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
|
/*
* Linux syscalls
*
* Copyright (c) 2003 Fabrice Bellard
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <elf.h>
#include <endian.h>
#include <errno.h>
#include <unistd.h>
#include <fcntl.h>
#include <time.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/time.h>
#include <sys/stat.h>
#include <sys/mount.h>
#include <sys/resource.h>
#include <sys/mman.h>
#include <sys/swap.h>
#include <signal.h>
#include <sched.h>
#include <sys/socket.h>
#include <sys/uio.h>
#include <sys/poll.h>
#include <sys/times.h>
#include <utime.h>
//#include <sys/user.h>
#include <netinet/tcp.h>
#define termios host_termios
#define winsize host_winsize
#define termio host_termio
#define sgttyb host_sgttyb /* same as target */
#define tchars host_tchars /* same as target */
#define ltchars host_ltchars /* same as target */
#include <linux/termios.h>
#include <linux/unistd.h>
#include <linux/utsname.h>
#include <linux/cdrom.h>
#include <linux/hdreg.h>
#include <linux/soundcard.h>
#include <linux/dirent.h>
#include <linux/kd.h>
#include "qemu.h"
//#define DEBUG
#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SPARC)
/* 16 bit uid wrappers emulation */
#define USE_UID16
#endif
//#include <linux/msdos_fs.h>
#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct dirent [2])
#define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct dirent [2])
#if defined(__powerpc__)
#undef __syscall_nr
#undef __sc_loadargs_0
#undef __sc_loadargs_1
#undef __sc_loadargs_2
#undef __sc_loadargs_3
#undef __sc_loadargs_4
#undef __sc_loadargs_5
#undef __sc_asm_input_0
#undef __sc_asm_input_1
#undef __sc_asm_input_2
#undef __sc_asm_input_3
#undef __sc_asm_input_4
#undef __sc_asm_input_5
#undef _syscall0
#undef _syscall1
#undef _syscall2
#undef _syscall3
#undef _syscall4
#undef _syscall5
/* need to redefine syscalls as Linux kernel defines are incorrect for
the clobber list */
/* On powerpc a system call basically clobbers the same registers like a
* function call, with the exception of LR (which is needed for the
* "sc; bnslr" sequence) and CR (where only CR0.SO is clobbered to signal
* an error return status).
*/
#define __syscall_nr(nr, type, name, args...) \
unsigned long __sc_ret, __sc_err; \
{ \
register unsigned long __sc_0 __asm__ ("r0"); \
register unsigned long __sc_3 __asm__ ("r3"); \
register unsigned long __sc_4 __asm__ ("r4"); \
register unsigned long __sc_5 __asm__ ("r5"); \
register unsigned long __sc_6 __asm__ ("r6"); \
register unsigned long __sc_7 __asm__ ("r7"); \
\
__sc_loadargs_##nr(name, args); \
__asm__ __volatile__ \
("sc \n\t" \
"mfcr %0 " \
: "=&r" (__sc_0), \
"=&r" (__sc_3), "=&r" (__sc_4), \
"=&r" (__sc_5), "=&r" (__sc_6), \
"=&r" (__sc_7) \
: __sc_asm_input_##nr \
: "cr0", "ctr", "memory", \
"r8", "r9", "r10","r11", "r12"); \
__sc_ret = __sc_3; \
__sc_err = __sc_0; \
} \
if (__sc_err & 0x10000000) \
{ \
errno = __sc_ret; \
__sc_ret = -1; \
} \
return (type) __sc_ret
#define __sc_loadargs_0(name, dummy...) \
__sc_0 = __NR_##name
#define __sc_loadargs_1(name, arg1) \
__sc_loadargs_0(name); \
__sc_3 = (unsigned long) (arg1)
#define __sc_loadargs_2(name, arg1, arg2) \
__sc_loadargs_1(name, arg1); \
__sc_4 = (unsigned long) (arg2)
#define __sc_loadargs_3(name, arg1, arg2, arg3) \
__sc_loadargs_2(name, arg1, arg2); \
__sc_5 = (unsigned long) (arg3)
#define __sc_loadargs_4(name, arg1, arg2, arg3, arg4) \
__sc_loadargs_3(name, arg1, arg2, arg3); \
__sc_6 = (unsigned long) (arg4)
#define __sc_loadargs_5(name, arg1, arg2, arg3, arg4, arg5) \
__sc_loadargs_4(name, arg1, arg2, arg3, arg4); \
__sc_7 = (unsigned long) (arg5)
#define __sc_asm_input_0 "0" (__sc_0)
#define __sc_asm_input_1 __sc_asm_input_0, "1" (__sc_3)
#define __sc_asm_input_2 __sc_asm_input_1, "2" (__sc_4)
#define __sc_asm_input_3 __sc_asm_input_2, "3" (__sc_5)
#define __sc_asm_input_4 __sc_asm_input_3, "4" (__sc_6)
#define __sc_asm_input_5 __sc_asm_input_4, "5" (__sc_7)
#define _syscall0(type,name) \
type name(void) \
{ \
__syscall_nr(0, type, name); \
}
#define _syscall1(type,name,type1,arg1) \
type name(type1 arg1) \
{ \
__syscall_nr(1, type, name, arg1); \
}
#define _syscall2(type,name,type1,arg1,type2,arg2) \
type name(type1 arg1, type2 arg2) \
{ \
__syscall_nr(2, type, name, arg1, arg2); \
}
#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
type name(type1 arg1, type2 arg2, type3 arg3) \
{ \
__syscall_nr(3, type, name, arg1, arg2, arg3); \
}
#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
{ \
__syscall_nr(4, type, name, arg1, arg2, arg3, arg4); \
}
#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5) \
type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) \
{ \
__syscall_nr(5, type, name, arg1, arg2, arg3, arg4, arg5); \
}
#endif
#define __NR_sys_uname __NR_uname
#define __NR_sys_getcwd1 __NR_getcwd
#define __NR_sys_statfs __NR_statfs
#define __NR_sys_fstatfs __NR_fstatfs
#define __NR_sys_getdents __NR_getdents
#define __NR_sys_getdents64 __NR_getdents64
#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
#if defined(__alpha__) || defined (__ia64__)
#define __NR__llseek __NR_lseek
#endif
#ifdef __NR_gettid
_syscall0(int, gettid)
#else
static int gettid(void) {
return -ENOSYS;
}
#endif
_syscall1(int,sys_uname,struct new_utsname *,buf)
_syscall2(int,sys_getcwd1,char *,buf,size_t,size)
_syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count);
_syscall3(int, sys_getdents64, uint, fd, struct dirent64 *, dirp, uint, count);
_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
loff_t *, res, uint, wh);
_syscall2(int,sys_statfs,const char *,path,struct kernel_statfs *,buf)
_syscall2(int,sys_fstatfs,int,fd,struct kernel_statfs *,buf)
_syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
#ifdef __NR_exit_group
_syscall1(int,exit_group,int,error_code)
#endif
extern int personality(int);
extern int flock(int, int);
extern int setfsuid(int);
extern int setfsgid(int);
extern int setresuid(uid_t, uid_t, uid_t);
extern int getresuid(uid_t *, uid_t *, uid_t *);
extern int setresgid(gid_t, gid_t, gid_t);
extern int getresgid(gid_t *, gid_t *, gid_t *);
extern int setgroups(int, gid_t *);
#define put_user(x,ptr)\
({\
int size = sizeof(*ptr);\
switch(size) {\
case 1:\
stb(ptr, (typeof(*ptr))(x));\
break;\
case 2:\
stw(ptr, (typeof(*ptr))(x));\
break;\
case 4:\
stl(ptr, (typeof(*ptr))(x));\
break;\
case 8:\
stq(ptr, (typeof(*ptr))(x));\
break;\
default:\
abort();\
}\
0;\
})
static inline long get_errno(long ret)
{
if (ret == -1)
return -errno;
else
return ret;
}
static inline int is_error(long ret)
{
return (unsigned long)ret >= (unsigned long)(-4096);
}
static char *target_brk;
static char *target_original_brk;
void target_set_brk(char *new_brk)
{
target_brk = new_brk;
target_original_brk = new_brk;
}
static long do_brk(char *new_brk)
{
char *brk_page;
long mapped_addr;
int new_alloc_size;
if (!new_brk)
return (long)target_brk;
if (new_brk < target_original_brk)
return -ENOMEM;
brk_page = (char *)HOST_PAGE_ALIGN((unsigned long)target_brk);
/* If the new brk is less than this, set it and we're done... */
if (new_brk < brk_page) {
target_brk = new_brk;
return (long)target_brk;
}
/* We need to allocate more memory after the brk... */
new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
mapped_addr = get_errno(target_mmap((unsigned long)brk_page, new_alloc_size,
PROT_READ|PROT_WRITE,
MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
if (is_error(mapped_addr)) {
return mapped_addr;
} else {
target_brk = new_brk;
return (long)target_brk;
}
}
static inline fd_set *target_to_host_fds(fd_set *fds,
target_long *target_fds, int n)
{
#if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
return (fd_set *)target_fds;
#else
int i, b;
if (target_fds) {
FD_ZERO(fds);
for(i = 0;i < n; i++) {
b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >>
(i & (TARGET_LONG_BITS - 1))) & 1;
if (b)
FD_SET(i, fds);
}
return fds;
} else {
return NULL;
}
#endif
}
static inline void host_to_target_fds(target_long *target_fds,
fd_set *fds, int n)
{
#if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
/* nothing to do */
#else
int i, nw, j, k;
target_long v;
if (target_fds) {
nw = n / TARGET_LONG_BITS;
k = 0;
for(i = 0;i < nw; i++) {
v = 0;
for(j = 0; j < TARGET_LONG_BITS; j++) {
v |= ((FD_ISSET(k, fds) != 0) << j);
k++;
}
target_fds[i] = tswapl(v);
}
}
#endif
}
#if defined(__alpha__)
