_MATCH (".reloc"), \
COFF_ALIGNMENT_FIELD_EMPTY, COFF_ALIGNMENT_FIELD_EMPTY, 1 }
#include "coffcode.h"
#ifndef COFF_IMAGE_WITH_PE
/* FIXME:
What we're trying to do here is allocate a toc section (early), and attach
it to the last bfd to be processed. This avoids the problem of having a toc
written out before all files have been processed. This code allocates
a toc section for every file, and records the last one seen. There are
at least two problems with this approach:
1. We allocate whole bunches of toc sections that are ignored, but at
at least we will not allocate a toc if no .toc is present.
2. It's not clear to me that being the last bfd read necessarily means
that you are the last bfd closed.
3. Doing it on a "swap in" hook depends on when the "swap in" is called,
and how often, etc. It's not clear to me that there isn't a hole here.
*/
static void
ppc_coff_swap_sym_in_hook (abfd, ext1, in1)
bfd *abfd;
PTR ext1 ATTRIBUTE_UNUSED;
PTR in1;
{
struct internal_syment *in = (struct internal_syment *)in1;
if (bfd_of_toc_owner != 0) /* we already have a toc, so go home */
return;
if (strcmp(in->_n._n_name, ".toc") == 0)
{
flagword flags;
register asection *s;
s = bfd_get_section_by_name ( abfd , TOC_SECTION_NAME);
if (s != NULL)
{
return;
}
flags = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY ;
s = bfd_make_section (abfd, TOC_SECTION_NAME);
if (s == NULL
|| !bfd_set_section_flags (abfd, s, flags)
|| !bfd_set_section_alignment (abfd, s, 2))
{
/* FIXME: set appropriate bfd error */
abort ();
}
/* save the bfd for later allocation */
bfd_of_toc_owner = abfd;
}
return;
}
#endif
#ifndef COFF_IMAGE_WITH_PE
static boolean ppc_do_last PARAMS ((bfd *));
static bfd *ppc_get_last PARAMS ((void));
static boolean
ppc_do_last (abfd)
bfd *abfd;
{
if (abfd == bfd_of_toc_owner)
return true;
else
return false;
}
static bfd *
ppc_get_last()
{
return bfd_of_toc_owner;
}
/* this piece of machinery exists only to guarantee that the bfd that holds
the toc section is written last.
This does depend on bfd_make_section attaching a new section to the
end of the section list for the bfd.
This is otherwise intended to be functionally the same as
cofflink.c:_bfd_coff_final_link(). It is specifically different only
where the POWERPC_LE_PE macro modifies the code. It is left in as a
precise form of comment. krk@cygnus.com
*/
/* Do the final link step. */
boolean
ppc_bfd_coff_final_link (abfd, info)
bfd *abfd;
struct bfd_link_info *info;
{
bfd_size_type symesz;
struct coff_final_link_info finfo;
boolean debug_merge_allocated;
asection *o;
struct bfd_link_order *p;
size_t max_sym_count;
size_t max_lineno_count;
size_t max_reloc_count;
size_t max_output_reloc_count;
size_t max_contents_size;
file_ptr rel_filepos;
unsigned int relsz;
file_ptr line_filepos;
unsigned int linesz;
bfd *sub;
bfd_byte *external_relocs = NULL;
char strbuf[STRING_SIZE_SIZE];
symesz = bfd_coff_symesz (abfd);
finfo.info = info;
finfo.output_bfd = abfd;
finfo.strtab = NULL;
finfo.section_info = NULL;
finfo.last_file_index = -1;
finfo.last_bf_index = -1;
finfo.internal_syms = NULL;
finfo.sec_ptrs = NULL;
finfo.sym_indices = NULL;
finfo.outsyms = NULL;
finfo.linenos = NULL;
finfo.contents = NULL;
finfo.external_relocs = NULL;
finfo.internal_relocs = NULL;
debug_merge_allocated = false;
coff_data (abfd)->link_info = info;
finfo.strtab = _bfd_stringtab_init ();
if (finfo.strtab == NULL)
goto error_return;
if (! coff_debug_merge_hash_table_init (&finfo.debug_merge))
goto error_return;
debug_merge_allocated = true;
/* Compute the file positions for all the sections. */
if (! abfd->output_has_begun)
{
if (! bfd_coff_compute_section_file_positions (abfd))
return false;
}
/* Count the line numbers and relocation entries required for the
