config TRAD_SIGNALS
bool
-config BINFMT_IRIX
- bool "Include IRIX binary compatibility"
- depends on CPU_BIG_ENDIAN && 32BIT && BROKEN
-
config MIPS32_COMPAT
bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
depends on 64BIT
obj-$(CONFIG_CSRC_SB1250) += csrc-sb1250.o
obj-$(CONFIG_SYNC_R4K) += sync-r4k.o
-binfmt_irix-objs := irixelf.o irixinv.o irixioctl.o irixsig.o \
- irix5sys.o sysirix.o
-
obj-$(CONFIG_STACKTRACE) += stacktrace.o
obj-$(CONFIG_MODULES) += mips_ksyms.o module.o
obj-$(CONFIG_32BIT) += scall32-o32.o
obj-$(CONFIG_64BIT) += scall64-64.o
-obj-$(CONFIG_BINFMT_IRIX) += binfmt_irix.o
obj-$(CONFIG_MIPS32_COMPAT) += linux32.o ptrace32.o signal32.o
obj-$(CONFIG_MIPS32_N32) += binfmt_elfn32.o scall64-n32.o signal_n32.o
obj-$(CONFIG_MIPS32_O32) += binfmt_elfo32.o scall64-o32.o
+++ /dev/null
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * 32-bit IRIX5 ABI system call table derived from original file 'irix5sys.h'
- * created by David S. Miller.
- *
- * Copyright (C) 1996 - 2004 David S. Miller <dm@engr.sgi.com>
- * Copyright (C) 2004 Steven J. Hill <sjhill@realitydiluted.com>
- */
-#include <asm/asm.h>
-
- /*
- * Key:
- * V == Valid and should work as expected for most cases.
- * HV == Half Valid, some things will work, some likely will not
- * IV == InValid, certainly will not work at all yet
- * ?V == ?'ably Valid, I have not done enough looking into it
- * DC == Don't Care, a rats ass we couldn't give
- */
-
- .macro irix5syscalltable
-
- sys sys_syscall 0 /* 1000 sysindir() V*/
- sys sys_exit 1 /* 1001 exit() V*/
- sys sys_fork 0 /* 1002 fork() V*/
- sys sys_read 3 /* 1003 read() V*/
- sys sys_write 3 /* 1004 write() V*/
- sys sys_open 3 /* 1005 open() V*/
- sys sys_close 1 /* 1006 close() V*/
- sys irix_unimp 0 /* 1007 (XXX IRIX 4 wait) V*/
- sys sys_creat 2 /* 1008 creat() V*/
- sys sys_link 2 /* 1009 link() V*/
- sys sys_unlink 1 /* 1010 unlink() V*/
- sys irix_exec 0 /* 1011 exec() V*/
- sys sys_chdir 1 /* 1012 chdir() V*/
- sys irix_gtime 0 /* 1013 time() V*/
- sys irix_unimp 0 /* 1014 (XXX IRIX 4 mknod) V*/
- sys sys_chmod 2 /* 1015 chmod() V*/
- sys sys_chown 3 /* 1016 chown() V*/
- sys irix_brk 1 /* 1017 break() V*/
- sys irix_unimp 0 /* 1018 (XXX IRIX 4 stat) V*/
- sys sys_lseek 3 /* 1019 lseek() XXX64bit HV*/
- sys irix_getpid 0 /* 1020 getpid() V*/
- sys irix_mount 6 /* 1021 mount() IV*/
- sys sys_umount 1 /* 1022 umount() V*/
- sys sys_setuid 1 /* 1023 setuid() V*/
- sys irix_getuid 0 /* 1024 getuid() V*/
- sys irix_stime 1 /* 1025 stime() V*/
- sys irix_unimp 4 /* 1026 XXX ptrace() IV*/
- sys irix_alarm 1 /* 1027 alarm() V*/
- sys irix_unimp 0 /* 1028 (XXX IRIX 4 fstat) V*/
- sys irix_pause 0 /* 1029 pause() V*/
- sys sys_utime 2 /* 1030 utime() V*/
- sys irix_unimp 0 /* 1031 nuthin' V*/
- sys irix_unimp 0 /* 1032 nobody home man... V*/
- sys sys_access 2 /* 1033 access() V*/
- sys sys_nice 1 /* 1034 nice() V*/
- sys irix_statfs 2 /* 1035 statfs() V*/
- sys sys_sync 0 /* 1036 sync() V*/
- sys sys_kill 2 /* 1037 kill() V*/
- sys irix_fstatfs 2 /* 1038 fstatfs() V*/
- sys irix_setpgrp 1 /* 1039 setpgrp() V*/
- sys irix_syssgi 0 /* 1040 syssgi() HV*/
- sys sys_dup 1 /* 1041 dup() V*/
- sys sys_pipe 0 /* 1042 pipe() V*/
- sys irix_times 1 /* 1043 times() V*/
- sys irix_unimp 0 /* 1044 XXX profil() IV*/
- sys irix_unimp 0 /* 1045 XXX lock() IV*/
- sys sys_setgid 1 /* 1046 setgid() V*/
- sys irix_getgid 0 /* 1047 getgid() V*/
- sys irix_unimp 0 /* 1048 (XXX IRIX 4 ssig) V*/
- sys irix_msgsys 6 /* 1049 sys_msgsys V*/
- sys sys_sysmips 4 /* 1050 sysmips() HV*/
- sys irix_unimp 0 /* 1051 XXX sysacct() IV*/
- sys irix_shmsys 5 /* 1052 sys_shmsys V*/
- sys irix_semsys 0 /* 1053 sys_semsys V*/
- sys irix_ioctl 3 /* 1054 ioctl() HV*/
- sys irix_uadmin 0 /* 1055 XXX sys_uadmin() HC*/
- sys irix_sysmp 0 /* 1056 sysmp() HV*/
- sys irix_utssys 4 /* 1057 sys_utssys() HV*/
- sys irix_unimp 0 /* 1058 nada enchilada V*/
- sys irix_exece 0 /* 1059 exece() V*/
- sys sys_umask 1 /* 1060 umask() V*/
- sys sys_chroot 1 /* 1061 chroot() V*/
- sys irix_fcntl 3 /* 1062 fcntl() ?V*/
- sys irix_ulimit 2 /* 1063 ulimit() HV*/
- sys irix_unimp 0 /* 1064 XXX AFS shit DC*/
- sys irix_unimp 0 /* 1065 XXX AFS shit DC*/
- sys irix_unimp 0 /* 1066 XXX AFS shit DC*/
- sys irix_unimp 0 /* 1067 XXX AFS shit DC*/
- sys irix_unimp 0 /* 1068 XXX AFS shit DC*/
- sys irix_unimp 0 /* 1069 XXX AFS shit DC*/
- sys irix_unimp 0 /* 1070 XXX AFS shit DC*/
- sys irix_unimp 0 /* 1071 XXX AFS shit DC*/
- sys irix_unimp 0 /* 1072 XXX AFS shit DC*/
- sys irix_unimp 0 /* 1073 XXX AFS shit DC*/
- sys irix_unimp 0 /* 1074 nuttin' V*/
- sys irix_unimp 0 /* 1075 XXX sys_getrlimit64()IV*/
- sys irix_unimp 0 /* 1076 XXX sys_setrlimit64()IV*/
- sys sys_nanosleep 2 /* 1077 nanosleep() V*/
- sys irix_lseek64 5 /* 1078 lseek64() ?V*/
- sys sys_rmdir 1 /* 1079 rmdir() V*/
- sys sys_mkdir 2 /* 1080 mkdir() V*/
- sys sys_getdents 3 /* 1081 getdents() V*/
- sys irix_sginap 1 /* 1082 sys_sginap() V*/
- sys irix_sgikopt 3 /* 1083 sys_sgikopt() DC*/
- sys sys_sysfs 3 /* 1084 sysfs() ?V*/
- sys irix_unimp 0 /* 1085 XXX sys_getmsg() DC*/
- sys irix_unimp 0 /* 1086 XXX sys_putmsg() DC*/
- sys sys_poll 3 /* 1087 poll() V*/
- sys irix_sigreturn 0 /* 1088 sigreturn() ?V*/
- sys sys_accept 3 /* 1089 accept() V*/
- sys sys_bind 3 /* 1090 bind() V*/
- sys sys_connect 3 /* 1091 connect() V*/
- sys irix_gethostid 0 /* 1092 sys_gethostid() ?V*/
- sys sys_getpeername 3 /* 1093 getpeername() V*/
- sys sys_getsockname 3 /* 1094 getsockname() V*/
- sys sys_getsockopt 5 /* 1095 getsockopt() V*/
- sys sys_listen 2 /* 1096 listen() V*/
- sys sys_recv 4 /* 1097 recv() V*/
- sys sys_recvfrom 6 /* 1098 recvfrom() V*/
- sys sys_recvmsg 3 /* 1099 recvmsg() V*/
- sys sys_select 5 /* 1100 select() V*/
- sys sys_send 4 /* 1101 send() V*/
- sys sys_sendmsg 3 /* 1102 sendmsg() V*/
- sys sys_sendto 6 /* 1103 sendto() V*/
- sys irix_sethostid 1 /* 1104 sys_sethostid() ?V*/
- sys sys_setsockopt 5 /* 1105 setsockopt() V*/
- sys sys_shutdown 2 /* 1106 shutdown() ?V*/
- sys irix_socket 3 /* 1107 socket() V*/
- sys sys_gethostname 2 /* 1108 sys_gethostname() ?V*/
- sys sys_sethostname 2 /* 1109 sethostname() ?V*/
- sys irix_getdomainname 2 /* 1110 sys_getdomainname() ?V*/
- sys sys_setdomainname 2 /* 1111 setdomainname() ?V*/
- sys sys_truncate 2 /* 1112 truncate() V*/
- sys sys_ftruncate 2 /* 1113 ftruncate() V*/
- sys sys_rename 2 /* 1114 rename() V*/
- sys sys_symlink 2 /* 1115 symlink() V*/
- sys sys_readlink 3 /* 1116 readlink() V*/
- sys irix_unimp 0 /* 1117 XXX IRIX 4 lstat() DC*/
- sys irix_unimp 0 /* 1118 nothin' V*/
- sys irix_unimp 0 /* 1119 XXX nfs_svc() DC*/
- sys irix_unimp 0 /* 1120 XXX nfs_getfh() DC*/
- sys irix_unimp 0 /* 1121 XXX async_daemon() DC*/
- sys irix_unimp 0 /* 1122 XXX exportfs() DC*/
- sys sys_setregid 2 /* 1123 setregid() V*/
- sys sys_setreuid 2 /* 1124 setreuid() V*/
- sys sys_getitimer 2 /* 1125 getitimer() V*/
- sys sys_setitimer 3 /* 1126 setitimer() V*/
- sys irix_unimp 1 /* 1127 XXX adjtime() IV*/
- sys irix_gettimeofday 1 /* 1128 gettimeofday() V*/
- sys irix_unimp 0 /* 1129 XXX sproc() IV*/
- sys irix_prctl 0 /* 1130 prctl() HV*/
- sys irix_unimp 0 /* 1131 XXX procblk() IV*/
- sys irix_unimp 0 /* 1132 XXX sprocsp() IV*/
- sys irix_unimp 0 /* 1133 XXX sgigsc() IV*/
- sys irix_mmap32 6 /* 1134 mmap() XXXflags? ?V*/
- sys sys_munmap 2 /* 1135 munmap() V*/
- sys sys_mprotect 3 /* 1136 mprotect() V*/
- sys sys_msync 4 /* 1137 msync() V*/
- sys irix_madvise 3 /* 1138 madvise() DC*/
- sys irix_pagelock 3 /* 1139 pagelock() IV*/
- sys irix_getpagesize 0 /* 1140 getpagesize() V*/
- sys irix_quotactl 0 /* 1141 quotactl() V*/
- sys irix_unimp 0 /* 1142 nobody home man V*/
- sys sys_getpgid 1 /* 1143 BSD getpgrp() V*/
- sys irix_BSDsetpgrp 2 /* 1143 BSD setpgrp() V*/
- sys sys_vhangup 0 /* 1144 vhangup() V*/
- sys sys_fsync 1 /* 1145 fsync() V*/
- sys sys_fchdir 1 /* 1146 fchdir() V*/
- sys sys_getrlimit 2 /* 1147 getrlimit() ?V*/
- sys sys_setrlimit 2 /* 1148 setrlimit() ?V*/
- sys sys_cacheflush 3 /* 1150 cacheflush() HV*/
- sys sys_cachectl 3 /* 1151 cachectl() HV*/
- sys sys_fchown 3 /* 1152 fchown() ?V*/
- sys sys_fchmod 2 /* 1153 fchmod() ?V*/
- sys irix_unimp 0 /* 1154 XXX IRIX 4 wait3() V*/
- sys sys_socketpair 4 /* 1155 socketpair() V*/
- sys irix_systeminfo 3 /* 1156 systeminfo() IV*/
- sys irix_uname 1 /* 1157 uname() IV*/
- sys irix_xstat 3 /* 1158 xstat() V*/
- sys irix_lxstat 3 /* 1159 lxstat() V*/
- sys irix_fxstat 3 /* 1160 fxstat() V*/
- sys irix_xmknod 0 /* 1161 xmknod() ?V*/
- sys irix_sigaction 4 /* 1162 sigaction() ?V*/
- sys irix_sigpending 1 /* 1163 sigpending() ?V*/
- sys irix_sigprocmask 3 /* 1164 sigprocmask() ?V*/
- sys irix_sigsuspend 0 /* 1165 sigsuspend() ?V*/
- sys irix_sigpoll_sys 3 /* 1166 sigpoll_sys() IV*/
- sys irix_swapctl 2 /* 1167 swapctl() IV*/
- sys irix_getcontext 0 /* 1168 getcontext() HV*/
- sys irix_setcontext 0 /* 1169 setcontext() HV*/
- sys irix_waitsys 5 /* 1170 waitsys() IV*/
- sys irix_sigstack 2 /* 1171 sigstack() HV*/
- sys irix_sigaltstack 2 /* 1172 sigaltstack() HV*/
- sys irix_sigsendset 2 /* 1173 sigsendset() IV*/
- sys irix_statvfs 2 /* 1174 statvfs() V*/
- sys irix_fstatvfs 2 /* 1175 fstatvfs() V*/
- sys irix_unimp 0 /* 1176 XXX getpmsg() DC*/
- sys irix_unimp 0 /* 1177 XXX putpmsg() DC*/
- sys sys_lchown 3 /* 1178 lchown() V*/
- sys irix_priocntl 0 /* 1179 priocntl() DC*/
- sys irix_sigqueue 4 /* 1180 sigqueue() IV*/
- sys sys_readv 3 /* 1181 readv() V*/
- sys sys_writev 3 /* 1182 writev() V*/
- sys irix_truncate64 4 /* 1183 truncate64() XX32bit HV*/
- sys irix_ftruncate64 4 /* 1184 ftruncate64()XX32bit HV*/
- sys irix_mmap64 0 /* 1185 mmap64() XX32bit HV*/
- sys irix_dmi 0 /* 1186 dmi() DC*/
- sys irix_pread 6 /* 1187 pread() IV*/
- sys irix_pwrite 6 /* 1188 pwrite() IV*/
- sys sys_fsync 1 /* 1189 fdatasync() XXPOSIX HV*/
- sys irix_sgifastpath 7 /* 1190 sgifastpath() WHEEE IV*/
- sys irix_unimp 0 /* 1191 XXX attr_get() DC*/
- sys irix_unimp 0 /* 1192 XXX attr_getf() DC*/
- sys irix_unimp 0 /* 1193 XXX attr_set() DC*/
- sys irix_unimp 0 /* 1194 XXX attr_setf() DC*/
- sys irix_unimp 0 /* 1195 XXX attr_remove() DC*/
- sys irix_unimp 0 /* 1196 XXX attr_removef() DC*/
- sys irix_unimp 0 /* 1197 XXX attr_list() DC*/
- sys irix_unimp 0 /* 1198 XXX attr_listf() DC*/
- sys irix_unimp 0 /* 1199 XXX attr_multi() DC*/
- sys irix_unimp 0 /* 1200 XXX attr_multif() DC*/
- sys irix_statvfs64 2 /* 1201 statvfs64() V*/
- sys irix_fstatvfs64 2 /* 1202 fstatvfs64() V*/
- sys irix_getmountid 2 /* 1203 getmountid()XXXfsids HV*/
- sys irix_nsproc 5 /* 1204 nsproc() IV*/
- sys irix_getdents64 3 /* 1205 getdents64() HV*/
- sys irix_unimp 0 /* 1206 XXX DFS garbage DC*/
- sys irix_ngetdents 4 /* 1207 ngetdents() XXXeop HV*/
- sys irix_ngetdents64 4 /* 1208 ngetdents64() XXXeop HV*/
- sys irix_unimp 0 /* 1209 nothin' V*/
- sys irix_unimp 0 /* 1210 XXX pidsprocsp() */
- sys irix_unimp 0 /* 1211 XXX rexec() */
- sys irix_unimp 0 /* 1212 XXX timer_create() */
- sys irix_unimp 0 /* 1213 XXX timer_delete() */
- sys irix_unimp 0 /* 1214 XXX timer_settime() */
- sys irix_unimp 0 /* 1215 XXX timer_gettime() */
- sys irix_unimp 0 /* 1216 XXX timer_setoverrun() */
- sys sys_sched_rr_get_interval 2 /* 1217 sched_rr_get_interval()V*/
- sys sys_sched_yield 0 /* 1218 sched_yield() V*/
- sys sys_sched_getscheduler 1 /* 1219 sched_getscheduler() V*/
- sys sys_sched_setscheduler 3 /* 1220 sched_setscheduler() V*/
- sys sys_sched_getparam 2 /* 1221 sched_getparam() V*/
- sys sys_sched_setparam 2 /* 1222 sched_setparam() V*/
- sys irix_unimp 0 /* 1223 XXX usync_cntl() */
- sys irix_unimp 0 /* 1224 XXX psema_cntl() */
- sys irix_unimp 0 /* 1225 XXX restartreturn() */
-
- /* Just to pad things out nicely. */
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
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- sys irix_unimp 0
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- sys irix_unimp 0
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- sys irix_unimp 0
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- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
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- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
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- sys irix_unimp 0
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- sys irix_unimp 0
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- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
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- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
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- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
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- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
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- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
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- sys irix_unimp 0
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- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
- sys irix_unimp 0
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-
- .endm
-
- /*
- * Pre-compute the number of _instruction_ bytes needed to load
- * or store the arguments 6-8. Negative values are ignored.
- */
- .macro sys function, nargs
- PTR \function
- LONG (\nargs << 2) - (5 << 2)
- .endm
-
- .align 4
-EXPORT(sys_call_table_irix5)
- irix5syscalltable
+++ /dev/null
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * irixelf.c: Code to load IRIX ELF executables conforming to the MIPS ABI.
- * Based off of work by Eric Youngdale.
- *
- * Copyright (C) 1993 - 1994 Eric Youngdale <ericy@cais.com>
- * Copyright (C) 1996 - 2004 David S. Miller <dm@engr.sgi.com>
- * Copyright (C) 2004 - 2005 Steven J. Hill <sjhill@realitydiluted.com>
- */
-#undef DEBUG
-
-#include <linux/module.h>
-#include <linux/fs.h>
-#include <linux/stat.h>
-#include <linux/sched.h>
-#include <linux/mm.h>
-#include <linux/mman.h>
-#include <linux/a.out.h>
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/signal.h>
-#include <linux/binfmts.h>
-#include <linux/string.h>
-#include <linux/file.h>
-#include <linux/fcntl.h>
-#include <linux/ptrace.h>
-#include <linux/slab.h>
-#include <linux/shm.h>
-#include <linux/personality.h>
-#include <linux/elfcore.h>
-
-#include <asm/mipsregs.h>
-#include <asm/namei.h>
-#include <asm/prctl.h>
-#include <asm/uaccess.h>
-
-#define DLINFO_ITEMS 12
-
-#include <linux/elf.h>
-
-static int load_irix_binary(struct linux_binprm * bprm, struct pt_regs * regs);
-static int load_irix_library(struct file *);
-static int irix_core_dump(long signr, struct pt_regs * regs,
- struct file *file, unsigned long limit);
-
-static struct linux_binfmt irix_format = {
- .module = THIS_MODULE,
- .load_binary = load_irix_binary,
- .load_shlib = load_irix_library,
- .core_dump = irix_core_dump,
- .min_coredump = PAGE_SIZE,
-};
-
-/* Debugging routines. */
-static char *get_elf_p_type(Elf32_Word p_type)
-{
-#ifdef DEBUG
- switch (p_type) {
- case PT_NULL:
- return "PT_NULL";
- break;
-
- case PT_LOAD:
- return "PT_LOAD";
- break;
-
- case PT_DYNAMIC:
- return "PT_DYNAMIC";
- break;
-
- case PT_INTERP:
- return "PT_INTERP";
- break;
-
- case PT_NOTE:
- return "PT_NOTE";
- break;
-
- case PT_SHLIB:
- return "PT_SHLIB";
- break;
-
- case PT_PHDR:
- return "PT_PHDR";
- break;
-
- case PT_LOPROC:
- return "PT_LOPROC/REGINFO";
- break;
-
- case PT_HIPROC:
- return "PT_HIPROC";
- break;
-
- default:
- return "PT_BOGUS";
- break;
- }
-#endif
-}
-
-static void print_elfhdr(struct elfhdr *ehp)
-{
- int i;
-
- pr_debug("ELFHDR: e_ident<");
- for (i = 0; i < (EI_NIDENT - 1); i++)
- pr_debug("%x ", ehp->e_ident[i]);
- pr_debug("%x>\n", ehp->e_ident[i]);
- pr_debug(" e_type[%04x] e_machine[%04x] e_version[%08lx]\n",
- (unsigned short) ehp->e_type, (unsigned short) ehp->e_machine,
- (unsigned long) ehp->e_version);
- pr_debug(" e_entry[%08lx] e_phoff[%08lx] e_shoff[%08lx] "
- "e_flags[%08lx]\n",
- (unsigned long) ehp->e_entry, (unsigned long) ehp->e_phoff,
- (unsigned long) ehp->e_shoff, (unsigned long) ehp->e_flags);
- pr_debug(" e_ehsize[%04x] e_phentsize[%04x] e_phnum[%04x]\n",
- (unsigned short) ehp->e_ehsize,
- (unsigned short) ehp->e_phentsize,
- (unsigned short) ehp->e_phnum);
- pr_debug(" e_shentsize[%04x] e_shnum[%04x] e_shstrndx[%04x]\n",
- (unsigned short) ehp->e_shentsize,
- (unsigned short) ehp->e_shnum,
- (unsigned short) ehp->e_shstrndx);
-}
-
-static void print_phdr(int i, struct elf_phdr *ep)
-{
- pr_debug("PHDR[%d]: p_type[%s] p_offset[%08lx] p_vaddr[%08lx] "
- "p_paddr[%08lx]\n", i, get_elf_p_type(ep->p_type),
- (unsigned long) ep->p_offset, (unsigned long) ep->p_vaddr,
- (unsigned long) ep->p_paddr);
- pr_debug(" p_filesz[%08lx] p_memsz[%08lx] p_flags[%08lx] "
- "p_align[%08lx]\n", (unsigned long) ep->p_filesz,
- (unsigned long) ep->p_memsz, (unsigned long) ep->p_flags,
- (unsigned long) ep->p_align);
-}
-
-static void dump_phdrs(struct elf_phdr *ep, int pnum)
-{
- int i;
-
- for (i = 0; i < pnum; i++, ep++) {
- if ((ep->p_type == PT_LOAD) ||
- (ep->p_type == PT_INTERP) ||
- (ep->p_type == PT_PHDR))
- print_phdr(i, ep);
- }
-}
-
-static void set_brk(unsigned long start, unsigned long end)
-{
- start = PAGE_ALIGN(start);
- end = PAGE_ALIGN(end);
- if (end <= start)
- return;
- down_write(¤t->mm->mmap_sem);
- do_brk(start, end - start);
- up_write(¤t->mm->mmap_sem);
-}
-
-
-/* We need to explicitly zero any fractional pages
- * after the data section (i.e. bss). This would
- * contain the junk from the file that should not
- * be in memory.
