summaryrefslogtreecommitdiff
path: root/bfd/cofflink.c
blob: c17701c16e8927122a3c1e7f55aaf42d5489cd59 (plain)
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
/* COFF specific linker code.
   Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
   2004, 2005, 2006 Free Software Foundation, Inc.
   Written 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 2 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */

/* This file contains the COFF backend linker code.  */

#include "bfd.h"
#include "sysdep.h"
#include "bfdlink.h"
#include "libbfd.h"
#include "coff/internal.h"
#include "libcoff.h"
#include "safe-ctype.h"

static bfd_boolean coff_link_add_object_symbols (bfd *abfd, struct bfd_link_info *info);
static bfd_boolean coff_link_check_archive_element (bfd *abfd, struct bfd_link_info *info, bfd_boolean *pneeded);
static bfd_boolean coff_link_add_symbols (bfd *abfd, struct bfd_link_info *info);

/* Return TRUE if SYM is a weak, external symbol.  */
#define IS_WEAK_EXTERNAL(abfd, sym)			\
  ((sym).n_sclass == C_WEAKEXT				\
   || (obj_pe (abfd) && (sym).n_sclass == C_NT_WEAK))

/* Return TRUE if SYM is an external symbol.  */
#define IS_EXTERNAL(abfd, sym)				\
  ((sym).n_sclass == C_EXT || IS_WEAK_EXTERNAL (abfd, sym))

/* Define macros so that the ISFCN, et. al., macros work correctly.
   These macros are defined in include/coff/internal.h in terms of
   N_TMASK, etc.  These definitions require a user to define local
   variables with the appropriate names, and with values from the
   coff_data (abfd) structure.  */

#define N_TMASK n_tmask
#define N_BTSHFT n_btshft
#define N_BTMASK n_btmask

/* Create an entry in a COFF linker hash table.  */

struct bfd_hash_entry *
_bfd_coff_link_hash_newfunc (struct bfd_hash_entry *entry,
			     struct bfd_hash_table *table,
			     const char *string)
{
  struct coff_link_hash_entry *ret = (struct coff_link_hash_entry *) entry;

  /* Allocate the structure if it has not already been allocated by a
     subclass.  */
  if (ret == (struct coff_link_hash_entry *) NULL)
    ret = ((struct coff_link_hash_entry *)
	   bfd_hash_allocate (table, sizeof (struct coff_link_hash_entry)));
  if (ret == (struct coff_link_hash_entry *) NULL)
    return (struct bfd_hash_entry *) ret;

  /* Call the allocation method of the superclass.  */
  ret = ((struct coff_link_hash_entry *)
	 _bfd_link_hash_newfunc ((struct bfd_hash_entry *) ret,
				 table, string));
  if (ret != (struct coff_link_hash_entry *) NULL)
    {
      /* Set local fields.  */
      ret->indx = -1;
      ret->type = T_NULL;
      ret->class = C_NULL;
      ret->numaux = 0;
      ret->auxbfd = NULL;
      ret->aux = NULL;
    }

  return (struct bfd_hash_entry *) ret;
}

/* Initialize a COFF linker hash table.  */

bfd_boolean
_bfd_coff_link_hash_table_init (struct coff_link_hash_table *table,
				bfd *abfd,
				struct bfd_hash_entry *(*newfunc) (struct bfd_hash_entry *,
								   struct bfd_hash_table *,
								   const char *),
				unsigned int entsize)
{
  memset (&table->stab_info, 0, sizeof (table->stab_info));
  return _bfd_link_hash_table_init (&table->root, abfd, newfunc, entsize);
}

/* Create a COFF linker hash table.  */

struct bfd_link_hash_table *
_bfd_coff_link_hash_table_create (bfd *abfd)
{
  struct coff_link_hash_table *ret;
  bfd_size_type amt = sizeof (struct coff_link_hash_table);

  ret = bfd_malloc (amt);
  if (ret == NULL)
    return NULL;

  if (! _bfd_coff_link_hash_table_init (ret, abfd,
					_bfd_coff_link_hash_newfunc,
					sizeof (struct coff_link_hash_entry)))
    {
      free (ret);
      return (struct bfd_link_hash_table *) NULL;
    }
  return &ret->root;
}

/* Create an entry in a COFF debug merge hash table.  */

struct bfd_hash_entry *
_bfd_coff_debug_merge_hash_newfunc (struct bfd_hash_entry *entry,
				    struct bfd_hash_table *table,
				    const char *string)
{
  struct coff_debug_merge_hash_entry *ret =
    (struct coff_debug_merge_hash_entry *) entry;

  /* Allocate the structure if it has not already been allocated by a
     subclass.  */
  if (ret == (struct coff_debug_merge_hash_entry *) NULL)
    ret = ((struct coff_debug_merge_hash_entry *)
	   bfd_hash_allocate (table,
			      sizeof (struct coff_debug_merge_hash_entry)));
  if (ret == (struct coff_debug_merge_hash_entry *) NULL)
    return (struct bfd_hash_entry *) ret;

  /* Call the allocation method of the superclass.  */
  ret = ((struct coff_debug_merge_hash_entry *)
	 bfd_hash_newfunc ((struct bfd_hash_entry *) ret, table, string));
  if (ret != (struct coff_debug_merge_hash_entry *) NULL)
    {
      /* Set local fields.  */
      ret->types = NULL;
    }

  return (struct bfd_hash_entry *) ret;
}

/* Given a COFF BFD, add symbols to the global hash table as
   appropriate.  */

bfd_boolean
_bfd_coff_link_add_symbols (bfd *abfd, struct bfd_link_info *info)
{
  switch (bfd_get_format (abfd))
    {
    case bfd_object:
      return coff_link_add_object_symbols (abfd, info);
    case bfd_archive:
      return _bfd_generic_link_add_archive_symbols
	(abfd, info, coff_link_check_archive_element);
    default:
      bfd_set_error (bfd_error_wrong_format);
      return FALSE;
    }
}

/* Add symbols from a COFF object file.  */

static bfd_boolean
coff_link_add_object_symbols (bfd *abfd, struct bfd_link_info *info)
{
  if (! _bfd_coff_get_external_symbols (abfd))
    return FALSE;
  if (! coff_link_add_symbols (abfd, info))
    return FALSE;

  if (! info->keep_memory
      && ! _bfd_coff_free_symbols (abfd))
    return FALSE;

  return TRUE;
}

/* Look through the symbols to see if this object file should be
   included in the link.  */

static bfd_boolean
coff_link_check_ar_symbols (bfd *abfd,
			    struct bfd_link_info *info,
			    bfd_boolean *pneeded)
{
  bfd_size_type symesz;
  bfd_byte *esym;
  bfd_byte *esym_end;

  *pneeded = FALSE;

  symesz = bfd_coff_symesz (abfd);
  esym = (bfd_byte *) obj_coff_external_syms (abfd);
  esym_end = esym + obj_raw_syment_count (abfd) * symesz;
  while (esym < esym_end)
    {
      struct internal_syment sym;
      enum coff_symbol_classification classification;

      bfd_coff_swap_sym_in (abfd, esym, &sym);

      classification = bfd_coff_classify_symbol (abfd, &sym);
      if (classification == COFF_SYMBOL_GLOBAL
	  || classification == COFF_SYMBOL_COMMON)
	{
	  const char *name;
	  char buf[SYMNMLEN + 1];
	  struct bfd_link_hash_entry *h;

	  /* This symbol is externally visible, and is defined by this
             object file.  */
	  name = _bfd_coff_internal_syment_name (abfd, &sym, buf);
	  if (name == NULL)
	    return FALSE;
	  h = bfd_link_hash_lookup (info->hash, name, FALSE, FALSE, TRUE);

	  /* Auto import.  */
	  if (!h
	      && info->pei386_auto_import
	      && !strncmp (name,"__imp_", 6))
	    h = bfd_link_hash_lookup (info->hash, name + 6, FALSE, FALSE, TRUE);

	  /* We are only interested in symbols that are currently
	     undefined.  If a symbol is currently known to be common,
	     COFF linkers do not bring in an object file which defines
	     it.  */
	  if (h != (struct bfd_link_hash_entry *) NULL
	      && h->type == bfd_link_hash_undefined)
	    {
	      if (! (*info->callbacks->add_archive_element) (info, abfd, name))
		return FALSE;
	      *pneeded = TRUE;
	      return TRUE;
	    }
	}

      esym += (sym.n_numaux + 1) * symesz;
    }

  /* We do not need this object file.  */
  return TRUE;
}

/* Check a single archive element to see if we need to include it in
   the link.  *PNEEDED is set according to whether this element is
   needed in the link or not.  This is called via
   _bfd_generic_link_add_archive_symbols.  */

static bfd_boolean
coff_link_check_archive_element (bfd *abfd,
				 struct bfd_link_info *info,
				 bfd_boolean *pneeded)
{
  if (! _bfd_coff_get_external_symbols (abfd))
    return FALSE;

  if (! coff_link_check_ar_symbols (abfd, info, pneeded))
    return FALSE;

  if (*pneeded
      && ! coff_link_add_symbols (abfd, info))
    return FALSE;

  if ((! info->keep_memory || ! *pneeded)
      && ! _bfd_coff_free_symbols (abfd))
    return FALSE;

  return TRUE;
}

/* Add all the symbols from an object file to the hash table.  */

static bfd_boolean
coff_link_add_symbols (bfd *abfd,
		       struct bfd_link_info *info)
{
  unsigned int n_tmask = coff_data (abfd)->local_n_tmask;
  unsigned int n_btshft = coff_data (abfd)->local_n_btshft;
  unsigned int n_btmask = coff_data (abfd)->local_n_btmask;
  bfd_boolean keep_syms;
  bfd_boolean default_copy;
  bfd_size_type symcount;
  struct coff_link_hash_entry **sym_hash;
  bfd_size_type symesz;
  bfd_byte *esym;
  bfd_byte *esym_end;
  bfd_size_type amt;

  /* Keep the symbols during this function, in case the linker needs
     to read the generic symbols in order to report an error message.  */
  keep_syms = obj_coff_keep_syms (abfd);
  obj_coff_keep_syms (abfd) = TRUE;

  if (info->keep_memory)
    default_copy = FALSE;
  else
    default_copy = TRUE;

  symcount = obj_raw_syment_count (abfd);

  /* We keep a list of the linker hash table entries that correspond
     to particular symbols.  */
  amt = symcount * sizeof (struct coff_link_hash_entry *);
  sym_hash = bfd_zalloc (abfd, amt);
  if (sym_hash == NULL && symcount != 0)
    goto error_return;
  obj_coff_sym_hashes (abfd) = sym_hash;

  symesz = bfd_coff_symesz (abfd);
  BFD_ASSERT (symesz == bfd_coff_auxesz (abfd));
  esym = (bfd_byte *) obj_coff_external_syms (abfd);
  esym_end = esym + symcount * symesz;
  while (esym < esym_end)
    {
      struct internal_syment sym;
      enum coff_symbol_classification classification;
      bfd_boolean copy;

      bfd_coff_swap_sym_in (abfd, esym, &sym);

      classification = bfd_coff_classify_symbol (abfd, &sym);
      if (classification != COFF_SYMBOL_LOCAL)
	{
	  const char *name;
	  char buf[SYMNMLEN + 1];
	  flagword flags;
	  asection *section;
	  bfd_vma value;
	  bfd_boolean addit;

	  /* This symbol is externally visible.  */

	  name = _bfd_coff_internal_syment_name (abfd, &sym, buf);
	  if (name == NULL)
	    goto error_return;

	  /* We must copy the name into memory if we got it from the
             syment itself, rather than the string table.  */
	  copy = default_copy;
	  if (sym._n._n_n._n_zeroes != 0
	      || sym._n._n_n._n_offset == 0)
	    copy = TRUE;

	  value = sym.n_value;

	  switch (classification)
	    {
	    default:
	      abort ();

	    case COFF_SYMBOL_GLOBAL:
	      flags = BSF_EXPORT | BSF_GLOBAL;
	      section = coff_section_from_bfd_index (abfd, sym.n_scnum);
	      if (! obj_pe (abfd))
		value -= section->vma;
	      break;

	    case COFF_SYMBOL_UNDEFINED:
	      flags = 0;
	      section = bfd_und_section_ptr;
	      break;

	    case COFF_SYMBOL_COMMON:
	      flags = BSF_GLOBAL;
	      section = bfd_com_section_ptr;
	      break;

	    case COFF_SYMBOL_PE_SECTION:
	      flags = BSF_SECTION_SYM | BSF_GLOBAL;
	      section = coff_section_from_bfd_index (abfd, sym.n_scnum);
	      break;
	    }

	  if (IS_WEAK_EXTERNAL (abfd, sym))
	    flags = BSF_WEAK;

	  addit = TRUE;

	  /* In the PE format, section symbols actually refer to the
             start of the output section.  We handle them specially
             here.  */
	  if (obj_pe (abfd) && (flags & BSF_SECTION_SYM) != 0)
	    {
	      *sym_hash = coff_link_hash_lookup (coff_hash_table (info),
						 name, FALSE, copy, FALSE);
	      if (*sym_hash != NULL)
		{
		  if (((*sym_hash)->coff_link_hash_flags
		       & COFF_LINK_HASH_PE_SECTION_SYMBOL) == 0
		      && (*sym_hash)->root.type != bfd_link_hash_undefined
		      && (*sym_hash)->root.type != bfd_link_hash_undefweak)
		    (*_bfd_error_handler)
		      ("Warning: symbol `%s' is both section and non-section",
		       name);

		  addit = FALSE;
		}
	    }

	  /* The Microsoft Visual C compiler does string pooling by
	     hashing the constants to an internal symbol name, and
	     relying on the linker comdat support to discard
	     duplicate names.  However, if one string is a literal and
	     one is a data initializer, one will end up in the .data
	     section and one will end up in the .rdata section.  The
	     Microsoft linker will combine them into the .data
	     section, which seems to be wrong since it might cause the
	     literal to change.