output file. Set the file positions for the relocs. */
rel_filepos = obj_relocbase (abfd);
relsz = bfd_coff_relsz (abfd);
max_contents_size = 0;
max_lineno_count = 0;
max_reloc_count = 0;
for (o = abfd->sections; o != NULL; o = o->next)
{
o->reloc_count = 0;
o->lineno_count = 0;
for (p = o->link_order_head; p != NULL; p = p->next)
{
if (p->type == bfd_indirect_link_order)
{
asection *sec;
sec = p->u.indirect.section;
/* Mark all sections which are to be included in the
link. This will normally be every section. We need
to do this so that we can identify any sections which
the linker has decided to not include. */
sec->linker_mark = true;
if (info->strip == strip_none
|| info->strip == strip_some)
o->lineno_count += sec->lineno_count;
if (info->relocateable)
o->reloc_count += sec->reloc_count;
if (sec->_raw_size > max_contents_size)
max_contents_size = sec->_raw_size;
if (sec->lineno_count > max_lineno_count)
max_lineno_count = sec->lineno_count;
if (sec->reloc_count > max_reloc_count)
max_reloc_count = sec->reloc_count;
}
else if (info->relocateable
&& (p->type == bfd_section_reloc_link_order
|| p->type == bfd_symbol_reloc_link_order))
++o->reloc_count;
}
if (o->reloc_count == 0)
o->rel_filepos = 0;
else
{
o->flags |= SEC_RELOC;
o->rel_filepos = rel_filepos;
rel_filepos += o->reloc_count * relsz;
}
}
/* If doing a relocateable link, allocate space for the pointers we
need to keep. */
if (info->relocateable)
{
unsigned int i;
/* We use section_count + 1, rather than section_count, because
the target_index fields are 1 based. */
finfo.section_info =
((struct coff_link_section_info *)
bfd_malloc ((abfd->section_count + 1)
* sizeof (struct coff_link_section_info)));
if (finfo.section_info == NULL)
goto error_return;
for (i = 0; i <= abfd->section_count; i++)
{
finfo.section_info[i].relocs = NULL;
finfo.section_info[i].rel_hashes = NULL;
}
}
/* We now know the size of the relocs, so we can determine the file
positions of the line numbers. */
line_filepos = rel_filepos;
linesz = bfd_coff_linesz (abfd);
max_output_reloc_count = 0;
for (o = abfd->sections; o != NULL; o = o->next)
{
if (o->lineno_count == 0)
o->line_filepos = 0;
else
{
o->line_filepos = line_filepos;
line_filepos += o->lineno_count * linesz;
}
if (o->reloc_count != 0)
{
/* We don't know the indices of global symbols until we have
written out all the local symbols. For each section in
the output file, we keep an array of pointers to hash
table entries. Each entry in the array corresponds to a
reloc. When we find a reloc against a global symbol, we
set the corresponding entry in this array so that we can
fix up the symbol index after we have written out all the
local symbols.
Because of this problem, we also keep the relocs in
memory until the end of the link. This wastes memory,
but only when doing a relocateable link, which is not the
common case. */
BFD_ASSERT (info->relocateable);
finfo.section_info[o->target_index].relocs =
((struct internal_reloc *)
bfd_malloc (o->reloc_count * sizeof (struct internal_reloc)));
finfo.section_info[o->target_index].rel_hashes =
((struct coff_link_hash_entry **)
bfd_malloc (o->reloc_count
* sizeof (struct coff_link_hash_entry *)));
if (finfo.section_info[o->target_index].relocs == NULL
|| finfo.section_info[o->target_index].rel_hashes == NULL)
goto error_return;
if (o->reloc_count > max_output_reloc_count)
max_output_reloc_count = o->reloc_count;
}
/* Reset the reloc and lineno counts, so that we can use them to
count the number of entries we have output so far. */
o->reloc_count = 0;
o->lineno_count = 0;
}
obj_sym_filepos (abfd) = line_filepos;
/* Figure out the largest number of symbols in an input BFD. Take
the opportunity to clear the output_has_begun fields of all the
input BFD's. */
