diff options
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/Kconfig | 4 | ||||
| -rw-r--r-- | arch/mips/kernel/Makefile | 4 | ||||
| -rw-r--r-- | arch/mips/kernel/irix5sys.S | 1041 | ||||
| -rw-r--r-- | arch/mips/kernel/irixelf.c | 1361 | ||||
| -rw-r--r-- | arch/mips/kernel/irixinv.c | 78 | ||||
| -rw-r--r-- | arch/mips/kernel/irixioctl.c | 213 | ||||
| -rw-r--r-- | arch/mips/kernel/irixsig.c | 888 | ||||
| -rw-r--r-- | arch/mips/kernel/process.c | 7 | ||||
| -rw-r--r-- | arch/mips/kernel/scall32-o32.S | 19 | ||||
| -rw-r--r-- | arch/mips/kernel/sysirix.c | 2140 |
10 files changed, 0 insertions, 5755 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 24c5dee9176..21d6ec1e536 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -2064,10 +2064,6 @@ source "fs/Kconfig.binfmt" 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 diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile index 65e46a6d417..48ae915b38e 100644 --- a/arch/mips/kernel/Makefile +++ b/arch/mips/kernel/Makefile @@ -20,9 +20,6 @@ obj-$(CONFIG_CSRC_R4K) += csrc-r4k.o obj-$(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-$(CONFIG_MODULES) += mips_ksyms.o module.o @@ -70,7 +67,6 @@ obj-$(CONFIG_IRQ_GIC) += irq-gic.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 diff --git a/arch/mips/kernel/irix5sys.S b/arch/mips/kernel/irix5sys.S deleted file mode 100644 index eeef891093e..00000000000 --- a/arch/mips/kernel/irix5sys.S +++ /dev/null @@ -1,1041 +0,0 @@ -/* - * 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 - 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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 - - .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 diff --git a/arch/mips/kernel/irixelf.c b/arch/mips/kernel/irixelf.c deleted file mode 100644 index 469c7237e5b..00000000000 --- a/arch/mips/kernel/irixelf.c +++ /dev/null @@ -1,1361 +0,0 @@ -/* - * 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) diff --git a/arch/mips/kernel/irixinv.c b/arch/mips/kernel/irixinv.c deleted file mode 100644 index cf2dcd3d6a9..00000000000 --- a/arch/mips/kernel/irixinv.c +++ /dev/null @@ -1,78 +0,0 @@ -/* - * 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; -} diff --git a/arch/mips/kernel/irixioctl.c b/arch/mips/kernel/irixioctl.c deleted file mode 100644 index b39bdba82e0..00000000000 --- a/arch/mips/kernel/irixioctl.c +++ /dev/null @@ -1,213 +0,0 @@ -/* - * 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; -} diff --git a/arch/mips/kernel/irixsig.c b/arch/mips/kernel/irixsig.c deleted file mode 100644 index 0215c805a59..00000000000 --- a/arch/mips/kernel/irixsig.c +++ /dev/null @@ -1,888 +0,0 @@ -/* - * 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; -} diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c index 2c09a442e5e..c06f5b5d764 100644 --- a/arch/mips/kernel/process.c +++ b/arch/mips/kernel/process.c @@ -125,13 +125,6 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long usp, *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; diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S index 08a9c5070ea..c058c0b61a2 100644 --- a/arch/mips/kernel/scall32-o32.S +++ b/arch/mips/kernel/scall32-o32.S @@ -34,12 +34,8 @@ NESTED(handle_sys, PT_SIZE, sp) 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 @@ -264,22 +260,14 @@ bad_alignment: 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 @@ -324,13 +312,6 @@ einval: li v0, -EINVAL .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 diff --git a/arch/mips/kernel/sysirix.c b/arch/mips/kernel/sysirix.c deleted file mode 100644 index c357762b801..00000000000 --- a/arch/mips/kernel/sysirix.c +++ /dev/null @@ -1,2140 +0,0 @@ -/* - * 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; -} |