SYSCALLS.TXT revision 3d5cb30d23cfc6a72f01c00246e69a2c614c8228
1# This file is used to automatically generate bionic's system call stubs. 2# 3# Each non-blank, non-comment line has the following format: 4# 5# return_type func_name[|alias_list][:syscall_name[:socketcall_id]]([parameter_list]) arch_list 6# 7# where: 8# arch_list ::= "all" | arch+ 9# arch ::= "arm" | "arm64" | "mips" | "mips64" | "x86" | "x86_64" 10# 11# Note: 12# - syscall_name corresponds to the name of the syscall, which may differ from 13# the exported function name (example: the exit syscall is implemented by the _exit() 14# function, which is not the same as the standard C exit() function which calls it) 15# 16# - alias_list is optional comma separated list of function aliases. 17# 18# - The call_id parameter, given that func_name and syscall_name have 19# been provided, allows the user to specify dispatch style syscalls. 20# For example, socket() syscall on i386 actually becomes: 21# socketcall(__NR_socket, 1, *(rest of args on stack)). 22# 23# - Each parameter type is assumed to be stored in 32 bits. 24# 25# This file is processed by a python script named gensyscalls.py. 26 27int execve(const char*, char* const*, char* const*) all 28 29uid_t getuid:getuid32() arm,x86 30uid_t getuid:getuid() arm64,mips,mips64,x86_64 31gid_t getgid:getgid32() arm,x86 32gid_t getgid:getgid() arm64,mips,mips64,x86_64 33uid_t geteuid:geteuid32() arm,x86 34uid_t geteuid:geteuid() arm64,mips,mips64,x86_64 35gid_t getegid:getegid32() arm,x86 36gid_t getegid:getegid() arm64,mips,mips64,x86_64 37uid_t getresuid:getresuid32(uid_t* ruid, uid_t* euid, uid_t* suid) arm,x86 38uid_t getresuid:getresuid(uid_t* ruid, uid_t* euid, uid_t* suid) arm64,mips,mips64,x86_64 39gid_t getresgid:getresgid32(gid_t* rgid, gid_t* egid, gid_t* sgid) arm,x86 40gid_t getresgid:getresgid(gid_t* rgid, gid_t* egid, gid_t* sgid) arm64,mips,mips64,x86_64 41ssize_t readahead(int, off64_t, size_t) all 42int getgroups:getgroups32(int, gid_t*) arm,x86 43int getgroups:getgroups(int, gid_t*) arm64,mips,mips64,x86_64 44pid_t getpgid(pid_t) all 45pid_t getppid() all 46pid_t getsid(pid_t) all 47pid_t setsid() all 48int setgid:setgid32(gid_t) arm,x86 49int setgid:setgid(gid_t) arm64,mips,mips64,x86_64 50int setuid:setuid32(uid_t) arm,x86 51int setuid:setuid(uid_t) arm64,mips,mips64,x86_64 52int setreuid:setreuid32(uid_t, uid_t) arm,x86 53int setreuid:setreuid(uid_t, uid_t) arm64,mips,mips64,x86_64 54int setresuid:setresuid32(uid_t, uid_t, uid_t) arm,x86 55int setresuid:setresuid(uid_t, uid_t, uid_t) arm64,mips,mips64,x86_64 56int setresgid:setresgid32(gid_t, gid_t, gid_t) arm,x86 57int setresgid:setresgid(gid_t, gid_t, gid_t) arm64,mips,mips64,x86_64 58void* __brk:brk(void*) all 59int kill(pid_t, int) all 60int tgkill(pid_t tgid, pid_t tid, int sig) all 61int __ptrace:ptrace(int request, int pid, void* addr, void* data) all 62 63# <sys/resource.h> 64int getrusage(int, struct rusage*) all 65int __getpriority:getpriority(int, int) all 66int setpriority(int, int, int) all 67# On LP64, rlimit and rlimit64 are the same. 68# On 32-bit systems we use prlimit64 to implement the rlimit64 functions. 