From 87a826b20e9485f6de12404d347b69e98a4ab972 Mon Sep 17 00:00:00 2001 From: Markos Chandras Date: Tue, 15 Apr 2014 09:36:35 +0100 Subject: arch: Add support for MIPS Big Endian Add support for MIPS 32-bit (O32 ABI) Big Endian Signed-off-by: Markos Chandras Signed-off-by: Paul Moore --- src/Makefile | 1 + src/arch-mips-syscalls.c | 472 +++++++++++++++++++++++++++++++++++++++++++++++ src/arch-mips.c | 35 ++++ src/arch-mips.h | 40 ++++ src/arch.c | 14 ++ 5 files changed, 562 insertions(+) create mode 100644 src/arch-mips-syscalls.c create mode 100644 src/arch-mips.c create mode 100644 src/arch-mips.h (limited to 'src') diff --git a/src/Makefile b/src/Makefile index 7b980ab..fc0fba0 100644 --- a/src/Makefile +++ b/src/Makefile @@ -42,6 +42,7 @@ OBJS = \ arch-x86_64.o arch-x86_64-syscalls.o \ arch-x32.o arch-x32-syscalls.o \ arch-arm.o arch-arm-syscalls.o \ + arch-mips.o arch-mips-syscalls.o \ hash.o \ gen_pfc.o gen_bpf.o diff --git a/src/arch-mips-syscalls.c b/src/arch-mips-syscalls.c new file mode 100644 index 0000000..30d281b --- /dev/null +++ b/src/arch-mips-syscalls.c @@ -0,0 +1,472 @@ +/** + * Enhanced Seccomp MIPS Specific Code + * + * Copyright (c) 2014 Imagination Technologies Ltd. + * Author: Markos Chandras + * + */ + +/* + * This library is free software; you can redistribute it and/or modify it + * under the terms of version 2.1 of the GNU Lesser General Public License as + * published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License + * for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, see . + */ + +#include + +#include + +#include "arch.h" +#include "arch-mips.h" + +/* O32 ABI */ +#define __NR_SYSCALL_BASE 4000 + +/* NOTE: based on Linux 3.12 */ +const struct arch_syscall_def mips_syscall_table[] = { \ + { "accept", (__NR_SYSCALL_BASE + 168) }, + { "accept4", (__NR_SYSCALL_BASE + 334) }, + { "access", (__NR_SYSCALL_BASE + 33) }, + { "acct", (__NR_SYSCALL_BASE + 51) }, + { "add_key", (__NR_SYSCALL_BASE + 280) }, + { "adjtimex", (__NR_SYSCALL_BASE + 124) }, + { "afs_syscall", __NR_SYSCALL_BASE + 137 }, + { "alarm", (__NR_SYSCALL_BASE + 27) }, + { "arm_fadvise64_64", __PNR_arm_fadvise64_64 }, + { "arm_sync_file_range", __PNR_arm_sync_file_range }, + { "arch_prctl", __PNR_arch_prctl }, + { "bdflush", (__NR_SYSCALL_BASE + 134) }, + { "bind", (__NR_SYSCALL_BASE + 169) }, + { "break", __NR_SYSCALL_BASE + 17 }, + { "brk", (__NR_SYSCALL_BASE + 45) }, + { "capget", (__NR_SYSCALL_BASE + 204) }, + { "capset", (__NR_SYSCALL_BASE + 205) }, + { "chdir", (__NR_SYSCALL_BASE + 12) }, + { "chmod", (__NR_SYSCALL_BASE + 15) }, + { "chown", (__NR_SYSCALL_BASE + 202) }, + { "chown32", (__PNR_chown32) }, + { "chroot", (__NR_SYSCALL_BASE + 61) }, + { "clock_adjtime", (__NR_SYSCALL_BASE + 341) }, + { "clock_getres", (__NR_SYSCALL_BASE + 264) }, + { "clock_gettime", (__NR_SYSCALL_BASE + 263) }, + { "clock_nanosleep", (__NR_SYSCALL_BASE + 265) }, + { "clock_settime", (__NR_SYSCALL_BASE + 262) }, + { "clone", (__NR_SYSCALL_BASE + 