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
2941
2942
2943
2944
2945
2946
2947
2948
2949
2950
2951
2952
2953
2954
2955
2956
2957
2958
2959
2960
2961
2962
2963
2964
2965
2966
2967
2968
2969
2970
2971
2972
2973
2974
2975
2976
2977
2978
2979
2980
2981
2982
2983
2984
2985
2986
2987
2988
2989
2990
2991
2992
2993
2994
2995
2996
2997
2998
2999
3000
3001
3002
3003
3004
3005
3006
3007
3008
3009
3010
3011
3012
3013
3014
3015
3016
3017
3018
3019
3020
3021
3022
3023
3024
3025
3026
3027
3028
3029
3030
3031
3032
3033
3034
3035
3036
3037
3038
3039
3040
3041
3042
3043
3044
3045
3046
3047
3048
3049
3050
3051
3052
3053
3054
3055
3056
3057
3058
3059
3060
3061
3062
3063
3064
3065
3066
3067
3068
3069
3070
3071
3072
3073
3074
3075
3076
3077
3078
3079
3080
3081
3082
3083
3084
3085
3086
3087
3088
3089
3090
3091
3092
3093
3094
3095
3096
3097
3098
3099
3100
3101
3102
3103
3104
3105
3106
3107
3108
3109
3110
3111
3112
3113
3114
3115
3116
3117
3118
3119
3120
3121
3122
3123
3124
3125
3126
3127
3128
3129
3130
3131
3132
3133
3134
3135
3136
3137
3138
3139
3140
3141
3142
3143
3144
3145
3146
3147
3148
3149
3150
3151
3152
3153
3154
3155
3156
3157
3158
3159
3160
3161
3162
3163
3164
3165
3166
3167
3168
3169
3170
3171
3172
3173
3174
3175
3176
3177
3178
3179
3180
3181
3182
3183
3184
3185
3186
3187
3188
3189
3190
3191
3192
3193
3194
3195
3196
3197
3198
3199
3200
3201
3202
3203
3204
3205
3206
3207
3208
3209
3210
3211
3212
3213
3214
3215
3216
3217
3218
3219
3220
3221
3222
3223
3224
3225
3226
3227
3228
3229
3230
3231
3232
3233
3234
3235
3236
3237
3238
3239
3240
3241
3242
3243
3244
3245
3246
3247
3248
3249
3250
3251
3252
3253
3254
3255
3256
3257
3258
3259
3260
3261
3262
3263
3264
3265
3266
3267
3268
3269
3270
3271
3272
3273
3274
3275
3276
3277
3278
3279
3280
3281
3282
3283
3284
3285
3286
3287
3288
3289
3290
3291
3292
3293
3294
3295
3296
3297
3298
3299
3300
3301
3302
3303
3304
3305
3306
3307
3308
3309
3310
3311
3312
3313
3314
3315
3316
3317
3318
3319
3320
3321
3322
3323
3324
3325
3326
3327
3328
3329
3330
3331
3332
3333
3334
3335
3336
3337
3338
3339
3340
3341
3342
3343
3344
3345
3346
3347
3348
3349
3350
3351
3352
3353
3354
3355
3356
3357
3358
3359
3360
3361
3362
3363
3364
3365
3366
3367
3368
3369
3370
3371
3372
3373
3374
3375
3376
3377
3378
3379
3380
3381
3382
3383
3384
3385
3386
3387
3388
3389
3390
3391
3392
3393
3394
3395
3396
3397
3398
3399
3400
3401
3402
3403
3404
3405
3406
3407
3408
3409
3410
3411
3412
3413
3414
3415
3416
3417
3418
3419
3420
3421
3422
3423
3424
3425
3426
3427
3428
3429
3430
3431
3432
3433
3434
3435
3436
3437
3438
3439
3440
3441
3442
3443
3444
3445
3446
3447
3448
3449
3450
3451
3452
3453
3454
3455
3456
3457
3458
3459
3460
3461
3462
3463
3464
3465
3466
3467
3468
3469
3470
3471
3472
3473
3474
3475
3476
3477
3478
3479
3480
3481
3482
3483
3484
3485
3486
3487
3488
3489
3490
3491
3492
3493
3494
3495
3496
3497
3498
3499
3500
3501
3502
3503
3504
3505
3506
3507
3508
3509
3510
3511
3512
3513
3514
3515
3516
3517
3518
3519
3520
3521
3522
3523
3524
3525
3526
3527
3528
3529
3530
3531
3532
3533
3534
3535
3536
3537
3538
3539
3540
3541
3542
3543
3544
3545
3546
3547
3548
3549
3550
3551
3552
3553
3554
3555
3556
3557
3558
3559
3560
3561
3562
3563
3564
3565
3566
3567
3568
3569
3570
3571
3572
3573
3574
3575
3576
3577
3578
3579
3580
3581
3582
3583
3584
3585
3586
3587
3588
3589
3590
3591
3592
3593
3594
3595
3596
3597
3598
3599
3600
3601
3602
3603
3604
3605
3606
3607
3608
3609
3610
3611
3612
3613
3614
3615
3616
3617
3618
3619
3620
3621
3622
3623
3624
3625
3626
3627
3628
3629
3630
3631
3632
3633
3634
3635
3636
3637
3638
3639
3640
3641
3642
3643
3644
3645
3646
3647
3648
3649
3650
3651
3652
3653
3654
3655
3656
3657
3658
3659
3660
3661
3662
3663
3664
3665
3666
3667
3668
3669
3670
3671
3672
3673
3674
3675
3676
3677
3678
3679
3680
3681
3682
3683
3684
3685
3686
3687
3688
3689
3690
3691
3692
3693
3694
3695
3696
3697
3698
3699
3700
3701
3702
3703
3704
3705
3706
3707
3708
3709
3710
3711
3712
3713
3714
3715
3716
3717
3718
3719
3720
3721
3722
3723
3724
3725
3726
3727
3728
3729
3730
3731
3732
3733
3734
3735
3736
3737
3738
3739
3740
3741
3742
3743
3744
3745
3746
3747
3748
3749
3750
3751
3752
3753
3754
3755
3756
3757
3758
3759
3760
3761
3762
3763
3764
3765
3766
3767
3768
3769
3770
3771
3772
3773
3774
3775
3776
3777
3778
3779
3780
3781
3782
3783
3784
3785
3786
3787
3788
3789
3790
3791
3792
3793
3794
3795
3796
3797
3798
3799
3800
3801
3802
3803
3804
3805
3806
3807
3808
3809
3810
3811
3812
3813
3814
3815
3816
3817
3818
3819
3820
3821
3822
3823
3824
3825
3826
3827
3828
3829
3830
3831
3832
3833
3834
3835
3836
3837
3838
3839
3840
3841
3842
3843
3844
3845
3846
3847
3848
3849
3850
3851
3852
3853
3854
3855
3856
3857
3858
3859
3860
3861
3862
3863
3864
3865
3866
3867
3868
3869
3870
3871
3872
3873
3874
3875
3876
3877
3878
3879
3880
3881
3882
3883
3884
3885
3886
3887
3888
3889
3890
3891
3892
3893
3894
3895
3896
3897
3898
3899
3900
3901
3902
3903
3904
3905
3906
3907
3908
3909
3910
3911
3912
3913
3914
3915
3916
3917
3918
3919
3920
3921
3922
3923
3924
3925
3926
3927
3928
3929
3930
3931
3932
3933
3934
3935
3936
3937
3938
3939
3940
3941
3942
3943
3944
3945
3946
3947
3948
3949
3950
3951
3952
3953
3954
3955
3956
3957
3958
3959
3960
3961
3962
3963
3964
3965
3966
3967
3968
3969
3970
3971
3972
3973
3974
3975
3976
3977
3978
3979
3980
3981
3982
3983
3984
3985
3986
3987
3988
3989
3990
3991
3992
3993
3994
3995
3996
3997
3998
3999
4000
4001
4002
4003
4004
4005
4006
4007
4008
4009
4010
4011
4012
4013
4014
4015
4016
4017
4018
4019
4020
4021
4022
4023
4024
4025
4026
4027
4028
4029
4030
4031
4032
4033
4034
4035
4036
4037
4038
4039
4040
4041
4042
4043
4044
4045
4046
4047
4048
4049
4050
4051
4052
4053
4054
4055
4056
4057
4058
4059
4060
4061
4062
4063
4064
4065
4066
4067
4068
4069
4070
4071
4072
4073
4074
4075
4076
4077
4078
4079
4080
4081
4082
4083
4084
4085
4086
4087
4088
4089
4090
4091
4092
4093
4094
4095
4096
4097
4098
4099
4100
4101
4102
4103
4104
4105
4106
4107
4108
4109
4110
4111
4112
4113
4114
4115
4116
4117
4118
4119
4120
4121
4122
4123
4124
4125
4126
4127
4128
4129
4130
4131
4132
4133
4134
4135
4136
4137
4138
4139
4140
4141
4142
4143
4144
4145
4146
4147
4148
4149
4150
4151
4152
4153
4154
4155
4156
4157
4158
4159
4160
4161
4162
4163
4164
4165
4166
4167
4168
4169
4170
4171
4172
4173
4174
4175
4176
4177
4178
4179
4180
4181
4182
4183
4184
4185
4186
4187
4188
4189
4190
4191
4192
4193
4194
4195
4196
4197
4198
4199
4200
4201
4202
4203
4204
4205
4206
4207
4208
4209
4210
4211
4212
4213
4214
4215
4216
4217
4218
4219
4220
4221
4222
4223
4224
4225
4226
4227
4228
4229
4230
4231
4232
4233
4234
4235
4236
4237
4238
4239
4240
4241
4242
4243
4244
4245
4246
4247
4248
4249
4250
4251
4252
4253
4254
4255
4256
4257
4258
4259
4260
4261
4262
4263
4264
4265
4266
4267
4268
4269
4270
4271
4272
4273
4274
4275
4276
4277
4278
4279
4280
4281
4282
4283
4284
4285
4286
4287
4288
4289
4290
4291
4292
4293
4294
4295
4296
4297
4298
4299
4300
4301
4302
4303
4304
4305
4306
4307
4308
4309
4310
4311
4312
4313
4314
4315
4316
4317
4318
4319
4320
4321
4322
4323
4324
4325
4326
4327
4328
4329
4330
4331
4332
4333
4334
4335
4336
4337
4338
4339
4340
4341
4342
4343
4344
4345
4346
4347
4348
4349
4350
4351
4352
4353
4354
4355
4356
4357
4358
4359
4360
4361
4362
4363
4364
4365
4366
4367
4368
4369
4370
4371
4372
4373
4374
4375
4376
4377
4378
4379
4380
4381
4382
4383
4384
4385
4386
4387
4388
4389
4390
4391
4392
4393
4394
4395
4396
4397
4398
4399
4400
4401
4402
4403
4404
4405
4406
4407
4408
4409
4410
4411
4412
4413
4414
4415
4416
4417
4418
4419
4420
4421
4422
4423
4424
4425
4426
4427
4428
4429
4430
4431
4432
4433
4434
4435
4436
4437
4438
4439
4440
4441
4442
4443
4444
4445
4446
4447
4448
4449
4450
4451
4452
4453
4454
4455
4456
4457
4458
4459
4460
4461
4462
4463
4464
4465
4466
4467
4468
4469
4470
4471
4472
4473
4474
4475
4476
4477
4478
4479
4480
4481
4482
4483
4484
4485
4486
4487
4488
4489
4490
4491
4492
4493
4494
4495
4496
4497
4498
4499
4500
4501
4502
4503
4504
4505
4506
4507
4508
4509
4510
4511
4512
4513
4514
4515
4516
4517
4518
4519
4520
4521
4522
4523
4524
4525
4526
4527
4528
4529
4530
4531
4532
4533
4534
4535
4536
4537
4538
4539
4540
4541
4542
4543
4544
4545
4546
4547
4548
4549
4550
4551
4552
4553
4554
4555
4556
4557
4558
4559
4560
4561
4562
4563
4564
4565
4566
4567
4568
4569
4570
4571
4572
4573
4574
4575
4576
4577
4578
4579
4580
4581
4582
4583
4584
4585
4586
4587
4588
4589
4590
4591
4592
4593
4594
4595
4596
4597
4598
4599
4600
4601
4602
4603
4604
4605
4606
4607
4608
4609
4610
4611
4612
4613
4614
4615
4616
4617
4618
4619
4620
4621
4622
4623
4624
4625
4626
4627
4628
4629
4630
4631
4632
4633
4634
4635
4636
4637
4638
4639
4640
4641
4642
4643
4644
4645
4646
4647
4648
4649
4650
4651
4652
4653
4654
4655
4656
4657
4658
4659
4660
4661
4662
4663
4664
4665
4666
4667
4668
4669
4670
4671
4672
4673
4674
4675
4676
4677
4678
4679
4680
4681
4682
4683
4684
4685
4686
4687
4688
4689
4690
4691
4692
4693
4694
4695
4696
4697
4698
4699
4700
4701
4702
4703
4704
4705
4706
4707
4708
4709
4710
4711
4712
4713
4714
4715
4716
4717
4718
4719
4720
4721
4722
4723
4724
4725
4726
4727
4728
4729
4730
4731
4732
4733
4734
4735
4736
4737
4738
4739
4740
4741
4742
4743
4744
4745
4746
4747
4748
4749
4750
4751
4752
4753
4754
4755
4756
4757
4758
4759
4760
4761
4762
4763
4764
4765
4766
4767
4768
4769
4770
4771
4772
4773
4774
4775
4776
4777
4778
4779
4780
4781
4782
4783
4784
4785
4786
4787
4788
4789
4790
4791
4792
4793
4794
4795
4796
4797
4798
4799
4800
4801
4802
4803
4804
4805
4806
4807
4808
4809
4810
4811
4812
4813
4814
4815
4816
4817
4818
4819
4820
4821
4822
4823
4824
4825
4826
4827
4828
4829
4830
4831
4832
4833
4834
4835
4836
4837
4838
4839
4840
4841
4842
4843
4844
4845
4846
4847
4848
4849
4850
4851
4852
4853
4854
4855
4856
4857
4858
4859
4860
4861
4862
4863
4864
4865
4866
4867
4868
4869
4870
4871
4872
4873
4874
4875
4876
4877
4878
4879
4880
4881
4882
4883
4884
4885
4886
4887
4888
4889
4890
4891
4892
4893
4894
4895
4896
4897
4898
4899
4900
4901
4902
4903
4904
4905
4906
4907
4908
4909
4910
4911
4912
4913
4914
4915
4916
4917
4918
4919
4920
4921
4922
4923
4924
4925
4926
4927
4928
4929
4930
4931
4932
4933
4934
4935
4936
4937
4938
4939
4940
4941
4942
4943
4944
4945
4946
4947
4948
4949
4950
4951
4952
4953
4954
4955
4956
4957
4958
4959
4960
4961
4962
4963
4964
4965
4966
4967
4968
4969
4970
4971
4972
4973
4974
4975
4976
4977
4978
4979
4980
4981
4982
4983
4984
4985
4986
4987
4988
4989
4990
4991
4992
4993
4994
4995
4996
4997
4998
4999
5000
5001
5002
5003
5004
5005
5006
5007
5008
5009
5010
5011
5012
5013
5014
5015
5016
5017
5018
5019
5020
5021
5022
5023
5024
5025
5026
5027
5028
5029
5030
5031
5032
5033
5034
5035
5036
5037
5038
5039
5040
5041
5042
5043
5044
5045
5046
5047
5048
5049
5050
5051
5052
5053
5054
5055
5056
5057
5058
5059
5060
5061
5062
5063
5064
5065
5066
5067
5068
5069
5070
5071
5072
5073
5074
5075
5076
5077
5078
5079
5080
5081
5082
5083
5084
5085
5086
5087
5088
5089
5090
5091
5092
5093
5094
5095
5096
5097
5098
5099
5100
5101
5102
5103
5104
5105
5106
5107
5108
5109
5110
5111
5112
5113
5114
5115
5116
5117
5118
5119
5120
5121
5122
5123
5124
5125
5126
5127
5128
5129
5130
5131
5132
5133
5134
5135
5136
5137
5138
5139
5140
5141
5142
5143
5144
5145
5146
5147
5148
5149
5150
5151
5152
5153
5154
5155
5156
5157
5158
5159
5160
5161
5162
5163
5164
5165
5166
5167
5168
5169
5170
5171
5172
5173
5174
5175
5176
5177
5178
5179
5180
5181
5182
5183
5184
5185
5186
5187
5188
5189
5190
5191
5192
5193
5194
5195
5196
5197
5198
5199
5200
5201
5202
5203
5204
5205
5206
5207
5208
5209
5210
5211
5212
5213
5214
5215
5216
5217
5218
5219
5220
5221
5222
5223
5224
5225
5226
5227
5228
5229
5230
5231
5232
5233
5234
5235
5236
5237
5238
5239
5240
5241
5242
5243
5244
5245
5246
5247
5248
5249
5250
5251
5252
5253
5254
5255
5256
5257
5258
5259
5260
5261
5262
5263
5264
5265
5266
5267
5268
5269
5270
5271
5272
5273
5274
5275
5276
5277
5278
5279
5280
5281
5282
5283
5284
5285
5286
5287
5288
5289
5290
5291
5292
5293
5294
5295
5296
5297
5298
5299
5300
5301
5302
5303
5304
5305
5306
5307
5308
5309
5310
5311
5312
5313
5314
5315
5316
5317
5318
5319
5320
5321
5322
5323
5324
5325
5326
5327
5328
5329
5330
5331
5332
5333
5334
5335
5336
5337
5338
5339
5340
5341
5342
5343
5344
5345
5346
5347
5348
5349
5350
5351
5352
5353
5354
5355
5356
5357
5358
5359
5360
5361
5362
5363
5364
5365
5366
5367
5368
5369
5370
5371
5372
5373
5374
5375
5376
5377
5378
5379
5380
5381
5382
5383
5384
5385
5386
5387
5388
5389
5390
5391
5392
5393
5394
5395
5396
5397
5398
5399
5400
5401
5402
5403
5404
5405
5406
5407
5408
5409
5410
5411
5412
5413
5414
5415
5416
5417
5418
5419
5420
5421
5422
5423
5424
5425
5426
5427
5428
5429
5430
5431
5432
5433
5434
5435
5436
5437
5438
5439
5440
5441
5442
5443
5444
5445
5446
5447
5448
5449
5450
5451
5452
5453
5454
5455
5456
5457
5458
5459
5460
5461
5462
5463
5464
5465
5466
5467
5468
5469
5470
5471
5472
5473
5474
5475
5476
5477
5478
5479
5480
5481
5482
5483
5484
5485
5486
5487
5488
5489
5490
5491
5492
5493
5494
5495
5496
5497
5498
5499
5500
5501
5502
5503
5504
5505
5506
5507
5508
5509
5510
5511
5512
5513
5514
5515
5516
5517
5518
5519
5520
5521
5522
5523
5524
5525
5526
5527
5528
5529
5530
5531
5532
5533
5534
5535
5536
5537
5538
5539
5540
5541
5542
5543
5544
5545
5546
5547
5548
5549
5550
5551
5552
5553
5554
5555
5556
5557
5558
5559
5560
5561
5562
5563
5564
5565
5566
5567
5568
5569
5570
5571
5572
5573
5574
5575
5576
5577
5578
5579
5580
5581
5582
5583
5584
5585
5586
5587
5588
5589
5590
5591
5592
5593
5594
5595
5596
5597
5598
5599
5600
5601
5602
5603
5604
5605
5606
5607
5608
5609
5610
5611
5612
5613
5614
5615
5616
5617
5618
5619
5620
5621
5622
5623
5624
5625
5626
5627
5628
5629
5630
5631
5632
5633
5634
5635
5636
5637
5638
5639
5640
5641
5642
5643
5644
5645
5646
5647
5648
5649
5650
5651
5652
5653
5654
5655
5656
5657
5658
5659
5660
5661
5662
5663
5664
5665
5666
5667
5668
5669
5670
5671
5672
5673
5674
5675
5676
5677
5678
5679
5680
5681
5682
5683
5684
5685
5686
5687
5688
5689
5690
5691
5692
5693
5694
5695
5696
5697
5698
5699
5700
5701
5702
5703
5704
5705
5706
5707
5708
5709
5710
5711
5712
5713
5714
5715
5716
5717
5718
5719
5720
5721
5722
5723
5724
5725
5726
5727
5728
5729
5730
5731
5732
5733
5734
5735
5736
5737
5738
5739
5740
5741
5742
5743
5744
5745
5746
5747
5748
5749
5750
5751
5752
5753
5754
5755
5756
5757
5758
5759
5760
5761
5762
5763
5764
5765
5766
5767
5768
5769
5770
5771
5772
5773
5774
5775
5776
5777
5778
5779
5780
5781
5782
5783
5784
5785
5786
5787
5788
5789
5790
5791
5792
5793
5794
5795
5796
5797
5798
5799
5800
5801
5802
5803
5804
5805
5806
5807
5808
5809
5810
5811
5812
5813
5814
5815
5816
5817
5818
5819
5820
5821
5822
5823
5824
5825
5826
5827
5828
5829
5830
5831
5832
5833
5834
5835
5836
5837
5838
5839
5840
5841
5842
5843
5844
5845
5846
5847
5848
5849
5850
5851
5852
5853
5854
5855
5856
5857
5858
5859
5860
5861
5862
5863
5864
5865
5866
5867
5868
5869
5870
5871
5872
5873
5874
5875
5876
5877
5878
5879
5880
5881
5882
5883
5884
5885
5886
5887
5888
5889
5890
5891
5892
5893
5894
5895
5896
5897
5898
5899
5900
5901
5902
5903
5904
5905
5906
5907
5908
5909
5910
5911
5912
5913
5914
5915
5916
5917
5918
5919
5920
5921
5922
5923
5924
5925
5926
5927
5928
5929
5930
5931
5932
5933
5934
5935
5936
5937
5938
5939
5940
5941
5942
5943
5944
5945
5946
5947
5948
5949
5950
5951
5952
5953
5954
5955
5956
5957
5958
5959
5960
5961
5962
5963
5964
5965
5966
5967
5968
5969
5970
5971
5972
5973
5974
5975
5976
5977
5978
5979
5980
5981
5982
5983
5984
5985
5986
5987
5988
5989
5990
5991
5992
5993
5994
5995
5996
5997
5998
5999
6000
6001
6002
6003
6004
6005
6006
6007
6008
6009
6010
6011
6012
6013
6014
6015
6016
6017
6018
6019
6020
6021
6022
6023
6024
6025
6026
6027
6028
6029
6030
6031
6032
6033
6034
6035
6036
6037
6038
6039
6040
6041
6042
6043
6044
6045
6046
6047
6048
6049
6050
6051
6052
6053
6054
6055
6056
6057
6058
6059
6060
6061
6062
6063
6064
6065
6066
6067
6068
6069
6070
6071
6072
6073
6074
6075
6076
6077
6078
6079
6080
6081
6082
6083
6084
6085
6086
6087
6088
6089
6090
6091
6092
6093
6094
6095
6096
6097
6098
6099
6100
6101
6102
6103
6104
6105
6106
6107
6108
6109
6110
6111
6112
6113
6114
6115
6116
6117
6118
6119
6120
6121
6122
6123
6124
6125
6126
6127
6128
6129
6130
6131
6132
6133
6134
6135
6136
6137
6138
6139
6140
6141
6142
6143
6144
6145
6146
6147
6148
6149
6150
6151
6152
6153
6154
6155
6156
6157
6158
6159
6160
6161
6162
6163
6164
6165
6166
6167
6168
6169
6170
6171
6172
6173
6174
6175
6176
6177
6178
6179
6180
6181
6182
6183
6184
6185
6186
6187
6188
6189
6190
6191
6192
6193
6194
6195
6196
6197
6198
6199
6200
6201
6202
6203
6204
6205
6206
6207
6208
6209
6210
6211
6212
6213
6214
6215
6216
6217
6218
6219
6220
6221
6222
6223
6224
6225
6226
6227
6228
6229
6230
6231
6232
6233
6234
6235
6236
6237
6238
6239
6240
6241
6242
6243
6244
6245
6246
6247
6248
6249
6250
6251
6252
6253
6254
6255
6256
6257
6258
6259
6260
6261
6262
6263
6264
6265
6266
6267
6268
6269
6270
6271
6272
6273
6274
6275
6276
6277
6278
6279
6280
6281
6282
6283
6284
6285
6286
6287
6288
6289
6290
6291
6292
6293
6294
6295
6296
6297
6298
6299
6300
6301
6302
6303
6304
6305
6306
6307
6308
6309
6310
6311
6312
6313
6314
6315
6316
6317
6318
6319
6320
6321
6322
6323
6324
6325
6326
6327
6328
6329
6330
6331
6332
6333
6334
6335
6336
6337
6338
6339
6340
6341
6342
6343
6344
6345
6346
6347
6348
6349
6350
6351
6352
6353
6354
6355
6356
6357
6358
6359
6360
6361
6362
6363
6364
6365
6366
6367
6368
6369
6370
6371
6372
6373
6374
6375
6376
6377
6378
6379
6380
6381
6382
6383
6384
6385
6386
6387
6388
6389
6390
6391
6392
6393
6394
6395
6396
6397
6398
6399
6400
6401
6402
6403
6404
6405
6406
6407
6408
6409
6410
6411
6412
6413
6414
6415
6416
6417
6418
6419
6420
6421
6422
6423
6424
6425
6426
6427
6428
6429
6430
6431
6432
6433
6434
6435
6436
6437
6438
6439
6440
6441
6442
6443
6444
6445
6446
6447
6448
6449
6450
6451
6452
6453
6454
6455
6456
6457
6458
6459
6460
6461
6462
6463
6464
6465
6466
6467
6468
6469
6470
6471
6472
6473
6474
6475
6476
6477
6478
6479
6480
6481
6482
6483
6484
6485
6486
6487
6488
6489
6490
6491
6492
6493
6494
6495
6496
6497
6498
6499
6500
6501
6502
6503
6504
6505
6506
6507
6508
6509
6510
6511
6512
6513
6514
6515
6516
6517
6518
6519
6520
6521
6522
6523
6524
6525
6526
6527
6528
6529
6530
6531
6532
6533
6534
6535
6536
6537
6538
6539
6540
6541
6542
6543
6544
6545
6546
6547
6548
6549
6550
6551
6552
6553
6554
6555
6556
6557
6558
6559
6560
6561
6562
6563
6564
6565
6566
6567
6568
6569
6570
6571
6572
6573
6574
6575
6576
6577
6578
6579
6580
6581
6582
6583
6584
6585
6586
6587
6588
6589
6590
6591
6592
6593
6594
6595
6596
6597
6598
6599
6600
6601
6602
6603
6604
6605
6606
6607
6608
6609
6610
6611
6612
6613
6614
6615
6616
6617
6618
6619
6620
6621
6622
6623
6624
6625
6626
6627
6628
6629
6630
6631
6632
6633
6634
6635
6636
6637
6638
6639
6640
6641
6642
6643
6644
6645
6646
6647
6648
6649
6650
6651
6652
6653
6654
6655
6656
6657
6658
6659
6660
6661
6662
6663
6664
6665
6666
6667
6668
6669
6670
6671
6672
6673
6674
6675
6676
6677
6678
6679
6680
6681
6682
6683
6684
6685
6686
6687
6688
6689
6690
6691
6692
6693
6694
6695
6696
6697
6698
6699
6700
6701
6702
6703
6704
6705
6706
6707
6708
6709
6710
6711
6712
6713
6714
6715
6716
6717
6718
6719
6720
6721
6722
6723
6724
6725
6726
6727
6728
6729
6730
6731
6732
6733
6734
6735
6736
6737
6738
6739
6740
6741
6742
6743
6744
6745
6746
6747
6748
6749
6750
6751
6752
6753
6754
6755
6756
6757
6758
6759
6760
6761
6762
6763
6764
6765
6766
6767
6768
6769
6770
6771
6772
6773
6774
6775
6776
6777
6778
6779
6780
6781
6782
6783
6784
6785
6786
6787
6788
6789
6790
6791
6792
6793
6794
6795
6796
6797
6798
6799
6800
6801
6802
6803
6804
6805
6806
6807
6808
6809
6810
6811
6812
6813
6814
6815
6816
6817
6818
6819
6820
6821
6822
6823
6824
6825
6826
6827
6828
6829
6830
6831
6832
6833
6834
6835
6836
6837
6838
6839
6840
6841
6842
6843
6844
6845
6846
6847
6848
6849
6850
6851
6852
6853
6854
6855
6856
6857
6858
6859
6860
6861
6862
6863
6864
6865
6866
6867
6868
6869
6870
6871
6872
6873
6874
6875
6876
6877
6878
6879
6880
6881
6882
6883
6884
6885
6886
6887
6888
6889
6890
6891
6892
6893
6894
6895
6896
6897
6898
6899
6900
6901
6902
6903
6904
6905
6906
6907
6908
6909
6910
6911
6912
6913
6914
6915
6916
6917
6918
6919
6920
6921
6922
6923
6924
6925
6926
6927
6928
6929
6930
6931
6932
6933
6934
6935
6936
6937
6938
6939
6940
6941
6942
6943
6944
6945
6946
6947
6948
6949
6950
6951
6952
6953
6954
6955
6956
6957
6958
6959
6960
6961
6962
6963
6964
6965
6966
6967
6968
6969
6970
6971
6972
6973
6974
6975
6976
6977
6978
6979
6980
6981
6982
6983
6984
6985
6986
6987
6988
6989
6990
6991
6992
6993
6994
6995
6996
6997
6998
6999
7000
7001
7002
7003
7004
7005
7006
7007
7008
7009
7010
7011
7012
7013
7014
7015
7016
7017
7018
7019
7020
7021
7022
7023
7024
7025
7026
7027
7028
7029
7030
7031
7032
7033
7034
7035
7036
7037
7038
7039
7040
7041
7042
7043
7044
7045
7046
7047
7048
7049
7050
7051
7052
7053
7054
7055
7056
7057
7058
7059
7060
7061
7062
7063
7064
7065
7066
7067
7068
7069
7070
7071
7072
7073
7074
7075
7076
7077
7078
7079
7080
7081
7082
7083
7084
7085
7086
7087
7088
7089
7090
7091
7092
7093
7094
7095
7096
7097
7098
7099
7100
7101
7102
7103
7104
7105
7106
7107
7108
7109
7110
7111
7112
7113
7114
7115
7116
7117
7118
7119
7120
7121
7122
7123
7124
7125
7126
7127
7128
7129
7130
7131
7132
7133
7134
7135
7136
7137
7138
7139
7140
7141
7142
7143
7144
7145
7146
7147
7148
7149
7150
7151
7152
7153
7154
7155
7156
7157
7158
7159
7160
7161
7162
7163
7164
7165
7166
7167
7168
7169
7170
7171
7172
7173
7174
7175
7176
7177
7178
7179
7180
7181
7182
7183
7184
7185
7186
7187
7188
7189
7190
7191
7192
7193
7194
7195
7196
7197
7198
7199
7200
7201
7202
7203
7204
7205
7206
7207
7208
7209
7210
7211
7212
7213
7214
7215
7216
7217
7218
7219
7220
7221
7222
7223
7224
7225
7226
7227
7228
7229
7230
7231
7232
7233
7234
7235
7236
7237
7238
7239
7240
7241
7242
7243
7244
7245
7246
7247
7248
7249
7250
7251
7252
7253
7254
7255
7256
7257
7258
7259
7260
7261
7262
7263
7264
7265
7266
7267
7268
7269
7270
7271
7272
7273
7274
7275
7276
7277
7278
7279
7280
7281
7282
7283
7284
7285
7286
7287
7288
7289
7290
7291
7292
7293
7294
7295
7296
7297
7298
7299
7300
7301
7302
7303
7304
7305
7306
7307
7308
7309
7310
7311
7312
7313
7314
7315
7316
7317
7318
7319
7320
7321
7322
7323
7324
7325
7326
7327
7328
7329
7330
7331
7332
7333
7334
7335
7336
7337
7338
7339
7340
7341
7342
7343
7344
7345
7346
7347
7348
7349
7350
7351
7352
7353
7354
7355
7356
7357
7358
7359
7360
7361
7362
7363
7364
7365
7366
7367
7368
7369
7370
7371
7372
7373
7374
7375
7376
7377
7378
7379
7380
7381
7382
7383
7384
7385
7386
7387
7388
7389
7390
7391
7392
7393
7394
7395
7396
7397
7398
7399
7400
7401
7402
7403
7404
7405
7406
7407
7408
7409
7410
7411
7412
7413
7414
7415
7416
|
/* Renesas / SuperH SH specific support for 32-bit ELF
Copyright (C) 1996-2017 Free Software Foundation, Inc.
Contributed by Ian Lance Taylor, Cygnus Support.