69int getrlimit:ugetrlimit(int, struct rlimit*) arm,x86 70int getrlimit(int, struct rlimit*) mips 71int getrlimit|getrlimit64(int, struct rlimit*) arm64,mips64,x86_64 72int setrlimit(int, const struct rlimit*) arm,mips,x86 73int setrlimit|setrlimit64(int, const struct rlimit*) arm64,mips64,x86_64 74int prlimit64|prlimit(pid_t, int, struct rlimit64*, const struct rlimit64*) arm64,mips64,x86_64 75int prlimit64(pid_t, int, struct rlimit64*, const struct rlimit64*) arm,mips,x86 76 77int setgroups:setgroups32(int, const gid_t*) arm,x86 78int setgroups:setgroups(int, const gid_t*) arm64,mips,mips64,x86_64 79int setpgid(pid_t, pid_t) all 80pid_t vfork(void) arm 81int setregid:setregid32(gid_t, gid_t) arm,x86 82int setregid:setregid(gid_t, gid_t) arm64,mips,mips64,x86_64 83int chroot(const char*) all 84# IMPORTANT: Even though <sys/prctl.h> declares prctl(int, ...), the syscall stub must take 6 arguments 85# to match the kernel implementation. 86int prctl(int option, unsigned int arg2, unsigned int arg3, unsigned int arg4, unsigned int arg5) all 87long __arch_prctl:arch_prctl(int, unsigned long) x86_64 88int capget(cap_user_header_t header, cap_user_data_t data) all 89int capset(cap_user_header_t header, const cap_user_data_t data) all 90int sigaltstack(const stack_t*, stack_t*) all 91int acct(const char* filepath) all 92 93# file descriptors 94ssize_t read(int, void*, size_t) all 95ssize_t write(int, const void*, size_t) all 96ssize_t pread64(int, void*, size_t, off64_t) arm,mips,x86 97ssize_t pread64|pread(int, void*, size_t, off_t) arm64,mips64,x86_64 98ssize_t pwrite64(int, void*, size_t, off64_t) arm,mips,x86 99ssize_t pwrite64|pwrite(int, void*, size_t, off_t) arm64,mips64,x86_64 100int close(int) all 101pid_t getpid() all 102int munmap(void*, size_t) all 103void* mremap(void*, size_t, size_t, unsigned long) all 104int msync(const void*, size_t, int) all 105int mprotect(const void*, size_t, int) all 106int madvise(const void*, size_t, int) all 107int mlock(const void* addr, size_t len) all 108int munlock(const void* addr, size_t len) all 109int mlockall(int flags) all 110int munlockall() all 111int mincore(void* start, size_t length, unsigned char* vec) all 112int __ioctl:ioctl(int, int, void*) all 113int readv(int, const struct iovec*, int) all 114int writev(int, const struct iovec*, int) all 115int __fcntl64:fcntl64(int, int, void*) arm,mips,x86 116int fcntl(int, int, void*) arm64,mips64,x86_64 117int flock(int, int) all 118int fchmod(int, mode_t) all 119int dup(int) all 120int pipe2(int*, int) all 121int dup3(int, int, int) all 122int fsync(int) all 123int fdatasync(int) all 124int fchown:fchown32(int, uid_t, gid_t) arm,x86 125int fchown:fchown(int, uid_t, gid_t) arm64,mips,mips64,x86_64 126void sync(void) all 127int fsetxattr(int, const char*, const void*, size_t, int) all 128ssize_t fgetxattr(int, const char*, void*, size_t) all 129ssize_t flistxattr(int, char*, size_t) all 130int fremovexattr(int, const char*) all 131 132int __getdents64:getdents64(unsigned int, struct dirent*, unsigned int) arm,arm64,mips,mips64,x86,x86_64 133 134int __openat:openat(int, const char*, int, mode_t) all 135int faccessat(int, const char*, int, int) all 136int fchmodat(int, const char*, mode_t, int) all 137int fchownat(int, const char*, uid_t, gid_t, int) all 138int fstatat64|fstatat:fstatat64(int, const char*, struct