max_sym_count = 0;
for (sub = info->input_bfds; sub != NULL; sub = sub->link_next)
{
size_t sz;
sub->output_has_begun = false;
sz = obj_raw_syment_count (sub);
if (sz > max_sym_count)
max_sym_count = sz;
}
/* Allocate some buffers used while linking. */
finfo.internal_syms = ((struct internal_syment *)
bfd_malloc (max_sym_count
* sizeof (struct internal_syment)));
finfo.sec_ptrs = (asection **) bfd_malloc (max_sym_count
* sizeof (asection *));
finfo.sym_indices = (long *) bfd_malloc (max_sym_count * sizeof (long));
finfo.outsyms = ((bfd_byte *)
bfd_malloc ((size_t) ((max_sym_count + 1) * symesz)));
finfo.linenos = (bfd_byte *) bfd_malloc (max_lineno_count
* bfd_coff_linesz (abfd));
finfo.contents = (bfd_byte *) bfd_malloc (max_contents_size);
finfo.external_relocs = (bfd_byte *) bfd_malloc (max_reloc_count * relsz);
if (! info->relocateable)
finfo.internal_relocs = ((struct internal_reloc *)
bfd_malloc (max_reloc_count
* sizeof (struct internal_reloc)));
if ((finfo.internal_syms == NULL && max_sym_count > 0)
|| (finfo.sec_ptrs == NULL && max_sym_count > 0)
|| (finfo.sym_indices == NULL && max_sym_count > 0)
|| finfo.outsyms == NULL
|| (finfo.linenos == NULL && max_lineno_count > 0)
|| (finfo.contents == NULL && max_contents_size > 0)
|| (finfo.external_relocs == NULL && max_reloc_count > 0)
|| (! info->relocateable
&& finfo.internal_relocs == NULL
&& max_reloc_count > 0))
goto error_return;
/* We now know the position of everything in the file, except that
we don't know the size of the symbol table and therefore we don't
know where the string table starts. We just build the string
table in memory as we go along. We process all the relocations
for a single input file at once. */
obj_raw_syment_count (abfd) = 0;
if (coff_backend_info (abfd)->_bfd_coff_start_final_link)
{
if (! bfd_coff_start_final_link (abfd, info))
goto error_return;
}
for (o = abfd->sections; o != NULL; o = o->next)
{
for (p = o->link_order_head; p != NULL; p = p->next)
{
if (p->type == bfd_indirect_link_order
&& (bfd_get_flavour (p->u.indirect.section->owner)
== bfd_target_coff_flavour))
{
sub = p->u.indirect.section->owner;
#ifdef POWERPC_LE_PE
if (! sub->output_has_begun && !ppc_do_last(sub))
#else
if (! sub->output_has_begun)
#endif
{
if (! _bfd_coff_link_input_bfd (&finfo, sub))
goto error_return;
sub->output_has_begun = true;
}
}
else if (p->type == bfd_section_reloc_link_order
|| p->type == bfd_symbol_reloc_link_order)
{
if (! _bfd_coff_reloc_link_order (abfd, &finfo, o, p))
goto error_return;
}
else
{
if (! _bfd_default_link_order (abfd, info, o, p))
goto error_return;
}
}
}
#ifdef POWERPC_LE_PE
{
bfd* last_one = ppc_get_last();
if (last_one)
{
if (! _bfd_coff_link_input_bfd (&finfo, last_one))
goto error_return;
}
last_one->output_has_begun = true;
}
#endif
/* Free up the buffers used by _bfd_coff_link_input_bfd. */
coff_debug_merge_hash_table_free (&finfo.debug_merge);
debug_merge_allocated = false;
if (finfo.internal_syms != NULL)
{
free (finfo.internal_syms);
finfo.internal_syms = NULL;
}
if (finfo.sec_ptrs != NULL)
{
free (finfo.sec_ptrs);
finfo.sec_ptrs = NULL;
}
if (finfo.sym_indices != NULL)
{
free (finfo.sym_indices);
finfo.sym_indices = NULL;
}
if (finfo.linenos != NULL)
{
free (finfo.linenos);
finfo.linenos = NULL;
}
if (finfo.contents != NULL)
{
free (finfo.contents);
finfo.contents = NULL;
}
if (finfo.external_relocs != NULL)
{
free (finfo.external_relocs);
finfo.external_relocs = NULL;
}
if (finfo.internal_relocs != NULL)
{
free (finfo.internal_relocs);
finfo.internal_relocs = NULL;
}
/* The value of the last C_FILE symbol is supposed to be the symbol
index of the first external symbol. Write it out again if
necessary. */
if (finfo.last_file_index != -1
&& (unsigned int) finfo.last_file.n_value != obj_raw_syment_count (abfd))