- */
-static void padzero(unsigned long elf_bss)
-{
- unsigned long nbyte;
-
- nbyte = elf_bss & (PAGE_SIZE-1);
- if (nbyte) {
- nbyte = PAGE_SIZE - nbyte;
- clear_user((void __user *) elf_bss, nbyte);
- }
-}
-
-static unsigned long * create_irix_tables(char * p, int argc, int envc,
- struct elfhdr * exec, unsigned int load_addr,
- unsigned int interp_load_addr, struct pt_regs *regs,
- struct elf_phdr *ephdr)
-{
- elf_addr_t *argv;
- elf_addr_t *envp;
- elf_addr_t *sp, *csp;
-
- pr_debug("create_irix_tables: p[%p] argc[%d] envc[%d] "
- "load_addr[%08x] interp_load_addr[%08x]\n",
- p, argc, envc, load_addr, interp_load_addr);
-
- sp = (elf_addr_t *) (~15UL & (unsigned long) p);
- csp = sp;
- csp -= exec ? DLINFO_ITEMS*2 : 2;
- csp -= envc+1;
- csp -= argc+1;
- csp -= 1; /* argc itself */
- if ((unsigned long)csp & 15UL) {
- sp -= (16UL - ((unsigned long)csp & 15UL)) / sizeof(*sp);
- }
-
- /*
- * Put the ELF interpreter info on the stack
- */
-#define NEW_AUX_ENT(nr, id, val) \
- __put_user((id), sp+(nr*2)); \
- __put_user((val), sp+(nr*2+1)); \
-
- sp -= 2;
- NEW_AUX_ENT(0, AT_NULL, 0);
-
- if (exec) {
- sp -= 11*2;
-
- NEW_AUX_ENT(0, AT_PHDR, load_addr + exec->e_phoff);
- NEW_AUX_ENT(1, AT_PHENT, sizeof(struct elf_phdr));
- NEW_AUX_ENT(2, AT_PHNUM, exec->e_phnum);
- NEW_AUX_ENT(3, AT_PAGESZ, ELF_EXEC_PAGESIZE);
- NEW_AUX_ENT(4, AT_BASE, interp_load_addr);
- NEW_AUX_ENT(5, AT_FLAGS, 0);
- NEW_AUX_ENT(6, AT_ENTRY, (elf_addr_t) exec->e_entry);
- NEW_AUX_ENT(7, AT_UID, (elf_addr_t) current->uid);
- NEW_AUX_ENT(8, AT_EUID, (elf_addr_t) current->euid);
- NEW_AUX_ENT(9, AT_GID, (elf_addr_t) current->gid);
- NEW_AUX_ENT(10, AT_EGID, (elf_addr_t) current->egid);
- }
-#undef NEW_AUX_ENT
-
- sp -= envc+1;
- envp = sp;
- sp -= argc+1;
- argv = sp;
-
- __put_user((elf_addr_t)argc, --sp);
- current->mm->arg_start = (unsigned long) p;
- while (argc-->0) {
- __put_user((unsigned long)p, argv++);
- p += strlen_user(p);
- }
- __put_user((unsigned long) NULL, argv);
- current->mm->arg_end = current->mm->env_start = (unsigned long) p;
- while (envc-->0) {
- __put_user((unsigned long)p, envp++);
- p += strlen_user(p);
- }
- __put_user((unsigned long) NULL, envp);
- current->mm->env_end = (unsigned long) p;
- return sp;
-}
-
-
-/* This is much more generalized than the library routine read function,
- * so we keep this separate. Technically the library read function
- * is only provided so that we can read a.out libraries that have
- * an ELF header.
- */
-static unsigned int load_irix_interp(struct elfhdr * interp_elf_ex,
- struct file * interpreter,
- unsigned int *interp_load_addr)
-{
- struct elf_phdr *elf_phdata = NULL;
- struct elf_phdr *eppnt;
- unsigned int len;
- unsigned int load_addr;
- int elf_bss;
- int retval;
- unsigned int last_bss;
- int error;
- int i;
- unsigned int k;
-
- elf_bss = 0;
- last_bss = 0;
- error = load_addr = 0;
-
- print_elfhdr(interp_elf_ex);
-
- /* First of all, some simple consistency checks */
- if ((interp_elf_ex->e_type != ET_EXEC &&
- interp_elf_ex->e_type != ET_DYN) ||
- !interpreter->f_op->mmap) {
- printk("IRIX interp has bad e_type %d\n", interp_elf_ex->e_type);
- return 0xffffffff;
- }
-
- /* Now read in all of the header information */
- if (sizeof(struct elf_phdr) * interp_elf_ex->e_phnum > PAGE_SIZE) {
- printk("IRIX interp header bigger than a page (%d)\n",
- (sizeof(struct elf_phdr) * interp_elf_ex->e_phnum));
- return 0xffffffff;
- }
-
- elf_phdata = kmalloc(sizeof(struct elf_phdr) * interp_elf_ex->e_phnum,
- GFP_KERNEL);
-
- if (!elf_phdata) {
- printk("Cannot kmalloc phdata for IRIX interp.\n");
- return 0xffffffff;
- }
-
- /* If the size of this structure has changed, then punt, since
- * we will be doing the wrong thing.
- */
- if (interp_elf_ex->e_phentsize != 32) {
- printk("IRIX interp e_phentsize == %d != 32 ",
- interp_elf_ex->e_phentsize);
- kfree(elf_phdata);
- return 0xffffffff;
- }
-
- retval = kernel_read(interpreter, interp_elf_ex->e_phoff,
- (char *) elf_phdata,
- sizeof(struct elf_phdr) * interp_elf_ex->e_phnum);
-
- dump_phdrs(elf_phdata, interp_elf_ex->e_phnum);
-
- eppnt = elf_phdata;
- for (i = 0; i < interp_elf_ex->e_phnum; i++, eppnt++) {
- if (eppnt->p_type == PT_LOAD) {
- int elf_type = MAP_PRIVATE | MAP_DENYWRITE;
- int elf_prot = 0;
- unsigned long vaddr = 0;
- if (eppnt->p_flags & PF_R)
- elf_prot = PROT_READ;
- if (eppnt->p_flags & PF_W)
- elf_prot |= PROT_WRITE;
- if (eppnt->p_flags & PF_X)
- elf_prot |= PROT_EXEC;
- elf_type |= MAP_FIXED;
- vaddr = eppnt->p_vaddr;
-
- pr_debug("INTERP do_mmap"
- "(%p, %08lx, %08lx, %08lx, %08lx, %08lx) ",
- interpreter, vaddr,
- (unsigned long)
- (eppnt->p_filesz + (eppnt->p_vaddr & 0xfff)),
- (unsigned long)
- elf_prot, (unsigned long) elf_type,
- (unsigned long)
- (eppnt->p_offset & 0xfffff000));
-
- down_write(¤t->mm->mmap_sem);
- error = do_mmap(interpreter, vaddr,
- eppnt->p_filesz + (eppnt->p_vaddr & 0xfff),
- elf_prot, elf_type,
- eppnt->p_offset & 0xfffff000);
- up_write(¤t->mm->mmap_sem);
-
- if (error < 0 && error > -1024) {
- printk("Aieee IRIX interp mmap error=%d\n",
- error);
- break; /* Real error */
- }
- pr_debug("error=%08lx ", (unsigned long) error);
- if (!load_addr && interp_elf_ex->e_type == ET_DYN) {
- load_addr = error;
- pr_debug("load_addr = error ");
- }
-
- /*
- * Find the end of the file mapping for this phdr, and
- * keep track of the largest address we see for this.
- */
- k = eppnt->p_vaddr + eppnt->p_filesz;
- if (k > elf_bss)
- elf_bss = k;
-
- /* Do the same thing for the memory mapping - between
- * elf_bss and last_bss is the bss section.
- */
- k = eppnt->p_memsz + eppnt->p_vaddr;
- if (k > last_bss)
- last_bss = k;
- pr_debug("\n");
- }
- }
-
- /* Now use mmap to map the library into memory. */
- if (error < 0 && error > -1024) {
- pr_debug("got error %d\n", error);
- kfree(elf_phdata);
- return 0xffffffff;
- }
-
- /* Now fill out the bss section. First pad the last page up
- * to the page boundary, and then perform a mmap to make sure
- * that there are zero-mapped pages up to and including the
- * last bss page.
- */
- pr_debug("padzero(%08lx) ", (unsigned long) (elf_bss));
- padzero(elf_bss);
- len = (elf_bss + 0xfff) & 0xfffff000; /* What we have mapped so far */
-
- pr_debug("last_bss[%08lx] len[%08lx]\n", (unsigned long) last_bss,
- (unsigned long) len);
-
- /* Map the last of the bss segment */
- if (last_bss > len) {
- down_write(¤t->mm->mmap_sem);
- do_brk(len, (last_bss - len));
- up_write(¤t->mm->mmap_sem);
- }
- kfree(elf_phdata);
-
- *interp_load_addr = load_addr;
- return ((unsigned int) interp_elf_ex->e_entry);
-}
-
-/* Check sanity of IRIX elf executable header. */
-static int verify_binary(struct elfhdr *ehp, struct linux_binprm *bprm)
-{
- if (memcmp(ehp->e_ident, ELFMAG, SELFMAG) != 0)
- return -ENOEXEC;
-
- /* First of all, some simple consistency checks */
- if ((ehp->e_type != ET_EXEC && ehp->e_type != ET_DYN) ||
- !bprm->file->f_op->mmap) {
- return -ENOEXEC;
- }
-
- /* XXX Don't support N32 or 64bit binaries yet because they can
- * XXX and do execute 64 bit instructions and expect all registers
- * XXX to be 64 bit as well. We need to make the kernel save
- * XXX all registers as 64bits on cpu's capable of this at
- * XXX exception time plus frob the XTLB exception vector.
- */
- if ((ehp->e_flags & EF_MIPS_ABI2))
- return -ENOEXEC;
-
- return 0;
-}
-
-/*
- * This is where the detailed check is performed. Irix binaries
- * use interpreters with 'libc.so' in the name, so this function
- * can differentiate between Linux and Irix binaries.
- */
-static inline int look_for_irix_interpreter(char **name,
- struct file **interpreter,
- struct elfhdr *interp_elf_ex,
- struct elf_phdr *epp,
- struct linux_binprm *bprm, int pnum)
-{
- int i;
- int retval = -EINVAL;
- struct file *file = NULL;
-
- *name = NULL;
- for (i = 0; i < pnum; i++, epp++) {
- if (epp->p_type != PT_INTERP)
- continue;
-
- /* It is illegal to have two interpreters for one executable. */
- if (*name != NULL)
- goto out;
-
- *name = kmalloc(epp->p_filesz + strlen(IRIX_EMUL), GFP_KERNEL);
- if (!*name)
- return -ENOMEM;
-
- strcpy(*name, IRIX_EMUL);
- retval = kernel_read(bprm->file, epp->p_offset, (*name + 16),
- epp->p_filesz);
- if (retval < 0)
- goto out;
-
- file = open_exec(*name);
- if (IS_ERR(file)) {
- retval = PTR_ERR(file);
- goto out;
- }
- retval = kernel_read(file, 0, bprm->buf, 128);
- if (retval < 0)
- goto dput_and_out;
-
- *interp_elf_ex = *(struct elfhdr *) bprm->buf;
- }
- *interpreter = file;
- return 0;
-
-dput_and_out:
- fput(file);
-out:
- kfree(*name);
- return retval;
-}
-
-static inline int verify_irix_interpreter(struct elfhdr *ihp)
-{
- if (memcmp(ihp->e_ident, ELFMAG, SELFMAG) != 0)
- return -ELIBBAD;
- return 0;
-}
-
-#define EXEC_MAP_FLAGS (MAP_FIXED | MAP_PRIVATE | MAP_DENYWRITE | MAP_EXECUTABLE)
-
-static inline void map_executable(struct file *fp, struct elf_phdr *epp, int pnum,
- unsigned int *estack, unsigned int *laddr,
- unsigned int *scode, unsigned int *ebss,
- unsigned int *ecode, unsigned int *edata,
- unsigned int *ebrk)
-{
- unsigned int tmp;
- int i, prot;
-
- for (i = 0; i < pnum; i++, epp++) {
- if (epp->p_type != PT_LOAD)
- continue;
-
- /* Map it. */
- prot = (epp->p_flags & PF_R) ? PROT_READ : 0;
- prot |= (epp->p_flags & PF_W) ? PROT_WRITE : 0;
- prot |= (epp->p_flags & PF_X) ? PROT_EXEC : 0;
- down_write(¤t->mm->mmap_sem);
- (void) do_mmap(fp, (epp->p_vaddr & 0xfffff000),
- (epp->p_filesz + (epp->p_vaddr & 0xfff)),
- prot, EXEC_MAP_FLAGS,
- (epp->p_offset & 0xfffff000));
- up_write(¤t->mm->mmap_sem);
-
- /* Fixup location tracking vars. */
- if ((epp->p_vaddr & 0xfffff000) < *estack)
- *estack = (epp->p_vaddr & 0xfffff000);
- if (!*laddr)
- *laddr = epp->p_vaddr - epp->p_offset;
- if (epp->p_vaddr < *scode)
- *scode = epp->p_vaddr;
-
- tmp = epp->p_vaddr + epp->p_filesz;
- if (tmp > *ebss)
- *ebss = tmp;
- if ((epp->p_flags & PF_X) && *ecode < tmp)
- *ecode = tmp;
- if (*edata < tmp)
- *edata = tmp;
-
- tmp = epp->p_vaddr + epp->p_memsz;
- if (tmp > *ebrk)
- *ebrk = tmp;
- }
-
-}
-
-static inline int map_interpreter(struct elf_phdr *epp, struct elfhdr *ihp,
- struct file *interp, unsigned int *iladdr,
- int pnum, mm_segment_t old_fs,
- unsigned int *eentry)
-{
- int i;
-
- *eentry = 0xffffffff;
- for (i = 0; i < pnum; i++, epp++) {
- if (epp->p_type != PT_INTERP)
- continue;
-
- /* We should have fielded this error elsewhere... */
- if (*eentry != 0xffffffff)
- return -1;
-
- set_fs(old_fs);
- *eentry = load_irix_interp(ihp, interp, iladdr);
- old_fs = get_fs();
- set_fs(get_ds());
-
- fput(interp);
-
- if (*eentry == 0xffffffff)
- return -1;
- }
- return 0;
-}
-
-/*
- * IRIX maps a page at 0x200000 that holds information about the
- * process and the system, here we map the page and fill the
- * structure
- */
-static int irix_map_prda_page(void)
-{
- unsigned long v;
- struct prda *pp;
-
- down_write(¤t->mm->mmap_sem);
- v = do_brk(PRDA_ADDRESS, PAGE_SIZE);
- up_write(¤t->mm->mmap_sem);
-
- if (v != PRDA_ADDRESS)
- return v; /* v must be an error code */
-
- pp = (struct prda *) v;
- pp->prda_sys.t_pid = task_pid_vnr(current);
- pp->prda_sys.t_prid = read_c0_prid();
- pp->prda_sys.t_rpid = task_pid_vnr(current);
-
- /* We leave the rest set to zero */
-
- return 0;
-}
-
-
-
-/* These are the functions used to load ELF style executables and shared
- * libraries. There is no binary dependent code anywhere else.
- */
-static int load_irix_binary(struct linux_binprm * bprm, struct pt_regs * regs)
-{
- struct elfhdr elf_ex, interp_elf_ex;
- struct file *interpreter;
- struct elf_phdr *elf_phdata, *elf_ihdr, *elf_ephdr;
- unsigned int load_addr, elf_bss, elf_brk;
- unsigned int elf_entry, interp_load_addr = 0;
- unsigned int start_code, end_code, end_data, elf_stack;
- int retval, has_interp, has_ephdr, size, i;
- char *elf_interpreter;
- mm_segment_t old_fs;
-
- load_addr = 0;
- has_interp = has_ephdr = 0;
- elf_ihdr = elf_ephdr = NULL;
- elf_ex = *((struct elfhdr *) bprm->buf);
- retval = -ENOEXEC;
-
- if (verify_binary(&elf_ex, bprm))
- goto out;
-
- /*
- * Telling -o32 static binaries from Linux and Irix apart from each
- * other is difficult. There are 2 differences to be noted for static
- * binaries from the 2 operating systems:
- *
- * 1) Irix binaries have their .text section before their .init
- * section. Linux binaries are just the opposite.
- *
- * 2) Irix binaries usually have <= 12 sections and Linux
- * binaries have > 20.
- *
- * We will use Method #2 since Method #1 would require us to read in
- * the section headers which is way too much overhead. This appears
- * to work for everything we have ran into so far. If anyone has a
- * better method to tell the binaries apart, I'm listening.
- */
- if (elf_ex.e_shnum > 20)
- goto out;
-
- print_elfhdr(&elf_ex);
-
- /* Now read in all of the header information */
- size = elf_ex.e_phentsize * elf_ex.e_phnum;
- if (size > 65536)
- goto out;
- elf_phdata = kmalloc(size, GFP_KERNEL);
- if (elf_phdata == NULL) {
- retval = -ENOMEM;
- goto out;
- }
-
- retval = kernel_read(bprm->file, elf_ex.e_phoff, (char *)elf_phdata, size);
- if (retval < 0)
- goto out_free_ph;
-
- dump_phdrs(elf_phdata, elf_ex.e_phnum);
-
- /* Set some things for later. */
- for (i = 0; i < elf_ex.e_phnum; i++) {
- switch (elf_phdata[i].p_type) {
- case PT_INTERP:
- has_interp = 1;
- elf_ihdr = &elf_phdata[i];
- break;
- case PT_PHDR:
- has_ephdr = 1;
- elf_ephdr = &elf_phdata[i];
- break;
- };
- }
-
- pr_debug("\n");
-
- elf_bss = 0;
- elf_brk = 0;
-
- elf_stack = 0xffffffff;
- elf_interpreter = NULL;
- start_code = 0xffffffff;
- end_code = 0;
- end_data = 0;
-
- /*
- * If we get a return value, we change the value to be ENOEXEC
- * so that we can exit gracefully and the main binary format
- * search loop in 'fs/exec.c' will move onto the next handler
- * which should be the normal ELF binary handler.
- */
- retval = look_for_irix_interpreter(&elf_interpreter, &interpreter,
- &interp_elf_ex, elf_phdata, bprm,
- elf_ex.e_phnum);
- if (retval) {
- retval = -ENOEXEC;
- goto out_free_file;
- }
-
- if (elf_interpreter) {
- retval = verify_irix_interpreter(&interp_elf_ex);
- if (retval)
- goto out_free_interp;
- }
-
- /* OK, we are done with that, now set up the arg stuff,
- * and then start this sucker up.
- */
- retval = -E2BIG;
- if (!bprm->sh_bang && !bprm->p)
- goto out_free_interp;
-
- /* Flush all traces of the currently running executable */
- retval = flush_old_exec(bprm);
- if (retval)
- goto out_free_dentry;
-
- /* OK, This is the point of no return */
- current->mm->end_data = 0;
- current->mm->end_code = 0;
- current->mm->mmap = NULL;
- current->flags &= ~PF_FORKNOEXEC;
- elf_entry = (unsigned int) elf_ex.e_entry;
-
- /* Do this so that we can load the interpreter, if need be. We will
- * change some of these later.
- */
- setup_arg_pages(bprm, STACK_TOP, EXSTACK_DEFAULT);
- current->mm->start_stack = bprm->p;
-
- /* At this point, we assume that the image should be loaded at
- * fixed address, not at a variable address.
- */
- old_fs = get_fs();
- set_fs(get_ds());
-
- map_executable(bprm->file, elf_phdata, elf_ex.e_phnum, &elf_stack,
- &load_addr, &start_code, &elf_bss, &end_code,
- &end_data, &elf_brk);
-
- if (elf_interpreter) {
- retval = map_interpreter(elf_phdata, &interp_elf_ex,
- interpreter, &interp_load_addr,
- elf_ex.e_phnum, old_fs, &elf_entry);
- kfree(elf_interpreter);
- if (retval) {
- set_fs(old_fs);
- printk("Unable to load IRIX ELF interpreter\n");
- send_sig(SIGSEGV, current, 0);
- retval = 0;
- goto out_free_file;
- }
- }
-
- set_fs(old_fs);
-
- kfree(elf_phdata);
- set_personality(PER_IRIX32);
- set_binfmt(&irix_format);
- compute_creds(bprm);
- current->flags &= ~PF_FORKNOEXEC;
- bprm->p = (unsigned long)
- create_irix_tables((char *)bprm->p, bprm->argc, bprm->envc,
- (elf_interpreter ? &elf_ex : NULL),
- load_addr, interp_load_addr, regs, elf_ephdr);
- current->mm->start_brk = current->mm->brk = elf_brk;
- current->mm->end_code = end_code;
- current->mm->start_code = start_code;
- current->mm->end_data = end_data;
- current->mm->start_stack = bprm->p;
-
- /* Calling set_brk effectively mmaps the pages that we need for the
- * bss and break sections.