stat*, int) arm,mips,x86 139int fstatat64|fstatat:newfstatat(int, const char*, struct stat*, int) arm64,mips64,x86_64 140int linkat(int, const char*, int, const char*, int) all 141int mkdirat(int, const char*, mode_t) all 142int mknodat(int, const char*, mode_t, dev_t) all 143int readlinkat(int, const char*, char*, size_t) all 144int renameat(int, const char*, int, const char*) all 145int symlinkat(const char*, int, const char*) all 146int unlinkat(int, const char*, int) all 147int utimensat(int, const char*, const struct timespec times[2], int) all 148 149# Paired off_t/off64_t system calls. On 64-bit systems, 150# sizeof(off_t) == sizeof(off64_t), so there we emit two symbols that are 151# aliases. On 32-bit systems, we have two different system calls. 152# That means that every system call in this section should take three lines. 153off_t lseek(int, off_t, int) arm,mips,x86 154int __llseek:_llseek(int, unsigned long, unsigned long, off64_t*, int) arm,mips,x86 155off_t lseek|lseek64(int, off_t, int) arm64,mips64,x86_64 156int ftruncate(int, off_t) arm,mips,x86 157int ftruncate64(int, off64_t) arm,mips,x86 158int ftruncate|ftruncate64(int, off_t) arm64,mips64,x86_64 159ssize_t sendfile(int out_fd, int in_fd, off_t* offset, size_t count) arm,mips,x86 160ssize_t sendfile64(int out_fd, int in_fd, off64_t* offset, size_t count) arm,mips,x86 161ssize_t sendfile|sendfile64(int out_fd, int in_fd, off_t* offset, size_t count) arm64,mips64,x86_64 162int truncate(const char*, off_t) arm,mips,x86 163int truncate64(const char*, off64_t) arm,mips,x86 164int truncate|truncate64(const char*, off_t) arm64,mips64,x86_64 165# (mmap only gets two lines because we only used the 64-bit variant on 32-bit systems.) 166void* __mmap2:mmap2(void*, size_t, int, int, int, long) arm,mips,x86 167void* mmap|mmap64(void*, size_t, int, int, int, off_t) arm64,mips64,x86_64 168# (fallocate only gets two lines because there is no 32-bit variant.) 169int fallocate64:fallocate(int, int, off64_t, off64_t) arm,mips,x86 170int fallocate|fallocate64(int, int, off_t, off_t) arm64,mips64,x86_64 171 172int __fstatfs64:fstatfs64(int, size_t, struct statfs*) arm,mips,x86 173int fstatfs64|fstatfs:fstatfs(int, struct statfs*) arm64,mips64,x86_64 174int __statfs64:statfs64(const char*, size_t, struct statfs*) arm,mips,x86 175int statfs64|statfs:statfs(const char*, struct statfs*) arm64,mips64,x86_64 176 177int fstat64|fstat:fstat64(int, struct stat*) arm,mips,x86 178int fstat64|fstat:fstat(int, struct stat*) arm64,mips64,x86_64 179 180# file system 181int chdir(const char*) all 182int mount(const char*, const char*, const char*, unsigned long, const void*) all 183int umount2(const char*, int) all 184int __getcwd:getcwd(char* buf, size_t size) all 185int fchdir(int) all 186int setxattr(const char*, const char*, const void*, size_t, int) all 187int lsetxattr(const char*, const char*, const void*, size_t, int) all 188ssize_t getxattr(const char*, const char*, void*, size_t) all 189ssize_t lgetxattr(const char*, const char*, void*, size_t) all 190ssize_t listxattr(const char*, char*, size_t) all 191ssize_t llistxattr(const char*, char*, size_t) all 192int removexattr(const char*, const char*) all 193int lremovexattr(const char*, const char*) all 