{
finfo.last_file.n_value = obj_raw_syment_count (abfd);
bfd_coff_swap_sym_out (abfd, (PTR) &finfo.last_file,
(PTR) finfo.outsyms);
if (bfd_seek (abfd,
(obj_sym_filepos (abfd)
+ finfo.last_file_index * symesz),
SEEK_SET) != 0
|| bfd_write (finfo.outsyms, symesz, 1, abfd) != symesz)
return false;
}
/* Write out the global symbols. */
finfo.failed = false;
coff_link_hash_traverse (coff_hash_table (info), _bfd_coff_write_global_sym,
(PTR) &finfo);
if (finfo.failed)
goto error_return;
/* The outsyms buffer is used by _bfd_coff_write_global_sym. */
if (finfo.outsyms != NULL)
{
free (finfo.outsyms);
finfo.outsyms = NULL;
}
if (info->relocateable)
{
/* Now that we have written out all the global symbols, we know
the symbol indices to use for relocs against them, and we can
finally write out the relocs. */
external_relocs = ((bfd_byte *)
bfd_malloc (max_output_reloc_count * relsz));
if (external_relocs == NULL)
goto error_return;
for (o = abfd->sections; o != NULL; o = o->next)
{
struct internal_reloc *irel;
struct internal_reloc *irelend;
struct coff_link_hash_entry **rel_hash;
bfd_byte *erel;
if (o->reloc_count == 0)
continue;
irel = finfo.section_info[o->target_index].relocs;
irelend = irel + o->reloc_count;
rel_hash = finfo.section_info[o->target_index].rel_hashes;
erel = external_relocs;
for (; irel < irelend; irel++, rel_hash++, erel += relsz)
{
if (*rel_hash != NULL)
{
BFD_ASSERT ((*rel_hash)->indx >= 0);
irel->r_symndx = (*rel_hash)->indx;
}
bfd_coff_swap_reloc_out (abfd, (PTR) irel, (PTR) erel);
}
if (bfd_seek (abfd, o->rel_filepos, SEEK_SET) != 0
|| bfd_write ((PTR) external_relocs, relsz, o->reloc_count,
abfd) != relsz * o->reloc_count)
goto error_return;
}
free (external_relocs);
external_relocs = NULL;
}
/* Free up the section information. */
if (finfo.section_info != NULL)
{
unsigned int i;
for (i = 0; i < abfd->section_count; i++)
{
if (finfo.section_info[i].relocs != NULL)
free (finfo.section_info[i].relocs);
if (finfo.section_info[i].rel_hashes != NULL)
free (finfo.section_info[i].rel_hashes);
}
free (finfo.section_info);
finfo.section_info = NULL;
}
/* If we have optimized stabs strings, output them. */
if (coff_hash_table (info)->stab_info != NULL)
{
if (! _bfd_write_stab_strings (abfd, &coff_hash_table (info)->stab_info))
return false;
}
/* Write out the string table. */
if (obj_raw_syment_count (abfd) != 0)
{
if (bfd_seek (abfd,
(obj_sym_filepos (abfd)
+ obj_raw_syment_count (abfd) * symesz),
SEEK_SET) != 0)
return false;
#if STRING_SIZE_SIZE == 4
bfd_h_put_32 (abfd,
_bfd_stringtab_size (finfo.strtab) + STRING_SIZE_SIZE,
(bfd_byte *) strbuf);
#else
#error Change bfd_h_put_32
#endif
if (bfd_write (strbuf, 1, STRING_SIZE_SIZE, abfd) != STRING_SIZE_SIZE)
return false;
if (! _bfd_stringtab_emit (abfd, finfo.strtab))
return false;
}
_bfd_stringtab_free (finfo.strtab);
/* Setting bfd_get_symcount to 0 will cause write_object_contents to
not try to write out the symbols. */
bfd_get_symcount (abfd) = 0;
return true;
error_return:
if (debug_merge_allocated)
coff_debug_merge_hash_table_free (&finfo.debug_merge);
if (finfo.strtab != NULL)
_bfd_stringtab_free (finfo.strtab);
if (finfo.section_info != NULL)
{
unsigned int i;
for (i = 0; i < abfd->section_count; i++)
{
if (finfo.section_info[i].relocs != NULL)
free (finfo.section_info[i].relocs);
if (finfo.section_info[i].rel_hashes != NULL)
free (finfo.section_info[i].rel_hashes);
}
free (finfo.section_info);
}
if (finfo.internal_syms != NULL)
free (finfo.internal_syms);
if (finfo.sec_ptrs != NULL)
free (finfo.sec_ptrs);
if (finfo.sym_indices != NULL)
free (finfo.sym_indices);
if (finfo.outsyms != NULL)
free (finfo.outsyms);
if (finfo.linenos != NULL)
free (finfo.linenos);
if (finfo.contents != NULL)