#define HOST_HZ 1024
#else
#define HOST_HZ 100
#endif
static inline long host_to_target_clock_t(long ticks)
{
#if HOST_HZ == TARGET_HZ
return ticks;
#else
return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
#endif
}
static inline void host_to_target_rusage(struct target_rusage *target_rusage,
const struct rusage *rusage)
{
target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
}
static inline void target_to_host_timeval(struct timeval *tv,
const struct target_timeval *target_tv)
{
tv->tv_sec = tswapl(target_tv->tv_sec);
tv->tv_usec = tswapl(target_tv->tv_usec);
}
static inline void host_to_target_timeval(struct target_timeval *target_tv,
const struct timeval *tv)
{
target_tv->tv_sec = tswapl(tv->tv_sec);
target_tv->tv_usec = tswapl(tv->tv_usec);
}
static long do_select(long n,
target_long *target_rfds, target_long *target_wfds,
target_long *target_efds, struct target_timeval *target_tv)
{
fd_set rfds, wfds, efds;
fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
struct timeval tv, *tv_ptr;
long ret;
rfds_ptr = target_to_host_fds(&rfds, target_rfds, n);
wfds_ptr = target_to_host_fds(&wfds, target_wfds, n);
efds_ptr = target_to_host_fds(&efds, target_efds, n);
if (target_tv) {
target_to_host_timeval(&tv, target_tv);
tv_ptr = &tv;
} else {
tv_ptr = NULL;
}
ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
if (!is_error(ret)) {
host_to_target_fds(target_rfds, rfds_ptr, n);
host_to_target_fds(target_wfds, wfds_ptr, n);
host_to_target_fds(target_efds, efds_ptr, n);
if (target_tv) {
host_to_target_timeval(target_tv, &tv);
}
}
return ret;
}
static inline void target_to_host_sockaddr(struct sockaddr *addr,
struct target_sockaddr *target_addr,
socklen_t len)
{
memcpy(addr, target_addr, len);
addr->sa_family = tswap16(target_addr->sa_family);
}
static inline void host_to_target_sockaddr(struct target_sockaddr *target_addr,
struct sockaddr *addr,
socklen_t len)
{
memcpy(target_addr, addr, len);
target_addr->sa_family = tswap16(addr->sa_family);
}
static inline void target_to_host_cmsg(struct msghdr *msgh,
struct target_msghdr *target_msgh)
{
struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
socklen_t space = 0;
while (cmsg && target_cmsg) {
void *data = CMSG_DATA(cmsg);
void *target_data = TARGET_CMSG_DATA(target_cmsg);
int len = tswapl(target_cmsg->cmsg_len)
- TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
space += CMSG_SPACE(len);
if (space > msgh->msg_controllen) {
space -= CMSG_SPACE(len);
gemu_log("Host cmsg overflow");
break;
}
cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
cmsg->cmsg_len = CMSG_LEN(len);
if (cmsg->cmsg_level != SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
memcpy(data, target_data, len);
} else {
int *fd = (int *)data;
int *target_fd = (int *)target_data;
int i, numfds = len / sizeof(int);
for (i = 0; i < numfds; i++)
fd[i] = tswap32(target_fd[i]);
}
cmsg = CMSG_NXTHDR(msgh, cmsg);
target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
}
msgh->msg_controllen = space;
}
static inline void host_to_target_cmsg(struct target_msghdr *target_msgh,
struct msghdr *msgh)
{
struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
socklen_t space = 0;
while (cmsg && target_cmsg) {
void *data = CMSG_DATA(cmsg);
void *target_data = TARGET_CMSG_DATA(target_cmsg);
int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
space += TARGET_CMSG_SPACE(len);
if (space > tswapl(target_msgh->msg_controllen)) {
space -= TARGET_CMSG_SPACE(len);
gemu_log("Target cmsg overflow");
break;
}
target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
if (cmsg->cmsg_level != SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
memcpy(target_data, data, len);
} else {
int *fd = (int *)data;
int *target_fd = (int *)target_data;
int i, numfds = len / sizeof(int);
for (i = 0; i < numfds; i++)
target_fd[i] = tswap32(fd[i]);
}
cmsg = CMSG_NXTHDR(msgh, cmsg);
target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
}
msgh->msg_controllen = tswapl(space);
}
static long do_setsockopt(int sockfd, int level, int optname,
void *optval, socklen_t optlen)
{
if (level == SOL_TCP) {
/* TCP options all take an 'int' value. */
int val;
if (optlen < sizeof(uint32_t))
return -EINVAL;
val = tswap32(*(uint32_t *)optval);
return get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
}
else if (level != SOL_SOCKET) {
gemu_log("Unsupported setsockopt level: %d\n", level);
return -ENOSYS;
}
switch (optname) {
/* Options with 'int' argument. */
case SO_DEBUG:
case SO_REUSEADDR:
case SO_TYPE:
case SO_ERROR:
case SO_DONTROUTE:
case SO_BROADCAST:
case SO_SNDBUF:
case SO_RCVBUF:
case SO_KEEPALIVE:
case SO_OOBINLINE:
case SO_NO_CHECK:
case SO_PRIORITY:
case SO_BSDCOMPAT:
case SO_PASSCRED:
case SO_TIMESTAMP:
case SO_RCVLOWAT:
case SO_RCVTIMEO:
case SO_SNDTIMEO:
{
int val;
if (optlen < sizeof(uint32_t))
return -EINVAL;
val = tswap32(*(uint32_t *)optval);
return get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
}
default:
gemu_log("Unsupported setsockopt SOL_SOCKET option: %d\n", optname);
return -ENOSYS;
}
}
static long do_getsockopt(int sockfd, int level, int optname,
void *optval, socklen_t *optlen)
{
gemu_log("getsockopt not yet supported\n");
return -ENOSYS;
}
static long do_socketcall(int num, int32_t *vptr)
{
long ret;
switch(num) {
case SOCKOP_socket:
{
int domain = tswap32(vptr[0]);
int type = tswap32(vptr[1]);
int protocol = tswap32(vptr[2]);
ret = get_errno(socket(domain, type, protocol));
}
break;
case SOCKOP_bind:
{
int sockfd = tswap32(vptr[0]);
void *target_addr = (void *)tswap32(vptr[1]);
socklen_t addrlen = tswap32(vptr[2]);
void *addr = alloca(addrlen);
target_to_host_sockaddr(addr, target_addr, addrlen);
ret = get_errno(bind(sockfd, addr, addrlen));
}
break;
case SOCKOP_connect:
{
int sockfd = tswap32(vptr[0]);
void *target_addr = (void *)tswap32(vptr[1]);
socklen_t addrlen = tswap32(vptr[2]);
void *addr = alloca(addrlen);
target_to_host_sockaddr(addr, target_addr, addrlen);
ret = get_errno(connect(sockfd, addr, addrlen));
}
break;
case SOCKOP_listen:
{
int sockfd = tswap32(vptr[0]);
int backlog = tswap32(vptr[1]);
ret = get_errno(listen(sockfd, backlog));
}
break;
case SOCKOP_accept:
{
int sockfd = tswap32(vptr[0]);
void *target_addr = (void *)tswap32(vptr[1]);
uint32_t *target_addrlen = (void *)tswap32(vptr[2]);
socklen_t addrlen = tswap32(*target_addrlen);
void *addr = alloca(addrlen);
ret = get_errno(accept(sockfd, addr, &addrlen));
if (!is_error(ret)) {
host_to_target_sockaddr(target_addr, addr, addrlen);
*target_addrlen = tswap32(addrlen);
}
}
break;
case SOCKOP_getsockname:
{
int sockfd = tswap32(vptr[0]);
void *target_addr = (void *)tswap32(vptr[1]);
uint32_t *target_addrlen = (void *)tswap32(vptr[2]);
socklen_t addrlen = tswap32(*target_addrlen);
void *addr = alloca(addrlen);
ret = get_errno(getsockname(sockfd, addr, &addrlen));
if (!is_error(ret)) {
host_to_target_sockaddr(target_addr, addr, addrlen);
*target_addrlen = tswap32(addrlen);
}
}
break;
case SOCKOP_getpeername:
{
int sockfd = tswap32(vptr[0]);
void *target_addr = (void *)tswap32(vptr[1]);
uint32_t *target_addrlen = (void *)tswap32(vptr[2]);
socklen_t addrlen = tswap32(*target_addrlen);
void *addr = alloca(addrlen);
ret = get_errno(getpeername(sockfd, addr, &addrlen));
if (!is_error(ret)) {
host_to_target_sockaddr(target_addr, addr, addrlen);
*target_addrlen = tswap32(addrlen);
}
}
break;
case SOCKOP_socketpair:
{
int domain = tswap32(vptr[0]);
int type = tswap32(vptr[1]);
int protocol = tswap32(vptr[2]);
int32_t *target_tab = (void *)tswap32(vptr[3]);
int tab[2];
ret = get_errno(socketpair(domain, type, protocol, tab));
if (!is_error(ret)) {
target_tab[0] = tswap32(tab[0]);
target_tab[1] = tswap32(tab[1]);
}
}
break;
case SOCKOP_send:
{
int sockfd = tswap32(vptr[0]);
void *msg = (void *)tswap32(vptr[1]);
size_t len = tswap32(vptr[2]);
int flags = tswap32(vptr[3]);
ret = get_errno(send(sockfd, msg, len, flags));
}
break;
case SOCKOP_recv:
{
int sockfd = tswap32(vptr[0]);
void *msg = (void *)tswap32(vptr[1]);
size_t len = tswap32(vptr[2]);
int flags = tswap32(vptr[3]);
ret = get_errno(recv(sockfd, msg, len, flags));
}
break;
case SOCKOP_sendto:
{
int sockfd = tswap32(vptr[0]);
void *msg = (void *)tswap32(vptr[1]);
size_t len = tswap32(vptr[2]);
int flags = tswap32(vptr[3]);
void *target_addr = (void *)tswap32(vptr[4]);
socklen_t addrlen = tswap32(vptr[5]);
void *addr = alloca(addrlen);