- */
- set_brk(elf_bss, elf_brk);
-
- /*
- * IRIX maps a page at 0x200000 which holds some system
- * information. Programs depend on this.
- */
- if (irix_map_prda_page())
- goto out_free_dentry;
-
- padzero(elf_bss);
-
- pr_debug("(start_brk) %lx\n" , (long) current->mm->start_brk);
- pr_debug("(end_code) %lx\n" , (long) current->mm->end_code);
- pr_debug("(start_code) %lx\n" , (long) current->mm->start_code);
- pr_debug("(end_data) %lx\n" , (long) current->mm->end_data);
- pr_debug("(start_stack) %lx\n" , (long) current->mm->start_stack);
- pr_debug("(brk) %lx\n" , (long) current->mm->brk);
-
-#if 0 /* XXX No fucking way dude... */
- /* Why this, you ask??? Well SVr4 maps page 0 as read-only,
- * and some applications "depend" upon this behavior.
- * Since we do not have the power to recompile these, we
- * emulate the SVr4 behavior. Sigh.
- */
- down_write(¤t->mm->mmap_sem);
- (void) do_mmap(NULL, 0, 4096, PROT_READ | PROT_EXEC,
- MAP_FIXED | MAP_PRIVATE, 0);
- up_write(¤t->mm->mmap_sem);
-#endif
-
- start_thread(regs, elf_entry, bprm->p);
- if (current->ptrace & PT_PTRACED)
- send_sig(SIGTRAP, current, 0);
- return 0;
-out:
- return retval;
-
-out_free_dentry:
- allow_write_access(interpreter);
- fput(interpreter);
-out_free_interp:
- kfree(elf_interpreter);
-out_free_file:
-out_free_ph:
- kfree(elf_phdata);
- goto out;
-}
-
-/* This is really simpleminded and specialized - we are loading an
- * a.out library that is given an ELF header.
- */
-static int load_irix_library(struct file *file)
-{
- struct elfhdr elf_ex;
- struct elf_phdr *elf_phdata = NULL;
- unsigned int len = 0;
- int elf_bss = 0;
- int retval;
- unsigned int bss;
- int error;
- int i, j, k;
-
- error = kernel_read(file, 0, (char *) &elf_ex, sizeof(elf_ex));
- if (error != sizeof(elf_ex))
- return -ENOEXEC;
-
- if (memcmp(elf_ex.e_ident, ELFMAG, SELFMAG) != 0)
- return -ENOEXEC;
-
- /* First of all, some simple consistency checks. */
- if (elf_ex.e_type != ET_EXEC || elf_ex.e_phnum > 2 ||
- !file->f_op->mmap)
- return -ENOEXEC;
-
- /* Now read in all of the header information. */
- if (sizeof(struct elf_phdr) * elf_ex.e_phnum > PAGE_SIZE)
- return -ENOEXEC;
-
- elf_phdata = kmalloc(sizeof(struct elf_phdr) * elf_ex.e_phnum, GFP_KERNEL);
- if (elf_phdata == NULL)
- return -ENOMEM;
-
- retval = kernel_read(file, elf_ex.e_phoff, (char *) elf_phdata,
- sizeof(struct elf_phdr) * elf_ex.e_phnum);
-
- j = 0;
- for (i=0; i<elf_ex.e_phnum; i++)
- if ((elf_phdata + i)->p_type == PT_LOAD) j++;
-
- if (j != 1) {
- kfree(elf_phdata);
- return -ENOEXEC;
- }
-
- while (elf_phdata->p_type != PT_LOAD) elf_phdata++;
-
- /* Now use mmap to map the library into memory. */
- down_write(¤t->mm->mmap_sem);
- error = do_mmap(file,
- elf_phdata->p_vaddr & 0xfffff000,
- elf_phdata->p_filesz + (elf_phdata->p_vaddr & 0xfff),
- PROT_READ | PROT_WRITE | PROT_EXEC,
- MAP_FIXED | MAP_PRIVATE | MAP_DENYWRITE,
- elf_phdata->p_offset & 0xfffff000);
- up_write(¤t->mm->mmap_sem);
-
- k = elf_phdata->p_vaddr + elf_phdata->p_filesz;
- if (k > elf_bss) elf_bss = k;
-
- if (error != (elf_phdata->p_vaddr & 0xfffff000)) {
- kfree(elf_phdata);
- return error;
- }
-
- padzero(elf_bss);
-
- len = (elf_phdata->p_filesz + elf_phdata->p_vaddr+ 0xfff) & 0xfffff000;
- bss = elf_phdata->p_memsz + elf_phdata->p_vaddr;
- if (bss > len) {
- down_write(¤t->mm->mmap_sem);
- do_brk(len, bss-len);
- up_write(¤t->mm->mmap_sem);
- }
- kfree(elf_phdata);
- return 0;
-}
-
-/* Called through irix_syssgi() to map an elf image given an FD,
- * a phdr ptr USER_PHDRP in userspace, and a count CNT telling how many
- * phdrs there are in the USER_PHDRP array. We return the vaddr the
- * first phdr was successfully mapped to.
- */
-unsigned long irix_mapelf(int fd, struct elf_phdr __user *user_phdrp, int cnt)
-{
- unsigned long type, vaddr, filesz, offset, flags;
- struct elf_phdr __user *hp;
- struct file *filp;
- int i, retval;
-
- pr_debug("irix_mapelf: fd[%d] user_phdrp[%p] cnt[%d]\n",
- fd, user_phdrp, cnt);
-
- /* First get the verification out of the way. */
- hp = user_phdrp;
- if (!access_ok(VERIFY_READ, hp, (sizeof(struct elf_phdr) * cnt))) {
- pr_debug("irix_mapelf: bad pointer to ELF PHDR!\n");
-
- return -EFAULT;
- }
-
- dump_phdrs(user_phdrp, cnt);
-
- for (i = 0; i < cnt; i++, hp++) {
- if (__get_user(type, &hp->p_type))
- return -EFAULT;
- if (type != PT_LOAD) {
- printk("irix_mapelf: One section is not PT_LOAD!\n");
- return -ENOEXEC;
- }
- }
-
- filp = fget(fd);
- if (!filp)
- return -EACCES;
- if (!filp->f_op) {
- printk("irix_mapelf: Bogon filp!\n");
- fput(filp);
- return -EACCES;
- }
-
- hp = user_phdrp;
- for (i = 0; i < cnt; i++, hp++) {
- int prot;
-
- retval = __get_user(vaddr, &hp->p_vaddr);
- retval |= __get_user(filesz, &hp->p_filesz);
- retval |= __get_user(offset, &hp->p_offset);
- retval |= __get_user(flags, &hp->p_flags);
- if (retval)
- return retval;
-
- prot = (flags & PF_R) ? PROT_READ : 0;
- prot |= (flags & PF_W) ? PROT_WRITE : 0;
- prot |= (flags & PF_X) ? PROT_EXEC : 0;
-
- down_write(¤t->mm->mmap_sem);
- retval = do_mmap(filp, (vaddr & 0xfffff000),
- (filesz + (vaddr & 0xfff)),
- prot, (MAP_FIXED | MAP_PRIVATE | MAP_DENYWRITE),
- (offset & 0xfffff000));
- up_write(¤t->mm->mmap_sem);
-
- if (retval != (vaddr & 0xfffff000)) {
- printk("irix_mapelf: do_mmap fails with %d!\n", retval);
- fput(filp);
- return retval;
- }
- }
-
- pr_debug("irix_mapelf: Success, returning %08lx\n",
- (unsigned long) user_phdrp->p_vaddr);
-
- fput(filp);
-
- if (__get_user(vaddr, &user_phdrp->p_vaddr))
- return -EFAULT;
-
- return vaddr;
-}
-
-/*
- * ELF core dumper
- *
- * Modelled on fs/exec.c:aout_core_dump()
- * Jeremy Fitzhardinge <jeremy@sw.oz.au>
- */
-
-/* These are the only things you should do on a core-file: use only these
- * functions to write out all the necessary info.
- */
-static int dump_write(struct file *file, const void __user *addr, int nr)
-{
- return file->f_op->write(file, (const char __user *) addr, nr, &file->f_pos) == nr;
-}
-
-static int dump_seek(struct file *file, off_t off)
-{
- if (file->f_op->llseek) {
- if (file->f_op->llseek(file, off, 0) != off)
- return 0;
- } else
- file->f_pos = off;
- return 1;
-}
-
-/* Decide whether a segment is worth dumping; default is yes to be
- * sure (missing info is worse than too much; etc).
- * Personally I'd include everything, and use the coredump limit...
- *
- * I think we should skip something. But I am not sure how. H.J.
- */
-static inline int maydump(struct vm_area_struct *vma)
-{
- if (!(vma->vm_flags & (VM_READ|VM_WRITE|VM_EXEC)))
- return 0;
-#if 1
- if (vma->vm_flags & (VM_WRITE|VM_GROWSUP|VM_GROWSDOWN))
- return 1;
- if (vma->vm_flags & (VM_READ|VM_EXEC|VM_EXECUTABLE|VM_SHARED))
- return 0;
-#endif
- return 1;
-}
-
-/* An ELF note in memory. */
-struct memelfnote
-{
- const char *name;
- int type;
- unsigned int datasz;
- void *data;
-};
-
-static int notesize(struct memelfnote *en)
-{
- int sz;
-
- sz = sizeof(struct elf_note);
- sz += roundup(strlen(en->name) + 1, 4);
- sz += roundup(en->datasz, 4);
-
- return sz;
-}
-
-#define DUMP_WRITE(addr, nr) \
- if (!dump_write(file, (addr), (nr))) \
- goto end_coredump;
-#define DUMP_SEEK(off) \
- if (!dump_seek(file, (off))) \
- goto end_coredump;
-
-static int writenote(struct memelfnote *men, struct file *file)
-{
- struct elf_note en;
-
- en.n_namesz = strlen(men->name) + 1;
- en.n_descsz = men->datasz;
- en.n_type = men->type;
-
- DUMP_WRITE(&en, sizeof(en));
- DUMP_WRITE(men->name, en.n_namesz);
- /* XXX - cast from long long to long to avoid need for libgcc.a */
- DUMP_SEEK(roundup((unsigned long)file->f_pos, 4)); /* XXX */
- DUMP_WRITE(men->data, men->datasz);
- DUMP_SEEK(roundup((unsigned long)file->f_pos, 4)); /* XXX */
-
- return 1;
-
-end_coredump:
- return 0;
-}
-#undef DUMP_WRITE
-#undef DUMP_SEEK
-
-#define DUMP_WRITE(addr, nr) \
- if (!dump_write(file, (addr), (nr))) \
- goto end_coredump;
-#define DUMP_SEEK(off) \
- if (!dump_seek(file, (off))) \
- goto end_coredump;
-
-/* Actual dumper.
- *
- * This is a two-pass process; first we find the offsets of the bits,
- * and then they are actually written out. If we run out of core limit
- * we just truncate.
- */
-static int irix_core_dump(long signr, struct pt_regs *regs, struct file *file, unsigned long limit)
-{
- int has_dumped = 0;
- mm_segment_t fs;
- int segs;
- int i;
- size_t size;
- struct vm_area_struct *vma;
- struct elfhdr elf;
- off_t offset = 0, dataoff;
- int numnote = 3;
- struct memelfnote notes[3];
- struct elf_prstatus prstatus; /* NT_PRSTATUS */
- elf_fpregset_t fpu; /* NT_PRFPREG */
- struct elf_prpsinfo psinfo; /* NT_PRPSINFO */
-
- /* Count what's needed to dump, up to the limit of coredump size. */
- segs = 0;
- size = 0;
- for (vma = current->mm->mmap; vma != NULL; vma = vma->vm_next) {
- if (maydump(vma))
- {
- int sz = vma->vm_end-vma->vm_start;
-
- if (size+sz >= limit)
- break;
- else
- size += sz;
- }
-
- segs++;
- }
- pr_debug("irix_core_dump: %d segs taking %d bytes\n", segs, size);
-
- /* Set up header. */
- memcpy(elf.e_ident, ELFMAG, SELFMAG);
- elf.e_ident[EI_CLASS] = ELFCLASS32;
- elf.e_ident[EI_DATA] = ELFDATA2LSB;
- elf.e_ident[EI_VERSION] = EV_CURRENT;
- elf.e_ident[EI_OSABI] = ELF_OSABI;
- memset(elf.e_ident+EI_PAD, 0, EI_NIDENT-EI_PAD);
-
- elf.e_type = ET_CORE;
- elf.e_machine = ELF_ARCH;
- elf.e_version = EV_CURRENT;
- elf.e_entry = 0;
- elf.e_phoff = sizeof(elf);
- elf.e_shoff = 0;
- elf.e_flags = 0;
- elf.e_ehsize = sizeof(elf);
- elf.e_phentsize = sizeof(struct elf_phdr);
- elf.e_phnum = segs+1; /* Include notes. */
- elf.e_shentsize = 0;
- elf.e_shnum = 0;
- elf.e_shstrndx = 0;
-
- fs = get_fs();
- set_fs(KERNEL_DS);
-
- has_dumped = 1;
- current->flags |= PF_DUMPCORE;
-
- DUMP_WRITE(&elf, sizeof(elf));
- offset += sizeof(elf); /* Elf header. */
- offset += (segs+1) * sizeof(struct elf_phdr); /* Program headers. */
-
- /* Set up the notes in similar form to SVR4 core dumps made
- * with info from their /proc.
- */
- memset(&psinfo, 0, sizeof(psinfo));
- memset(&prstatus, 0, sizeof(prstatus));
-
- notes[0].name = "CORE";
- notes[0].type = NT_PRSTATUS;
- notes[0].datasz = sizeof(prstatus);
- notes[0].data = &prstatus;
- prstatus.pr_info.si_signo = prstatus.pr_cursig = signr;
- prstatus.pr_sigpend = current->pending.signal.sig[0];
- prstatus.pr_sighold = current->blocked.sig[0];
- psinfo.pr_pid = prstatus.pr_pid = task_pid_vnr(current);
- psinfo.pr_ppid = prstatus.pr_ppid = task_pid_vnr(current->parent);
- psinfo.pr_pgrp = prstatus.pr_pgrp = task_pgrp_vnr(current);
- psinfo.pr_sid = prstatus.pr_sid = task_session_vnr(current);
- if (thread_group_leader(current)) {
- /*
- * This is the record for the group leader. Add in the
- * cumulative times of previous dead threads. This total
- * won't include the time of each live thread whose state
- * is included in the core dump. The final total reported
- * to our parent process when it calls wait4 will include
- * those sums as well as the little bit more time it takes
- * this and each other thread to finish dying after the
- * core dump synchronization phase.
- */
- jiffies_to_timeval(current->utime + current->signal->utime,
- &prstatus.pr_utime);
- jiffies_to_timeval(current->stime + current->signal->stime,
- &prstatus.pr_stime);
- } else {
- jiffies_to_timeval(current->utime, &prstatus.pr_utime);
- jiffies_to_timeval(current->stime, &prstatus.pr_stime);
- }
- jiffies_to_timeval(current->signal->cutime, &prstatus.pr_cutime);
- jiffies_to_timeval(current->signal->cstime, &prstatus.pr_cstime);
-
- if (sizeof(elf_gregset_t) != sizeof(struct pt_regs)) {
- printk("sizeof(elf_gregset_t) (%d) != sizeof(struct pt_regs) "
- "(%d)\n", sizeof(elf_gregset_t), sizeof(struct pt_regs));
- } else {
- *(struct pt_regs *)&prstatus.pr_reg = *regs;
- }
-
- notes[1].name = "CORE";
- notes[1].type = NT_PRPSINFO;
- notes[1].datasz = sizeof(psinfo);
- notes[1].data = &psinfo;
- i = current->state ? ffz(~current->state) + 1 : 0;
- psinfo.pr_state = i;
- psinfo.pr_sname = (i < 0 || i > 5) ? '.' : "RSDZTD"[i];
- psinfo.pr_zomb = psinfo.pr_sname == 'Z';
- psinfo.pr_nice = task_nice(current);
- psinfo.pr_flag = current->flags;
- psinfo.pr_uid = current->uid;
- psinfo.pr_gid = current->gid;
- {
- int i, len;
-
- set_fs(fs);
-
- len = current->mm->arg_end - current->mm->arg_start;
- len = len >= ELF_PRARGSZ ? ELF_PRARGSZ : len;
- (void *) copy_from_user(&psinfo.pr_psargs,
- (const char __user *)current->mm->arg_start, len);
- for (i = 0; i < len; i++)
- if (psinfo.pr_psargs[i] == 0)
- psinfo.pr_psargs[i] = ' ';
- psinfo.pr_psargs[len] = 0;
-
- set_fs(KERNEL_DS);
- }
- strlcpy(psinfo.pr_fname, current->comm, sizeof(psinfo.pr_fname));
-
- /* Try to dump the FPU. */
- prstatus.pr_fpvalid = dump_fpu(regs, &fpu);
- if (!prstatus.pr_fpvalid) {
- numnote--;
- } else {
- notes[2].name = "CORE";
- notes[2].type = NT_PRFPREG;
- notes[2].datasz = sizeof(fpu);
- notes[2].data = &fpu;
- }
-
- /* Write notes phdr entry. */
- {
- struct elf_phdr phdr;
- int sz = 0;
-
- for (i = 0; i < numnote; i++)
- sz += notesize(¬es[i]);
-
- phdr.p_type = PT_NOTE;
- phdr.p_offset = offset;
- phdr.p_vaddr = 0;
- phdr.p_paddr = 0;
- phdr.p_filesz = sz;
- phdr.p_memsz = 0;
- phdr.p_flags = 0;
- phdr.p_align = 0;
-
- offset += phdr.p_filesz;
- DUMP_WRITE(&phdr, sizeof(phdr));
- }
-
- /* Page-align dumped data. */
- dataoff = offset = roundup(offset, PAGE_SIZE);
-
- /* Write program headers for segments dump. */
- for (vma = current->mm->mmap, i = 0;
- i < segs && vma != NULL; vma = vma->vm_next) {
- struct elf_phdr phdr;
- size_t sz;
-
- i++;
-
- sz = vma->vm_end - vma->vm_start;
-
- phdr.p_type = PT_LOAD;
- phdr.p_offset = offset;
- phdr.p_vaddr = vma->vm_start;
- phdr.p_paddr = 0;
- phdr.p_filesz = maydump(vma) ? sz : 0;
- phdr.p_memsz = sz;
- offset += phdr.p_filesz;
- phdr.p_flags = vma->vm_flags & VM_READ ? PF_R : 0;
- if (vma->vm_flags & VM_WRITE)
- phdr.p_flags |= PF_W;
- if (vma->vm_flags & VM_EXEC)
- phdr.p_flags |= PF_X;
- phdr.p_align = PAGE_SIZE;
-
- DUMP_WRITE(&phdr, sizeof(phdr));
- }
-
- for (i = 0; i < numnote; i++)
- if (!writenote(¬es[i], file))
- goto end_coredump;
-
- set_fs(fs);
-
- DUMP_SEEK(dataoff);
-
- for (i = 0, vma = current->mm->mmap;
- i < segs && vma != NULL;
- vma = vma->vm_next) {
- unsigned long addr = vma->vm_start;
- unsigned long len = vma->vm_end - vma->vm_start;
-
- if (!maydump(vma))
- continue;
- i++;
- pr_debug("elf_core_dump: writing %08lx %lx\n", addr, len);
- DUMP_WRITE((void __user *)addr, len);
- }
-
- if ((off_t) file->f_pos != offset) {
- /* Sanity check. */
- printk("elf_core_dump: file->f_pos (%ld) != offset (%ld)\n",
- (off_t) file->f_pos, offset);
- }
-
-end_coredump:
- set_fs(fs);
- return has_dumped;
-}
-
-static int __init init_irix_binfmt(void)
-{
- extern int init_inventory(void);
- extern asmlinkage unsigned long sys_call_table;
- extern asmlinkage unsigned long sys_call_table_irix5;
-
- init_inventory();
-
- /*
- * Copy the IRIX5 syscall table (8000 bytes) into the main syscall
- * table. The IRIX5 calls are located by an offset of 8000 bytes
- * from the beginning of the main table.
- */
- memcpy((void *) ((unsigned long) &sys_call_table + 8000),
- &sys_call_table_irix5, 8000);
-
- return register_binfmt(&irix_format);
-}
-
-static void __exit exit_irix_binfmt(void)
-{
- /*
- * Remove the Irix ELF loader.
- */
- unregister_binfmt(&irix_format);
-}
-
-module_init(init_irix_binfmt)
-module_exit(exit_irix_binfmt)
+++ /dev/null
-/*
- * Support the inventory interface for IRIX binaries
- * This is invoked before the mm layer is working, so we do not
- * use the linked lists for the inventory yet.
- *
- * Miguel de Icaza, 1997.