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 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. */
#include "sysdep.h"
#include "bfd.h"
#include "bfdlink.h"
#include "libbfd.h"
#include "elf-bfd.h"
#include "elf-vxworks.h"
#include "elf/sh.h"
#include "dwarf2.h"
#include "libiberty.h"
#include "../opcodes/sh-opc.h"
static bfd_reloc_status_type sh_elf_reloc
(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
static bfd_reloc_status_type sh_elf_ignore_reloc
(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
static bfd_boolean sh_elf_relax_delete_bytes
(bfd *, asection *, bfd_vma, int);
static bfd_boolean sh_elf_align_loads
(bfd *, asection *, Elf_Internal_Rela *, bfd_byte *, bfd_boolean *);
#ifndef SH64_ELF
static bfd_boolean sh_elf_swap_insns
(bfd *, asection *, void *, bfd_byte *, bfd_vma);
#endif
static int sh_elf_optimized_tls_reloc
(struct bfd_link_info *, int, int);
static bfd_vma dtpoff_base
(struct bfd_link_info *);
static bfd_vma tpoff
(struct bfd_link_info *, bfd_vma);
/* The name of the dynamic interpreter. This is put in the .interp
section. */
#define ELF_DYNAMIC_INTERPRETER "/usr/lib/libc.so.1"
/* FDPIC binaries have a default 128K stack. */
#define DEFAULT_STACK_SIZE 0x20000
#define MINUS_ONE ((bfd_vma) 0 - 1)
/* Decide whether a reference to a symbol can be resolved locally or
not. If the symbol is protected, we want the local address, but
its function descriptor must be assigned by the dynamic linker. */
#define SYMBOL_FUNCDESC_LOCAL(INFO, H) \
(SYMBOL_REFERENCES_LOCAL (INFO, H) \
|| ! elf_hash_table (INFO)->dynamic_sections_created)
#define SH_PARTIAL32 TRUE
#define SH_SRC_MASK32 0xffffffff
#define SH_ELF_RELOC sh_elf_reloc
static reloc_howto_type sh_elf_howto_table[] =
{
#include "elf32-sh-relocs.h"
};
#define SH_PARTIAL32 FALSE
#define SH_SRC_MASK32 0
#define SH_ELF_RELOC bfd_elf_generic_reloc
static reloc_howto_type sh_vxworks_howto_table[] =
{
#include "elf32-sh-relocs.h"
};
/* Return true if OUTPUT_BFD is a VxWorks object. */
static bfd_boolean
vxworks_object_p (bfd *abfd ATTRIBUTE_UNUSED)
{
#if !defined INCLUDE_SHMEDIA && !defined SH_TARGET_ALREADY_DEFINED
extern const bfd_target sh_elf32_vxworks_le_vec;
extern const bfd_target sh_elf32_vxworks_vec;
return (abfd->xvec == &sh_elf32_vxworks_le_vec
|| abfd->xvec == &sh_elf32_vxworks_vec);
#else
return FALSE;
#endif
}
/* Return true if OUTPUT_BFD is an FDPIC object. */
static bfd_boolean
fdpic_object_p (bfd *abfd ATTRIBUTE_UNUSED)
{
#if !defined INCLUDE_SHMEDIA && !defined SH_TARGET_ALREADY_DEFINED
extern const bfd_target sh_elf32_fdpic_le_vec;
extern const bfd_target sh_elf32_fdpic_be_vec;
return (abfd->xvec == &sh_elf32_fdpic_le_vec
|| abfd->xvec == &sh_elf32_fdpic_be_vec);
#else
return FALSE;
#endif
}
/* Return the howto table for ABFD. */
static reloc_howto_type *
get_howto_table (bfd *abfd)
{
if (vxworks_object_p (abfd))
return sh_vxworks_howto_table;
return sh_elf_howto_table;
}
static bfd_reloc_status_type
sh_elf_reloc_loop (int r_type ATTRIBUTE_UNUSED, bfd *input_bfd,
asection *input_section, bfd_byte *contents,
bfd_vma addr, asection *symbol_section,
bfd_vma start, bfd_vma end)
{
static bfd_vma last_addr;
static asection *last_symbol_section;
bfd_byte *start_ptr, *ptr, *last_ptr;
int diff, cum_diff;
bfd_signed_vma x;
int insn;
/* Sanity check the address. */
if (addr > bfd_get_section_limit (input_bfd, input_section))
return bfd_reloc_outofrange;
/* We require the start and end relocations to be processed consecutively -
although we allow then to be processed forwards or backwards. */
if (! last_addr)
{
last_addr = addr;
last_symbol_section = symbol_section;
return bfd_reloc_ok;
}
if (last_addr != addr)
abort ();
last_addr = 0;
if (! symbol_section || last_symbol_section != symbol_section || end < start)
return bfd_reloc_outofrange;
/* Get the symbol_section contents. */
if (symbol_section != input_section)
{
if (elf_section_data (symbol_section)->this_hdr.contents != NULL)
contents = elf_section_data (symbol_section)->this_hdr.contents;
else
{
if (!bfd_malloc_and_get_section (input_bfd, symbol_section,
&contents))
{
if (contents != NULL)
free (contents);
return bfd_reloc_outofrange;
}
}
}
#define IS_PPI(PTR) ((bfd_get_16 (input_bfd, (PTR)) & 0xfc00) == 0xf800)
start_ptr = contents + start;
for (cum_diff = -6, ptr = contents + end; cum_diff < 0 && ptr > start_ptr;)
{
for (last_ptr = ptr, ptr -= 4; ptr >= start_ptr && IS_PPI (ptr);)
ptr -= 2;
ptr += 2;
diff = (last_ptr - ptr) >> 1;
cum_diff += diff & 1;
cum_diff += diff;
}
/* Calculate the start / end values to load into rs / re minus four -
so that will cancel out the four we would otherwise have to add to
addr to get the value to subtract in order to get relative addressing. */
if (cum_diff >= 0)
{
start -= 4;
end = (ptr + cum_diff * 2) - contents;
}
else
{
bfd_vma start0 = start - 4;
while (start0 && IS_PPI (contents + start0))
start0 -= 2;
start0 = start - 2 - ((start - start0) & 2);
start = start0 - cum_diff - 2;
end = start0;
}
if (contents != NULL
&& elf_section_data (symbol_section)->this_hdr.contents != contents)
free (contents);
insn = bfd_get_16 (input_bfd, contents + addr);
x = (insn & 0x200 ? end : start) - addr;
if (input_section != symbol_section)
x += ((symbol_section->output_section->vma + symbol_section->output_offset)
- (input_section->output_section->vma
+ input_section->output_offset));
x >>= 1;
if (x < -128 || x > 127)
return bfd_reloc_overflow;
x = (insn & ~0xff) | (x & 0xff);
bfd_put_16 (input_bfd, (bfd_vma) x, contents + addr);
return bfd_reloc_ok;
}
/* This function is used for normal relocs. This used to be like the COFF
function, and is almost certainly incorrect for other ELF targets. */
static bfd_reloc_status_type
sh_elf_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol_in,
void *data, asection *input_section, bfd *output_bfd,
char **error_message ATTRIBUTE_UNUSED)
{
unsigned long insn;
bfd_vma sym_value;
enum elf_sh_reloc_type r_type;
bfd_vma addr = reloc_entry->address;
bfd_byte *hit_data = addr + (bfd_byte *) data;
r_type = (enum elf_sh_reloc_type) reloc_entry->howto->type;
if (output_bfd != NULL)
{
/* Partial linking--do nothing. */
reloc_entry->address += input_section->output_offset;
return bfd_reloc_ok;
}
/* Almost all relocs have to do with relaxing. If any work must be
done for them, it has been done in sh_relax_section. */
if (r_type == R_SH_IND12W && (symbol_in->flags & BSF_LOCAL) != 0)
return bfd_reloc_ok;
if (symbol_in != NULL
&& bfd_is_und_section (symbol_in->section))
return bfd_reloc_undefined;
/* PR 17512: file: 9891ca98. */
if (addr * bfd_octets_per_byte (abfd) + bfd_get_reloc_size (reloc_entry->howto)
> bfd_get_section_limit_octets (abfd, input_section))
return bfd_reloc_outofrange;
if (bfd_is_com_section (symbol_in->section))
sym_value = 0;
else
sym_value = (symbol_in->value +
symbol_in->section->output_section->vma +
symbol_in->section->output_offset);
switch (r_type)
{
case R_SH_DIR32:
insn = bfd_get_32 (abfd, hit_data);
insn += sym_value + reloc_entry->addend;
bfd_put_32 (abfd, (bfd_vma) insn, hit_data);
break;
case R_SH_IND12W:
insn = bfd_get_16 (abfd, hit_data);
sym_value += reloc_entry->addend;
sym_value -= (input_section->output_section->vma
+ input_section->output_offset
+ addr
+ 4);
sym_value += (insn & 0xfff) << 1;
if (insn & 0x800)
sym_value -= 0x1000;
insn = (insn & 0xf000) | (sym_value & 0xfff);
bfd_put_16 (abfd, (bfd_vma) insn, hit_data);
if (sym_value < (bfd_vma) -0x1000 || sym_value >= 0x1000)
return bfd_reloc_overflow;
break;
default:
abort ();
break;
}
return bfd_reloc_ok;
}
/* This function is used for relocs which are only used for relaxing,
which the linker should otherwise ignore. */
static bfd_reloc_status_type
sh_elf_ignore_reloc (bfd *abfd ATTRIBUTE_UNUSED, arelent *reloc_entry,
asymbol *symbol ATTRIBUTE_UNUSED,
void *data ATTRIBUTE_UNUSED, asection *input_section,
bfd *output_bfd,
char **error_message ATTRIBUTE_UNUSED)
{
if (output_bfd != NULL)
reloc_entry->address += input_section->output_offset;
return bfd_reloc_ok;
}
/* This structure is used to map BFD reloc codes to SH ELF relocs. */
struct elf_reloc_map
{
bfd_reloc_code_real_type bfd_reloc_val;
unsigned char elf_reloc_val;
};
/* An array mapping BFD reloc codes to SH ELF relocs. */
static const struct elf_reloc_map sh_reloc_map[] =
{
{ BFD_RELOC_NONE, R_SH_NONE },
{ BFD_RELOC_32, R_SH_DIR32 },
{ BFD_RELOC_16, R_SH_DIR16 },
{ BFD_RELOC_8, R_SH_DIR8 },
{ BFD_RELOC_CTOR, R_SH_DIR32 },
{ BFD_RELOC_32_PCREL, R_SH_REL32 },
{ BFD_RELOC_SH_PCDISP8BY2, R_SH_DIR8WPN },
{ BFD_RELOC_SH_PCDISP12BY2, R_SH_IND12W },
{ BFD_RELOC_SH_PCRELIMM8BY2, R_SH_DIR8WPZ },
{ BFD_RELOC_SH_PCRELIMM8BY4, R_SH_DIR8WPL },
{ BFD_RELOC_8_PCREL, R_SH_SWITCH8 },
{ BFD_RELOC_SH_SWITCH16, R_SH_SWITCH16 },
{ BFD_RELOC_SH_SWITCH32, R_SH_SWITCH32 },
{ BFD_RELOC_SH_USES, R_SH_USES },
{ BFD_RELOC_SH_COUNT, R_SH_COUNT },
{ BFD_RELOC_SH_ALIGN, R_SH_ALIGN },
{ BFD_RELOC_SH_CODE, R_SH_CODE },
{ BFD_RELOC_SH_DATA, R_SH_DATA },
{ BFD_RELOC_SH_LABEL, R_SH_LABEL },
{ BFD_RELOC_VTABLE_INHERIT, R_SH_GNU_VTINHERIT },
{ BFD_RELOC_VTABLE_ENTRY, R_SH_GNU_VTENTRY },
{ BFD_RELOC_SH_LOOP_START, R_SH_LOOP_START },
{ BFD_RELOC_SH_LOOP_END, R_SH_LOOP_END },
{ BFD_RELOC_SH_TLS_GD_32, R_SH_TLS_GD_32 },
{ BFD_RELOC_SH_TLS_LD_32, R_SH_TLS_LD_32 },
{ BFD_RELOC_SH_TLS_LDO_32, R_SH_TLS_LDO_32 },
{ BFD_RELOC_SH_TLS_IE_32, R_SH_TLS_IE_32 },
{ BFD_RELOC_SH_TLS_LE_32, R_SH_TLS_LE_32 },
{ BFD_RELOC_SH_TLS_DTPMOD32, R_SH_TLS_DTPMOD32 },
{ BFD_RELOC_SH_TLS_DTPOFF32, R_SH_TLS_DTPOFF32 },
{ BFD_RELOC_SH_TLS_TPOFF32, R_SH_TLS_TPOFF32 },
{ BFD_RELOC_32_GOT_PCREL, R_SH_GOT32 },
{ BFD_RELOC_32_PLT_PCREL, R_SH_PLT32 },
{ BFD_RELOC_SH_COPY, R_SH_COPY },
{ BFD_RELOC_SH_GLOB_DAT, R_SH_GLOB_DAT },
{ BFD_RELOC_SH_JMP_SLOT, R_SH_JMP_SLOT },
{ BFD_RELOC_SH_RELATIVE, R_SH_RELATIVE },
{ BFD_RELOC_32_GOTOFF, R_SH_GOTOFF },
{ BFD_RELOC_SH_GOTPC, R_SH_GOTPC },
{ BFD_RELOC_SH_GOTPLT32, R_SH_GOTPLT32 },
{ BFD_RELOC_SH_GOT20, R_SH_GOT20 },
{ BFD_RELOC_SH_GOTOFF20, R_SH_GOTOFF20 },
{ BFD_RELOC_SH_GOTFUNCDESC, R_SH_GOTFUNCDESC },
{ BFD_RELOC_SH_GOTFUNCDESC20, R_SH_GOTFUNCDESC20 },
{ BFD_RELOC_SH_GOTOFFFUNCDESC, R_SH_GOTOFFFUNCDESC },
{ BFD_RELOC_SH_GOTOFFFUNCDESC20, R_SH_GOTOFFFUNCDESC20 },
{ BFD_RELOC_SH_FUNCDESC, R_SH_FUNCDESC },
#ifdef INCLUDE_SHMEDIA
{ BFD_RELOC_SH_GOT_LOW16, R_SH_GOT_LOW16 },
{ BFD_RELOC_SH_GOT_MEDLOW16, R_SH_GOT_MEDLOW16 },
{ BFD_RELOC_SH_GOT_MEDHI16, R_SH_GOT_MEDHI16 },
{ BFD_RELOC_SH_GOT_HI16, R_SH_GOT_HI16 },
{ BFD_RELOC_SH_GOTPLT_LOW16, R_SH_GOTPLT_LOW16 },
{ BFD_RELOC_SH_GOTPLT_MEDLOW16, R_SH_GOTPLT_MEDLOW16 },
{ BFD_RELOC_SH_GOTPLT_MEDHI16, R_SH_GOTPLT_MEDHI16 },
{ BFD_RELOC_SH_GOTPLT_HI16, R_SH_GOTPLT_HI16 },
{ BFD_RELOC_SH_PLT_LOW16, R_SH_PLT_LOW16 },
{ BFD_RELOC_SH_PLT_MEDLOW16, R_SH_PLT_MEDLOW16 },
{ BFD_RELOC_SH_PLT_MEDHI16, R_SH_PLT_MEDHI16 },
{ BFD_RELOC_SH_PLT_HI16, R_SH_PLT_HI16 },
{ BFD_RELOC_SH_GOTOFF_LOW16, R_SH_GOTOFF_LOW16 },
{ BFD_RELOC_SH_GOTOFF_MEDLOW16, R_SH_GOTOFF_MEDLOW16 },
{ BFD_RELOC_SH_GOTOFF_MEDHI16, R_SH_GOTOFF_MEDHI16 },
{ BFD_RELOC_SH_GOTOFF_HI16, R_SH_GOTOFF_HI16 },
{ BFD_RELOC_SH_GOTPC_LOW16, R_SH_GOTPC_LOW16 },
{ BFD_RELOC_SH_GOTPC_MEDLOW16, R_SH_GOTPC_MEDLOW16 },
{ BFD_RELOC_SH_GOTPC_MEDHI16, R_SH_GOTPC_MEDHI16 },
{ BFD_RELOC_SH_GOTPC_HI16, R_SH_GOTPC_HI16 },
{ BFD_RELOC_SH_COPY64, R_SH_COPY64 },
{ BFD_RELOC_SH_GLOB_DAT64, R_SH_GLOB_DAT64 },
{ BFD_RELOC_SH_JMP_SLOT64, R_SH_JMP_SLOT64 },
{ BFD_RELOC_SH_RELATIVE64, R_SH_RELATIVE64 },
{ BFD_RELOC_SH_GOT10BY4, R_SH_GOT10BY4 },
{ BFD_RELOC_SH_GOT10BY8, R_SH_GOT10BY8 },
{ BFD_RELOC_SH_GOTPLT10BY4, R_SH_GOTPLT10BY4 },
{ BFD_RELOC_SH_GOTPLT10BY8, R_SH_GOTPLT10BY8 },
{ BFD_RELOC_SH_PT_16, R_SH_PT_16 },
{ BFD_RELOC_SH_SHMEDIA_CODE, R_SH_SHMEDIA_CODE },
{ BFD_RELOC_SH_IMMU5, R_SH_DIR5U },
{ BFD_RELOC_SH_IMMS6, R_SH_DIR6S },
{ BFD_RELOC_SH_IMMU6, R_SH_DIR6U },
{ BFD_RELOC_SH_IMMS10, R_SH_DIR10S },
{ BFD_RELOC_SH_IMMS10BY2, R_SH_DIR10SW },
{ BFD_RELOC_SH_IMMS10BY4, R_SH_DIR10SL },
{ BFD_RELOC_SH_IMMS10BY8, R_SH_DIR10SQ },
{ BFD_RELOC_SH_IMMS16, R_SH_IMMS16 },
{ BFD_RELOC_SH_IMMU16, R_SH_IMMU16 },
{ BFD_RELOC_SH_IMM_LOW16, R_SH_IMM_LOW16 },
{ BFD_RELOC_SH_IMM_LOW16_PCREL, R_SH_IMM_LOW16_PCREL },
{ BFD_RELOC_SH_IMM_MEDLOW16, R_SH_IMM_MEDLOW16 },
{ BFD_RELOC_SH_IMM_MEDLOW16_PCREL, R_SH_IMM_MEDLOW16_PCREL },
{ BFD_RELOC_SH_IMM_MEDHI16, R_SH_IMM_MEDHI16 },
{ BFD_RELOC_SH_IMM_MEDHI16_PCREL, R_SH_IMM_MEDHI16_PCREL },
{ BFD_RELOC_SH_IMM_HI16, R_SH_IMM_HI16 },
{ BFD_RELOC_SH_IMM_HI16_PCREL, R_SH_IMM_HI16_PCREL },
{ BFD_RELOC_64, R_SH_64 },
{ BFD_RELOC_64_PCREL, R_SH_64_PCREL },
#endif /* not INCLUDE_SHMEDIA */
};
/* Given a BFD reloc code, return the howto structure for the
corresponding SH ELF reloc. */
static reloc_howto_type *
sh_elf_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code)
{
unsigned int i;
for (i = 0; i < sizeof (sh_reloc_map) / sizeof (struct elf_reloc_map); i++)
{
if (sh_reloc_map[i].bfd_reloc_val == code)
return get_howto_table (abfd) + (int) sh_reloc_map[i].elf_reloc_val;
}
return NULL;
}
static reloc_howto_type *
sh_elf_reloc_name_lookup (bfd *abfd, const char *r_name)
{
unsigned int i;
if (vxworks_object_p (abfd))
{
for (i = 0;
i < (sizeof (sh_vxworks_howto_table)
/ sizeof (sh_vxworks_howto_table[0]));
i++)
if (sh_vxworks_howto_table[i].name != NULL
&& strcasecmp (sh_vxworks_howto_table[i].name, r_name) == 0)
return &sh_vxworks_howto_table[i];
}
else
{
for (i = 0;
i < (sizeof (sh_elf_howto_table)
/ sizeof (sh_elf_howto_table[0]));
i++)
if (sh_elf_howto_table[i].name != NULL
&& strcasecmp (sh_elf_howto_table[i].name, r_name) == 0)
return &sh_elf_howto_table[i];
}
return NULL;
}
/* Given an ELF reloc, fill in the howto field of a relent. */
static void
sh_elf_info_to_howto (bfd *abfd, arelent *cache_ptr, Elf_Internal_Rela *dst)
{
unsigned int r;
r = ELF32_R_TYPE (dst->r_info);
if (r >= R_SH_max
|| (r >= R_SH_FIRST_INVALID_RELOC && r <= R_SH_LAST_INVALID_RELOC)
|| (r >= R_SH_FIRST_INVALID_RELOC_2 && r <= R_SH_LAST_INVALID_RELOC_2)
|| (r >= R_SH_FIRST_INVALID_RELOC_3 && r <= R_SH_LAST_INVALID_RELOC_3)
|| (r >= R_SH_FIRST_INVALID_RELOC_4 && r <= R_SH_LAST_INVALID_RELOC_4)
|| (r >= R_SH_FIRST_INVALID_RELOC_5 && r <= R_SH_LAST_INVALID_RELOC_5)
|| (r >= R_SH_FIRST_INVALID_RELOC_6 && r <= R_SH_LAST_INVALID_RELOC_6))
{
/* xgettext:c-format */
_bfd_error_handler (_("%B: unrecognised SH reloc number: %d"),
abfd, r);
bfd_set_error (bfd_error_bad_value);
r = R_SH_NONE;
}
cache_ptr->howto = get_howto_table (abfd) + r;
}
/* This function handles relaxing for SH ELF. See the corresponding
function in coff-sh.c for a description of what this does. FIXME:
There is a lot of duplication here between this code and the COFF
specific code. The format of relocs and symbols is wound deeply
into this code, but it would still be better if the duplication
could be eliminated somehow. Note in particular that although both
functions use symbols like R_SH_CODE, those symbols have different
values; in coff-sh.c they come from include/coff/sh.h, whereas here
they come from enum elf_sh_reloc_type in include/elf/sh.h. */
static bfd_boolean
sh_elf_relax_section (bfd *abfd, asection *sec,
struct bfd_link_info *link_info, bfd_boolean *again)
{
Elf_Internal_Shdr *symtab_hdr;
Elf_Internal_Rela *internal_relocs;
bfd_boolean have_code;
Elf_Internal_Rela *irel, *irelend;
bfd_byte *contents = NULL;
Elf_Internal_Sym *isymbuf = NULL;
*again = FALSE;
if (bfd_link_relocatable (link_info)
|| (sec->flags & SEC_RELOC) == 0
|| sec->reloc_count == 0)
return TRUE;
#ifdef INCLUDE_SHMEDIA
if (elf_section_data (sec)->this_hdr.sh_flags
& (SHF_SH5_ISA32 | SHF_SH5_ISA32_MIXED))
{
return TRUE;
}
#endif
symtab_hdr = &elf_symtab_hdr (abfd);
internal_relocs = (_bfd_elf_link_read_relocs
(abfd, sec, NULL, (Elf_Internal_Rela *) NULL,
link_info->keep_memory));
if (internal_relocs == NULL)
goto error_return;
have_code = FALSE;
irelend = internal_relocs + sec->reloc_count;
for (irel = internal_relocs; irel < irelend; irel++)
{
bfd_vma laddr, paddr, symval;
unsigned short insn;
Elf_Internal_Rela *irelfn, *irelscan, *irelcount;
bfd_signed_vma foff;
if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_CODE)
have_code = TRUE;
if (ELF32_R_TYPE (irel->r_info) != (int) R_SH_USES)
continue;
/* Get the section contents. */
if (contents == NULL)
{
if (elf_section_data (sec)->this_hdr.contents != NULL)
contents = elf_section_data (sec)->this_hdr.contents;
else
{
if (!bfd_malloc_and_get_section (abfd, sec, &contents))
goto error_return;
}
}
/* The r_addend field of the R_SH_USES reloc will point us to
the register load. The 4 is because the r_addend field is
computed as though it were a jump offset, which are based
from 4 bytes after the jump instruction. */
laddr = irel->r_offset + 4 + irel->r_addend;
if (laddr >= sec->size)
{
/* xgettext:c-format */
_bfd_error_handler (_("%B: %#Lx: warning: bad R_SH_USES offset"),
abfd, irel->r_offset);
continue;
}
insn = bfd_get_16 (abfd, contents + laddr);
/* If the instruction is not mov.l NN,rN, we don't know what to
do. */
if ((insn & 0xf000) != 0xd000)
{
_bfd_error_handler
/* xgettext:c-format */
(_("%B: %#Lx: warning: R_SH_USES points to unrecognized insn 0x%x"),
abfd, irel->r_offset, insn);
continue;
}
/* Get the address from which the register is being loaded. The
displacement in the mov.l instruction is quadrupled. It is a
displacement from four bytes after the movl instruction, but,
before adding in the PC address, two least significant bits
of the PC are cleared. We assume that the section is aligned
on a four byte boundary. */
paddr = insn & 0xff;
paddr *= 4;
paddr += (laddr + 4) &~ (bfd_vma) 3;
if (paddr >= sec->size)
{
_bfd_error_handler
/* xgettext:c-format */
(_("%B: %#Lx: warning: bad R_SH_USES load offset"),
abfd, irel->r_offset);
continue;
}
/* Get the reloc for the address from which the register is
being loaded. This reloc will tell us which function is
actually being called. */
for (irelfn = internal_relocs; irelfn < irelend; irelfn++)
if (irelfn->r_offset == paddr
&& ELF32_R_TYPE (irelfn->r_info) == (int) R_SH_DIR32)
break;
if (irelfn >= irelend)
{
_bfd_error_handler
/* xgettext:c-format */
(_("%B: %#Lx: warning: could not find expected reloc"),
abfd, paddr);
continue;
}
/* Read this BFD's symbols if we haven't done so already. */
if (isymbuf == NULL && symtab_hdr->sh_info != 0)
{
isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
if (isymbuf == NULL)
isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
symtab_hdr->sh_info, 0,
NULL, NULL, NULL);
if (isymbuf == NULL)
goto error_return;
}
/* Get the value of the symbol referred to by the reloc. */
if (ELF32_R_SYM (irelfn->r_info) < symtab_hdr->sh_info)
{
/* A local symbol. */
Elf_Internal_Sym *isym;
isym = isymbuf + ELF32_R_SYM (irelfn->r_info);
if (isym->st_shndx
!= (unsigned int) _bfd_elf_section_from_bfd_section (abfd, sec))
{
_bfd_error_handler
/* xgettext:c-format */
(_("%B: %#Lx: warning: symbol in unexpected section"),
abfd, paddr);
continue;
}
symval = (isym->st_value
+ sec->output_section->vma
+ sec->output_offset);
}
else
{
unsigned long indx;
struct elf_link_hash_entry *h;
indx = ELF32_R_SYM (irelfn->r_info) - symtab_hdr->sh_info;
h = elf_sym_hashes (abfd)[indx];
BFD_ASSERT (h != NULL);
if (h->root.type != bfd_link_hash_defined
&& h->root.type != bfd_link_hash_defweak)
{
/* This appears to be a reference to an undefined
symbol. Just ignore it--it will be caught by the
regular reloc processing. */
continue;
}
symval = (h->root.u.def.value
+ h->root.u.def.section->output_section->vma
+ h->root.u.def.section->output_offset);
}
if (get_howto_table (abfd)[R_SH_DIR32].partial_inplace)
symval += bfd_get_32 (abfd, contents + paddr);
else
symval += irelfn->r_addend;
/* See if this function call can be shortened. */
foff = (symval
- (irel->r_offset
+ sec->output_section->vma
+ sec->output_offset
+ 4));
/* A branch to an address beyond ours might be increased by an
.align that doesn't move when bytes behind us are deleted.
So, we add some slop in this calculation to allow for
that. */
if (foff < -0x1000 || foff >= 0x1000 - 8)
{
/* After all that work, we can't shorten this function call. */
continue;
}
/* Shorten the function call. */
/* For simplicity of coding, we are going to modify the section
contents, the section relocs, and the BFD symbol table. We
must tell the rest of the code not to free up this
information. It would be possible to instead create a table
of changes which have to be made, as is done in coff-mips.c;
that would be more work, but would require less memory when
the linker is run. */
elf_section_data (sec)->relocs = internal_relocs;
elf_section_data (sec)->this_hdr.contents = contents;
symtab_hdr->contents = (unsigned char *) isymbuf;
/* Replace the jmp/jsr with a bra/bsr. */
/* Change the R_SH_USES reloc into an R_SH_IND12W reloc, and
replace the jmp/jsr with a bra/bsr. */
irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irelfn->r_info), R_SH_IND12W);
/* We used to test (ELF32_R_SYM (irelfn->r_info) < symtab_hdr->sh_info)
here, but that only checks if the symbol is an external symbol,
not if the symbol is in a different section. Besides, we need
a consistent meaning for the relocation, so we just assume here that
the value of the symbol is not available. */
/* We can't fully resolve this yet, because the external
symbol value may be changed by future relaxing. We let
the final link phase handle it. */
if (bfd_get_16 (abfd, contents + irel->r_offset) & 0x0020)
bfd_put_16 (abfd, (bfd_vma) 0xa000, contents + irel->r_offset);
else
bfd_put_16 (abfd, (bfd_vma) 0xb000, contents + irel->r_offset);
irel->r_addend = -4;
/* When we calculated the symbol "value" we had an offset in the
DIR32's word in memory (we read and add it above). However,
the jsr we create does NOT have this offset encoded, so we
have to add it to the addend to preserve it. */
irel->r_addend += bfd_get_32 (abfd, contents + paddr);
/* See if there is another R_SH_USES reloc referring to the same
register load. */
for (irelscan = internal_relocs; irelscan < irelend; irelscan++)
if (ELF32_R_TYPE (irelscan->r_info) == (int) R_SH_USES
&& laddr == irelscan->r_offset + 4 + irelscan->r_addend)
break;
if (irelscan < irelend)
{
/* Some other function call depends upon this register load,
and we have not yet converted that function call.
Indeed, we may never be able to convert it. There is
nothing else we can do at this point. */
continue;
}
/* Look for a R_SH_COUNT reloc on the location where the
function address is stored. Do this before deleting any
bytes, to avoid confusion about the address. */
for (irelcount = internal_relocs; irelcount < irelend; irelcount++)
if (irelcount->r_offset == paddr
&& ELF32_R_TYPE (irelcount->r_info) == (int) R_SH_COUNT)
break;
/* Delete the register load. */
if (! sh_elf_relax_delete_bytes (abfd, sec, laddr, 2))
goto error_return;
/* That will change things, so, just in case it permits some
other function call to come within range, we should relax
again. Note that this is not required, and it may be slow. */
*again = TRUE;
/* Now check whether we got a COUNT reloc. */
if (irelcount >= irelend)
{
_bfd_error_handler
/* xgettext:c-format */
(_("%B: %#Lx: warning: could not find expected COUNT reloc"),
abfd, paddr);
continue;
}
/* The number of uses is stored in the r_addend field. We've
just deleted one. */
if (irelcount->r_addend == 0)
{
/* xgettext:c-format */
_bfd_error_handler (_("%B: %#Lx: warning: bad count"),
abfd, paddr);
continue;
}
--irelcount->r_addend;
/* If there are no more uses, we can delete the address. Reload
the address from irelfn, in case it was changed by the
previous call to sh_elf_relax_delete_bytes. */
if (irelcount->r_addend == 0)
{
if (! sh_elf_relax_delete_bytes (abfd, sec, irelfn->r_offset, 4))
goto error_return;
}
/* We've done all we can with that function call. */
}
/* Look for load and store instructions that we can align on four
byte boundaries. */
if ((elf_elfheader (abfd)->e_flags & EF_SH_MACH_MASK) != EF_SH4
&& have_code)
{
bfd_boolean swapped;
/* Get the section contents. */
if (contents == NULL)
{
if (elf_section_data (sec)->this_hdr.contents != NULL)
contents = elf_section_data (sec)->this_hdr.contents;
else
{
if (!bfd_malloc_and_get_section (abfd, sec, &contents))
goto error_return;
}
}
if (! sh_elf_align_loads (abfd, sec, internal_relocs, contents,
&swapped))
goto error_return;
if (swapped)
{
elf_section_data (sec)->relocs = internal_relocs;
elf_section_data (sec)->this_hdr.contents = contents;
symtab_hdr->contents = (unsigned char *) isymbuf;
}
}
if (isymbuf != NULL
&& symtab_hdr->contents != (unsigned char *) isymbuf)
{
if (! link_info->keep_memory)
free (isymbuf);
else
{
/* Cache the symbols for elf_link_input_bfd. */
symtab_hdr->contents = (unsigned char *) isymbuf;
}
}
if (contents != NULL
&& elf_section_data (sec)->this_hdr.contents != contents)
{
if (! link_info->keep_memory)
free (contents);
else
{
/* Cache the section contents for elf_link_input_bfd. */
elf_section_data (sec)->this_hdr.contents = contents;
}
}
if (internal_relocs != NULL
&& elf_section_data (sec)->relocs != internal_relocs)
free (internal_relocs);
return TRUE;
error_return:
if (isymbuf != NULL
&& symtab_hdr->contents != (unsigned char *) isymbuf)
free (isymbuf);
if (contents != NULL
&& elf_section_data (sec)->this_hdr.contents != contents)
free (contents);
if (internal_relocs != NULL
&& elf_section_data (sec)->relocs != internal_relocs)
free (internal_relocs);
return FALSE;
}
/* Delete some bytes from a section while relaxing. FIXME: There is a
lot of duplication between this function and sh_relax_delete_bytes
in coff-sh.c. */
static bfd_boolean
sh_elf_relax_delete_bytes (bfd *abfd, asection *sec, bfd_vma addr,
int count)
{
Elf_Internal_Shdr *symtab_hdr;
unsigned int sec_shndx;
bfd_byte *contents;
Elf_Internal_Rela *irel, *irelend;
Elf_Internal_Rela *irelalign;
bfd_vma toaddr;
Elf_Internal_Sym *isymbuf, *isym, *isymend;
struct elf_link_hash_entry **sym_hashes;
struct elf_link_hash_entry **end_hashes;
unsigned int symcount;
asection *o;
symtab_hdr = &elf_symtab_hdr (abfd);
isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
contents = elf_section_data (sec)->this_hdr.contents;
/* The deletion must stop at the next ALIGN reloc for an alignment
power larger than the number of bytes we are deleting. */
irelalign = NULL;
toaddr = sec->size;
irel = elf_section_data (sec)->relocs;
irelend = irel + sec->reloc_count;
for (; irel < irelend; irel++)
{
if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_ALIGN
&& irel->r_offset > addr
&& count < (1 << irel->r_addend))
{
irelalign = irel;
toaddr = irel->r_offset;
break;
}
}
/* Actually delete the bytes. */
memmove (contents + addr, contents + addr + count,
(size_t) (toaddr - addr - count));
if (irelalign == NULL)
sec->size -= count;
else
{
int i;
#define NOP_OPCODE (0x0009)
BFD_ASSERT ((count & 1) == 0);
for (i = 0; i < count; i += 2)
bfd_put_16 (abfd, (bfd_vma) NOP_OPCODE, contents + toaddr - count + i);
}
/* Adjust all the relocs. */
for (irel = elf_section_data (sec)->relocs; irel < irelend; irel++)
{
bfd_vma nraddr, stop;
bfd_vma start = 0;
int insn = 0;
int off, adjust, oinsn;
bfd_signed_vma voff = 0;
bfd_boolean overflow;
/* Get the new reloc address. */
nraddr = irel->r_offset;
if ((irel->r_offset > addr
&& irel->r_offset < toaddr)
|| (ELF32_R_TYPE (irel->r_info) == (int) R_SH_ALIGN
&& irel->r_offset == toaddr))
nraddr -= count;
/* See if this reloc was for the bytes we have deleted, in which
case we no longer care about it. Don't delete relocs which
represent addresses, though. */
if (irel->r_offset >= addr
&& irel->r_offset < addr + count
&& ELF32_R_TYPE (irel->r_info) != (int) R_SH_ALIGN
&& ELF32_R_TYPE (irel->r_info) != (int) R_SH_CODE
&& ELF32_R_TYPE (irel->r_info) != (int) R_SH_DATA
&& ELF32_R_TYPE (irel->r_info) != (int) R_SH_LABEL)
irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
(int) R_SH_NONE);
/* If this is a PC relative reloc, see if the range it covers
includes the bytes we have deleted. */
switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
{
default:
break;
case R_SH_DIR8WPN:
case R_SH_IND12W:
case R_SH_DIR8WPZ:
case R_SH_DIR8WPL:
start = irel->r_offset;
insn = bfd_get_16 (abfd, contents + nraddr);
break;
}
switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
{
default:
start = stop = addr;
break;
case R_SH_DIR32:
/* If this reloc is against a symbol defined in this
section, and the symbol will not be adjusted below, we
must check the addend to see it will put the value in
range to be adjusted, and hence must be changed. */
if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
{
isym = isymbuf + ELF32_R_SYM (irel->r_info);
if (isym->st_shndx == sec_shndx
&& (isym->st_value <= addr
|| isym->st_value >= toaddr))
{
bfd_vma val;
if (get_howto_table (abfd)[R_SH_DIR32].partial_inplace)
{
val = bfd_get_32 (abfd, contents + nraddr);
val += isym->st_value;
if (val > addr && val < toaddr)
bfd_put_32 (abfd, val - count, contents + nraddr);
}
else
{
val = isym->st_value + irel->r_addend;
if (val > addr && val < toaddr)
irel->r_addend -= count;
}
}
}
start = stop = addr;
break;
case R_SH_DIR8WPN:
off = insn & 0xff;
if (off & 0x80)
off -= 0x100;
stop = (bfd_vma) ((bfd_signed_vma) start + 4 + off * 2);
break;
case R_SH_IND12W:
off = insn & 0xfff;
if (! off)
{
/* This has been made by previous relaxation. Since the
relocation will be against an external symbol, the
final relocation will just do the right thing. */
start = stop = addr;
}
else
{
if (off & 0x800)
off -= 0x1000;
stop = (bfd_vma) ((bfd_signed_vma) start + 4 + off * 2);
/* The addend will be against the section symbol, thus
for adjusting the addend, the relevant start is the
start of the section.