free (finfo.contents);
if (finfo.external_relocs != NULL)
free (finfo.external_relocs);
if (finfo.internal_relocs != NULL)
free (finfo.internal_relocs);
if (external_relocs != NULL)
free (external_relocs);
return false;
}
#endif
/* Forward declaration for use by alternative_target field. */
#ifdef TARGET_BIG_SYM
extern const bfd_target TARGET_BIG_SYM;
#endif
/* The transfer vectors that lead the outside world to all of the above. */
#ifdef TARGET_LITTLE_SYM
const bfd_target TARGET_LITTLE_SYM =
{
TARGET_LITTLE_NAME, /* name or coff-arm-little */
bfd_target_coff_flavour,
BFD_ENDIAN_LITTLE, /* data byte order is little */
BFD_ENDIAN_LITTLE, /* header byte order is little */
(HAS_RELOC | EXEC_P | /* FIXME: object flags */
HAS_LINENO | HAS_DEBUG |
HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
#ifndef COFF_WITH_PE
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
#else
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC /* section flags */
| SEC_LINK_ONCE | SEC_LINK_DUPLICATES),
#endif
0, /* leading char */
'/', /* ar_pad_char */
15, /* ar_max_namelen??? FIXMEmgo */
bfd_getl64, bfd_getl_signed_64, bfd_putl64,
bfd_getl32, bfd_getl_signed_32, bfd_putl32,
bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */
bfd_getl64, bfd_getl_signed_64, bfd_putl64,
bfd_getl32, bfd_getl_signed_32, bfd_putl32,
bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */
{_bfd_dummy_target, coff_object_p, /* bfd_check_format */
bfd_generic_archive_p, /* _bfd_dummy_target */ coff_object_p },
{bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */
bfd_false},
{bfd_false, coff_write_object_contents, /* bfd_write_contents */
_bfd_write_archive_contents, bfd_false},
BFD_JUMP_TABLE_GENERIC (coff),
BFD_JUMP_TABLE_COPY (coff),
BFD_JUMP_TABLE_CORE (_bfd_nocore),
BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
BFD_JUMP_TABLE_SYMBOLS (coff),
BFD_JUMP_TABLE_RELOCS (coff),
BFD_JUMP_TABLE_WRITE (coff),
BFD_JUMP_TABLE_LINK (coff),
BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
/* Alternative_target. */
#ifdef TARGET_BIG_SYM
& TARGET_BIG_SYM,
#else
NULL,
#endif
COFF_SWAP_TABLE
};
#endif
#ifdef TARGET_BIG_SYM
const bfd_target TARGET_BIG_SYM =
{
TARGET_BIG_NAME,
bfd_target_coff_flavour,
BFD_ENDIAN_BIG, /* data byte order is big */
BFD_ENDIAN_BIG, /* header byte order is big */
(HAS_RELOC | EXEC_P | /* FIXME: object flags */
HAS_LINENO | HAS_DEBUG |
HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
#ifndef COFF_WITH_PE
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
#else
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC /* section flags */
| SEC_LINK_ONCE | SEC_LINK_DUPLICATES),
#endif
0, /* leading char */
'/', /* ar_pad_char */
15, /* ar_max_namelen??? FIXMEmgo */
bfd_getb64, bfd_getb_signed_64, bfd_putb64,
bfd_getb32, bfd_getb_signed_32, bfd_putb32,
bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */
bfd_getb64, bfd_getb_signed_64, bfd_putb64,
bfd_getb32, bfd_getb_signed_32, bfd_putb32,
bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */
{_bfd_dummy_target, coff_object_p, /* bfd_check_format */
bfd_generic_archive_p, /* _bfd_dummy_target */ coff_object_p },
{bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */
bfd_false},
{bfd_false, coff_write_object_contents, /* bfd_write_contents */
_bfd_write_archive_contents, bfd_false},
BFD_JUMP_TABLE_GENERIC (coff),
BFD_JUMP_TABLE_COPY (coff),
BFD_JUMP_TABLE_CORE (_bfd_nocore),
BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
BFD_JUMP_TABLE_SYMBOLS (coff),
BFD_JUMP_TABLE_RELOCS (coff),
BFD_JUMP_TABLE_WRITE (coff),
BFD_JUMP_TABLE_LINK (coff),
BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
/* Alternative_target. */
#ifdef TARGET_LITTLE_SYM
& TARGET_LITTLE_SYM,
#else
NULL,
#endif
COFF_SWAP_TABLE
};
#endif
|