	     As long as there are no external references to the
	     symbols, which there shouldn't be, we can treat the .data
	     and .rdata instances as separate symbols.  The comdat
	     code in the linker will do the appropriate merging.  Here
	     we avoid getting a multiple definition error for one of
	     these special symbols.

	     FIXME: I don't think this will work in the case where
	     there are two object files which use the constants as a
	     literal and two object files which use it as a data
	     initializer.  One or the other of the second object files
	     is going to wind up with an inappropriate reference.  */
	  if (obj_pe (abfd)
	      && (classification == COFF_SYMBOL_GLOBAL
		  || classification == COFF_SYMBOL_PE_SECTION)
	      && coff_section_data (abfd, section) != NULL
	      && coff_section_data (abfd, section)->comdat != NULL
	      && strncmp (name, "??_", 3) == 0
	      && strcmp (name, coff_section_data (abfd, section)->comdat->name) == 0)
	    {
	      if (*sym_hash == NULL)
		*sym_hash = coff_link_hash_lookup (coff_hash_table (info),
						   name, FALSE, copy, FALSE);
	      if (*sym_hash != NULL
		  && (*sym_hash)->root.type == bfd_link_hash_defined
		  && coff_section_data (abfd, (*sym_hash)->root.u.def.section)->comdat != NULL
		  && strcmp (coff_section_data (abfd, (*sym_hash)->root.u.def.section)->comdat->name,
			     coff_section_data (abfd, section)->comdat->name) == 0)
		addit = FALSE;
	    }

	  if (addit)
	    {
	      if (! (bfd_coff_link_add_one_symbol
		     (info, abfd, name, flags, section, value,
		      (const char *) NULL, copy, FALSE,
		      (struct bfd_link_hash_entry **) sym_hash)))
		goto error_return;
	    }

	  if (obj_pe (abfd) && (flags & BSF_SECTION_SYM) != 0)
	    (*sym_hash)->coff_link_hash_flags |=
	      COFF_LINK_HASH_PE_SECTION_SYMBOL;

	  /* Limit the alignment of a common symbol to the possible
             alignment of a section.  There is no point to permitting
             a higher alignment for a common symbol: we can not
             guarantee it, and it may cause us to allocate extra space
             in the common section.  */
	  if (section == bfd_com_section_ptr
	      && (*sym_hash)->root.type == bfd_link_hash_common
	      && ((*sym_hash)->root.u.c.p->alignment_power
		  > bfd_coff_default_section_alignment_power (abfd)))
	    (*sym_hash)->root.u.c.p->alignment_power
	      = bfd_coff_default_section_alignment_power (abfd);

	  if (info->hash->creator->flavour == bfd_get_flavour (abfd))
	    {
	      /* If we don't have any symbol information currently in
                 the hash table, or if we are looking at a symbol
                 definition, then update the symbol class and type in
                 the hash table.  */
  	      if (((*sym_hash)->class == C_NULL
  		   && (*sym_hash)->type == T_NULL)
  		  || sym.n_scnum != 0
  		  || (sym.n_value != 0
  		      && (*sym_hash)->root.type != bfd_link_hash_defined
  		      && (*sym_hash)->root.type != bfd_link_hash_defweak))
  		{
  		  (*sym_hash)->class = sym.n_sclass;
  		  if (sym.n_type != T_NULL)
  		    {
  		      /* We want to warn if the type changed, but not
  			 if it changed from an unspecified type.
  			 Testing the whole type byte may work, but the
  			 change from (e.g.) a function of unspecified
  			 type to function of known type also wants to
  			 skip the warning.  */
  		      if ((*sym_hash)->type != T_NULL
  			  && (*sym_hash)->type != sym.n_type
  		          && !(DTYPE ((*sym_hash)->type) == DTYPE (sym.n_type)
  		               && (BTYPE ((*sym_hash)->type) == T_NULL
  		                   || BTYPE (sym.n_type) == T_NULL)))
  			(*_bfd_error_handler)
  			  (_("Warning: type of symbol `%s' changed from %d to %d in %B"),
  			   abfd, name, (*sym_hash)->type, sym.n_type);

  		      /* We don't want to change from a meaningful
  			 base type to a null one, but if we know
  			 nothing, take what little we might now know.  */
  		      if (BTYPE (sym.n_type) != T_NULL
  			  || (*sym_hash)->type == T_NULL)
			(*sym_hash)->type = sym.n_type;
  		    }
  		  (*sym_hash)->auxbfd = abfd;
		  if (sym.n_numaux != 0)
		    {
		      union internal_auxent *alloc;
		      unsigned int i;
		      bfd_byte *eaux;
		      union internal_auxent *iaux;

		      (*sym_hash)->numaux = sym.n_numaux;
		      alloc = ((union internal_auxent *)
			       bfd_hash_allocate (&info->hash->table,
						  (sym.n_numaux
						   * sizeof (*alloc))));
		      if (alloc == NULL)
			goto error_return;
		      for (i = 0, eaux = esym + symesz, iaux = alloc;
			   i < sym.n_numaux;
			   i++, eaux += symesz, iaux++)
			bfd_coff_swap_aux_in (abfd, eaux, sym.n_type,
					      sym.n_sclass, (int) i,
					      sym.n_numaux, iaux);
		      (*sym_hash)->aux = alloc;
		    }
		}
	    }

	  if (classification == COFF_SYMBOL_PE_SECTION
	      && (*sym_hash)->numaux != 0)
	    {
	      /* Some PE sections (such as .bss) have a zero size in
                 the section header, but a non-zero size in the AUX
                 record.  Correct that here.

		 FIXME: This is not at all the right place to do this.
		 For example, it won't help objdump.  This needs to be
		 done when we swap in the section header.  */
	      BFD_ASSERT ((*sym_hash)->numaux == 1);
	      if (section->size == 0)
		section->size = (*sym_hash)->aux[0].x_scn.x_scnlen;

	      /* FIXME: We could test whether the section sizes
                 matches the size in the aux entry, but apparently
                 that sometimes fails unexpectedly.  */
	    }
	}

      esym += (sym.n_numaux + 1) * symesz;
      sym_hash += sym.n_numaux + 1;
    }

  /* If this is a non-traditional, non-relocatable link, try to
     optimize the handling of any .stab/.stabstr sections.  */
  if (! info->relocatable
      && ! info->traditional_format
      && info->hash->creator->flavour == bfd_get_flavour (abfd)
      && (info->strip != strip_all && info->strip != strip_debugger))
    {
      asection *stabstr;

      stabstr = bfd_get_section_by_name (abfd, ".stabstr");

      if (stabstr != NULL)
	{
	  bfd_size_type string_offset = 0;
	  asection *stab;
	  
	  for (stab = abfd->sections; stab; stab = stab->next)
	    if (strncmp (".stab", stab->name, 5) == 0
		&& (!stab->name[5]
		    || (stab->name[5] == '.' && ISDIGIT (stab->name[6]))))
	    {
	      struct coff_link_hash_table *table;
	      struct coff_section_tdata *secdata
		= coff_section_data (abfd, stab);
	      
	      if (secdata == NULL)
		{
		  amt = sizeof (struct coff_section_tdata);
		  stab->used_by_bfd = bfd_zalloc (abfd, amt);
		  if (stab->used_by_bfd == NULL)
		    goto error_return;
		  secdata = coff_section_data (abfd, stab);
		}

	      table = coff_hash_table (info);

	      if (! _bfd_link_section_stabs (abfd, &table->stab_info,
					     stab, stabstr,
					     &secdata->stab_info,
					     &string_offset))
		goto error_return;
	    }
	}
    }

  obj_coff_keep_syms (abfd) = keep_syms;

  return TRUE;

 error_return:
  obj_coff_keep_syms (abfd) = keep_syms;
  return FALSE;
}

/* Do the final link step.  */

bfd_boolean
_bfd_coff_final_link (bfd *abfd,
		      struct bfd_link_info *info)
{
  bfd_size_type symesz;
  struct coff_final_link_info finfo;
  bfd_boolean debug_merge_allocated;
  bfd_boolean long_section_names;
  asection *o;
  struct bfd_link_order *p;
  bfd_size_type max_sym_count;
  bfd_size_type max_lineno_count;
  bfd_size_type max_reloc_count;
  bfd_size_type max_output_reloc_count;
  bfd_size_type max_contents_size;
  file_ptr rel_filepos;
  unsigned int relsz;
  file_ptr line_filepos;
  unsigned int linesz;
  bfd *sub;
  bfd_byte *external_relocs = NULL;
  char strbuf[STRING_SIZE_SIZE];
  bfd_size_type amt;

  symesz = bfd_coff_symesz (abfd);

  finfo.info = info;
  finfo.output_bfd = abfd;
  finfo.strtab = NULL;
  finfo.section_info = NULL;
  finfo.last_file_index = -1;
  finfo.last_bf_index = -1;
  finfo.internal_syms = NULL;
  finfo.sec_ptrs = NULL;
  finfo.sym_indices = NULL;
  finfo.outsyms = NULL;
  finfo.linenos = NULL;
  finfo.contents = NULL;
  finfo.external_relocs = NULL;
  finfo.internal_relocs = NULL;
  finfo.global_to_static = FALSE;
  debug_merge_allocated = FALSE;

  coff_data (abfd)->link_info = info;

  finfo.strtab = _bfd_stringtab_init ();
  if (finfo.strtab == NULL)
    goto error_return;

  if (! coff_debug_merge_hash_table_init (&finfo.debug_merge))
    goto error_return;
  debug_merge_allocated = TRUE;

  /* Compute the file positions for all the sections.  */
  if (! abfd->output_has_begun)
    {
      if (! bfd_coff_compute_section_file_positions (abfd))
	goto error_return;
    }

  /* Count the line numbers and relocation entries required for the
     output file.  Set the file positions for the relocs.  */
  rel_filepos = obj_relocbase (abfd);
  relsz = bfd_coff_relsz (abfd);
  max_contents_size = 0;
  max_lineno_count = 0;
  max_reloc_count = 0;

  long_section_names = FALSE;
  for (o = abfd->sections; o != NULL; o = o->next)
    {
      o->reloc_count = 0;
      o->lineno_count = 0;
      for (p = o->map_head.link_order; p != NULL; p = p->next)
	{
	  if (p->type == bfd_indirect_link_order)
	    {
	      asection *sec;

	      sec = p->u.indirect.section;