N.B. If we want to abandon in-place changes here and
test directly using symbol + addend, we have to take into
account that the addend has already been adjusted by -4. */
if (stop > addr && stop < toaddr)
irel->r_addend -= count;
}
break;
case R_SH_DIR8WPZ:
off = insn & 0xff;
stop = start + 4 + off * 2;
break;
case R_SH_DIR8WPL:
off = insn & 0xff;
stop = (start & ~(bfd_vma) 3) + 4 + off * 4;
break;
case R_SH_SWITCH8:
case R_SH_SWITCH16:
case R_SH_SWITCH32:
/* These relocs types represent
.word L2-L1
The r_addend field holds the difference between the reloc
address and L1. That is the start of the reloc, and
adding in the contents gives us the top. We must adjust
both the r_offset field and the section contents.
N.B. in gas / coff bfd, the elf bfd r_addend is called r_offset,
and the elf bfd r_offset is called r_vaddr. */
stop = irel->r_offset;
start = (bfd_vma) ((bfd_signed_vma) stop - (long) irel->r_addend);
if (start > addr
&& start < toaddr
&& (stop <= addr || stop >= toaddr))
irel->r_addend += count;
else if (stop > addr
&& stop < toaddr
&& (start <= addr || start >= toaddr))
irel->r_addend -= count;
if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_SWITCH16)
voff = bfd_get_signed_16 (abfd, contents + nraddr);
else if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_SWITCH8)
voff = bfd_get_8 (abfd, contents + nraddr);
else
voff = bfd_get_signed_32 (abfd, contents + nraddr);
stop = (bfd_vma) ((bfd_signed_vma) start + voff);
break;
case R_SH_USES:
start = irel->r_offset;
stop = (bfd_vma) ((bfd_signed_vma) start
+ (long) irel->r_addend
+ 4);
break;
}
if (start > addr
&& start < toaddr
&& (stop <= addr || stop >= toaddr))
adjust = count;
else if (stop > addr
&& stop < toaddr
&& (start <= addr || start >= toaddr))
adjust = - count;
else
adjust = 0;
if (adjust != 0)
{
oinsn = insn;
overflow = FALSE;
switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
{
default:
abort ();
break;
case R_SH_DIR8WPN:
case R_SH_DIR8WPZ:
insn += adjust / 2;
if ((oinsn & 0xff00) != (insn & 0xff00))
overflow = TRUE;
bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
break;
case R_SH_IND12W:
insn += adjust / 2;
if ((oinsn & 0xf000) != (insn & 0xf000))
overflow = TRUE;
bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
break;
case R_SH_DIR8WPL:
BFD_ASSERT (adjust == count || count >= 4);
if (count >= 4)
insn += adjust / 4;
else
{
if ((irel->r_offset & 3) == 0)
++insn;
}
if ((oinsn & 0xff00) != (insn & 0xff00))
overflow = TRUE;
bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
break;
case R_SH_SWITCH8:
voff += adjust;
if (voff < 0 || voff >= 0xff)
overflow = TRUE;
bfd_put_8 (abfd, voff, contents + nraddr);
break;
case R_SH_SWITCH16:
voff += adjust;
if (voff < - 0x8000 || voff >= 0x8000)
overflow = TRUE;
bfd_put_signed_16 (abfd, (bfd_vma) voff, contents + nraddr);
break;
case R_SH_SWITCH32:
voff += adjust;
bfd_put_signed_32 (abfd, (bfd_vma) voff, contents + nraddr);
break;
case R_SH_USES:
irel->r_addend += adjust;
break;
}
if (overflow)
{
_bfd_error_handler
/* xgettext:c-format */
(_("%B: %#Lx: fatal: reloc overflow while relaxing"),
abfd, irel->r_offset);
bfd_set_error (bfd_error_bad_value);
return FALSE;
}
}
irel->r_offset = nraddr;
}
/* Look through all the other sections. If there contain any IMM32
relocs against internal symbols which we are not going to adjust
below, we may need to adjust the addends. */
for (o = abfd->sections; o != NULL; o = o->next)
{
Elf_Internal_Rela *internal_relocs;
Elf_Internal_Rela *irelscan, *irelscanend;
bfd_byte *ocontents;
if (o == sec
|| (o->flags & SEC_RELOC) == 0
|| o->reloc_count == 0)
continue;
/* We always cache the relocs. Perhaps, if info->keep_memory is
FALSE, we should free them, if we are permitted to, when we
leave sh_coff_relax_section. */
internal_relocs = (_bfd_elf_link_read_relocs
(abfd, o, NULL, (Elf_Internal_Rela *) NULL, TRUE));
if (internal_relocs == NULL)
return FALSE;
ocontents = NULL;
irelscanend = internal_relocs + o->reloc_count;
for (irelscan = internal_relocs; irelscan < irelscanend; irelscan++)
{
/* Dwarf line numbers use R_SH_SWITCH32 relocs. */
if (ELF32_R_TYPE (irelscan->r_info) == (int) R_SH_SWITCH32)
{
bfd_vma start, stop;
bfd_signed_vma voff;
if (ocontents == NULL)
{
if (elf_section_data (o)->this_hdr.contents != NULL)
ocontents = elf_section_data (o)->this_hdr.contents;
else
{
/* We always cache the section contents.
Perhaps, if info->keep_memory is FALSE, we
should free them, if we are permitted to,
when we leave sh_coff_relax_section. */
if (!bfd_malloc_and_get_section (abfd, o, &ocontents))
{
if (ocontents != NULL)
free (ocontents);
return FALSE;
}
elf_section_data (o)->this_hdr.contents = ocontents;
}
}
stop = irelscan->r_offset;
start
= (bfd_vma) ((bfd_signed_vma) stop - (long) irelscan->r_addend);
/* STOP is in a different section, so it won't change. */
if (start > addr && start < toaddr)
irelscan->r_addend += count;
voff = bfd_get_signed_32 (abfd, ocontents + irelscan->r_offset);
stop = (bfd_vma) ((bfd_signed_vma) start + voff);
if (start > addr
&& start < toaddr
&& (stop <= addr || stop >= toaddr))
bfd_put_signed_32 (abfd, (bfd_vma) voff + count,
ocontents + irelscan->r_offset);
else if (stop > addr
&& stop < toaddr
&& (start <= addr || start >= toaddr))
bfd_put_signed_32 (abfd, (bfd_vma) voff - count,
ocontents + irelscan->r_offset);
}
if (ELF32_R_TYPE (irelscan->r_info) != (int) R_SH_DIR32)
continue;
if (ELF32_R_SYM (irelscan->r_info) >= symtab_hdr->sh_info)
continue;
isym = isymbuf + ELF32_R_SYM (irelscan->r_info);
if (isym->st_shndx == sec_shndx
&& (isym->st_value <= addr
|| isym->st_value >= toaddr))
{
bfd_vma val;
if (ocontents == NULL)
{
if (elf_section_data (o)->this_hdr.contents != NULL)
ocontents = elf_section_data (o)->this_hdr.contents;
else
{
/* We always cache the section contents.
Perhaps, if info->keep_memory is FALSE, we
should free them, if we are permitted to,
when we leave sh_coff_relax_section. */
if (!bfd_malloc_and_get_section (abfd, o, &ocontents))
{
if (ocontents != NULL)
free (ocontents);
return FALSE;
}
elf_section_data (o)->this_hdr.contents = ocontents;
}
}
val = bfd_get_32 (abfd, ocontents + irelscan->r_offset);
val += isym->st_value;
if (val > addr && val < toaddr)
bfd_put_32 (abfd, val - count,
ocontents + irelscan->r_offset);
}
}
}
/* Adjust the local symbols defined in this section. */
isymend = isymbuf + symtab_hdr->sh_info;
for (isym = isymbuf; isym < isymend; isym++)
{
if (isym->st_shndx == sec_shndx
&& isym->st_value > addr
&& isym->st_value < toaddr)
isym->st_value -= count;
}
/* Now adjust the global symbols defined in this section. */
symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
- symtab_hdr->sh_info);
sym_hashes = elf_sym_hashes (abfd);
end_hashes = sym_hashes + symcount;
for (; sym_hashes < end_hashes; sym_hashes++)
{
struct elf_link_hash_entry *sym_hash = *sym_hashes;
if ((sym_hash->root.type == bfd_link_hash_defined
|| sym_hash->root.type == bfd_link_hash_defweak)
&& sym_hash->root.u.def.section == sec
&& sym_hash->root.u.def.value > addr
&& sym_hash->root.u.def.value < toaddr)
{
sym_hash->root.u.def.value -= count;
}
}
/* See if we can move the ALIGN reloc forward. We have adjusted
r_offset for it already. */
if (irelalign != NULL)
{
bfd_vma alignto, alignaddr;
alignto = BFD_ALIGN (toaddr, 1 << irelalign->r_addend);
alignaddr = BFD_ALIGN (irelalign->r_offset,
1 << irelalign->r_addend);
if (alignto != alignaddr)
{
/* Tail recursion. */
return sh_elf_relax_delete_bytes (abfd, sec, alignaddr,
(int) (alignto - alignaddr));
}
}
return TRUE;
}
/* Look for loads and stores which we can align to four byte
boundaries. This is like sh_align_loads in coff-sh.c. */
static bfd_boolean
sh_elf_align_loads (bfd *abfd ATTRIBUTE_UNUSED, asection *sec,
Elf_Internal_Rela *internal_relocs,
bfd_byte *contents ATTRIBUTE_UNUSED,
bfd_boolean *pswapped)
{
Elf_Internal_Rela *irel, *irelend;
bfd_vma *labels = NULL;
bfd_vma *label, *label_end;
bfd_size_type amt;
*pswapped = FALSE;
irelend = internal_relocs + sec->reloc_count;
/* Get all the addresses with labels on them. */
amt = sec->reloc_count;
amt *= sizeof (bfd_vma);
labels = (bfd_vma *) bfd_malloc (amt);
if (labels == NULL)
goto error_return;
label_end = labels;
for (irel = internal_relocs; irel < irelend; irel++)
{
if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_LABEL)
{
*label_end = irel->r_offset;
++label_end;
}
}
/* Note that the assembler currently always outputs relocs in
address order. If that ever changes, this code will need to sort
the label values and the relocs. */
label = labels;
for (irel = internal_relocs; irel < irelend; irel++)
{
bfd_vma start, stop;
if (ELF32_R_TYPE (irel->r_info) != (int) R_SH_CODE)
continue;
start = irel->r_offset;
for (irel++; irel < irelend; irel++)
if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_DATA)
break;
if (irel < irelend)
stop = irel->r_offset;
else
stop = sec->size;
if (! _bfd_sh_align_load_span (abfd, sec, contents, sh_elf_swap_insns,
internal_relocs, &label,
label_end, start, stop, pswapped))
goto error_return;
}
free (labels);
return TRUE;
error_return:
if (labels != NULL)
free (labels);
return FALSE;
}
#ifndef SH64_ELF
/* Swap two SH instructions. This is like sh_swap_insns in coff-sh.c. */
static bfd_boolean
sh_elf_swap_insns (bfd *abfd, asection *sec, void *relocs,
bfd_byte *contents, bfd_vma addr)
{
Elf_Internal_Rela *internal_relocs = (Elf_Internal_Rela *) relocs;
unsigned short i1, i2;
Elf_Internal_Rela *irel, *irelend;
/* Swap the instructions themselves. */
i1 = bfd_get_16 (abfd, contents + addr);
i2 = bfd_get_16 (abfd, contents + addr + 2);
bfd_put_16 (abfd, (bfd_vma) i2, contents + addr);
bfd_put_16 (abfd, (bfd_vma) i1, contents + addr + 2);
/* Adjust all reloc addresses. */
irelend = internal_relocs + sec->reloc_count;
for (irel = internal_relocs; irel < irelend; irel++)
{
enum elf_sh_reloc_type type;
int add;
/* There are a few special types of relocs that we don't want to
adjust. These relocs do not apply to the instruction itself,
but are only associated with the address. */
type = (enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info);
if (type == R_SH_ALIGN
|| type == R_SH_CODE
|| type == R_SH_DATA
|| type == R_SH_LABEL)
continue;
/* If an R_SH_USES reloc points to one of the addresses being
swapped, we must adjust it. It would be incorrect to do this
for a jump, though, since we want to execute both
instructions after the jump. (We have avoided swapping
around a label, so the jump will not wind up executing an
instruction it shouldn't). */
if (type == R_SH_USES)
{
bfd_vma off;
off = irel->r_offset + 4 + irel->r_addend;
if (off == addr)
irel->r_offset += 2;
else if (off == addr + 2)
irel->r_offset -= 2;
}
if (irel->r_offset == addr)
{
irel->r_offset += 2;
add = -2;
}
else if (irel->r_offset == addr + 2)
{
irel->r_offset -= 2;
add = 2;
}
else
add = 0;
if (add != 0)
{
bfd_byte *loc;
unsigned short insn, oinsn;
bfd_boolean overflow;
loc = contents + irel->r_offset;
overflow = FALSE;
switch (type)
{
default:
break;
case R_SH_DIR8WPN:
case R_SH_DIR8WPZ:
insn = bfd_get_16 (abfd, loc);
oinsn = insn;
insn += add / 2;
if ((oinsn & 0xff00) != (insn & 0xff00))
overflow = TRUE;
bfd_put_16 (abfd, (bfd_vma) insn, loc);
break;
case R_SH_IND12W:
insn = bfd_get_16 (abfd, loc);
oinsn = insn;
insn += add / 2;
if ((oinsn & 0xf000) != (insn & 0xf000))
overflow = TRUE;
bfd_put_16 (abfd, (bfd_vma) insn, loc);
break;
case R_SH_DIR8WPL:
/* This reloc ignores the least significant 3 bits of
the program counter before adding in the offset.
This means that if ADDR is at an even address, the
swap will not affect the offset. If ADDR is an at an
odd address, then the instruction will be crossing a
four byte boundary, and must be adjusted. */
if ((addr & 3) != 0)
{
insn = bfd_get_16 (abfd, loc);
oinsn = insn;
insn += add / 2;
if ((oinsn & 0xff00) != (insn & 0xff00))
overflow = TRUE;
bfd_put_16 (abfd, (bfd_vma) insn, loc);
}
break;
}
if (overflow)
{
_bfd_error_handler
/* xgettext:c-format */
(_("%B: %#Lx: fatal: reloc overflow while relaxing"),
abfd, irel->r_offset);
bfd_set_error (bfd_error_bad_value);
return FALSE;
}
}
}
return TRUE;
}
#endif /* defined SH64_ELF */
/* Describes one of the various PLT styles. */
struct elf_sh_plt_info
{
/* The template for the first PLT entry, or NULL if there is no special
first entry. */
const bfd_byte *plt0_entry;
/* The size of PLT0_ENTRY in bytes, or 0 if PLT0_ENTRY is NULL. */
bfd_vma plt0_entry_size;
/* Index I is the offset into PLT0_ENTRY of a pointer to
_GLOBAL_OFFSET_TABLE_ + I * 4. The value is MINUS_ONE
if there is no such pointer. */
bfd_vma plt0_got_fields[3];
/* The template for a symbol's PLT entry. */
const bfd_byte *symbol_entry;
/* The size of SYMBOL_ENTRY in bytes. */
bfd_vma symbol_entry_size;
/* Byte offsets of fields in SYMBOL_ENTRY. Not all fields are used
on all targets. The comments by each member indicate the value
that the field must hold. */
struct {
bfd_vma got_entry; /* the address of the symbol's .got.plt entry */
bfd_vma plt; /* .plt (or a branch to .plt on VxWorks) */
bfd_vma reloc_offset; /* the offset of the symbol's JMP_SLOT reloc */
bfd_boolean got20; /* TRUE if got_entry points to a movi20
instruction (instead of a constant pool
entry). */
} symbol_fields;
/* The offset of the resolver stub from the start of SYMBOL_ENTRY. */
bfd_vma symbol_resolve_offset;
/* A different PLT layout which can be used for the first
MAX_SHORT_PLT entries. It must share the same plt0. NULL in
other cases. */
const struct elf_sh_plt_info *short_plt;
};
#ifdef INCLUDE_SHMEDIA
/* The size in bytes of an entry in the procedure linkage table. */
#define ELF_PLT_ENTRY_SIZE 64
/* First entry in an absolute procedure linkage table look like this. */
static const bfd_byte elf_sh_plt0_entry_be[ELF_PLT_ENTRY_SIZE] =
{
0xcc, 0x00, 0x01, 0x10, /* movi .got.plt >> 16, r17 */
0xc8, 0x00, 0x01, 0x10, /* shori .got.plt & 65535, r17 */
0x89, 0x10, 0x09, 0x90, /* ld.l r17, 8, r25 */
0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
0x89, 0x10, 0x05, 0x10, /* ld.l r17, 4, r17 */
0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
0x6f, 0xf0, 0xff, 0xf0, /* nop */
0x6f, 0xf0, 0xff, 0xf0, /* nop */
0x6f, 0xf0, 0xff, 0xf0, /* nop */
0x6f, 0xf0, 0xff, 0xf0, /* nop */
0x6f, 0xf0, 0xff, 0xf0, /* nop */
0x6f, 0xf0, 0xff, 0xf0, /* nop */
0x6f, 0xf0, 0xff, 0xf0, /* nop */
0x6f, 0xf0, 0xff, 0xf0, /* nop */
0x6f, 0xf0, 0xff, 0xf0, /* nop */
0x6f, 0xf0, 0xff, 0xf0, /* nop */
};
static const bfd_byte elf_sh_plt0_entry_le[ELF_PLT_ENTRY_SIZE] =
{
0x10, 0x01, 0x00, 0xcc, /* movi .got.plt >> 16, r17 */
0x10, 0x01, 0x00, 0xc8, /* shori .got.plt & 65535, r17 */
0x90, 0x09, 0x10, 0x89, /* ld.l r17, 8, r25 */
0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
0x10, 0x05, 0x10, 0x89, /* ld.l r17, 4, r17 */
0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
0xf0, 0xff, 0xf0, 0x6f, /* nop */
0xf0, 0xff, 0xf0, 0x6f, /* nop */
0xf0, 0xff, 0xf0, 0x6f, /* nop */
0xf0, 0xff, 0xf0, 0x6f, /* nop */
0xf0, 0xff, 0xf0, 0x6f, /* nop */
0xf0, 0xff, 0xf0, 0x6f, /* nop */
0xf0, 0xff, 0xf0, 0x6f, /* nop */
0xf0, 0xff, 0xf0, 0x6f, /* nop */
0xf0, 0xff, 0xf0, 0x6f, /* nop */
0xf0, 0xff, 0xf0, 0x6f, /* nop */
};
/* Sebsequent entries in an absolute procedure linkage table look like
this. */
static const bfd_byte elf_sh_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
{
0xcc, 0x00, 0x01, 0x90, /* movi nameN-in-GOT >> 16, r25 */
0xc8, 0x00, 0x01, 0x90, /* shori nameN-in-GOT & 65535, r25 */
0x89, 0x90, 0x01, 0x90, /* ld.l r25, 0, r25 */
0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
0x6f, 0xf0, 0xff, 0xf0, /* nop */
0x6f, 0xf0, 0xff, 0xf0, /* nop */
0x6f, 0xf0, 0xff, 0xf0, /* nop */
0xcc, 0x00, 0x01, 0x90, /* movi .PLT0 >> 16, r25 */
0xc8, 0x00, 0x01, 0x90, /* shori .PLT0 & 65535, r25 */
0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */
0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */
0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
0x6f, 0xf0, 0xff, 0xf0, /* nop */
0x6f, 0xf0, 0xff, 0xf0, /* nop */
};
static const bfd_byte elf_sh_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
{
0x90, 0x01, 0x00, 0xcc, /* movi nameN-in-GOT >> 16, r25 */
0x90, 0x01, 0x00, 0xc8, /* shori nameN-in-GOT & 65535, r25 */
0x90, 0x01, 0x90, 0x89, /* ld.l r25, 0, r25 */
0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
0xf0, 0xff, 0xf0, 0x6f, /* nop */
0xf0, 0xff, 0xf0, 0x6f, /* nop */
0xf0, 0xff, 0xf0, 0x6f, /* nop */
0x90, 0x01, 0x00, 0xcc, /* movi .PLT0 >> 16, r25 */
0x90, 0x01, 0x00, 0xc8, /* shori .PLT0 & 65535, r25 */
0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */
0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */
0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
0xf0, 0xff, 0xf0, 0x6f, /* nop */
0xf0, 0xff, 0xf0, 0x6f, /* nop */
};
/* Entries in a PIC procedure linkage table look like this. */
static const bfd_byte elf_sh_pic_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
{
0xcc, 0x00, 0x01, 0x90, /* movi nameN@GOT >> 16, r25 */
0xc8, 0x00, 0x01, 0x90, /* shori nameN@GOT & 65535, r25 */
0x40, 0xc2, 0x65, 0x90, /* ldx.l r12, r25, r25 */
0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
0x6f, 0xf0, 0xff, 0xf0, /* nop */
0x6f, 0xf0, 0xff, 0xf0, /* nop */
0x6f, 0xf0, 0xff, 0xf0, /* nop */
0xce, 0x00, 0x01, 0x10, /* movi -GOT_BIAS, r17 */
0x00, 0xc8, 0x45, 0x10, /* add.l r12, r17, r17 */
0x89, 0x10, 0x09, 0x90, /* ld.l r17, 8, r25 */
0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
0x89, 0x10, 0x05, 0x10, /* ld.l r17, 4, r17 */
0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */
0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */
0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
};
static const bfd_byte elf_sh_pic_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
{
0x90, 0x01, 0x00, 0xcc, /* movi nameN@GOT >> 16, r25 */
0x90, 0x01, 0x00, 0xc8, /* shori nameN@GOT & 65535, r25 */
0x90, 0x65, 0xc2, 0x40, /* ldx.l r12, r25, r25 */
0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
0xf0, 0xff, 0xf0, 0x6f, /* nop */
0xf0, 0xff, 0xf0, 0x6f, /* nop */
0xf0, 0xff, 0xf0, 0x6f, /* nop */
0x10, 0x01, 0x00, 0xce, /* movi -GOT_BIAS, r17 */
0x10, 0x45, 0xc8, 0x00, /* add.l r12, r17, r17 */
0x90, 0x09, 0x10, 0x89, /* ld.l r17, 8, r25 */
0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
0x10, 0x05, 0x10, 0x89, /* ld.l r17, 4, r17 */
0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */
0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */
0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
};
static const struct elf_sh_plt_info elf_sh_plts[2][2] = {
{
{
/* Big-endian non-PIC. */
elf_sh_plt0_entry_be,
ELF_PLT_ENTRY_SIZE,
{ 0, MINUS_ONE, MINUS_ONE },
elf_sh_plt_entry_be,
ELF_PLT_ENTRY_SIZE,
{ 0, 32, 48, FALSE },
33, /* includes ISA encoding */
NULL
},
{
/* Little-endian non-PIC. */
elf_sh_plt0_entry_le,
ELF_PLT_ENTRY_SIZE,
{ 0, MINUS_ONE, MINUS_ONE },
elf_sh_plt_entry_le,
ELF_PLT_ENTRY_SIZE,
{ 0, 32, 48, FALSE },
33, /* includes ISA encoding */
NULL
},
},
{
{
/* Big-endian PIC. */
elf_sh_plt0_entry_be,
ELF_PLT_ENTRY_SIZE,
{ MINUS_ONE, MINUS_ONE, MINUS_ONE },
elf_sh_pic_plt_entry_be,
ELF_PLT_ENTRY_SIZE,
{ 0, MINUS_ONE, 52, FALSE },
33, /* includes ISA encoding */
NULL
},
{
/* Little-endian PIC. */
elf_sh_plt0_entry_le,
ELF_PLT_ENTRY_SIZE,
{ MINUS_ONE, MINUS_ONE, MINUS_ONE },
elf_sh_pic_plt_entry_le,
ELF_PLT_ENTRY_SIZE,
{ 0, MINUS_ONE, 52, FALSE },
33, /* includes ISA encoding */
NULL
},
}
};
/* Return offset of the linker in PLT0 entry. */
#define elf_sh_plt0_gotplt_offset(info) 0
/* Install a 32-bit PLT field starting at ADDR, which occurs in OUTPUT_BFD.
VALUE is the field's value and CODE_P is true if VALUE refers to code,
not data.