- */
-#include <linux/mm.h>
-#include <asm/inventory.h>
-#include <asm/uaccess.h>
-
-#define MAX_INVENTORY 50
-int inventory_items = 0;
-
-static inventory_t inventory [MAX_INVENTORY];
-
-void add_to_inventory(int class, int type, int controller, int unit, int state)
-{
- inventory_t *ni = &inventory [inventory_items];
-
- if (inventory_items == MAX_INVENTORY)
- return;
-
- ni->inv_class = class;
- ni->inv_type = type;
- ni->inv_controller = controller;
- ni->inv_unit = unit;
- ni->inv_state = state;
- ni->inv_next = ni;
- inventory_items++;
-}
-
-int dump_inventory_to_user(void __user *userbuf, int size)
-{
- inventory_t *inv = &inventory [0];
- inventory_t __user *user = userbuf;
- int v;
-
- if (!access_ok(VERIFY_WRITE, userbuf, size))
- return -EFAULT;
-
- for (v = 0; v < inventory_items; v++){
- inv = &inventory [v];
- if (copy_to_user (user, inv, sizeof (inventory_t)))
- return -EFAULT;
- user++;
- }
- return inventory_items * sizeof(inventory_t);
-}
-
-int __init init_inventory(void)
-{
- /*
- * gross hack while we put the right bits all over the kernel
- * most likely this will not let just anyone run the X server
- * until we put the right values all over the place
- */
- add_to_inventory(10, 3, 0, 0, 16400);
- add_to_inventory(1, 1, 150, -1, 12);
- add_to_inventory(1, 3, 0, 0, 8976);
- add_to_inventory(1, 2, 0, 0, 8976);
- add_to_inventory(4, 8, 0, 0, 2);
- add_to_inventory(5, 5, 0, 0, 1);
- add_to_inventory(3, 3, 0, 0, 32768);
- add_to_inventory(3, 4, 0, 0, 32768);
- add_to_inventory(3, 8, 0, 0, 524288);
- add_to_inventory(3, 9, 0, 0, 64);
- add_to_inventory(3, 1, 0, 0, 67108864);
- add_to_inventory(12, 3, 0, 0, 16);
- add_to_inventory(8, 7, 17, 0, 16777472);
- add_to_inventory(8, 0, 0, 0, 1);
- add_to_inventory(2, 1, 0, 13, 2);
- add_to_inventory(2, 2, 0, 2, 0);
- add_to_inventory(2, 2, 0, 1, 0);
- add_to_inventory(7, 14, 0, 0, 6);
-
- return 0;
-}
+++ /dev/null
-/*
- * irixioctl.c: A fucking mess...
- *
- * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
- */
-
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/fs.h>
-#include <linux/mm.h>
-#include <linux/smp.h>
-#include <linux/sockios.h>
-#include <linux/syscalls.h>
-#include <linux/tty.h>
-#include <linux/file.h>
-#include <linux/rcupdate.h>
-
-#include <asm/uaccess.h>
-#include <asm/ioctl.h>
-#include <asm/ioctls.h>
-
-#undef DEBUG_IOCTLS
-#undef DEBUG_MISSING_IOCTL
-
-struct irix_termios {
- tcflag_t c_iflag, c_oflag, c_cflag, c_lflag;
- cc_t c_cc[NCCS];
-};
-
-asmlinkage int irix_ioctl(int fd, unsigned long cmd, unsigned long arg)
-{
- struct tty_struct *tp, *rtp;
- mm_segment_t old_fs;
- int i, error = 0;
-
-#ifdef DEBUG_IOCTLS
- printk("[%s:%d] irix_ioctl(%d, ", current->comm, current->pid, fd);
-#endif
- switch(cmd) {
- case 0x00005401:
-#ifdef DEBUG_IOCTLS
- printk("TCGETA, %08lx) ", arg);
-#endif
- error = sys_ioctl(fd, TCGETA, arg);
- break;
-
- case 0x0000540d: {
- struct termios kt;
- struct irix_termios __user *it =
- (struct irix_termios __user *) arg;
-
-#ifdef DEBUG_IOCTLS
- printk("TCGETS, %08lx) ", arg);
-#endif
- if (!access_ok(VERIFY_WRITE, it, sizeof(*it))) {
- error = -EFAULT;
- break;
- }
- old_fs = get_fs(); set_fs(get_ds());
- error = sys_ioctl(fd, TCGETS, (unsigned long) &kt);
- set_fs(old_fs);
- if (error)
- break;
-
- error = __put_user(kt.c_iflag, &it->c_iflag);
- error |= __put_user(kt.c_oflag, &it->c_oflag);
- error |= __put_user(kt.c_cflag, &it->c_cflag);
- error |= __put_user(kt.c_lflag, &it->c_lflag);
-
- for (i = 0; i < NCCS; i++)
- error |= __put_user(kt.c_cc[i], &it->c_cc[i]);
- break;
- }
-
- case 0x0000540e: {
- struct termios kt;
- struct irix_termios *it = (struct irix_termios *) arg;
-
-#ifdef DEBUG_IOCTLS
- printk("TCSETS, %08lx) ", arg);
-#endif
- if (!access_ok(VERIFY_READ, it, sizeof(*it))) {
- error = -EFAULT;
- break;
- }
- old_fs = get_fs(); set_fs(get_ds());
- error = sys_ioctl(fd, TCGETS, (unsigned long) &kt);
- set_fs(old_fs);
- if (error)
- break;
-
- error = __get_user(kt.c_iflag, &it->c_iflag);
- error |= __get_user(kt.c_oflag, &it->c_oflag);
- error |= __get_user(kt.c_cflag, &it->c_cflag);
- error |= __get_user(kt.c_lflag, &it->c_lflag);
-
- for (i = 0; i < NCCS; i++)
- error |= __get_user(kt.c_cc[i], &it->c_cc[i]);
-
- if (error)
- break;
- old_fs = get_fs(); set_fs(get_ds());
- error = sys_ioctl(fd, TCSETS, (unsigned long) &kt);
- set_fs(old_fs);
- break;
- }
-
- case 0x0000540f:
-#ifdef DEBUG_IOCTLS
- printk("TCSETSW, %08lx) ", arg);
-#endif
- error = sys_ioctl(fd, TCSETSW, arg);
- break;
-
- case 0x00005471:
-#ifdef DEBUG_IOCTLS
- printk("TIOCNOTTY, %08lx) ", arg);
-#endif
- error = sys_ioctl(fd, TIOCNOTTY, arg);
- break;
-
- case 0x00007416: {
- pid_t pid;
-#ifdef DEBUG_IOCTLS
- printk("TIOCGSID, %08lx) ", arg);
-#endif
- old_fs = get_fs(); set_fs(get_ds());
- error = sys_ioctl(fd, TIOCGSID, (unsigned long)&pid);
- set_fs(old_fs);
- if (!error)
- error = put_user(pid, (unsigned long __user *) arg);
- break;
- }
- case 0x746e:
- /* TIOCSTART, same effect as hitting ^Q */
-#ifdef DEBUG_IOCTLS
- printk("TIOCSTART, %08lx) ", arg);
-#endif
- error = sys_ioctl(fd, TCXONC, TCOON);
- break;
-
- case 0x20006968:
-#ifdef DEBUG_IOCTLS
- printk("SIOCGETLABEL, %08lx) ", arg);
-#endif
- error = -ENOPKG;
- break;
-
- case 0x40047477:
-#ifdef DEBUG_IOCTLS
- printk("TIOCGPGRP, %08lx) ", arg);
-#endif
- error = sys_ioctl(fd, TIOCGPGRP, arg);
-#ifdef DEBUG_IOCTLS
- printk("arg=%d ", *(int *)arg);
-#endif
- break;
-
- case 0x40087468:
-#ifdef DEBUG_IOCTLS
- printk("TIOCGWINSZ, %08lx) ", arg);
-#endif
- error = sys_ioctl(fd, TIOCGWINSZ, arg);
- break;
-
- case 0x8004667e:
- error = sys_ioctl(fd, FIONBIO, arg);
- break;
-
- case 0x80047476:
- error = sys_ioctl(fd, TIOCSPGRP, arg);
- break;
-
- case 0x8020690c:
- error = sys_ioctl(fd, SIOCSIFADDR, arg);
- break;
-
- case 0x80206910:
- error = sys_ioctl(fd, SIOCSIFFLAGS, arg);
- break;
-
- case 0xc0206911:
- error = sys_ioctl(fd, SIOCGIFFLAGS, arg);
- break;
-
- case 0xc020691b:
- error = sys_ioctl(fd, SIOCGIFMETRIC, arg);
- break;
-
- default: {
-#ifdef DEBUG_MISSING_IOCTL
- char *msg = "Unimplemented IOCTL cmd tell linux-mips@linux-mips.org\n";
-
-#ifdef DEBUG_IOCTLS
- printk("UNIMP_IOCTL, %08lx)\n", arg);
-#endif
- old_fs = get_fs(); set_fs(get_ds());
- sys_write(2, msg, strlen(msg));
- set_fs(old_fs);
- printk("[%s:%d] Does unimplemented IRIX ioctl cmd %08lx\n",
- current->comm, current->pid, cmd);
- do_exit(255);
-#else
- error = sys_ioctl(fd, cmd, arg);
-#endif
- }
-
- };
-#ifdef DEBUG_IOCTLS
- printk("error=%d\n", error);
-#endif
- return error;
-}
+++ /dev/null
-/*
- * irixsig.c: WHEEE, IRIX signals! YOW, am I compatible or what?!?!
- *
- * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
- * Copyright (C) 1997 - 2000 Ralf Baechle (ralf@gnu.org)
- * Copyright (C) 2000 Silicon Graphics, Inc.
- */
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/mm.h>
-#include <linux/errno.h>
-#include <linux/smp.h>
-#include <linux/time.h>
-#include <linux/ptrace.h>
-#include <linux/resource.h>
-
-#include <asm/ptrace.h>
-#include <asm/uaccess.h>
-#include <asm/unistd.h>
-
-#undef DEBUG_SIG
-
-#define _S(nr) (1<<((nr)-1))
-
-#define _BLOCKABLE (~(_S(SIGKILL) | _S(SIGSTOP)))
-
-#define _IRIX_NSIG 128
-#define _IRIX_NSIG_BPW BITS_PER_LONG
-#define _IRIX_NSIG_WORDS (_IRIX_NSIG / _IRIX_NSIG_BPW)
-
-typedef struct {
- unsigned long sig[_IRIX_NSIG_WORDS];
-} irix_sigset_t;
-
-struct sigctx_irix5 {
- u32 rmask, cp0_status;
- u64 pc;
- u64 regs[32];
- u64 fpregs[32];
- u32 usedfp, fpcsr, fpeir, sstk_flags;
- u64 hi, lo;
- u64 cp0_cause, cp0_badvaddr, _unused0;
- irix_sigset_t sigset;
- u64 weird_fpu_thing;
- u64 _unused1[31];
-};
-
-#ifdef DEBUG_SIG
-/* Debugging */
-static inline void dump_irix5_sigctx(struct sigctx_irix5 *c)
-{
- int i;
-
- printk("misc: rmask[%08lx] status[%08lx] pc[%08lx]\n",
- (unsigned long) c->rmask,
- (unsigned long) c->cp0_status,
- (unsigned long) c->pc);
- printk("regs: ");
- for(i = 0; i < 16; i++)
- printk("[%d]<%08lx> ", i, (unsigned long) c->regs[i]);
- printk("\nregs: ");
- for(i = 16; i < 32; i++)
- printk("[%d]<%08lx> ", i, (unsigned long) c->regs[i]);
- printk("\nfpregs: ");
- for(i = 0; i < 16; i++)
- printk("[%d]<%08lx> ", i, (unsigned long) c->fpregs[i]);
- printk("\nfpregs: ");
- for(i = 16; i < 32; i++)
- printk("[%d]<%08lx> ", i, (unsigned long) c->fpregs[i]);
- printk("misc: usedfp[%d] fpcsr[%08lx] fpeir[%08lx] stk_flgs[%08lx]\n",
- (int) c->usedfp, (unsigned long) c->fpcsr,
- (unsigned long) c->fpeir, (unsigned long) c->sstk_flags);
- printk("misc: hi[%08lx] lo[%08lx] cause[%08lx] badvaddr[%08lx]\n",
- (unsigned long) c->hi, (unsigned long) c->lo,
- (unsigned long) c->cp0_cause, (unsigned long) c->cp0_badvaddr);
- printk("misc: sigset<0>[%08lx] sigset<1>[%08lx] sigset<2>[%08lx] "
- "sigset<3>[%08lx]\n", (unsigned long) c->sigset.sig[0],
- (unsigned long) c->sigset.sig[1],
- (unsigned long) c->sigset.sig[2],
- (unsigned long) c->sigset.sig[3]);
-}
-#endif
-
-static int setup_irix_frame(struct k_sigaction *ka, struct pt_regs *regs,
- int signr, sigset_t *oldmask)
-{
- struct sigctx_irix5 __user *ctx;
- unsigned long sp;
- int error, i;
-
- sp = regs->regs[29];
- sp -= sizeof(struct sigctx_irix5);
- sp &= ~(0xf);
- ctx = (struct sigctx_irix5 __user *) sp;
- if (!access_ok(VERIFY_WRITE, ctx, sizeof(*ctx)))
- goto segv_and_exit;
-
- error = __put_user(0, &ctx->weird_fpu_thing);
- error |= __put_user(~(0x00000001), &ctx->rmask);
- error |= __put_user(0, &ctx->regs[0]);
- for(i = 1; i < 32; i++)
- error |= __put_user((u64) regs->regs[i], &ctx->regs[i]);
-
- error |= __put_user((u64) regs->hi, &ctx->hi);
- error |= __put_user((u64) regs->lo, &ctx->lo);
- error |= __put_user((u64) regs->cp0_epc, &ctx->pc);
- error |= __put_user(!!used_math(), &ctx->usedfp);
- error |= __put_user((u64) regs->cp0_cause, &ctx->cp0_cause);
- error |= __put_user((u64) regs->cp0_badvaddr, &ctx->cp0_badvaddr);
-
- error |= __put_user(0, &ctx->sstk_flags); /* XXX sigstack unimp... todo... */
-
- error |= __copy_to_user(&ctx->sigset, oldmask, sizeof(irix_sigset_t)) ? -EFAULT : 0;
-
- if (error)
- goto segv_and_exit;
-
-#ifdef DEBUG_SIG
- dump_irix5_sigctx(ctx);
-#endif
-
- regs->regs[4] = (unsigned long) signr;
- regs->regs[5] = 0; /* XXX sigcode XXX */
- regs->regs[6] = regs->regs[29] = sp;
- regs->regs[7] = (unsigned long) ka->sa.sa_handler;
- regs->regs[25] = regs->cp0_epc = (unsigned long) ka->sa_restorer;
-
- return 1;
-
-segv_and_exit:
- force_sigsegv(signr, current);
- return 0;
-}
-
-static int inline
-setup_irix_rt_frame(struct k_sigaction * ka, struct pt_regs *regs,
- int signr, sigset_t *oldmask, siginfo_t *info)
-{
- printk("Aiee: setup_tr_frame wants to be written");
- do_exit(SIGSEGV);
-}
-
-static inline int handle_signal(unsigned long sig, siginfo_t *info,
- struct k_sigaction *ka, sigset_t *oldset, struct pt_regs * regs)
-{
- int ret;
-
- switch(regs->regs[0]) {
- case ERESTARTNOHAND:
- regs->regs[2] = EINTR;
- break;
- case ERESTARTSYS:
- if(!(ka->sa.sa_flags & SA_RESTART)) {
- regs->regs[2] = EINTR;
- break;
- }
- /* fallthrough */
- case ERESTARTNOINTR: /* Userland will reload $v0. */
- regs->cp0_epc -= 8;
- }
-
- regs->regs[0] = 0; /* Don't deal with this again. */
-
- if (ka->sa.sa_flags & SA_SIGINFO)
- ret = setup_irix_rt_frame(ka, regs, sig, oldset, info);
- else
- ret = setup_irix_frame(ka, regs, sig, oldset);
-
- spin_lock_irq(¤t->sighand->siglock);
- sigorsets(¤t->blocked, ¤t->blocked, &ka->sa.sa_mask);
- if (!(ka->sa.sa_flags & SA_NODEFER))
- sigaddset(¤t->blocked, sig);
- recalc_sigpending();
- spin_unlock_irq(¤t->sighand->siglock);
-
- return ret;
-}
-
-void do_irix_signal(struct pt_regs *regs)
-{
- struct k_sigaction ka;
- siginfo_t info;
- int signr;
- sigset_t *oldset;
-
- /*
- * We want the common case to go fast, which is why we may in certain
- * cases get here from kernel mode. Just return without doing anything
- * if so.
- */
- if (!user_mode(regs))
- return;
-
- if (test_thread_flag(TIF_RESTORE_SIGMASK))
- oldset = ¤t->saved_sigmask;
- else
- oldset = ¤t->blocked;
-
- signr = get_signal_to_deliver(&info, &ka, regs, NULL);
- if (signr > 0) {
- /* Whee! Actually deliver the signal. */
- if (handle_signal(signr, &info, &ka, oldset, regs) == 0) {
- /* a signal was successfully delivered; the saved
- * sigmask will have been stored in the signal frame,
- * and will be restored by sigreturn, so we can simply
- * clear the TIF_RESTORE_SIGMASK flag */
- if (test_thread_flag(TIF_RESTORE_SIGMASK))
- clear_thread_flag(TIF_RESTORE_SIGMASK);
- }
-
- return;
- }
-
- /*
- * Who's code doesn't conform to the restartable syscall convention
- * dies here!!! The li instruction, a single machine instruction,
- * must directly be followed by the syscall instruction.
- */
- if (regs->regs[0]) {
- if (regs->regs[2] == ERESTARTNOHAND ||
- regs->regs[2] == ERESTARTSYS ||
- regs->regs[2] == ERESTARTNOINTR) {
- regs->cp0_epc -= 8;
- }
- if (regs->regs[2] == ERESTART_RESTARTBLOCK) {
- regs->regs[2] = __NR_restart_syscall;
- regs->regs[7] = regs->regs[26];
- regs->cp0_epc -= 4;
- }
- regs->regs[0] = 0; /* Don't deal with this again. */
- }
-
- /*
- * If there's no signal to deliver, we just put the saved sigmask
- * back
- */
- if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
- clear_thread_flag(TIF_RESTORE_SIGMASK);
- sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL);
- }
-}
-
-asmlinkage void
-irix_sigreturn(struct pt_regs *regs)
-{
- struct sigctx_irix5 __user *context, *magic;
- unsigned long umask, mask;
- u64 *fregs;
- u32 usedfp;
- int error, sig, i, base = 0;
- sigset_t blocked;
-
- /* Always make any pending restarted system calls return -EINTR */
- current_thread_info()->restart_block.fn = do_no_restart_syscall;
-
- if (regs->regs[2] == 1000)
- base = 1;
-
- context = (struct sigctx_irix5 __user *) regs->regs[base + 4];
- magic = (struct sigctx_irix5 __user *) regs->regs[base + 5];
- sig = (int) regs->regs[base + 6];
-#ifdef DEBUG_SIG
- printk("[%s:%d] IRIX sigreturn(scp[%p],ucp[%p],sig[%d])\n",
- current->comm, current->pid, context, magic, sig);
-#endif
- if (!context)
- context = magic;
- if (!access_ok(VERIFY_READ, context, sizeof(struct sigctx_irix5)))
- goto badframe;
-
-#ifdef DEBUG_SIG
- dump_irix5_sigctx(context);
-#endif
-
- error = __get_user(regs->cp0_epc, &context->pc);
- error |= __get_user(umask, &context->rmask);
-
- mask = 2;
- for (i = 1; i < 32; i++, mask <<= 1) {
- if (umask & mask)
- error |= __get_user(regs->regs[i], &context->regs[i]);
- }
- error |= __get_user(regs->hi, &context->hi);
- error |= __get_user(regs->lo, &context->lo);
-
- error |= __get_user(usedfp, &context->usedfp);
- if ((umask & 1) && usedfp) {
- fregs = (u64 *) ¤t->thread.fpu;
-
- for(i = 0; i < 32; i++)
- error |= __get_user(fregs[i], &context->fpregs[i]);
- error |= __get_user(current->thread.fpu.fcr31, &context->fpcsr);
- }
-
- /* XXX do sigstack crapola here... XXX */
-
- error |= __copy_from_user(&blocked, &context->sigset, sizeof(blocked)) ? -EFAULT : 0;
-
- if (error)
- goto badframe;
-
- sigdelsetmask(&blocked, ~_BLOCKABLE);
- spin_lock_irq(¤t->sighand->siglock);
- current->blocked = blocked;
- recalc_sigpending();
- spin_unlock_irq(¤t->sighand->siglock);
-
- /*
- * Don't let your children do this ...
- */
- __asm__ __volatile__(
- "move\t$29,%0\n\t"
- "j\tsyscall_exit"
- :/* no outputs */
- :"r" (®s));
- /* Unreached */
-
-badframe:
- force_sig(SIGSEGV, current);
-}
-
-struct sigact_irix5 {
- int flags;
- void (*handler)(int);
- u32 sigset[4];
- int _unused0[2];
-};
-
-#define SIG_SETMASK32 256 /* Goodie from SGI for BSD compatibility:
- set only the low 32 bit of the sigset. */
-
-#ifdef DEBUG_SIG
-static inline void dump_sigact_irix5(struct sigact_irix5 *p)
-{
- printk("<f[%d] hndlr[%08lx] msk[%08lx]>", p->flags,
- (unsigned long) p->handler,
- (unsigned long) p->sigset[0]);
-}
-#endif
-
-asmlinkage int
-irix_sigaction(int sig, const struct sigaction __user *act,
- struct sigaction __user *oact, void __user *trampoline)
-{
- struct k_sigaction new_ka, old_ka;
- int ret;
-
-#ifdef DEBUG_SIG
- printk(" (%d,%s,%s,%08lx) ", sig, (!new ? "0" : "NEW"),
- (!old ? "0" : "OLD"), trampoline);
- if(new) {
- dump_sigact_irix5(new); printk(" ");
- }
-#endif
- if (act) {
- sigset_t mask;
- int err;
-
- if (!access_ok(VERIFY_READ, act, sizeof(*act)))
- return -EFAULT;
- err = __get_user(new_ka.sa.sa_handler, &act->sa_handler);
- err |= __get_user(new_ka.sa.sa_flags, &act->sa_flags);
-
- err |= __copy_from_user(&mask, &act->sa_mask, sizeof(sigset_t)) ? -EFAULT : 0;
- if (err)
- return err;
-
- /*
- * Hmmm... methinks IRIX libc always passes a valid trampoline
- * value for all invocations of sigaction. Will have to
- * investigate. POSIX POSIX, die die die...