target_to_host_sockaddr(addr, target_addr, addrlen);
ret = get_errno(sendto(sockfd, msg, len, flags, addr, addrlen));
}
break;
case SOCKOP_recvfrom:
{
int sockfd = tswap32(vptr[0]);
void *msg = (void *)tswap32(vptr[1]);
size_t len = tswap32(vptr[2]);
int flags = tswap32(vptr[3]);
void *target_addr = (void *)tswap32(vptr[4]);
uint32_t *target_addrlen = (void *)tswap32(vptr[5]);
socklen_t addrlen = tswap32(*target_addrlen);
void *addr = alloca(addrlen);
ret = get_errno(recvfrom(sockfd, msg, len, flags, addr, &addrlen));
if (!is_error(ret)) {
host_to_target_sockaddr(target_addr, addr, addrlen);
*target_addrlen = tswap32(addrlen);
}
}
break;
case SOCKOP_shutdown:
{
int sockfd = tswap32(vptr[0]);
int how = tswap32(vptr[1]);
ret = get_errno(shutdown(sockfd, how));
}
break;
case SOCKOP_sendmsg:
case SOCKOP_recvmsg:
{
int fd;
struct target_msghdr *msgp;
struct msghdr msg;
int flags, count, i;
struct iovec *vec;
struct target_iovec *target_vec;
msgp = (void *)tswap32(vptr[1]);
msg.msg_name = (void *)tswapl(msgp->msg_name);
msg.msg_namelen = tswapl(msgp->msg_namelen);
msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
msg.msg_control = alloca(msg.msg_controllen);
msg.msg_flags = tswap32(msgp->msg_flags);
count = tswapl(msgp->msg_iovlen);
vec = alloca(count * sizeof(struct iovec));
target_vec = (void *)tswapl(msgp->msg_iov);
for(i = 0;i < count; i++) {
vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
vec[i].iov_len = tswapl(target_vec[i].iov_len);
}
msg.msg_iovlen = count;
msg.msg_iov = vec;
fd = tswap32(vptr[0]);
flags = tswap32(vptr[2]);
if (num == SOCKOP_sendmsg) {
target_to_host_cmsg(&msg, msgp);
ret = get_errno(sendmsg(fd, &msg, flags));
} else {
ret = get_errno(recvmsg(fd, &msg, flags));
if (!is_error(ret))
host_to_target_cmsg(msgp, &msg);
}
}
break;
case SOCKOP_setsockopt:
{
int sockfd = tswap32(vptr[0]);
int level = tswap32(vptr[1]);
int optname = tswap32(vptr[2]);
void *optval = (void *)tswap32(vptr[3]);
socklen_t optlen = tswap32(vptr[4]);
ret = do_setsockopt(sockfd, level, optname, optval, optlen);
}
break;
case SOCKOP_getsockopt:
{
int sockfd = tswap32(vptr[0]);
int level = tswap32(vptr[1]);
int optname = tswap32(vptr[2]);
void *optval = (void *)tswap32(vptr[3]);
uint32_t *target_len = (void *)tswap32(vptr[4]);
socklen_t optlen = tswap32(*target_len);
ret = do_getsockopt(sockfd, level, optname, optval, &optlen);
if (!is_error(ret))
*target_len = tswap32(optlen);
}
break;
default:
gemu_log("Unsupported socketcall: %d\n", num);
ret = -ENOSYS;
break;
}
return ret;
}
/* kernel structure types definitions */
#define IFNAMSIZ 16
#define STRUCT(name, list...) STRUCT_ ## name,
#define STRUCT_SPECIAL(name) STRUCT_ ## name,
enum {
#include "syscall_types.h"
};
#undef STRUCT
#undef STRUCT_SPECIAL
#define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
#define STRUCT_SPECIAL(name)
#include "syscall_types.h"
#undef STRUCT
#undef STRUCT_SPECIAL
typedef struct IOCTLEntry {
unsigned int target_cmd;
unsigned int host_cmd;
const char *name;
int access;
const argtype arg_type[5];
} IOCTLEntry;
#define IOC_R 0x0001
#define IOC_W 0x0002
#define IOC_RW (IOC_R | IOC_W)
#define MAX_STRUCT_SIZE 4096
IOCTLEntry ioctl_entries[] = {
#define IOCTL(cmd, access, types...) \
{ TARGET_ ## cmd, cmd, #cmd, access, { types } },
#include "ioctls.h"
{ 0, 0, },
};
static long do_ioctl(long fd, long cmd, long arg)
{
const IOCTLEntry *ie;
const argtype *arg_type;
long ret;
uint8_t buf_temp[MAX_STRUCT_SIZE];
ie = ioctl_entries;
for(;;) {
if (ie->target_cmd == 0) {
gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd);
return -ENOSYS;
}
if (ie->target_cmd == cmd)
break;
ie++;
}
arg_type = ie->arg_type;
#if defined(DEBUG)
gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
#endif
switch(arg_type[0]) {
case TYPE_NULL:
/* no argument */
ret = get_errno(ioctl(fd, ie->host_cmd));
break;
case TYPE_PTRVOID:
case TYPE_INT:
/* int argment */
ret = get_errno(ioctl(fd, ie->host_cmd, arg));
break;
case TYPE_PTR:
arg_type++;
switch(ie->access) {
case IOC_R:
ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
if (!is_error(ret)) {
thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET);
}
break;
case IOC_W:
thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST);
ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
break;
default:
case IOC_RW:
thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST);
ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
if (!is_error(ret)) {
thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET);
}
break;
}
break;
default:
gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]);
ret = -ENOSYS;
break;
}
return ret;
}
bitmask_transtbl iflag_tbl[] = {
{ TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
{ TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
{ TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
{ TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
{ TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
{ TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
{ TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
{ TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
{ TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
{ TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
{ TARGET_IXON, TARGET_IXON, IXON, IXON },
{ TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
{ TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
{ TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
{ 0, 0, 0, 0 }
};
bitmask_transtbl oflag_tbl[] = {
{ TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
{ TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
{ TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
{ TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
{ TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
{ TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
{ TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
{ TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
{ TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
{ TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
{ TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
{ TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
{ TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
{ TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
{ TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
{ TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
{ TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
{ TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
{ TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
{ TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
{ TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
{ TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
{ TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
{ TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
{ 0, 0, 0, 0 }
};
bitmask_transtbl cflag_tbl[] = {
{ TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
{ TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
{ TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
{ TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
{ TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
{ TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
{ TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
{ TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
{ TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
{ TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
{ TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
{ TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
{ TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
{ TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
{ TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
{ TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
{ TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
{ TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
{ TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
{ TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
{ TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
{ TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
{ TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
{ TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
{ TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
{ TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
{ TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
{ TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
{ TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
{ TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
{ TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
{ 0, 0, 0, 0 }
};
bitmask_transtbl lflag_tbl[] = {
{ TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
{ TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
{ TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
{ TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
{ TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
{ TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
{ TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
{ TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
{ TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
{ TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
{ TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
{ TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
{ TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
{ TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
{ TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
{ 0, 0, 0, 0 }
};
static void target_to_host_termios (void *dst, const void *src)
{
struct host_termios *host = dst;
const struct target_termios *target = src;
host->c_iflag =
target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
host->c_oflag =
target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
host->c_cflag =
target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
host->c_lflag =
target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
host->c_line = target->c_line;
host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
}
static void host_to_target_termios (void *dst, const void *src)
{
struct target_termios *target = dst;
const struct host_termios *host = src;
target->c_iflag =
tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
target->c_oflag =
tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
target->c_cflag =
tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
target->c_lflag =
tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
target->c_line = host->c_line;
target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
}
StructEntry struct_termios_def = {
.convert = { host_to_target_termios, target_to_host_termios },
.size = { sizeof(struct target_termios), sizeof(struct host_termios) },
.align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
};
static bitmask_transtbl mmap_flags_tbl[] = {
{ TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
{ TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
{ TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
{ TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
{ TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
{ TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
{ TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
{ TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
{ 0, 0, 0, 0 }
};
#if defined(TARGET_I386)
/* NOTE: there is really one LDT for all the threads */
uint8_t *ldt_table;
static int read_ldt(void *ptr, unsigned long bytecount)
{
int size;
if (!ldt_table)
return 0;
size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
if (size > bytecount)
size = bytecount;
memcpy(ptr, ldt_table, size);
return size;
}
/* XXX: add locking support */
static int write_ldt(CPUX86State *env,
void *ptr, unsigned long bytecount, int oldmode)
{
struct target_modify_ldt_ldt_s ldt_info;
int seg_32bit, contents, read_exec_only, limit_in_pages;
int seg_not_present, useable;
uint32_t *lp, entry_1, entry_2;
if (bytecount != sizeof(ldt_info))
return -EINVAL;
memcpy(&ldt_info, ptr, sizeof(ldt_info));
tswap32s(&ldt_info.entry_number);
tswapls((long *)&ldt_info.base_addr);
tswap32s(&ldt_info.limit);
tswap32s(&ldt_info.flags);
if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
return -EINVAL;
seg_32bit = ldt_info.flags & 1;
contents = (ldt_info.flags >> 1) & 3;
read_exec_only = (ldt_info.flags >> 3) & 1;
limit_in_pages = (ldt_info.flags >> 4) & 1;
seg_not_present = (ldt_info.flags >> 5) & 1;
useable = (ldt_info.flags >> 6) & 1;
if (contents == 3) {
if (oldmode)
return -EINVAL;
if (seg_not_present == 0)
return -EINVAL;
}
/* allocate the LDT */
if (!ldt_table) {
ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
if (!ldt_table)
return -ENOMEM;
memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
env->ldt.base = ldt_table;
env->ldt.limit = 0xffff;
}
/* NOTE: same code as Linux kernel */
/* Allow LDTs to be cleared by the user. */
if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
if (oldmode ||
(contents == 0 &&
read_exec_only == 1 &&
seg_32bit == 0 &&
limit_in_pages == 0 &&
seg_not_present == 1 &&
useable == 0 )) {
entry_1 = 0;
entry_2 = 0;
goto install;
}
}
entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
(ldt_info.limit & 0x0ffff);
entry_2 = (ldt_info.base_addr & 0xff000000) |
((ldt_info.base_addr & 0x00ff0000) >> 16) |
(ldt_info.limit & 0xf0000) |
((read_exec_only ^ 1) << 9) |
(contents << 10) |
((seg_not_present ^ 1) << 15) |
(seg_32bit << 22) |
(limit_in_pages << 23) |
0x7000;
if (!oldmode)
entry_2 |= (useable << 20);
/* Install the new entry ... */
install:
lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
lp[0] = tswap32(entry_1);
lp[1] = tswap32(entry_2);
return 0;
}
/* specific and weird i386 syscalls */
int do_modify_ldt(CPUX86State *env, int func, void *ptr, unsigned long bytecount)
{
int ret = -ENOSYS;
switch (func) {
case 0:
ret = read_ldt(ptr, bytecount);
break;
case 1:
ret = write_ldt(env, ptr, bytecount, 1);
break;
case 0x11:
ret = write_ldt(env, ptr, bytecount, 0);
break;
}
return ret;
}
#endif /* defined(TARGET_I386) */
/* this stack is the equivalent of the kernel stack associated with a
thread/process */
#define NEW_STACK_SIZE 8192
static int clone_func(void *arg)
{
CPUState *env = arg;
cpu_loop(env);
/* never exits */
return 0;
}
int do_fork(CPUState *env, unsigned int flags, unsigned long newsp)
{
int ret;
TaskState *ts;
uint8_t *new_stack;
CPUState *new_env;
if (flags & CLONE_VM) {
ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE);
memset(ts, 0, sizeof(TaskState));
new_stack = ts->stack;
ts->used = 1;
/* add in task state list */
ts->next = first_task_state;
first_task_state = ts;
/* we create a new CPU instance. */
new_env = cpu_init();
memcpy(new_env, env, sizeof(CPUState));
#if defined(TARGET_I386)
if (!newsp)
newsp = env->regs[R_ESP];
new_env->regs[R_ESP] = newsp;
new_env->regs[R_EAX] = 0;
#elif defined(TARGET_ARM)
if (!newsp)
newsp = env->regs[13];
new_env->regs[13] = newsp;
new_env->regs[0] = 0;
#elif defined(TARGET_SPARC)
printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
#elif defined(TARGET_PPC)
if (!newsp)
newsp = env->gpr[1];
new_env->gpr[1] = newsp;
{
int i;
for (i = 7; i < 32; i++)
new_env->gpr[i] = 0;
}
#else
#error unsupported target CPU
#endif
new_env->opaque = ts;
#ifdef __ia64__
ret = clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
#else
ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
#endif
} else {
/* if no CLONE_VM, we consider it is a fork */
if ((flags & ~CSIGNAL) != 0)
return -EINVAL;
ret = fork();
}
return ret;
}
static long do_fcntl(int fd, int cmd, unsigned long arg)
{
struct flock fl;
struct target_flock *target_fl = (void *)arg;
long ret;
switch(cmd) {
case TARGET_F_GETLK:
ret = fcntl(fd, cmd, &fl);
if (ret == 0) {
target_fl->l_type = tswap16(fl.l_type);
target_fl->l_whence = tswap16(fl.l_whence);
target_fl->l_start = tswapl(fl.l_start);
target_fl->l_len = tswapl(fl.l_len);
target_fl->l_pid = tswapl(fl.l_pid);
}
break;
case TARGET_F_SETLK:
case TARGET_F_SETLKW:
fl.l_type = tswap16(target_fl->l_type);
fl.l_whence = tswap16(target_fl->l_whence);
fl.l_start = tswapl(target_fl->l_start);
fl.l_len = tswapl(target_fl->l_len);
fl.l_pid = tswapl(target_fl->l_pid);
ret = fcntl(fd, cmd, &fl);
break;
case TARGET_F_GETLK64:
case TARGET_F_SETLK64:
case TARGET_F_SETLKW64:
ret = -1;
errno = EINVAL;
break;
default:
ret = fcntl(fd, cmd, arg);
break;
}
return ret;
}
#ifdef USE_UID16
static inline int high2lowuid(int uid)
{
if (uid > 65535)
return 65534;
else
return uid;
}
static inline int high2lowgid(int gid)
{
if (gid > 65535)
return 65534;
else
return gid;
}
static inline int low2highuid(int uid)
{
if ((int16_t)uid == -1)
return -1;