On SH64, each 32-bit field is loaded by a movi/shori pair. */
inline static void
install_plt_field (bfd *output_bfd, bfd_boolean code_p,
unsigned long value, bfd_byte *addr)
{
value |= code_p;
bfd_put_32 (output_bfd,
bfd_get_32 (output_bfd, addr)
| ((value >> 6) & 0x3fffc00),
addr);
bfd_put_32 (output_bfd,
bfd_get_32 (output_bfd, addr + 4)
| ((value << 10) & 0x3fffc00),
addr + 4);
}
/* Return the type of PLT associated with ABFD. PIC_P is true if
the object is position-independent. */
static const struct elf_sh_plt_info *
get_plt_info (bfd *abfd ATTRIBUTE_UNUSED, bfd_boolean pic_p)
{
return &elf_sh_plts[pic_p][!bfd_big_endian (abfd)];
}
#else
/* The size in bytes of an entry in the procedure linkage table. */
#define ELF_PLT_ENTRY_SIZE 28
/* First entry in an absolute procedure linkage table look like this. */
/* Note - this code has been "optimised" not to use r2. r2 is used by
GCC to return the address of large structures, so it should not be
corrupted here. This does mean however, that this PLT does not conform
to the SH PIC ABI. That spec says that r0 contains the type of the PLT
and r2 contains the GOT id. This version stores the GOT id in r0 and
ignores the type. Loaders can easily detect this difference however,
since the type will always be 0 or 8, and the GOT ids will always be
greater than or equal to 12. */
static const bfd_byte elf_sh_plt0_entry_be[ELF_PLT_ENTRY_SIZE] =
{
0xd0, 0x05, /* mov.l 2f,r0 */
0x60, 0x02, /* mov.l @r0,r0 */
0x2f, 0x06, /* mov.l r0,@-r15 */
0xd0, 0x03, /* mov.l 1f,r0 */
0x60, 0x02, /* mov.l @r0,r0 */
0x40, 0x2b, /* jmp @r0 */
0x60, 0xf6, /* mov.l @r15+,r0 */
0x00, 0x09, /* nop */
0x00, 0x09, /* nop */
0x00, 0x09, /* nop */
0, 0, 0, 0, /* 1: replaced with address of .got.plt + 8. */
0, 0, 0, 0, /* 2: replaced with address of .got.plt + 4. */
};
static const bfd_byte elf_sh_plt0_entry_le[ELF_PLT_ENTRY_SIZE] =
{
0x05, 0xd0, /* mov.l 2f,r0 */
0x02, 0x60, /* mov.l @r0,r0 */
0x06, 0x2f, /* mov.l r0,@-r15 */
0x03, 0xd0, /* mov.l 1f,r0 */
0x02, 0x60, /* mov.l @r0,r0 */
0x2b, 0x40, /* jmp @r0 */
0xf6, 0x60, /* mov.l @r15+,r0 */
0x09, 0x00, /* nop */
0x09, 0x00, /* nop */
0x09, 0x00, /* nop */
0, 0, 0, 0, /* 1: replaced with address of .got.plt + 8. */
0, 0, 0, 0, /* 2: replaced with address of .got.plt + 4. */
};
/* Sebsequent entries in an absolute procedure linkage table look like
this. */
static const bfd_byte elf_sh_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
{
0xd0, 0x04, /* mov.l 1f,r0 */
0x60, 0x02, /* mov.l @(r0,r12),r0 */
0xd1, 0x02, /* mov.l 0f,r1 */
0x40, 0x2b, /* jmp @r0 */
0x60, 0x13, /* mov r1,r0 */
0xd1, 0x03, /* mov.l 2f,r1 */
0x40, 0x2b, /* jmp @r0 */
0x00, 0x09, /* nop */
0, 0, 0, 0, /* 0: replaced with address of .PLT0. */
0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
0, 0, 0, 0, /* 2: replaced with offset into relocation table. */
};
static const bfd_byte elf_sh_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
{
0x04, 0xd0, /* mov.l 1f,r0 */
0x02, 0x60, /* mov.l @r0,r0 */
0x02, 0xd1, /* mov.l 0f,r1 */
0x2b, 0x40, /* jmp @r0 */
0x13, 0x60, /* mov r1,r0 */
0x03, 0xd1, /* mov.l 2f,r1 */
0x2b, 0x40, /* jmp @r0 */
0x09, 0x00, /* nop */
0, 0, 0, 0, /* 0: replaced with address of .PLT0. */
0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
0, 0, 0, 0, /* 2: replaced with offset into relocation table. */
};
/* Entries in a PIC procedure linkage table look like this. */
static const bfd_byte elf_sh_pic_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
{
0xd0, 0x04, /* mov.l 1f,r0 */
0x00, 0xce, /* mov.l @(r0,r12),r0 */
0x40, 0x2b, /* jmp @r0 */
0x00, 0x09, /* nop */
0x50, 0xc2, /* mov.l @(8,r12),r0 */
0xd1, 0x03, /* mov.l 2f,r1 */
0x40, 0x2b, /* jmp @r0 */
0x50, 0xc1, /* mov.l @(4,r12),r0 */
0x00, 0x09, /* nop */
0x00, 0x09, /* nop */
0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
0, 0, 0, 0 /* 2: replaced with offset into relocation table. */
};
static const bfd_byte elf_sh_pic_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
{
0x04, 0xd0, /* mov.l 1f,r0 */
0xce, 0x00, /* mov.l @(r0,r12),r0 */
0x2b, 0x40, /* jmp @r0 */
0x09, 0x00, /* nop */
0xc2, 0x50, /* mov.l @(8,r12),r0 */
0x03, 0xd1, /* mov.l 2f,r1 */
0x2b, 0x40, /* jmp @r0 */
0xc1, 0x50, /* mov.l @(4,r12),r0 */
0x09, 0x00, /* nop */
0x09, 0x00, /* nop */
0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
0, 0, 0, 0 /* 2: replaced with offset into relocation table. */
};
static const struct elf_sh_plt_info elf_sh_plts[2][2] = {
{
{
/* Big-endian non-PIC. */
elf_sh_plt0_entry_be,
ELF_PLT_ENTRY_SIZE,
{ MINUS_ONE, 24, 20 },
elf_sh_plt_entry_be,
ELF_PLT_ENTRY_SIZE,
{ 20, 16, 24, FALSE },
8,
NULL
},
{
/* Little-endian non-PIC. */
elf_sh_plt0_entry_le,
ELF_PLT_ENTRY_SIZE,
{ MINUS_ONE, 24, 20 },
elf_sh_plt_entry_le,
ELF_PLT_ENTRY_SIZE,
{ 20, 16, 24, FALSE },
8,
NULL
},
},
{
{
/* Big-endian PIC. */
elf_sh_plt0_entry_be,
ELF_PLT_ENTRY_SIZE,
{ MINUS_ONE, MINUS_ONE, MINUS_ONE },
elf_sh_pic_plt_entry_be,
ELF_PLT_ENTRY_SIZE,
{ 20, MINUS_ONE, 24, FALSE },
8,
NULL
},
{
/* Little-endian PIC. */
elf_sh_plt0_entry_le,
ELF_PLT_ENTRY_SIZE,
{ MINUS_ONE, MINUS_ONE, MINUS_ONE },
elf_sh_pic_plt_entry_le,
ELF_PLT_ENTRY_SIZE,
{ 20, MINUS_ONE, 24, FALSE },
8,
NULL
},
}
};
#define VXWORKS_PLT_HEADER_SIZE 12
#define VXWORKS_PLT_ENTRY_SIZE 24
static const bfd_byte vxworks_sh_plt0_entry_be[VXWORKS_PLT_HEADER_SIZE] =
{
0xd1, 0x01, /* mov.l @(8,pc),r1 */
0x61, 0x12, /* mov.l @r1,r1 */
0x41, 0x2b, /* jmp @r1 */
0x00, 0x09, /* nop */
0, 0, 0, 0 /* 0: replaced with _GLOBAL_OFFSET_TABLE+8. */
};
static const bfd_byte vxworks_sh_plt0_entry_le[VXWORKS_PLT_HEADER_SIZE] =
{
0x01, 0xd1, /* mov.l @(8,pc),r1 */
0x12, 0x61, /* mov.l @r1,r1 */
0x2b, 0x41, /* jmp @r1 */
0x09, 0x00, /* nop */
0, 0, 0, 0 /* 0: replaced with _GLOBAL_OFFSET_TABLE+8. */
};
static const bfd_byte vxworks_sh_plt_entry_be[VXWORKS_PLT_ENTRY_SIZE] =
{
0xd0, 0x01, /* mov.l @(8,pc),r0 */
0x60, 0x02, /* mov.l @r0,r0 */
0x40, 0x2b, /* jmp @r0 */
0x00, 0x09, /* nop */
0, 0, 0, 0, /* 0: replaced with address of this symbol in .got. */
0xd0, 0x01, /* mov.l @(8,pc),r0 */
0xa0, 0x00, /* bra PLT (We need to fix the offset.) */
0x00, 0x09, /* nop */
0x00, 0x09, /* nop */
0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
};
static const bfd_byte vxworks_sh_plt_entry_le[VXWORKS_PLT_ENTRY_SIZE] =
{
0x01, 0xd0, /* mov.l @(8,pc),r0 */
0x02, 0x60, /* mov.l @r0,r0 */
0x2b, 0x40, /* jmp @r0 */
0x09, 0x00, /* nop */
0, 0, 0, 0, /* 0: replaced with address of this symbol in .got. */
0x01, 0xd0, /* mov.l @(8,pc),r0 */
0x00, 0xa0, /* bra PLT (We need to fix the offset.) */
0x09, 0x00, /* nop */
0x09, 0x00, /* nop */
0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
};
static const bfd_byte vxworks_sh_pic_plt_entry_be[VXWORKS_PLT_ENTRY_SIZE] =
{
0xd0, 0x01, /* mov.l @(8,pc),r0 */
0x00, 0xce, /* mov.l @(r0,r12),r0 */
0x40, 0x2b, /* jmp @r0 */
0x00, 0x09, /* nop */
0, 0, 0, 0, /* 0: replaced with offset of this symbol in .got. */
0xd0, 0x01, /* mov.l @(8,pc),r0 */
0x51, 0xc2, /* mov.l @(8,r12),r1 */
0x41, 0x2b, /* jmp @r1 */
0x00, 0x09, /* nop */
0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
};
static const bfd_byte vxworks_sh_pic_plt_entry_le[VXWORKS_PLT_ENTRY_SIZE] =
{
0x01, 0xd0, /* mov.l @(8,pc),r0 */
0xce, 0x00, /* mov.l @(r0,r12),r0 */
0x2b, 0x40, /* jmp @r0 */
0x09, 0x00, /* nop */
0, 0, 0, 0, /* 0: replaced with offset of this symbol in .got. */
0x01, 0xd0, /* mov.l @(8,pc),r0 */
0xc2, 0x51, /* mov.l @(8,r12),r1 */
0x2b, 0x41, /* jmp @r1 */
0x09, 0x00, /* nop */
0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
};
static const struct elf_sh_plt_info vxworks_sh_plts[2][2] = {
{
{
/* Big-endian non-PIC. */
vxworks_sh_plt0_entry_be,
VXWORKS_PLT_HEADER_SIZE,
{ MINUS_ONE, MINUS_ONE, 8 },
vxworks_sh_plt_entry_be,
VXWORKS_PLT_ENTRY_SIZE,
{ 8, 14, 20, FALSE },
12,
NULL
},
{
/* Little-endian non-PIC. */
vxworks_sh_plt0_entry_le,
VXWORKS_PLT_HEADER_SIZE,
{ MINUS_ONE, MINUS_ONE, 8 },
vxworks_sh_plt_entry_le,
VXWORKS_PLT_ENTRY_SIZE,
{ 8, 14, 20, FALSE },
12,
NULL
},
},
{
{
/* Big-endian PIC. */
NULL,
0,
{ MINUS_ONE, MINUS_ONE, MINUS_ONE },
vxworks_sh_pic_plt_entry_be,
VXWORKS_PLT_ENTRY_SIZE,
{ 8, MINUS_ONE, 20, FALSE },
12,
NULL
},
{
/* Little-endian PIC. */
NULL,
0,
{ MINUS_ONE, MINUS_ONE, MINUS_ONE },
vxworks_sh_pic_plt_entry_le,
VXWORKS_PLT_ENTRY_SIZE,
{ 8, MINUS_ONE, 20, FALSE },
12,
NULL
},
}
};
/* FDPIC PLT entries. Two unimplemented optimizations for lazy
binding are to omit the lazy binding stub when linking with -z now
and to move lazy binding stubs into a separate region for better
cache behavior. */
#define FDPIC_PLT_ENTRY_SIZE 28
#define FDPIC_PLT_LAZY_OFFSET 20
/* FIXME: The lazy binding stub requires a plt0 - which may need to be
duplicated if it is out of range, or which can be inlined. So
right now it is always inlined, which wastes a word per stub. It
might be easier to handle the duplication if we put the lazy
stubs separately. */
static const bfd_byte fdpic_sh_plt_entry_be[FDPIC_PLT_ENTRY_SIZE] =
{
0xd0, 0x02, /* mov.l @(12,pc),r0 */
0x01, 0xce, /* mov.l @(r0,r12),r1 */
0x70, 0x04, /* add #4, r0 */
0x41, 0x2b, /* jmp @r1 */
0x0c, 0xce, /* mov.l @(r0,r12),r12 */
0x00, 0x09, /* nop */
0, 0, 0, 0, /* 0: replaced with offset of this symbol's funcdesc */
0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
0x60, 0xc2, /* mov.l @r12,r0 */
0x40, 0x2b, /* jmp @r0 */
0x53, 0xc1, /* mov.l @(4,r12),r3 */
0x00, 0x09, /* nop */
};
static const bfd_byte fdpic_sh_plt_entry_le[FDPIC_PLT_ENTRY_SIZE] =
{
0x02, 0xd0, /* mov.l @(12,pc),r0 */
0xce, 0x01, /* mov.l @(r0,r12),r1 */
0x04, 0x70, /* add #4, r0 */
0x2b, 0x41, /* jmp @r1 */
0xce, 0x0c, /* mov.l @(r0,r12),r12 */
0x09, 0x00, /* nop */
0, 0, 0, 0, /* 0: replaced with offset of this symbol's funcdesc */
0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
0xc2, 0x60, /* mov.l @r12,r0 */
0x2b, 0x40, /* jmp @r0 */
0xc1, 0x53, /* mov.l @(4,r12),r3 */
0x09, 0x00, /* nop */
};
static const struct elf_sh_plt_info fdpic_sh_plts[2] = {
{
/* Big-endian PIC. */
NULL,
0,
{ MINUS_ONE, MINUS_ONE, MINUS_ONE },
fdpic_sh_plt_entry_be,
FDPIC_PLT_ENTRY_SIZE,
{ 12, MINUS_ONE, 16, FALSE },
FDPIC_PLT_LAZY_OFFSET,
NULL
},
{
/* Little-endian PIC. */
NULL,
0,
{ MINUS_ONE, MINUS_ONE, MINUS_ONE },
fdpic_sh_plt_entry_le,
FDPIC_PLT_ENTRY_SIZE,
{ 12, MINUS_ONE, 16, FALSE },
FDPIC_PLT_LAZY_OFFSET,
NULL
},
};
/* On SH2A, we can use the movi20 instruction to generate shorter PLT
entries for the first 64K slots. We use the normal FDPIC PLT entry
past that point; we could also use movi20s, which might be faster,
but would not be any smaller. */
#define FDPIC_SH2A_PLT_ENTRY_SIZE 24
#define FDPIC_SH2A_PLT_LAZY_OFFSET 16
static const bfd_byte fdpic_sh2a_plt_entry_be[FDPIC_SH2A_PLT_ENTRY_SIZE] =
{
0, 0, 0, 0, /* movi20 #gotofffuncdesc,r0 */
0x01, 0xce, /* mov.l @(r0,r12),r1 */
0x70, 0x04, /* add #4, r0 */
0x41, 0x2b, /* jmp @r1 */
0x0c, 0xce, /* mov.l @(r0,r12),r12 */
0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
0x60, 0xc2, /* mov.l @r12,r0 */
0x40, 0x2b, /* jmp @r0 */
0x53, 0xc1, /* mov.l @(4,r12),r3 */
0x00, 0x09, /* nop */
};
static const bfd_byte fdpic_sh2a_plt_entry_le[FDPIC_SH2A_PLT_ENTRY_SIZE] =
{
0, 0, 0, 0, /* movi20 #gotofffuncdesc,r0 */
0xce, 0x01, /* mov.l @(r0,r12),r1 */
0x04, 0x70, /* add #4, r0 */
0x2b, 0x41, /* jmp @r1 */
0xce, 0x0c, /* mov.l @(r0,r12),r12 */
0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
0xc2, 0x60, /* mov.l @r12,r0 */
0x2b, 0x40, /* jmp @r0 */
0xc1, 0x53, /* mov.l @(4,r12),r3 */
0x09, 0x00, /* nop */
};
static const struct elf_sh_plt_info fdpic_sh2a_short_plt_be = {
/* Big-endian FDPIC, max index 64K. */
NULL,
0,
{ MINUS_ONE, MINUS_ONE, MINUS_ONE },
fdpic_sh2a_plt_entry_be,
FDPIC_SH2A_PLT_ENTRY_SIZE,
{ 0, MINUS_ONE, 12, TRUE },
FDPIC_SH2A_PLT_LAZY_OFFSET,
NULL
};
static const struct elf_sh_plt_info fdpic_sh2a_short_plt_le = {
/* Little-endian FDPIC, max index 64K. */
NULL,
0,
{ MINUS_ONE, MINUS_ONE, MINUS_ONE },
fdpic_sh2a_plt_entry_le,
FDPIC_SH2A_PLT_ENTRY_SIZE,
{ 0, MINUS_ONE, 12, TRUE },
FDPIC_SH2A_PLT_LAZY_OFFSET,
NULL
};
static const struct elf_sh_plt_info fdpic_sh2a_plts[2] = {
{
/* Big-endian PIC. */
NULL,
0,
{ MINUS_ONE, MINUS_ONE, MINUS_ONE },
fdpic_sh_plt_entry_be,
FDPIC_PLT_ENTRY_SIZE,
{ 12, MINUS_ONE, 16, FALSE },
FDPIC_PLT_LAZY_OFFSET,
&fdpic_sh2a_short_plt_be
},
{
/* Little-endian PIC. */
NULL,
0,
{ MINUS_ONE, MINUS_ONE, MINUS_ONE },
fdpic_sh_plt_entry_le,
FDPIC_PLT_ENTRY_SIZE,
{ 12, MINUS_ONE, 16, FALSE },
FDPIC_PLT_LAZY_OFFSET,
&fdpic_sh2a_short_plt_le
},
};
/* Return the type of PLT associated with ABFD. PIC_P is true if
the object is position-independent. */
static const struct elf_sh_plt_info *
get_plt_info (bfd *abfd, bfd_boolean pic_p)
{
if (fdpic_object_p (abfd))
{
/* If any input file requires SH2A we can use a shorter PLT
sequence. */
if (sh_get_arch_from_bfd_mach (bfd_get_mach (abfd)) & arch_sh2a_base)
return &fdpic_sh2a_plts[!bfd_big_endian (abfd)];
else
return &fdpic_sh_plts[!bfd_big_endian (abfd)];
}
if (vxworks_object_p (abfd))
return &vxworks_sh_plts[pic_p][!bfd_big_endian (abfd)];
return &elf_sh_plts[pic_p][!bfd_big_endian (abfd)];
}
/* Install a 32-bit PLT field starting at ADDR, which occurs in OUTPUT_BFD.
VALUE is the field's value and CODE_P is true if VALUE refers to code,
not data. */
inline static void
install_plt_field (bfd *output_bfd, bfd_boolean code_p ATTRIBUTE_UNUSED,
unsigned long value, bfd_byte *addr)
{
bfd_put_32 (output_bfd, value, addr);
}
#endif
/* The number of PLT entries which can use a shorter PLT, if any.
Currently always 64K, since only SH-2A FDPIC uses this; a
20-bit movi20 can address that many function descriptors below
_GLOBAL_OFFSET_TABLE_. */
#define MAX_SHORT_PLT 65536
/* Return the index of the PLT entry at byte offset OFFSET. */
static bfd_vma
get_plt_index (const struct elf_sh_plt_info *info, bfd_vma offset)
{
bfd_vma plt_index = 0;
offset -= info->plt0_entry_size;
if (info->short_plt != NULL)
{
if (offset > MAX_SHORT_PLT * info->short_plt->symbol_entry_size)
{
plt_index = MAX_SHORT_PLT;
offset -= MAX_SHORT_PLT * info->short_plt->symbol_entry_size;
}
else
info = info->short_plt;
}
return plt_index + offset / info->symbol_entry_size;
}
/* Do the inverse operation. */
static bfd_vma
get_plt_offset (const struct elf_sh_plt_info *info, bfd_vma plt_index)
{
bfd_vma offset = 0;
if (info->short_plt != NULL)
{
if (plt_index > MAX_SHORT_PLT)
{
offset = MAX_SHORT_PLT * info->short_plt->symbol_entry_size;
plt_index -= MAX_SHORT_PLT;
}
else
info = info->short_plt;
}
return (offset + info->plt0_entry_size
+ (plt_index * info->symbol_entry_size));
}
/* The sh linker needs to keep track of the number of relocs that it
decides to copy as dynamic relocs in check_relocs for each symbol.
This is so that it can later discard them if they are found to be
unnecessary. We store the information in a field extending the
regular ELF linker hash table. */
struct elf_sh_dyn_relocs
{
struct elf_sh_dyn_relocs *next;
/* The input section of the reloc. */
asection *sec;
/* Total number of relocs copied for the input section. */
bfd_size_type count;
/* Number of pc-relative relocs copied for the input section. */
bfd_size_type pc_count;
};
union gotref
{
bfd_signed_vma refcount;
bfd_vma offset;
};
/* sh ELF linker hash entry. */
struct elf_sh_link_hash_entry
{
struct elf_link_hash_entry root;
#ifdef INCLUDE_SHMEDIA
union
{
bfd_signed_vma refcount;
bfd_vma offset;
} datalabel_got;
#endif
/* Track dynamic relocs copied for this symbol. */
struct elf_sh_dyn_relocs *dyn_relocs;
bfd_signed_vma gotplt_refcount;
/* A local function descriptor, for FDPIC. The refcount counts
R_SH_FUNCDESC, R_SH_GOTOFFFUNCDESC, and R_SH_GOTOFFFUNCDESC20
relocations; the PLT and GOT entry are accounted
for separately. After adjust_dynamic_symbol, the offset is
MINUS_ONE if there is no local descriptor (dynamic linker
managed and no PLT entry, or undefined weak non-dynamic).
During check_relocs we do not yet know whether the local
descriptor will be canonical. */
union gotref funcdesc;
/* How many of the above refcounted relocations were R_SH_FUNCDESC,
and thus require fixups or relocations. */
bfd_signed_vma abs_funcdesc_refcount;
enum got_type {
GOT_UNKNOWN = 0, GOT_NORMAL, GOT_TLS_GD, GOT_TLS_IE, GOT_FUNCDESC
} got_type;
};
#define sh_elf_hash_entry(ent) ((struct elf_sh_link_hash_entry *)(ent))
struct sh_elf_obj_tdata
{
struct elf_obj_tdata root;
/* got_type for each local got entry. */
char *local_got_type;
/* Function descriptor refcount and offset for each local symbol. */
union gotref *local_funcdesc;
};
#define sh_elf_tdata(abfd) \
((struct sh_elf_obj_tdata *) (abfd)->tdata.any)
#define sh_elf_local_got_type(abfd) \
(sh_elf_tdata (abfd)->local_got_type)
#define sh_elf_local_funcdesc(abfd) \
(sh_elf_tdata (abfd)->local_funcdesc)
#define is_sh_elf(bfd) \
(bfd_get_flavour (bfd) == bfd_target_elf_flavour \
&& elf_tdata (bfd) != NULL \
&& elf_object_id (bfd) == SH_ELF_DATA)
/* Override the generic function because we need to store sh_elf_obj_tdata
as the specific tdata. */
static bfd_boolean
sh_elf_mkobject (bfd *abfd)
{
return bfd_elf_allocate_object (abfd, sizeof (struct sh_elf_obj_tdata),
SH_ELF_DATA);
}
/* sh ELF linker hash table. */
struct elf_sh_link_hash_table
{
struct elf_link_hash_table root;
/* Short-cuts to get to dynamic linker sections. */
asection *sdynbss;
asection *srelbss;
asection *sfuncdesc;
asection *srelfuncdesc;
asection *srofixup;
/* The (unloaded but important) VxWorks .rela.plt.unloaded section. */
asection *srelplt2;
/* Small local sym cache. */
struct sym_cache sym_cache;
/* A counter or offset to track a TLS got entry. */
union
{
bfd_signed_vma refcount;
bfd_vma offset;
} tls_ldm_got;
/* The type of PLT to use. */
const struct elf_sh_plt_info *plt_info;
/* True if the target system is VxWorks. */
bfd_boolean vxworks_p;
/* True if the target system uses FDPIC. */
bfd_boolean fdpic_p;
};
/* Traverse an sh ELF linker hash table. */
#define sh_elf_link_hash_traverse(table, func, info) \
(elf_link_hash_traverse \
(&(table)->root, \
(bfd_boolean (*) (struct elf_link_hash_entry *, void *)) (func), \
(info)))
/* Get the sh ELF linker hash table from a link_info structure. */
#define sh_elf_hash_table(p) \
(elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \
== SH_ELF_DATA ? ((struct elf_sh_link_hash_table *) ((p)->hash)) : NULL)
/* Create an entry in an sh ELF linker hash table. */
static struct bfd_hash_entry *
sh_elf_link_hash_newfunc (struct bfd_hash_entry *entry,
struct bfd_hash_table *table,
const char *string)
{
struct elf_sh_link_hash_entry *ret =
(struct elf_sh_link_hash_entry *) entry;
/* Allocate the structure if it has not already been allocated by a
subclass. */
if (ret == (struct elf_sh_link_hash_entry *) NULL)
ret = ((struct elf_sh_link_hash_entry *)
bfd_hash_allocate (table,
sizeof (struct elf_sh_link_hash_entry)));
if (ret == (struct elf_sh_link_hash_entry *) NULL)
return (struct bfd_hash_entry *) ret;
/* Call the allocation method of the superclass. */
ret = ((struct elf_sh_link_hash_entry *)
_bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
table, string));
if (ret != (struct elf_sh_link_hash_entry *) NULL)
{
ret->dyn_relocs = NULL;
ret->gotplt_refcount = 0;
#ifdef INCLUDE_SHMEDIA
ret->datalabel_got.refcount = ret->root.got.refcount;
#endif
ret->funcdesc.refcount = 0;
ret->abs_funcdesc_refcount = 0;
ret->got_type = GOT_UNKNOWN;
}
return (struct bfd_hash_entry *) ret;
}
/* Create an sh ELF linker hash table. */
static struct bfd_link_hash_table *
sh_elf_link_hash_table_create (bfd *abfd)
{
struct elf_sh_link_hash_table *ret;
bfd_size_type amt = sizeof (struct elf_sh_link_hash_table);
ret = (struct elf_sh_link_hash_table *) bfd_zmalloc (amt);
if (ret == (struct elf_sh_link_hash_table *) NULL)
return NULL;
if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
sh_elf_link_hash_newfunc,
sizeof (struct elf_sh_link_hash_entry),
SH_ELF_DATA))
{
free (ret);
return NULL;
}
ret->vxworks_p = vxworks_object_p (abfd);
ret->fdpic_p = fdpic_object_p (abfd);
return &ret->root.root;
}
static bfd_boolean
sh_elf_omit_section_dynsym (bfd *output_bfd ATTRIBUTE_UNUSED,
struct bfd_link_info *info, asection *p)
{
struct elf_sh_link_hash_table *htab = sh_elf_hash_table (info);
/* Non-FDPIC binaries do not need dynamic symbols for sections. */
if (!htab->fdpic_p)
return TRUE;
/* We need dynamic symbols for every section, since segments can
relocate independently. */
switch (elf_section_data (p)->this_hdr.sh_type)
{
case SHT_PROGBITS:
case SHT_NOBITS:
/* If sh_type is yet undecided, assume it could be
SHT_PROGBITS/SHT_NOBITS. */
case SHT_NULL:
return FALSE;
/* There shouldn't be section relative relocations
against any other section. */
default:
return TRUE;
}
}
/* Create .got, .gotplt, and .rela.got sections in DYNOBJ, and set up
shortcuts to them in our hash table. */
static bfd_boolean
create_got_section (bfd *dynobj, struct bfd_link_info *info)
{
struct elf_sh_link_hash_table *htab;
if (! _bfd_elf_create_got_section (dynobj, info))
return FALSE;
htab = sh_elf_hash_table (info);
if (htab == NULL)
return FALSE;
htab->sfuncdesc = bfd_make_section_anyway_with_flags (dynobj, ".got.funcdesc",
(SEC_ALLOC | SEC_LOAD
| SEC_HAS_CONTENTS
| SEC_IN_MEMORY
| SEC_LINKER_CREATED));
if (htab->sfuncdesc == NULL
|| ! bfd_set_section_alignment (dynobj, htab->sfuncdesc, 2))
return FALSE;
htab->srelfuncdesc = bfd_make_section_anyway_with_flags (dynobj,
".rela.got.funcdesc",
(SEC_ALLOC | SEC_LOAD
| SEC_HAS_CONTENTS
| SEC_IN_MEMORY
| SEC_LINKER_CREATED
| SEC_READONLY));
if (htab->srelfuncdesc == NULL
|| ! bfd_set_section_alignment (dynobj, htab->srelfuncdesc, 2))
return FALSE;
/* Also create .rofixup. */
htab->srofixup = bfd_make_section_anyway_with_flags (dynobj, ".rofixup",
(SEC_ALLOC | SEC_LOAD
| SEC_HAS_CONTENTS
| SEC_IN_MEMORY
| SEC_LINKER_CREATED
| SEC_READONLY));
if (htab->srofixup == NULL
|| ! bfd_set_section_alignment (dynobj, htab->srofixup, 2))
return FALSE;
return TRUE;
}
/* Create dynamic sections when linking against a dynamic object. */
static bfd_boolean
sh_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
{
struct elf_sh_link_hash_table *htab;
flagword flags, pltflags;
asection *s;
const struct elf_backend_data *bed = get_elf_backend_data (abfd);
int ptralign = 0;
switch (bed->s->arch_size)
{
case 32:
ptralign = 2;
break;
case 64:
ptralign = 3;
break;
default:
bfd_set_error (bfd_error_bad_value);
return FALSE;
}
htab = sh_elf_hash_table (info);
if (htab == NULL)
return FALSE;
if (htab->root.dynamic_sections_created)
return TRUE;
/* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and
.rel[a].bss sections. */
flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
| SEC_LINKER_CREATED);
pltflags = flags;
pltflags |= SEC_CODE;
if (bed->plt_not_loaded)
pltflags &= ~ (SEC_LOAD | SEC_HAS_CONTENTS);
if (bed->plt_readonly)
pltflags |= SEC_READONLY;
s = bfd_make_section_anyway_with_flags (abfd, ".plt", pltflags);
htab->root.splt = s;
if (s == NULL
|| ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
return FALSE;
if (bed->want_plt_sym)
{
/* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the
.plt section. */
struct elf_link_hash_entry *h;
struct bfd_link_hash_entry *bh = NULL;
if (! (_bfd_generic_link_add_one_symbol
(info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s,
(bfd_vma) 0, (const char *) NULL, FALSE,
get_elf_backend_data (abfd)->collect, &bh)))
return FALSE;
h = (struct elf_link_hash_entry *) bh;
h->def_regular = 1;
h->type = STT_OBJECT;
htab->root.hplt = h;
if (bfd_link_pic (info)
&& ! bfd_elf_link_record_dynamic_symbol (info, h))
return FALSE;
}
s = bfd_make_section_anyway_with_flags (abfd,
bed->default_use_rela_p
? ".rela.plt" : ".rel.plt",
flags | SEC_READONLY);
htab->root.srelplt = s;
if (s == NULL
|| ! bfd_set_section_alignment (abfd, s, ptralign))
return FALSE;
if (htab->root.sgot == NULL
&& !create_got_section (abfd, info))
return FALSE;
if (bed->want_dynbss)
{
/* The .dynbss section is a place to put symbols which are defined
by dynamic objects, are referenced by regular objects, and are
not functions. We must allocate space for them in the process
image and use a R_*_COPY reloc to tell the dynamic linker to
initialize them at run time. The linker script puts the .dynbss
section into the .bss section of the final image. */
s = bfd_make_section_anyway_with_flags (abfd, ".dynbss",
SEC_ALLOC | SEC_LINKER_CREATED);
htab->sdynbss = s;
if (s == NULL)
return FALSE;
/* The .rel[a].bss section holds copy relocs. This section is not
normally needed. We need to create it here, though, so that the
linker will map it to an output section. We can't just create it
only if we need it, because we will not know whether we need it
until we have seen all the input files, and the first time the
main linker code calls BFD after examining all the input files
(size_dynamic_sections) the input sections have already been
mapped to the output sections. If the section turns out not to
be needed, we can discard it later. We will never need this
section when generating a shared object, since they do not use
copy relocs. */
if (! bfd_link_pic (info))
{
s = bfd_make_section_anyway_with_flags (abfd,
(bed->default_use_rela_p
? ".rela.bss" : ".rel.bss"),
flags | SEC_READONLY);
htab->srelbss = s;
if (s == NULL
|| ! bfd_set_section_alignment (abfd, s, ptralign))
return FALSE;
}
}
if (htab->vxworks_p)
{
if (!elf_vxworks_create_dynamic_sections (abfd, info, &htab->srelplt2))
return FALSE;
}
return TRUE;
}
/* Adjust a symbol defined by a dynamic object and referenced by a
regular object. The current definition is in some section of the
dynamic object, but we're not including those sections. We have to
change the definition to something the rest of the link can
understand. */
static bfd_boolean
sh_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
struct elf_link_hash_entry *h)
{
struct elf_sh_link_hash_table *htab;
struct elf_sh_link_hash_entry *eh;
struct elf_sh_dyn_relocs *p;
asection *s;
htab = sh_elf_hash_table (info);
if (htab == NULL)
return FALSE;
/* Make sure we know what is going on here. */
BFD_ASSERT (htab->root.dynobj != NULL
&& (h->needs_plt
|| h->u.weakdef != NULL
|| (h->def_dynamic
&& h->ref_regular
&& !h->def_regular)));
/* If this is a function, put it in the procedure linkage table. We
will fill in the contents of the procedure linkage table later,
when we know the address of the .got section. */
if (h->type == STT_FUNC
|| h->needs_plt)
{
if (h->plt.refcount <= 0
|| SYMBOL_CALLS_LOCAL (info, h)
|| (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
&& h->root.type == bfd_link_hash_undefweak))
{
/* This case can occur if we saw a PLT reloc in an input
file, but the symbol was never referred to by a dynamic
object. In such a case, we don't actually need to build
a procedure linkage table, and we can just do a REL32
reloc instead. */
h->plt.offset = (bfd_vma) -1;
h->needs_plt = 0;
}
return TRUE;
}
else
h->plt.offset = (bfd_vma) -1;
/* If this is a weak symbol, and there is a real definition, the
processor independent code will have arranged for us to see the
real definition first, and we can just use the same value. */
if (h->u.weakdef != NULL)
{
BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
|| h->u.weakdef->root.type == bfd_link_hash_defweak);
h->root.u.def.section = h->u.weakdef->root.u.def.section;
h->root.u.def.value = h->u.weakdef->root.u.def.value;
if (info->nocopyreloc)
h->non_got_ref = h->u.weakdef->non_got_ref;
return TRUE;
}
/* This is a reference to a symbol defined by a dynamic object which
is not a function. */
/* If we are creating a shared library, we must presume that the
only references to the symbol are via the global offset table.
For such cases we need not do anything here; the relocations will
be handled correctly by relocate_section. */
if (bfd_link_pic (info))
return TRUE;
/* If there are no references to this symbol that do not use the
GOT, we don't need to generate a copy reloc. */
if (!h->non_got_ref)
return TRUE;
/* If -z nocopyreloc was given, we won't generate them either. */
if (info->nocopyreloc)
{
h->non_got_ref = 0;
return TRUE;
}
eh = (struct elf_sh_link_hash_entry *) h;
for (p = eh->dyn_relocs; p != NULL; p = p->next)
{
s = p->sec->output_section;
if (s != NULL && (s->flags & (SEC_READONLY | SEC_HAS_CONTENTS)) != 0)
break;
}
/* If we didn't find any dynamic relocs in sections which needs the
copy reloc, then we'll be keeping the dynamic relocs and avoiding
the copy reloc. */
if (p == NULL)
{
h->non_got_ref = 0;
return TRUE;
}
/* We must allocate the symbol in our .dynbss section, which will
become part of the .bss section of the executable. There will be
an entry for this symbol in the .dynsym section. The dynamic
object will contain position independent code, so all references
from the dynamic object to this symbol will go through the global
offset table. The dynamic linker will use the .dynsym entry to
determine the address it must put in the global offset table, so
both the dynamic object and the regular object will refer to the
same memory location for the variable. */
s = htab->sdynbss;
BFD_ASSERT (s != NULL);
/* We must generate a R_SH_COPY reloc to tell the dynamic linker to
copy the initial value out of the dynamic object and into the
runtime process image. We need to remember the offset into the
.rela.bss section we are going to use. */
if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
{
asection *srel;
srel = htab->srelbss;
BFD_ASSERT (srel != NULL);
srel->size += sizeof (Elf32_External_Rela);
h->needs_copy = 1;
}
return _bfd_elf_adjust_dynamic_copy (info, h, s);
}
/* Allocate space in .plt, .got and associated reloc sections for
dynamic relocs. */
static bfd_boolean
allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
{
struct bfd_link_info *info;
struct elf_sh_link_hash_table *htab;
struct elf_sh_link_hash_entry *eh;
struct elf_sh_dyn_relocs *p;
if (h->root.type == bfd_link_hash_indirect)
return TRUE;
info = (struct bfd_link_info *) inf;
htab = sh_elf_hash_table (info);
if (htab == NULL)
return FALSE;
eh = (struct elf_sh_link_hash_entry *) h;
if ((h->got.refcount > 0
|| h->forced_local)
&& eh->gotplt_refcount > 0)
{
/* The symbol has been forced local, or we have some direct got refs,
so treat all the gotplt refs as got refs. */
h->got.refcount += eh->gotplt_refcount;
if (h->plt.refcount >= eh->gotplt_refcount)
h->plt.refcount -= eh->gotplt_refcount;
}
if (htab->root.dynamic_sections_created
&& h->plt.refcount > 0
&& (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
|| h->root.type != bfd_link_hash_undefweak))
{
/* Make sure this symbol is output as a dynamic symbol.
Undefined weak syms won't yet be marked as dynamic. */
if (h->dynindx == -1
&& !h->forced_local)
{
if (! bfd_elf_link_record_dynamic_symbol (info, h))
return FALSE;
}
if (bfd_link_pic (info)
|| WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h))
{
asection *s = htab->root.splt;
const struct elf_sh_plt_info *plt_info;
/* If this is the first .plt entry, make room for the special
first entry. */
if (s->size == 0)
s->size += htab->plt_info->plt0_entry_size;
h->plt.offset = s->size;
/* If this symbol is not defined in a regular file, and we are
not generating a shared library, then set the symbol to this
location in the .plt. This is required to make function
pointers compare as equal between the normal executable and
the shared library. Skip this for FDPIC, since the
function's address will be the address of the canonical
function descriptor. */
if (!htab->fdpic_p && !bfd_link_pic (info) && !h->def_regular)
{
h->root.u.def.section = s;
h->root.u.def.value = h->plt.offset;
}
/* Make room for this entry. */
plt_info = htab->plt_info;
if (plt_info->short_plt != NULL
&& (get_plt_index (plt_info->short_plt, s->size) < MAX_SHORT_PLT))
plt_info = plt_info->short_plt;
s->size += plt_info->symbol_entry_size;
/* We also need to make an entry in the .got.plt section, which
will be placed in the .got section by the linker script. */
if (!htab->fdpic_p)
htab->root.sgotplt->size += 4;
else
htab->root.sgotplt->size += 8;
/* We also need to make an entry in the .rel.plt section. */
htab->root.srelplt->size += sizeof (Elf32_External_Rela);
if (htab->vxworks_p && !bfd_link_pic (info))
{
/* VxWorks executables have a second set of relocations
for each PLT entry. They go in a separate relocation
section, which is processed by the kernel loader. */
/* There is a relocation for the initial PLT entry:
an R_SH_DIR32 relocation for _GLOBAL_OFFSET_TABLE_. */
if (h->plt.offset == htab->plt_info->plt0_entry_size)
htab->srelplt2->size += sizeof (Elf32_External_Rela);
/* There are two extra relocations for each subsequent
PLT entry: an R_SH_DIR32 relocation for the GOT entry,
and an R_SH_DIR32 relocation for the PLT entry. */
htab->srelplt2->size += sizeof (Elf32_External_Rela) * 2;
}
}
else
{
h->plt.offset = (bfd_vma) -1;
h->needs_plt = 0;
}
}
else
{
h->plt.offset = (bfd_vma) -1;
h->needs_plt = 0;
}
if (h->got.refcount > 0)
{
asection *s;
bfd_boolean dyn;
enum got_type got_type = sh_elf_hash_entry (h)->got_type;
/* Make sure this symbol is output as a dynamic symbol.