	      /* Mark all sections which are to be included in the
		 link.  This will normally be every section.  We need
		 to do this so that we can identify any sections which
		 the linker has decided to not include.  */
	      sec->linker_mark = TRUE;

	      if (info->strip == strip_none
		  || info->strip == strip_some)
		o->lineno_count += sec->lineno_count;

	      if (info->relocatable)
		o->reloc_count += sec->reloc_count;

	      if (sec->rawsize > max_contents_size)
		max_contents_size = sec->rawsize;
	      if (sec->size > max_contents_size)
		max_contents_size = sec->size;
	      if (sec->lineno_count > max_lineno_count)
		max_lineno_count = sec->lineno_count;
	      if (sec->reloc_count > max_reloc_count)
		max_reloc_count = sec->reloc_count;
	    }
	  else if (info->relocatable
		   && (p->type == bfd_section_reloc_link_order
		       || p->type == bfd_symbol_reloc_link_order))
	    ++o->reloc_count;
	}
      if (o->reloc_count == 0)
	o->rel_filepos = 0;
      else
	{
	  o->flags |= SEC_RELOC;
	  o->rel_filepos = rel_filepos;
	  rel_filepos += o->reloc_count * relsz;
	  /* In PE COFF, if there are at least 0xffff relocations an
	     extra relocation will be written out to encode the count.  */
	  if (obj_pe (abfd) && o->reloc_count >= 0xffff)
	    rel_filepos += relsz;
	}

      if (bfd_coff_long_section_names (abfd)
	  && strlen (o->name) > SCNNMLEN)
	{
	  /* This section has a long name which must go in the string
             table.  This must correspond to the code in
             coff_write_object_contents which puts the string index
             into the s_name field of the section header.  That is why
             we pass hash as FALSE.  */
	  if (_bfd_stringtab_add (finfo.strtab, o->name, FALSE, FALSE)
	      == (bfd_size_type) -1)
	    goto error_return;
	  long_section_names = TRUE;
	}
    }

  /* If doing a relocatable link, allocate space for the pointers we
     need to keep.  */
  if (info->relocatable)
    {
      unsigned int i;

      /* We use section_count + 1, rather than section_count, because
         the target_index fields are 1 based.  */
      amt = abfd->section_count + 1;
      amt *= sizeof (struct coff_link_section_info);
      finfo.section_info = bfd_malloc (amt);
      if (finfo.section_info == NULL)
	goto error_return;
      for (i = 0; i <= abfd->section_count; i++)
	{
	  finfo.section_info[i].relocs = NULL;
	  finfo.section_info[i].rel_hashes = NULL;
	}
    }

  /* We now know the size of the relocs, so we can determine the file
     positions of the line numbers.  */
  line_filepos = rel_filepos;
  linesz = bfd_coff_linesz (abfd);
  max_output_reloc_count = 0;
  for (o = abfd->sections; o != NULL; o = o->next)
    {
      if (o->lineno_count == 0)
	o->line_filepos = 0;
      else
	{
	  o->line_filepos = line_filepos;
	  line_filepos += o->lineno_count * linesz;
	}

      if (o->reloc_count != 0)
	{
	  /* We don't know the indices of global symbols until we have
             written out all the local symbols.  For each section in
             the output file, we keep an array of pointers to hash
             table entries.  Each entry in the array corresponds to a
             reloc.  When we find a reloc against a global symbol, we
             set the corresponding entry in this array so that we can
             fix up the symbol index after we have written out all the
             local symbols.

	     Because of this problem, we also keep the relocs in
	     memory until the end of the link.  This wastes memory,
	     but only when doing a relocatable link, which is not the
	     common case.  */
	  BFD_ASSERT (info->relocatable);
	  amt = o->reloc_count;
	  amt *= sizeof (struct internal_reloc);
	  finfo.section_info[o->target_index].relocs = bfd_malloc (amt);
	  amt = o->reloc_count;
	  amt *= sizeof (struct coff_link_hash_entry *);
	  finfo.section_info[o->target_index].rel_hashes = bfd_malloc (amt);
	  if (finfo.section_info[o->target_index].relocs == NULL
	      || finfo.section_info[o->target_index].rel_hashes == NULL)
	    goto error_return;

	  if (o->reloc_count > max_output_reloc_count)
	    max_output_reloc_count = o->reloc_count;
	}

      /* Reset the reloc and lineno counts, so that we can use them to
	 count the number of entries we have output so far.  */
      o->reloc_count = 0;
      o->lineno_count = 0;
    }

  obj_sym_filepos (abfd) = line_filepos;

  /* Figure out the largest number of symbols in an input BFD.  Take
     the opportunity to clear the output_has_begun fields of all the
     input BFD's.  */
  max_sym_count = 0;
  for (sub = info->input_bfds; sub != NULL; sub = sub->link_next)
    {
      size_t sz;

      sub->output_has_begun = FALSE;
      sz = obj_raw_syment_count (sub);
      if (sz > max_sym_count)
	max_sym_count = sz;
    }

  /* Allocate some buffers used while linking.  */
  amt = max_sym_count * sizeof (struct internal_syment);
  finfo.internal_syms = bfd_malloc (amt);
  amt = max_sym_count * sizeof (asection *);
  finfo.sec_ptrs = bfd_malloc (amt);
  amt = max_sym_count * sizeof (long);
  finfo.sym_indices = bfd_malloc (amt);
  finfo.outsyms = bfd_malloc ((max_sym_count + 1) * symesz);
  amt = max_lineno_count * bfd_coff_linesz (abfd);
  finfo.linenos = bfd_malloc (amt);
  finfo.contents = bfd_malloc (max_contents_size);
  amt = max_reloc_count * relsz;
  finfo.external_relocs = bfd_malloc (amt);
  if (! info->relocatable)
    {
      amt = max_reloc_count * sizeof (struct internal_reloc);
      finfo.internal_relocs = bfd_malloc (amt);
    }
  if ((finfo.internal_syms == NULL && max_sym_count > 0)
      || (finfo.sec_ptrs == NULL && max_sym_count > 0)
      || (finfo.sym_indices == NULL && max_sym_count > 0)
      || finfo.outsyms == NULL
      || (finfo.linenos == NULL && max_lineno_count > 0)
      || (finfo.contents == NULL && max_contents_size > 0)
      || (finfo.external_relocs == NULL && max_reloc_count > 0)
      || (! info->relocatable
	  && finfo.internal_relocs == NULL
	  && max_reloc_count > 0))
    goto error_return;

  /* We now know the position of everything in the file, except that
     we don't know the size of the symbol table and therefore we don't
     know where the string table starts.  We just build the string
     table in memory as we go along.  We process all the relocations
     for a single input file at once.  */
  obj_raw_syment_count (abfd) = 0;

  if (coff_backend_info (abfd)->_bfd_coff_start_final_link)
    {
      if (! bfd_coff_start_final_link (abfd, info))
	goto error_return;
    }

  for (o = abfd->sections; o != NULL; o = o->next)
    {
      for (p = o->map_head.link_order; p != NULL; p = p->next)
	{
	  if (p->type == bfd_indirect_link_order
	      && bfd_family_coff (p->u.indirect.section->owner))
	    {
	      sub = p->u.indirect.section->owner;
	      if (! bfd_coff_link_output_has_begun (sub, & finfo))
		{
		  if (! _bfd_coff_link_input_bfd (&finfo, sub))
		    goto error_return;
		  sub->output_has_begun = TRUE;
		}
	    }
	  else if (p->type == bfd_section_reloc_link_order
		   || p->type == bfd_symbol_reloc_link_order)
	    {
	      if (! _bfd_coff_reloc_link_order (abfd, &finfo, o, p))
		goto error_return;
	    }
	  else
	    {
	      if (! _bfd_default_link_order (abfd, info, o, p))
		goto error_return;
	    }
	}
    }

  if (! bfd_coff_final_link_postscript (abfd, & finfo))
    goto error_return;

  /* Free up the buffers used by _bfd_coff_link_input_bfd.  */

  coff_debug_merge_hash_table_free (&finfo.debug_merge);
  debug_merge_allocated = FALSE;

  if (finfo.internal_syms != NULL)
    {
      free (finfo.internal_syms);
      finfo.internal_syms = NULL;
    }
  if (finfo.sec_ptrs != NULL)
    {
      free (finfo.sec_ptrs);
      finfo.sec_ptrs = NULL;
    }
  if (finfo.sym_indices != NULL)
    {
      free (finfo.sym_indices);
      finfo.sym_indices = NULL;
    }
  if (finfo.linenos != NULL)
    {
      free (finfo.linenos);
      finfo.linenos = NULL;
    }
  if (finfo.contents != NULL)
    {
      free (finfo.contents);
      finfo.contents = NULL;
    }
  if (finfo.external_relocs != NULL)
    {
      free (finfo.external_relocs);
      finfo.external_relocs = NULL;
    }
  if (finfo.internal_relocs != NULL)
    {
      free (finfo.internal_relocs);
      finfo.internal_relocs = NULL;
    }

  /* The value of the last C_FILE symbol is supposed to be the symbol
     index of the first external symbol.  Write it out again if
     necessary.  */
  if (finfo.last_file_index != -1
      && (unsigned int) finfo.last_file.n_value != obj_raw_syment_count (abfd))
    {
      file_ptr pos;

      finfo.last_file.n_value = obj_raw_syment_count (abfd);
      bfd_coff_swap_sym_out (abfd, &finfo.last_file,
			     finfo.outsyms);

      pos = obj_sym_filepos (abfd) + finfo.last_file_index * symesz;
      if (bfd_seek (abfd, pos, SEEK_SET) != 0
	  || bfd_bwrite (finfo.outsyms, symesz, abfd) != symesz)
	return FALSE;
    }

  /* If doing task linking (ld --task-link) then make a pass through the
     global symbols, writing out any that are defined, and making them
     static.  */
  if (info->task_link)
    {
      finfo.failed = FALSE;
      coff_link_hash_traverse (coff_hash_table (info),
			       _bfd_coff_write_task_globals, &finfo);
      if (finfo.failed)
	goto error_return;
    }

  /* Write out the global symbols.  */
  finfo.failed = FALSE;
  coff_link_hash_traverse (coff_hash_table (info),
			   _bfd_coff_write_global_sym, &finfo);
  if (finfo.failed)
    goto error_return;

  /* The outsyms buffer is used by _bfd_coff_write_global_sym.  */
  if (finfo.outsyms != NULL)
    {
      free (finfo.outsyms);
      finfo.outsyms = NULL;
    }

  if (info->relocatable && max_output_reloc_count > 0)
    {
      /* Now that we have written out all the global symbols, we know
	 the symbol indices to use for relocs against them, and we can
	 finally write out the relocs.  */
      amt = max_output_reloc_count * relsz;
      external_relocs = bfd_malloc (amt);
      if (external_relocs == NULL)
	goto error_return;

      for (o = abfd->sections; o != NULL; o = o->next)
	{
	  struct internal_reloc *irel;
	  struct internal_reloc *irelend;
	  struct coff_link_hash_entry **rel_hash;
	  bfd_byte *erel;

	  if (o->reloc_count == 0)
	    continue;

	  irel = finfo.section_info[o->target_index].relocs;
	  irelend = irel + o->reloc_count;
	  rel_hash = finfo.section_info[o->target_index].rel_hashes;
	  erel = external_relocs;
	  for (; irel < irelend; irel++, rel_hash++, erel += relsz)
	    {
	      if (*rel_hash != NULL)
		{
		  BFD_ASSERT ((*rel_hash)->indx >= 0);
		  irel->r_symndx = (*rel_hash)->indx;
		}
	      bfd_coff_swap_reloc_out (abfd, irel, erel);
	    }

	  if (bfd_seek (abfd, o->rel_filepos, SEEK_SET) != 0)
	    goto error_return;
	  if (obj_pe (abfd) && o->reloc_count >= 0xffff)
	    {
	      /* In PE COFF, write the count of relocs as the first
		 reloc.  The header overflow bit will be set
		 elsewhere. */
	      struct internal_reloc incount;
	      bfd_byte *excount = (bfd_byte *)bfd_malloc (relsz);
	      
	      memset (&incount, 0, sizeof (incount));
	      incount.r_vaddr = o->reloc_count + 1;
	      bfd_coff_swap_reloc_out (abfd, (PTR) &incount, (PTR) excount);
	      if (bfd_bwrite (excount, relsz, abfd) != relsz)
		/* We'll leak, but it's an error anyway. */
		goto error_return;
	      free (excount);
	    }
	  if (bfd_bwrite (external_relocs,
			  (bfd_size_type) relsz * o->reloc_count, abfd)
	      != (bfd_size_type) relsz * o->reloc_count)
	    goto error_return;
	}

      free (external_relocs);
      external_relocs = NULL;
    }

  /* Free up the section information.  */
  if (finfo.section_info != NULL)
    {
      unsigned int i;

      for (i = 0; i < abfd->section_count; i++)
	{
	  if (finfo.section_info[i].relocs != NULL)
	    free (finfo.section_info[i].relocs);
	  if (finfo.section_info[i].rel_hashes != NULL)
	    free (finfo.section_info[i].rel_hashes);
	}
      free (finfo.section_info);
      finfo.section_info = NULL;
    }