120) }, + { "close", (__NR_SYSCALL_BASE + 6) }, + { "connect", (__NR_SYSCALL_BASE + 170) }, + { "creat", (__NR_SYSCALL_BASE + 8) }, + { "create_module", __NR_SYSCALL_BASE + 127 }, + { "delete_module", (__NR_SYSCALL_BASE + 129) }, + { "dup", (__NR_SYSCALL_BASE + 41) }, + { "dup2", (__NR_SYSCALL_BASE + 63) }, + { "dup3", (__NR_SYSCALL_BASE + 327) }, + { "epoll_create", (__NR_SYSCALL_BASE + 248) }, + { "epoll_create1", (__NR_SYSCALL_BASE + 326) }, + { "epoll_ctl", (__NR_SYSCALL_BASE + 249) }, + { "epoll_ctl_old", __PNR_epoll_ctl_old }, + { "epoll_pwait", (__NR_SYSCALL_BASE + 313) }, + { "epoll_wait", (__NR_SYSCALL_BASE + 250) }, + { "epoll_wait_old", __PNR_epoll_wait_old }, + { "eventfd", (__NR_SYSCALL_BASE + 319) }, + { "eventfd2", (__NR_SYSCALL_BASE + 325) }, + { "execve", (__NR_SYSCALL_BASE + 11) }, + { "exit", (__NR_SYSCALL_BASE + 1) }, + { "exit_group", (__NR_SYSCALL_BASE + 246) }, + { "faccessat", (__NR_SYSCALL_BASE + 334) }, + { "fadvise64", __NR_SYSCALL_BASE + 254 }, + { "fadvise64_64", __PNR_fadvise64_64 }, + { "fallocate", (__NR_SYSCALL_BASE + 320) }, + { "fanotify_init", (__NR_SYSCALL_BASE + 366) }, + { "fanotify_mark", (__NR_SYSCALL_BASE + 367) }, + { "fchdir", (__NR_SYSCALL_BASE + 133) }, + { "fchmod", (__NR_SYSCALL_BASE + 94) }, + { "fchmodat", (__NR_SYSCALL_BASE + 229) }, + { "fchown", (__NR_SYSCALL_BASE + 95) }, + { "fchown32", (__PNR_fchown32) }, + { "fchownat", (__NR_SYSCALL_BASE + 291) }, + { "fcntl", (__NR_SYSCALL_BASE + 55) }, + { "fcntl64", (__NR_SYSCALL_BASE + 220) }, + { "fdatasync", (__NR_SYSCALL_BASE + 152) }, + { "fgetxattr", (__NR_SYSCALL_BASE + 229) }, + { "finit_module", (__NR_SYSCALL_BASE + 348) }, + { "flistxattr", (__NR_SYSCALL_BASE + 232) }, + { "flock", (__NR_SYSCALL_BASE + 143) }, + { "fork", (__NR_SYSCALL_BASE + 2) }, + { "fremovexattr", (__NR_SYSCALL_BASE + 235) }, + { "fsetxattr", (__NR_SYSCALL_BASE + 226) }, + { "fstat", (__NR_SYSCALL_BASE + 108) }, + { "fstat64", (__NR_SYSCALL_BASE + 197) }, + { "fstatat64", (__NR_SYSCALL_BASE + 215) }, + { "fstatfs", (__NR_SYSCALL_BASE + 100) }, + { "fstatfs64", (__NR_SYSCALL_BASE + 256) }, + { "fsync", (__NR_SYSCALL_BASE + 118) }, + { "ftime", (__NR_SYSCALL_BASE + 35) }, + { "ftruncate", (__NR_SYSCALL_BASE + 93) }, + { "ftruncate64", (__NR_SYSCALL_BASE + 212) }, + { "futex", (__NR_SYSCALL_BASE + 238) }, + { "futimesat", (__NR_SYSCALL_BASE + 292) }, + { "get_kernel_syms", (__NR_SYSCALL_BASE + 130) }, + { "get_mempolicy", (__NR_SYSCALL_BASE + 269) }, + { "get_robust_list", (__NR_SYSCALL_BASE + 310) }, + { "get_thread_area", __PNR_get_thread_area }, + { "getcpu", (__NR_SYSCALL_BASE + 312) }, + { "getcwd", (__NR_SYSCALL_BASE + 203) }, + { "getdents", (__NR_SYSCALL_BASE + 141) }, + { "getdents64", (__NR_SYSCALL_BASE + 219) }, + { "getegid", (__NR_SYSCALL_BASE + 50) }, + { "getegid32", __PNR_getegid32 }, + { "geteuid", (__NR_SYSCALL_BASE + 49) }, + { "geteuid32", __PNR_geteuid32 }, + { "getgid", (__NR_SYSCALL_BASE + 47) }, + { "getgid32", __PNR_getgid32 }, + { "getgroups", (__NR_SYSCALL_BASE + 80) }, + { "getgroups32", __PNR_getgroups32 }, + { "getitimer", (__NR_SYSCALL_BASE + 105) }, + { "getpeername", (__NR_SYSCALL_BASE + 171) }, + { "getpgid", (__NR_SYSCALL_BASE + 132) }, + { "getpgrp", (__NR_SYSCALL_BASE + 65) }, + { "getpid", (__NR_SYSCALL_BASE + 20) }, + { "getpmsg", (__NR_SYSCALL_BASE + 208) }, + { "getppid", (__NR_SYSCALL_BASE + 64) }, + { "getpriority", (__NR_SYSCALL_BASE + 96) }, + { "getresgid", (__NR_SYSCALL_BASE + 191) }, + { "getresgid32", __PNR_getresgid32 }, + { "getresuid", (__NR_SYSCALL_BASE + 186) }, + { "getresuid32", __PNR_getresuid32 }, + { "getrlimit", (__NR_SYSCALL_BASE + 76) }, + { "getrusage", (__NR_SYSCALL_BASE + 77) }, + { "getsid", (__NR_SYSCALL_BASE + 151) }, + { "getsockname", (__NR_SYSCALL_BASE + 172) }, + { "getsockopt", (__NR_SYSCALL_BASE + 173) }, + { "gettid", (__NR_SYSCALL_BASE + 222) }, + { "gettimeofday", (__NR_SYSCALL_BASE + 78) }, + { "getuid", (__NR_SYSCALL_BASE + 24) }, + { "getuid32", __PNR_getuid32 }, + { "getxattr", (__NR_SYSCALL_BASE + 227) }, + { "gtty", (__NR_SYSCALL_BASE + 32) }, + { "idle", (__NR_SYSCALL_BASE + 112) }, + { "init_module", (__NR_SYSCALL_BASE + 128) }, + { "inotify_add_watch", (__NR_SYSCALL_BASE + 285) }, + { "inotify_init", (__NR_SYSCALL_BASE + 254) }, + { "inotify_init1", (__NR_SYSCALL_BASE + 329) }, + { "inotify_rm_watch", (__NR_SYSCALL_BASE + 286) }, + { "io_cancel", (__NR_SYSCALL_BASE + 245) }, + { "io_destroy", (__NR_SYSCALL_BASE + 242) }, + { "io_getevents", (__NR_SYSCALL_BASE + 243) }, + { "io_setup", (__NR_SYSCALL_BASE + 241) }, + { "io_submit", (__NR_SYSCALL_BASE + 244) }, + { "ioctl", (__NR_SYSCALL_BASE + 54) }, + { "ioperm", (__NR_SYSCALL_BASE + 101) }, + { "iopl", (__NR_SYSCALL_BASE + 110) }, + { "ioprio_get", (__NR_SYSCALL_BASE + 315) }, + { "ioprio_set", (__NR_SYSCALL_BASE + 314) }, + { "ipc", (__NR_SYSCALL_BASE + 117) }, + { "kcmp", __PNR_kcmp }, + { "kexec_load", (__NR_SYSCALL_BASE + 347) }, + { "keyctl", (__NR_SYSCALL_BASE + 282) }, + { "kill", (__NR_SYSCALL_BASE + 37) }, + { "lchown", (__NR_SYSCALL_BASE + 16) }, + { "lchown32", __PNR_lchown32 }, + { "lgetxattr", (__NR_SYSCALL_BASE + 228) }, + { "link", (__NR_SYSCALL_BASE + 9) }, + { "linkat", (__NR_SYSCALL_BASE + 296) }, + { "listen", (__NR_SYSCALL_BASE + 174) }, + { "listxattr", (__NR_SYSCALL_BASE + 230) }, + { "llistxattr", (__NR_SYSCALL_BASE + 231) }, + { "_llseek", (__NR_SYSCALL_BASE + 140) }, + { "lock", (__NR_SYSCALL_BASE + 53) }, + { "lookup_dcookie", (__NR_SYSCALL_BASE + 247) }, + { "lremovexattr", (__NR_SYSCALL_BASE + 234) }, + { "lseek", (__NR_SYSCALL_BASE + 19) }, + { "lsetxattr", (__NR_SYSCALL_BASE + 225) }, + { "lstat", (__NR_SYSCALL_BASE + 107) }, + { "lstat64", (__NR_SYSCALL_BASE + 214) }, + { "madvise", (__NR_SYSCALL_BASE + 218) }, + { "mbind", (__NR_SYSCALL_BASE + 268) }, + { "migrate_pages", (__NR_SYSCALL_BASE + 287) }, + { "mincore", (__NR_SYSCALL_BASE + 217) }, + { "mkdir", (__NR_SYSCALL_BASE + 39) }, + { "mkdirat", (__NR_SYSCALL_BASE + 289) }, + { "mknod", (__NR_SYSCALL_BASE + 14) }, + { "mknodat", (__NR_SYSCALL_BASE + 290) }, + { "mlock", (__NR_SYSCALL_BASE + 154) }, + { "mlockall", (__NR_SYSCALL_BASE + 156) }, + { "mmap", (__NR_SYSCALL_BASE + 90) }, + { "mmap2", (__NR_SYSCALL_BASE + 210) }, + { "modify_ldt", (__NR_SYSCALL_BASE + 123) }, + { "mount", (__NR_SYSCALL_BASE + 21) }, + { "move_pages", (__NR_SYSCALL_BASE + 308) }, + { "mprotect", (__NR_SYSCALL_BASE + 125) }, + { "mpx", (__NR_SYSCALL_BASE + 56) }, + { "mq_getsetattr", (__NR_SYSCALL_BASE + 276) }, + { "mq_notify", (__NR_SYSCALL_BASE + 275) }, + { "mq_open", (__NR_SYSCALL_BASE + 271) }, + { "mq_timedreceive", (__NR_SYSCALL_BASE + 274) }, + { "mq_timedsend", (__NR_SYSCALL_BASE + 273) }, + { "mq_unlink", (__NR_SYSCALL_BASE + 272) }, + { "mremap", (__NR_SYSCALL_BASE + 167) }, + { "msgctl", __PNR_msgctl }, + { "msgget", __PNR_msgget }, + { "msgrcv", __PNR_msgrcv }, + { "msgsnd", __PNR_msgsnd }, + { "msync", (__NR_SYSCALL_BASE + 144) }, + { "munlock", (__NR_SYSCALL_BASE + 155) }, + { "munlockall", (__NR_SYSCALL_BASE + 157) }, + { "munmap", (__NR_SYSCALL_BASE + 91) }, + { "name_to_handle_at", (__NR_SYSCALL_BASE + 339) }, + { "nanosleep", (__NR_SYSCALL_BASE + 166) }, + { "_newselect", (__NR_SYSCALL_BASE + 142) }, + { "newfstatat", __PNR_newfstatat }, + { "nfsservctl", (__NR_SYSCALL_BASE + 189) }, + { "nice", (__NR_SYSCALL_BASE + 34) }, + { "oldfstat", __PNR_oldfstat }, + { "oldlstat", __PNR_oldlstat }, + { "oldolduname", __PNR_oldolduname }, + { "oldstat", __PNR_oldstat }, + { "olduname", __PNR_olduname }, + { "open", (__NR_SYSCALL_BASE + 5) }, + { "open_by_handle_at", (__NR_SYSCALL_BASE + 340) }, + { "openat", (__NR_SYSCALL_BASE + 288) }, + { "pause", (__NR_SYSCALL_BASE + 29) }, + { "pciconfig_iobase", __PNR_pciconfig_iobase }, + { "pciconfig_read", __PNR_pciconfig_read }, + { "pciconfig_write", __PNR_pciconfig_write }, + { "perf_event_open", (__NR_SYSCALL_BASE + 333) }, + { "personality", (__NR_SYSCALL_BASE + 136) }, + { "pipe", (__NR_SYSCALL_BASE + 42) }, + { "pipe2", (__NR_SYSCALL_BASE + 328) }, + { "pivot_root", (__NR_SYSCALL_BASE + 216) }, + { "poll", (__NR_SYSCALL_BASE + 188) }, + { "ppoll", (__NR_SYSCALL_BASE + 302) }, + { "prctl", (__NR_SYSCALL_BASE + 192) }, + { "pread64", (__NR_SYSCALL_BASE + 200) }, + { "preadv", (__NR_SYSCALL_BASE + 330) }, + { "prlimit64", (__NR_SYSCALL_BASE + 338) }, + { "process_vm_readv", (__NR_SYSCALL_BASE + 345) }, + { "process_vm_writev", (__NR_SYSCALL_BASE + 346) }, + { "prof", (__NR_SYSCALL_BASE + 44) }, + { "profil", (__NR_SYSCALL_BASE + 98) }, + { "pselect6", (__NR_SYSCALL_BASE + 301) }, + { "ptrace", (__NR_SYSCALL_BASE + 26) }, + { "putpmsg", (__NR_SYSCALL_BASE + 209) }, + { "pwrite64", (__NR_SYSCALL_BASE + 201) }, + { "pwritev", (__NR_SYSCALL_BASE + 331) }, + { "query_module", (__NR_SYSCALL_BASE + 187) }, + { "quotactl", (__NR_SYSCALL_BASE + 131) }, + { "read", (__NR_SYSCALL_BASE + 3) }, + { "readahead", (__NR_SYSCALL_BASE + 223) }, + { "readdir", (__NR_SYSCALL_BASE + 89) }, + { "readlink", (__NR_SYSCALL_BASE + 