else
return uid;
}
static inline int low2highgid(int gid)
{
if ((int16_t)gid == -1)
return -1;
else
return gid;
}
#endif /* USE_UID16 */
void syscall_init(void)
{
IOCTLEntry *ie;
const argtype *arg_type;
int size;
#define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
#include "syscall_types.h"
#undef STRUCT
#undef STRUCT_SPECIAL
/* we patch the ioctl size if necessary. We rely on the fact that
no ioctl has all the bits at '1' in the size field */
ie = ioctl_entries;
while (ie->target_cmd != 0) {
if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
TARGET_IOC_SIZEMASK) {
arg_type = ie->arg_type;
if (arg_type[0] != TYPE_PTR) {
fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
ie->target_cmd);
exit(1);
}
arg_type++;
size = thunk_type_size(arg_type, 0);
ie->target_cmd = (ie->target_cmd &
~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
(size << TARGET_IOC_SIZESHIFT);
}
/* automatic consistency check if same arch */
#if defined(__i386__) && defined(TARGET_I386)
if (ie->target_cmd != ie->host_cmd) {
fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n",
ie->target_cmd, ie->host_cmd);
}
#endif
ie++;
}
}
long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
long arg4, long arg5, long arg6)
{
long ret;
struct stat st;
struct kernel_statfs *stfs;
#ifdef DEBUG
gemu_log("syscall %d", num);
#endif
switch(num) {
case TARGET_NR_exit:
#ifdef HAVE_GPROF
_mcleanup();
#endif
/* XXX: should free thread stack and CPU env */
_exit(arg1);
ret = 0; /* avoid warning */
break;
case TARGET_NR_read:
page_unprotect_range((void *)arg2, arg3);
ret = get_errno(read(arg1, (void *)arg2, arg3));
break;
case TARGET_NR_write:
ret = get_errno(write(arg1, (void *)arg2, arg3));
break;
case TARGET_NR_open:
ret = get_errno(open(path((const char *)arg1), arg2, arg3));
break;
case TARGET_NR_close:
ret = get_errno(close(arg1));
break;
case TARGET_NR_brk:
ret = do_brk((char *)arg1);
break;
case TARGET_NR_fork:
ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
break;
case TARGET_NR_waitpid:
{
int *status = (int *)arg2;
ret = get_errno(waitpid(arg1, status, arg3));
if (!is_error(ret) && status)
tswapls((long *)&status);
}
break;
case TARGET_NR_creat:
ret = get_errno(creat((const char *)arg1, arg2));
break;
case TARGET_NR_link:
ret = get_errno(link((const char *)arg1, (const char *)arg2));
break;
case TARGET_NR_unlink:
ret = get_errno(unlink((const char *)arg1));
break;
case TARGET_NR_execve:
{
char **argp, **envp;
int argc, envc;
uint32_t *p;
char **q;
argc = 0;
for (p = (void *)arg2; *p; p++)
argc++;
envc = 0;
for (p = (void *)arg3; *p; p++)
envc++;
argp = alloca((argc + 1) * sizeof(void *));
envp = alloca((envc + 1) * sizeof(void *));
for (p = (void *)arg2, q = argp; *p; p++, q++)
*q = (void *)tswap32(*p);
*q = NULL;
for (p = (void *)arg3, q = envp; *p; p++, q++)
*q = (void *)tswap32(*p);
*q = NULL;
ret = get_errno(execve((const char *)arg1, argp, envp));
}
break;
case TARGET_NR_chdir:
ret = get_errno(chdir((const char *)arg1));
break;
case TARGET_NR_time:
{
int *time_ptr = (int *)arg1;
ret = get_errno(time((time_t *)time_ptr));
if (!is_error(ret) && time_ptr)
tswap32s(time_ptr);
}
break;
case TARGET_NR_mknod:
ret = get_errno(mknod((const char *)arg1, arg2, arg3));
break;
case TARGET_NR_chmod:
ret = get_errno(chmod((const char *)arg1, arg2));
break;
#ifdef TARGET_NR_break
case TARGET_NR_break:
goto unimplemented;
#endif
#ifdef TARGET_NR_oldstat
case TARGET_NR_oldstat:
goto unimplemented;
#endif
case TARGET_NR_lseek:
ret = get_errno(lseek(arg1, arg2, arg3));
break;
case TARGET_NR_getpid:
ret = get_errno(getpid());
break;
case TARGET_NR_mount:
/* need to look at the data field */
goto unimplemented;
case TARGET_NR_umount:
ret = get_errno(umount((const char *)arg1));
break;
case TARGET_NR_stime:
{
int *time_ptr = (int *)arg1;
if (time_ptr)
tswap32s(time_ptr);
ret = get_errno(stime((time_t *)time_ptr));
}
break;
case TARGET_NR_ptrace:
goto unimplemented;
case TARGET_NR_alarm:
ret = alarm(arg1);
break;
#ifdef TARGET_NR_oldfstat
case TARGET_NR_oldfstat:
goto unimplemented;
#endif
case TARGET_NR_pause:
ret = get_errno(pause());
break;
case TARGET_NR_utime:
{
struct utimbuf tbuf;
struct target_utimbuf *target_tbuf = (void *)arg2;
tbuf.actime = tswapl(target_tbuf->actime);
tbuf.modtime = tswapl(target_tbuf->modtime);
ret = get_errno(utime((const char *)arg1, &tbuf));
}
break;
#ifdef TARGET_NR_stty
case TARGET_NR_stty:
goto unimplemented;
#endif
#ifdef TARGET_NR_gtty
case TARGET_NR_gtty:
goto unimplemented;
#endif
case TARGET_NR_access:
ret = get_errno(access((const char *)arg1, arg2));
break;
case TARGET_NR_nice:
ret = get_errno(nice(arg1));
break;
#ifdef TARGET_NR_ftime
case TARGET_NR_ftime:
goto unimplemented;
#endif
case TARGET_NR_sync:
sync();
ret = 0;
break;
case TARGET_NR_kill:
ret = get_errno(kill(arg1, arg2));
break;
case TARGET_NR_rename:
ret = get_errno(rename((const char *)arg1, (const char *)arg2));
break;
case TARGET_NR_mkdir:
ret = get_errno(mkdir((const char *)arg1, arg2));
break;
case TARGET_NR_rmdir:
ret = get_errno(rmdir((const char *)arg1));
break;
case TARGET_NR_dup:
ret = get_errno(dup(arg1));
break;
case TARGET_NR_pipe:
{
int *pipe_ptr = (int *)arg1;
ret = get_errno(pipe(pipe_ptr));
if (!is_error(ret)) {
tswap32s(&pipe_ptr[0]);
tswap32s(&pipe_ptr[1]);
}
}
break;
case TARGET_NR_times:
{
struct target_tms *tmsp = (void *)arg1;
struct tms tms;
ret = get_errno(times(&tms));
if (tmsp) {
tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
}
if (!is_error(ret))
ret = host_to_target_clock_t(ret);
}
break;
#ifdef TARGET_NR_prof
case TARGET_NR_prof:
goto unimplemented;
#endif
case TARGET_NR_signal:
goto unimplemented;
case TARGET_NR_acct:
goto unimplemented;
case TARGET_NR_umount2:
ret = get_errno(umount2((const char *)arg1, arg2));
break;
#ifdef TARGET_NR_lock
case TARGET_NR_lock:
goto unimplemented;
#endif
case TARGET_NR_ioctl:
ret = do_ioctl(arg1, arg2, arg3);
break;
case TARGET_NR_fcntl:
ret = get_errno(do_fcntl(arg1, arg2, arg3));
break;
#ifdef TARGET_NR_mpx
case TARGET_NR_mpx:
goto unimplemented;
#endif
case TARGET_NR_setpgid:
ret = get_errno(setpgid(arg1, arg2));
break;
#ifdef TARGET_NR_ulimit
case TARGET_NR_ulimit:
goto unimplemented;
#endif
#ifdef TARGET_NR_oldolduname
case TARGET_NR_oldolduname:
goto unimplemented;
#endif
case TARGET_NR_umask:
ret = get_errno(umask(arg1));
break;
case TARGET_NR_chroot:
ret = get_errno(chroot((const char *)arg1));
break;
case TARGET_NR_ustat:
goto unimplemented;
case TARGET_NR_dup2:
ret = get_errno(dup2(arg1, arg2));
break;
case TARGET_NR_getppid:
ret = get_errno(getppid());
break;
case TARGET_NR_getpgrp:
ret = get_errno(getpgrp());
break;
case TARGET_NR_setsid:
ret = get_errno(setsid());
break;
case TARGET_NR_sigaction:
{
struct target_old_sigaction *old_act = (void *)arg2;
struct target_old_sigaction *old_oact = (void *)arg3;
struct target_sigaction act, oact, *pact;
if (old_act) {
act._sa_handler = old_act->_sa_handler;
target_siginitset(&act.sa_mask, old_act->sa_mask);
act.sa_flags = old_act->sa_flags;
act.sa_restorer = old_act->sa_restorer;
pact = &act;
} else {
pact = NULL;
}
ret = get_errno(do_sigaction(arg1, pact, &oact));
if (!is_error(ret) && old_oact) {
old_oact->_sa_handler = oact._sa_handler;
old_oact->sa_mask = oact.sa_mask.sig[0];
old_oact->sa_flags = oact.sa_flags;
old_oact->sa_restorer = oact.sa_restorer;
}
}
break;
case TARGET_NR_rt_sigaction:
ret = get_errno(do_sigaction(arg1, (void *)arg2, (void *)arg3));
break;
case TARGET_NR_sgetmask:
{
sigset_t cur_set;
target_ulong target_set;
sigprocmask(0, NULL, &cur_set);
host_to_target_old_sigset(&target_set, &cur_set);
ret = target_set;
}
break;
case TARGET_NR_ssetmask:
{
sigset_t set, oset, cur_set;
target_ulong target_set = arg1;
sigprocmask(0, NULL, &cur_set);
target_to_host_old_sigset(&set, &target_set);
sigorset(&set, &set, &cur_set);
sigprocmask(SIG_SETMASK, &set, &oset);
host_to_target_old_sigset(&target_set, &oset);
ret = target_set;
}
break;
case TARGET_NR_sigprocmask:
{
int how = arg1;
sigset_t set, oldset, *set_ptr;
target_ulong *pset = (void *)arg2, *poldset = (void *)arg3;
if (pset) {
switch(how) {
case TARGET_SIG_BLOCK:
how = SIG_BLOCK;
break;
case TARGET_SIG_UNBLOCK:
how = SIG_UNBLOCK;
break;
case TARGET_SIG_SETMASK:
how = SIG_SETMASK;
break;
default:
ret = -EINVAL;
goto fail;
}
target_to_host_old_sigset(&set, pset);
set_ptr = &set;
} else {
how = 0;
set_ptr = NULL;
}
ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
if (!is_error(ret) && poldset) {
host_to_target_old_sigset(poldset, &oldset);
}
}
break;
case TARGET_NR_rt_sigprocmask:
{
int how = arg1;
sigset_t set, oldset, *set_ptr;
target_sigset_t *pset = (void *)arg2;
target_sigset_t *poldset = (void *)arg3;
if (pset) {
switch(how) {
case TARGET_SIG_BLOCK:
how = SIG_BLOCK;
break;
case TARGET_SIG_UNBLOCK:
how = SIG_UNBLOCK;
break;
case TARGET_SIG_SETMASK:
how = SIG_SETMASK;
break;
default:
ret = -EINVAL;
goto fail;
}
target_to_host_sigset(&set, pset);
set_ptr = &set;
} else {
how = 0;
set_ptr = NULL;
}
ret = get_errno(sigprocmask(how, set_ptr, &oldset));
if (!is_error(ret) && poldset) {
host_to_target_sigset(poldset, &oldset);
}
}
break;
case TARGET_NR_sigpending:
{
sigset_t set;
ret = get_errno(sigpending(&set));
if (!is_error(ret)) {
host_to_target_old_sigset((target_ulong *)arg1, &set);
}
}
break;
case TARGET_NR_rt_sigpending:
{
sigset_t set;
ret = get_errno(sigpending(&set));
if (!is_error(ret)) {
host_to_target_sigset((target_sigset_t *)arg1, &set);
}
}
break;
case TARGET_NR_sigsuspend:
{
sigset_t set;
target_to_host_old_sigset(&set, (target_ulong *)arg1);
ret = get_errno(sigsuspend(&set));
}
break;
case TARGET_NR_rt_sigsuspend:
{
sigset_t set;
target_to_host_sigset(&set, (target_sigset_t *)arg1);
ret = get_errno(sigsuspend(&set));
}
break;
case TARGET_NR_rt_sigtimedwait:
{
target_sigset_t *target_set = (void *)arg1;
target_siginfo_t *target_uinfo = (void *)arg2;
struct target_timespec *target_uts = (void *)arg3;
sigset_t set;
struct timespec uts, *puts;
siginfo_t uinfo;
target_to_host_sigset(&set, target_set);
if (target_uts) {
puts = &uts;
puts->tv_sec = tswapl(target_uts->tv_sec);
puts->tv_nsec = tswapl(target_uts->tv_nsec);
} else {
puts = NULL;
}
ret = get_errno(sigtimedwait(&set, &uinfo, puts));
if (!is_error(ret) && target_uinfo) {
host_to_target_siginfo(target_uinfo, &uinfo);
}
}
break;
case TARGET_NR_rt_sigqueueinfo:
{
siginfo_t uinfo;
target_to_host_siginfo(&uinfo, (target_siginfo_t *)arg3);
ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
}
break;
case TARGET_NR_sigreturn:
/* NOTE: ret is eax, so not transcoding must be done */
ret = do_sigreturn(cpu_env);
break;
case TARGET_NR_rt_sigreturn:
/* NOTE: ret is eax, so not transcoding must be done */
ret = do_rt_sigreturn(cpu_env);
break;
case TARGET_NR_sethostname:
ret = get_errno(sethostname((const char *)arg1, arg2));
break;
case TARGET_NR_setrlimit:
{
/* XXX: convert resource ? */
int resource = arg1;
struct target_rlimit *target_rlim = (void *)arg2;
struct rlimit rlim;
rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
rlim.rlim_max = tswapl(target_rlim->rlim_max);
ret = get_errno(setrlimit(resource, &rlim));
}
break;
case TARGET_NR_getrlimit:
{
/* XXX: convert resource ? */
int resource = arg1;
struct target_rlimit *target_rlim = (void *)arg2;
struct rlimit rlim;
ret = get_errno(getrlimit(resource, &rlim));
if (!is_error(ret)) {
target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
target_rlim->rlim_max = tswapl(rlim.rlim_max);
}
}
break;
case TARGET_NR_getrusage:
{
struct rusage rusage;
struct target_rusage *target_rusage = (void *)arg2;
ret = get_errno(getrusage(arg1, &rusage));
if (!is_error(ret)) {
host_to_target_rusage(target_rusage, &rusage);
}
}
break;
case TARGET_NR_gettimeofday:
{
struct target_timeval *target_tv = (void *)arg1;
struct timeval tv;
ret = get_errno(gettimeofday(&tv, NULL));
if (!is_error(ret)) {
host_to_target_timeval(target_tv, &tv);
}
}
break;
case TARGET_NR_settimeofday:
{
struct target_timeval *target_tv = (void *)arg1;
struct timeval tv;
target_to_host_timeval(&tv, target_tv);
ret = get_errno(settimeofday(&tv, NULL));
}
break;
case TARGET_NR_select:
{
struct target_sel_arg_struct *sel = (void *)arg1;
sel->n = tswapl(sel->n);
sel->inp = tswapl(sel->inp);
sel->outp = tswapl(sel->outp);
sel->exp = tswapl(sel->exp);
sel->tvp = tswapl(sel->tvp);
ret = do_select(sel->n, (void *)sel->inp, (void *)sel->outp,
(void *)sel->exp, (void *)sel->tvp);
}
break;
case TARGET_NR_symlink:
ret = get_errno(symlink((const char *)arg1, (const char *)arg2));
break;
#ifdef TARGET_NR_oldlstat
case TARGET_NR_oldlstat:
goto unimplemented;
#endif
case TARGET_NR_readlink:
ret = get_errno(readlink(path((const char *)arg1), (char *)arg2, arg3));
break;
case TARGET_NR_uselib:
goto unimplemented;
case TARGET_NR_swapon:
ret = get_errno(swapon((const char *)arg1, arg2));
break;
case TARGET_NR_reboot:
goto unimplemented;
case TARGET_NR_readdir:
goto unimplemented;
case TARGET_NR_mmap:
#if defined(TARGET_I386) || defined(TARGET_ARM)
{
uint32_t v1, v2, v3, v4, v5, v6, *vptr;
vptr = (uint32_t *)arg1;
v1 = tswap32(vptr[0]);
v2 = tswap32(vptr[1]);
v3 = tswap32(vptr[2]);
v4 = tswap32(vptr[3]);
v5 = tswap32(vptr[4]);
v6 = tswap32(vptr[5]);
ret = get_errno(target_mmap(v1, v2, v3,
target_to_host_bitmask(v4, mmap_flags_tbl),
v5, v6));
}
#else
ret = get_errno(target_mmap(arg1, arg2, arg3,
target_to_host_bitmask(arg4, mmap_flags_tbl),
arg5,
arg6));
#endif
break;
case TARGET_NR_mmap2:
#if defined(TARGET_SPARC)
#define MMAP_SHIFT 12
#else
#define MMAP_SHIFT TARGET_PAGE_BITS
#endif
ret = get_errno(target_mmap(arg1, arg2, arg3,
target_to_host_bitmask(arg4, mmap_flags_tbl),
arg5,
arg6 << MMAP_SHIFT));
break;
case TARGET_NR_munmap:
ret = get_errno(target_munmap(arg1, arg2));
break;
case TARGET_NR_mprotect:
ret = get_errno(target_mprotect(arg1, arg2, arg3));
break;
case TARGET_NR_mremap:
ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
break;
case TARGET_NR_msync:
ret = get_errno(msync((void *)arg1, arg2, arg3));
break;
case TARGET_NR_mlock:
ret = get_errno(mlock((void *)arg1, arg2));
break;
case TARGET_NR_munlock:
ret = get_errno(munlock((void *)arg1, arg2));
break;
case TARGET_NR_mlockall:
ret = get_errno(mlockall(arg1));
break;
case TARGET_NR_munlockall:
ret = get_errno(munlockall());
break;
case TARGET_NR_truncate:
ret = get_errno(truncate((const char *)arg1, arg2));
break;
case TARGET_NR_ftruncate:
ret = get_errno(ftruncate(arg1, arg2));
break;
case TARGET_NR_fchmod:
ret = get_errno(fchmod(arg1, arg2));
break;
case TARGET_NR_getpriority:
ret = get_errno(getpriority(arg1, arg2));
break;
case TARGET_NR_setpriority:
ret = get_errno(setpriority(arg1, arg2, arg3));
break;
#ifdef TARGET_NR_profil
case TARGET_NR_profil:
goto unimplemented;
#endif
case TARGET_NR_statfs:
stfs = (void *)arg2;
ret = get_errno(sys_statfs(path((const char *)arg1), stfs));
convert_statfs:
if (!is_error(ret)) {
tswap32s(&stfs->f_type);
tswap32s(&stfs->f_bsize);
tswap32s(&stfs->f_blocks);
tswap32s(&stfs->f_bfree);
tswap32s(&stfs->f_bavail);
tswap32s(&stfs->f_files);
tswap32s(&stfs->f_ffree);
tswap32s(&stfs->f_fsid.val[0]);
tswap32s(&stfs->f_fsid.val[1]);
tswap32s(&stfs->f_namelen);
}
break;
case TARGET_NR_fstatfs:
stfs = (void *)arg2;
ret = get_errno(sys_fstatfs(arg1, stfs));
goto convert_statfs;
#ifdef TARGET_NR_ioperm
case TARGET_NR_ioperm:
goto unimplemented;
#endif
case TARGET_NR_socketcall:
ret = do_socketcall(arg1, (int32_t *)arg2);
break;
case TARGET_NR_syslog:
goto unimplemented;
case TARGET_NR_setitimer:
{
struct target_itimerval *target_value = (void *)arg2;
struct target_itimerval *target_ovalue = (void *)arg3;
struct itimerval value, ovalue, *pvalue;
if (target_value) {
pvalue = &value;
target_to_host_timeval(&pvalue->it_interval,
&target_value->it_interval);
target_to_host_timeval(&pvalue->it_value,
&target_value->it_value);
} else {
pvalue = NULL;
}
ret = get_errno(setitimer(arg1, pvalue, &ovalue));
if (!is_error(ret) && target_ovalue) {
host_to_target_timeval(&target_ovalue->it_interval,
&ovalue.it_interval);
host_to_target_timeval(&target_ovalue->it_value,
&ovalue.it_value);
}
}
break;
case TARGET_NR_getitimer:
{
struct target_itimerval *target_value = (void *)arg2;
struct itimerval value;
ret = get_errno(getitimer(arg1, &value));
if (!is_error(ret) && target_value) {
host_to_target_timeval(&target_value->it_interval,
&value.it_interval);
host_to_target_timeval(&target_value->it_value,
&value.it_value);
}
}
break;
case TARGET_NR_stat:
ret = get_errno(stat(path((const char *)arg1), &st));
goto do_stat;
case TARGET_NR_lstat:
ret = get_errno(lstat(path((const char *)arg1), &st));
goto do_stat;
case TARGET_NR_fstat:
{
ret = get_errno(fstat(arg1, &st));
do_stat:
if (!is_error(ret)) {
struct target_stat *target_st = (void *)arg2;
target_st->st_dev = tswap16(st.st_dev);
