1 # this file is used to list all the syscalls that will be supported by 2 # the Bionic C library. It is used to automatically generate the syscall 3 # stubs, the list of syscall constants (__NR_xxxx) and the content of <linux/_unitsd.h> 4 # 5 # each non comment line has the following format: 6 # 7 # return_type func_name[:syscall_name[:call_id]]([parameter_list]) (syscall_number|"stub") 8 # 9 # note that: 10 # - syscall_name correspond to the name of the syscall, which may differ from 11 # the exported function name (example: the exit syscall is implemented by the _exit() 12 # function, which is not the same as the standard C exit() function which calls it) 13 # The call_id parameter, given that func_name and syscall_name have 14 # been provided, allows the user to specify dispatch style syscalls. 15 # For example, socket() syscall on i386 actually becomes: 16 # socketcall(__NR_socket, 1, *(rest of args on stack)). 17 # 18 # - each parameter type is assumed to be stored on 32 bits, there is no plan to support 19 # 64-bit architectures at the moment 20 # 21 # - it there is "stub" instead of a syscall number, the tool will not generate any 22 # assembler template for the syscall; it's up to the bionic implementation to provide 23 # a relevant C stub 24 # 25 # - additionally, if the syscall number is different amoung ARM, and x86, use: 26 # return_type funcname[:syscall_name](parameters) arm_number,x86_number 27 # 28 # the file is processed by a python script named gensyscalls.py 29 # 30 31 # process management 32 void _exit:exit_group (int) 248,252 33 void _exit_thread:exit (int) 1 34 pid_t __fork:fork (void) 2 35 pid_t _waitpid:waitpid (pid_t, int*, int, struct rusage*) -1,7 36 int __waitid:waitid(int, pid_t, struct siginfo_t*, int,void*) 280,284 37 38 # NOTE: this system call is never called directly, but we list it there 39 # to have __NR_clone properly defined. 40 # 41 pid_t __sys_clone:clone (int, void*, int*, void*, int*) 120 42 43 int execve (const char*, char* const*, char* const*) 11 44 45 int __setuid:setuid32 (uid_t) 213 46 uid_t getuid:getuid32 () 199 47 gid_t getgid:getgid32 () 200 48 uid_t geteuid:geteuid32 () 201 49 gid_t getegid:getegid32 () 202 50 uid_t getresuid:getresuid32 (uid_t *ruid, uid_t *euid, uid_t *suid) 209 51 gid_t getresgid:getresgid32 (gid_t *rgid, gid_t *egid, gid_t *sgid) 211 52 pid_t gettid() 224 53 ssize_t readahead(int, off64_t, size_t) 225 54 int getgroups:getgroups32(int, gid_t *) 205 55 pid_t getpgid(pid_t) 132 56 pid_t getppid() 64 57 pid_t setsid() 66 58 int setgid:setgid32(gid_t) 214 59 int seteuid:seteuid32(uid_t) stub 60 int __setreuid:setreuid32(uid_t, uid_t) 203 61 int __setresuid:setresuid32(uid_t, uid_t, uid_t) 208 62 int setresgid:setresgid32(gid_t, gid_t, gid_t) 210 63 void* __brk:brk(void*) 45 64 # see comments in arch-arm/bionic/kill.S to understand why we don't generate an ARM stub for kill/tkill 65 int kill(pid_t, int) -1,37 66 int tkill(pid_t tid, int sig) -1,238 67 int tgkill(pid_t tgid, pid_t tid, int sig) -1,270 68 int __ptrace:ptrace(int request, int pid, void* addr, void* data) 26 69 int __set_thread_area:set_thread_area(void* user_desc) -1,243 70 int __getpriority:getpriority(int, int) 96 71 int setpriority(int, int, int) 97 72 int setrlimit(int resource, const struct rlimit *rlp) 75 73 int getrlimit:ugetrlimit(int resource, struct rlimit *rlp) 191 74 int getrusage(int who, struct rusage* r_usage) 77 75 int setgroups:setgroups32(int, const gid_t *) 206 76 pid_t getpgrp(void) stub 77 int setpgid(pid_t, pid_t) 57 78 pid_t vfork(void) 190,-1,190 79 int setregid:setregid32(gid_t, gid_t) 204 80 int chroot(const char *) 61 81 # IMPORTANT: Even though <sys/prctl.h> declares prctl(int,...), the syscall stub must take 6 arguments 82 # to match the kernel implementation. 