Undefined weak syms won't yet be marked as dynamic. */
if (h->dynindx == -1
&& !h->forced_local)
{
if (! bfd_elf_link_record_dynamic_symbol (info, h))
return FALSE;
}
s = htab->root.sgot;
h->got.offset = s->size;
s->size += 4;
/* R_SH_TLS_GD needs 2 consecutive GOT slots. */
if (got_type == GOT_TLS_GD)
s->size += 4;
dyn = htab->root.dynamic_sections_created;
if (!dyn)
{
/* No dynamic relocations required. */
if (htab->fdpic_p && !bfd_link_pic (info)
&& h->root.type != bfd_link_hash_undefweak
&& (got_type == GOT_NORMAL || got_type == GOT_FUNCDESC))
htab->srofixup->size += 4;
}
/* No dynamic relocations required when IE->LE conversion happens. */
else if (got_type == GOT_TLS_IE
&& !h->def_dynamic
&& !bfd_link_pic (info))
;
/* R_SH_TLS_IE_32 needs one dynamic relocation if dynamic,
R_SH_TLS_GD needs one if local symbol and two if global. */
else if ((got_type == GOT_TLS_GD && h->dynindx == -1)
|| got_type == GOT_TLS_IE)
htab->root.srelgot->size += sizeof (Elf32_External_Rela);
else if (got_type == GOT_TLS_GD)
htab->root.srelgot->size += 2 * sizeof (Elf32_External_Rela);
else if (got_type == GOT_FUNCDESC)
{
if (!bfd_link_pic (info) && SYMBOL_FUNCDESC_LOCAL (info, h))
htab->srofixup->size += 4;
else
htab->root.srelgot->size += sizeof (Elf32_External_Rela);
}
else if ((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
|| h->root.type != bfd_link_hash_undefweak)
&& (bfd_link_pic (info)
|| WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h)))
htab->root.srelgot->size += sizeof (Elf32_External_Rela);
else if (htab->fdpic_p
&& !bfd_link_pic (info)
&& got_type == GOT_NORMAL
&& (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
|| h->root.type != bfd_link_hash_undefweak))
htab->srofixup->size += 4;
}
else
h->got.offset = (bfd_vma) -1;
#ifdef INCLUDE_SHMEDIA
if (eh->datalabel_got.refcount > 0)
{
asection *s;
bfd_boolean dyn;
/* Make sure this symbol is output as a dynamic symbol.
Undefined weak syms won't yet be marked as dynamic. */
if (h->dynindx == -1
&& !h->forced_local)
{
if (! bfd_elf_link_record_dynamic_symbol (info, h))
return FALSE;
}
s = htab->root.sgot;
eh->datalabel_got.offset = s->size;
s->size += 4;
dyn = htab->root.dynamic_sections_created;
if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, bfd_link_pic (info), h))
htab->root.srelgot->size += sizeof (Elf32_External_Rela);
}
else
eh->datalabel_got.offset = (bfd_vma) -1;
#endif
/* Allocate space for any dynamic relocations to function
descriptors, canonical or otherwise. We need to relocate the
reference unless it resolves to zero, which only happens for
undefined weak symbols (either non-default visibility, or when
static linking). Any GOT slot is accounted for elsewhere. */
if (eh->abs_funcdesc_refcount > 0
&& (h->root.type != bfd_link_hash_undefweak
|| (htab->root.dynamic_sections_created
&& ! SYMBOL_CALLS_LOCAL (info, h))))
{
if (!bfd_link_pic (info) && SYMBOL_FUNCDESC_LOCAL (info, h))
htab->srofixup->size += eh->abs_funcdesc_refcount * 4;
else
htab->root.srelgot->size
+= eh->abs_funcdesc_refcount * sizeof (Elf32_External_Rela);
}
/* We must allocate a function descriptor if there are references to
a canonical descriptor (R_SH_GOTFUNCDESC or R_SH_FUNCDESC) and
the dynamic linker isn't going to allocate it. None of this
applies if we already created one in .got.plt, but if the
canonical function descriptor can be in this object, there
won't be a PLT entry at all. */
if ((eh->funcdesc.refcount > 0
|| (h->got.offset != MINUS_ONE && eh->got_type == GOT_FUNCDESC))
&& h->root.type != bfd_link_hash_undefweak
&& SYMBOL_FUNCDESC_LOCAL (info, h))
{
/* Make room for this function descriptor. */
eh->funcdesc.offset = htab->sfuncdesc->size;
htab->sfuncdesc->size += 8;
/* We will need a relocation or two fixups to initialize the
function descriptor, so allocate those too. */
if (!bfd_link_pic (info) && SYMBOL_CALLS_LOCAL (info, h))
htab->srofixup->size += 8;
else
htab->srelfuncdesc->size += sizeof (Elf32_External_Rela);
}
if (eh->dyn_relocs == NULL)
return TRUE;
/* In the shared -Bsymbolic case, discard space allocated for
dynamic pc-relative relocs against symbols which turn out to be
defined in regular objects. For the normal shared case, discard
space for pc-relative relocs that have become local due to symbol
visibility changes. */
if (bfd_link_pic (info))
{
if (SYMBOL_CALLS_LOCAL (info, h))
{
struct elf_sh_dyn_relocs **pp;
for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
{
p->count -= p->pc_count;
p->pc_count = 0;
if (p->count == 0)
*pp = p->next;
else
pp = &p->next;
}
}
if (htab->vxworks_p)
{
struct elf_sh_dyn_relocs **pp;
for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
{
if (strcmp (p->sec->output_section->name, ".tls_vars") == 0)
*pp = p->next;
else
pp = &p->next;
}
}
/* Also discard relocs on undefined weak syms with non-default
visibility. */
if (eh->dyn_relocs != NULL
&& h->root.type == bfd_link_hash_undefweak)
{
if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
|| UNDEFWEAK_NO_DYNAMIC_RELOC (info, h))
eh->dyn_relocs = NULL;
/* Make sure undefined weak symbols are output as a dynamic
symbol in PIEs. */
else if (h->dynindx == -1
&& !h->forced_local)
{
if (! bfd_elf_link_record_dynamic_symbol (info, h))
return FALSE;
}
}
}
else
{
/* For the non-shared case, discard space for relocs against
symbols which turn out to need copy relocs or are not
dynamic. */
if (!h->non_got_ref
&& ((h->def_dynamic
&& !h->def_regular)
|| (htab->root.dynamic_sections_created
&& (h->root.type == bfd_link_hash_undefweak
|| h->root.type == bfd_link_hash_undefined))))
{
/* Make sure this symbol is output as a dynamic symbol.
Undefined weak syms won't yet be marked as dynamic. */
if (h->dynindx == -1
&& !h->forced_local)
{
if (! bfd_elf_link_record_dynamic_symbol (info, h))
return FALSE;
}
/* If that succeeded, we know we'll be keeping all the
relocs. */
if (h->dynindx != -1)
goto keep;
}
eh->dyn_relocs = NULL;
keep: ;
}
/* Finally, allocate space. */
for (p = eh->dyn_relocs; p != NULL; p = p->next)
{
asection *sreloc = elf_section_data (p->sec)->sreloc;
sreloc->size += p->count * sizeof (Elf32_External_Rela);
/* If we need relocations, we do not need fixups. */
if (htab->fdpic_p && !bfd_link_pic (info))
htab->srofixup->size -= 4 * (p->count - p->pc_count);
}
return TRUE;
}
/* Find any dynamic relocs that apply to read-only sections. */
static bfd_boolean
readonly_dynrelocs (struct elf_link_hash_entry *h, void *inf)
{
struct elf_sh_link_hash_entry *eh;
struct elf_sh_dyn_relocs *p;
eh = (struct elf_sh_link_hash_entry *) h;
for (p = eh->dyn_relocs; p != NULL; p = p->next)
{
asection *s = p->sec->output_section;
if (s != NULL && (s->flags & SEC_READONLY) != 0)
{
struct bfd_link_info *info = (struct bfd_link_info *) inf;
info->flags |= DF_TEXTREL;
info->callbacks->minfo (_("%B: dynamic relocation in read-only section `%A'\n"),
p->sec->owner, p->sec);
/* Not an error, just cut short the traversal. */
return FALSE;
}
}
return TRUE;
}
/* This function is called after all the input files have been read,
and the input sections have been assigned to output sections.
It's a convenient place to determine the PLT style. */
static bfd_boolean
sh_elf_always_size_sections (bfd *output_bfd, struct bfd_link_info *info)
{
sh_elf_hash_table (info)->plt_info = get_plt_info (output_bfd,
bfd_link_pic (info));
if (sh_elf_hash_table (info)->fdpic_p && !bfd_link_relocatable (info)
&& !bfd_elf_stack_segment_size (output_bfd, info,
"__stacksize", DEFAULT_STACK_SIZE))
return FALSE;
return TRUE;
}
/* Set the sizes of the dynamic sections. */
static bfd_boolean
sh_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
struct bfd_link_info *info)
{
struct elf_sh_link_hash_table *htab;
bfd *dynobj;
asection *s;
bfd_boolean relocs;
bfd *ibfd;
htab = sh_elf_hash_table (info);
if (htab == NULL)
return FALSE;
dynobj = htab->root.dynobj;
BFD_ASSERT (dynobj != NULL);
if (htab->root.dynamic_sections_created)
{
/* Set the contents of the .interp section to the interpreter. */
if (bfd_link_executable (info) && !info->nointerp)
{
s = bfd_get_linker_section (dynobj, ".interp");
BFD_ASSERT (s != NULL);
s->size = sizeof ELF_DYNAMIC_INTERPRETER;
s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
}
}
/* Set up .got offsets for local syms, and space for local dynamic
relocs. */
for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
{
bfd_signed_vma *local_got;
bfd_signed_vma *end_local_got;
union gotref *local_funcdesc, *end_local_funcdesc;
char *local_got_type;
bfd_size_type locsymcount;
Elf_Internal_Shdr *symtab_hdr;
asection *srel;
if (! is_sh_elf (ibfd))
continue;
for (s = ibfd->sections; s != NULL; s = s->next)
{
struct elf_sh_dyn_relocs *p;
for (p = ((struct elf_sh_dyn_relocs *)
elf_section_data (s)->local_dynrel);
p != NULL;
p = p->next)
{
if (! bfd_is_abs_section (p->sec)
&& bfd_is_abs_section (p->sec->output_section))
{
/* Input section has been discarded, either because
it is a copy of a linkonce section or due to
linker script /DISCARD/, so we'll be discarding
the relocs too. */
}
else if (htab->vxworks_p
&& strcmp (p->sec->output_section->name,
".tls_vars") == 0)
{
/* Relocations in vxworks .tls_vars sections are
handled specially by the loader. */
}
else if (p->count != 0)
{
srel = elf_section_data (p->sec)->sreloc;
srel->size += p->count * sizeof (Elf32_External_Rela);
if ((p->sec->output_section->flags & SEC_READONLY) != 0)
{
info->flags |= DF_TEXTREL;
info->callbacks->minfo (_("%B: dynamic relocation in read-only section `%A'\n"),
p->sec->owner, p->sec);
}
/* If we need relocations, we do not need fixups. */
if (htab->fdpic_p && !bfd_link_pic (info))
htab->srofixup->size -= 4 * (p->count - p->pc_count);
}
}
}
symtab_hdr = &elf_symtab_hdr (ibfd);
locsymcount = symtab_hdr->sh_info;
#ifdef INCLUDE_SHMEDIA
/* Count datalabel local GOT. */
locsymcount *= 2;
#endif
s = htab->root.sgot;
srel = htab->root.srelgot;
local_got = elf_local_got_refcounts (ibfd);
if (local_got)
{
end_local_got = local_got + locsymcount;
local_got_type = sh_elf_local_got_type (ibfd);
local_funcdesc = sh_elf_local_funcdesc (ibfd);
for (; local_got < end_local_got; ++local_got)
{
if (*local_got > 0)
{
*local_got = s->size;
s->size += 4;
if (*local_got_type == GOT_TLS_GD)
s->size += 4;
if (bfd_link_pic (info))
srel->size += sizeof (Elf32_External_Rela);
else
htab->srofixup->size += 4;
if (*local_got_type == GOT_FUNCDESC)
{
if (local_funcdesc == NULL)
{
bfd_size_type size;
size = locsymcount * sizeof (union gotref);
local_funcdesc = (union gotref *) bfd_zalloc (ibfd,
size);
if (local_funcdesc == NULL)
return FALSE;
sh_elf_local_funcdesc (ibfd) = local_funcdesc;
local_funcdesc += (local_got
- elf_local_got_refcounts (ibfd));
}
local_funcdesc->refcount++;
++local_funcdesc;
}
}
else
*local_got = (bfd_vma) -1;
++local_got_type;
}
}
local_funcdesc = sh_elf_local_funcdesc (ibfd);
if (local_funcdesc)
{
end_local_funcdesc = local_funcdesc + locsymcount;
for (; local_funcdesc < end_local_funcdesc; ++local_funcdesc)
{
if (local_funcdesc->refcount > 0)
{
local_funcdesc->offset = htab->sfuncdesc->size;
htab->sfuncdesc->size += 8;
if (!bfd_link_pic (info))
htab->srofixup->size += 8;
else
htab->srelfuncdesc->size += sizeof (Elf32_External_Rela);
}
else
local_funcdesc->offset = MINUS_ONE;
}
}
}
if (htab->tls_ldm_got.refcount > 0)
{
/* Allocate 2 got entries and 1 dynamic reloc for R_SH_TLS_LD_32
relocs. */
htab->tls_ldm_got.offset = htab->root.sgot->size;
htab->root.sgot->size += 8;
htab->root.srelgot->size += sizeof (Elf32_External_Rela);
}
else
htab->tls_ldm_got.offset = -1;
/* Only the reserved entries should be present. For FDPIC, they go at
the end of .got.plt. */
if (htab->fdpic_p)
{
BFD_ASSERT (htab->root.sgotplt && htab->root.sgotplt->size == 12);
htab->root.sgotplt->size = 0;
}
/* Allocate global sym .plt and .got entries, and space for global
sym dynamic relocs. */
elf_link_hash_traverse (&htab->root, allocate_dynrelocs, info);
/* Move the reserved entries and the _GLOBAL_OFFSET_TABLE_ symbol to the
end of the FDPIC .got.plt. */
if (htab->fdpic_p)
{
htab->root.hgot->root.u.def.value = htab->root.sgotplt->size;
htab->root.sgotplt->size += 12;
}
/* At the very end of the .rofixup section is a pointer to the GOT. */
if (htab->fdpic_p && htab->srofixup != NULL)
htab->srofixup->size += 4;
/* We now have determined the sizes of the various dynamic sections.
Allocate memory for them. */
relocs = FALSE;
for (s = dynobj->sections; s != NULL; s = s->next)
{
if ((s->flags & SEC_LINKER_CREATED) == 0)
continue;
if (s == htab->root.splt
|| s == htab->root.sgot
|| s == htab->root.sgotplt
|| s == htab->sfuncdesc
|| s == htab->srofixup
|| s == htab->sdynbss)
{
/* Strip this section if we don't need it; see the
comment below. */
}
else if (CONST_STRNEQ (bfd_get_section_name (dynobj, s), ".rela"))
{
if (s->size != 0 && s != htab->root.srelplt && s != htab->srelplt2)
relocs = TRUE;
/* We use the reloc_count field as a counter if we need
to copy relocs into the output file. */
s->reloc_count = 0;
}
else
{
/* It's not one of our sections, so don't allocate space. */
continue;
}
if (s->size == 0)
{
/* If we don't need this section, strip it from the
output file. This is mostly to handle .rela.bss and
.rela.plt. We must create both sections in
create_dynamic_sections, because they must be created
before the linker maps input sections to output
sections. The linker does that before
adjust_dynamic_symbol is called, and it is that
function which decides whether anything needs to go
into these sections. */
s->flags |= SEC_EXCLUDE;
continue;
}
if ((s->flags & SEC_HAS_CONTENTS) == 0)
continue;
/* Allocate memory for the section contents. We use bfd_zalloc
here in case unused entries are not reclaimed before the
section's contents are written out. This should not happen,
but this way if it does, we get a R_SH_NONE reloc instead
of garbage. */
s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
if (s->contents == NULL)
return FALSE;
}
if (htab->root.dynamic_sections_created)
{
/* Add some entries to the .dynamic section. We fill in the
values later, in sh_elf_finish_dynamic_sections, but we
must add the entries now so that we get the correct size for
the .dynamic section. The DT_DEBUG entry is filled in by the
dynamic linker and used by the debugger. */
#define add_dynamic_entry(TAG, VAL) \
_bfd_elf_add_dynamic_entry (info, TAG, VAL)
if (bfd_link_executable (info))
{
if (! add_dynamic_entry (DT_DEBUG, 0))
return FALSE;
}
if (htab->root.splt->size != 0)
{
if (! add_dynamic_entry (DT_PLTGOT, 0)
|| ! add_dynamic_entry (DT_PLTRELSZ, 0)
|| ! add_dynamic_entry (DT_PLTREL, DT_RELA)
|| ! add_dynamic_entry (DT_JMPREL, 0))
return FALSE;
}
else if ((elf_elfheader (output_bfd)->e_flags & EF_SH_FDPIC))
{
if (! add_dynamic_entry (DT_PLTGOT, 0))
return FALSE;
}
if (relocs)
{
if (! add_dynamic_entry (DT_RELA, 0)
|| ! add_dynamic_entry (DT_RELASZ, 0)
|| ! add_dynamic_entry (DT_RELAENT,
sizeof (Elf32_External_Rela)))
return FALSE;
/* If any dynamic relocs apply to a read-only section,
then we need a DT_TEXTREL entry. */
if ((info->flags & DF_TEXTREL) == 0)
elf_link_hash_traverse (&htab->root, readonly_dynrelocs, info);
if ((info->flags & DF_TEXTREL) != 0)
{
if (! add_dynamic_entry (DT_TEXTREL, 0))
return FALSE;
}
}
if (htab->vxworks_p
&& !elf_vxworks_add_dynamic_entries (output_bfd, info))
return FALSE;
}
#undef add_dynamic_entry
return TRUE;
}
/* Add a dynamic relocation to the SRELOC section. */
inline static bfd_vma
sh_elf_add_dyn_reloc (bfd *output_bfd, asection *sreloc, bfd_vma offset,
int reloc_type, long dynindx, bfd_vma addend)
{
Elf_Internal_Rela outrel;
bfd_vma reloc_offset;
outrel.r_offset = offset;
outrel.r_info = ELF32_R_INFO (dynindx, reloc_type);
outrel.r_addend = addend;
reloc_offset = sreloc->reloc_count * sizeof (Elf32_External_Rela);
BFD_ASSERT (reloc_offset < sreloc->size);
bfd_elf32_swap_reloca_out (output_bfd, &outrel,
sreloc->contents + reloc_offset);
sreloc->reloc_count++;
return reloc_offset;
}
/* Add an FDPIC read-only fixup. */
inline static void
sh_elf_add_rofixup (bfd *output_bfd, asection *srofixup, bfd_vma offset)
{
bfd_vma fixup_offset;
fixup_offset = srofixup->reloc_count++ * 4;
BFD_ASSERT (fixup_offset < srofixup->size);
bfd_put_32 (output_bfd, offset, srofixup->contents + fixup_offset);
}
/* Return the offset of the generated .got section from the
_GLOBAL_OFFSET_TABLE_ symbol. */
static bfd_signed_vma
sh_elf_got_offset (struct elf_sh_link_hash_table *htab)
{
return (htab->root.sgot->output_offset - htab->root.sgotplt->output_offset
- htab->root.hgot->root.u.def.value);
}
/* Find the segment number in which OSEC, and output section, is
located. */
static unsigned
sh_elf_osec_to_segment (bfd *output_bfd, asection *osec)
{
Elf_Internal_Phdr *p = NULL;
if (output_bfd->xvec->flavour == bfd_target_elf_flavour
/* PR ld/17110: Do not look for output segments in an input bfd. */
&& output_bfd->direction != read_direction)
p = _bfd_elf_find_segment_containing_section (output_bfd, osec);
/* FIXME: Nothing ever says what this index is relative to. The kernel
supplies data in terms of the number of load segments but this is
a phdr index and the first phdr may not be a load segment. */
return (p != NULL) ? p - elf_tdata (output_bfd)->phdr : -1;
}
static bfd_boolean
sh_elf_osec_readonly_p (bfd *output_bfd, asection *osec)
{
unsigned seg = sh_elf_osec_to_segment (output_bfd, osec);
return (seg != (unsigned) -1
&& ! (elf_tdata (output_bfd)->phdr[seg].p_flags & PF_W));
}
/* Generate the initial contents of a local function descriptor, along
with any relocations or fixups required. */
static bfd_boolean
sh_elf_initialize_funcdesc (bfd *output_bfd,
struct bfd_link_info *info,
struct elf_link_hash_entry *h,
bfd_vma offset,
asection *section,
bfd_vma value)
{
struct elf_sh_link_hash_table *htab;
int dynindx;
bfd_vma addr, seg;
htab = sh_elf_hash_table (info);
/* FIXME: The ABI says that the offset to the function goes in the
descriptor, along with the segment index. We're RELA, so it could
go in the reloc instead... */
if (h != NULL && SYMBOL_CALLS_LOCAL (info, h))
{
section = h->root.u.def.section;
value = h->root.u.def.value;
}
if (h == NULL || SYMBOL_CALLS_LOCAL (info, h))
{
dynindx = elf_section_data (section->output_section)->dynindx;
addr = value + section->output_offset;
seg = sh_elf_osec_to_segment (output_bfd, section->output_section);
}
else
{
BFD_ASSERT (h->dynindx != -1);
dynindx = h->dynindx;
addr = seg = 0;
}
if (!bfd_link_pic (info) && SYMBOL_CALLS_LOCAL (info, h))
{
if (h == NULL || h->root.type != bfd_link_hash_undefweak)
{
sh_elf_add_rofixup (output_bfd, htab->srofixup,
offset
+ htab->sfuncdesc->output_section->vma
+ htab->sfuncdesc->output_offset);
sh_elf_add_rofixup (output_bfd, htab->srofixup,
offset + 4
+ htab->sfuncdesc->output_section->vma
+ htab->sfuncdesc->output_offset);
}
/* There are no dynamic relocations so fill in the final
address and gp value (barring fixups). */
addr += section->output_section->vma;
seg = htab->root.hgot->root.u.def.value
+ htab->root.hgot->root.u.def.section->output_section->vma
+ htab->root.hgot->root.u.def.section->output_offset;
}
else
sh_elf_add_dyn_reloc (output_bfd, htab->srelfuncdesc,
offset
+ htab->sfuncdesc->output_section->vma
+ htab->sfuncdesc->output_offset,
R_SH_FUNCDESC_VALUE, dynindx, 0);
bfd_put_32 (output_bfd, addr, htab->sfuncdesc->contents + offset);
bfd_put_32 (output_bfd, seg, htab->sfuncdesc->contents + offset + 4);
return TRUE;
}
/* Install a 20-bit movi20 field starting at ADDR, which occurs in OUTPUT_BFD.
VALUE is the field's value. Return bfd_reloc_ok if successful or an error
otherwise. */
static bfd_reloc_status_type
install_movi20_field (bfd *output_bfd, unsigned long relocation,
bfd *input_bfd, asection *input_section,
bfd_byte *contents, bfd_vma offset)
{
unsigned long cur_val;
bfd_byte *addr;
bfd_reloc_status_type r;
if (offset > bfd_get_section_limit (input_bfd, input_section))
return bfd_reloc_outofrange;
r = bfd_check_overflow (complain_overflow_signed, 20, 0,
bfd_arch_bits_per_address (input_bfd), relocation);
if (r != bfd_reloc_ok)
return r;
addr = contents + offset;
cur_val = bfd_get_16 (output_bfd, addr);
bfd_put_16 (output_bfd, cur_val | ((relocation & 0xf0000) >> 12), addr);
bfd_put_16 (output_bfd, relocation & 0xffff, addr + 2);
return bfd_reloc_ok;
}
/* Relocate an SH ELF section. */
static bfd_boolean
sh_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
bfd *input_bfd, asection *input_section,
bfd_byte *contents, Elf_Internal_Rela *relocs,
Elf_Internal_Sym *local_syms,
asection **local_sections)
{
struct elf_sh_link_hash_table *htab;
Elf_Internal_Shdr *symtab_hdr;
struct elf_link_hash_entry **sym_hashes;
Elf_Internal_Rela *rel, *relend;
bfd_vma *local_got_offsets;
asection *sgot = NULL;
asection *sgotplt = NULL;
asection *splt = NULL;
asection *sreloc = NULL;
asection *srelgot = NULL;
bfd_boolean is_vxworks_tls;
unsigned isec_segment, got_segment, plt_segment, check_segment[2];
bfd_boolean fdpic_p = FALSE;
BFD_ASSERT (is_sh_elf (input_bfd));
htab = sh_elf_hash_table (info);
if (htab != NULL)
{
sgot = htab->root.sgot;
sgotplt = htab->root.sgotplt;
srelgot = htab->root.srelgot;
splt = htab->root.splt;
fdpic_p = htab->fdpic_p;
}
symtab_hdr = &elf_symtab_hdr (input_bfd);
sym_hashes = elf_sym_hashes (input_bfd);
local_got_offsets = elf_local_got_offsets (input_bfd);
isec_segment = sh_elf_osec_to_segment (output_bfd,
input_section->output_section);
if (fdpic_p && sgot)
got_segment = sh_elf_osec_to_segment (output_bfd,
sgot->output_section);
else
got_segment = -1;
if (fdpic_p && splt)
plt_segment = sh_elf_osec_to_segment (output_bfd,
splt->output_section);
else
plt_segment = -1;
/* We have to handle relocations in vxworks .tls_vars sections
specially, because the dynamic loader is 'weird'. */
is_vxworks_tls = (htab && htab->vxworks_p && bfd_link_pic (info)
&& !strcmp (input_section->output_section->name,
".tls_vars"));
rel = relocs;
relend = relocs + input_section->reloc_count;
for (; rel < relend; rel++)
{
int r_type;
reloc_howto_type *howto;
unsigned long r_symndx;
Elf_Internal_Sym *sym;
asection *sec;
struct elf_link_hash_entry *h;
bfd_vma relocation;
bfd_vma addend = (bfd_vma) 0;
bfd_reloc_status_type r;
int seen_stt_datalabel = 0;
bfd_vma off;
enum got_type got_type;
const char *symname = NULL;
bfd_boolean resolved_to_zero;
r_symndx = ELF32_R_SYM (rel->r_info);
r_type = ELF32_R_TYPE (rel->r_info);
/* Many of the relocs are only used for relaxing, and are
handled entirely by the relaxation code. */
if (r_type >= (int) R_SH_GNU_VTINHERIT
&& r_type <= (int) R_SH_LABEL)
continue;
if (r_type == (int) R_SH_NONE)
continue;
if (r_type < 0
|| r_type >= R_SH_max
|| (r_type >= (int) R_SH_FIRST_INVALID_RELOC
&& r_type <= (int) R_SH_LAST_INVALID_RELOC)
|| (r_type >= (int) R_SH_FIRST_INVALID_RELOC_2
&& r_type <= (int) R_SH_LAST_INVALID_RELOC_2)
|| ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_3
&& r_type <= (int) R_SH_LAST_INVALID_RELOC_3)
|| ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_4
&& r_type <= (int) R_SH_LAST_INVALID_RELOC_4)
|| ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_5
&& r_type <= (int) R_SH_LAST_INVALID_RELOC_5)
|| ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_6
&& r_type <= (int) R_SH_LAST_INVALID_RELOC_6))
{
bfd_set_error (bfd_error_bad_value);
return FALSE;
}
howto = get_howto_table (output_bfd) + r_type;
/* For relocs that aren't partial_inplace, we get the addend from
the relocation. */
if (! howto->partial_inplace)
addend = rel->r_addend;
resolved_to_zero = FALSE;
h = NULL;
sym = NULL;
sec = NULL;
check_segment[0] = -1;
check_segment[1] = -1;
if (r_symndx < symtab_hdr->sh_info)
{
sym = local_syms + r_symndx;
sec = local_sections[r_symndx];
symname = bfd_elf_string_from_elf_section
(input_bfd, symtab_hdr->sh_link, sym->st_name);
if (symname == NULL || *symname == '\0')
symname = bfd_section_name (input_bfd, sec);
relocation = (sec->output_section->vma
+ sec->output_offset
+ sym->st_value);
/* A local symbol never has STO_SH5_ISA32, so we don't need
datalabel processing here. Make sure this does not change
without notice. */
if ((sym->st_other & STO_SH5_ISA32) != 0)
(*info->callbacks->reloc_dangerous)
(info,
_("Unexpected STO_SH5_ISA32 on local symbol is not handled"),
input_bfd, input_section, rel->r_offset);
if (sec != NULL && discarded_section (sec))
/* Handled below. */
;
else if (bfd_link_relocatable (info))
{
/* This is a relocatable link. We don't have to change
anything, unless the reloc is against a section symbol,
in which case we have to adjust according to where the
section symbol winds up in the output section. */
if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
{
if (! howto->partial_inplace)
{
/* For relocations with the addend in the
relocation, we need just to update the addend.
All real relocs are of type partial_inplace; this
code is mostly for completeness. */
rel->r_addend += sec->output_offset;
continue;
}
/* Relocs of type partial_inplace need to pick up the
contents in the contents and add the offset resulting
from the changed location of the section symbol.
Using _bfd_final_link_relocate (e.g. goto
final_link_relocate) here would be wrong, because
relocations marked pc_relative would get the current
location subtracted, and we must only do that at the
final link. */
r = _bfd_relocate_contents (howto, input_bfd,
sec->output_offset
+ sym->st_value,
contents + rel->r_offset);
goto relocation_done;
}
continue;
}
else if (! howto->partial_inplace)
{
relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
addend = rel->r_addend;
}
else if ((sec->flags & SEC_MERGE)
&& ELF_ST_TYPE (sym->st_info) == STT_SECTION)
{
asection *msec;
if (howto->rightshift || howto->src_mask != 0xffffffff)
{
_bfd_error_handler
/* xgettext:c-format */
(_("%B(%A+%#Lx): %s relocation against SEC_MERGE section"),
input_bfd, input_section,
rel->r_offset, howto->name);
return FALSE;
}
addend = bfd_get_32 (input_bfd, contents + rel->r_offset);
msec = sec;
addend =
_bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend)
- relocation;
addend += msec->output_section->vma + msec->output_offset;
bfd_put_32 (input_bfd, addend, contents + rel->r_offset);
addend = 0;
}
}
else
{
/* FIXME: Ought to make use of the RELOC_FOR_GLOBAL_SYMBOL macro. */
relocation = 0;
h = sym_hashes[r_symndx - symtab_hdr->sh_info];
symname = h->root.root.string;
while (h->root.type == bfd_link_hash_indirect
|| h->root.type == bfd_link_hash_warning)
{
#ifdef INCLUDE_SHMEDIA
/* If the reference passes a symbol marked with
STT_DATALABEL, then any STO_SH5_ISA32 on the final value
doesn't count. */
seen_stt_datalabel |= h->type == STT_DATALABEL;
#endif
h = (struct elf_link_hash_entry *) h->root.u.i.link;
}
if (h->root.type == bfd_link_hash_defined
|| h->root.type == bfd_link_hash_defweak)
{
bfd_boolean dyn;
dyn = htab ? htab->root.dynamic_sections_created : FALSE;
sec = h->root.u.def.section;
/* In these cases, we don't need the relocation value.