- */
- new_ka.sa_restorer = trampoline;
- }
-
-/* XXX Implement SIG_SETMASK32 for IRIX compatibility */
- ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL);
-
- if (!ret && oact) {
- int err;
-
- if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)))
- return -EFAULT;
-
- err = __put_user(old_ka.sa.sa_handler, &oact->sa_handler);
- err |= __put_user(old_ka.sa.sa_flags, &oact->sa_flags);
- err |= __copy_to_user(&oact->sa_mask, &old_ka.sa.sa_mask,
- sizeof(sigset_t)) ? -EFAULT : 0;
- if (err)
- return -EFAULT;
- }
-
- return ret;
-}
-
-asmlinkage int irix_sigpending(irix_sigset_t __user *set)
-{
- return do_sigpending(set, sizeof(*set));
-}
-
-asmlinkage int irix_sigprocmask(int how, irix_sigset_t __user *new,
- irix_sigset_t __user *old)
-{
- sigset_t oldbits, newbits;
-
- if (new) {
- if (!access_ok(VERIFY_READ, new, sizeof(*new)))
- return -EFAULT;
- if (__copy_from_user(&newbits, new, sizeof(unsigned long)*4))
- return -EFAULT;
- sigdelsetmask(&newbits, ~_BLOCKABLE);
-
- spin_lock_irq(¤t->sighand->siglock);
- oldbits = current->blocked;
-
- switch(how) {
- case 1:
- sigorsets(&newbits, &oldbits, &newbits);
- break;
-
- case 2:
- sigandsets(&newbits, &oldbits, &newbits);
- break;
-
- case 3:
- break;
-
- case 256:
- siginitset(&newbits, newbits.sig[0]);
- break;
-
- default:
- spin_unlock_irq(¤t->sighand->siglock);
- return -EINVAL;
- }
- recalc_sigpending();
- spin_unlock_irq(¤t->sighand->siglock);
- }
- if (old)
- return copy_to_user(old, ¤t->blocked,
- sizeof(unsigned long)*4) ? -EFAULT : 0;
-
- return 0;
-}
-
-asmlinkage int irix_sigsuspend(struct pt_regs *regs)
-{
- sigset_t newset;
- sigset_t __user *uset;
-
- uset = (sigset_t __user *) regs->regs[4];
- if (copy_from_user(&newset, uset, sizeof(sigset_t)))
- return -EFAULT;
- sigdelsetmask(&newset, ~_BLOCKABLE);
-
- spin_lock_irq(¤t->sighand->siglock);
- current->saved_sigmask = current->blocked;
- current->blocked = newset;
- recalc_sigpending();
- spin_unlock_irq(¤t->sighand->siglock);
-
- current->state = TASK_INTERRUPTIBLE;
- schedule();
- set_thread_flag(TIF_RESTORE_SIGMASK);
- return -ERESTARTNOHAND;
-}
-
-/* hate hate hate... */
-struct irix5_siginfo {
- int sig, code, error;
- union {
- char unused[128 - (3 * 4)]; /* Safety net. */
- struct {
- int pid;
- union {
- int uid;
- struct {
- int utime, status, stime;
- } child;
- } procdata;
- } procinfo;
-
- unsigned long fault_addr;
-
- struct {
- int fd;
- long band;
- } fileinfo;
-
- unsigned long sigval;
- } stuff;
-};
-
-asmlinkage int irix_sigpoll_sys(unsigned long __user *set,
- struct irix5_siginfo __user *info, struct timespec __user *tp)
-{
- long expire = MAX_SCHEDULE_TIMEOUT;
- sigset_t kset;
- int i, sig, error, timeo = 0;
- struct timespec ktp;
-
-#ifdef DEBUG_SIG
- printk("[%s:%d] irix_sigpoll_sys(%p,%p,%p)\n",
- current->comm, current->pid, set, info, tp);
-#endif
-
- /* Must always specify the signal set. */
- if (!set)
- return -EINVAL;
-
- if (copy_from_user(&kset, set, sizeof(set)))
- return -EFAULT;
-
- if (info && clear_user(info, sizeof(*info))) {
- error = -EFAULT;
- goto out;
- }
-
- if (tp) {
- if (copy_from_user(&ktp, tp, sizeof(*tp)))
- return -EFAULT;
-
- if (!ktp.tv_sec && !ktp.tv_nsec)
- return -EINVAL;
-
- expire = timespec_to_jiffies(&ktp) +
- (ktp.tv_sec || ktp.tv_nsec);
- }
-
- while(1) {
- long tmp = 0;
-
- expire = schedule_timeout_interruptible(expire);
-
- for (i=0; i < _IRIX_NSIG_WORDS; i++)
- tmp |= (current->pending.signal.sig[i] & kset.sig[i]);
-
- if (tmp)
- break;
- if (!expire) {
- timeo = 1;
- break;
- }
- if (signal_pending(current))
- return -EINTR;
- }
- if (timeo)
- return -EAGAIN;
-
- for (sig = 1; i <= 65 /* IRIX_NSIG */; sig++) {
- if (sigismember (&kset, sig))
- continue;
- if (sigismember (¤t->pending.signal, sig)) {
- /* XXX need more than this... */
- if (info)
- return copy_to_user(&info->sig, &sig, sizeof(sig));
- return 0;
- }
- }
-
- /* Should not get here, but do something sane if we do. */
- error = -EINTR;
-
-out:
- return error;
-}
-
-/* This is here because of irix5_siginfo definition. */
-#define IRIX_P_PID 0
-#define IRIX_P_PGID 2
-#define IRIX_P_ALL 7
-
-#define W_EXITED 1
-#define W_TRAPPED 2
-#define W_STOPPED 4
-#define W_CONT 8
-#define W_NOHANG 64
-
-#define W_MASK (W_EXITED | W_TRAPPED | W_STOPPED | W_CONT | W_NOHANG)
-
-asmlinkage int irix_waitsys(int type, int upid,
- struct irix5_siginfo __user *info, int options,
- struct rusage __user *ru)
-{
- struct pid *pid = NULL;
- int flag, retval;
- DECLARE_WAITQUEUE(wait, current);
- struct task_struct *tsk;
- struct task_struct *p;
- struct list_head *_p;
-
- if (!info)
- return -EINVAL;
-
- if (!access_ok(VERIFY_WRITE, info, sizeof(*info)))
- return -EFAULT;
-
- if (ru)
- if (!access_ok(VERIFY_WRITE, ru, sizeof(*ru)))
- return -EFAULT;
-
- if (options & ~W_MASK)
- return -EINVAL;
-
- if (type != IRIX_P_PID && type != IRIX_P_PGID && type != IRIX_P_ALL)
- return -EINVAL;
-
- if (type != IRIX_P_ALL)
- pid = find_get_pid(upid);
- add_wait_queue(¤t->signal->wait_chldexit, &wait);
-repeat:
- flag = 0;
- current->state = TASK_INTERRUPTIBLE;
- read_lock(&tasklist_lock);
- tsk = current;
- list_for_each(_p, &tsk->children) {
- p = list_entry(_p, struct task_struct, sibling);
- if ((type == IRIX_P_PID) && task_pid(p) != pid)
- continue;
- if ((type == IRIX_P_PGID) && task_pgrp(p) != pid)
- continue;
- if ((p->exit_signal != SIGCHLD))
- continue;
- flag = 1;
- switch (p->state) {
- case TASK_STOPPED:
- if (!p->exit_code)
- continue;
- if (!(options & (W_TRAPPED|W_STOPPED)) &&
- !(p->ptrace & PT_PTRACED))
- continue;
- read_unlock(&tasklist_lock);
-
- /* move to end of parent's list to avoid starvation */
- write_lock_irq(&tasklist_lock);
- remove_parent(p);
- add_parent(p);
- write_unlock_irq(&tasklist_lock);
- retval = ru ? getrusage(p, RUSAGE_BOTH, ru) : 0;
- if (retval)
- goto end_waitsys;
-
- retval = __put_user(SIGCHLD, &info->sig);
- retval |= __put_user(0, &info->code);
- retval |= __put_user(task_pid_vnr(p), &info->stuff.procinfo.pid);
- retval |= __put_user((p->exit_code >> 8) & 0xff,
- &info->stuff.procinfo.procdata.child.status);
- retval |= __put_user(p->utime, &info->stuff.procinfo.procdata.child.utime);
- retval |= __put_user(p->stime, &info->stuff.procinfo.procdata.child.stime);
- if (retval)
- goto end_waitsys;
-
- p->exit_code = 0;
- goto end_waitsys;
-
- case EXIT_ZOMBIE:
- current->signal->cutime += p->utime + p->signal->cutime;
- current->signal->cstime += p->stime + p->signal->cstime;
- if (ru != NULL)
- getrusage(p, RUSAGE_BOTH, ru);
- retval = __put_user(SIGCHLD, &info->sig);
- retval |= __put_user(1, &info->code); /* CLD_EXITED */
- retval |= __put_user(task_pid_vnr(p), &info->stuff.procinfo.pid);
- retval |= __put_user((p->exit_code >> 8) & 0xff,
- &info->stuff.procinfo.procdata.child.status);
- retval |= __put_user(p->utime,
- &info->stuff.procinfo.procdata.child.utime);
- retval |= __put_user(p->stime,
- &info->stuff.procinfo.procdata.child.stime);
- if (retval)
- goto end_waitsys;
-
- if (p->real_parent != p->parent) {
- write_lock_irq(&tasklist_lock);
- remove_parent(p);
- p->parent = p->real_parent;
- add_parent(p);
- do_notify_parent(p, SIGCHLD);
- write_unlock_irq(&tasklist_lock);
- } else
- release_task(p);
- goto end_waitsys;
- default:
- continue;
- }
- tsk = next_thread(tsk);
- }
- read_unlock(&tasklist_lock);
- if (flag) {
- retval = 0;
- if (options & W_NOHANG)
- goto end_waitsys;
- retval = -ERESTARTSYS;
- if (signal_pending(current))
- goto end_waitsys;
- current->state = TASK_INTERRUPTIBLE;
- schedule();
- goto repeat;
- }
- retval = -ECHILD;
-end_waitsys:
- current->state = TASK_RUNNING;
- remove_wait_queue(¤t->signal->wait_chldexit, &wait);
- put_pid(pid);
-
- return retval;
-}
-
-struct irix5_context {
- u32 flags;
- u32 link;
- u32 sigmask[4];
- struct { u32 sp, size, flags; } stack;
- int regs[36];
- u32 fpregs[32];
- u32 fpcsr;
- u32 _unused0;
- u32 _unused1[47];
- u32 weird_graphics_thing;
-};
-
-asmlinkage int irix_getcontext(struct pt_regs *regs)
-{
- int error, i, base = 0;
- struct irix5_context __user *ctx;
- unsigned long flags;
-
- if (regs->regs[2] == 1000)
- base = 1;
- ctx = (struct irix5_context __user *) regs->regs[base + 4];
-
-#ifdef DEBUG_SIG
- printk("[%s:%d] irix_getcontext(%p)\n",
- current->comm, current->pid, ctx);
-#endif
-
- if (!access_ok(VERIFY_WRITE, ctx, sizeof(*ctx)))
- return -EFAULT;
-
- error = __put_user(current->thread.irix_oldctx, &ctx->link);
-
- error |= __copy_to_user(&ctx->sigmask, ¤t->blocked, sizeof(irix_sigset_t)) ? -EFAULT : 0;
-
- /* XXX Do sigstack stuff someday... */
- error |= __put_user(0, &ctx->stack.sp);
- error |= __put_user(0, &ctx->stack.size);
- error |= __put_user(0, &ctx->stack.flags);
-
- error |= __put_user(0, &ctx->weird_graphics_thing);
- error |= __put_user(0, &ctx->regs[0]);
- for (i = 1; i < 32; i++)
- error |= __put_user(regs->regs[i], &ctx->regs[i]);
- error |= __put_user(regs->lo, &ctx->regs[32]);
- error |= __put_user(regs->hi, &ctx->regs[33]);
- error |= __put_user(regs->cp0_cause, &ctx->regs[34]);
- error |= __put_user(regs->cp0_epc, &ctx->regs[35]);
-
- flags = 0x0f;
- if (!used_math()) {
- flags &= ~(0x08);
- } else {
- /* XXX wheee... */
- printk("Wheee, no code for saving IRIX FPU context yet.\n");
- }
- error |= __put_user(flags, &ctx->flags);
-
- return error;
-}
-
-asmlinkage void irix_setcontext(struct pt_regs *regs)
-{
- struct irix5_context __user *ctx;
- int err, base = 0;
- u32 flags;
-
- if (regs->regs[2] == 1000)
- base = 1;
- ctx = (struct irix5_context __user *) regs->regs[base + 4];
-
-#ifdef DEBUG_SIG
- printk("[%s:%d] irix_setcontext(%p)\n",
- current->comm, current->pid, ctx);
-#endif
-
- if (!access_ok(VERIFY_READ, ctx, sizeof(*ctx)))
- goto segv_and_exit;
-
- err = __get_user(flags, &ctx->flags);
- if (flags & 0x02) {
- /* XXX sigstack garbage, todo... */
- printk("Wheee, cannot do sigstack stuff in setcontext\n");
- }
-
- if (flags & 0x04) {
- int i;
-
- /* XXX extra control block stuff... todo... */
- for (i = 1; i < 32; i++)
- err |= __get_user(regs->regs[i], &ctx->regs[i]);
- err |= __get_user(regs->lo, &ctx->regs[32]);
- err |= __get_user(regs->hi, &ctx->regs[33]);
- err |= __get_user(regs->cp0_epc, &ctx->regs[35]);
- }
-
- if (flags & 0x08)
- /* XXX fpu context, blah... */
- printk(KERN_ERR "Wheee, cannot restore FPU context yet...\n");
-
- err |= __get_user(current->thread.irix_oldctx, &ctx->link);
- if (err)
- goto segv_and_exit;
-
- /*
- * Don't let your children do this ...
- */
- __asm__ __volatile__(
- "move\t$29,%0\n\t"
- "j\tsyscall_exit"
- :/* no outputs */
- :"r" (®s));
- /* Unreached */
-
-segv_and_exit:
- force_sigsegv(SIGSEGV, current);
-}
-
-struct irix_sigstack {
- unsigned long sp;
- int status;
-};
-
-asmlinkage int irix_sigstack(struct irix_sigstack __user *new,
- struct irix_sigstack __user *old)
-{
-#ifdef DEBUG_SIG
- printk("[%s:%d] irix_sigstack(%p,%p)\n",
- current->comm, current->pid, new, old);
-#endif
- if (new) {
- if (!access_ok(VERIFY_READ, new, sizeof(*new)))
- return -EFAULT;
- }
-
- if (old) {
- if (!access_ok(VERIFY_WRITE, old, sizeof(*old)))
- return -EFAULT;
- }
-
- return 0;
-}
-
-struct irix_sigaltstack { unsigned long sp; int size; int status; };
-
-asmlinkage int irix_sigaltstack(struct irix_sigaltstack __user *new,
- struct irix_sigaltstack __user *old)
-{
-#ifdef DEBUG_SIG
- printk("[%s:%d] irix_sigaltstack(%p,%p)\n",
- current->comm, current->pid, new, old);
-#endif
- if (new)
- if (!access_ok(VERIFY_READ, new, sizeof(*new)))
- return -EFAULT;
-
- if (old) {
- if (!access_ok(VERIFY_WRITE, old, sizeof(*old)))
- return -EFAULT;
- }
-
- return 0;
-}
-
-struct irix_procset {
- int cmd, ltype, lid, rtype, rid;
-};
-
-asmlinkage int irix_sigsendset(struct irix_procset __user *pset, int sig)
-{
- if (!access_ok(VERIFY_READ, pset, sizeof(*pset)))
- return -EFAULT;
-#ifdef DEBUG_SIG
- printk("[%s:%d] irix_sigsendset([%d,%d,%d,%d,%d],%d)\n",
- current->comm, current->pid,
- pset->cmd, pset->ltype, pset->lid, pset->rtype, pset->rid,
- sig);
-#endif
- return -EINVAL;
-}
*childregs = *regs;
childregs->regs[7] = 0; /* Clear error flag */
-#if defined(CONFIG_BINFMT_IRIX)
- if (current->personality != PER_LINUX) {
- /* Under IRIX things are a little different. */
- childregs->regs[3] = 1;
- regs->regs[3] = 0;
- }
-#endif
childregs->regs[2] = 0; /* Child gets zero as return value */
regs->regs[2] = p->pid;
lw t1, PT_EPC(sp) # skip syscall on return
-#if defined(CONFIG_BINFMT_IRIX)
- sltiu t0, v0, MAX_SYSCALL_NO + 1 # check syscall number
-#else
subu v0, v0, __NR_O32_Linux # check syscall number
sltiu t0, v0, __NR_O32_Linux_syscalls + 1
-#endif
addiu t1, 4 # skip to next instruction
sw t1, PT_EPC(sp)
beqz t0, illegal_syscall
END(sys_sysmips)
LEAF(sys_syscall)
-#if defined(CONFIG_BINFMT_IRIX)
- sltiu v0, a0, MAX_SYSCALL_NO + 1 # check syscall number
-#else
subu t0, a0, __NR_O32_Linux # check syscall number
sltiu v0, t0, __NR_O32_Linux_syscalls + 1
-#endif
sll t1, t0, 3
beqz v0, einval
lw t2, sys_call_table(t1) # syscall routine
-#if defined(CONFIG_BINFMT_IRIX)
- li v1, 4000 # nr of sys_syscall
-#else
li v1, 4000 - __NR_O32_Linux # index of sys_syscall
-#endif
beq t0, v1, einval # do not recurse
/* Some syscalls like execve get their arguments from struct pt_regs
.endm
.macro syscalltable
-#if defined(CONFIG_BINFMT_IRIX)
- mille sys_ni_syscall 0 /* 0 - 999 SVR4 flavour */
- mille sys_ni_syscall 0 /* 1000 - 1999 32-bit IRIX */
- mille sys_ni_syscall 0 /* 2000 - 2999 BSD43 flavour */
- mille sys_ni_syscall 0 /* 3000 - 3999 POSIX flavour */
-#endif
-
sys sys_syscall 8 /* 4000 */
sys sys_exit 1
sys sys_fork 0
+++ /dev/null
-/*
- * sysirix.c: IRIX system call emulation.
- *
- * Copyright (C) 1996 David S. Miller
- * Copyright (C) 1997 Miguel de Icaza
- * Copyright (C) 1997, 1998, 1999, 2000 Ralf Baechle
- */
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/binfmts.h>
-#include <linux/capability.h>
-#include <linux/highuid.h>
-#include <linux/pagemap.h>
-#include <linux/mm.h>
-#include <linux/mman.h>
-#include <linux/slab.h>
-#include <linux/swap.h>
-#include <linux/errno.h>
-#include <linux/time.h>
-#include <linux/timex.h>
-#include <linux/times.h>
-#include <linux/elf.h>
-#include <linux/msg.h>
-#include <linux/shm.h>
-#include <linux/smp.h>
-#include <linux/smp_lock.h>
-#include <linux/utsname.h>
-#include <linux/file.h>
-#include <linux/vfs.h>
-#include <linux/namei.h>
-#include <linux/socket.h>
-#include <linux/security.h>
-#include <linux/syscalls.h>
-#include <linux/resource.h>
-
-#include <asm/ptrace.h>
-#include <asm/page.h>
-#include <asm/uaccess.h>
-#include <asm/inventory.h>
-
-/* 2,191 lines of complete and utter shit coming up... */
-
-extern int max_threads;
-
-/* The sysmp commands supported thus far. */
-#define MP_NPROCS 1 /* # processor in complex */
-#define MP_NAPROCS 2 /* # active processors in complex */
-#define MP_PGSIZE 14 /* Return system page size in v1. */
-
-asmlinkage int irix_sysmp(struct pt_regs *regs)
-{
- unsigned long cmd;
- int base = 0;
- int error = 0;
-
- if(regs->regs[2] == 1000)
- base = 1;
- cmd = regs->regs[base + 4];
- switch(cmd) {
- case MP_PGSIZE:
- error = PAGE_SIZE;
- break;
- case MP_NPROCS:
- case MP_NAPROCS:
- error = num_online_cpus();
- break;
- default:
- printk("SYSMP[%s:%d]: Unsupported opcode %d\n",
- current->comm, current->pid, (int)cmd);
- error = -EINVAL;
- break;
- }
-
- return error;
-}
-
-/* The prctl commands. */
-#define PR_MAXPROCS 1 /* Tasks/user. */
-#define PR_ISBLOCKED 2 /* If blocked, return 1. */
-#define PR_SETSTACKSIZE 3 /* Set largest task stack size. */
-#define PR_GETSTACKSIZE 4 /* Get largest task stack size. */
-#define PR_MAXPPROCS 5 /* Num parallel tasks. */
-#define PR_UNBLKONEXEC 6 /* When task exec/exit's, unblock. */
-#define PR_SETEXITSIG 8 /* When task exit's, set signal. */
-#define PR_RESIDENT 9 /* Make task unswappable. */
-#define PR_ATTACHADDR 10 /* (Re-)Connect a vma to a task. */
-#define PR_DETACHADDR 11 /* Disconnect a vma from a task. */
-#define PR_TERMCHILD 12 /* Kill child if the parent dies. */
-#define PR_GETSHMASK 13 /* Get the sproc() share mask. */
-#define PR_GETNSHARE 14 /* Number of share group members. */
-#define PR_COREPID 15 /* Add task pid to name when it core. */
-#define PR_ATTACHADDRPERM 16 /* (Re-)Connect vma, with specified prot. */
-#define PR_PTHREADEXIT 17 /* Kill a pthread, only for IRIX 6.[234] */
-
-asmlinkage int irix_prctl(unsigned option, ...)