83 int prctl(int option, unsigned int arg2, unsigned int arg3, unsigned int arg4, unsigned int arg5) 172 84 int capget(cap_user_header_t header, cap_user_data_t data) 184 85 int capset(cap_user_header_t header, const cap_user_data_t data) 185 86 int sigaltstack(const stack_t*, stack_t*) 186 87 int acct(const char* filepath) 51 88 89 # file descriptors 90 ssize_t read (int, void*, size_t) 3 91 ssize_t write (int, const void*, size_t) 4 92 ssize_t pread64 (int, void *, size_t, off64_t) 180 93 ssize_t pwrite64 (int, void *, size_t, off64_t) 181 94 int __open:open (const char*, int, mode_t) 5 95 int __openat:openat (int, const char*, int, mode_t) 322,295 96 int close (int) 6 97 int creat(const char*, mode_t) stub 98 off_t lseek(int, off_t, int) 19 99 int __llseek:_llseek (int, unsigned long, unsigned long, loff_t*, int) 140 100 pid_t getpid () 20 101 void * mmap(void *, size_t, int, int, int, long) stub 102 void * __mmap2:mmap2(void*, size_t, int, int, int, long) 192 103 int munmap(void *, size_t) 91 104 void * mremap(void *, size_t, size_t, unsigned long) 163 105 int msync(const void *, size_t, int) 144 106 int mprotect(const void *, size_t, int) 125 107 int madvise(const void *, size_t, int) 220,219 108 int mlock(const void *addr, size_t len) 150 109 int munlock(const void *addr, size_t len) 151 110 int mincore(void* start, size_t length, unsigned char* vec) 219,218 111 int __ioctl:ioctl(int, int, void *) 54 112 int readv(int, const struct iovec *, int) 145 113 int writev(int, const struct iovec *, int) 146 114 int __fcntl:fcntl(int, int, void*) 55 115 int flock(int, int) 143 116 int fchmod(int, mode_t) 94 117 int dup(int) 41 118 int pipe(int *) 42,42 119 int pipe2(int *, int) 359,331 120 int dup2(int, int) 63 121 int select:_newselect(int, struct fd_set *, struct fd_set *, struct fd_set *, struct timeval *) 142 122 int ftruncate(int, off_t) 93 123 int ftruncate64(int, off64_t) 194 124 int getdents:getdents64(unsigned int, struct dirent *, unsigned int) 217,220 125 int fsync(int) 118 126 int fdatasync(int) 148 127 int fchown:fchown32(int, uid_t, gid_t) 207 128 void sync(void) 36 129 int __fcntl64:fcntl64(int, int, void *) 221 130 int __fstatfs64:fstatfs64(int, size_t, struct statfs *) 267,269 131 ssize_t sendfile(int out_fd, int in_fd, off_t *offset, size_t count) 187 132 int fstatat:fstatat64(int dirfd, const char *path, struct stat *buf, int flags) 327,300 133 int mkdirat(int dirfd, const char *pathname, mode_t mode) 323,296 134 int fchownat(int dirfd, const char *path, uid_t owner, gid_t group, int flags) 325,298 135 int fchmodat(int dirfd, const char *path, mode_t mode, int flags) 333,306 136 int renameat(int olddirfd, const char *oldpath, int newdirfd, const char *newpath) 329,302 137 int fsetxattr(int, const char *, const void *, size_t, int) 228 138 ssize_t fgetxattr(int, const char *, void *, size_t) 231 139 ssize_t flistxattr(int, char *, size_t) 234 140 int fremovexattr(int, const char *) 237 141 142 # file system 143 int link (const char*, const char*) 9 144 int unlink (const char*) 10 145 int unlinkat (int, const char *, int) 328,301 146 int chdir (const char*) 12 147 int mknod (const char*, mode_t, dev_t) 14 148 int chmod (const char*,mode_t) 15 149 int chown:chown32(const char *, uid_t, gid_t) 212 150 int lchown:lchown32 (const char*, uid_t, gid_t) 198 151 int mount (const char*, const char*, const char*, unsigned long, const void*) 21 152 int umount(const char*) stub 153 int umount2 (const char*, int) 52 154 int fstat:fstat64(int, struct stat*) 197 155 