  /* If we have optimized stabs strings, output them.  */
  if (coff_hash_table (info)->stab_info.stabstr != NULL)
    {
      if (! _bfd_write_stab_strings (abfd, &coff_hash_table (info)->stab_info))
	return FALSE;
    }

  /* Write out the string table.  */
  if (obj_raw_syment_count (abfd) != 0 || long_section_names)
    {
      file_ptr pos;

      pos = obj_sym_filepos (abfd) + obj_raw_syment_count (abfd) * symesz;
      if (bfd_seek (abfd, pos, SEEK_SET) != 0)
	return FALSE;

#if STRING_SIZE_SIZE == 4
      H_PUT_32 (abfd,
		_bfd_stringtab_size (finfo.strtab) + STRING_SIZE_SIZE,
		strbuf);
#else
 #error Change H_PUT_32 above
#endif

      if (bfd_bwrite (strbuf, (bfd_size_type) STRING_SIZE_SIZE, abfd)
	  != STRING_SIZE_SIZE)
	return FALSE;

      if (! _bfd_stringtab_emit (abfd, finfo.strtab))
	return FALSE;

      obj_coff_strings_written (abfd) = TRUE;
    }

  _bfd_stringtab_free (finfo.strtab);

  /* Setting bfd_get_symcount to 0 will cause write_object_contents to
     not try to write out the symbols.  */
  bfd_get_symcount (abfd) = 0;

  return TRUE;

 error_return:
  if (debug_merge_allocated)
    coff_debug_merge_hash_table_free (&finfo.debug_merge);
  if (finfo.strtab != NULL)
    _bfd_stringtab_free (finfo.strtab);
  if (finfo.section_info != NULL)
    {
      unsigned int i;

      for (i = 0; i < abfd->section_count; i++)
	{
	  if (finfo.section_info[i].relocs != NULL)
	    free (finfo.section_info[i].relocs);
	  if (finfo.section_info[i].rel_hashes != NULL)
	    free (finfo.section_info[i].rel_hashes);
	}
      free (finfo.section_info);
    }
  if (finfo.internal_syms != NULL)
    free (finfo.internal_syms);
  if (finfo.sec_ptrs != NULL)
    free (finfo.sec_ptrs);
  if (finfo.sym_indices != NULL)
    free (finfo.sym_indices);
  if (finfo.outsyms != NULL)
    free (finfo.outsyms);
  if (finfo.linenos != NULL)
    free (finfo.linenos);
  if (finfo.contents != NULL)
    free (finfo.contents);
  if (finfo.external_relocs != NULL)
    free (finfo.external_relocs);
  if (finfo.internal_relocs != NULL)
    free (finfo.internal_relocs);
  if (external_relocs != NULL)
    free (external_relocs);
  return FALSE;
}

/* Parse out a -heap <reserved>,<commit> line.  */

static char *
dores_com (char *ptr, bfd *output_bfd, int heap)
{
  if (coff_data(output_bfd)->pe)
    {
      int val = strtoul (ptr, &ptr, 0);

      if (heap)
	pe_data(output_bfd)->pe_opthdr.SizeOfHeapReserve = val;
      else
	pe_data(output_bfd)->pe_opthdr.SizeOfStackReserve = val;

      if (ptr[0] == ',')
	{
	  val = strtoul (ptr+1, &ptr, 0);
	  if (heap)
	    pe_data(output_bfd)->pe_opthdr.SizeOfHeapCommit = val;
	  else
	    pe_data(output_bfd)->pe_opthdr.SizeOfStackCommit = val;
	}
    }
  return ptr;
}

static char *
get_name (char *ptr, char **dst)
{
  while (*ptr == ' ')
    ptr++;
  *dst = ptr;
  while (*ptr && *ptr != ' ')
    ptr++;
  *ptr = 0;
  return ptr+1;
}

/* Process any magic embedded commands in a section called .drectve.  */

static int
process_embedded_commands (bfd *output_bfd,
			   struct bfd_link_info *info ATTRIBUTE_UNUSED,
			   bfd *abfd)
{
  asection *sec = bfd_get_section_by_name (abfd, ".drectve");
  char *s;
  char *e;
  bfd_byte *copy;

  if (!sec)
    return 1;

  if (!bfd_malloc_and_get_section (abfd, sec, &copy))
    {
      if (copy != NULL)
	free (copy);
      return 0;
    }
  e = (char *) copy + sec->size;

  for (s = (char *) copy; s < e ; )
    {
      if (s[0] != '-')
	{
	  s++;
	  continue;
	}
      if (strncmp (s, "-attr", 5) == 0)
	{
	  char *name;
	  char *attribs;
	  asection *asec;
	  int loop = 1;
	  int had_write = 0;
	  int had_exec= 0;

	  s += 5;
	  s = get_name (s, &name);
	  s = get_name (s, &attribs);

	  while (loop)
	    {
	      switch (*attribs++)
		{
		case 'W':
		  had_write = 1;
		  break;
		case 'R':
		  break;
		case 'S':
		  break;
		case 'X':
		  had_exec = 1;
		  break;
		default:
		  loop = 0;
		}
	    }
	  asec = bfd_get_section_by_name (abfd, name);
	  if (asec)
	    {
	      if (had_exec)
		asec->flags |= SEC_CODE;
	      if (!had_write)
		asec->flags |= SEC_READONLY;
	    }
	}
      else if (strncmp (s,"-heap", 5) == 0)
	s = dores_com (s+5, output_bfd, 1);

      else if (strncmp (s,"-stack", 6) == 0)
	s = dores_com (s+6, output_bfd, 0);

      else
	s++;
    }
  free (copy);
  return 1;
}

/* Place a marker against all symbols which are used by relocations.
   This marker can be picked up by the 'do we skip this symbol ?'
   loop in _bfd_coff_link_input_bfd() and used to prevent skipping
   that symbol.  */

static void
mark_relocs (struct coff_final_link_info *finfo, bfd *input_bfd)
{
  asection * a;

  if ((bfd_get_file_flags (input_bfd) & HAS_SYMS) == 0)
    return;

  for (a = input_bfd->sections; a != (asection *) NULL; a = a->next)
    {
      struct internal_reloc *	internal_relocs;
      struct internal_reloc *	irel;
      struct internal_reloc *	irelend;

      if ((a->flags & SEC_RELOC) == 0 || a->reloc_count  < 1)
	continue;
      /* Don't mark relocs in excluded sections.  */
      if (a->output_section == bfd_abs_section_ptr)
	continue;

      /* Read in the relocs.  */
      internal_relocs = _bfd_coff_read_internal_relocs
	(input_bfd, a, FALSE,
	 finfo->external_relocs,
	 finfo->info->relocatable,
	 (finfo->info->relocatable
	  ? (finfo->section_info[ a->output_section->target_index ].relocs + a->output_section->reloc_count)
	  : finfo->internal_relocs)
	);

      if (internal_relocs == NULL)
	continue;

      irel     = internal_relocs;
      irelend  = irel + a->reloc_count;

      /* Place a mark in the sym_indices array (whose entries have
	 been initialised to 0) for all of the symbols that are used
	 in the relocation table.  This will then be picked up in the
	 skip/don't-skip pass.  */
      for (; irel < irelend; irel++)
	finfo->sym_indices[ irel->r_symndx ] = -1;
    }
}

/* Link an input file into the linker output file.  This function
   handles all the sections and relocations of the input file at once.  */

bfd_boolean
_bfd_coff_link_input_bfd (struct coff_final_link_info *finfo, bfd *input_bfd)
{
  unsigned int n_tmask = coff_data (input_bfd)->local_n_tmask;
  unsigned int n_btshft = coff_data (input_bfd)->local_n_btshft;
  bfd_boolean (*adjust_symndx)
    (bfd *, struct bfd_link_info *, bfd *, asection *,
     struct internal_reloc *, bfd_boolean *);
  bfd *output_bfd;
  const char *strings;
  bfd_size_type syment_base;
  bfd_boolean copy, hash;
  bfd_size_type isymesz;
  bfd_size_type osymesz;
  bfd_size_type linesz;
  bfd_byte *esym;
  bfd_byte *esym_end;
  struct internal_syment *isymp;
  asection **secpp;
  long *indexp;
  unsigned long output_index;
  bfd_byte *outsym;
  struct coff_link_hash_entry **sym_hash;
  asection *o;

  /* Move all the symbols to the output file.  */

  output_bfd = finfo->output_bfd;
  strings = NULL;
  syment_base = obj_raw_syment_count (output_bfd);
  isymesz = bfd_coff_symesz (input_bfd);
  osymesz = bfd_coff_symesz (output_bfd);
  linesz = bfd_coff_linesz (input_bfd);
  BFD_ASSERT (linesz == bfd_coff_linesz (output_bfd));

  copy = FALSE;
  if (! finfo->info->keep_memory)
    copy = TRUE;
  hash = TRUE;
  if ((output_bfd->flags & BFD_TRADITIONAL_FORMAT) != 0)
    hash = FALSE;

  if (! _bfd_coff_get_external_symbols (input_bfd))
    return FALSE;

  esym = (bfd_byte *) obj_coff_external_syms (input_bfd);
  esym_end = esym + obj_raw_syment_count (input_bfd) * isymesz;
  isymp = finfo->internal_syms;
  secpp = finfo->sec_ptrs;
  indexp = finfo->sym_indices;
  output_index = syment_base;
  outsym = finfo->outsyms;

  if (coff_data (output_bfd)->pe
      && ! process_embedded_commands (output_bfd, finfo->info, input_bfd))
    return FALSE;

  /* If we are going to perform relocations and also strip/discard some
     symbols then we must make sure that we do not strip/discard those
     symbols that are going to be involved in the relocations.  */
  if ((   finfo->info->strip   != strip_none
       || finfo->info->discard != discard_none)
      && finfo->info->relocatable)
    {
      /* Mark the symbol array as 'not-used'.  */
      memset (indexp, 0, obj_raw_syment_count (input_bfd) * sizeof * indexp);

      mark_relocs (finfo, input_bfd);
    }

  while (esym < esym_end)
    {
      struct internal_syment isym;
      enum coff_symbol_classification classification;
      bfd_boolean skip;
      bfd_boolean global;
      bfd_boolean dont_skip_symbol;
      int add;

      bfd_coff_swap_sym_in (input_bfd, esym, isymp);

      /* Make a copy of *isymp so that the relocate_section function
	 always sees the original values.  This is more reliable than
	 always recomputing the symbol value even if we are stripping
	 the symbol.  */
      isym = *isymp;

      classification = bfd_coff_classify_symbol (input_bfd, &isym);
      switch (classification)
	{
	default:
	  abort ();
	case COFF_SYMBOL_GLOBAL:
	case COFF_SYMBOL_PE_SECTION:
	case COFF_SYMBOL_LOCAL:
	  *secpp = coff_section_from_bfd_index (input_bfd, isym.n_scnum);
	  break;
	case COFF_SYMBOL_COMMON:
	  *secpp = bfd_com_section_ptr;
	  break;
	case COFF_SYMBOL_UNDEFINED:
	  *secpp = bfd_und_section_ptr;
	  break;
	}

      /* Extract the flag indicating if this symbol is used by a
         relocation.  */
      if ((finfo->info->strip != strip_none
	   || finfo->info->discard != discard_none)
	  && finfo->info->relocatable)
	dont_skip_symbol = *indexp;
      else
	dont_skip_symbol = FALSE;

      *indexp = -1;

      skip = FALSE;
      global = FALSE;
      add = 1 + isym.n_numaux;

      /* If we are stripping all symbols, we want to skip this one.  */
      if (finfo->info->strip == strip_all && ! dont_skip_symbol)
	skip = TRUE;

      if (! skip)
	{
	  switch (classification)
	    {
	    default:
	      abort ();
	    case COFF_SYMBOL_GLOBAL:
	    case COFF_SYMBOL_COMMON:
	    case COFF_SYMBOL_PE_SECTION:
	      /* This is a global symbol.  Global symbols come at the
		 end of the symbol table, so skip them for now.
		 Locally defined function symbols, however, are an
		 exception, and are not moved to the end.  */
	      global = TRUE;
	      if (! ISFCN (isym.n_type))
		skip = TRUE;
	      break;

	    case COFF_SYMBOL_UNDEFINED:
	      /* Undefined symbols are left for the end.  */
	      global = TRUE;
	      skip = TRUE;
	      break;

	    case COFF_SYMBOL_LOCAL:
	      /* This is a local symbol.  Skip it if we are discarding
                 local symbols.  */
	      if (finfo->info->discard == discard_all && ! dont_skip_symbol)
		skip = TRUE;
	      break;
	    }
	}