85) }, + { "readlinkat", (__NR_SYSCALL_BASE + 298) }, + { "readv", (__NR_SYSCALL_BASE + 145) }, + { "reboot", (__NR_SYSCALL_BASE + 88) }, + { "recv", (__NR_SYSCALL_BASE + 175) }, + { "recvfrom", (__NR_SYSCALL_BASE + 176) }, + { "recvmmsg", (__NR_SYSCALL_BASE + 335) }, + { "recvmsg", (__NR_SYSCALL_BASE + 177) }, + { "remap_file_pages", (__NR_SYSCALL_BASE + 251) }, + { "removexattr", (__NR_SYSCALL_BASE + 233) }, + { "rename", (__NR_SYSCALL_BASE + 38) }, + { "renameat", (__NR_SYSCALL_BASE + 295) }, + { "request_key", (__NR_SYSCALL_BASE + 281) }, + { "restart_syscall", (__NR_SYSCALL_BASE + 253) }, + { "rmdir", (__NR_SYSCALL_BASE + 40) }, + { "rt_sigaction", (__NR_SYSCALL_BASE + 194) }, + { "rt_sigpending", (__NR_SYSCALL_BASE + 196) }, + { "rt_sigprocmask", (__NR_SYSCALL_BASE + 195) }, + { "rt_sigqueueinfo", (__NR_SYSCALL_BASE + 198) }, + { "rt_sigreturn", (__NR_SYSCALL_BASE + 193) }, + { "rt_sigsuspend", (__NR_SYSCALL_BASE + 199) }, + { "rt_sigtimedwait", (__NR_SYSCALL_BASE + 197) }, + { "rt_tgsigqueueinfo", (__NR_SYSCALL_BASE + 332) }, + { "sched_get_priority_max", (__NR_SYSCALL_BASE + 163) }, + { "sched_get_priority_min", (__NR_SYSCALL_BASE + 164) }, + { "sched_getaffinity", (__NR_SYSCALL_BASE + 240) }, + { "sched_getparam", (__NR_SYSCALL_BASE + 159) }, + { "sched_getscheduler", (__NR_SYSCALL_BASE + 161) }, + { "sched_rr_get_interval", (__NR_SYSCALL_BASE + 165) }, + { "sched_setaffinity", (__NR_SYSCALL_BASE + 239) }, + { "sched_setparam", (__NR_SYSCALL_BASE + 158) }, + { "sched_setscheduler", (__NR_SYSCALL_BASE + 160) }, + { "sched_yield", (__NR_SYSCALL_BASE + 162) }, + { "security", __PNR_security }, + { "select", __PNR_select }, + { "semctl", __PNR_semctl }, + { "semget", __PNR_semget }, + { "semop", __PNR_semop }, + { "semtimedop", __PNR_semtimedop }, + { "send", (__NR_SYSCALL_BASE + 178) }, + { "sendfile", (__NR_SYSCALL_BASE + 207) }, + { "sendfile64", (__NR_SYSCALL_BASE + 237) }, + { "sendmmsg", (__NR_SYSCALL_BASE + 343) }, + { "sendmsg", (__NR_SYSCALL_BASE + 179) }, + { "sendto", (__NR_SYSCALL_BASE + 180) }, + { "set_mempolicy", (__NR_SYSCALL_BASE + 270) }, + { "set_robust_list", (__NR_SYSCALL_BASE + 309) }, + { "set_thread_area", (__NR_SYSCALL_BASE + 283) }, + { "set_tid_address", (__NR_SYSCALL_BASE + 252) }, + { "setdomainname", (__NR_SYSCALL_BASE + 121) }, + { "setfsgid", (__NR_SYSCALL_BASE + 139) }, + { "setfsgid32", __PNR_setfsgid32 }, + { "setfsuid", (__NR_SYSCALL_BASE + 138) }, + { "setfsuid32", __PNR_setfsuid32 }, + { "setgid", (__NR_SYSCALL_BASE + 46) }, + { "setgid32", __PNR_setgid32 }, + { "setgroups", (__NR_SYSCALL_BASE + 81) }, + { "setgroups32", __PNR_setgroups32 }, + { "sethostname", (__NR_SYSCALL_BASE + 74) }, + { "setitimer", (__NR_SYSCALL_BASE + 104) }, + { "setns", (__NR_SYSCALL_BASE + 344) }, + { "setpgid", (__NR_SYSCALL_BASE + 57) }, + { "setpriority", (__NR_SYSCALL_BASE + 97) }, + { "setregid", (__NR_SYSCALL_BASE + 71) }, + { "setregid32", __PNR_setregid32 }, + { "setresgid", (__NR_SYSCALL_BASE + 