target_st->st_ino = tswapl(st.st_ino);
#if defined(TARGET_PPC)
target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */
target_st->st_uid = tswap32(st.st_uid);
target_st->st_gid = tswap32(st.st_gid);
#else
target_st->st_mode = tswap16(st.st_mode);
target_st->st_uid = tswap16(st.st_uid);
target_st->st_gid = tswap16(st.st_gid);
#endif
target_st->st_nlink = tswap16(st.st_nlink);
target_st->st_rdev = tswap16(st.st_rdev);
target_st->st_size = tswapl(st.st_size);
target_st->st_blksize = tswapl(st.st_blksize);
target_st->st_blocks = tswapl(st.st_blocks);
target_st->target_st_atime = tswapl(st.st_atime);
target_st->target_st_mtime = tswapl(st.st_mtime);
target_st->target_st_ctime = tswapl(st.st_ctime);
}
}
break;
#ifdef TARGET_NR_olduname
case TARGET_NR_olduname:
goto unimplemented;
#endif
#ifdef TARGET_NR_iopl
case TARGET_NR_iopl:
goto unimplemented;
#endif
case TARGET_NR_vhangup:
ret = get_errno(vhangup());
break;
#ifdef TARGET_NR_idle
case TARGET_NR_idle:
goto unimplemented;
#endif
case TARGET_NR_wait4:
{
int status;
target_long *status_ptr = (void *)arg2;
struct rusage rusage, *rusage_ptr;
struct target_rusage *target_rusage = (void *)arg4;
if (target_rusage)
rusage_ptr = &rusage;
else
rusage_ptr = NULL;
ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
if (!is_error(ret)) {
if (status_ptr)
*status_ptr = tswap32(status);
if (target_rusage) {
host_to_target_rusage(target_rusage, &rusage);
}
}
}
break;
case TARGET_NR_swapoff:
ret = get_errno(swapoff((const char *)arg1));
break;
case TARGET_NR_sysinfo:
goto unimplemented;
case TARGET_NR_ipc:
goto unimplemented;
case TARGET_NR_fsync:
ret = get_errno(fsync(arg1));
break;
case TARGET_NR_clone:
ret = get_errno(do_fork(cpu_env, arg1, arg2));
break;
#ifdef __NR_exit_group
/* new thread calls */
case TARGET_NR_exit_group:
ret = get_errno(exit_group(arg1));
break;
#endif
case TARGET_NR_setdomainname:
ret = get_errno(setdomainname((const char *)arg1, arg2));
break;
case TARGET_NR_uname:
/* no need to transcode because we use the linux syscall */
ret = get_errno(sys_uname((struct new_utsname *)arg1));
break;
#ifdef TARGET_I386
case TARGET_NR_modify_ldt:
ret = get_errno(do_modify_ldt(cpu_env, arg1, (void *)arg2, arg3));
break;
case TARGET_NR_vm86old:
goto unimplemented;
case TARGET_NR_vm86:
ret = do_vm86(cpu_env, arg1, (void *)arg2);
break;
#endif
case TARGET_NR_adjtimex:
goto unimplemented;
case TARGET_NR_create_module:
case TARGET_NR_init_module:
case TARGET_NR_delete_module:
case TARGET_NR_get_kernel_syms:
goto unimplemented;
case TARGET_NR_quotactl:
goto unimplemented;
case TARGET_NR_getpgid:
ret = get_errno(getpgid(arg1));
break;
case TARGET_NR_fchdir:
ret = get_errno(fchdir(arg1));
break;
case TARGET_NR_bdflush:
goto unimplemented;
case TARGET_NR_sysfs:
goto unimplemented;
case TARGET_NR_personality:
ret = get_errno(personality(arg1));
break;
case TARGET_NR_afs_syscall:
goto unimplemented;
case TARGET_NR__llseek:
{
int64_t res;
ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
*(int64_t *)arg4 = tswap64(res);
}
break;
case TARGET_NR_getdents:
#if TARGET_LONG_SIZE != 4
#error not supported
#elif TARGET_LONG_SIZE == 4 && HOST_LONG_SIZE == 8
{
struct target_dirent *target_dirp = (void *)arg2;
struct dirent *dirp;
long count = arg3;
dirp = malloc(count);
if (!dirp)
return -ENOMEM;
ret = get_errno(sys_getdents(arg1, dirp, count));
if (!is_error(ret)) {
struct dirent *de;
struct target_dirent *tde;
int len = ret;
int reclen, treclen;
int count1, tnamelen;
count1 = 0;
de = dirp;
tde = target_dirp;
while (len > 0) {
reclen = de->d_reclen;
treclen = reclen - (2 * (sizeof(long) - sizeof(target_long)));
tde->d_reclen = tswap16(treclen);
tde->d_ino = tswapl(de->d_ino);
tde->d_off = tswapl(de->d_off);
tnamelen = treclen - (2 * sizeof(target_long) + 2);
if (tnamelen > 256)
tnamelen = 256;
strncpy(tde->d_name, de->d_name, tnamelen);
de = (struct dirent *)((char *)de + reclen);
len -= reclen;
tde = (struct dirent *)((char *)tde + treclen);
count1 += treclen;
}
ret = count1;
}
free(dirp);
}
#else
{
struct dirent *dirp = (void *)arg2;
long count = arg3;
ret = get_errno(sys_getdents(arg1, dirp, count));
if (!is_error(ret)) {
struct dirent *de;
int len = ret;
int reclen;
de = dirp;
while (len > 0) {
reclen = de->d_reclen;
if (reclen > len)
break;
de->d_reclen = tswap16(reclen);
tswapls(&de->d_ino);
tswapls(&de->d_off);
de = (struct dirent *)((char *)de + reclen);
len -= reclen;
}
}
}
#endif
break;
case TARGET_NR_getdents64:
{
struct dirent64 *dirp = (void *)arg2;
long count = arg3;
ret = get_errno(sys_getdents64(arg1, dirp, count));
if (!is_error(ret)) {
struct dirent64 *de;
int len = ret;
int reclen;
de = dirp;
while (len > 0) {
reclen = de->d_reclen;
if (reclen > len)
break;
de->d_reclen = tswap16(reclen);
tswap64s(&de->d_ino);
tswap64s(&de->d_off);
de = (struct dirent64 *)((char *)de + reclen);
len -= reclen;
}
}
}
break;
case TARGET_NR__newselect:
ret = do_select(arg1, (void *)arg2, (void *)arg3, (void *)arg4,
(void *)arg5);
break;
case TARGET_NR_poll:
{
struct target_pollfd *target_pfd = (void *)arg1;
unsigned int nfds = arg2;
int timeout = arg3;
struct pollfd *pfd;
unsigned int i;
pfd = alloca(sizeof(struct pollfd) * nfds);
for(i = 0; i < nfds; i++) {
pfd[i].fd = tswap32(target_pfd[i].fd);
pfd[i].events = tswap16(target_pfd[i].events);
}
ret = get_errno(poll(pfd, nfds, timeout));
if (!is_error(ret)) {
for(i = 0; i < nfds; i++) {
target_pfd[i].revents = tswap16(pfd[i].revents);
}
}
}
break;
case TARGET_NR_flock:
/* NOTE: the flock constant seems to be the same for every
Linux platform */
ret = get_errno(flock(arg1, arg2));
break;
case TARGET_NR_readv:
{
int count = arg3;
int i;
struct iovec *vec;
struct target_iovec *target_vec = (void *)arg2;
vec = alloca(count * sizeof(struct iovec));
for(i = 0;i < count; i++) {
vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
vec[i].iov_len = tswapl(target_vec[i].iov_len);
}
ret = get_errno(readv(arg1, vec, count));
}
break;
case TARGET_NR_writev:
{
int count = arg3;
int i;
struct iovec *vec;
struct target_iovec *target_vec = (void *)arg2;
vec = alloca(count * sizeof(struct iovec));
for(i = 0;i < count; i++) {
vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
vec[i].iov_len = tswapl(target_vec[i].iov_len);
}
ret = get_errno(writev(arg1, vec, count));
}
break;
case TARGET_NR_getsid:
ret = get_errno(getsid(arg1));
break;
case TARGET_NR_fdatasync:
ret = get_errno(fdatasync(arg1));
break;
case TARGET_NR__sysctl:
goto unimplemented;
case TARGET_NR_sched_setparam:
{
struct sched_param *target_schp = (void *)arg2;
struct sched_param schp;
schp.sched_priority = tswap32(target_schp->sched_priority);
ret = get_errno(sched_setparam(arg1, &schp));
}
break;
case TARGET_NR_sched_getparam:
{
struct sched_param *target_schp = (void *)arg2;
struct sched_param schp;
ret = get_errno(sched_getparam(arg1, &schp));
if (!is_error(ret)) {
target_schp->sched_priority = tswap32(schp.sched_priority);
}
}
break;
case TARGET_NR_sched_setscheduler:
{
struct sched_param *target_schp = (void *)arg3;
struct sched_param schp;
schp.sched_priority = tswap32(target_schp->sched_priority);
ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
}
break;
case TARGET_NR_sched_getscheduler:
ret = get_errno(sched_getscheduler(arg1));
break;
case TARGET_NR_sched_yield:
ret = get_errno(sched_yield());
break;
case TARGET_NR_sched_get_priority_max:
ret = get_errno(sched_get_priority_max(arg1));
break;
case TARGET_NR_sched_get_priority_min:
ret = get_errno(sched_get_priority_min(arg1));
break;
case TARGET_NR_sched_rr_get_interval:
{
struct target_timespec *target_ts = (void *)arg2;
struct timespec ts;
ret = get_errno(sched_rr_get_interval(arg1, &ts));
if (!is_error(ret)) {
target_ts->tv_sec = tswapl(ts.tv_sec);
target_ts->tv_nsec = tswapl(ts.tv_nsec);
}
}
break;
case TARGET_NR_nanosleep:
{
struct target_timespec *target_req = (void *)arg1;
struct target_timespec *target_rem = (void *)arg2;
struct timespec req, rem;
req.tv_sec = tswapl(target_req->tv_sec);
req.tv_nsec = tswapl(target_req->tv_nsec);
ret = get_errno(nanosleep(&req, &rem));
if (is_error(ret) && target_rem) {
target_rem->tv_sec = tswapl(rem.tv_sec);
target_rem->tv_nsec = tswapl(rem.tv_nsec);
}
}
break;
case TARGET_NR_query_module:
goto unimplemented;
case TARGET_NR_nfsservctl:
goto unimplemented;
case TARGET_NR_prctl:
goto unimplemented;
#ifdef TARGET_NR_pread
case TARGET_NR_pread:
page_unprotect_range((void *)arg2, arg3);