-{
- va_list args;
- int error = 0;
-
- va_start(args, option);
- switch (option) {
- case PR_MAXPROCS:
- printk("irix_prctl[%s:%d]: Wants PR_MAXPROCS\n",
- current->comm, current->pid);
- error = max_threads;
- break;
-
- case PR_ISBLOCKED: {
- struct task_struct *task;
-
- printk("irix_prctl[%s:%d]: Wants PR_ISBLOCKED\n",
- current->comm, current->pid);
- read_lock(&tasklist_lock);
- task = find_task_by_vpid(va_arg(args, pid_t));
- error = -ESRCH;
- if (error)
- error = (task->run_list.next != NULL);
- read_unlock(&tasklist_lock);
- /* Can _your_ OS find this out that fast? */
- break;
- }
-
- case PR_SETSTACKSIZE: {
- long value = va_arg(args, long);
-
- printk("irix_prctl[%s:%d]: Wants PR_SETSTACKSIZE<%08lx>\n",
- current->comm, current->pid, (unsigned long) value);
- if (value > RLIM_INFINITY)
- value = RLIM_INFINITY;
- if (capable(CAP_SYS_ADMIN)) {
- task_lock(current->group_leader);
- current->signal->rlim[RLIMIT_STACK].rlim_max =
- current->signal->rlim[RLIMIT_STACK].rlim_cur = value;
- task_unlock(current->group_leader);
- error = value;
- break;
- }
- task_lock(current->group_leader);
- if (value > current->signal->rlim[RLIMIT_STACK].rlim_max) {
- error = -EINVAL;
- task_unlock(current->group_leader);
- break;
- }
- current->signal->rlim[RLIMIT_STACK].rlim_cur = value;
- task_unlock(current->group_leader);
- error = value;
- break;
- }
-
- case PR_GETSTACKSIZE:
- printk("irix_prctl[%s:%d]: Wants PR_GETSTACKSIZE\n",
- current->comm, current->pid);
- error = current->signal->rlim[RLIMIT_STACK].rlim_cur;
- break;
-
- case PR_MAXPPROCS:
- printk("irix_prctl[%s:%d]: Wants PR_MAXPROCS\n",
- current->comm, current->pid);
- error = 1;
- break;
-
- case PR_UNBLKONEXEC:
- printk("irix_prctl[%s:%d]: Wants PR_UNBLKONEXEC\n",
- current->comm, current->pid);
- error = -EINVAL;
- break;
-
- case PR_SETEXITSIG:
- printk("irix_prctl[%s:%d]: Wants PR_SETEXITSIG\n",
- current->comm, current->pid);
-
- /* We can probably play some game where we set the task
- * exit_code to some non-zero value when this is requested,
- * and check whether exit_code is already set in do_exit().
- */
- error = -EINVAL;
- break;
-
- case PR_RESIDENT:
- printk("irix_prctl[%s:%d]: Wants PR_RESIDENT\n",
- current->comm, current->pid);
- error = 0; /* Compatibility indeed. */
- break;
-
- case PR_ATTACHADDR:
- printk("irix_prctl[%s:%d]: Wants PR_ATTACHADDR\n",
- current->comm, current->pid);
- error = -EINVAL;
- break;
-
- case PR_DETACHADDR:
- printk("irix_prctl[%s:%d]: Wants PR_DETACHADDR\n",
- current->comm, current->pid);
- error = -EINVAL;
- break;
-
- case PR_TERMCHILD:
- printk("irix_prctl[%s:%d]: Wants PR_TERMCHILD\n",
- current->comm, current->pid);
- error = -EINVAL;
- break;
-
- case PR_GETSHMASK:
- printk("irix_prctl[%s:%d]: Wants PR_GETSHMASK\n",
- current->comm, current->pid);
- error = -EINVAL; /* Until I have the sproc() stuff in. */
- break;
-
- case PR_GETNSHARE:
- error = 0; /* Until I have the sproc() stuff in. */
- break;
-
- case PR_COREPID:
- printk("irix_prctl[%s:%d]: Wants PR_COREPID\n",
- current->comm, current->pid);
- error = -EINVAL;
- break;
-
- case PR_ATTACHADDRPERM:
- printk("irix_prctl[%s:%d]: Wants PR_ATTACHADDRPERM\n",
- current->comm, current->pid);
- error = -EINVAL;
- break;
-
- default:
- printk("irix_prctl[%s:%d]: Non-existant opcode %d\n",
- current->comm, current->pid, option);
- error = -EINVAL;
- break;
- }
- va_end(args);
-
- return error;
-}
-
-#undef DEBUG_PROCGRPS
-
-extern unsigned long irix_mapelf(int fd, struct elf_phdr __user *user_phdrp, int cnt);
-extern char *prom_getenv(char *name);
-extern long prom_setenv(char *name, char *value);
-
-/* The syssgi commands supported thus far. */
-#define SGI_SYSID 1 /* Return unique per-machine identifier. */
-#define SGI_INVENT 5 /* Fetch inventory */
-# define SGI_INV_SIZEOF 1
-# define SGI_INV_READ 2
-#define SGI_RDNAME 6 /* Return string name of a process. */
-#define SGI_SETNVRAM 8 /* Set PROM variable. */
-#define SGI_GETNVRAM 9 /* Get PROM variable. */
-#define SGI_SETPGID 21 /* Set process group id. */
-#define SGI_SYSCONF 22 /* POSIX sysconf garbage. */
-#define SGI_PATHCONF 24 /* POSIX sysconf garbage. */
-#define SGI_SETGROUPS 40 /* POSIX sysconf garbage. */
-#define SGI_GETGROUPS 41 /* POSIX sysconf garbage. */
-#define SGI_RUSAGE 56 /* BSD style rusage(). */
-#define SGI_SSYNC 62 /* Synchronous fs sync. */
-#define SGI_GETSID 65 /* SysVr4 get session id. */
-#define SGI_ELFMAP 68 /* Map an elf image. */
-#define SGI_TOSSTSAVE 108 /* Toss saved vma's. */
-#define SGI_FP_BCOPY 129 /* Should FPU bcopy be used on this machine? */
-#define SGI_PHYSP 1011 /* Translate virtual into physical page. */
-
-asmlinkage int irix_syssgi(struct pt_regs *regs)
-{
- unsigned long cmd;
- int retval, base = 0;
-
- if (regs->regs[2] == 1000)
- base = 1;
-
- cmd = regs->regs[base + 4];
- switch(cmd) {
- case SGI_SYSID: {
- char __user *buf = (char __user *) regs->regs[base + 5];
-
- /* XXX Use ethernet addr.... */
- retval = clear_user(buf, 64) ? -EFAULT : 0;
- break;
- }
-#if 0
- case SGI_RDNAME: {
- int pid = (int) regs->regs[base + 5];
- char __user *buf = (char __user *) regs->regs[base + 6];
- struct task_struct *p;
- char tcomm[sizeof(current->comm)];
-
- read_lock(&tasklist_lock);
- p = find_task_by_pid(pid);
- if (!p) {
- read_unlock(&tasklist_lock);
- retval = -ESRCH;
- break;
- }
- get_task_comm(tcomm, p);
- read_unlock(&tasklist_lock);
-
- /* XXX Need to check sizes. */
- retval = copy_to_user(buf, tcomm, sizeof(tcomm)) ? -EFAULT : 0;
- break;
- }
-
- case SGI_GETNVRAM: {
- char __user *name = (char __user *) regs->regs[base+5];
- char __user *buf = (char __user *) regs->regs[base+6];
- char *value;
- return -EINVAL; /* til I fix it */
- value = prom_getenv(name); /* PROM lock? */
- if (!value) {
- retval = -EINVAL;
- break;
- }
- /* Do I strlen() for the length? */
- retval = copy_to_user(buf, value, 128) ? -EFAULT : 0;
- break;
- }
-
- case SGI_SETNVRAM: {
- char __user *name = (char __user *) regs->regs[base+5];
- char __user *value = (char __user *) regs->regs[base+6];
- return -EINVAL; /* til I fix it */
- retval = prom_setenv(name, value);
- /* XXX make sure retval conforms to syssgi(2) */
- printk("[%s:%d] setnvram(\"%s\", \"%s\"): retval %d",
- current->comm, current->pid, name, value, retval);
-/* if (retval == PROM_ENOENT)
- retval = -ENOENT; */
- break;
- }
-#endif
-
- case SGI_SETPGID: {
-#ifdef DEBUG_PROCGRPS
- printk("[%s:%d] setpgid(%d, %d) ",
- current->comm, current->pid,
- (int) regs->regs[base + 5], (int)regs->regs[base + 6]);
-#endif
- retval = sys_setpgid(regs->regs[base + 5], regs->regs[base + 6]);
-
-#ifdef DEBUG_PROCGRPS
- printk("retval=%d\n", retval);
-#endif
- }
-
- case SGI_SYSCONF: {
- switch(regs->regs[base + 5]) {
- case 1:
- retval = (MAX_ARG_PAGES >> 4); /* XXX estimate... */
- goto out;
- case 2:
- retval = max_threads;
- goto out;
- case 3:
- retval = HZ;
- goto out;
- case 4:
- retval = NGROUPS_MAX;
- goto out;
- case 5:
- retval = sysctl_nr_open;
- goto out;
- case 6:
- retval = 1;
- goto out;
- case 7:
- retval = 1;
- goto out;
- case 8:
- retval = 199009;
- goto out;
- case 11:
- retval = PAGE_SIZE;
- goto out;
- case 12:
- retval = 4;
- goto out;
- case 25:
- case 26:
- case 27:
- case 28:
- case 29:
- case 30:
- retval = 0;
- goto out;
- case 31:
- retval = 32;
- goto out;
- default:
- retval = -EINVAL;
- goto out;
- };
- }
-
- case SGI_SETGROUPS:
- retval = sys_setgroups((int) regs->regs[base + 5],
- (gid_t __user *) regs->regs[base + 6]);
- break;
-
- case SGI_GETGROUPS:
- retval = sys_getgroups((int) regs->regs[base + 5],
- (gid_t __user *) regs->regs[base + 6]);
- break;
-
- case SGI_RUSAGE: {
- struct rusage __user *ru = (struct rusage __user *) regs->regs[base + 6];
-
- switch((int) regs->regs[base + 5]) {
- case 0:
- /* rusage self */
- retval = getrusage(current, RUSAGE_SELF, ru);
- goto out;
-
- case -1:
- /* rusage children */
- retval = getrusage(current, RUSAGE_CHILDREN, ru);
- goto out;
-
- default:
- retval = -EINVAL;
- goto out;
- };
- }
-
- case SGI_SSYNC:
- sys_sync();
- retval = 0;
- break;
-
- case SGI_GETSID:
-#ifdef DEBUG_PROCGRPS
- printk("[%s:%d] getsid(%d) ", current->comm, current->pid,
- (int) regs->regs[base + 5]);
-#endif
- retval = sys_getsid(regs->regs[base + 5]);
-#ifdef DEBUG_PROCGRPS
- printk("retval=%d\n", retval);
-#endif
- break;
-
- case SGI_ELFMAP:
- retval = irix_mapelf((int) regs->regs[base + 5],
- (struct elf_phdr __user *) regs->regs[base + 6],
- (int) regs->regs[base + 7]);
- break;
-
- case SGI_TOSSTSAVE:
- /* XXX We don't need to do anything? */
- retval = 0;
- break;
-
- case SGI_FP_BCOPY:
- retval = 0;
- break;
-
- case SGI_PHYSP: {
- unsigned long addr = regs->regs[base + 5];
- int __user *pageno = (int __user *) (regs->regs[base + 6]);
- struct mm_struct *mm = current->mm;
- pgd_t *pgdp;
- pud_t *pudp;
- pmd_t *pmdp;
- pte_t *ptep;
-
- down_read(&mm->mmap_sem);
- pgdp = pgd_offset(mm, addr);
- pudp = pud_offset(pgdp, addr);
- pmdp = pmd_offset(pudp, addr);
- ptep = pte_offset(pmdp, addr);
- retval = -EINVAL;
- if (ptep) {
- pte_t pte = *ptep;
-
- if (pte_val(pte) & (_PAGE_VALID | _PAGE_PRESENT)) {
- /* b0rked on 64-bit */
- retval = put_user((pte_val(pte) & PAGE_MASK) >>
- PAGE_SHIFT, pageno);
- }
- }
- up_read(&mm->mmap_sem);
- break;
- }
-
- case SGI_INVENT: {
- int arg1 = (int) regs->regs [base + 5];
- void __user *buffer = (void __user *) regs->regs [base + 6];
- int count = (int) regs->regs [base + 7];
-
- switch (arg1) {
- case SGI_INV_SIZEOF:
- retval = sizeof(inventory_t);
- break;
- case SGI_INV_READ:
- retval = dump_inventory_to_user(buffer, count);
- break;
- default:
- retval = -EINVAL;
- }
- break;
- }
-
- default:
- printk("irix_syssgi: Unsupported command %d\n", (int)cmd);
- retval = -EINVAL;
- break;
- };
-
-out:
- return retval;
-}
-
-asmlinkage int irix_gtime(struct pt_regs *regs)
-{
- return get_seconds();
-}
-
-/*
- * IRIX is completely broken... it returns 0 on success, otherwise
- * ENOMEM.
- */
-asmlinkage int irix_brk(unsigned long brk)
-{
- unsigned long rlim;
- unsigned long newbrk, oldbrk;
- struct mm_struct *mm = current->mm;
- int ret;
-
- down_write(&mm->mmap_sem);
- if (brk < mm->end_code) {
- ret = -ENOMEM;
- goto out;
- }
-
- newbrk = PAGE_ALIGN(brk);
- oldbrk = PAGE_ALIGN(mm->brk);
- if (oldbrk == newbrk) {
- mm->brk = brk;
- ret = 0;
- goto out;
- }
-
- /*
- * Always allow shrinking brk
- */
- if (brk <= mm->brk) {
- mm->brk = brk;
- do_munmap(mm, newbrk, oldbrk-newbrk);
- ret = 0;
- goto out;
- }
- /*
- * Check against rlimit and stack..
- */
- rlim = current->signal->rlim[RLIMIT_DATA].rlim_cur;
- if (rlim >= RLIM_INFINITY)
- rlim = ~0;
- if (brk - mm->end_code > rlim) {
- ret = -ENOMEM;
- goto out;
- }
-
- /*
- * Check against existing mmap mappings.
- */
- if (find_vma_intersection(mm, oldbrk, newbrk+PAGE_SIZE)) {
- ret = -ENOMEM;
- goto out;
- }
-
- /*
- * Ok, looks good - let it rip.
- */
- if (do_brk(oldbrk, newbrk-oldbrk) != oldbrk) {
- ret = -ENOMEM;
- goto out;
- }
- mm->brk = brk;
- ret = 0;
-
-out:
- up_write(&mm->mmap_sem);
- return ret;
-}
-
-asmlinkage int irix_getpid(struct pt_regs *regs)
-{
- regs->regs[3] = task_pid_vnr(current->real_parent);
- return task_pid_vnr(current);
-}
-
-asmlinkage int irix_getuid(struct pt_regs *regs)
-{
- regs->regs[3] = current->euid;
- return current->uid;
-}
-
-asmlinkage int irix_getgid(struct pt_regs *regs)
-{
- regs->regs[3] = current->egid;
- return current->gid;
-}
-
-asmlinkage int irix_stime(int value)
-{
- int err;
- struct timespec tv;
-
- tv.tv_sec = value;
- tv.tv_nsec = 0;
- err = security_settime(&tv, NULL);
- if (err)
- return err;
-
- write_seqlock_irq(&xtime_lock);
- xtime.tv_sec = value;
- xtime.tv_nsec = 0;
- ntp_clear();
- write_sequnlock_irq(&xtime_lock);
-
- return 0;
-}
-
-static inline void jiffiestotv(unsigned long jiffies, struct timeval *value)
-{
- value->tv_usec = (jiffies % HZ) * (1000000 / HZ);
- value->tv_sec = jiffies / HZ;
-}
-
-static inline void getitimer_real(struct itimerval *value)
-{
- register unsigned long val, interval;
-
- interval = current->it_real_incr;
- val = 0;
- if (del_timer(¤t->real_timer)) {
- unsigned long now = jiffies;
- val = current->real_timer.expires;
- add_timer(¤t->real_timer);
- /* look out for negative/zero itimer.. */
- if (val <= now)
- val = now+1;
- val -= now;
- }
- jiffiestotv(val, &value->it_value);
- jiffiestotv(interval, &value->it_interval);
-}
-
-asmlinkage unsigned int irix_alarm(unsigned int seconds)
-{
- return alarm_setitimer(seconds);
-}
-
-asmlinkage int irix_pause(void)
-{
- current->state = TASK_INTERRUPTIBLE;
- schedule();
-
- return -EINTR;
-}
-
-/* XXX need more than this... */
-asmlinkage int irix_mount(char __user *dev_name, char __user *dir_name,
- unsigned long flags, char __user *type, void __user *data, int datalen)
-{
- printk("[%s:%d] irix_mount(%p,%p,%08lx,%p,%p,%d)\n",
- current->comm, current->pid,
- dev_name, dir_name, flags, type, data, datalen);
-
- return sys_mount(dev_name, dir_name, type, flags, data);
-}
-
-struct irix_statfs {
- short f_type;
- long f_bsize, f_frsize, f_blocks, f_bfree, f_files, f_ffree;
- char f_fname[6], f_fpack[6];
-};
-
-asmlinkage int irix_statfs(const char __user *path,
- struct irix_statfs __user *buf, int len, int fs_type)
-{
- struct nameidata nd;
- struct kstatfs kbuf;
- int error, i;
-
- /* We don't support this feature yet. */
- if (fs_type) {
- error = -EINVAL;
- goto out;
- }
- if (!access_ok(VERIFY_WRITE, buf, sizeof(struct irix_statfs))) {
- error = -EFAULT;
- goto out;
- }
-
- error = user_path_walk(path, &nd);
- if (error)
- goto out;
-
- error = vfs_statfs(nd.path.dentry, &kbuf);
- if (error)
- goto dput_and_out;
-
- error = __put_user(kbuf.f_type, &buf->f_type);
- error |= __put_user(kbuf.f_bsize, &buf->f_bsize);
- error |= __put_user(kbuf.f_frsize, &buf->f_frsize);
- error |= __put_user(kbuf.f_blocks, &buf->f_blocks);
- error |= __put_user(kbuf.f_bfree, &buf->f_bfree);
- error |= __put_user(kbuf.f_files, &buf->f_files);
- error |= __put_user(kbuf.f_ffree, &buf->f_ffree);
- for (i = 0; i < 6; i++) {
- error |= __put_user(0, &buf->f_fname[i]);
- error |= __put_user(0, &buf->f_fpack[i]);
- }
-
-dput_and_out:
- path_put(&nd.path);
-out:
- return error;
-}
-
-asmlinkage int irix_fstatfs(unsigned int fd, struct irix_statfs __user *buf)
-{
- struct kstatfs kbuf;
- struct file *file;
- int error, i;
-
- if (!access_ok(VERIFY_WRITE, buf, sizeof(struct irix_statfs))) {
- error = -EFAULT;
- goto out;
- }
-
- if (!(file = fget(fd))) {
- error = -EBADF;
- goto out;
- }
-
- error = vfs_statfs(file->f_path.dentry, &kbuf);
- if (error)
- goto out_f;
-
- error = __put_user(kbuf.f_type, &buf->f_type);
- error |= __put_user(kbuf.f_bsize, &buf->f_bsize);
- error |= __put_user(kbuf.f_frsize, &buf->f_frsize);
- error |= __put_user(kbuf.f_blocks, &buf->f_blocks);
- error |= __put_user(kbuf.f_bfree, &buf->f_bfree);
- error |= __put_user(kbuf.f_files, &buf->f_files);
- error |= __put_user(kbuf.f_ffree, &buf->f_ffree);
-
- for (i = 0; i < 6; i++) {
- error |= __put_user(0, &buf->f_fname[i]);
- error |= __put_user(0, &buf->f_fpack[i]);
- }
-
-out_f:
- fput(file);
-out:
- return error;
-}
-
-asmlinkage int irix_setpgrp(int flags)
-{
- int error;
-
-#ifdef DEBUG_PROCGRPS
- printk("[%s:%d] setpgrp(%d) ", current->comm, current->pid, flags);
-#endif
- if(!flags)
- error = task_pgrp_vnr(current);
- else
- error = sys_setsid();
-#ifdef DEBUG_PROCGRPS
- printk("returning %d\n", error);
-#endif
-
- return error;
-}
-
-asmlinkage int irix_times(struct tms __user *tbuf)
-{
- int err = 0;
-
- if (tbuf) {
- if (!access_ok(VERIFY_WRITE, tbuf, sizeof *tbuf))
- return -EFAULT;
-
- err = __put_user(current->utime, &tbuf->tms_utime);
- err |= __put_user(current->stime, &tbuf->tms_stime);
- err |= __put_user(current->signal->cutime, &tbuf->tms_cutime);
- err |= __put_user(current->signal->cstime, &tbuf->tms_cstime);
- }
-
- return err;
-}
-
-asmlinkage int irix_exec(struct pt_regs *regs)
-{
- int error, base = 0;
- char *filename;
-
- if(regs->regs[2] == 1000)
- base = 1;
- filename = getname((char __user *) (long)regs->regs[base + 4]);
- error = PTR_ERR(filename);
- if (IS_ERR(filename))
- return error;
-
- error = do_execve(filename, (char __user * __user *) (long)regs->regs[base + 5],
- NULL, regs);
- putname(filename);
-
- return error;
-}
-
-asmlinkage int irix_exece(struct pt_regs *regs)
-{
- int error, base = 0;
- char *filename;
-
- if (regs->regs[2] == 1000)
- base = 1;
- filename = getname((char __user *) (long)regs->regs[base + 4]);
- error = PTR_ERR(filename);
- if (IS_ERR(filename))
- return error;
- error = do_execve(filename, (char __user * __user *) (long)regs->regs[base + 5],
- (char __user * __user *) (long)regs->regs[base + 6], regs);
- putname(filename);
-
- return error;
-}
-
-asmlinkage unsigned long irix_gethostid(void)
-{
- printk("[%s:%d]: irix_gethostid() called...\n",
- current->comm, current->pid);
-
- return -EINVAL;
-}
-
-asmlinkage unsigned long irix_sethostid(unsigned long val)