We check specially because in some obscure cases
sec->output_section will be NULL. */
if (r_type == R_SH_GOTPC
|| r_type == R_SH_GOTPC_LOW16
|| r_type == R_SH_GOTPC_MEDLOW16
|| r_type == R_SH_GOTPC_MEDHI16
|| r_type == R_SH_GOTPC_HI16
|| ((r_type == R_SH_PLT32
|| r_type == R_SH_PLT_LOW16
|| r_type == R_SH_PLT_MEDLOW16
|| r_type == R_SH_PLT_MEDHI16
|| r_type == R_SH_PLT_HI16)
&& h->plt.offset != (bfd_vma) -1)
|| ((r_type == R_SH_GOT32
|| r_type == R_SH_GOT20
|| r_type == R_SH_GOTFUNCDESC
|| r_type == R_SH_GOTFUNCDESC20
|| r_type == R_SH_GOTOFFFUNCDESC
|| r_type == R_SH_GOTOFFFUNCDESC20
|| r_type == R_SH_FUNCDESC
|| r_type == R_SH_GOT_LOW16
|| r_type == R_SH_GOT_MEDLOW16
|| r_type == R_SH_GOT_MEDHI16
|| r_type == R_SH_GOT_HI16)
&& WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
bfd_link_pic (info),
h)
&& (! bfd_link_pic (info)
|| (! info->symbolic && h->dynindx != -1)
|| !h->def_regular))
/* The cases above are those in which relocation is
overwritten in the switch block below. The cases
below are those in which we must defer relocation
to run-time, because we can't resolve absolute
addresses when creating a shared library. */
|| (bfd_link_pic (info)
&& ((! info->symbolic && h->dynindx != -1)
|| !h->def_regular)
&& ((r_type == R_SH_DIR32
&& !h->forced_local)
|| (r_type == R_SH_REL32
&& !SYMBOL_CALLS_LOCAL (info, h)))
&& ((input_section->flags & SEC_ALLOC) != 0
/* DWARF will emit R_SH_DIR32 relocations in its
sections against symbols defined externally
in shared libraries. We can't do anything
with them here. */
|| ((input_section->flags & SEC_DEBUGGING) != 0
&& h->def_dynamic)))
/* Dynamic relocs are not propagated for SEC_DEBUGGING
sections because such sections are not SEC_ALLOC and
thus ld.so will not process them. */
|| (sec->output_section == NULL
&& ((input_section->flags & SEC_DEBUGGING) != 0
&& h->def_dynamic))
|| (sec->output_section == NULL
&& (sh_elf_hash_entry (h)->got_type == GOT_TLS_IE
|| sh_elf_hash_entry (h)->got_type == GOT_TLS_GD)))
;
else if (sec->output_section != NULL)
relocation = ((h->root.u.def.value
+ sec->output_section->vma
+ sec->output_offset)
/* A STO_SH5_ISA32 causes a "bitor 1" to the
symbol value, unless we've seen
STT_DATALABEL on the way to it. */
| ((h->other & STO_SH5_ISA32) != 0
&& ! seen_stt_datalabel));
else if (!bfd_link_relocatable (info)
&& (_bfd_elf_section_offset (output_bfd, info,
input_section,
rel->r_offset)
!= (bfd_vma) -1))
{
_bfd_error_handler
/* xgettext:c-format */
(_("%B(%A+%#Lx): unresolvable %s relocation against symbol `%s'"),
input_bfd,
input_section,
rel->r_offset,
howto->name,
h->root.root.string);
return FALSE;
}
}
else if (h->root.type == bfd_link_hash_undefweak)
resolved_to_zero = UNDEFWEAK_NO_DYNAMIC_RELOC (info, h);
else if (info->unresolved_syms_in_objects == RM_IGNORE
&& ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
;
else if (!bfd_link_relocatable (info))
(*info->callbacks->undefined_symbol)
(info, h->root.root.string, input_bfd,
input_section, rel->r_offset,
(info->unresolved_syms_in_objects == RM_GENERATE_ERROR
|| ELF_ST_VISIBILITY (h->other)));
}
if (sec != NULL && discarded_section (sec))
RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
rel, 1, relend, howto, 0, contents);
if (bfd_link_relocatable (info))
continue;
/* Check for inter-segment relocations in FDPIC files. Most
relocations connect the relocation site to the location of
the target symbol, but there are some exceptions below. */
check_segment[0] = isec_segment;
if (sec != NULL)
check_segment[1] = sh_elf_osec_to_segment (output_bfd,
sec->output_section);
else
check_segment[1] = -1;
switch ((int) r_type)
{
final_link_relocate:
/* COFF relocs don't use the addend. The addend is used for
R_SH_DIR32 to be compatible with other compilers. */
r = _bfd_final_link_relocate (howto, input_bfd, input_section,
contents, rel->r_offset,
relocation, addend);
break;
case R_SH_IND12W:
goto final_link_relocate;
case R_SH_DIR8WPN:
case R_SH_DIR8WPZ:
case R_SH_DIR8WPL:
/* If the reloc is against the start of this section, then
the assembler has already taken care of it and the reloc
is here only to assist in relaxing. If the reloc is not
against the start of this section, then it's against an
external symbol and we must deal with it ourselves. */
if (input_section->output_section->vma + input_section->output_offset
!= relocation)
{
int disp = (relocation
- input_section->output_section->vma
- input_section->output_offset
- rel->r_offset);
int mask = 0;
switch (r_type)
{
case R_SH_DIR8WPN:
case R_SH_DIR8WPZ: mask = 1; break;
case R_SH_DIR8WPL: mask = 3; break;
default: mask = 0; break;
}
if (disp & mask)
{
_bfd_error_handler
/* xgettext:c-format */
(_("%B: %#Lx: fatal: unaligned branch target for relax-support relocation"),
input_section->owner,
rel->r_offset);
bfd_set_error (bfd_error_bad_value);
return FALSE;
}
relocation -= 4;
goto final_link_relocate;
}
r = bfd_reloc_ok;
break;
default:
#ifdef INCLUDE_SHMEDIA
if (shmedia_prepare_reloc (info, input_bfd, input_section,
contents, rel, &relocation))
goto final_link_relocate;
#endif
bfd_set_error (bfd_error_bad_value);
return FALSE;
case R_SH_DIR16:
case R_SH_DIR8:
case R_SH_DIR8U:
case R_SH_DIR8S:
case R_SH_DIR4U:
goto final_link_relocate;
case R_SH_DIR8UL:
case R_SH_DIR4UL:
if (relocation & 3)
{
_bfd_error_handler
/* xgettext:c-format */
(_("%B: %#Lx: fatal: unaligned %s relocation %#Lx"),
input_section->owner,
rel->r_offset, howto->name,
relocation);
bfd_set_error (bfd_error_bad_value);
return FALSE;
}
goto final_link_relocate;
case R_SH_DIR8UW:
case R_SH_DIR8SW:
case R_SH_DIR4UW:
if (relocation & 1)
{
_bfd_error_handler
/* xgettext:c-format */
(_("%B: %#Lx: fatal: unaligned %s relocation %#Lx"),
input_section->owner,
rel->r_offset, howto->name,
relocation);
bfd_set_error (bfd_error_bad_value);
return FALSE;
}
goto final_link_relocate;
case R_SH_PSHA:
if ((signed int)relocation < -32
|| (signed int)relocation > 32)
{
_bfd_error_handler
/* xgettext:c-format */
(_("%B: %#Lx: fatal: R_SH_PSHA relocation %Ld not in range -32..32"),
input_section->owner,
rel->r_offset,
relocation);
bfd_set_error (bfd_error_bad_value);
return FALSE;
}
goto final_link_relocate;
case R_SH_PSHL:
if ((signed int)relocation < -16
|| (signed int)relocation > 16)
{
_bfd_error_handler
/* xgettext:c-format */
(_("%B: %#Lx: fatal: R_SH_PSHL relocation %Ld not in range -32..32"),
input_section->owner,
rel->r_offset,
relocation);
bfd_set_error (bfd_error_bad_value);
return FALSE;
}
goto final_link_relocate;
case R_SH_DIR32:
case R_SH_REL32:
#ifdef INCLUDE_SHMEDIA
case R_SH_IMM_LOW16_PCREL:
case R_SH_IMM_MEDLOW16_PCREL:
case R_SH_IMM_MEDHI16_PCREL:
case R_SH_IMM_HI16_PCREL:
#endif
if (bfd_link_pic (info)
&& (h == NULL
|| (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
&& !resolved_to_zero)
|| h->root.type != bfd_link_hash_undefweak)
&& r_symndx != STN_UNDEF
&& (input_section->flags & SEC_ALLOC) != 0
&& !is_vxworks_tls
&& (r_type == R_SH_DIR32
|| !SYMBOL_CALLS_LOCAL (info, h)))
{
Elf_Internal_Rela outrel;
bfd_byte *loc;
bfd_boolean skip, relocate;
/* When generating a shared object, these relocations
are copied into the output file to be resolved at run
time. */
if (sreloc == NULL)
{
sreloc = _bfd_elf_get_dynamic_reloc_section
(input_bfd, input_section, /*rela?*/ TRUE);
if (sreloc == NULL)
return FALSE;
}
skip = FALSE;
relocate = FALSE;
outrel.r_offset =
_bfd_elf_section_offset (output_bfd, info, input_section,
rel->r_offset);
if (outrel.r_offset == (bfd_vma) -1)
skip = TRUE;
else if (outrel.r_offset == (bfd_vma) -2)
skip = TRUE, relocate = TRUE;
outrel.r_offset += (input_section->output_section->vma
+ input_section->output_offset);
if (skip)
memset (&outrel, 0, sizeof outrel);
else if (r_type == R_SH_REL32)
{
BFD_ASSERT (h != NULL && h->dynindx != -1);
outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_REL32);
outrel.r_addend
= (howto->partial_inplace
? bfd_get_32 (input_bfd, contents + rel->r_offset)
: addend);
}
#ifdef INCLUDE_SHMEDIA
else if (r_type == R_SH_IMM_LOW16_PCREL
|| r_type == R_SH_IMM_MEDLOW16_PCREL
|| r_type == R_SH_IMM_MEDHI16_PCREL
|| r_type == R_SH_IMM_HI16_PCREL)
{
BFD_ASSERT (h != NULL && h->dynindx != -1);
outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
outrel.r_addend = addend;
}
#endif
else if (fdpic_p
&& (h == NULL
|| ((info->symbolic || h->dynindx == -1)
&& h->def_regular)))
{
int dynindx;
BFD_ASSERT (sec != NULL);
BFD_ASSERT (sec->output_section != NULL);
dynindx = elf_section_data (sec->output_section)->dynindx;
outrel.r_info = ELF32_R_INFO (dynindx, R_SH_DIR32);
outrel.r_addend = relocation;
outrel.r_addend
+= (howto->partial_inplace
? bfd_get_32 (input_bfd, contents + rel->r_offset)
: addend);
outrel.r_addend -= sec->output_section->vma;
}
else
{
/* h->dynindx may be -1 if this symbol was marked to
become local. */
if (h == NULL
|| ((info->symbolic || h->dynindx == -1)
&& h->def_regular))
{
relocate = howto->partial_inplace;
outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
}
else
{
BFD_ASSERT (h->dynindx != -1);
outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_DIR32);
}
outrel.r_addend = relocation;
outrel.r_addend
+= (howto->partial_inplace
? bfd_get_32 (input_bfd, contents + rel->r_offset)
: addend);
}
loc = sreloc->contents;
loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
check_segment[0] = check_segment[1] = -1;
/* If this reloc is against an external symbol, we do
not want to fiddle with the addend. Otherwise, we
need to include the symbol value so that it becomes
an addend for the dynamic reloc. */
if (! relocate)
continue;
}
else if (fdpic_p && !bfd_link_pic (info)
&& r_type == R_SH_DIR32
&& (input_section->flags & SEC_ALLOC) != 0)
{
bfd_vma offset;
BFD_ASSERT (htab);
if (sh_elf_osec_readonly_p (output_bfd,
input_section->output_section))
{
_bfd_error_handler
/* xgettext:c-format */
(_("%B(%A+%#Lx): cannot emit fixup to `%s' in read-only section"),
input_bfd,
input_section,
rel->r_offset,
symname);
return FALSE;
}
offset = _bfd_elf_section_offset (output_bfd, info,
input_section, rel->r_offset);
if (offset != (bfd_vma)-1)
sh_elf_add_rofixup (output_bfd, htab->srofixup,
input_section->output_section->vma
+ input_section->output_offset
+ rel->r_offset);
check_segment[0] = check_segment[1] = -1;
}
/* We don't want warnings for non-NULL tests on undefined weak
symbols. */
else if (r_type == R_SH_REL32
&& h
&& h->root.type == bfd_link_hash_undefweak)
check_segment[0] = check_segment[1] = -1;
goto final_link_relocate;
case R_SH_GOTPLT32:
#ifdef INCLUDE_SHMEDIA
case R_SH_GOTPLT_LOW16:
case R_SH_GOTPLT_MEDLOW16:
case R_SH_GOTPLT_MEDHI16:
case R_SH_GOTPLT_HI16:
case R_SH_GOTPLT10BY4:
case R_SH_GOTPLT10BY8:
#endif
/* Relocation is to the entry for this symbol in the
procedure linkage table. */
if (h == NULL
|| h->forced_local
|| ! bfd_link_pic (info)
|| info->symbolic
|| h->dynindx == -1
|| h->plt.offset == (bfd_vma) -1
|| h->got.offset != (bfd_vma) -1)
goto force_got;
/* Relocation is to the entry for this symbol in the global
offset table extension for the procedure linkage table. */
BFD_ASSERT (htab);
BFD_ASSERT (sgotplt != NULL);
relocation = (sgotplt->output_offset
+ (get_plt_index (htab->plt_info, h->plt.offset)
+ 3) * 4);
#ifdef GOT_BIAS
relocation -= GOT_BIAS;
#endif
goto final_link_relocate;
force_got:
case R_SH_GOT32:
case R_SH_GOT20:
#ifdef INCLUDE_SHMEDIA
case R_SH_GOT_LOW16:
case R_SH_GOT_MEDLOW16:
case R_SH_GOT_MEDHI16:
case R_SH_GOT_HI16:
case R_SH_GOT10BY4:
case R_SH_GOT10BY8:
#endif
/* Relocation is to the entry for this symbol in the global
offset table. */
BFD_ASSERT (htab);
BFD_ASSERT (sgot != NULL);
check_segment[0] = check_segment[1] = -1;
if (h != NULL)
{
bfd_boolean dyn;
off = h->got.offset;
#ifdef INCLUDE_SHMEDIA
if (seen_stt_datalabel)
{
struct elf_sh_link_hash_entry *hsh;
hsh = (struct elf_sh_link_hash_entry *)h;
off = hsh->datalabel_got.offset;
}
#endif
BFD_ASSERT (off != (bfd_vma) -1);
dyn = htab->root.dynamic_sections_created;
if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
bfd_link_pic (info),
h)
|| (bfd_link_pic (info)
&& SYMBOL_REFERENCES_LOCAL (info, h))
|| ((ELF_ST_VISIBILITY (h->other)
|| resolved_to_zero)
&& h->root.type == bfd_link_hash_undefweak))
{
/* This is actually a static link, or it is a
-Bsymbolic link and the symbol is defined
locally, or the symbol was forced to be local
because of a version file. We must initialize
this entry in the global offset table. Since the
offset must always be a multiple of 4, we use the
least significant bit to record whether we have
initialized it already.
When doing a dynamic link, we create a .rela.got
relocation entry to initialize the value. This
is done in the finish_dynamic_symbol routine. */
if ((off & 1) != 0)
off &= ~1;
else
{
bfd_put_32 (output_bfd, relocation,
sgot->contents + off);
#ifdef INCLUDE_SHMEDIA
if (seen_stt_datalabel)
{
struct elf_sh_link_hash_entry *hsh;
hsh = (struct elf_sh_link_hash_entry *)h;
hsh->datalabel_got.offset |= 1;
}
else
#endif
h->got.offset |= 1;
/* If we initialize the GOT entry here with a valid
symbol address, also add a fixup. */
if (fdpic_p && !bfd_link_pic (info)
&& sh_elf_hash_entry (h)->got_type == GOT_NORMAL
&& (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
|| h->root.type != bfd_link_hash_undefweak))
sh_elf_add_rofixup (output_bfd, htab->srofixup,
sgot->output_section->vma
+ sgot->output_offset
+ off);
}
}
relocation = sh_elf_got_offset (htab) + off;
}
else
{
#ifdef INCLUDE_SHMEDIA
if (rel->r_addend)
{
BFD_ASSERT (local_got_offsets != NULL
&& (local_got_offsets[symtab_hdr->sh_info
+ r_symndx]
!= (bfd_vma) -1));
off = local_got_offsets[symtab_hdr->sh_info
+ r_symndx];
}
else
{
#endif
BFD_ASSERT (local_got_offsets != NULL
&& local_got_offsets[r_symndx] != (bfd_vma) -1);
off = local_got_offsets[r_symndx];
#ifdef INCLUDE_SHMEDIA
}
#endif
/* The offset must always be a multiple of 4. We use
the least significant bit to record whether we have
already generated the necessary reloc. */
if ((off & 1) != 0)
off &= ~1;
else
{
bfd_put_32 (output_bfd, relocation, sgot->contents + off);
if (bfd_link_pic (info))
{
Elf_Internal_Rela outrel;
bfd_byte *loc;
outrel.r_offset = (sgot->output_section->vma
+ sgot->output_offset
+ off);
if (fdpic_p)
{
int dynindx
= elf_section_data (sec->output_section)->dynindx;
outrel.r_info = ELF32_R_INFO (dynindx, R_SH_DIR32);
outrel.r_addend = relocation;
outrel.r_addend -= sec->output_section->vma;
}
else
{
outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
outrel.r_addend = relocation;
}
loc = srelgot->contents;
loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
}
else if (fdpic_p
&& (sh_elf_local_got_type (input_bfd) [r_symndx]
== GOT_NORMAL))
sh_elf_add_rofixup (output_bfd, htab->srofixup,
sgot->output_section->vma
+ sgot->output_offset
+ off);
#ifdef INCLUDE_SHMEDIA
if (rel->r_addend)
local_got_offsets[symtab_hdr->sh_info + r_symndx] |= 1;
else
#endif
local_got_offsets[r_symndx] |= 1;
}
relocation = sh_elf_got_offset (htab) + off;
}
#ifdef GOT_BIAS
relocation -= GOT_BIAS;
#endif
if (r_type == R_SH_GOT20)
{
r = install_movi20_field (output_bfd, relocation + addend,
input_bfd, input_section, contents,
rel->r_offset);
break;
}
else
goto final_link_relocate;
case R_SH_GOTOFF:
case R_SH_GOTOFF20:
#ifdef INCLUDE_SHMEDIA
case R_SH_GOTOFF_LOW16:
case R_SH_GOTOFF_MEDLOW16:
case R_SH_GOTOFF_MEDHI16:
case R_SH_GOTOFF_HI16:
#endif
/* GOTOFF relocations are relative to _GLOBAL_OFFSET_TABLE_, which
we place at the start of the .got.plt section. This is the same
as the start of the output .got section, unless there are function
descriptors in front of it. */
BFD_ASSERT (htab);
BFD_ASSERT (sgotplt != NULL);
check_segment[0] = got_segment;
relocation -= sgotplt->output_section->vma + sgotplt->output_offset
+ htab->root.hgot->root.u.def.value;
#ifdef GOT_BIAS
relocation -= GOT_BIAS;
#endif
addend = rel->r_addend;
if (r_type == R_SH_GOTOFF20)
{
r = install_movi20_field (output_bfd, relocation + addend,
input_bfd, input_section, contents,
rel->r_offset);
break;
}
else
goto final_link_relocate;
case R_SH_GOTPC:
#ifdef INCLUDE_SHMEDIA
case R_SH_GOTPC_LOW16:
case R_SH_GOTPC_MEDLOW16:
case R_SH_GOTPC_MEDHI16:
case R_SH_GOTPC_HI16:
#endif
/* Use global offset table as symbol value. */
BFD_ASSERT (sgotplt != NULL);
relocation = sgotplt->output_section->vma + sgotplt->output_offset;
#ifdef GOT_BIAS
relocation += GOT_BIAS;
#endif
addend = rel->r_addend;
goto final_link_relocate;
case R_SH_PLT32:
#ifdef INCLUDE_SHMEDIA
case R_SH_PLT_LOW16:
case R_SH_PLT_MEDLOW16:
case R_SH_PLT_MEDHI16:
case R_SH_PLT_HI16:
#endif
/* Relocation is to the entry for this symbol in the
procedure linkage table. */
/* Resolve a PLT reloc against a local symbol directly,
without using the procedure linkage table. */
if (h == NULL)
goto final_link_relocate;
/* We don't want to warn on calls to undefined weak symbols,
as calls to them must be protected by non-NULL tests
anyway, and unprotected calls would invoke undefined
behavior. */
if (h->root.type == bfd_link_hash_undefweak)
check_segment[0] = check_segment[1] = -1;
if (h->forced_local)
goto final_link_relocate;
if (h->plt.offset == (bfd_vma) -1)
{
/* We didn't make a PLT entry for this symbol. This
happens when statically linking PIC code, or when
using -Bsymbolic. */
goto final_link_relocate;
}
BFD_ASSERT (splt != NULL);
check_segment[1] = plt_segment;
relocation = (splt->output_section->vma
+ splt->output_offset
+ h->plt.offset);
#ifdef INCLUDE_SHMEDIA
relocation++;
#endif
addend = rel->r_addend;
goto final_link_relocate;
/* Relocation is to the canonical function descriptor for this
symbol, possibly via the GOT. Initialize the GOT
entry and function descriptor if necessary. */
case R_SH_GOTFUNCDESC:
case R_SH_GOTFUNCDESC20:
case R_SH_FUNCDESC:
{
int dynindx = -1;
asection *reloc_section;
bfd_vma reloc_offset;
int reloc_type = R_SH_FUNCDESC;
BFD_ASSERT (htab);
check_segment[0] = check_segment[1] = -1;
/* FIXME: See what FRV does for global symbols in the
executable, with --export-dynamic. Do they need ld.so
to allocate official descriptors? See what this code
does. */
relocation = 0;
addend = 0;
if (r_type == R_SH_FUNCDESC)
{
reloc_section = input_section;
reloc_offset = rel->r_offset;
}
else
{
reloc_section = sgot;
if (h != NULL)
reloc_offset = h->got.offset;
else
{
BFD_ASSERT (local_got_offsets != NULL);
reloc_offset = local_got_offsets[r_symndx];
}
BFD_ASSERT (reloc_offset != MINUS_ONE);
if (reloc_offset & 1)
{
reloc_offset &= ~1;
goto funcdesc_done_got;
}
}
if (h && h->root.type == bfd_link_hash_undefweak
&& (SYMBOL_CALLS_LOCAL (info, h)
|| !htab->root.dynamic_sections_created))
/* Undefined weak symbol which will not be dynamically
resolved later; leave it at zero. */
goto funcdesc_leave_zero;
else if (SYMBOL_CALLS_LOCAL (info, h)
&& ! SYMBOL_FUNCDESC_LOCAL (info, h))
{
/* If the symbol needs a non-local function descriptor
but binds locally (i.e., its visibility is
protected), emit a dynamic relocation decayed to
section+offset. This is an optimization; the dynamic
linker would resolve our function descriptor request
to our copy of the function anyway. */
dynindx = elf_section_data (h->root.u.def.section
->output_section)->dynindx;
relocation += h->root.u.def.section->output_offset
+ h->root.u.def.value;
}
else if (! SYMBOL_FUNCDESC_LOCAL (info, h))
{
/* If the symbol is dynamic and there will be dynamic
symbol resolution because we are or are linked with a
shared library, emit a FUNCDESC relocation such that
the dynamic linker will allocate the function
descriptor. */
BFD_ASSERT (h->dynindx != -1);
dynindx = h->dynindx;
}
else
{
bfd_vma offset;
/* Otherwise, we know we have a private function
descriptor, so reference it directly. */
reloc_type = R_SH_DIR32;
dynindx = elf_section_data (htab->sfuncdesc
->output_section)->dynindx;
if (h)
{
offset = sh_elf_hash_entry (h)->funcdesc.offset;
BFD_ASSERT (offset != MINUS_ONE);
if ((offset & 1) == 0)
{
if (!sh_elf_initialize_funcdesc (output_bfd, info, h,
offset, NULL, 0))
return FALSE;
sh_elf_hash_entry (h)->funcdesc.offset |= 1;
}
}
else
{
union gotref *local_funcdesc;
local_funcdesc = sh_elf_local_funcdesc (input_bfd);
offset = local_funcdesc[r_symndx].offset;
BFD_ASSERT (offset != MINUS_ONE);
if ((offset & 1) == 0)
{
if (!sh_elf_initialize_funcdesc (output_bfd, info, NULL,
offset, sec,
sym->st_value))
return FALSE;
local_funcdesc[r_symndx].offset |= 1;
}
}
relocation = htab->sfuncdesc->output_offset + (offset & ~1);
}
if (!bfd_link_pic (info) && SYMBOL_FUNCDESC_LOCAL (info, h))
{
bfd_vma offset;
if (sh_elf_osec_readonly_p (output_bfd,
reloc_section->output_section))
{
_bfd_error_handler
/* xgettext:c-format */
(_("%B(%A+%#Lx): cannot emit fixup to `%s' in read-only section"),
input_bfd,
input_section,
rel->r_offset,
symname);
return FALSE;
}
offset = _bfd_elf_section_offset (output_bfd, info,
reloc_section, reloc_offset);
if (offset != (bfd_vma)-1)
sh_elf_add_rofixup (output_bfd, htab->srofixup,
offset
+ reloc_section->output_section->vma
+ reloc_section->output_offset);
}
else if ((reloc_section->output_section->flags
& (SEC_ALLOC | SEC_LOAD)) == (SEC_ALLOC | SEC_LOAD))
{
bfd_vma offset;
if (sh_elf_osec_readonly_p (output_bfd,
reloc_section->output_section))
{
info->callbacks->warning
(info,
_("cannot emit dynamic relocations in read-only section"),
symname, input_bfd, reloc_section, reloc_offset);
return FALSE;
}
offset = _bfd_elf_section_offset (output_bfd, info,
reloc_section, reloc_offset);
if (offset != (bfd_vma)-1)
sh_elf_add_dyn_reloc (output_bfd, srelgot,
offset
+ reloc_section->output_section->vma
+ reloc_section->output_offset,
reloc_type, dynindx, relocation);
if (r_type == R_SH_FUNCDESC)
{
r = bfd_reloc_ok;
break;
}
else
{
relocation = 0;
goto funcdesc_leave_zero;
}
}
if (SYMBOL_FUNCDESC_LOCAL (info, h))
relocation += htab->sfuncdesc->output_section->vma;
funcdesc_leave_zero:
if (r_type != R_SH_FUNCDESC)
{
bfd_put_32 (output_bfd, relocation,
reloc_section->contents + reloc_offset);
if (h != NULL)
h->got.offset |= 1;
else
local_got_offsets[r_symndx] |= 1;
funcdesc_done_got:
relocation = sh_elf_got_offset (htab) + reloc_offset;
#ifdef GOT_BIAS
relocation -= GOT_BIAS;
#endif
}
if (r_type == R_SH_GOTFUNCDESC20)
{
r = install_movi20_field (output_bfd, relocation + addend,
input_bfd, input_section, contents,
rel->r_offset);
break;
}
else
goto final_link_relocate;
}
break;
case R_SH_GOTOFFFUNCDESC:
case R_SH_GOTOFFFUNCDESC20:
/* FIXME: See R_SH_FUNCDESC comment about global symbols in the
executable and --export-dynamic. If such symbols get
ld.so-allocated descriptors we can not use R_SH_GOTOFFFUNCDESC
for them. */
BFD_ASSERT (htab);
check_segment[0] = check_segment[1] = -1;
relocation = 0;
addend = rel->r_addend;
if (h && (h->root.type == bfd_link_hash_undefweak
|| !SYMBOL_FUNCDESC_LOCAL (info, h)))
{
_bfd_error_handler
/* xgettext:c-format */
(_("%B(%A+%#Lx): %s relocation against external symbol \"%s\""),
input_bfd, input_section, rel->r_offset, howto->name,
h->root.root.string);
return FALSE;
}
else
{
bfd_vma offset;
/* Otherwise, we know we have a private function
descriptor, so reference it directly. */
if (h)
{
offset = sh_elf_hash_entry (h)->funcdesc.offset;
BFD_ASSERT (offset != MINUS_ONE);
if ((offset & 1) == 0)
{
if (!sh_elf_initialize_funcdesc (output_bfd, info, h,
offset, NULL, 0))
return FALSE;
sh_elf_hash_entry (h)->funcdesc.offset |= 1;
}
}
else
{
union gotref *local_funcdesc;
local_funcdesc = sh_elf_local_funcdesc (input_bfd);
offset = local_funcdesc[r_symndx].offset;
BFD_ASSERT (offset != MINUS_ONE);
if ((offset & 1) == 0)
{
if (!sh_elf_initialize_funcdesc (output_bfd, info, NULL,
offset, sec,
sym->st_value))
return FALSE;
local_funcdesc[r_symndx].offset |= 1;
}
}
relocation = htab->sfuncdesc->output_offset + (offset & ~1);
}
relocation -= (htab->root.hgot->root.u.def.value
+ sgotplt->output_offset);
#ifdef GOT_BIAS
relocation -= GOT_BIAS;
#endif
if (r_type == R_SH_GOTOFFFUNCDESC20)
{
r = install_movi20_field (output_bfd, relocation + addend,
input_bfd, input_section, contents,
rel->r_offset);
break;
}
else
goto final_link_relocate;
case R_SH_LOOP_START:
{
static bfd_vma start, end;
start = (relocation + rel->r_addend
- (sec->output_section->vma + sec->output_offset));
r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents,
rel->r_offset, sec, start, end);
break;
case R_SH_LOOP_END:
end = (relocation + rel->r_addend
- (sec->output_section->vma + sec->output_offset));
r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents,
rel->r_offset, sec, start, end);
break;
}
case R_SH_TLS_GD_32:
case R_SH_TLS_IE_32:
BFD_ASSERT (htab);
check_segment[0] = check_segment[1] = -1;
r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL);
got_type = GOT_UNKNOWN;
if (h == NULL && local_got_offsets)
got_type = sh_elf_local_got_type (input_bfd) [r_symndx];
else if (h != NULL)
{
got_type = sh_elf_hash_entry (h)->got_type;
if (! bfd_link_pic (info)
&& (h->dynindx == -1
|| h->def_regular))
r_type = R_SH_TLS_LE_32;
}
if (r_type == R_SH_TLS_GD_32 && got_type == GOT_TLS_IE)
r_type = R_SH_TLS_IE_32;
if (r_type == R_SH_TLS_LE_32)
{
bfd_vma offset;
unsigned short insn;
if (ELF32_R_TYPE (rel->r_info) == R_SH_TLS_GD_32)
{
/* GD->LE transition:
mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
jsr @r1; add r12,r4; bra 3f; nop; .align 2;
1: .long x$TLSGD; 2: .long __tls_get_addr@PLT; 3:
We change it into:
mov.l 1f,r4; stc gbr,r0; add r4,r0; nop;
nop; nop; ...