ret = get_errno(pread(arg1, (void *)arg2, arg3, arg4));
break;
case TARGET_NR_pwrite:
ret = get_errno(pwrite(arg1, (void *)arg2, arg3, arg4));
break;
#endif
case TARGET_NR_getcwd:
ret = get_errno(sys_getcwd1((char *)arg1, arg2));
break;
case TARGET_NR_capget:
goto unimplemented;
case TARGET_NR_capset:
goto unimplemented;
case TARGET_NR_sigaltstack:
goto unimplemented;
case TARGET_NR_sendfile:
goto unimplemented;
#ifdef TARGET_NR_getpmsg
case TARGET_NR_getpmsg:
goto unimplemented;
#endif
#ifdef TARGET_NR_putpmsg
case TARGET_NR_putpmsg:
goto unimplemented;
#endif
case TARGET_NR_vfork:
ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
break;
#ifdef TARGET_NR_ugetrlimit
case TARGET_NR_ugetrlimit:
{
struct rlimit rlim;
ret = get_errno(getrlimit(arg1, &rlim));
if (!is_error(ret)) {
struct target_rlimit *target_rlim = (void *)arg2;
target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
target_rlim->rlim_max = tswapl(rlim.rlim_max);
}
break;
}
#endif
case TARGET_NR_truncate64:
goto unimplemented;
case TARGET_NR_ftruncate64:
goto unimplemented;
case TARGET_NR_stat64:
ret = get_errno(stat(path((const char *)arg1), &st));
goto do_stat64;
case TARGET_NR_lstat64:
ret = get_errno(lstat(path((const char *)arg1), &st));
goto do_stat64;
case TARGET_NR_fstat64:
{
ret = get_errno(fstat(arg1, &st));
do_stat64:
if (!is_error(ret)) {
struct target_stat64 *target_st = (void *)arg2;
memset(target_st, 0, sizeof(struct target_stat64));
put_user(st.st_dev, &target_st->st_dev);
put_user(st.st_ino, &target_st->st_ino);
#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
put_user(st.st_ino, &target_st->__st_ino);
#endif
put_user(st.st_mode, &target_st->st_mode);
put_user(st.st_nlink, &target_st->st_nlink);
put_user(st.st_uid, &target_st->st_uid);
put_user(st.st_gid, &target_st->st_gid);
put_user(st.st_rdev, &target_st->st_rdev);
/* XXX: better use of kernel struct */
put_user(st.st_size, &target_st->st_size);
put_user(st.st_blksize, &target_st->st_blksize);
put_user(st.st_blocks, &target_st->st_blocks);
put_user(st.st_atime, &target_st->target_st_atime);
put_user(st.st_mtime, &target_st->target_st_mtime);
put_user(st.st_ctime, &target_st->target_st_ctime);
}
}
break;
#ifdef USE_UID16
case TARGET_NR_lchown:
ret = get_errno(lchown((const char *)arg1, low2highuid(arg2), low2highgid(arg3)));
break;
case TARGET_NR_getuid:
ret = get_errno(high2lowuid(getuid()));
break;
case TARGET_NR_getgid:
ret = get_errno(high2lowgid(getgid()));
break;
case TARGET_NR_geteuid:
ret = get_errno(high2lowuid(geteuid()));
break;
case TARGET_NR_getegid:
ret = get_errno(high2lowgid(getegid()));
break;
case TARGET_NR_setreuid:
ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
break;
case TARGET_NR_setregid:
ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
break;
case TARGET_NR_getgroups:
{
int gidsetsize = arg1;
uint16_t *target_grouplist = (void *)arg2;
gid_t *grouplist;
int i;
grouplist = alloca(gidsetsize * sizeof(gid_t));
ret = get_errno(getgroups(gidsetsize, grouplist));
if (!is_error(ret)) {
for(i = 0;i < gidsetsize; i++)
target_grouplist[i] = tswap16(grouplist[i]);
}
}
break;
case TARGET_NR_setgroups:
{
int gidsetsize = arg1;
uint16_t *target_grouplist = (void *)arg2;
gid_t *grouplist;
int i;
grouplist = alloca(gidsetsize * sizeof(gid_t));
for(i = 0;i < gidsetsize; i++)
grouplist[i] = tswap16(target_grouplist[i]);
ret = get_errno(setgroups(gidsetsize, grouplist));
}
break;
case TARGET_NR_fchown:
ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
break;
#ifdef TARGET_NR_setresuid
case TARGET_NR_setresuid:
ret = get_errno(setresuid(low2highuid(arg1),
low2highuid(arg2),
low2highuid(arg3)));
break;
#endif
#ifdef TARGET_NR_getresuid
case TARGET_NR_getresuid:
{
int ruid, euid, suid;
ret = get_errno(getresuid(&ruid, &euid, &suid));
if (!is_error(ret)) {
*(uint16_t *)arg1 = tswap16(high2lowuid(ruid));
*(uint16_t *)arg2 = tswap16(high2lowuid(euid));
*(uint16_t *)arg3 = tswap16(high2lowuid(suid));
}
}
break;
#endif
#ifdef TARGET_NR_getresgid
case TARGET_NR_setresgid:
ret = get_errno(setresgid(low2highgid(arg1),
low2highgid(arg2),
low2highgid(arg3)));
break;
#endif
#ifdef TARGET_NR_getresgid
case TARGET_NR_getresgid:
{
int rgid, egid, sgid;
ret = get_errno(getresgid(&rgid, &egid, &sgid));
if (!is_error(ret)) {
*(uint16_t *)arg1 = tswap16(high2lowgid(rgid));
*(uint16_t *)arg2 = tswap16(high2lowgid(egid));
*(uint16_t *)arg3 = tswap16(high2lowgid(sgid));
}
}
break;
#endif
case TARGET_NR_chown:
ret = get_errno(chown((const char *)arg1, low2highuid(arg2), low2highgid(arg3)));
break;
case TARGET_NR_setuid:
ret = get_errno(setuid(low2highuid(arg1)));
break;
case TARGET_NR_setgid:
ret = get_errno(setgid(low2highgid(arg1)));
break;
case TARGET_NR_setfsuid:
ret = get_errno(setfsuid(arg1));
break;
case TARGET_NR_setfsgid:
ret = get_errno(setfsgid(arg1));
break;
#endif /* USE_UID16 */
case TARGET_NR_lchown32:
ret = get_errno(lchown((const char *)arg1, arg2, arg3));
break;
case TARGET_NR_getuid32:
ret = get_errno(getuid());
break;
case TARGET_NR_getgid32:
ret = get_errno(getgid());
break;
case TARGET_NR_geteuid32:
ret = get_errno(geteuid());
break;
case TARGET_NR_getegid32:
ret = get_errno(getegid());
break;
case TARGET_NR_setreuid32:
ret = get_errno(setreuid(arg1, arg2));
break;
case TARGET_NR_setregid32:
ret = get_errno(setregid(arg1, arg2));
break;
case TARGET_NR_getgroups32:
goto unimplemented;
case TARGET_NR_setgroups32:
goto unimplemented;
case TARGET_NR_fchown32:
ret = get_errno(fchown(arg1, arg2, arg3));
break;
case TARGET_NR_setresuid32:
ret = get_errno(setresuid(arg1, arg2, arg3));
break;
case TARGET_NR_getresuid32:
{
int ruid, euid, suid;
ret = get_errno(getresuid(&ruid, &euid, &suid));
if (!is_error(ret)) {
*(uint32_t *)arg1 = tswap32(ruid);
*(uint32_t *)arg2 = tswap32(euid);
*(uint32_t *)arg3 = tswap32(suid);
}
}
break;
case TARGET_NR_setresgid32:
ret = get_errno(setresgid(arg1, arg2, arg3));
break;
case TARGET_NR_getresgid32:
{
int rgid, egid, sgid;
ret = get_errno(getresgid(&rgid, &egid, &sgid));
if (!is_error(ret)) {
*(uint32_t *)arg1 = tswap32(rgid);
*(uint32_t *)arg2 = tswap32(egid);
*(uint32_t *)arg3 = tswap32(sgid);
}
}
break;
case TARGET_NR_chown32:
ret = get_errno(chown((const char *)arg1, arg2, arg3));
break;
case TARGET_NR_setuid32:
ret = get_errno(setuid(arg1));
break;
case TARGET_NR_setgid32:
ret = get_errno(setgid(arg1));
break;
case TARGET_NR_setfsuid32:
ret = get_errno(setfsuid(arg1));
break;
case TARGET_NR_setfsgid32:
ret = get_errno(setfsgid(arg1));
break;
case TARGET_NR_pivot_root:
goto unimplemented;
case TARGET_NR_mincore:
goto unimplemented;
case TARGET_NR_madvise:
goto unimplemented;
#if TARGET_LONG_BITS == 32
case TARGET_NR_fcntl64:
{
struct flock64 fl;
struct target_flock64 *target_fl = (void *)arg3;
switch(arg2) {
case F_GETLK64:
ret = get_errno(fcntl(arg1, arg2, &fl));
if (ret == 0) {
target_fl->l_type = tswap16(fl.l_type);
target_fl->l_whence = tswap16(fl.l_whence);
target_fl->l_start = tswap64(fl.l_start);
target_fl->l_len = tswap64(fl.l_len);
target_fl->l_pid = tswapl(fl.l_pid);
}
break;
case F_SETLK64:
case F_SETLKW64:
fl.l_type = tswap16(target_fl->l_type);
fl.l_whence = tswap16(target_fl->l_whence);
fl.l_start = tswap64(target_fl->l_start);
fl.l_len = tswap64(target_fl->l_len);
fl.l_pid = tswapl(target_fl->l_pid);
ret = get_errno(fcntl(arg1, arg2, &fl));
break;
default:
ret = get_errno(do_fcntl(arg1, arg2, arg3));
break;
}
break;
}
#endif
#ifdef TARGET_NR_security
case TARGET_NR_security:
goto unimplemented;
#endif
#ifdef TARGET_NR_getpagesize
case TARGET_NR_getpagesize:
ret = TARGET_PAGE_SIZE;
break;
#endif
case TARGET_NR_gettid:
ret = get_errno(gettid());
break;
case TARGET_NR_readahead:
goto unimplemented;
#ifdef TARGET_NR_setxattr
case TARGET_NR_setxattr:
case TARGET_NR_lsetxattr:
case TARGET_NR_fsetxattr:
case TARGET_NR_getxattr:
case TARGET_NR_lgetxattr:
case TARGET_NR_fgetxattr:
case TARGET_NR_listxattr:
case TARGET_NR_llistxattr:
case TARGET_NR_flistxattr:
case TARGET_NR_removexattr:
case TARGET_NR_lremovexattr:
case TARGET_NR_fremovexattr:
goto unimplemented_nowarn;
#endif
#ifdef TARGET_NR_set_thread_area
case TARGET_NR_set_thread_area:
case TARGET_NR_get_thread_area:
goto unimplemented_nowarn;
#endif
default:
unimplemented:
gemu_log("qemu: Unsupported syscall: %d\n", num);
unimplemented_nowarn:
ret = -ENOSYS;
break;
}
fail:
#ifdef DEBUG
gemu_log(" = %ld\n", ret);
#endif
return ret;
}
|