int stat:stat64(const char *, struct stat *) 195 156 int lstat:lstat64(const char *, struct stat *) 196 157 int mkdir(const char *, mode_t) 39 158 int readlink(const char *, char *, size_t) 85 159 int rmdir(const char *) 40 160 int rename(const char *, const char *) 38 161 int __getcwd:getcwd(char * buf, size_t size) 183 162 int access(const char *, int) 33 163 int faccessat(int, const char *, int, int) 334,307 164 int symlink(const char *, const char *) 83 165 int fchdir(int) 133 166 int truncate(const char*, off_t) 92 167 int setxattr(const char *, const char *, const void *, size_t, int) 226 168 int lsetxattr(const char *, const char *, const void *, size_t, int) 227 169 ssize_t getxattr(const char *, const char *, void *, size_t) 229 170 ssize_t lgetxattr(const char *, const char *, void *, size_t) 230 171 ssize_t listxattr(const char *, char *, size_t) 232 172 ssize_t llistxattr(const char *, char *, size_t) 233 173 int removexattr(const char *, const char *) 235 174 int lremovexattr(const char *, const char *) 236 175 int __statfs64:statfs64(const char *, size_t, struct statfs *) 266,268 176 177 # time 178 int pause () 29 179 int gettimeofday(struct timeval*, struct timezone*) 78 180 int settimeofday(const struct timeval*, const struct timezone*) 79 181 clock_t times(struct tms *) 43 182 int nanosleep(const struct timespec *, struct timespec *) 162 183 int clock_gettime(clockid_t clk_id, struct timespec *tp) 263,265 184 int clock_settime(clockid_t clk_id, const struct timespec *tp) 262,264 185 int clock_getres(clockid_t clk_id, struct timespec *res) 264,266 186 int clock_nanosleep(clockid_t clock_id, int flags, const struct timespec *req, struct timespec *rem) 265,267 187 int getitimer(int, const struct itimerval *) 105 188 int setitimer(int, const struct itimerval *, struct itimerval *) 104 189 int __timer_create:timer_create(clockid_t clockid, struct sigevent *evp, timer_t *timerid) 257,259 190 int __timer_settime:timer_settime(timer_t, int, const struct itimerspec*, struct itimerspec*) 258,260 191 int __timer_gettime:timer_gettime(timer_t, struct itimerspec*) 259,261 192 int __timer_getoverrun:timer_getoverrun(timer_t) 260,262 193 int __timer_delete:timer_delete(timer_t) 261,263 194 int utimes(const char*, const struct timeval tvp[2]) 269, 271 195 int utimensat(int, const char *, const struct timespec times[2], int) 348, 320, 320 196 197 # signals 198 int sigaction(int, const struct sigaction *, struct sigaction *) 67 199 int sigprocmask(int, const sigset_t *, sigset_t *) 126 200 int __sigsuspend:sigsuspend(int unused1, int unused2, unsigned mask) 72 201 int __rt_sigaction:rt_sigaction (int sig, const struct sigaction *act, struct sigaction *oact, size_t sigsetsize) 174 202 int __rt_sigprocmask:rt_sigprocmask (int how, const sigset_t *set, sigset_t *oset, size_t sigsetsize) 175 203 int __rt_sigtimedwait:rt_sigtimedwait(const sigset_t *set, struct siginfo_t *info, struct timespec_t *timeout, size_t sigset_size) 177 204 int sigpending(sigset_t *) 73 205 206 # sockets 207 int socket(int, int, int) 281,-1 208 int socketpair(int, int, int, int*) 288,-1 209 int bind(int, struct sockaddr *, int) 282,-1 210 int connect(int, struct sockaddr *, socklen_t) 283,-1 211 int listen(int, int) 284,-1 212 int accept(int, struct sockaddr *, socklen_t *) 285,-1 213 int getsockname(int, struct sockaddr *, socklen_t *) 286,-1 214 int getpeername(int, struct sockaddr *, socklen_t *) 287,-1 215 int sendto(int, const void *, size_t, int, const struct sockaddr *, socklen_t) 290,-1 216 int recvfrom(int, void *, size_t, unsigned int, struct sockaddr *, socklen_t *) 292,-1 217 int shutdown(int, int) 293,-1 218 int setsockopt(int, int, int, const void *, socklen_t) 294,-1 219 int getsockopt(int, int, int, void *, socklen_t *) 295,-1 220 int sendmsg(int, const struct msghdr *, unsigned int) 296,-1 221 int recvmsg(int, struct msghdr *, unsigned int) 297,-1 222 223 # sockets for x86. These are done as an "indexed" call to socketcall syscall. 