-{
- printk("[%s:%d]: irix_sethostid(%08lx) called...\n",
- current->comm, current->pid, val);
-
- return -EINVAL;
-}
-
-asmlinkage int irix_socket(int family, int type, int protocol)
-{
- switch(type) {
- case 1:
- type = SOCK_DGRAM;
- break;
-
- case 2:
- type = SOCK_STREAM;
- break;
-
- case 3:
- type = 9; /* Invalid... */
- break;
-
- case 4:
- type = SOCK_RAW;
- break;
-
- case 5:
- type = SOCK_RDM;
- break;
-
- case 6:
- type = SOCK_SEQPACKET;
- break;
-
- default:
- break;
- }
-
- return sys_socket(family, type, protocol);
-}
-
-asmlinkage int irix_getdomainname(char __user *name, int len)
-{
- int err;
-
- down_read(&uts_sem);
- if (len > __NEW_UTS_LEN)
- len = __NEW_UTS_LEN;
- err = copy_to_user(name, utsname()->domainname, len) ? -EFAULT : 0;
- up_read(&uts_sem);
-
- return err;
-}
-
-asmlinkage unsigned long irix_getpagesize(void)
-{
- return PAGE_SIZE;
-}
-
-asmlinkage int irix_msgsys(int opcode, unsigned long arg0, unsigned long arg1,
- unsigned long arg2, unsigned long arg3,
- unsigned long arg4)
-{
- switch (opcode) {
- case 0:
- return sys_msgget((key_t) arg0, (int) arg1);
- case 1:
- return sys_msgctl((int) arg0, (int) arg1,
- (struct msqid_ds __user *)arg2);
- case 2:
- return sys_msgrcv((int) arg0, (struct msgbuf __user *) arg1,
- (size_t) arg2, (long) arg3, (int) arg4);
- case 3:
- return sys_msgsnd((int) arg0, (struct msgbuf __user *) arg1,
- (size_t) arg2, (int) arg3);
- default:
- return -EINVAL;
- }
-}
-
-asmlinkage int irix_shmsys(int opcode, unsigned long arg0, unsigned long arg1,
- unsigned long arg2, unsigned long arg3)
-{
- switch (opcode) {
- case 0:
- return do_shmat((int) arg0, (char __user *) arg1, (int) arg2,
- (unsigned long *) arg3);
- case 1:
- return sys_shmctl((int)arg0, (int)arg1,
- (struct shmid_ds __user *)arg2);
- case 2:
- return sys_shmdt((char __user *)arg0);
- case 3:
- return sys_shmget((key_t) arg0, (int) arg1, (int) arg2);
- default:
- return -EINVAL;
- }
-}
-
-asmlinkage int irix_semsys(int opcode, unsigned long arg0, unsigned long arg1,
- unsigned long arg2, int arg3)
-{
- switch (opcode) {
- case 0:
- return sys_semctl((int) arg0, (int) arg1, (int) arg2,
- (union semun) arg3);
- case 1:
- return sys_semget((key_t) arg0, (int) arg1, (int) arg2);
- case 2:
- return sys_semop((int) arg0, (struct sembuf __user *)arg1,
- (unsigned int) arg2);
- default:
- return -EINVAL;
- }
-}
-
-static inline loff_t llseek(struct file *file, loff_t offset, int origin)
-{
- loff_t (*fn)(struct file *, loff_t, int);
- loff_t retval;
-
- fn = default_llseek;
- if (file->f_op && file->f_op->llseek)
- fn = file->f_op->llseek;
- lock_kernel();
- retval = fn(file, offset, origin);
- unlock_kernel();
-
- return retval;
-}
-
-asmlinkage int irix_lseek64(int fd, int _unused, int offhi, int offlow,
- int origin)
-{
- struct file * file;
- loff_t offset;
- int retval;
-
- retval = -EBADF;
- file = fget(fd);
- if (!file)
- goto bad;
- retval = -EINVAL;
- if (origin > 2)
- goto out_putf;
-
- offset = llseek(file, ((loff_t) offhi << 32) | offlow, origin);
- retval = (int) offset;
-
-out_putf:
- fput(file);
-bad:
- return retval;
-}
-
-asmlinkage int irix_sginap(int ticks)
-{
- schedule_timeout_interruptible(ticks);
- return 0;
-}
-
-asmlinkage int irix_sgikopt(char __user *istring, char __user *ostring, int len)
-{
- return -EINVAL;
-}
-
-asmlinkage int irix_gettimeofday(struct timeval __user *tv)
-{
- time_t sec;
- long nsec, seq;
- int err;
-
- if (!access_ok(VERIFY_WRITE, tv, sizeof(struct timeval)))
- return -EFAULT;
-
- do {
- seq = read_seqbegin(&xtime_lock);
- sec = xtime.tv_sec;
- nsec = xtime.tv_nsec;
- } while (read_seqretry(&xtime_lock, seq));
-
- err = __put_user(sec, &tv->tv_sec);
- err |= __put_user((nsec / 1000), &tv->tv_usec);
-
- return err;
-}
-
-#define IRIX_MAP_AUTOGROW 0x40
-
-asmlinkage unsigned long irix_mmap32(unsigned long addr, size_t len, int prot,
- int flags, int fd, off_t offset)
-{
- struct file *file = NULL;
- unsigned long retval;
-
- if (!(flags & MAP_ANONYMOUS)) {
- if (!(file = fget(fd)))
- return -EBADF;
-
- /* Ok, bad taste hack follows, try to think in something else
- * when reading this. */
- if (flags & IRIX_MAP_AUTOGROW) {
- unsigned long old_pos;
- long max_size = offset + len;
-
- if (max_size > file->f_path.dentry->d_inode->i_size) {
- old_pos = sys_lseek(fd, max_size - 1, 0);
- sys_write(fd, (void __user *) "", 1);
- sys_lseek(fd, old_pos, 0);
- }
- }
- }
-
- flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
-
- down_write(¤t->mm->mmap_sem);
- retval = do_mmap(file, addr, len, prot, flags, offset);
- up_write(¤t->mm->mmap_sem);
- if (file)
- fput(file);
-
- return retval;
-}
-
-asmlinkage int irix_madvise(unsigned long addr, int len, int behavior)
-{
- printk("[%s:%d] Wheee.. irix_madvise(%08lx,%d,%d)\n",
- current->comm, current->pid, addr, len, behavior);
-
- return -EINVAL;
-}
-
-asmlinkage int irix_pagelock(char __user *addr, int len, int op)
-{
- printk("[%s:%d] Wheee.. irix_pagelock(%p,%d,%d)\n",
- current->comm, current->pid, addr, len, op);
-
- return -EINVAL;
-}
-
-asmlinkage int irix_quotactl(struct pt_regs *regs)
-{
- printk("[%s:%d] Wheee.. irix_quotactl()\n",
- current->comm, current->pid);
-
- return -EINVAL;
-}
-
-asmlinkage int irix_BSDsetpgrp(int pid, int pgrp)
-{
- int error;
-
-#ifdef DEBUG_PROCGRPS
- printk("[%s:%d] BSDsetpgrp(%d, %d) ", current->comm, current->pid,
- pid, pgrp);
-#endif
- if(!pid)
- pid = task_pid_vnr(current);
-
- /* Wheee, weird sysv thing... */
- if ((pgrp == 0) && (pid == task_pid_vnr(current)))
- error = sys_setsid();
- else
- error = sys_setpgid(pid, pgrp);
-
-#ifdef DEBUG_PROCGRPS
- printk("error = %d\n", error);
-#endif
-
- return error;
-}
-
-asmlinkage int irix_systeminfo(int cmd, char __user *buf, int cnt)
-{
- printk("[%s:%d] Wheee.. irix_systeminfo(%d,%p,%d)\n",
- current->comm, current->pid, cmd, buf, cnt);
-
- return -EINVAL;
-}
-
-struct iuname {
- char sysname[257], nodename[257], release[257];
- char version[257], machine[257];
- char m_type[257], base_rel[257];
- char _unused0[257], _unused1[257], _unused2[257];
- char _unused3[257], _unused4[257], _unused5[257];
-};
-
-asmlinkage int irix_uname(struct iuname __user *buf)
-{
- down_read(&uts_sem);
- if (copy_from_user(utsname()->sysname, buf->sysname, 65)
- || copy_from_user(utsname()->nodename, buf->nodename, 65)
- || copy_from_user(utsname()->release, buf->release, 65)
- || copy_from_user(utsname()->version, buf->version, 65)
- || copy_from_user(utsname()->machine, buf->machine, 65)) {
- return -EFAULT;
- }
- up_read(&uts_sem);
-
- return 1;
-}
-
-#undef DEBUG_XSTAT
-
-static int irix_xstat32_xlate(struct kstat *stat, void __user *ubuf)
-{
- struct xstat32 {
- u32 st_dev, st_pad1[3], st_ino, st_mode, st_nlink, st_uid, st_gid;
- u32 st_rdev, st_pad2[2], st_size, st_pad3;
- u32 st_atime0, st_atime1;
- u32 st_mtime0, st_mtime1;
- u32 st_ctime0, st_ctime1;
- u32 st_blksize, st_blocks;
- char st_fstype[16];
- u32 st_pad4[8];
- } ub;
-
- if (!sysv_valid_dev(stat->dev) || !sysv_valid_dev(stat->rdev))
- return -EOVERFLOW;
- ub.st_dev = sysv_encode_dev(stat->dev);
- ub.st_ino = stat->ino;
- ub.st_mode = stat->mode;
- ub.st_nlink = stat->nlink;
- SET_UID(ub.st_uid, stat->uid);
- SET_GID(ub.st_gid, stat->gid);
- ub.st_rdev = sysv_encode_dev(stat->rdev);
-#if BITS_PER_LONG == 32
- if (stat->size > MAX_NON_LFS)
- return -EOVERFLOW;
-#endif
- ub.st_size = stat->size;
- ub.st_atime0 = stat->atime.tv_sec;
- ub.st_atime1 = stat->atime.tv_nsec;
- ub.st_mtime0 = stat->mtime.tv_sec;
- ub.st_mtime1 = stat->atime.tv_nsec;
- ub.st_ctime0 = stat->ctime.tv_sec;
- ub.st_ctime1 = stat->atime.tv_nsec;
- ub.st_blksize = stat->blksize;
- ub.st_blocks = stat->blocks;
- strcpy(ub.st_fstype, "efs");
-
- return copy_to_user(ubuf, &ub, sizeof(ub)) ? -EFAULT : 0;
-}
-
-static int irix_xstat64_xlate(struct kstat *stat, void __user *ubuf)
-{
- struct xstat64 {
- u32 st_dev; s32 st_pad1[3];
- unsigned long long st_ino;
- u32 st_mode;
- u32 st_nlink; s32 st_uid; s32 st_gid; u32 st_rdev;
- s32 st_pad2[2];
- long long st_size;
- s32 st_pad3;
- struct { s32 tv_sec, tv_nsec; } st_atime, st_mtime, st_ctime;
- s32 st_blksize;
- long long st_blocks;
- char st_fstype[16];
- s32 st_pad4[8];
- } ks;
-
- if (!sysv_valid_dev(stat->dev) || !sysv_valid_dev(stat->rdev))
- return -EOVERFLOW;
-
- ks.st_dev = sysv_encode_dev(stat->dev);
- ks.st_pad1[0] = ks.st_pad1[1] = ks.st_pad1[2] = 0;
- ks.st_ino = (unsigned long long) stat->ino;
- ks.st_mode = (u32) stat->mode;
- ks.st_nlink = (u32) stat->nlink;
- ks.st_uid = (s32) stat->uid;
- ks.st_gid = (s32) stat->gid;
- ks.st_rdev = sysv_encode_dev(stat->rdev);
- ks.st_pad2[0] = ks.st_pad2[1] = 0;
- ks.st_size = (long long) stat->size;
- ks.st_pad3 = 0;
-
- /* XXX hackety hack... */
- ks.st_atime.tv_sec = (s32) stat->atime.tv_sec;
- ks.st_atime.tv_nsec = stat->atime.tv_nsec;
- ks.st_mtime.tv_sec = (s32) stat->mtime.tv_sec;
- ks.st_mtime.tv_nsec = stat->mtime.tv_nsec;
- ks.st_ctime.tv_sec = (s32) stat->ctime.tv_sec;
- ks.st_ctime.tv_nsec = stat->ctime.tv_nsec;
-
- ks.st_blksize = (s32) stat->blksize;
- ks.st_blocks = (long long) stat->blocks;
- memset(ks.st_fstype, 0, 16);
- ks.st_pad4[0] = ks.st_pad4[1] = ks.st_pad4[2] = ks.st_pad4[3] = 0;
- ks.st_pad4[4] = ks.st_pad4[5] = ks.st_pad4[6] = ks.st_pad4[7] = 0;
-
- /* Now write it all back. */
- return copy_to_user(ubuf, &ks, sizeof(ks)) ? -EFAULT : 0;
-}
-
-asmlinkage int irix_xstat(int version, char __user *filename, struct stat __user *statbuf)
-{
- int retval;
- struct kstat stat;
-
-#ifdef DEBUG_XSTAT
- printk("[%s:%d] Wheee.. irix_xstat(%d,%s,%p) ",
- current->comm, current->pid, version, filename, statbuf);
-#endif
-
- retval = vfs_stat(filename, &stat);
- if (!retval) {
- switch(version) {
- case 2:
- retval = irix_xstat32_xlate(&stat, statbuf);
- break;
- case 3:
- retval = irix_xstat64_xlate(&stat, statbuf);
- break;
- default:
- retval = -EINVAL;
- }
- }
- return retval;
-}
-
-asmlinkage int irix_lxstat(int version, char __user *filename, struct stat __user *statbuf)
-{
- int error;
- struct kstat stat;
-
-#ifdef DEBUG_XSTAT
- printk("[%s:%d] Wheee.. irix_lxstat(%d,%s,%p) ",
- current->comm, current->pid, version, filename, statbuf);
-#endif
-
- error = vfs_lstat(filename, &stat);
-
- if (!error) {
- switch (version) {
- case 2:
- error = irix_xstat32_xlate(&stat, statbuf);
- break;
- case 3:
- error = irix_xstat64_xlate(&stat, statbuf);
- break;
- default:
- error = -EINVAL;
- }
- }
- return error;
-}
-
-asmlinkage int irix_fxstat(int version, int fd, struct stat __user *statbuf)
-{
- int error;
- struct kstat stat;
-
-#ifdef DEBUG_XSTAT
- printk("[%s:%d] Wheee.. irix_fxstat(%d,%d,%p) ",
- current->comm, current->pid, version, fd, statbuf);
-#endif
-
- error = vfs_fstat(fd, &stat);
- if (!error) {
- switch (version) {
- case 2:
- error = irix_xstat32_xlate(&stat, statbuf);
- break;
- case 3:
- error = irix_xstat64_xlate(&stat, statbuf);
- break;
- default:
- error = -EINVAL;
- }
- }
- return error;
-}
-
-asmlinkage int irix_xmknod(int ver, char __user *filename, int mode, unsigned dev)
-{
- int retval;
- printk("[%s:%d] Wheee.. irix_xmknod(%d,%s,%x,%x)\n",
- current->comm, current->pid, ver, filename, mode, dev);
-
- switch(ver) {
- case 2:
- /* shouldn't we convert here as well as on stat()? */
- retval = sys_mknod(filename, mode, dev);
- break;
-
- default:
- retval = -EINVAL;
- break;
- };
-
- return retval;
-}
-
-asmlinkage int irix_swapctl(int cmd, char __user *arg)
-{
- printk("[%s:%d] Wheee.. irix_swapctl(%d,%p)\n",
- current->comm, current->pid, cmd, arg);
-
- return -EINVAL;
-}
-
-struct irix_statvfs {
- u32 f_bsize; u32 f_frsize; u32 f_blocks;
- u32 f_bfree; u32 f_bavail; u32 f_files; u32 f_ffree; u32 f_favail;
- u32 f_fsid; char f_basetype[16];
- u32 f_flag; u32 f_namemax;
- char f_fstr[32]; u32 f_filler[16];
-};
-
-asmlinkage int irix_statvfs(char __user *fname, struct irix_statvfs __user *buf)
-{
- struct nameidata nd;
- struct kstatfs kbuf;
- int error, i;
-
- printk("[%s:%d] Wheee.. irix_statvfs(%s,%p)\n",
- current->comm, current->pid, fname, buf);
- if (!access_ok(VERIFY_WRITE, buf, sizeof(struct irix_statvfs)))
- return -EFAULT;
-
- error = user_path_walk(fname, &nd);
- if (error)
- goto out;
- error = vfs_statfs(nd.path.dentry, &kbuf);
- if (error)
- goto dput_and_out;
-
- error |= __put_user(kbuf.f_bsize, &buf->f_bsize);
- error |= __put_user(kbuf.f_frsize, &buf->f_frsize);
- error |= __put_user(kbuf.f_blocks, &buf->f_blocks);
- error |= __put_user(kbuf.f_bfree, &buf->f_bfree);
- error |= __put_user(kbuf.f_bfree, &buf->f_bavail); /* XXX hackety hack... */
- error |= __put_user(kbuf.f_files, &buf->f_files);
- error |= __put_user(kbuf.f_ffree, &buf->f_ffree);
- error |= __put_user(kbuf.f_ffree, &buf->f_favail); /* XXX hackety hack... */
-#ifdef __MIPSEB__
- error |= __put_user(kbuf.f_fsid.val[1], &buf->f_fsid);
-#else
- error |= __put_user(kbuf.f_fsid.val[0], &buf->f_fsid);
-#endif
- for (i = 0; i < 16; i++)
- error |= __put_user(0, &buf->f_basetype[i]);
- error |= __put_user(0, &buf->f_flag);
- error |= __put_user(kbuf.f_namelen, &buf->f_namemax);
- for (i = 0; i < 32; i++)
- error |= __put_user(0, &buf->f_fstr[i]);
-
-dput_and_out:
- path_put(&nd.path);
-out:
- return error;
-}
-
-asmlinkage int irix_fstatvfs(int fd, struct irix_statvfs __user *buf)
-{
- struct kstatfs kbuf;
- struct file *file;
- int error, i;
-
- printk("[%s:%d] Wheee.. irix_fstatvfs(%d,%p)\n",
- current->comm, current->pid, fd, buf);
-
- if (!access_ok(VERIFY_WRITE, buf, sizeof(struct irix_statvfs)))
- return -EFAULT;
-
- if (!(file = fget(fd))) {
- error = -EBADF;
- goto out;
- }
- error = vfs_statfs(file->f_path.dentry, &kbuf);
- if (error)
- goto out_f;
-
- error = __put_user(kbuf.f_bsize, &buf->f_bsize);
- error |= __put_user(kbuf.f_frsize, &buf->f_frsize);
- error |= __put_user(kbuf.f_blocks, &buf->f_blocks);
- error |= __put_user(kbuf.f_bfree, &buf->f_bfree);
- error |= __put_user(kbuf.f_bfree, &buf->f_bavail); /* XXX hackety hack... */
- error |= __put_user(kbuf.f_files, &buf->f_files);
- error |= __put_user(kbuf.f_ffree, &buf->f_ffree);
- error |= __put_user(kbuf.f_ffree, &buf->f_favail); /* XXX hackety hack... */
-#ifdef __MIPSEB__
- error |= __put_user(kbuf.f_fsid.val[1], &buf->f_fsid);
-#else
- error |= __put_user(kbuf.f_fsid.val[0], &buf->f_fsid);
-#endif
- for(i = 0; i < 16; i++)
- error |= __put_user(0, &buf->f_basetype[i]);
- error |= __put_user(0, &buf->f_flag);
- error |= __put_user(kbuf.f_namelen, &buf->f_namemax);
- error |= __clear_user(&buf->f_fstr, sizeof(buf->f_fstr)) ? -EFAULT : 0;
-
-out_f:
- fput(file);
-out:
- return error;
-}
-
-asmlinkage int irix_priocntl(struct pt_regs *regs)
-{
- printk("[%s:%d] Wheee.. irix_priocntl()\n",
- current->comm, current->pid);
-
- return -EINVAL;
-}
-
-asmlinkage int irix_sigqueue(int pid, int sig, int code, int val)
-{
- printk("[%s:%d] Wheee.. irix_sigqueue(%d,%d,%d,%d)\n",
- current->comm, current->pid, pid, sig, code, val);
-
- return -EINVAL;
-}
-
-asmlinkage int irix_truncate64(char __user *name, int pad, int size1, int size2)
-{
- int retval;
-
- if (size1) {
- retval = -EINVAL;
- goto out;
- }
- retval = sys_truncate(name, size2);
-
-out:
- return retval;
-}
-
-asmlinkage int irix_ftruncate64(int fd, int pad, int size1, int size2)
-{
- int retval;
-
- if (size1) {
- retval = -EINVAL;
- goto out;
- }
- retval = sys_ftruncate(fd, size2);
-
-out:
- return retval;
-}
-
-asmlinkage int irix_mmap64(struct pt_regs *regs)
-{
- int len, prot, flags, fd, off1, off2, error, base = 0;
- unsigned long addr, pgoff, *sp;
- struct file *file = NULL;
- int err;
-
- if (regs->regs[2] == 1000)
- base = 1;
- sp = (unsigned long *) (regs->regs[29] + 16);
- addr = regs->regs[base + 4];
- len = regs->regs[base + 5];
- prot = regs->regs[base + 6];
- if (!base) {
- flags = regs->regs[base + 7];
- if (!access_ok(VERIFY_READ, sp, (4 * sizeof(unsigned long))))
- return -EFAULT;
- fd = sp[0];
- err = __get_user(off1, &sp[1]);
- err |= __get_user(off2, &sp[2]);
- } else {
- if (!access_ok(VERIFY_READ, sp, (5 * sizeof(unsigned long))))
- return -EFAULT;
- err = __get_user(flags, &sp[0]);
- err |= __get_user(fd, &sp[1]);
- err |= __get_user(off1, &sp[2]);
- err |= __get_user(off2, &sp[3]);
- }
-
- if (err)
- return err;
-
- if (off1 & PAGE_MASK)
- return -EOVERFLOW;
-
- pgoff = (off1 << (32 - PAGE_SHIFT)) | (off2 >> PAGE_SHIFT);
-
- if (!(flags & MAP_ANONYMOUS)) {
- if (!(file = fget(fd)))
- return -EBADF;
-
- /* Ok, bad taste hack follows, try to think in something else
- when reading this */
- if (flags & IRIX_MAP_AUTOGROW) {
- unsigned long old_pos;
- long max_size = off2 + len;
-
- if (max_size > file->f_path.dentry->d_inode->i_size) {
- old_pos = sys_lseek(fd, max_size - 1, 0);
- sys_write(fd, (void __user *) "", 1);
- sys_lseek(fd, old_pos, 0);
- }
- }
- }
-
- flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
-
- down_write(¤t->mm->mmap_sem);
- error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
- up_write(¤t->mm->mmap_sem);
-
- if (file)
- fput(file);