#ifndef COFF_WITH_PE
      /* Skip section symbols for sections which are not going to be
	 emitted.  */
      if (!skip
	  && dont_skip_symbol == 0
	  && isym.n_sclass == C_STAT
	  && isym.n_type == T_NULL
          && isym.n_numaux > 0
	  && (*secpp)->output_section == bfd_abs_section_ptr)
	skip = TRUE;
#endif

      /* If we stripping debugging symbols, and this is a debugging
         symbol, then skip it.  FIXME: gas sets the section to N_ABS
         for some types of debugging symbols; I don't know if this is
         a bug or not.  In any case, we handle it here.  */
      if (! skip
	  && finfo->info->strip == strip_debugger
	  && ! dont_skip_symbol
	  && (isym.n_scnum == N_DEBUG
	      || (isym.n_scnum == N_ABS
		  && (isym.n_sclass == C_AUTO
		      || isym.n_sclass == C_REG
		      || isym.n_sclass == C_MOS
		      || isym.n_sclass == C_MOE
		      || isym.n_sclass == C_MOU
		      || isym.n_sclass == C_ARG
		      || isym.n_sclass == C_REGPARM
		      || isym.n_sclass == C_FIELD
		      || isym.n_sclass == C_EOS))))
	skip = TRUE;

      /* If some symbols are stripped based on the name, work out the
	 name and decide whether to skip this symbol.  */
      if (! skip
	  && (finfo->info->strip == strip_some
	      || finfo->info->discard == discard_l))
	{
	  const char *name;
	  char buf[SYMNMLEN + 1];

	  name = _bfd_coff_internal_syment_name (input_bfd, &isym, buf);
	  if (name == NULL)
	    return FALSE;

	  if (! dont_skip_symbol
	      && ((finfo->info->strip == strip_some
		   && (bfd_hash_lookup (finfo->info->keep_hash, name, FALSE,
				    FALSE) == NULL))
		   || (! global
		       && finfo->info->discard == discard_l
		       && bfd_is_local_label_name (input_bfd, name))))
	    skip = TRUE;
	}

      /* If this is an enum, struct, or union tag, see if we have
         already output an identical type.  */
      if (! skip
	  && (finfo->output_bfd->flags & BFD_TRADITIONAL_FORMAT) == 0
	  && (isym.n_sclass == C_ENTAG
	      || isym.n_sclass == C_STRTAG
	      || isym.n_sclass == C_UNTAG)
	  && isym.n_numaux == 1)
	{
	  const char *name;
	  char buf[SYMNMLEN + 1];
	  struct coff_debug_merge_hash_entry *mh;
	  struct coff_debug_merge_type *mt;
	  union internal_auxent aux;
	  struct coff_debug_merge_element **epp;
	  bfd_byte *esl, *eslend;
	  struct internal_syment *islp;
	  bfd_size_type amt;

	  name = _bfd_coff_internal_syment_name (input_bfd, &isym, buf);
	  if (name == NULL)
	    return FALSE;

	  /* Ignore fake names invented by compiler; treat them all as
             the same name.  */
	  if (*name == '~' || *name == '.' || *name == '$'
	      || (*name == bfd_get_symbol_leading_char (input_bfd)
		  && (name[1] == '~' || name[1] == '.' || name[1] == '$')))
	    name = "";

	  mh = coff_debug_merge_hash_lookup (&finfo->debug_merge, name,
					     TRUE, TRUE);
	  if (mh == NULL)
	    return FALSE;

	  /* Allocate memory to hold type information.  If this turns
             out to be a duplicate, we pass this address to
             bfd_release.  */
	  amt = sizeof (struct coff_debug_merge_type);
	  mt = bfd_alloc (input_bfd, amt);
	  if (mt == NULL)
	    return FALSE;
	  mt->class = isym.n_sclass;

	  /* Pick up the aux entry, which points to the end of the tag
             entries.  */
	  bfd_coff_swap_aux_in (input_bfd, (esym + isymesz),
				isym.n_type, isym.n_sclass, 0, isym.n_numaux,
				&aux);

	  /* Gather the elements.  */
	  epp = &mt->elements;
	  mt->elements = NULL;
	  islp = isymp + 2;
	  esl = esym + 2 * isymesz;
	  eslend = ((bfd_byte *) obj_coff_external_syms (input_bfd)
		    + aux.x_sym.x_fcnary.x_fcn.x_endndx.l * isymesz);
	  while (esl < eslend)
	    {
	      const char *elename;
	      char elebuf[SYMNMLEN + 1];
	      char *name_copy;

	      bfd_coff_swap_sym_in (input_bfd, esl, islp);

	      amt = sizeof (struct coff_debug_merge_element);
	      *epp = bfd_alloc (input_bfd, amt);
	      if (*epp == NULL)
		return FALSE;

	      elename = _bfd_coff_internal_syment_name (input_bfd, islp,
							elebuf);
	      if (elename == NULL)
		return FALSE;

	      amt = strlen (elename) + 1;
	      name_copy = bfd_alloc (input_bfd, amt);
	      if (name_copy == NULL)
		return FALSE;
	      strcpy (name_copy, elename);

	      (*epp)->name = name_copy;
	      (*epp)->type = islp->n_type;
	      (*epp)->tagndx = 0;
	      if (islp->n_numaux >= 1
		  && islp->n_type != T_NULL
		  && islp->n_sclass != C_EOS)
		{
		  union internal_auxent eleaux;
		  long indx;

		  bfd_coff_swap_aux_in (input_bfd, (esl + isymesz),
					islp->n_type, islp->n_sclass, 0,
					islp->n_numaux, &eleaux);
		  indx = eleaux.x_sym.x_tagndx.l;

		  /* FIXME: If this tagndx entry refers to a symbol
		     defined later in this file, we just ignore it.
		     Handling this correctly would be tedious, and may
		     not be required.  */
		  if (indx > 0
		      && (indx
			  < ((esym -
			      (bfd_byte *) obj_coff_external_syms (input_bfd))
			     / (long) isymesz)))
		    {
		      (*epp)->tagndx = finfo->sym_indices[indx];
		      if ((*epp)->tagndx < 0)
			(*epp)->tagndx = 0;
		    }
		}
	      epp = &(*epp)->next;
	      *epp = NULL;

	      esl += (islp->n_numaux + 1) * isymesz;
	      islp += islp->n_numaux + 1;
	    }

	  /* See if we already have a definition which matches this
             type.  We always output the type if it has no elements,
             for simplicity.  */
	  if (mt->elements == NULL)
	    bfd_release (input_bfd, mt);
	  else
	    {
	      struct coff_debug_merge_type *mtl;

	      for (mtl = mh->types; mtl != NULL; mtl = mtl->next)
		{
		  struct coff_debug_merge_element *me, *mel;

		  if (mtl->class != mt->class)
		    continue;

		  for (me = mt->elements, mel = mtl->elements;
		       me != NULL && mel != NULL;
		       me = me->next, mel = mel->next)
		    {
		      if (strcmp (me->name, mel->name) != 0
			  || me->type != mel->type
			  || me->tagndx != mel->tagndx)
			break;
		    }

		  if (me == NULL && mel == NULL)
		    break;
		}

	      if (mtl == NULL || (bfd_size_type) mtl->indx >= syment_base)
		{
		  /* This is the first definition of this type.  */
		  mt->indx = output_index;
		  mt->next = mh->types;
		  mh->types = mt;
		}
	      else
		{
		  /* This is a redefinition which can be merged.  */
		  bfd_release (input_bfd, mt);
		  *indexp = mtl->indx;
		  add = (eslend - esym) / isymesz;
		  skip = TRUE;
		}
	    }
	}

      /* We now know whether we are to skip this symbol or not.  */
      if (! skip)
	{
	  /* Adjust the symbol in order to output it.  */

	  if (isym._n._n_n._n_zeroes == 0
	      && isym._n._n_n._n_offset != 0)
	    {
	      const char *name;
	      bfd_size_type indx;

	      /* This symbol has a long name.  Enter it in the string
		 table we are building.  Note that we do not check
		 bfd_coff_symname_in_debug.  That is only true for
		 XCOFF, and XCOFF requires different linking code
		 anyhow.  */
	      name = _bfd_coff_internal_syment_name (input_bfd, &isym, NULL);
	      if (name == NULL)
		return FALSE;
	      indx = _bfd_stringtab_add (finfo->strtab, name, hash, copy);
	      if (indx == (bfd_size_type) -1)
		return FALSE;
	      isym._n._n_n._n_offset = STRING_SIZE_SIZE + indx;
	    }

	  switch (isym.n_sclass)
	    {
	    case C_AUTO:
	    case C_MOS:
	    case C_EOS:
	    case C_MOE:
	    case C_MOU:
	    case C_UNTAG:
	    case C_STRTAG:
	    case C_ENTAG:
	    case C_TPDEF:
	    case C_ARG:
	    case C_USTATIC:
	    case C_REG:
	    case C_REGPARM:
	    case C_FIELD:
	      /* The symbol value should not be modified.  */
	      break;

	    case C_FCN:
	      if (obj_pe (input_bfd)
		  && strcmp (isym.n_name, ".bf") != 0
		  && isym.n_scnum > 0)
		{
		  /* For PE, .lf and .ef get their value left alone,
		     while .bf gets relocated.  However, they all have
		     "real" section numbers, and need to be moved into
		     the new section.  */
		  isym.n_scnum = (*secpp)->output_section->target_index;
		  break;
		}
	      /* Fall through.  */
	    default:
	    case C_LABEL:  /* Not completely sure about these 2 */
	    case C_EXTDEF:
	    case C_BLOCK:
	    case C_EFCN:
	    case C_NULL:
	    case C_EXT:
	    case C_STAT:
	    case C_SECTION:
	    case C_NT_WEAK:
	      /* Compute new symbol location.  */
	    if (isym.n_scnum > 0)
	      {
		isym.n_scnum = (*secpp)->output_section->target_index;
		isym.n_value += (*secpp)->output_offset;
		if (! obj_pe (input_bfd))
		  isym.n_value -= (*secpp)->vma;
		if (! obj_pe (finfo->output_bfd))
		  isym.n_value += (*secpp)->output_section->vma;
	      }
	    break;

	    case C_FILE:
	      /* The value of a C_FILE symbol is the symbol index of
		 the next C_FILE symbol.  The value of the last C_FILE
		 symbol is the symbol index to the first external
		 symbol (actually, coff_renumber_symbols does not get
		 this right--it just sets the value of the last C_FILE
		 symbol to zero--and nobody has ever complained about
		 it).  We try to get this right, below, just before we
		 write the symbols out, but in the general case we may
		 have to write the symbol out twice.  */
	      if (finfo->last_file_index != -1
		  && finfo->last_file.n_value != (bfd_vma) output_index)
		{
		  /* We must correct the value of the last C_FILE
                     entry.  */
		  finfo->last_file.n_value = output_index;
		  if ((bfd_size_type) finfo->last_file_index >= syment_base)
		    {
		      /* The last C_FILE symbol is in this input file.  */
		      bfd_coff_swap_sym_out (output_bfd,
					     &finfo->last_file,
					     (finfo->outsyms
					      + ((finfo->last_file_index
						  - syment_base)
						 * osymesz)));
		    }
		  else
		    {
		      file_ptr pos;

		      /* We have already written out the last C_FILE
			 symbol.  We need to write it out again.  We
			 borrow *outsym temporarily.  */
		      bfd_coff_swap_sym_out (output_bfd,
					     &finfo->last_file, outsym);
		      pos = obj_sym_filepos (output_bfd);
		      pos += finfo->last_file_index * osymesz;
		      if (bfd_seek (output_bfd, pos, SEEK_SET) != 0
			  || bfd_bwrite (outsym, osymesz, output_bfd) != osymesz)
			return FALSE;
		    }
		}

	      finfo->last_file_index = output_index;
	      finfo->last_file = isym;
	      break;
	    }

	  /* If doing task linking, convert normal global function symbols to
	     static functions.  */
	  if (finfo->info->task_link && IS_EXTERNAL (input_bfd, isym))
	    isym.n_sclass = C_STAT;

	  /* Output the symbol.  */
	  bfd_coff_swap_sym_out (output_bfd, &isym, outsym);