190) }, + { "setresgid32", __PNR_setresgid32 }, + { "setresuid", (__NR_SYSCALL_BASE + 185) }, + { "setresuid32", __PNR_setresuid32 }, + { "setreuid", (__NR_SYSCALL_BASE + 70) }, + { "setreuid32", __PNR_setreuid32 }, + { "setrlimit", (__NR_SYSCALL_BASE + 75) }, + { "setsid", (__NR_SYSCALL_BASE + 66) }, + { "setsockopt", (__NR_SYSCALL_BASE + 181) }, + { "settimeofday", (__NR_SYSCALL_BASE + 79) }, + { "setuid", (__NR_SYSCALL_BASE + 23) }, + { "setuid32", __PNR_setuid32 }, + { "setxattr", (__NR_SYSCALL_BASE + 224) }, + { "sgetmask", (__NR_SYSCALL_BASE + 68) }, + { "shmat", __PNR_shmat }, + { "shmctl", __PNR_shmctl }, + { "shmdt", __PNR_shmdt }, + { "shmget", __PNR_shmget }, + { "shutdown", (__NR_SYSCALL_BASE + 182) }, + { "sigaction", (__NR_SYSCALL_BASE + 67) }, + { "sigaltstack", (__NR_SYSCALL_BASE + 206) }, + { "signal", (__NR_SYSCALL_BASE + 48) }, + { "signalfd", (__NR_SYSCALL_BASE + 317) }, + { "signalfd4", (__NR_SYSCALL_BASE + 324) }, + { "sigpending", (__NR_SYSCALL_BASE + 73) }, + { "sigprocmask", (__NR_SYSCALL_BASE + 126) }, + { "sigreturn", (__NR_SYSCALL_BASE + 119) }, + { "sigsuspend", (__NR_SYSCALL_BASE + 72) }, + { "socket", (__NR_SYSCALL_BASE + 183) }, + { "socketcall", (__NR_SYSCALL_BASE + 102) }, + { "socketpair", (__NR_SYSCALL_BASE + 184) }, + { "splice", (__NR_SYSCALL_BASE + 304) }, + { "ssetmask", (__NR_SYSCALL_BASE + 69) }, + { "stat", (__NR_SYSCALL_BASE + 106) }, + { "stat64", (__NR_SYSCALL_BASE + 213) }, + { "statfs", (__NR_SYSCALL_BASE + 99) }, + { "statfs64", (__NR_SYSCALL_BASE + 255) }, + { "stime", (__NR_SYSCALL_BASE + 25) }, + { "stty", (__NR_SYSCALL_BASE + 31) }, + { "swapoff", (__NR_SYSCALL_BASE + 115) }, + { "swapon", (__NR_SYSCALL_BASE + 87) }, + { "symlink", (__NR_SYSCALL_BASE + 83) }, + { "symlinkat", (__NR_SYSCALL_BASE + 297) }, + { "sync", (__NR_SYSCALL_BASE + 36) }, + { "sync_file_range", (__NR_SYSCALL_BASE + 305) }, + { "sync_file_range2", __PNR_sync_file_range2 }, + { "syncfs", (__NR_SYSCALL_BASE + 342) }, + { "syscall", (__NR_SYSCALL_BASE + 0) }, + { "_sysctl", (__NR_SYSCALL_BASE + 153) }, + { "sysfs", (__NR_SYSCALL_BASE + 135) }, + { "sysinfo", (__NR_SYSCALL_BASE + 116) }, + { "syslog", (__NR_SYSCALL_BASE + 103) }, + { "tee", (__NR_SYSCALL_BASE + 306) }, + { "tgkill", (__NR_SYSCALL_BASE + 266) }, + { "time", (__NR_SYSCALL_BASE + 13) }, + { "timer_create", (__NR_SYSCALL_BASE + 257) }, + { "timer_delete", (__NR_SYSCALL_BASE + 261) }, + { "timer_getoverrun", (__NR_SYSCALL_BASE + 260) }, + { "timer_gettime", (__NR_SYSCALL_BASE + 259) }, + { "timer_settime", (__NR_SYSCALL_BASE + 258) }, + { "timerfd_create", (__NR_SYSCALL_BASE + 321) }, + { "timerfd_gettime", (__NR_SYSCALL_BASE + 322) }, + { "timerfd_settime", (__NR_SYSCALL_BASE + 323) }, + { "times", (__NR_SYSCALL_BASE + 43) }, + { "tkill", (__NR_SYSCALL_BASE + 236) }, + { "truncate", (__NR_SYSCALL_BASE + 92) }, + { "truncate64", (__NR_SYSCALL_BASE + 211) }, + { "tuxcall", __PNR_tuxcall }, + { "ugetrlimit", __PNR_ugetrlimit }, + { "ulimit", (__NR_SYSCALL_BASE + 58) }, + { "umask", (__NR_SYSCALL_BASE + 60) }, + { "umount", (__NR_SYSCALL_BASE + 22) }, + { "umount2", (__NR_SYSCALL_BASE + 52) }, + { "uname", (__NR_SYSCALL_BASE + 122) }, + { "unlink", (__NR_SYSCALL_BASE + 10) }, + { "unlinkat", (__NR_SYSCALL_BASE + 294) }, + { "unshare", (__NR_SYSCALL_BASE + 303) }, + { "uselib", (__NR_SYSCALL_BASE + 86) }, + { "ustat", (__NR_SYSCALL_BASE + 62) }, + { "utime", (__NR_SYSCALL_BASE + 30) }, + { "utimensat", (__NR_SYSCALL_BASE + 316) }, + { "utimes", (__NR_SYSCALL_BASE + 267) }, + { "vfork", __PNR_vfork }, + { "vhangup", (__NR_SYSCALL_BASE + 111) }, + { "vm86", (__NR_SYSCALL_BASE + 113) }, + { "vm86old", __PNR_vm86old }, + { "vmsplice", (__NR_SYSCALL_BASE + 307) }, + { "vserver", (__NR_SYSCALL_BASE + 277) }, + { "wait4", (__NR_SYSCALL_BASE + 114) }, + { "waitid", (__NR_SYSCALL_BASE + 278) }, + { "waitpid", (__NR_SYSCALL_BASE + 7) }, + { "write", (__NR_SYSCALL_BASE + 4) }, + { "writev", (__NR_SYSCALL_BASE + 146) }, + { NULL, __NR_SCMP_ERROR }, +}; + +/** + * Resolve a syscall name to a number + * @param name the syscall name + * + * Resolve the given syscall name to the syscall number using the syscall table. + * Returns the syscall number on success, including negative pseudo syscall + * numbers; returns __NR_SCMP_ERROR on failure. + * + */ +int mips_syscall_resolve_name(const char *name) +{ + unsigned int iter; + const struct arch_syscall_def *table = mips_syscall_table; + + /* XXX - plenty of room for future improvement here */ + for (iter = 0; table[iter].name != NULL; iter++) { + if (strcmp(name, table[iter].name) == 0) + return table[iter].num; + } + + return __NR_SCMP_ERROR; +} + +/** + * Resolve a syscall number to a name + * @param num the syscall number + * + * Resolve the given syscall number to the syscall name using the syscall table. + * Returns a pointer to the syscall name string on success, including pseudo + * syscall names; returns NULL on failure. + * + */ +const char *mips_syscall_resolve_num(int num) +{ + unsigned int iter; + const struct arch_syscall_def *table = mips_syscall_table; + + /* XXX - plenty of room for future improvement here */ + for (iter = 0; table[iter].num != __NR_SCMP_ERROR; iter++) { + if (num == table[iter].num) + return table[iter].name; + } + + return NULL; +} diff --git a/src/arch-mips.c b/src/arch-mips.c new file mode 100644 index 0000000..af2d67e --- /dev/null +++ b/src/arch-mips.c @@ -0,0 +1,35 @@ +/** + * Enhanced Seccomp MIPS Specific Code + * + * Copyright (c) 2014 Imagination Technologies Ltd. + * Author: Markos Chandras + * + */ + +/* + * This library is free software; you can redistribute it and/or modify it + * under the terms of version 2.1 of the GNU Lesser General Public License as + * published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License + * for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, see . + */ + +#include +#include +#include + +#include "arch.h" +#include "arch-mips.h" + +const struct arch_def arch_def_mips = { + .token = SCMP_ARCH_MIPS, + .token_bpf = AUDIT_ARCH_MIPS, + .size = ARCH_SIZE_32, + .endian = ARCH_ENDIAN_BIG, +}; diff --git a/src/arch-mips.h b/src/arch-mips.h new file mode 100644 index 0000000..ffae4e9 --- /dev/null +++ b/src/arch-mips.h @@ -0,0 +1,40 @@ +/** + * Enhanced Seccomp MIPS Specific Code + * + * Copyright (c) 2014 Imagination Technologies Ltd. + * Author: Markos Chandras + * + */ + +/* + * This library is free software; you can redistribute it and/or modify it + * under the terms of version 2.1 of the GNU Lesser General Public License as + * published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License + * for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, see . + */ + +#ifndef _ARCH_MIPS_H +#define _ARCH_MIPS_H + +#include + +#include "arch.h" +#include "system.h" + +#define mips_arg_count_max 6 + +extern const struct arch_def arch_def_mips; + +#define mips_arg_offset(x) (offsetof(struct seccomp_data, args[x]) + 4) + +int mips_syscall_resolve_name(const char *name); +const char *mips_syscall_resolve_num(int num); + +#endif diff --git a/src/arch.c b/src/arch.c index e71f3a1..2ea5137 100644 --- a/src/arch.c +++ b/src/arch.c @@ -34,6 +34,7 @@ #include "arch-x86_64.h" #include "arch-x32.h" #include "arch-arm.h" +#include "arch-mips.h" #include "system.h" #if __i386__ @@ -46,6 +47,8 @@ const struct arch_def *arch_def_native = &arch_def_x86_64; #endif /* __ILP32__ */ #elif __arm__ const struct arch_def *arch_def_native = &arch_def_arm; +#elif __MIPSEB__ +const struct arch_def *arch_def_native = &arch_def_mips; #else #error the arch code needs to know about your machine type #endif /* machine type guess */ @@ -64,6 +67,7 @@ int arch_valid(uint32_t arch) case SCMP_ARCH_X86_64: case SCMP_ARCH_X32: case SCMP_ARCH_ARM: + case SCMP_ARCH_MIPS: return 0; } @@ -88,6 +92,8 @@ const struct arch_def *arch_def_lookup(uint32_t token) return &arch_def_x32; case SCMP_ARCH_ARM: return &arch_def_arm; + case SCMP_ARCH_MIPS: + return &arch_def_mips; } return NULL; @@ -112,6 +118,8 @@ int arch_arg_count_max(const struct arch_def *arch) return x32_arg_count_max; case SCMP_ARCH_ARM: return arm_arg_count_max; + case SCMP_ARCH_MIPS: + return mips_arg_count_max; } return -EDOM; @@ -178,6 +186,8 @@ int arch_arg_offset(const struct arch_def *arch, unsigned int arg) return x32_arg_offset(arg); case SCMP_ARCH_ARM: return arm_arg_offset(arg); + case SCMP_ARCH_MIPS: + return mips_arg_offset(arg); default: return -EDOM; } @@ -204,6 +214,8 @@ int arch_syscall_resolve_name(const struct arch_def *arch, const char *name) return x32_syscall_resolve_name(name); case SCMP_ARCH_ARM: return arm_syscall_resolve_name(name); + case SCMP_ARCH_MIPS: + return mips_syscall_resolve_name(name); } return __NR_SCMP_ERROR; @@ -230,6 +242,8 @@ const char *arch_syscall_resolve_num(const struct arch_def *arch, int num) return x32_syscall_resolve_num(num); case SCMP_ARCH_ARM: return arm_syscall_resolve_num(num); + case SCMP_ARCH_MIPS: + return mips_syscall_resolve_num(num); } return NULL; -- cgit v1.2.1