-
- return error;
-}
-
-asmlinkage int irix_dmi(struct pt_regs *regs)
-{
- printk("[%s:%d] Wheee.. irix_dmi()\n",
- current->comm, current->pid);
-
- return -EINVAL;
-}
-
-asmlinkage int irix_pread(int fd, char __user *buf, int cnt, int off64,
- int off1, int off2)
-{
- printk("[%s:%d] Wheee.. irix_pread(%d,%p,%d,%d,%d,%d)\n",
- current->comm, current->pid, fd, buf, cnt, off64, off1, off2);
-
- return -EINVAL;
-}
-
-asmlinkage int irix_pwrite(int fd, char __user *buf, int cnt, int off64,
- int off1, int off2)
-{
- printk("[%s:%d] Wheee.. irix_pwrite(%d,%p,%d,%d,%d,%d)\n",
- current->comm, current->pid, fd, buf, cnt, off64, off1, off2);
-
- return -EINVAL;
-}
-
-asmlinkage int irix_sgifastpath(int cmd, unsigned long arg0, unsigned long arg1,
- unsigned long arg2, unsigned long arg3,
- unsigned long arg4, unsigned long arg5)
-{
- printk("[%s:%d] Wheee.. irix_fastpath(%d,%08lx,%08lx,%08lx,%08lx,"
- "%08lx,%08lx)\n",
- current->comm, current->pid, cmd, arg0, arg1, arg2,
- arg3, arg4, arg5);
-
- return -EINVAL;
-}
-
-struct irix_statvfs64 {
- u32 f_bsize; u32 f_frsize;
- u64 f_blocks; u64 f_bfree; u64 f_bavail;
- u64 f_files; u64 f_ffree; u64 f_favail;
- u32 f_fsid;
- char f_basetype[16];
- u32 f_flag; u32 f_namemax;
- char f_fstr[32];
- u32 f_filler[16];
-};
-
-asmlinkage int irix_statvfs64(char __user *fname, struct irix_statvfs64 __user *buf)
-{
- struct nameidata nd;
- struct kstatfs kbuf;
- int error, i;
-
- printk("[%s:%d] Wheee.. irix_statvfs64(%s,%p)\n",
- current->comm, current->pid, fname, buf);
- if (!access_ok(VERIFY_WRITE, buf, sizeof(struct irix_statvfs64))) {
- error = -EFAULT;
- goto out;
- }
-
- error = user_path_walk(fname, &nd);
- if (error)
- goto out;
- error = vfs_statfs(nd.path.dentry, &kbuf);
- if (error)
- goto dput_and_out;
-
- error = __put_user(kbuf.f_bsize, &buf->f_bsize);
- error |= __put_user(kbuf.f_frsize, &buf->f_frsize);
- error |= __put_user(kbuf.f_blocks, &buf->f_blocks);
- error |= __put_user(kbuf.f_bfree, &buf->f_bfree);
- error |= __put_user(kbuf.f_bfree, &buf->f_bavail); /* XXX hackety hack... */
- error |= __put_user(kbuf.f_files, &buf->f_files);
- error |= __put_user(kbuf.f_ffree, &buf->f_ffree);
- error |= __put_user(kbuf.f_ffree, &buf->f_favail); /* XXX hackety hack... */
-#ifdef __MIPSEB__
- error |= __put_user(kbuf.f_fsid.val[1], &buf->f_fsid);
-#else
- error |= __put_user(kbuf.f_fsid.val[0], &buf->f_fsid);
-#endif
- for(i = 0; i < 16; i++)
- error |= __put_user(0, &buf->f_basetype[i]);
- error |= __put_user(0, &buf->f_flag);
- error |= __put_user(kbuf.f_namelen, &buf->f_namemax);
- for(i = 0; i < 32; i++)
- error |= __put_user(0, &buf->f_fstr[i]);
-
-dput_and_out:
- path_put(&nd.path);
-out:
- return error;
-}
-
-asmlinkage int irix_fstatvfs64(int fd, struct irix_statvfs __user *buf)
-{
- struct kstatfs kbuf;
- struct file *file;
- int error, i;
-
- printk("[%s:%d] Wheee.. irix_fstatvfs64(%d,%p)\n",
- current->comm, current->pid, fd, buf);
-
- if (!access_ok(VERIFY_WRITE, buf, sizeof(struct irix_statvfs))) {
- error = -EFAULT;
- goto out;
- }
- if (!(file = fget(fd))) {
- error = -EBADF;
- goto out;
- }
- error = vfs_statfs(file->f_path.dentry, &kbuf);
- if (error)
- goto out_f;
-
- error = __put_user(kbuf.f_bsize, &buf->f_bsize);
- error |= __put_user(kbuf.f_frsize, &buf->f_frsize);
- error |= __put_user(kbuf.f_blocks, &buf->f_blocks);
- error |= __put_user(kbuf.f_bfree, &buf->f_bfree);
- error |= __put_user(kbuf.f_bfree, &buf->f_bavail); /* XXX hackety hack... */
- error |= __put_user(kbuf.f_files, &buf->f_files);
- error |= __put_user(kbuf.f_ffree, &buf->f_ffree);
- error |= __put_user(kbuf.f_ffree, &buf->f_favail); /* XXX hackety hack... */
-#ifdef __MIPSEB__
- error |= __put_user(kbuf.f_fsid.val[1], &buf->f_fsid);
-#else
- error |= __put_user(kbuf.f_fsid.val[0], &buf->f_fsid);
-#endif
- for(i = 0; i < 16; i++)
- error |= __put_user(0, &buf->f_basetype[i]);
- error |= __put_user(0, &buf->f_flag);
- error |= __put_user(kbuf.f_namelen, &buf->f_namemax);
- error |= __clear_user(buf->f_fstr, sizeof(buf->f_fstr[i])) ? -EFAULT : 0;
-
-out_f:
- fput(file);
-out:
- return error;
-}
-
-asmlinkage int irix_getmountid(char __user *fname, unsigned long __user *midbuf)
-{
- int err;
-
- printk("[%s:%d] irix_getmountid(%s, %p)\n",
- current->comm, current->pid, fname, midbuf);
- if (!access_ok(VERIFY_WRITE, midbuf, (sizeof(unsigned long) * 4)))
- return -EFAULT;
-
- /*
- * The idea with this system call is that when trying to determine
- * 'pwd' and it's a toss-up for some reason, userland can use the
- * fsid of the filesystem to try and make the right decision, but
- * we don't have this so for now. XXX
- */
- err = __put_user(0, &midbuf[0]);
- err |= __put_user(0, &midbuf[1]);
- err |= __put_user(0, &midbuf[2]);
- err |= __put_user(0, &midbuf[3]);
-
- return err;
-}
-
-asmlinkage int irix_nsproc(unsigned long entry, unsigned long mask,
- unsigned long arg, unsigned long sp, int slen)
-{
- printk("[%s:%d] Wheee.. irix_nsproc(%08lx,%08lx,%08lx,%08lx,%d)\n",
- current->comm, current->pid, entry, mask, arg, sp, slen);
-
- return -EINVAL;
-}
-
-#undef DEBUG_GETDENTS
-
-struct irix_dirent32 {
- u32 d_ino;
- u32 d_off;
- unsigned short d_reclen;
- char d_name[1];
-};
-
-struct irix_dirent32_callback {
- struct irix_dirent32 __user *current_dir;
- struct irix_dirent32 __user *previous;
- int count;
- int error;
-};
-
-#define NAME_OFFSET32(de) ((int) ((de)->d_name - (char *) (de)))
-#define ROUND_UP32(x) (((x)+sizeof(u32)-1) & ~(sizeof(u32)-1))
-
-static int irix_filldir32(void *__buf, const char *name,
- int namlen, loff_t offset, u64 ino, unsigned int d_type)
-{
- struct irix_dirent32 __user *dirent;
- struct irix_dirent32_callback *buf = __buf;
- unsigned short reclen = ROUND_UP32(NAME_OFFSET32(dirent) + namlen + 1);
- int err = 0;
- u32 d_ino;
-
-#ifdef DEBUG_GETDENTS
- printk("\nirix_filldir32[reclen<%d>namlen<%d>count<%d>]",
- reclen, namlen, buf->count);
-#endif
- buf->error = -EINVAL; /* only used if we fail.. */
- if (reclen > buf->count)
- return -EINVAL;
- d_ino = ino;
- if (sizeof(d_ino) < sizeof(ino) && d_ino != ino)
- return -EOVERFLOW;
- dirent = buf->previous;
- if (dirent)
- err = __put_user(offset, &dirent->d_off);
- dirent = buf->current_dir;
- err |= __put_user(dirent, &buf->previous);
- err |= __put_user(d_ino, &dirent->d_ino);
- err |= __put_user(reclen, &dirent->d_reclen);
- err |= copy_to_user((char __user *)dirent->d_name, name, namlen) ? -EFAULT : 0;
- err |= __put_user(0, &dirent->d_name[namlen]);
- dirent = (struct irix_dirent32 __user *) ((char __user *) dirent + reclen);
-
- buf->current_dir = dirent;
- buf->count -= reclen;
-
- return err;
-}
-
-asmlinkage int irix_ngetdents(unsigned int fd, void __user * dirent,
- unsigned int count, int __user *eob)
-{
- struct file *file;
- struct irix_dirent32 __user *lastdirent;
- struct irix_dirent32_callback buf;
- int error;
-
-#ifdef DEBUG_GETDENTS
- printk("[%s:%d] ngetdents(%d, %p, %d, %p) ", current->comm,
- current->pid, fd, dirent, count, eob);
-#endif
- error = -EBADF;
- file = fget(fd);
- if (!file)
- goto out;
-
- buf.current_dir = (struct irix_dirent32 __user *) dirent;
- buf.previous = NULL;
- buf.count = count;
- buf.error = 0;
-
- error = vfs_readdir(file, irix_filldir32, &buf);
- if (error < 0)
- goto out_putf;
-
- error = buf.error;
- lastdirent = buf.previous;
- if (lastdirent) {
- put_user(file->f_pos, &lastdirent->d_off);
- error = count - buf.count;
- }
-
- if (put_user(0, eob) < 0) {
- error = -EFAULT;
- goto out_putf;
- }
-
-#ifdef DEBUG_GETDENTS
- printk("eob=%d returning %d\n", *eob, count - buf.count);
-#endif
- error = count - buf.count;
-
-out_putf:
- fput(file);
-out:
- return error;
-}
-
-struct irix_dirent64 {
- u64 d_ino;
- u64 d_off;
- unsigned short d_reclen;
- char d_name[1];
-};
-
-struct irix_dirent64_callback {
- struct irix_dirent64 __user *curr;
- struct irix_dirent64 __user *previous;
- int count;
- int error;
-};
-
-#define NAME_OFFSET64(de) ((int) ((de)->d_name - (char *) (de)))
-#define ROUND_UP64(x) (((x)+sizeof(u64)-1) & ~(sizeof(u64)-1))
-
-static int irix_filldir64(void *__buf, const char *name,
- int namlen, loff_t offset, u64 ino, unsigned int d_type)
-{
- struct irix_dirent64 __user *dirent;
- struct irix_dirent64_callback * buf = __buf;
- unsigned short reclen = ROUND_UP64(NAME_OFFSET64(dirent) + namlen + 1);
- int err = 0;
-
- if (!access_ok(VERIFY_WRITE, buf, sizeof(*buf)))
- return -EFAULT;
-
- if (__put_user(-EINVAL, &buf->error)) /* only used if we fail.. */
- return -EFAULT;
- if (reclen > buf->count)
- return -EINVAL;
- dirent = buf->previous;
- if (dirent)
- err = __put_user(offset, &dirent->d_off);
- dirent = buf->curr;
- buf->previous = dirent;
- err |= __put_user(ino, &dirent->d_ino);
- err |= __put_user(reclen, &dirent->d_reclen);
- err |= __copy_to_user((char __user *)dirent->d_name, name, namlen)
- ? -EFAULT : 0;
- err |= __put_user(0, &dirent->d_name[namlen]);
-
- dirent = (struct irix_dirent64 __user *) ((char __user *) dirent + reclen);
-
- buf->curr = dirent;
- buf->count -= reclen;
-
- return err;
-}
-
-asmlinkage int irix_getdents64(int fd, void __user *dirent, int cnt)
-{
- struct file *file;
- struct irix_dirent64 __user *lastdirent;
- struct irix_dirent64_callback buf;
- int error;
-
-#ifdef DEBUG_GETDENTS
- printk("[%s:%d] getdents64(%d, %p, %d) ", current->comm,
- current->pid, fd, dirent, cnt);
-#endif
- error = -EBADF;
- if (!(file = fget(fd)))
- goto out;
-
- error = -EFAULT;
- if (!access_ok(VERIFY_WRITE, dirent, cnt))
- goto out_f;
-
- error = -EINVAL;
- if (cnt < (sizeof(struct irix_dirent64) + 255))
- goto out_f;
-
- buf.curr = (struct irix_dirent64 __user *) dirent;
- buf.previous = NULL;
- buf.count = cnt;
- buf.error = 0;
- error = vfs_readdir(file, irix_filldir64, &buf);
- if (error < 0)
- goto out_f;
- lastdirent = buf.previous;
- if (!lastdirent) {
- error = buf.error;
- goto out_f;
- }
- if (put_user(file->f_pos, &lastdirent->d_off))
- return -EFAULT;
-#ifdef DEBUG_GETDENTS
- printk("returning %d\n", cnt - buf.count);
-#endif
- error = cnt - buf.count;
-
-out_f:
- fput(file);
-out:
- return error;
-}
-
-asmlinkage int irix_ngetdents64(int fd, void __user *dirent, int cnt, int *eob)
-{
- struct file *file;
- struct irix_dirent64 __user *lastdirent;
- struct irix_dirent64_callback buf;
- int error;
-
-#ifdef DEBUG_GETDENTS
- printk("[%s:%d] ngetdents64(%d, %p, %d) ", current->comm,
- current->pid, fd, dirent, cnt);
-#endif
- error = -EBADF;
- if (!(file = fget(fd)))
- goto out;
-
- error = -EFAULT;
- if (!access_ok(VERIFY_WRITE, dirent, cnt) ||
- !access_ok(VERIFY_WRITE, eob, sizeof(*eob)))
- goto out_f;
-
- error = -EINVAL;
- if (cnt < (sizeof(struct irix_dirent64) + 255))
- goto out_f;
-
- *eob = 0;
- buf.curr = (struct irix_dirent64 __user *) dirent;
- buf.previous = NULL;
- buf.count = cnt;
- buf.error = 0;
- error = vfs_readdir(file, irix_filldir64, &buf);
- if (error < 0)
- goto out_f;
- lastdirent = buf.previous;
- if (!lastdirent) {
- error = buf.error;
- goto out_f;
- }
- if (put_user(file->f_pos, &lastdirent->d_off))
- return -EFAULT;
-#ifdef DEBUG_GETDENTS
- printk("eob=%d returning %d\n", *eob, cnt - buf.count);
-#endif
- error = cnt - buf.count;
-
-out_f:
- fput(file);
-out:
- return error;
-}
-
-asmlinkage int irix_uadmin(unsigned long op, unsigned long func, unsigned long arg)
-{
- int retval;
-
- switch (op) {
- case 1:
- /* Reboot */
- printk("[%s:%d] irix_uadmin: Wants to reboot...\n",
- current->comm, current->pid);
- retval = -EINVAL;
- goto out;
-
- case 2:
- /* Shutdown */
- printk("[%s:%d] irix_uadmin: Wants to shutdown...\n",
- current->comm, current->pid);
- retval = -EINVAL;
- goto out;
-
- case 4:
- /* Remount-root */
- printk("[%s:%d] irix_uadmin: Wants to remount root...\n",
- current->comm, current->pid);
- retval = -EINVAL;
- goto out;
-
- case 8:
- /* Kill all tasks. */
- printk("[%s:%d] irix_uadmin: Wants to kill all tasks...\n",
- current->comm, current->pid);
- retval = -EINVAL;
- goto out;
-
- case 256:
- /* Set magic mushrooms... */
- printk("[%s:%d] irix_uadmin: Wants to set magic mushroom[%d]...\n",
- current->comm, current->pid, (int) func);
- retval = -EINVAL;
- goto out;
-
- default:
- printk("[%s:%d] irix_uadmin: Unknown operation [%d]...\n",
- current->comm, current->pid, (int) op);
- retval = -EINVAL;
- goto out;
- };
-
-out:
- return retval;
-}
-
-asmlinkage int irix_utssys(char __user *inbuf, int arg, int type, char __user *outbuf)
-{
- int retval;
-
- switch(type) {
- case 0:
- /* uname() */
- retval = irix_uname((struct iuname __user *)inbuf);
- goto out;
-
- case 2:
- /* ustat() */
- printk("[%s:%d] irix_utssys: Wants to do ustat()\n",
- current->comm, current->pid);
- retval = -EINVAL;
- goto out;
-
- case 3:
- /* fusers() */
- printk("[%s:%d] irix_utssys: Wants to do fusers()\n",
- current->comm, current->pid);
- retval = -EINVAL;
- goto out;
-
- default:
- printk("[%s:%d] irix_utssys: Wants to do unknown type[%d]\n",
- current->comm, current->pid, (int) type);
- retval = -EINVAL;
- goto out;
- }
-
-out:
- return retval;
-}
-
-#undef DEBUG_FCNTL
-
-#define IRIX_F_ALLOCSP 10
-
-asmlinkage int irix_fcntl(int fd, int cmd, int arg)
-{
- int retval;
-
-#ifdef DEBUG_FCNTL
- printk("[%s:%d] irix_fcntl(%d, %d, %d) ", current->comm,
- current->pid, fd, cmd, arg);
-#endif
- if (cmd == IRIX_F_ALLOCSP){
- return 0;
- }
- retval = sys_fcntl(fd, cmd, arg);
-#ifdef DEBUG_FCNTL
- printk("%d\n", retval);
-#endif
- return retval;
-}
-
-asmlinkage int irix_ulimit(int cmd, int arg)
-{
- int retval;
-
- switch(cmd) {
- case 1:
- printk("[%s:%d] irix_ulimit: Wants to get file size limit.\n",
- current->comm, current->pid);
- retval = -EINVAL;
- goto out;
-
- case 2:
- printk("[%s:%d] irix_ulimit: Wants to set file size limit.\n",
- current->comm, current->pid);
- retval = -EINVAL;
- goto out;
-
- case 3:
- printk("[%s:%d] irix_ulimit: Wants to get brk limit.\n",
- current->comm, current->pid);
- retval = -EINVAL;
- goto out;
-
- case 4:
-#if 0
- printk("[%s:%d] irix_ulimit: Wants to get fd limit.\n",
- current->comm, current->pid);
- retval = -EINVAL;
- goto out;
-#endif
- retval = current->signal->rlim[RLIMIT_NOFILE].rlim_cur;
- goto out;
-
- case 5:
- printk("[%s:%d] irix_ulimit: Wants to get txt offset.\n",
- current->comm, current->pid);
- retval = -EINVAL;
- goto out;
-
- default:
- printk("[%s:%d] irix_ulimit: Unknown command [%d].\n",
- current->comm, current->pid, cmd);
- retval = -EINVAL;
- goto out;
- }
-out:
- return retval;
-}
-
-asmlinkage int irix_unimp(struct pt_regs *regs)
-{
- printk("irix_unimp [%s:%d] v0=%d v1=%d a0=%08lx a1=%08lx a2=%08lx "
- "a3=%08lx\n", current->comm, current->pid,
- (int) regs->regs[2], (int) regs->regs[3],
- regs->regs[4], regs->regs[5], regs->regs[6], regs->regs[7]);
-
- return -ENOSYS;
-}
+++ /dev/null
-/*
- * Miguel de Icaza
- */
-#ifndef __ASM_INVENTORY_H
-#define __ASM_INVENTORY_H
-
-#include <linux/compiler.h>
-
-typedef struct inventory_s {
- struct inventory_s *inv_next;
- int inv_class;
- int inv_type;
- int inv_controller;
- int inv_unit;
- int inv_state;
-} inventory_t;
-
-extern int inventory_items;
-
-extern void add_to_inventory(int class, int type, int controller, int unit, int state);
-extern int dump_inventory_to_user(void __user *userbuf, int size);
-extern int __init init_inventory(void);
-
-#endif /* __ASM_INVENTORY_H */
#ifndef _ASM_NAMEI_H
#define _ASM_NAMEI_H
-#include <linux/personality.h>
-#include <linux/stddef.h>
+/*
+ * This dummy routine maybe changed to something useful
+ * for /usr/gnemul/ emulation stuff.
+ */
-#define IRIX_EMUL "/usr/gnemul/irix/"
-#define RISCOS_EMUL "/usr/gnemul/riscos/"
-
-static inline char *__emul_prefix(void)
-{
- switch (current->personality) {
- case PER_IRIX32:
- case PER_IRIXN32:
- case PER_IRIX64:
- return IRIX_EMUL;
-
- case PER_RISCOS:
- return RISCOS_EMUL;
-
- default:
- return NULL;
- }
-}
+#define __emul_prefix() NULL
#endif /* _ASM_NAMEI_H */
+++ /dev/null
-/*
- * IRIX prctl interface
- *
- * The IRIX kernel maps a page at PRDA_ADDRESS with the
- * contents of prda and fills it the bits on prda_sys.
- */
-
-#ifndef __PRCTL_H__
-#define __PRCTL_H__
-
-#define PRDA_ADDRESS 0x200000L
-#define PRDA ((struct prda *) PRDA_ADDRESS)
-
-struct prda_sys {
- pid_t t_pid;
- u32 t_hint;
- u32 t_dlactseq;
- u32 t_fpflags;
- u32 t_prid; /* processor type, $prid CP0 register */
- u32 t_dlendseq;
- u64 t_unused1[5];
- pid_t t_rpid;
- s32 t_resched;
- u32 t_unused[8];
- u32 t_cpu; /* current/last cpu */
-
- /* FIXME: The signal information, not supported by Linux now */
- u32 t_flags; /* if true, then the sigprocmask is in userspace */
- u32 t_sigprocmask [1]; /* the sigprocmask */
-};
-
-struct prda {
- char fill [0xe00];
- struct prda_sys prda_sys;
-};
-
-#define t_sys prda_sys
-
-ptrdiff_t prctl(int op, int v1, int v2);
-
-#endif
struct k_sigaction {
struct sigaction sa;
-#ifdef CONFIG_BINFMT_IRIX
- void (*sa_restorer)(void);
-#endif
};
/* IRIX compatible stack_t */
git://ftp.safe.ca / safe / jmp / linux-2.6 / commitdiff