1: .long x@TPOFF; 2: .long __tls_get_addr@PLT; 3:. */
offset = rel->r_offset;
BFD_ASSERT (offset >= 16);
/* Size of GD instructions is 16 or 18. */
offset -= 16;
insn = bfd_get_16 (input_bfd, contents + offset + 0);
if ((insn & 0xff00) == 0xc700)
{
BFD_ASSERT (offset >= 2);
offset -= 2;
insn = bfd_get_16 (input_bfd, contents + offset + 0);
}
BFD_ASSERT ((insn & 0xff00) == 0xd400);
insn = bfd_get_16 (input_bfd, contents + offset + 2);
BFD_ASSERT ((insn & 0xff00) == 0xc700);
insn = bfd_get_16 (input_bfd, contents + offset + 4);
BFD_ASSERT ((insn & 0xff00) == 0xd100);
insn = bfd_get_16 (input_bfd, contents + offset + 6);
BFD_ASSERT (insn == 0x310c);
insn = bfd_get_16 (input_bfd, contents + offset + 8);
BFD_ASSERT (insn == 0x410b);
insn = bfd_get_16 (input_bfd, contents + offset + 10);
BFD_ASSERT (insn == 0x34cc);
bfd_put_16 (output_bfd, 0x0012, contents + offset + 2);
bfd_put_16 (output_bfd, 0x304c, contents + offset + 4);
bfd_put_16 (output_bfd, 0x0009, contents + offset + 6);
bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
}
else
{
int target;
/* IE->LE transition:
mov.l 1f,r0; stc gbr,rN; mov.l @(r0,r12),rM;
bra 2f; add ...; .align 2; 1: x@GOTTPOFF; 2:
We change it into:
mov.l .Ln,rM; stc gbr,rN; nop; ...;
1: x@TPOFF; 2:. */
offset = rel->r_offset;
BFD_ASSERT (offset >= 16);
/* Size of IE instructions is 10 or 12. */
offset -= 10;
insn = bfd_get_16 (input_bfd, contents + offset + 0);
if ((insn & 0xf0ff) == 0x0012)
{
BFD_ASSERT (offset >= 2);
offset -= 2;
insn = bfd_get_16 (input_bfd, contents + offset + 0);
}
BFD_ASSERT ((insn & 0xff00) == 0xd000);
target = insn & 0x00ff;
insn = bfd_get_16 (input_bfd, contents + offset + 2);
BFD_ASSERT ((insn & 0xf0ff) == 0x0012);
insn = bfd_get_16 (input_bfd, contents + offset + 4);
BFD_ASSERT ((insn & 0xf0ff) == 0x00ce);
insn = 0xd000 | (insn & 0x0f00) | target;
bfd_put_16 (output_bfd, insn, contents + offset + 0);
bfd_put_16 (output_bfd, 0x0009, contents + offset + 4);
}
bfd_put_32 (output_bfd, tpoff (info, relocation),
contents + rel->r_offset);
continue;
}
if (sgot == NULL || sgotplt == NULL)
abort ();
if (h != NULL)
off = h->got.offset;
else
{
if (local_got_offsets == NULL)
abort ();
off = local_got_offsets[r_symndx];
}
/* Relocate R_SH_TLS_IE_32 directly when statically linking. */
if (r_type == R_SH_TLS_IE_32
&& ! htab->root.dynamic_sections_created)
{
off &= ~1;
bfd_put_32 (output_bfd, tpoff (info, relocation),
sgot->contents + off);
bfd_put_32 (output_bfd, sh_elf_got_offset (htab) + off,
contents + rel->r_offset);
continue;
}
if ((off & 1) != 0)
off &= ~1;
else
{
Elf_Internal_Rela outrel;
bfd_byte *loc;
int dr_type, indx;
outrel.r_offset = (sgot->output_section->vma
+ sgot->output_offset + off);
if (h == NULL || h->dynindx == -1)
indx = 0;
else
indx = h->dynindx;
dr_type = (r_type == R_SH_TLS_GD_32 ? R_SH_TLS_DTPMOD32 :
R_SH_TLS_TPOFF32);
if (dr_type == R_SH_TLS_TPOFF32 && indx == 0)
outrel.r_addend = relocation - dtpoff_base (info);
else
outrel.r_addend = 0;
outrel.r_info = ELF32_R_INFO (indx, dr_type);
loc = srelgot->contents;
loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
if (r_type == R_SH_TLS_GD_32)
{
if (indx == 0)
{
bfd_put_32 (output_bfd,
relocation - dtpoff_base (info),
sgot->contents + off + 4);
}
else
{
outrel.r_info = ELF32_R_INFO (indx,
R_SH_TLS_DTPOFF32);
outrel.r_offset += 4;
outrel.r_addend = 0;
srelgot->reloc_count++;
loc += sizeof (Elf32_External_Rela);
bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
}
}
if (h != NULL)
h->got.offset |= 1;
else
local_got_offsets[r_symndx] |= 1;
}
if (off >= (bfd_vma) -2)
abort ();
if (r_type == (int) ELF32_R_TYPE (rel->r_info))
relocation = sh_elf_got_offset (htab) + off;
else
{
bfd_vma offset;
unsigned short insn;
/* GD->IE transition:
mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
jsr @r1; add r12,r4; bra 3f; nop; .align 2;
1: .long x$TLSGD; 2: .long __tls_get_addr@PLT; 3:
We change it into:
mov.l 1f,r0; stc gbr,r4; mov.l @(r0,r12),r0; add r4,r0;
nop; nop; bra 3f; nop; .align 2;
1: .long x@TPOFF; 2:...; 3:. */
offset = rel->r_offset;
BFD_ASSERT (offset >= 16);
/* Size of GD instructions is 16 or 18. */
offset -= 16;
insn = bfd_get_16 (input_bfd, contents + offset + 0);
if ((insn & 0xff00) == 0xc700)
{
BFD_ASSERT (offset >= 2);
offset -= 2;
insn = bfd_get_16 (input_bfd, contents + offset + 0);
}
BFD_ASSERT ((insn & 0xff00) == 0xd400);
/* Replace mov.l 1f,R4 with mov.l 1f,r0. */
bfd_put_16 (output_bfd, insn & 0xf0ff, contents + offset);
insn = bfd_get_16 (input_bfd, contents + offset + 2);
BFD_ASSERT ((insn & 0xff00) == 0xc700);
insn = bfd_get_16 (input_bfd, contents + offset + 4);
BFD_ASSERT ((insn & 0xff00) == 0xd100);
insn = bfd_get_16 (input_bfd, contents + offset + 6);
BFD_ASSERT (insn == 0x310c);
insn = bfd_get_16 (input_bfd, contents + offset + 8);
BFD_ASSERT (insn == 0x410b);
insn = bfd_get_16 (input_bfd, contents + offset + 10);
BFD_ASSERT (insn == 0x34cc);
bfd_put_16 (output_bfd, 0x0412, contents + offset + 2);
bfd_put_16 (output_bfd, 0x00ce, contents + offset + 4);
bfd_put_16 (output_bfd, 0x304c, contents + offset + 6);
bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
bfd_put_32 (output_bfd, sh_elf_got_offset (htab) + off,
contents + rel->r_offset);
continue;
}
addend = rel->r_addend;
goto final_link_relocate;
case R_SH_TLS_LD_32:
BFD_ASSERT (htab);
check_segment[0] = check_segment[1] = -1;
if (! bfd_link_pic (info))
{
bfd_vma offset;
unsigned short insn;
/* LD->LE transition:
mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
jsr @r1; add r12,r4; bra 3f; nop; .align 2;
1: .long x$TLSLD; 2: .long __tls_get_addr@PLT; 3:
We change it into:
stc gbr,r0; nop; nop; nop;
nop; nop; bra 3f; ...; 3:. */
offset = rel->r_offset;
BFD_ASSERT (offset >= 16);
/* Size of LD instructions is 16 or 18. */
offset -= 16;
insn = bfd_get_16 (input_bfd, contents + offset + 0);
if ((insn & 0xff00) == 0xc700)
{
BFD_ASSERT (offset >= 2);
offset -= 2;
insn = bfd_get_16 (input_bfd, contents + offset + 0);
}
BFD_ASSERT ((insn & 0xff00) == 0xd400);
insn = bfd_get_16 (input_bfd, contents + offset + 2);
BFD_ASSERT ((insn & 0xff00) == 0xc700);
insn = bfd_get_16 (input_bfd, contents + offset + 4);
BFD_ASSERT ((insn & 0xff00) == 0xd100);
insn = bfd_get_16 (input_bfd, contents + offset + 6);
BFD_ASSERT (insn == 0x310c);
insn = bfd_get_16 (input_bfd, contents + offset + 8);
BFD_ASSERT (insn == 0x410b);
insn = bfd_get_16 (input_bfd, contents + offset + 10);
BFD_ASSERT (insn == 0x34cc);
bfd_put_16 (output_bfd, 0x0012, contents + offset + 0);
bfd_put_16 (output_bfd, 0x0009, contents + offset + 2);
bfd_put_16 (output_bfd, 0x0009, contents + offset + 4);
bfd_put_16 (output_bfd, 0x0009, contents + offset + 6);
bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
continue;
}
if (sgot == NULL || sgotplt == NULL)
abort ();
off = htab->tls_ldm_got.offset;
if (off & 1)
off &= ~1;
else
{
Elf_Internal_Rela outrel;
bfd_byte *loc;
outrel.r_offset = (sgot->output_section->vma
+ sgot->output_offset + off);
outrel.r_addend = 0;
outrel.r_info = ELF32_R_INFO (0, R_SH_TLS_DTPMOD32);
loc = srelgot->contents;
loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
htab->tls_ldm_got.offset |= 1;
}
relocation = sh_elf_got_offset (htab) + off;
addend = rel->r_addend;
goto final_link_relocate;
case R_SH_TLS_LDO_32:
check_segment[0] = check_segment[1] = -1;
if (! bfd_link_pic (info))
relocation = tpoff (info, relocation);
else
relocation -= dtpoff_base (info);
addend = rel->r_addend;
goto final_link_relocate;
case R_SH_TLS_LE_32:
{
int indx;
Elf_Internal_Rela outrel;
bfd_byte *loc;
check_segment[0] = check_segment[1] = -1;
if (!bfd_link_dll (info))
{
relocation = tpoff (info, relocation);
addend = rel->r_addend;
goto final_link_relocate;
}
if (sreloc == NULL)
{
sreloc = _bfd_elf_get_dynamic_reloc_section
(input_bfd, input_section, /*rela?*/ TRUE);
if (sreloc == NULL)
return FALSE;
}
if (h == NULL || h->dynindx == -1)
indx = 0;
else
indx = h->dynindx;
outrel.r_offset = (input_section->output_section->vma
+ input_section->output_offset
+ rel->r_offset);
outrel.r_info = ELF32_R_INFO (indx, R_SH_TLS_TPOFF32);
if (indx == 0)
outrel.r_addend = relocation - dtpoff_base (info);
else
outrel.r_addend = 0;
loc = sreloc->contents;
loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
continue;
}
}
relocation_done:
if (fdpic_p && check_segment[0] != (unsigned) -1
&& check_segment[0] != check_segment[1])
{
/* We don't want duplicate errors for undefined symbols. */
if (!h || h->root.type != bfd_link_hash_undefined)
{
if (bfd_link_pic (info))
{
info->callbacks->einfo
/* xgettext:c-format */
(_("%X%C: relocation to \"%s\" references a different segment\n"),
input_bfd, input_section, rel->r_offset, symname);
return FALSE;
}
else
info->callbacks->einfo
/* xgettext:c-format */
(_("%C: warning: relocation to \"%s\" references a different segment\n"),
input_bfd, input_section, rel->r_offset, symname);
}
elf_elfheader (output_bfd)->e_flags |= EF_SH_PIC;
}
if (r != bfd_reloc_ok)
{
switch (r)
{
default:
case bfd_reloc_outofrange:
abort ();
case bfd_reloc_overflow:
{
const char *name;
if (h != NULL)
name = NULL;
else
{
name = (bfd_elf_string_from_elf_section
(input_bfd, symtab_hdr->sh_link, sym->st_name));
if (name == NULL)
return FALSE;
if (*name == '\0')
name = bfd_section_name (input_bfd, sec);
}
(*info->callbacks->reloc_overflow)
(info, (h ? &h->root : NULL), name, howto->name,
(bfd_vma) 0, input_bfd, input_section, rel->r_offset);
}
break;
}
}
}
return TRUE;
}
/* This is a version of bfd_generic_get_relocated_section_contents
which uses sh_elf_relocate_section. */
static bfd_byte *
sh_elf_get_relocated_section_contents (bfd *output_bfd,
struct bfd_link_info *link_info,
struct bfd_link_order *link_order,
bfd_byte *data,
bfd_boolean relocatable,
asymbol **symbols)
{
Elf_Internal_Shdr *symtab_hdr;
asection *input_section = link_order->u.indirect.section;
bfd *input_bfd = input_section->owner;
asection **sections = NULL;
Elf_Internal_Rela *internal_relocs = NULL;
Elf_Internal_Sym *isymbuf = NULL;
/* We only need to handle the case of relaxing, or of having a
particular set of section contents, specially. */
if (relocatable
|| elf_section_data (input_section)->this_hdr.contents == NULL)
return bfd_generic_get_relocated_section_contents (output_bfd, link_info,
link_order, data,
relocatable,
symbols);
symtab_hdr = &elf_symtab_hdr (input_bfd);
memcpy (data, elf_section_data (input_section)->this_hdr.contents,
(size_t) input_section->size);
if ((input_section->flags & SEC_RELOC) != 0
&& input_section->reloc_count > 0)
{
asection **secpp;
Elf_Internal_Sym *isym, *isymend;
bfd_size_type amt;
internal_relocs = (_bfd_elf_link_read_relocs
(input_bfd, input_section, NULL,
(Elf_Internal_Rela *) NULL, FALSE));
if (internal_relocs == NULL)
goto error_return;
if (symtab_hdr->sh_info != 0)
{
isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
if (isymbuf == NULL)
isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
symtab_hdr->sh_info, 0,
NULL, NULL, NULL);
if (isymbuf == NULL)
goto error_return;
}
amt = symtab_hdr->sh_info;
amt *= sizeof (asection *);
sections = (asection **) bfd_malloc (amt);
if (sections == NULL && amt != 0)
goto error_return;
isymend = isymbuf + symtab_hdr->sh_info;
for (isym = isymbuf, secpp = sections; isym < isymend; ++isym, ++secpp)
{
asection *isec;
if (isym->st_shndx == SHN_UNDEF)
isec = bfd_und_section_ptr;
else if (isym->st_shndx == SHN_ABS)
isec = bfd_abs_section_ptr;
else if (isym->st_shndx == SHN_COMMON)
isec = bfd_com_section_ptr;
else
isec = bfd_section_from_elf_index (input_bfd, isym->st_shndx);
*secpp = isec;
}
if (! sh_elf_relocate_section (output_bfd, link_info, input_bfd,
input_section, data, internal_relocs,
isymbuf, sections))
goto error_return;
if (sections != NULL)
free (sections);
if (isymbuf != NULL
&& symtab_hdr->contents != (unsigned char *) isymbuf)
free (isymbuf);
if (elf_section_data (input_section)->relocs != internal_relocs)
free (internal_relocs);
}
return data;
error_return:
if (sections != NULL)
free (sections);
if (isymbuf != NULL
&& symtab_hdr->contents != (unsigned char *) isymbuf)
free (isymbuf);
if (internal_relocs != NULL
&& elf_section_data (input_section)->relocs != internal_relocs)
free (internal_relocs);
return NULL;
}
/* Return the base VMA address which should be subtracted from real addresses
when resolving @dtpoff relocation.
This is PT_TLS segment p_vaddr. */
static bfd_vma
dtpoff_base (struct bfd_link_info *info)
{
/* If tls_sec is NULL, we should have signalled an error already. */
if (elf_hash_table (info)->tls_sec == NULL)
return 0;
return elf_hash_table (info)->tls_sec->vma;
}
/* Return the relocation value for R_SH_TLS_TPOFF32.. */
static bfd_vma
tpoff (struct bfd_link_info *info, bfd_vma address)
{
/* If tls_sec is NULL, we should have signalled an error already. */
if (elf_hash_table (info)->tls_sec == NULL)
return 0;
/* SH TLS ABI is variant I and static TLS block start just after tcbhead
structure which has 2 pointer fields. */
return (address - elf_hash_table (info)->tls_sec->vma
+ align_power ((bfd_vma) 8,
elf_hash_table (info)->tls_sec->alignment_power));
}
static asection *
sh_elf_gc_mark_hook (asection *sec,
struct bfd_link_info *info,
Elf_Internal_Rela *rel,
struct elf_link_hash_entry *h,
Elf_Internal_Sym *sym)
{
if (h != NULL)
switch (ELF32_R_TYPE (rel->r_info))
{
case R_SH_GNU_VTINHERIT:
case R_SH_GNU_VTENTRY:
return NULL;
}
return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
}
/* Copy the extra info we tack onto an elf_link_hash_entry. */
static void
sh_elf_copy_indirect_symbol (struct bfd_link_info *info,
struct elf_link_hash_entry *dir,
struct elf_link_hash_entry *ind)
{
struct elf_sh_link_hash_entry *edir, *eind;
edir = (struct elf_sh_link_hash_entry *) dir;
eind = (struct elf_sh_link_hash_entry *) ind;
if (eind->dyn_relocs != NULL)
{
if (edir->dyn_relocs != NULL)
{
struct elf_sh_dyn_relocs **pp;
struct elf_sh_dyn_relocs *p;
/* Add reloc counts against the indirect sym to the direct sym
list. Merge any entries against the same section. */
for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
{
struct elf_sh_dyn_relocs *q;
for (q = edir->dyn_relocs; q != NULL; q = q->next)
if (q->sec == p->sec)
{
q->pc_count += p->pc_count;
q->count += p->count;
*pp = p->next;
break;
}
if (q == NULL)
pp = &p->next;
}
*pp = edir->dyn_relocs;
}
edir->dyn_relocs = eind->dyn_relocs;
eind->dyn_relocs = NULL;
}
edir->gotplt_refcount = eind->gotplt_refcount;
eind->gotplt_refcount = 0;
#ifdef INCLUDE_SHMEDIA
edir->datalabel_got.refcount += eind->datalabel_got.refcount;
eind->datalabel_got.refcount = 0;
#endif
edir->funcdesc.refcount += eind->funcdesc.refcount;
eind->funcdesc.refcount = 0;
edir->abs_funcdesc_refcount += eind->abs_funcdesc_refcount;
eind->abs_funcdesc_refcount = 0;
if (ind->root.type == bfd_link_hash_indirect
&& dir->got.refcount <= 0)
{
edir->got_type = eind->got_type;
eind->got_type = GOT_UNKNOWN;
}
if (ind->root.type != bfd_link_hash_indirect
&& dir->dynamic_adjusted)
{
/* If called to transfer flags for a weakdef during processing
of elf_adjust_dynamic_symbol, don't copy non_got_ref.
We clear it ourselves for ELIMINATE_COPY_RELOCS. */
if (dir->versioned != versioned_hidden)
dir->ref_dynamic |= ind->ref_dynamic;
dir->ref_regular |= ind->ref_regular;
dir->ref_regular_nonweak |= ind->ref_regular_nonweak;
dir->needs_plt |= ind->needs_plt;
}
else
_bfd_elf_link_hash_copy_indirect (info, dir, ind);
}
static int
sh_elf_optimized_tls_reloc (struct bfd_link_info *info, int r_type,
int is_local)
{
if (bfd_link_pic (info))
return r_type;
switch (r_type)
{
case R_SH_TLS_GD_32:
case R_SH_TLS_IE_32:
if (is_local)
return R_SH_TLS_LE_32;
return R_SH_TLS_IE_32;
case R_SH_TLS_LD_32:
return R_SH_TLS_LE_32;
}
return r_type;
}
/* Look through the relocs for a section during the first phase.
Since we don't do .gots or .plts, we just need to consider the
virtual table relocs for gc. */
static bfd_boolean
sh_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec,
const Elf_Internal_Rela *relocs)
{
Elf_Internal_Shdr *symtab_hdr;
struct elf_link_hash_entry **sym_hashes;
struct elf_sh_link_hash_table *htab;
const Elf_Internal_Rela *rel;
const Elf_Internal_Rela *rel_end;
asection *sreloc;
unsigned int r_type;
enum got_type got_type, old_got_type;
sreloc = NULL;
if (bfd_link_relocatable (info))
return TRUE;
BFD_ASSERT (is_sh_elf (abfd));
symtab_hdr = &elf_symtab_hdr (abfd);
sym_hashes = elf_sym_hashes (abfd);
htab = sh_elf_hash_table (info);
if (htab == NULL)
return FALSE;
rel_end = relocs + sec->reloc_count;
for (rel = relocs; rel < rel_end; rel++)
{
struct elf_link_hash_entry *h;
unsigned long r_symndx;
#ifdef INCLUDE_SHMEDIA
int seen_stt_datalabel = 0;
#endif
r_symndx = ELF32_R_SYM (rel->r_info);
r_type = ELF32_R_TYPE (rel->r_info);
if (r_symndx < symtab_hdr->sh_info)
h = NULL;
else
{
h = sym_hashes[r_symndx - symtab_hdr->sh_info];
while (h->root.type == bfd_link_hash_indirect
|| h->root.type == bfd_link_hash_warning)
{
#ifdef INCLUDE_SHMEDIA
seen_stt_datalabel |= h->type == STT_DATALABEL;
#endif
h = (struct elf_link_hash_entry *) h->root.u.i.link;
}
/* PR15323, ref flags aren't set for references in the same
object. */
h->root.non_ir_ref_regular = 1;
}
r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL);
if (! bfd_link_pic (info)
&& r_type == R_SH_TLS_IE_32
&& h != NULL
&& h->root.type != bfd_link_hash_undefined
&& h->root.type != bfd_link_hash_undefweak
&& (h->dynindx == -1
|| h->def_regular))
r_type = R_SH_TLS_LE_32;
if (htab->fdpic_p)
switch (r_type)
{
case R_SH_GOTOFFFUNCDESC:
case R_SH_GOTOFFFUNCDESC20:
case R_SH_FUNCDESC:
case R_SH_GOTFUNCDESC:
case R_SH_GOTFUNCDESC20:
if (h != NULL)
{
if (h->dynindx == -1)
switch (ELF_ST_VISIBILITY (h->other))
{
case STV_INTERNAL:
case STV_HIDDEN:
break;
default:
bfd_elf_link_record_dynamic_symbol (info, h);
break;
}
}
break;
}
/* Some relocs require a global offset table. */
if (htab->root.sgot == NULL)
{
switch (r_type)
{
case R_SH_DIR32:
/* This may require an rofixup. */
if (!htab->fdpic_p)
break;
/* Fall through. */
case R_SH_GOTPLT32:
case R_SH_GOT32:
case R_SH_GOT20:
case R_SH_GOTOFF:
case R_SH_GOTOFF20:
case R_SH_FUNCDESC:
case R_SH_GOTFUNCDESC:
case R_SH_GOTFUNCDESC20:
case R_SH_GOTOFFFUNCDESC:
case R_SH_GOTOFFFUNCDESC20:
case R_SH_GOTPC:
#ifdef INCLUDE_SHMEDIA
case R_SH_GOTPLT_LOW16:
case R_SH_GOTPLT_MEDLOW16:
case R_SH_GOTPLT_MEDHI16:
case R_SH_GOTPLT_HI16:
case R_SH_GOTPLT10BY4:
case R_SH_GOTPLT10BY8:
case R_SH_GOT_LOW16:
case R_SH_GOT_MEDLOW16:
case R_SH_GOT_MEDHI16:
case R_SH_GOT_HI16:
case R_SH_GOT10BY4:
case R_SH_GOT10BY8:
case R_SH_GOTOFF_LOW16:
case R_SH_GOTOFF_MEDLOW16:
case R_SH_GOTOFF_MEDHI16:
case R_SH_GOTOFF_HI16:
case R_SH_GOTPC_LOW16:
case R_SH_GOTPC_MEDLOW16:
case R_SH_GOTPC_MEDHI16:
case R_SH_GOTPC_HI16:
#endif
case R_SH_TLS_GD_32:
case R_SH_TLS_LD_32:
case R_SH_TLS_IE_32:
if (htab->root.dynobj == NULL)
htab->root.dynobj = abfd;
if (!create_got_section (htab->root.dynobj, info))
return FALSE;
break;
default:
break;
}
}
switch (r_type)
{
/* This relocation describes the C++ object vtable hierarchy.
Reconstruct it for later use during GC. */
case R_SH_GNU_VTINHERIT:
if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
return FALSE;
break;
/* This relocation describes which C++ vtable entries are actually
used. Record for later use during GC. */
case R_SH_GNU_VTENTRY:
BFD_ASSERT (h != NULL);
if (h != NULL
&& !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
return FALSE;
break;
case R_SH_TLS_IE_32:
if (bfd_link_pic (info))
info->flags |= DF_STATIC_TLS;
/* FALLTHROUGH */
force_got:
case R_SH_TLS_GD_32:
case R_SH_GOT32:
case R_SH_GOT20:
#ifdef INCLUDE_SHMEDIA
case R_SH_GOT_LOW16:
case R_SH_GOT_MEDLOW16:
case R_SH_GOT_MEDHI16:
case R_SH_GOT_HI16:
case R_SH_GOT10BY4:
case R_SH_GOT10BY8:
#endif
case R_SH_GOTFUNCDESC:
case R_SH_GOTFUNCDESC20:
switch (r_type)
{
default:
got_type = GOT_NORMAL;
break;
case R_SH_TLS_GD_32:
got_type = GOT_TLS_GD;
break;
case R_SH_TLS_IE_32:
got_type = GOT_TLS_IE;
break;
case R_SH_GOTFUNCDESC:
case R_SH_GOTFUNCDESC20:
got_type = GOT_FUNCDESC;
break;
}
if (h != NULL)
{
#ifdef INCLUDE_SHMEDIA
if (seen_stt_datalabel)
{
struct elf_sh_link_hash_entry *eh
= (struct elf_sh_link_hash_entry *) h;
eh->datalabel_got.refcount += 1;
}
else
#endif
h->got.refcount += 1;
old_got_type = sh_elf_hash_entry (h)->got_type;
}
else
{
bfd_signed_vma *local_got_refcounts;
/* This is a global offset table entry for a local
symbol. */
local_got_refcounts = elf_local_got_refcounts (abfd);
if (local_got_refcounts == NULL)
{
bfd_size_type size;
size = symtab_hdr->sh_info;
size *= sizeof (bfd_signed_vma);
#ifdef INCLUDE_SHMEDIA
/* Reserve space for both the datalabel and
codelabel local GOT offsets. */
size *= 2;
#endif
size += symtab_hdr->sh_info;
local_got_refcounts = ((bfd_signed_vma *)
bfd_zalloc (abfd, size));
if (local_got_refcounts == NULL)
return FALSE;
elf_local_got_refcounts (abfd) = local_got_refcounts;
#ifdef INCLUDE_SHMEDIA
/* Take care of both the datalabel and codelabel local
GOT offsets. */
sh_elf_local_got_type (abfd)
= (char *) (local_got_refcounts + 2 * symtab_hdr->sh_info);
#else
sh_elf_local_got_type (abfd)
= (char *) (local_got_refcounts + symtab_hdr->sh_info);
#endif
}
#ifdef INCLUDE_SHMEDIA
if (rel->r_addend & 1)
local_got_refcounts[symtab_hdr->sh_info + r_symndx] += 1;
else
#endif
local_got_refcounts[r_symndx] += 1;
old_got_type = sh_elf_local_got_type (abfd) [r_symndx];
}
/* If a TLS symbol is accessed using IE at least once,
there is no point to use dynamic model for it. */
if (old_got_type != got_type && old_got_type != GOT_UNKNOWN
&& (old_got_type != GOT_TLS_GD || got_type != GOT_TLS_IE))
{
if (old_got_type == GOT_TLS_IE && got_type == GOT_TLS_GD)
got_type = GOT_TLS_IE;
else
{
if ((old_got_type == GOT_FUNCDESC || got_type == GOT_FUNCDESC)
&& (old_got_type == GOT_NORMAL || got_type == GOT_NORMAL))
_bfd_error_handler
/* xgettext:c-format */
(_("%B: `%s' accessed both as normal and FDPIC symbol"),
abfd, h->root.root.string);
else if (old_got_type == GOT_FUNCDESC
|| got_type == GOT_FUNCDESC)
_bfd_error_handler
/* xgettext:c-format */
(_("%B: `%s' accessed both as FDPIC and thread local symbol"),
abfd, h->root.root.string);
else
_bfd_error_handler
/* xgettext:c-format */
(_("%B: `%s' accessed both as normal and thread local symbol"),
abfd, h->root.root.string);
return FALSE;
}
}
if (old_got_type != got_type)
{
if (h != NULL)
sh_elf_hash_entry (h)->got_type = got_type;
else
sh_elf_local_got_type (abfd) [r_symndx] = got_type;
}
break;
case R_SH_TLS_LD_32:
sh_elf_hash_table(info)->tls_ldm_got.refcount += 1;
break;
case R_SH_FUNCDESC:
case R_SH_GOTOFFFUNCDESC:
case R_SH_GOTOFFFUNCDESC20:
if (rel->r_addend)
{
_bfd_error_handler
(_("%B: Function descriptor relocation with non-zero addend"),
abfd);
return FALSE;
}
if (h == NULL)
{
union gotref *local_funcdesc;
/* We need a function descriptor for a local symbol. */
local_funcdesc = sh_elf_local_funcdesc (abfd);
if (local_funcdesc == NULL)
{
bfd_size_type size;
size = symtab_hdr->sh_info * sizeof (union gotref);
#ifdef INCLUDE_SHMEDIA
/* Count datalabel local GOT. */
size *= 2;
#endif
local_funcdesc = (union gotref *) bfd_zalloc (abfd, size);
if (local_funcdesc == NULL)
return FALSE;
sh_elf_local_funcdesc (abfd) = local_funcdesc;
}
local_funcdesc[r_symndx].refcount += 1;
if (r_type == R_SH_FUNCDESC)
{
if (!bfd_link_pic (info))
htab->srofixup->size += 4;
else
htab->root.srelgot->size += sizeof (Elf32_External_Rela);
}
}
else
{
sh_elf_hash_entry (h)->funcdesc.refcount++;
if (r_type == R_SH_FUNCDESC)
sh_elf_hash_entry (h)->abs_funcdesc_refcount++;
/* If there is a function descriptor reference, then
there should not be any non-FDPIC references. */
old_got_type = sh_elf_hash_entry (h)->got_type;
if (old_got_type != GOT_FUNCDESC && old_got_type != GOT_UNKNOWN)
{
if (old_got_type == GOT_NORMAL)
_bfd_error_handler
/* xgettext:c-format */
(_("%B: `%s' accessed both as normal and FDPIC symbol"),
abfd, h->root.root.string);
else
_bfd_error_handler
/* xgettext:c-format */
(_("%B: `%s' accessed both as FDPIC and thread local symbol"),
abfd, h->root.root.string);
}
}
break;
case R_SH_GOTPLT32:
#ifdef INCLUDE_SHMEDIA
case R_SH_GOTPLT_LOW16:
case R_SH_GOTPLT_MEDLOW16:
case R_SH_GOTPLT_MEDHI16:
case R_SH_GOTPLT_HI16:
case R_SH_GOTPLT10BY4:
case R_SH_GOTPLT10BY8:
#endif
/* If this is a local symbol, we resolve it directly without
creating a procedure linkage table entry. */
if (h == NULL
|| h->forced_local
|| ! bfd_link_pic (info)
|| info->symbolic
|| h->dynindx == -1)
goto force_got;
h->needs_plt = 1;
h->plt.refcount += 1;
((struct elf_sh_link_hash_entry *) h)->gotplt_refcount += 1;
break;
case R_SH_PLT32:
#ifdef INCLUDE_SHMEDIA
case R_SH_PLT_LOW16:
case R_SH_PLT_MEDLOW16:
case R_SH_PLT_MEDHI16:
case R_SH_PLT_HI16:
#endif
/* This symbol requires a procedure linkage table entry. We
actually build the entry in adjust_dynamic_symbol,
because this might be a case of linking PIC code which is
never referenced by a dynamic object, in which case we
don't need to generate a procedure linkage table entry
after all. */
/* If this is a local symbol, we resolve it directly without
creating a procedure linkage table entry. */
if (h == NULL)
continue;
if (h->forced_local)
break;
h->needs_plt = 1;
h->plt.refcount += 1;
break;
case R_SH_DIR32:
case R_SH_REL32:
#ifdef INCLUDE_SHMEDIA
case R_SH_IMM_LOW16_PCREL:
case R_SH_IMM_MEDLOW16_PCREL:
case R_SH_IMM_MEDHI16_PCREL:
case R_SH_IMM_HI16_PCREL:
#endif
if (h != NULL && ! bfd_link_pic (info))
{
h->non_got_ref = 1;
h->plt.refcount += 1;
}
/* If we are creating a shared library, and this is a reloc
against a global symbol, or a non PC relative reloc
against a local symbol, then we need to copy the reloc
into the shared library. However, if we are linking with
-Bsymbolic, we do not need to copy a reloc against a
global symbol which is defined in an object we are
including in the link (i.e., DEF_REGULAR is set). At
this point we have not seen all the input files, so it is
possible that DEF_REGULAR is not set now but will be set
later (it is never cleared). We account for that
possibility below by storing information in the
dyn_relocs field of the hash table entry. A similar
situation occurs when creating shared libraries and symbol
visibility changes render the symbol local.
If on the other hand, we are creating an executable, we
may need to keep relocations for symbols satisfied by a
dynamic library if we manage to avoid copy relocs for the
symbol. */
if ((bfd_link_pic (info)
&& (sec->flags & SEC_ALLOC) != 0
&& (r_type != R_SH_REL32
|| (h != NULL
&& (! info->symbolic
|| h->root.type == bfd_link_hash_defweak
|| !h->def_regular))))
|| (! bfd_link_pic (info)
&& (sec->flags & SEC_ALLOC) != 0
&& h != NULL
&& (h->root.type == bfd_link_hash_defweak
|| !h->def_regular)))
{
struct elf_sh_dyn_relocs *p;
struct elf_sh_dyn_relocs **head;
if (htab->root.dynobj == NULL)
htab->root.dynobj = abfd;
/* When creating a shared object, we must copy these
reloc types into the output file. We create a reloc
section in dynobj and make room for this reloc. */
if (sreloc == NULL)
{
sreloc = _bfd_elf_make_dynamic_reloc_section
(sec, htab->root.dynobj, 2, abfd, /*rela?*/ TRUE);
if (sreloc == NULL)
return FALSE;
}
/* If this is a global symbol, we count the number of
relocations we need for this symbol. */
if (h != NULL)
head = &((struct elf_sh_link_hash_entry *) h)->dyn_relocs;
else
{
/* Track dynamic relocs needed for local syms too. */
asection *s;
void *vpp;
Elf_Internal_Sym *isym;
isym = bfd_sym_from_r_symndx (&htab->sym_cache,
abfd, r_symndx);
if (isym == NULL)
return FALSE;
s = bfd_section_from_elf_index (abfd, isym->st_shndx);
if (s == NULL)
s = sec;
vpp = &elf_section_data (s)->local_dynrel;
head = (struct elf_sh_dyn_relocs **) vpp;
}
p = *head;
if (p == NULL || p->sec != sec)
{
bfd_size_type amt = sizeof (*p);
p = bfd_alloc (htab->root.dynobj, amt);
if (p == NULL)
return FALSE;
p->next = *head;
*head = p;
p->sec = sec;
p->count = 0;
p->pc_count = 0;
}
p->count += 1;
if (r_type == R_SH_REL32
#ifdef INCLUDE_SHMEDIA
|| r_type == R_SH_IMM_LOW16_PCREL
|| r_type == R_SH_IMM_MEDLOW16_PCREL
|| r_type == R_SH_IMM_MEDHI16_PCREL
|| r_type == R_SH_IMM_HI16_PCREL
#endif
)
p->pc_count += 1;
}
/* Allocate the fixup regardless of whether we need a relocation.
If we end up generating the relocation, we'll unallocate the
fixup. */
if (htab->fdpic_p && !bfd_link_pic (info)
&& r_type == R_SH_DIR32
&& (sec->flags & SEC_ALLOC) != 0)
htab->srofixup->size += 4;
break;
case R_SH_TLS_LE_32:
if (bfd_link_dll (info))
{
_bfd_error_handler
(_("%B: TLS local exec code cannot be linked into shared objects"),
abfd);
return FALSE;
}
break;
case R_SH_TLS_LDO_32:
/* Nothing to do. */
break;
default:
break;
}
}
return TRUE;
}
#ifndef sh_elf_set_mach_from_flags
static unsigned int sh_ef_bfd_table[] = { EF_SH_BFD_TABLE };
static bfd_boolean
sh_elf_set_mach_from_flags (bfd *abfd)
{
flagword flags = elf_elfheader (abfd)->e_flags & EF_SH_MACH_MASK;
if (flags >= ARRAY_SIZE (sh_ef_bfd_table))
return FALSE;
if (sh_ef_bfd_table[flags] == 0)
return FALSE;
bfd_default_set_arch_mach (abfd, bfd_arch_sh, sh_ef_bfd_table[flags]);
return TRUE;
}
/* Reverse table lookup for sh_ef_bfd_table[].
Given a bfd MACH value from archures.c
return the equivalent ELF flags from the table.