	  *indexp = output_index;

	  if (global)
	    {
	      long indx;
	      struct coff_link_hash_entry *h;

	      indx = ((esym - (bfd_byte *) obj_coff_external_syms (input_bfd))
		      / isymesz);
	      h = obj_coff_sym_hashes (input_bfd)[indx];
	      if (h == NULL)
		{
		  /* This can happen if there were errors earlier in
                     the link.  */
		  bfd_set_error (bfd_error_bad_value);
		  return FALSE;
		}
	      h->indx = output_index;
	    }

	  output_index += add;
	  outsym += add * osymesz;
	}

      esym += add * isymesz;
      isymp += add;
      ++secpp;
      ++indexp;
      for (--add; add > 0; --add)
	{
	  *secpp++ = NULL;
	  *indexp++ = -1;
	}
    }

  /* Fix up the aux entries.  This must be done in a separate pass,
     because we don't know the correct symbol indices until we have
     already decided which symbols we are going to keep.  */
  esym = (bfd_byte *) obj_coff_external_syms (input_bfd);
  esym_end = esym + obj_raw_syment_count (input_bfd) * isymesz;
  isymp = finfo->internal_syms;
  indexp = finfo->sym_indices;
  sym_hash = obj_coff_sym_hashes (input_bfd);
  outsym = finfo->outsyms;

  while (esym < esym_end)
    {
      int add;

      add = 1 + isymp->n_numaux;

      if ((*indexp < 0
	   || (bfd_size_type) *indexp < syment_base)
	  && (*sym_hash == NULL
	      || (*sym_hash)->auxbfd != input_bfd))
	esym += add * isymesz;
      else
	{
	  struct coff_link_hash_entry *h;
	  int i;

	  h = NULL;
	  if (*indexp < 0)
	    {
	      h = *sym_hash;

	      /* The m68k-motorola-sysv assembler will sometimes
                 generate two symbols with the same name, but only one
                 will have aux entries.  */
	      BFD_ASSERT (isymp->n_numaux == 0
			  || h->numaux == isymp->n_numaux);
	    }

	  esym += isymesz;

	  if (h == NULL)
	    outsym += osymesz;

	  /* Handle the aux entries.  This handling is based on
	     coff_pointerize_aux.  I don't know if it always correct.  */
	  for (i = 0; i < isymp->n_numaux && esym < esym_end; i++)
	    {
	      union internal_auxent aux;
	      union internal_auxent *auxp;

	      if (h != NULL)
		auxp = h->aux + i;
	      else
		{
		  bfd_coff_swap_aux_in (input_bfd, esym, isymp->n_type,
					isymp->n_sclass, i, isymp->n_numaux, &aux);
		  auxp = &aux;
		}

	      if (isymp->n_sclass == C_FILE)
		{
		  /* If this is a long filename, we must put it in the
		     string table.  */
		  if (auxp->x_file.x_n.x_zeroes == 0
		      && auxp->x_file.x_n.x_offset != 0)
		    {
		      const char *filename;
		      bfd_size_type indx;

		      BFD_ASSERT (auxp->x_file.x_n.x_offset
				  >= STRING_SIZE_SIZE);
		      if (strings == NULL)
			{
			  strings = _bfd_coff_read_string_table (input_bfd);
			  if (strings == NULL)
			    return FALSE;
			}
		      filename = strings + auxp->x_file.x_n.x_offset;
		      indx = _bfd_stringtab_add (finfo->strtab, filename,
						 hash, copy);
		      if (indx == (bfd_size_type) -1)
			return FALSE;
		      auxp->x_file.x_n.x_offset = STRING_SIZE_SIZE + indx;
		    }
		}
	      else if ((isymp->n_sclass != C_STAT || isymp->n_type != T_NULL)
		       && isymp->n_sclass != C_NT_WEAK)
		{
		  unsigned long indx;

		  if (ISFCN (isymp->n_type)
		      || ISTAG (isymp->n_sclass)
		      || isymp->n_sclass == C_BLOCK
		      || isymp->n_sclass == C_FCN)
		    {
		      indx = auxp->x_sym.x_fcnary.x_fcn.x_endndx.l;
		      if (indx > 0
			  && indx < obj_raw_syment_count (input_bfd))
			{
			  /* We look forward through the symbol for
                             the index of the next symbol we are going
                             to include.  I don't know if this is
                             entirely right.  */
			  while ((finfo->sym_indices[indx] < 0
				  || ((bfd_size_type) finfo->sym_indices[indx]
				      < syment_base))
				 && indx < obj_raw_syment_count (input_bfd))
			    ++indx;
			  if (indx >= obj_raw_syment_count (input_bfd))
			    indx = output_index;
			  else
			    indx = finfo->sym_indices[indx];
			  auxp->x_sym.x_fcnary.x_fcn.x_endndx.l = indx;
			}
		    }

		  indx = auxp->x_sym.x_tagndx.l;
		  if (indx > 0 && indx < obj_raw_syment_count (input_bfd))
		    {
		      long symindx;

		      symindx = finfo->sym_indices[indx];
		      if (symindx < 0)
			auxp->x_sym.x_tagndx.l = 0;
		      else
			auxp->x_sym.x_tagndx.l = symindx;
		    }

		  /* The .bf symbols are supposed to be linked through
		     the endndx field.  We need to carry this list
		     across object files.  */
		  if (i == 0
		      && h == NULL
		      && isymp->n_sclass == C_FCN
		      && (isymp->_n._n_n._n_zeroes != 0
			  || isymp->_n._n_n._n_offset == 0)
		      && isymp->_n._n_name[0] == '.'
		      && isymp->_n._n_name[1] == 'b'
		      && isymp->_n._n_name[2] == 'f'
		      && isymp->_n._n_name[3] == '\0')
		    {
		      if (finfo->last_bf_index != -1)
			{
			  finfo->last_bf.x_sym.x_fcnary.x_fcn.x_endndx.l =
			    *indexp;

			  if ((bfd_size_type) finfo->last_bf_index
			      >= syment_base)
			    {
			      void *auxout;

			      /* The last .bf symbol is in this input
				 file.  This will only happen if the
				 assembler did not set up the .bf
				 endndx symbols correctly.  */
			      auxout = (finfo->outsyms
					+ ((finfo->last_bf_index
					    - syment_base)
					   * osymesz));

			      bfd_coff_swap_aux_out (output_bfd,
						     &finfo->last_bf,
						     isymp->n_type,
						     isymp->n_sclass,
						     0, isymp->n_numaux,
						     auxout);
			    }
			  else
			    {
			      file_ptr pos;

			      /* We have already written out the last
                                 .bf aux entry.  We need to write it
                                 out again.  We borrow *outsym
                                 temporarily.  FIXME: This case should
                                 be made faster.  */
			      bfd_coff_swap_aux_out (output_bfd,
						     &finfo->last_bf,
						     isymp->n_type,
						     isymp->n_sclass,
						     0, isymp->n_numaux,
						     outsym);
			      pos = obj_sym_filepos (output_bfd);
			      pos += finfo->last_bf_index * osymesz;
			      if (bfd_seek (output_bfd, pos, SEEK_SET) != 0
				  || (bfd_bwrite (outsym, osymesz, output_bfd)
				      != osymesz))
				return FALSE;
			    }
			}

		      if (auxp->x_sym.x_fcnary.x_fcn.x_endndx.l != 0)
			finfo->last_bf_index = -1;
		      else
			{
			  /* The endndx field of this aux entry must
                             be updated with the symbol number of the
                             next .bf symbol.  */
			  finfo->last_bf = *auxp;
			  finfo->last_bf_index = (((outsym - finfo->outsyms)
						   / osymesz)
						  + syment_base);
			}
		    }
		}

	      if (h == NULL)
		{
		  bfd_coff_swap_aux_out (output_bfd, auxp, isymp->n_type,
					 isymp->n_sclass, i, isymp->n_numaux,
					 outsym);
		  outsym += osymesz;
		}

	      esym += isymesz;
	    }
	}

      indexp += add;
      isymp += add;
      sym_hash += add;
    }

  /* Relocate the line numbers, unless we are stripping them.  */
  if (finfo->info->strip == strip_none
      || finfo->info->strip == strip_some)
    {
      for (o = input_bfd->sections; o != NULL; o = o->next)
	{
	  bfd_vma offset;
	  bfd_byte *eline;
	  bfd_byte *elineend;
	  bfd_byte *oeline;
	  bfd_boolean skipping;
	  file_ptr pos;
	  bfd_size_type amt;

	  /* FIXME: If SEC_HAS_CONTENTS is not for the section, then
	     build_link_order in ldwrite.c will not have created a
	     link order, which means that we will not have seen this
	     input section in _bfd_coff_final_link, which means that
	     we will not have allocated space for the line numbers of
	     this section.  I don't think line numbers can be
	     meaningful for a section which does not have
	     SEC_HAS_CONTENTS set, but, if they do, this must be
	     changed.  */
	  if (o->lineno_count == 0
	      || (o->output_section->flags & SEC_HAS_CONTENTS) == 0)
	    continue;

	  if (bfd_seek (input_bfd, o->line_filepos, SEEK_SET) != 0
	      || bfd_bread (finfo->linenos, linesz * o->lineno_count,
			   input_bfd) != linesz * o->lineno_count)
	    return FALSE;

	  offset = o->output_section->vma + o->output_offset - o->vma;
	  eline = finfo->linenos;
	  oeline = finfo->linenos;
	  elineend = eline + linesz * o->lineno_count;
	  skipping = FALSE;
	  for (; eline < elineend; eline += linesz)
	    {
	      struct internal_lineno iline;

	      bfd_coff_swap_lineno_in (input_bfd, eline, &iline);

	      if (iline.l_lnno != 0)
		iline.l_addr.l_paddr += offset;
	      else if (iline.l_addr.l_symndx >= 0
		       && ((unsigned long) iline.l_addr.l_symndx
			   < obj_raw_syment_count (input_bfd)))
		{
		  long indx;

		  indx = finfo->sym_indices[iline.l_addr.l_symndx];

		  if (indx < 0)
		    {
		      /* These line numbers are attached to a symbol
			 which we are stripping.  We must discard the
			 line numbers because reading them back with
			 no associated symbol (or associating them all
			 with symbol #0) will fail.  We can't regain
			 the space in the output file, but at least
			 they're dense.  */
		      skipping = TRUE;
		    }
		  else
		    {
		      struct internal_syment is;
		      union internal_auxent ia;

		      /* Fix up the lnnoptr field in the aux entry of
			 the symbol.  It turns out that we can't do
			 this when we modify the symbol aux entries,
			 because gas sometimes screws up the lnnoptr
			 field and makes it an offset from the start
			 of the line numbers rather than an absolute
			 file index.  */
		      bfd_coff_swap_sym_in (output_bfd,
					    (finfo->outsyms
					     + ((indx - syment_base)
						* osymesz)), &is);
		      if ((ISFCN (is.n_type)
			   || is.n_sclass == C_BLOCK)
			  && is.n_numaux >= 1)
			{
			  void *auxptr;

			  auxptr = (finfo->outsyms
				    + ((indx - syment_base + 1)
				       * osymesz));
			  bfd_coff_swap_aux_in (output_bfd, auxptr,
						is.n_type, is.n_sclass,
						0, is.n_numaux, &ia);
			  ia.x_sym.x_fcnary.x_fcn.x_lnnoptr =
			    (o->output_section->line_filepos
			     + o->output_section->lineno_count * linesz
			     + eline - finfo->linenos);
			  bfd_coff_swap_aux_out (output_bfd, &ia,
						 is.n_type, is.n_sclass, 0,
						 is.n_numaux, auxptr);
			}

		      skipping = FALSE;
		    }

		  iline.l_addr.l_symndx = indx;
		}

	      if (!skipping)
	        {
		  bfd_coff_swap_lineno_out (output_bfd, &iline, oeline);
		  oeline += linesz;
		}
	    }

	  pos = o->output_section->line_filepos;
	  pos += o->output_section->lineno_count * linesz;
	  amt = oeline - finfo->linenos;
	  if (bfd_seek (output_bfd, pos, SEEK_SET) != 0
	      || bfd_bwrite (finfo->linenos, amt, output_bfd) != amt)
	    return FALSE;

	  o->output_section->lineno_count += amt / linesz;
	}
    }

  /* If we swapped out a C_FILE symbol, guess that the next C_FILE
     symbol will be the first symbol in the next input file.  In the
     normal case, this will save us from writing out the C_FILE symbol
     again.  */
  if (finfo->last_file_index != -1
      && (bfd_size_type) finfo->last_file_index >= syment_base)
    {
      finfo->last_file.n_value = output_index;
      bfd_coff_swap_sym_out (output_bfd, &finfo->last_file,
			     (finfo->outsyms
			      + ((finfo->last_file_index - syment_base)
				 * osymesz)));
    }