224 int socket:socketcall:1 (int, int, int) -1,102 225 int bind:socketcall:2 (int, struct sockaddr *, int) -1,102 226 int connect:socketcall:3(int, struct sockaddr *, socklen_t) -1,102 227 int listen:socketcall:4(int, int) -1,102 228 int accept:socketcall:5(int, struct sockaddr *, socklen_t *) -1,102 229 int getsockname:socketcall:6(int, struct sockaddr *, socklen_t *) -1,102 230 int getpeername:socketcall:7(int, struct sockaddr *, socklen_t *) -1,102 231 int socketpair:socketcall:8(int, int, int, int*) -1,102 232 int sendto:socketcall:11(int, const void *, size_t, int, const struct sockaddr *, socklen_t) -1,102 233 int recvfrom:socketcall:12(int, void *, size_t, unsigned int, struct sockaddr *, socklen_t *) -1,102 234 int shutdown:socketcall:13(int, int) -1,102,-1 235 int setsockopt:socketcall:14(int, int, int, const void *, socklen_t) -1,102 236 int getsockopt:socketcall:15(int, int, int, void *, socklen_t *) -1,102 237 int sendmsg:socketcall:16(int, const struct msghdr *, unsigned int) -1,102 238 int recvmsg:socketcall:17(int, struct msghdr *, unsigned int) -1,102 239 240 # scheduler & real-time 241 int sched_setscheduler(pid_t pid, int policy, const struct sched_param *param) 156 242 int sched_getscheduler(pid_t pid) 157 243 int sched_yield(void) 158 244 int sched_setparam(pid_t pid, const struct sched_param *param) 154 245 int sched_getparam(pid_t pid, struct sched_param *param) 155 246 int sched_get_priority_max(int policy) 159 247 int sched_get_priority_min(int policy) 160 248 int sched_rr_get_interval(pid_t pid, struct timespec *interval) 161 249 int sched_setaffinity(pid_t pid, size_t setsize, const cpu_set_t* set) 241 250 int __sched_getaffinity:sched_getaffinity(pid_t pid, size_t setsize, cpu_set_t* set) 242 251 int __getcpu:getcpu(unsigned *cpu, unsigned *node, void *unused) 345,318 252 253 # io priorities 254 int ioprio_set(int which, int who, int ioprio) 314,289 255 int ioprio_get(int which, int who) 315,290 256 257 # other 258 int uname(struct utsname *) 122 259 pid_t __wait4:wait4(pid_t pid, int *status, int options, struct rusage *rusage) 114 260 mode_t umask(mode_t) 60 261 int __reboot:reboot(int, int, int, void *) 88 262 int __syslog:syslog(int, char *, int) 103 263 int init_module(void *, unsigned long, const char *) 128 264 int delete_module(const char*, unsigned int) 129 265 int klogctl:syslog(int, char *, int) 103 266 int sysinfo(struct sysinfo *) 116 267 int personality(unsigned long) 136 268 long perf_event_open(struct perf_event_attr *attr_uptr, pid_t pid, int cpu, int group_fd, unsigned long flags) 364 269 270 # futex 271 int futex(void *, int, int, void *, void *, int) 240 272 273 # epoll 274 int epoll_create(int size) 250,254 275 int epoll_ctl(int epfd, int op, int fd, struct epoll_event *event) 251,255 276 int epoll_wait(int epfd, struct epoll_event *events, int max, int timeout) 252,256 277 278 int inotify_init(void) 316,291,290 279 int inotify_add_watch(int, const char *, unsigned int) 317,292 280 int inotify_rm_watch(int, unsigned int) 318,293 281 282 int poll(struct pollfd *, unsigned int, long) 168 283 284 int eventfd:eventfd2(unsigned int, int) 356,328 285 286 # ARM-specific ARM_NR_BASE == 0x0f0000 == 983040 287 int __set_tls:ARM_set_tls(void*) 983045,-1 288 int cacheflush:ARM_cacheflush(long start, long end, long flags) 983042,-1 289