Return -1 if no match is found. */
int
sh_elf_get_flags_from_mach (unsigned long mach)
{
int i = ARRAY_SIZE (sh_ef_bfd_table) - 1;
for (; i>0; i--)
if (sh_ef_bfd_table[i] == mach)
return i;
/* shouldn't get here */
BFD_FAIL();
return -1;
}
#endif /* not sh_elf_set_mach_from_flags */
#ifndef sh_elf_copy_private_data
/* Copy backend specific data from one object module to another */
static bfd_boolean
sh_elf_copy_private_data (bfd * ibfd, bfd * obfd)
{
if (! is_sh_elf (ibfd) || ! is_sh_elf (obfd))
return TRUE;
if (! _bfd_elf_copy_private_bfd_data (ibfd, obfd))
return FALSE;
return sh_elf_set_mach_from_flags (obfd);
}
#endif /* not sh_elf_copy_private_data */
#ifndef sh_elf_merge_private_data
/* This function returns the ELF architecture number that
corresponds to the given arch_sh* flags. */
int
sh_find_elf_flags (unsigned int arch_set)
{
extern unsigned long sh_get_bfd_mach_from_arch_set (unsigned int);
unsigned long bfd_mach = sh_get_bfd_mach_from_arch_set (arch_set);
return sh_elf_get_flags_from_mach (bfd_mach);
}
/* Merge the architecture type of two BFD files, such that the
resultant architecture supports all the features required
by the two input BFDs.
If the input BFDs are multually incompatible - i.e. one uses
DSP while the other uses FPU - or there is no known architecture
that fits the requirements then an error is emitted. */
static bfd_boolean
sh_merge_bfd_arch (bfd *ibfd, struct bfd_link_info *info)
{
bfd *obfd = info->output_bfd;
unsigned int old_arch, new_arch, merged_arch;
if (! _bfd_generic_verify_endian_match (ibfd, info))
return FALSE;
old_arch = sh_get_arch_up_from_bfd_mach (bfd_get_mach (obfd));
new_arch = sh_get_arch_up_from_bfd_mach (bfd_get_mach (ibfd));
merged_arch = SH_MERGE_ARCH_SET (old_arch, new_arch);
if (!SH_VALID_CO_ARCH_SET (merged_arch))
{
_bfd_error_handler
/* xgettext:c-format */
(_("%B: uses %s instructions while previous modules "
"use %s instructions"),
ibfd,
SH_ARCH_SET_HAS_DSP (new_arch) ? "dsp" : "floating point",
SH_ARCH_SET_HAS_DSP (new_arch) ? "floating point" : "dsp");
bfd_set_error (bfd_error_bad_value);
return FALSE;
}
else if (!SH_VALID_ARCH_SET (merged_arch))
{
_bfd_error_handler
/* xgettext:c-format */
(_("internal error: merge of architecture '%s' with "
"architecture '%s' produced unknown architecture"),
bfd_printable_name (obfd),
bfd_printable_name (ibfd));
bfd_set_error (bfd_error_bad_value);
return FALSE;
}
bfd_default_set_arch_mach (obfd, bfd_arch_sh,
sh_get_bfd_mach_from_arch_set (merged_arch));
return TRUE;
}
/* This routine initialises the elf flags when required and
calls sh_merge_bfd_arch() to check dsp/fpu compatibility. */
static bfd_boolean
sh_elf_merge_private_data (bfd *ibfd, struct bfd_link_info *info)
{
bfd *obfd = info->output_bfd;
if (! is_sh_elf (ibfd) || ! is_sh_elf (obfd))
return TRUE;
if (! elf_flags_init (obfd))
{
/* This happens when ld starts out with a 'blank' output file. */
elf_flags_init (obfd) = TRUE;
elf_elfheader (obfd)->e_flags = elf_elfheader (ibfd)->e_flags;
sh_elf_set_mach_from_flags (obfd);
if (elf_elfheader (obfd)->e_flags & EF_SH_FDPIC)
elf_elfheader (obfd)->e_flags &= ~EF_SH_PIC;
}
if (! sh_merge_bfd_arch (ibfd, info))
{
_bfd_error_handler (_("%B: uses instructions which are incompatible "
"with instructions used in previous modules"),
ibfd);
bfd_set_error (bfd_error_bad_value);
return FALSE;
}
elf_elfheader (obfd)->e_flags &= ~EF_SH_MACH_MASK;
elf_elfheader (obfd)->e_flags |=
sh_elf_get_flags_from_mach (bfd_get_mach (obfd));
if (fdpic_object_p (ibfd) != fdpic_object_p (obfd))
{
_bfd_error_handler (_("%B: attempt to mix FDPIC and non-FDPIC objects"),
ibfd);
bfd_set_error (bfd_error_bad_value);
return FALSE;
}
return TRUE;
}
#endif /* not sh_elf_merge_private_data */
/* Override the generic function because we need to store sh_elf_obj_tdata
as the specific tdata. We set also the machine architecture from flags
here. */
static bfd_boolean
sh_elf_object_p (bfd *abfd)
{
if (! sh_elf_set_mach_from_flags (abfd))
return FALSE;
return (((elf_elfheader (abfd)->e_flags & EF_SH_FDPIC) != 0)
== fdpic_object_p (abfd));
}
/* Finish up dynamic symbol handling. We set the contents of various
dynamic sections here. */
static bfd_boolean
sh_elf_finish_dynamic_symbol (bfd *output_bfd, struct bfd_link_info *info,
struct elf_link_hash_entry *h,
Elf_Internal_Sym *sym)
{
struct elf_sh_link_hash_table *htab;
htab = sh_elf_hash_table (info);
if (htab == NULL)
return FALSE;
if (h->plt.offset != (bfd_vma) -1)
{
asection *splt;
asection *sgotplt;
asection *srelplt;
bfd_vma plt_index;
bfd_vma got_offset;
Elf_Internal_Rela rel;
bfd_byte *loc;
const struct elf_sh_plt_info *plt_info;
/* This symbol has an entry in the procedure linkage table. Set
it up. */
BFD_ASSERT (h->dynindx != -1);
splt = htab->root.splt;
sgotplt = htab->root.sgotplt;
srelplt = htab->root.srelplt;
BFD_ASSERT (splt != NULL && sgotplt != NULL && srelplt != NULL);
/* Get the index in the procedure linkage table which
corresponds to this symbol. This is the index of this symbol
in all the symbols for which we are making plt entries. The
first entry in the procedure linkage table is reserved. */
plt_index = get_plt_index (htab->plt_info, h->plt.offset);
plt_info = htab->plt_info;
if (plt_info->short_plt != NULL && plt_index <= MAX_SHORT_PLT)
plt_info = plt_info->short_plt;
/* Get the offset into the .got table of the entry that
corresponds to this function. */
if (htab->fdpic_p)
/* The offset must be relative to the GOT symbol, twelve bytes
before the end of .got.plt. Each descriptor is eight
bytes. */
got_offset = plt_index * 8 + 12 - sgotplt->size;
else
/* Each .got entry is 4 bytes. The first three are
reserved. */
got_offset = (plt_index + 3) * 4;
#ifdef GOT_BIAS
if (bfd_link_pic (info))
got_offset -= GOT_BIAS;
#endif
/* Fill in the entry in the procedure linkage table. */
memcpy (splt->contents + h->plt.offset,
plt_info->symbol_entry,
plt_info->symbol_entry_size);
if (bfd_link_pic (info) || htab->fdpic_p)
{
if (plt_info->symbol_fields.got20)
{
bfd_reloc_status_type r;
r = install_movi20_field (output_bfd, got_offset,
splt->owner, splt, splt->contents,
h->plt.offset
+ plt_info->symbol_fields.got_entry);
BFD_ASSERT (r == bfd_reloc_ok);
}
else
install_plt_field (output_bfd, FALSE, got_offset,
(splt->contents
+ h->plt.offset
+ plt_info->symbol_fields.got_entry));
}
else
{
BFD_ASSERT (!plt_info->symbol_fields.got20);
install_plt_field (output_bfd, FALSE,
(sgotplt->output_section->vma
+ sgotplt->output_offset
+ got_offset),
(splt->contents
+ h->plt.offset
+ plt_info->symbol_fields.got_entry));
if (htab->vxworks_p)
{
unsigned int reachable_plts, plts_per_4k;
int distance;
/* Divide the PLT into groups. The first group contains
REACHABLE_PLTS entries and the other groups contain
PLTS_PER_4K entries. Entries in the first group can
branch directly to .plt; those in later groups branch
to the last element of the previous group. */
/* ??? It would be better to create multiple copies of
the common resolver stub. */
reachable_plts = ((4096
- plt_info->plt0_entry_size
- (plt_info->symbol_fields.plt + 4))
/ plt_info->symbol_entry_size) + 1;
plts_per_4k = (4096 / plt_info->symbol_entry_size);
if (plt_index < reachable_plts)
distance = -(h->plt.offset
+ plt_info->symbol_fields.plt);
else
distance = -(((plt_index - reachable_plts) % plts_per_4k + 1)
* plt_info->symbol_entry_size);
/* Install the 'bra' with this offset. */
bfd_put_16 (output_bfd,
0xa000 | (0x0fff & ((distance - 4) / 2)),
(splt->contents
+ h->plt.offset
+ plt_info->symbol_fields.plt));
}
else
install_plt_field (output_bfd, TRUE,
splt->output_section->vma + splt->output_offset,
(splt->contents
+ h->plt.offset
+ plt_info->symbol_fields.plt));
}
/* Make got_offset relative to the start of .got.plt. */
#ifdef GOT_BIAS
if (bfd_link_pic (info))
got_offset += GOT_BIAS;
#endif
if (htab->fdpic_p)
got_offset = plt_index * 8;
if (plt_info->symbol_fields.reloc_offset != MINUS_ONE)
install_plt_field (output_bfd, FALSE,
plt_index * sizeof (Elf32_External_Rela),
(splt->contents
+ h->plt.offset
+ plt_info->symbol_fields.reloc_offset));
/* Fill in the entry in the global offset table. */
bfd_put_32 (output_bfd,
(splt->output_section->vma
+ splt->output_offset
+ h->plt.offset
+ plt_info->symbol_resolve_offset),
sgotplt->contents + got_offset);
if (htab->fdpic_p)
bfd_put_32 (output_bfd,
sh_elf_osec_to_segment (output_bfd, splt->output_section),
sgotplt->contents + got_offset + 4);
/* Fill in the entry in the .rela.plt section. */
rel.r_offset = (sgotplt->output_section->vma
+ sgotplt->output_offset
+ got_offset);
if (htab->fdpic_p)
rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_FUNCDESC_VALUE);
else
rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_JMP_SLOT);
rel.r_addend = 0;
#ifdef GOT_BIAS
rel.r_addend = GOT_BIAS;
#endif
loc = srelplt->contents + plt_index * sizeof (Elf32_External_Rela);
bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
if (htab->vxworks_p && !bfd_link_pic (info))
{
/* Create the .rela.plt.unloaded relocations for this PLT entry.
Begin by pointing LOC to the first such relocation. */
loc = (htab->srelplt2->contents
+ (plt_index * 2 + 1) * sizeof (Elf32_External_Rela));
/* Create a .rela.plt.unloaded R_SH_DIR32 relocation
for the PLT entry's pointer to the .got.plt entry. */
rel.r_offset = (splt->output_section->vma
+ splt->output_offset
+ h->plt.offset
+ plt_info->symbol_fields.got_entry);
rel.r_info = ELF32_R_INFO (htab->root.hgot->indx, R_SH_DIR32);
rel.r_addend = got_offset;
bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
loc += sizeof (Elf32_External_Rela);
/* Create a .rela.plt.unloaded R_SH_DIR32 relocation for
the .got.plt entry, which initially points to .plt. */
rel.r_offset = (sgotplt->output_section->vma
+ sgotplt->output_offset
+ got_offset);
rel.r_info = ELF32_R_INFO (htab->root.hplt->indx, R_SH_DIR32);
rel.r_addend = 0;
bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
}
if (!h->def_regular)
{
/* Mark the symbol as undefined, rather than as defined in
the .plt section. Leave the value alone. */
sym->st_shndx = SHN_UNDEF;
}
}
if (h->got.offset != (bfd_vma) -1
&& sh_elf_hash_entry (h)->got_type != GOT_TLS_GD
&& sh_elf_hash_entry (h)->got_type != GOT_TLS_IE
&& sh_elf_hash_entry (h)->got_type != GOT_FUNCDESC)
{
asection *sgot;
asection *srelgot;
Elf_Internal_Rela rel;
bfd_byte *loc;
/* This symbol has an entry in the global offset table. Set it
up. */
sgot = htab->root.sgot;
srelgot = htab->root.srelgot;
BFD_ASSERT (sgot != NULL && srelgot != NULL);
rel.r_offset = (sgot->output_section->vma
+ sgot->output_offset
+ (h->got.offset &~ (bfd_vma) 1));
/* If this is a static link, or it is a -Bsymbolic link and the
symbol is defined locally or was forced to be local because
of a version file, we just want to emit a RELATIVE reloc.
The entry in the global offset table will already have been
initialized in the relocate_section function. */
if (bfd_link_pic (info)
&& SYMBOL_REFERENCES_LOCAL (info, h))
{
if (htab->fdpic_p)
{
asection *sec = h->root.u.def.section;
int dynindx
= elf_section_data (sec->output_section)->dynindx;
rel.r_info = ELF32_R_INFO (dynindx, R_SH_DIR32);
rel.r_addend = (h->root.u.def.value
+ h->root.u.def.section->output_offset);
}
else
{
rel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
rel.r_addend = (h->root.u.def.value
+ h->root.u.def.section->output_section->vma
+ h->root.u.def.section->output_offset);
}
}
else
{
bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_GLOB_DAT);
rel.r_addend = 0;
}
loc = srelgot->contents;
loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
}
#ifdef INCLUDE_SHMEDIA
{
struct elf_sh_link_hash_entry *eh;
eh = (struct elf_sh_link_hash_entry *) h;
if (eh->datalabel_got.offset != (bfd_vma) -1)
{
asection *sgot;
asection *srelgot;
Elf_Internal_Rela rel;
bfd_byte *loc;
/* This symbol has a datalabel entry in the global offset table.
Set it up. */
sgot = htab->root.sgot;
srelgot = htab->root.srelgot;
BFD_ASSERT (sgot != NULL && srelgot != NULL);
rel.r_offset = (sgot->output_section->vma
+ sgot->output_offset
+ (eh->datalabel_got.offset &~ (bfd_vma) 1));
/* If this is a static link, or it is a -Bsymbolic link and the
symbol is defined locally or was forced to be local because
of a version file, we just want to emit a RELATIVE reloc.
The entry in the global offset table will already have been
initialized in the relocate_section function. */
if (bfd_link_pic (info)
&& SYMBOL_REFERENCES_LOCAL (info, h))
{
if (htab->fdpic_p)
{
asection *sec = h->root.u.def.section;
int dynindx
= elf_section_data (sec->output_section)->dynindx;
rel.r_info = ELF32_R_INFO (dynindx, R_SH_DIR32);
rel.r_addend = (h->root.u.def.value
+ h->root.u.def.section->output_offset);
}
else
{
rel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
rel.r_addend = (h->root.u.def.value
+ h->root.u.def.section->output_section->vma
+ h->root.u.def.section->output_offset);
}
}
else
{
bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents
+ eh->datalabel_got.offset);
rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_GLOB_DAT);
rel.r_addend = 0;
}
loc = srelgot->contents;
loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
}
}
#endif
if (h->needs_copy)
{
asection *s;
Elf_Internal_Rela rel;
bfd_byte *loc;
/* This symbol needs a copy reloc. Set it up. */
BFD_ASSERT (h->dynindx != -1
&& (h->root.type == bfd_link_hash_defined
|| h->root.type == bfd_link_hash_defweak));
s = bfd_get_linker_section (htab->root.dynobj, ".rela.bss");
BFD_ASSERT (s != NULL);
rel.r_offset = (h->root.u.def.value
+ h->root.u.def.section->output_section->vma
+ h->root.u.def.section->output_offset);
rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_COPY);
rel.r_addend = 0;
loc = s->contents + s->reloc_count++ * sizeof (Elf32_External_Rela);
bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
}
/* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. On VxWorks,
_GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
".got" section. */
if (h == htab->root.hdynamic
|| (!htab->vxworks_p && h == htab->root.hgot))
sym->st_shndx = SHN_ABS;
return TRUE;
}
/* Finish up the dynamic sections. */
static bfd_boolean
sh_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
{
struct elf_sh_link_hash_table *htab;
asection *sgotplt;
asection *sdyn;
htab = sh_elf_hash_table (info);
if (htab == NULL)
return FALSE;
sgotplt = htab->root.sgotplt;
sdyn = bfd_get_linker_section (htab->root.dynobj, ".dynamic");
if (htab->root.dynamic_sections_created)
{
asection *splt;
Elf32_External_Dyn *dyncon, *dynconend;
BFD_ASSERT (sgotplt != NULL && sdyn != NULL);
dyncon = (Elf32_External_Dyn *) sdyn->contents;
dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
for (; dyncon < dynconend; dyncon++)
{
Elf_Internal_Dyn dyn;
asection *s;
#ifdef INCLUDE_SHMEDIA
const char *name;
#endif
bfd_elf32_swap_dyn_in (htab->root.dynobj, dyncon, &dyn);
switch (dyn.d_tag)
{
default:
if (htab->vxworks_p
&& elf_vxworks_finish_dynamic_entry (output_bfd, &dyn))
bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
break;
#ifdef INCLUDE_SHMEDIA
case DT_INIT:
name = info->init_function;
goto get_sym;
case DT_FINI:
name = info->fini_function;
get_sym:
if (dyn.d_un.d_val != 0)
{
struct elf_link_hash_entry *h;
h = elf_link_hash_lookup (&htab->root, name,
FALSE, FALSE, TRUE);
if (h != NULL && (h->other & STO_SH5_ISA32))
{
dyn.d_un.d_val |= 1;
bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
}
}
break;
#endif
case DT_PLTGOT:
BFD_ASSERT (htab->root.hgot != NULL);
s = htab->root.hgot->root.u.def.section;
dyn.d_un.d_ptr = htab->root.hgot->root.u.def.value
+ s->output_section->vma + s->output_offset;
bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
break;
case DT_JMPREL:
s = htab->root.srelplt->output_section;
BFD_ASSERT (s != NULL);
dyn.d_un.d_ptr = s->vma;
bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
break;
case DT_PLTRELSZ:
s = htab->root.srelplt->output_section;
BFD_ASSERT (s != NULL);
dyn.d_un.d_val = s->size;
bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
break;
}
}
/* Fill in the first entry in the procedure linkage table. */
splt = htab->root.splt;
if (splt && splt->size > 0 && htab->plt_info->plt0_entry)
{
unsigned int i;
memcpy (splt->contents,
htab->plt_info->plt0_entry,
htab->plt_info->plt0_entry_size);
for (i = 0; i < ARRAY_SIZE (htab->plt_info->plt0_got_fields); i++)
if (htab->plt_info->plt0_got_fields[i] != MINUS_ONE)
install_plt_field (output_bfd, FALSE,
(sgotplt->output_section->vma
+ sgotplt->output_offset
+ (i * 4)),
(splt->contents
+ htab->plt_info->plt0_got_fields[i]));
if (htab->vxworks_p)
{
/* Finalize the .rela.plt.unloaded contents. */
Elf_Internal_Rela rel;
bfd_byte *loc;
/* Create a .rela.plt.unloaded R_SH_DIR32 relocation for the
first PLT entry's pointer to _GLOBAL_OFFSET_TABLE_ + 8. */
loc = htab->srelplt2->contents;
rel.r_offset = (splt->output_section->vma
+ splt->output_offset
+ htab->plt_info->plt0_got_fields[2]);
rel.r_info = ELF32_R_INFO (htab->root.hgot->indx, R_SH_DIR32);
rel.r_addend = 8;
bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
loc += sizeof (Elf32_External_Rela);
/* Fix up the remaining .rela.plt.unloaded relocations.
They may have the wrong symbol index for _G_O_T_ or
_P_L_T_ depending on the order in which symbols were
output. */
while (loc < htab->srelplt2->contents + htab->srelplt2->size)
{
/* The PLT entry's pointer to the .got.plt slot. */
bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
rel.r_info = ELF32_R_INFO (htab->root.hgot->indx,
R_SH_DIR32);
bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
loc += sizeof (Elf32_External_Rela);
/* The .got.plt slot's pointer to .plt. */
bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
rel.r_info = ELF32_R_INFO (htab->root.hplt->indx,
R_SH_DIR32);
bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
loc += sizeof (Elf32_External_Rela);
}
}
/* UnixWare sets the entsize of .plt to 4, although that doesn't
really seem like the right value. */
elf_section_data (splt->output_section)->this_hdr.sh_entsize = 4;
}
}
/* Fill in the first three entries in the global offset table. */
if (sgotplt && sgotplt->size > 0 && !htab->fdpic_p)
{
if (sdyn == NULL)
bfd_put_32 (output_bfd, (bfd_vma) 0, sgotplt->contents);
else
bfd_put_32 (output_bfd,
sdyn->output_section->vma + sdyn->output_offset,
sgotplt->contents);
bfd_put_32 (output_bfd, (bfd_vma) 0, sgotplt->contents + 4);
bfd_put_32 (output_bfd, (bfd_vma) 0, sgotplt->contents + 8);
}
if (sgotplt && sgotplt->size > 0)
elf_section_data (sgotplt->output_section)->this_hdr.sh_entsize = 4;
/* At the very end of the .rofixup section is a pointer to the GOT. */
if (htab->fdpic_p && htab->srofixup != NULL)
{
struct elf_link_hash_entry *hgot = htab->root.hgot;
bfd_vma got_value = hgot->root.u.def.value
+ hgot->root.u.def.section->output_section->vma
+ hgot->root.u.def.section->output_offset;
sh_elf_add_rofixup (output_bfd, htab->srofixup, got_value);
/* Make sure we allocated and generated the same number of fixups. */
BFD_ASSERT (htab->srofixup->reloc_count * 4 == htab->srofixup->size);
}
if (htab->srelfuncdesc)
BFD_ASSERT (htab->srelfuncdesc->reloc_count * sizeof (Elf32_External_Rela)
== htab->srelfuncdesc->size);
if (htab->root.srelgot)
BFD_ASSERT (htab->root.srelgot->reloc_count * sizeof (Elf32_External_Rela)
== htab->root.srelgot->size);
return TRUE;
}
static enum elf_reloc_type_class
sh_elf_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED,
const asection *rel_sec ATTRIBUTE_UNUSED,
const Elf_Internal_Rela *rela)
{
switch ((int) ELF32_R_TYPE (rela->r_info))
{
case R_SH_RELATIVE:
return reloc_class_relative;
case R_SH_JMP_SLOT:
return reloc_class_plt;
case R_SH_COPY:
return reloc_class_copy;
default:
return reloc_class_normal;
}
}
#if !defined SH_TARGET_ALREADY_DEFINED
/* Support for Linux core dump NOTE sections. */
static bfd_boolean
elf32_shlin_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
{
int offset;
unsigned int size;
switch (note->descsz)
{
default:
return FALSE;
case 168: /* Linux/SH */
/* pr_cursig */
elf_tdata (abfd)->core->signal = bfd_get_16 (abfd, note->descdata + 12);
/* pr_pid */
elf_tdata (abfd)->core->lwpid = bfd_get_32 (abfd, note->descdata + 24);
/* pr_reg */
offset = 72;
size = 92;
break;
}
/* Make a ".reg/999" section. */
return _bfd_elfcore_make_pseudosection (abfd, ".reg",
size, note->descpos + offset);
}
static bfd_boolean
elf32_shlin_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
{
switch (note->descsz)
{
default:
return FALSE;
case 124: /* Linux/SH elf_prpsinfo */
elf_tdata (abfd)->core->program
= _bfd_elfcore_strndup (abfd, note->descdata + 28, 16);
elf_tdata (abfd)->core->command
= _bfd_elfcore_strndup (abfd, note->descdata + 44, 80);
}
/* Note that for some reason, a spurious space is tacked
onto the end of the args in some (at least one anyway)
implementations, so strip it off if it exists. */
{
char *command = elf_tdata (abfd)->core->command;
int n = strlen (command);
if (0 < n && command[n - 1] == ' ')
command[n - 1] = '\0';
}
return TRUE;
}
#endif /* not SH_TARGET_ALREADY_DEFINED */
/* Return address for Ith PLT stub in section PLT, for relocation REL
or (bfd_vma) -1 if it should not be included. */
static bfd_vma
sh_elf_plt_sym_val (bfd_vma i, const asection *plt,
const arelent *rel ATTRIBUTE_UNUSED)
{
const struct elf_sh_plt_info *plt_info;
plt_info = get_plt_info (plt->owner, (plt->owner->flags & DYNAMIC) != 0);
return plt->vma + get_plt_offset (plt_info, i);
}
/* Decide whether to attempt to turn absptr or lsda encodings in
shared libraries into pcrel within the given input section. */
static bfd_boolean
sh_elf_use_relative_eh_frame (bfd *input_bfd ATTRIBUTE_UNUSED,
struct bfd_link_info *info,
asection *eh_frame_section ATTRIBUTE_UNUSED)
{
struct elf_sh_link_hash_table *htab = sh_elf_hash_table (info);
/* We can't use PC-relative encodings in FDPIC binaries, in general. */
if (htab->fdpic_p)
return FALSE;
return TRUE;
}
/* Adjust the contents of an eh_frame_hdr section before they're output. */
static bfd_byte
sh_elf_encode_eh_address (bfd *abfd,
struct bfd_link_info *info,
asection *osec, bfd_vma offset,
asection *loc_sec, bfd_vma loc_offset,
bfd_vma *encoded)
{
struct elf_sh_link_hash_table *htab = sh_elf_hash_table (info);
struct elf_link_hash_entry *h;
if (!htab->fdpic_p)
return _bfd_elf_encode_eh_address (abfd, info, osec, offset, loc_sec,
loc_offset, encoded);
h = htab->root.hgot;
BFD_ASSERT (h && h->root.type == bfd_link_hash_defined);
if (! h || (sh_elf_osec_to_segment (abfd, osec)
== sh_elf_osec_to_segment (abfd, loc_sec->output_section)))
return _bfd_elf_encode_eh_address (abfd, info, osec, offset,
loc_sec, loc_offset, encoded);
BFD_ASSERT (sh_elf_osec_to_segment (abfd, osec)
== (sh_elf_osec_to_segment
(abfd, h->root.u.def.section->output_section)));
*encoded = osec->vma + offset
- (h->root.u.def.value
+ h->root.u.def.section->output_section->vma
+ h->root.u.def.section->output_offset);
return DW_EH_PE_datarel | DW_EH_PE_sdata4;
}
#if !defined SH_TARGET_ALREADY_DEFINED
#define TARGET_BIG_SYM sh_elf32_vec
#define TARGET_BIG_NAME "elf32-sh"
#define TARGET_LITTLE_SYM sh_elf32_le_vec
#define TARGET_LITTLE_NAME "elf32-shl"
#endif
#define ELF_ARCH bfd_arch_sh
#define ELF_TARGET_ID SH_ELF_DATA
#define ELF_MACHINE_CODE EM_SH
#ifdef __QNXTARGET__
#define ELF_MAXPAGESIZE 0x1000
#else
#define ELF_MAXPAGESIZE 0x80
#endif
#define elf_symbol_leading_char '_'
#define bfd_elf32_bfd_reloc_type_lookup sh_elf_reloc_type_lookup
#define bfd_elf32_bfd_reloc_name_lookup \
sh_elf_reloc_name_lookup
#define elf_info_to_howto sh_elf_info_to_howto
#define bfd_elf32_bfd_relax_section sh_elf_relax_section
#define elf_backend_relocate_section sh_elf_relocate_section
#define bfd_elf32_bfd_get_relocated_section_contents \
sh_elf_get_relocated_section_contents
#define bfd_elf32_mkobject sh_elf_mkobject
#define elf_backend_object_p sh_elf_object_p
#define bfd_elf32_bfd_copy_private_bfd_data \
sh_elf_copy_private_data
#define bfd_elf32_bfd_merge_private_bfd_data \
sh_elf_merge_private_data
#define elf_backend_gc_mark_hook sh_elf_gc_mark_hook
#define elf_backend_check_relocs sh_elf_check_relocs
#define elf_backend_copy_indirect_symbol \
sh_elf_copy_indirect_symbol
#define elf_backend_create_dynamic_sections \
sh_elf_create_dynamic_sections
#define bfd_elf32_bfd_link_hash_table_create \
sh_elf_link_hash_table_create
#define elf_backend_adjust_dynamic_symbol \
sh_elf_adjust_dynamic_symbol
#define elf_backend_always_size_sections \
sh_elf_always_size_sections
#define elf_backend_size_dynamic_sections \
sh_elf_size_dynamic_sections
#define elf_backend_omit_section_dynsym sh_elf_omit_section_dynsym
#define elf_backend_finish_dynamic_symbol \
sh_elf_finish_dynamic_symbol
#define elf_backend_finish_dynamic_sections \
sh_elf_finish_dynamic_sections
#define elf_backend_reloc_type_class sh_elf_reloc_type_class
#define elf_backend_plt_sym_val sh_elf_plt_sym_val
#define elf_backend_can_make_relative_eh_frame \
sh_elf_use_relative_eh_frame
#define elf_backend_can_make_lsda_relative_eh_frame \
sh_elf_use_relative_eh_frame
#define elf_backend_encode_eh_address \
sh_elf_encode_eh_address
#define elf_backend_stack_align 8
#define elf_backend_can_gc_sections 1
#define elf_backend_can_refcount 1
#define elf_backend_want_got_plt 1
#define elf_backend_plt_readonly 1
#define elf_backend_want_plt_sym 0
#define elf_backend_got_header_size 12
#define elf_backend_dtrel_excludes_plt 1
#define elf_backend_linux_prpsinfo32_ugid16 TRUE
#if !defined INCLUDE_SHMEDIA && !defined SH_TARGET_ALREADY_DEFINED
#include "elf32-target.h"
/* NetBSD support. */
#undef TARGET_BIG_SYM
#define TARGET_BIG_SYM sh_elf32_nbsd_vec
#undef TARGET_BIG_NAME
#define TARGET_BIG_NAME "elf32-sh-nbsd"
#undef TARGET_LITTLE_SYM
#define TARGET_LITTLE_SYM sh_elf32_nbsd_le_vec
#undef TARGET_LITTLE_NAME
#define TARGET_LITTLE_NAME "elf32-shl-nbsd"
#undef ELF_MAXPAGESIZE
#define ELF_MAXPAGESIZE 0x10000
#undef ELF_COMMONPAGESIZE
#undef elf_symbol_leading_char
#define elf_symbol_leading_char 0
#undef elf32_bed
#define elf32_bed elf32_sh_nbsd_bed
#include "elf32-target.h"
/* Linux support. */
#undef TARGET_BIG_SYM
#define TARGET_BIG_SYM sh_elf32_linux_be_vec
#undef TARGET_BIG_NAME
#define TARGET_BIG_NAME "elf32-shbig-linux"
#undef TARGET_LITTLE_SYM
#define TARGET_LITTLE_SYM sh_elf32_linux_vec
#undef TARGET_LITTLE_NAME
#define TARGET_LITTLE_NAME "elf32-sh-linux"
#undef ELF_COMMONPAGESIZE
#define ELF_COMMONPAGESIZE 0x1000
#undef elf_backend_grok_prstatus
#define elf_backend_grok_prstatus elf32_shlin_grok_prstatus
#undef elf_backend_grok_psinfo
#define elf_backend_grok_psinfo elf32_shlin_grok_psinfo
#undef elf32_bed
#define elf32_bed elf32_sh_lin_bed
#include "elf32-target.h"
/* FDPIC support. */
#undef TARGET_BIG_SYM
#define TARGET_BIG_SYM sh_elf32_fdpic_be_vec
#undef TARGET_BIG_NAME
#define TARGET_BIG_NAME "elf32-shbig-fdpic"
#undef TARGET_LITTLE_SYM
#define TARGET_LITTLE_SYM sh_elf32_fdpic_le_vec
#undef TARGET_LITTLE_NAME
#define TARGET_LITTLE_NAME "elf32-sh-fdpic"
#undef elf32_bed
#define elf32_bed elf32_sh_fd_bed
#include "elf32-target.h"
#undef elf_backend_modify_program_headers
/* VxWorks support. */
#undef TARGET_BIG_SYM
#define TARGET_BIG_SYM sh_elf32_vxworks_vec
#undef TARGET_BIG_NAME
#define TARGET_BIG_NAME "elf32-sh-vxworks"
#undef TARGET_LITTLE_SYM
#define TARGET_LITTLE_SYM sh_elf32_vxworks_le_vec
#undef TARGET_LITTLE_NAME
#define TARGET_LITTLE_NAME "elf32-shl-vxworks"
#undef elf32_bed
#define elf32_bed elf32_sh_vxworks_bed
#undef elf_backend_want_plt_sym
#define elf_backend_want_plt_sym 1
#undef elf_symbol_leading_char
#define elf_symbol_leading_char '_'
#define elf_backend_want_got_underscore 1
#undef elf_backend_grok_prstatus
#undef elf_backend_grok_psinfo
#undef elf_backend_add_symbol_hook
#define elf_backend_add_symbol_hook elf_vxworks_add_symbol_hook
#undef elf_backend_link_output_symbol_hook
#define elf_backend_link_output_symbol_hook \
elf_vxworks_link_output_symbol_hook
#undef elf_backend_emit_relocs
#define elf_backend_emit_relocs elf_vxworks_emit_relocs
#undef elf_backend_final_write_processing
#define elf_backend_final_write_processing \
elf_vxworks_final_write_processing
#undef ELF_MAXPAGESIZE
#define ELF_MAXPAGESIZE 0x1000
#undef ELF_COMMONPAGESIZE
#include "elf32-target.h"
#endif /* neither INCLUDE_SHMEDIA nor SH_TARGET_ALREADY_DEFINED */
|