  /* Write the modified symbols to the output file.  */
  if (outsym > finfo->outsyms)
    {
      file_ptr pos;
      bfd_size_type amt;

      pos = obj_sym_filepos (output_bfd) + syment_base * osymesz;
      amt = outsym - finfo->outsyms;
      if (bfd_seek (output_bfd, pos, SEEK_SET) != 0
	  || bfd_bwrite (finfo->outsyms, amt, output_bfd) != amt)
	return FALSE;

      BFD_ASSERT ((obj_raw_syment_count (output_bfd)
		   + (outsym - finfo->outsyms) / osymesz)
		  == output_index);

      obj_raw_syment_count (output_bfd) = output_index;
    }

  /* Relocate the contents of each section.  */
  adjust_symndx = coff_backend_info (input_bfd)->_bfd_coff_adjust_symndx;
  for (o = input_bfd->sections; o != NULL; o = o->next)
    {
      bfd_byte *contents;
      struct coff_section_tdata *secdata;

      if (! o->linker_mark)
	/* This section was omitted from the link.  */
	continue;

      if ((o->flags & SEC_LINKER_CREATED) != 0)
	continue;

      if ((o->flags & SEC_HAS_CONTENTS) == 0
	  || (o->size == 0 && (o->flags & SEC_RELOC) == 0))
	{
	  if ((o->flags & SEC_RELOC) != 0
	      && o->reloc_count != 0)
	    {
	      (*_bfd_error_handler)
		(_("%B: relocs in section `%A', but it has no contents"),
		 input_bfd, o);
	      bfd_set_error (bfd_error_no_contents);
	      return FALSE;
	    }

	  continue;
	}

      secdata = coff_section_data (input_bfd, o);
      if (secdata != NULL && secdata->contents != NULL)
	contents = secdata->contents;
      else
	{
	  bfd_size_type x = o->rawsize ? o->rawsize : o->size;
	  if (! bfd_get_section_contents (input_bfd, o, finfo->contents, 0, x))
	    return FALSE;
	  contents = finfo->contents;
	}

      if ((o->flags & SEC_RELOC) != 0)
	{
	  int target_index;
	  struct internal_reloc *internal_relocs;
	  struct internal_reloc *irel;

	  /* Read in the relocs.  */
	  target_index = o->output_section->target_index;
	  internal_relocs = (_bfd_coff_read_internal_relocs
			     (input_bfd, o, FALSE, finfo->external_relocs,
			      finfo->info->relocatable,
			      (finfo->info->relocatable
			       ? (finfo->section_info[target_index].relocs
				  + o->output_section->reloc_count)
			       : finfo->internal_relocs)));
	  if (internal_relocs == NULL)
	    return FALSE;

	  /* Call processor specific code to relocate the section
             contents.  */
	  if (! bfd_coff_relocate_section (output_bfd, finfo->info,
					   input_bfd, o,
					   contents,
					   internal_relocs,
					   finfo->internal_syms,
					   finfo->sec_ptrs))
	    return FALSE;

	  if (finfo->info->relocatable)
	    {
	      bfd_vma offset;
	      struct internal_reloc *irelend;
	      struct coff_link_hash_entry **rel_hash;

	      offset = o->output_section->vma + o->output_offset - o->vma;
	      irel = internal_relocs;
	      irelend = irel + o->reloc_count;
	      rel_hash = (finfo->section_info[target_index].rel_hashes
			  + o->output_section->reloc_count);
	      for (; irel < irelend; irel++, rel_hash++)
		{
		  struct coff_link_hash_entry *h;
		  bfd_boolean adjusted;

		  *rel_hash = NULL;

		  /* Adjust the reloc address and symbol index.  */
		  irel->r_vaddr += offset;

		  if (irel->r_symndx == -1)
		    continue;

		  if (adjust_symndx)
		    {
		      if (! (*adjust_symndx) (output_bfd, finfo->info,
					      input_bfd, o, irel,
					      &adjusted))
			return FALSE;
		      if (adjusted)
			continue;
		    }

		  h = obj_coff_sym_hashes (input_bfd)[irel->r_symndx];
		  if (h != NULL)
		    {
		      /* This is a global symbol.  */
		      if (h->indx >= 0)
			irel->r_symndx = h->indx;
		      else
			{
			  /* This symbol is being written at the end
			     of the file, and we do not yet know the
			     symbol index.  We save the pointer to the
			     hash table entry in the rel_hash list.
			     We set the indx field to -2 to indicate
			     that this symbol must not be stripped.  */
			  *rel_hash = h;
			  h->indx = -2;
			}
		    }
		  else
		    {
		      long indx;

		      indx = finfo->sym_indices[irel->r_symndx];
		      if (indx != -1)
			irel->r_symndx = indx;
		      else
			{
			  struct internal_syment *is;
			  const char *name;
			  char buf[SYMNMLEN + 1];

			  /* This reloc is against a symbol we are
                             stripping.  This should have been handled
			     by the 'dont_skip_symbol' code in the while
			     loop at the top of this function.  */
			  is = finfo->internal_syms + irel->r_symndx;

			  name = (_bfd_coff_internal_syment_name
				  (input_bfd, is, buf));
			  if (name == NULL)
			    return FALSE;

			  if (! ((*finfo->info->callbacks->unattached_reloc)
				 (finfo->info, name, input_bfd, o,
				  irel->r_vaddr)))
			    return FALSE;
			}
		    }
		}

	      o->output_section->reloc_count += o->reloc_count;
	    }
	}

      /* Write out the modified section contents.  */
      if (secdata == NULL || secdata->stab_info == NULL)
	{
	  file_ptr loc = o->output_offset * bfd_octets_per_byte (output_bfd);
	  if (! bfd_set_section_contents (output_bfd, o->output_section,
					  contents, loc, o->size))
	    return FALSE;
	}
      else
	{
	  if (! (_bfd_write_section_stabs
		 (output_bfd, &coff_hash_table (finfo->info)->stab_info,
		  o, &secdata->stab_info, contents)))
	    return FALSE;
	}
    }

  if (! finfo->info->keep_memory
      && ! _bfd_coff_free_symbols (input_bfd))
    return FALSE;

  return TRUE;
}

/* Write out a global symbol.  Called via coff_link_hash_traverse.  */

bfd_boolean
_bfd_coff_write_global_sym (struct coff_link_hash_entry *h, void *data)
{
  struct coff_final_link_info *finfo = (struct coff_final_link_info *) data;
  bfd *output_bfd;
  struct internal_syment isym;
  bfd_size_type symesz;
  unsigned int i;
  file_ptr pos;

  output_bfd = finfo->output_bfd;

  if (h->root.type == bfd_link_hash_warning)
    {
      h = (struct coff_link_hash_entry *) h->root.u.i.link;
      if (h->root.type == bfd_link_hash_new)
	return TRUE;
    }

  if (h->indx >= 0)
    return TRUE;

  if (h->indx != -2
      && (finfo->info->strip == strip_all
	  || (finfo->info->strip == strip_some
	      && (bfd_hash_lookup (finfo->info->keep_hash,
				   h->root.root.string, FALSE, FALSE)
		  == NULL))))
    return TRUE;

  switch (h->root.type)
    {
    default:
    case bfd_link_hash_new:
    case bfd_link_hash_warning:
      abort ();
      return FALSE;

    case bfd_link_hash_undefined:
    case bfd_link_hash_undefweak:
      isym.n_scnum = N_UNDEF;
      isym.n_value = 0;
      break;

    case bfd_link_hash_defined:
    case bfd_link_hash_defweak:
      {
	asection *sec;

	sec = h->root.u.def.section->output_section;
	if (bfd_is_abs_section (sec))
	  isym.n_scnum = N_ABS;
	else
	  isym.n_scnum = sec->target_index;
	isym.n_value = (h->root.u.def.value
			+ h->root.u.def.section->output_offset);
	if (! obj_pe (finfo->output_bfd))
	  isym.n_value += sec->vma;
      }
      break;

    case bfd_link_hash_common:
      isym.n_scnum = N_UNDEF;
      isym.n_value = h->root.u.c.size;
      break;

    case bfd_link_hash_indirect:
      /* Just ignore these.  They can't be handled anyhow.  */
      return TRUE;
    }

  if (strlen (h->root.root.string) <= SYMNMLEN)
    strncpy (isym._n._n_name, h->root.root.string, SYMNMLEN);
  else
    {
      bfd_boolean hash;
      bfd_size_type indx;

      hash = TRUE;
      if ((output_bfd->flags & BFD_TRADITIONAL_FORMAT) != 0)
	hash = FALSE;
      indx = _bfd_stringtab_add (finfo->strtab, h->root.root.string, hash,
				 FALSE);
      if (indx == (bfd_size_type) -1)
	{
	  finfo->failed = TRUE;
	  return FALSE;
	}
      isym._n._n_n._n_zeroes = 0;
      isym._n._n_n._n_offset = STRING_SIZE_SIZE + indx;
    }

  isym.n_sclass = h->class;
  isym.n_type = h->type;

  if (isym.n_sclass == C_NULL)
    isym.n_sclass = C_EXT;

  /* If doing task linking and this is the pass where we convert
     defined globals to statics, then do that conversion now.  If the
     symbol is not being converted, just ignore it and it will be
     output during a later pass.  */
  if (finfo->global_to_static)
    {
      if (! IS_EXTERNAL (output_bfd, isym))
	return TRUE;

      isym.n_sclass = C_STAT;
    }

  /* When a weak symbol is not overridden by a strong one,
     turn it into an external symbol when not building a
     shared or relocatable object.  */
  if (! finfo->info->shared
      && ! finfo->info->relocatable
      && IS_WEAK_EXTERNAL (finfo->output_bfd, isym))
    isym.n_sclass = C_EXT;

  isym.n_numaux = h->numaux;

  bfd_coff_swap_sym_out (output_bfd, &isym, finfo->outsyms);

  symesz = bfd_coff_symesz (output_bfd);

  pos = obj_sym_filepos (output_bfd);
  pos += obj_raw_syment_count (output_bfd) * symesz;
  if (bfd_seek (output_bfd, pos, SEEK_SET) != 0
      || bfd_bwrite (finfo->outsyms, symesz, output_bfd) != symesz)
    {
      finfo->failed = TRUE;
      return FALSE;
    }

  h->indx = obj_raw_syment_count (output_bfd);

  ++obj_raw_syment_count (output_bfd);

  /* Write out any associated aux entries.  Most of the aux entries
     will have been modified in _bfd_coff_link_input_bfd.  We have to
     handle section aux entries here, now that we have the final
     relocation and line number counts.  */
  for (i = 0; i < isym.n_numaux; i++)
    {
      union internal_auxent *auxp;

      auxp = h->aux + i;

      /* Look for a section aux entry here using the same tests that
         coff_swap_aux_out uses.  */
      if (i == 0
	  && (isym.n_sclass == C_STAT
	      || isym.n_sclass == C_HIDDEN)
	  && isym.n_type == T_NULL
	  && (h->root.type == bfd_link_hash_defined
	      || h->root.type == bfd_link_hash_defweak))
	{
	  asection *sec;

	  sec = h->root.u.def.section->output_section;
	  if (sec != NULL)
	    {
	      auxp->x_scn.x_scnlen = sec->size;

	      /* For PE, an overflow on the final link reportedly does
                 not matter.  FIXME: Why not?  */
	      if (sec->reloc_count > 0xffff
		  && (! obj_pe (output_bfd)
		      || finfo->info->relocatable))
		(*_bfd_error_handler)
		  (_("%s: %s: reloc overflow: 0x%lx > 0xffff"),
		   bfd_get_filename (output_bfd),
		   bfd_get_section_name (output_bfd, sec),
		   sec->reloc_count);

	      if (sec->lineno_count > 0xffff
		  && (! obj_pe (output_bfd)
		      || finfo->info->relocatable))
		(*_bfd_error_handler)
		  (_("%s: warning: %s: line number overflow: 0x%lx > 0xffff"),
		   bfd_get_filename (output_bfd),
		   bfd_get_section_name (output_bfd, sec),
		   sec->lineno_count);

	      auxp->x_scn.x_nreloc = sec->reloc_count;
	      auxp->x_scn.x_nlinno = sec->lineno_count;
	      auxp->x_scn.x_checksum = 0;
	      auxp->x_scn.x_associated = 0;
	      auxp->x_scn.x_comdat = 0;
	    }
	}

      bfd_coff_swap_aux_out (output_bfd, auxp, isym.n_type,
			     isym.n_sclass, (int) i, isym.n_numaux,
			     finfo->outsyms);
      if (bfd_bwrite (finfo->outsyms, symesz, output_bfd) != symesz)
	{
	  finfo->failed = TRUE;
	  return FALSE;
	}
      ++obj_raw_syment_count (output_bfd);
    }

  return TRUE;
}

/* Write out task global symbols, converting them to statics.  Called
   via coff_link_hash_traverse.  Calls bfd_coff_write_global_sym to do
   the dirty work, if the symbol we are processing needs conversion.  */

bfd_boolean
_bfd_coff_write_task_globals (struct coff_link_hash_entry *h, void *data)
{
  struct coff_final_link_info *finfo = (struct coff_final_link_info *) data;
  bfd_boolean rtnval = TRUE;
  bfd_boolean save_global_to_static;

  if (h->root.type == bfd_link_hash_warning)
    h = (struct coff_link_hash_entry *) h->root.u.i.link;

  if (h->indx < 0)
    {
      switch (h->root.type)
	{
	case bfd_link_hash_defined:
	case bfd_link_hash_defweak:
	  save_global_to_static = finfo->global_to_static;
	  finfo->global_to_static = TRUE;
	  rtnval = _bfd_coff_write_global_sym (h, data);
	  finfo->global_to_static = save_global_to_static;
	  break;
	default:
	  break;
	}
    }
  return (rtnval);
}

/* Handle a link order which is supposed to generate a reloc.  */

bfd_boolean
_bfd_coff_reloc_link_order (bfd *output_bfd,
			    struct coff_final_link_info *finfo,
			    asection *output_section,
			    struct bfd_link_order *link_order)
{
  reloc_howto_type *howto;
  struct internal_reloc *irel;
  struct coff_link_hash_entry **rel_hash_ptr;

  howto = bfd_reloc_type_lookup (output_bfd, link_order->u.reloc.p->reloc);
  if (howto == NULL)
    {
      bfd_set_error (bfd_error_bad_value);
      return FALSE;
    }

  if (link_order->u.reloc.p->addend != 0)
    {
      bfd_size_type size;
      bfd_byte *buf;
      bfd_reloc_status_type rstat;
      bfd_boolean ok;
      file_ptr loc;

      size = bfd_get_reloc_size (howto);
      buf = bfd_zmalloc (size);
      if (buf == NULL)
	return FALSE;

      rstat = _bfd_relocate_contents (howto, output_bfd,
				      (bfd_vma) link_order->u.reloc.p->addend,\
				      buf);
      switch (rstat)
	{
	case bfd_reloc_ok:
	  break;
	default:
	case bfd_reloc_outofrange:
	  abort ();
	case bfd_reloc_overflow:
	  if (! ((*finfo->info->callbacks->reloc_overflow)
		 (finfo->info, NULL,
		  (link_order->type == bfd_section_reloc_link_order
		   ? bfd_section_name (output_bfd,
				       link_order->u.reloc.p->u.section)
		   : link_order->u.reloc.p->u.name),
		  howto->name, link_order->u.reloc.p->addend,
		  (bfd *) NULL, (asection *) NULL, (bfd_vma) 0)))
	    {
	      free (buf);
	      return FALSE;
	    }
	  break;
	}
      loc = link_order->offset * bfd_octets_per_byte (output_bfd);
      ok = bfd_set_section_contents (output_bfd, output_section, buf,
                                     loc, size);
      free (buf);
      if (! ok)
	return FALSE;
    }

  /* Store the reloc information in the right place.  It will get
     swapped and written out at the end of the final_link routine.  */
  irel = (finfo->section_info[output_section->target_index].relocs
	  + output_section->reloc_count);
  rel_hash_ptr = (finfo->section_info[output_section->target_index].rel_hashes
		  + output_section->reloc_count);

  memset (irel, 0, sizeof (struct internal_reloc));
  *rel_hash_ptr = NULL;

  irel->r_vaddr = output_section->vma + link_order->offset;

  if (link_order->type == bfd_section_reloc_link_order)
    {
      /* We need to somehow locate a symbol in the right section.  The
         symbol must either have a value of zero, or we must adjust
         the addend by the value of the symbol.  FIXME: Write this
         when we need it.  The old linker couldn't handle this anyhow.  */
      abort ();
      *rel_hash_ptr = NULL;
      irel->r_symndx = 0;
    }
  else
    {
      struct coff_link_hash_entry *h;

      h = ((struct coff_link_hash_entry *)
	   bfd_wrapped_link_hash_lookup (output_bfd, finfo->info,
					 link_order->u.reloc.p->u.name,
					 FALSE, FALSE, TRUE));
      if (h != NULL)
	{
	  if (h->indx >= 0)
	    irel->r_symndx = h->indx;
	  else
	    {
	      /* Set the index to -2 to force this symbol to get
		 written out.  */
	      h->indx = -2;
	      *rel_hash_ptr = h;
	      irel->r_symndx = 0;
	    }
	}
      else
	{
	  if (! ((*finfo->info->callbacks->unattached_reloc)
		 (finfo->info, link_order->u.reloc.p->u.name, (bfd *) NULL,
		  (asection *) NULL, (bfd_vma) 0)))
	    return FALSE;
	  irel->r_symndx = 0;
	}
    }

  /* FIXME: Is this always right?  */
  irel->r_type = howto->type;

  /* r_size is only used on the RS/6000, which needs its own linker
     routines anyhow.  r_extern is only used for ECOFF.  */

  /* FIXME: What is the right value for r_offset?  Is zero OK?  */
  ++output_section->reloc_count;

  return TRUE;
}

/* A basic reloc handling routine which may be used by processors with
   simple relocs.  */

bfd_boolean
_bfd_coff_generic_relocate_section (bfd *output_bfd,
				    struct bfd_link_info *info,
				    bfd *input_bfd,
				    asection *input_section,
				    bfd_byte *contents,
				    struct internal_reloc *relocs,
				    struct internal_syment *syms,
				    asection **sections)
{
  struct internal_reloc *rel;
  struct internal_reloc *relend;

  rel = relocs;
  relend = rel + input_section->reloc_count;
  for (; rel < relend; rel++)
    {
      long symndx;
      struct coff_link_hash_entry *h;
      struct internal_syment *sym;
      bfd_vma addend;
      bfd_vma val;
      reloc_howto_type *howto;
      bfd_reloc_status_type rstat;

      symndx = rel->r_symndx;

      if (symndx == -1)
	{
	  h = NULL;
	  sym = NULL;
	}
      else if (symndx < 0
	       || (unsigned long) symndx >= obj_raw_syment_count (input_bfd))
	{
	  (*_bfd_error_handler)
	    ("%B: illegal symbol index %ld in relocs", input_bfd, symndx);
	  return FALSE;
	}
      else
	{
	  h = obj_coff_sym_hashes (input_bfd)[symndx];
	  sym = syms + symndx;
	}

      /* COFF treats common symbols in one of two ways.  Either the
         size of the symbol is included in the section contents, or it
         is not.  We assume that the size is not included, and force
         the rtype_to_howto function to adjust the addend as needed.  */
      if (sym != NULL && sym->n_scnum != 0)
	addend = - sym->n_value;
      else
	addend = 0;

      howto = bfd_coff_rtype_to_howto (input_bfd, input_section, rel, h,
				       sym, &addend);
      if (howto == NULL)
	return FALSE;

      /* If we are doing a relocatable link, then we can just ignore
         a PC relative reloc that is pcrel_offset.  It will already
         have the correct value.  If this is not a relocatable link,
         then we should ignore the symbol value.  */
      if (howto->pc_relative && howto->pcrel_offset)
	{
	  if (info->relocatable)
	    continue;
	  if (sym != NULL && sym->n_scnum != 0)
	    addend += sym->n_value;
	}

      val = 0;

      if (h == NULL)
	{
	  asection *sec;

	  if (symndx == -1)
	    {
	      sec = bfd_abs_section_ptr;
	      val = 0;
	    }
	  else
	    {
	      sec = sections[symndx];
              val = (sec->output_section->vma
		     + sec->output_offset
		     + sym->n_value);
	      if (! obj_pe (input_bfd))
		val -= sec->vma;
	    }
	}
      else
	{
	  if (h->root.type == bfd_link_hash_defined
	      || h->root.type == bfd_link_hash_defweak)
	    {
	      /* Defined weak symbols are a GNU extension. */
	      asection *sec;

	      sec = h->root.u.def.section;
	      val = (h->root.u.def.value
		     + sec->output_section->vma
		     + sec->output_offset);
	    }

	  else if (h->root.type == bfd_link_hash_undefweak)
	    {
              if (h->class == C_NT_WEAK && h->numaux == 1)
		{
		  /* See _Microsoft Portable Executable and Common Object
                     File Format Specification_, section 5.5.3.
		     Note that weak symbols without aux records are a GNU
		     extension.
		     FIXME: All weak externals are treated as having
		     characteristic IMAGE_WEAK_EXTERN_SEARCH_NOLIBRARY (1).
		     These behave as per SVR4 ABI:  A library member
		     will resolve a weak external only if a normal
		     external causes the library member to be linked.
		     See also linker.c: generic_link_check_archive_element. */
		  asection *sec;
		  struct coff_link_hash_entry *h2 =
		    input_bfd->tdata.coff_obj_data->sym_hashes[
		    h->aux->x_sym.x_tagndx.l];

		  if (!h2 || h2->root.type == bfd_link_hash_undefined)
		    {
		      sec = bfd_abs_section_ptr;
		      val = 0;
		    }
		  else
		    {
		      sec = h2->root.u.def.section;
		      val = h2->root.u.def.value
			+ sec->output_section->vma + sec->output_offset;
		    }
		}
	      else
                /* This is a GNU extension.  */
		val = 0;
	    }

	  else if (! info->relocatable)
	    {
	      if (! ((*info->callbacks->undefined_symbol)
		     (info, h->root.root.string, input_bfd, input_section,
		      rel->r_vaddr - input_section->vma, TRUE)))
		return FALSE;
	    }
	}

      if (info->base_file)
	{
	  /* Emit a reloc if the backend thinks it needs it.  */
	  if (sym && pe_data (output_bfd)->in_reloc_p (output_bfd, howto))
	    {
	      /* Relocation to a symbol in a section which isn't
		 absolute.  We output the address here to a file.
		 This file is then read by dlltool when generating the
		 reloc section.  Note that the base file is not
		 portable between systems.  We write out a long here,
		 and dlltool reads in a long.  */
	      long addr = (rel->r_vaddr
			   - input_section->vma
			   + input_section->output_offset
			   + input_section->output_section->vma);
	      if (coff_data (output_bfd)->pe)
		addr -= pe_data(output_bfd)->pe_opthdr.ImageBase;
	      if (fwrite (&addr, 1, sizeof (long), (FILE *) info->base_file)
		  != sizeof (long))
		{
		  bfd_set_error (bfd_error_system_call);
		  return FALSE;
		}
	    }
	}

      rstat = _bfd_final_link_relocate (howto, input_bfd, input_section,
					contents,
					rel->r_vaddr - input_section->vma,
					val, addend);

      switch (rstat)
	{
	default:
	  abort ();
	case bfd_reloc_ok:
	  break;
	case bfd_reloc_outofrange:
	  (*_bfd_error_handler)
	    (_("%B: bad reloc address 0x%lx in section `%A'"),
	     input_bfd, input_section, (unsigned long) rel->r_vaddr);
	  return FALSE;
	case bfd_reloc_overflow:
	  {
	    const char *name;
	    char buf[SYMNMLEN + 1];

	    if (symndx == -1)
	      name = "*ABS*";
	    else if (h != NULL)
	      name = NULL;
	    else
	      {
		name = _bfd_coff_internal_syment_name (input_bfd, sym, buf);
		if (name == NULL)
		  return FALSE;
	      }

	    if (! ((*info->callbacks->reloc_overflow)
		   (info, (h ? &h->root : NULL), name, howto->name,
		    (bfd_vma) 0, input_bfd, input_section,
		    rel->r_vaddr - input_section->vma)))
	      return FALSE;
	  }
	}
    }
  return TRUE;
}