194int swapon(const char*, int) all 195int swapoff(const char*) all 196 197# time 198int gettimeofday(struct timeval*, struct timezone*) all 199int settimeofday(const struct timeval*, const struct timezone*) all 200clock_t times(struct tms*) all 201int nanosleep(const struct timespec*, struct timespec*) all 202int clock_gettime(clockid_t clk_id, struct timespec* tp) all 203int clock_settime(clockid_t clk_id, const struct timespec* tp) all 204int clock_getres(clockid_t clk_id, struct timespec* res) all 205int clock_nanosleep(clockid_t clock_id, int flags, const struct timespec* req, struct timespec* rem) all 206int getitimer(int, const struct itimerval*) all 207int setitimer(int, const struct itimerval*, struct itimerval*) all 208int __timer_create:timer_create(clockid_t clockid, struct sigevent* evp, __kernel_timer_t* timerid) all 209int __timer_settime:timer_settime(__kernel_timer_t, int, const struct itimerspec*, struct itimerspec*) all 210int __timer_gettime:timer_gettime(__kernel_timer_t, struct itimerspec*) all 211int __timer_getoverrun:timer_getoverrun(__kernel_timer_t) all 212int __timer_delete:timer_delete(__kernel_timer_t) all 213int timerfd_create(clockid_t, int) all 214int timerfd_settime(int, int, const struct itimerspec*, struct itimerspec*) all 215int timerfd_gettime(int, struct itimerspec*) all 216 217# signals 218int __sigaction:sigaction(int, const struct sigaction*, struct sigaction*) arm,mips,x86 219int __rt_sigaction:rt_sigaction(int, const struct sigaction*, struct sigaction*, size_t) all 220int __rt_sigpending:rt_sigpending(sigset_t*, size_t) all 221int __rt_sigprocmask:rt_sigprocmask(int, const sigset_t*, sigset_t*, size_t) all 222int __rt_sigsuspend:rt_sigsuspend(const sigset_t*, size_t) all 223int __rt_sigtimedwait:rt_sigtimedwait(const sigset_t*, struct siginfo_t*, struct timespec_t*, size_t) all 224int __signalfd4:signalfd4(int, const sigset_t*, size_t, int) all 225 226# sockets 227int __socket:socket(int, int, int) arm,arm64,mips,mips64,x86_64 228int socketpair(int, int, int, int*) arm,arm64,mips,mips64,x86_64 229int bind(int, struct sockaddr*, int) arm,arm64,mips,mips64,x86_64 230int __connect:connect(int, struct sockaddr*, socklen_t) arm,arm64,mips,mips64,x86_64 231int listen(int, int) arm,arm64,mips,mips64,x86_64 232int __accept4:accept4(int, struct sockaddr*, socklen_t*, int) arm,arm64,mips,mips64,x86_64 233int getsockname(int, struct sockaddr*, socklen_t*) arm,arm64,mips,mips64,x86_64 234int getpeername(int, struct sockaddr*, socklen_t*) arm,arm64,mips,mips64,x86_64 235int sendto(int, const void*, size_t, int, const struct sockaddr*, socklen_t) arm,arm64,mips,mips64,x86_64 236int recvfrom(int, void*, size_t, unsigned int, struct sockaddr*, socklen_t*) arm,arm64,mips,mips64,x86_64 237int shutdown(int, int) arm,arm64,mips,mips64,x86_64 238int setsockopt(int, int, int, const void*, socklen_t) arm,arm64,mips,mips64,x86_64 239int getsockopt(int, int, int, void*, socklen_t*) arm,arm64,mips,mips64,x86_64 240int sendmsg(int, const struct msghdr*, unsigned int) arm,arm64,mips,mips64,x86_64 241int recvmsg(int, struct msghdr*, unsigned int) arm,arm64,mips,mips64,x86_64 242int recvmmsg(int, struct mmsghdr*, unsigned int, int, const struct timespec*) arm,arm64,mips,mips64,x86_64 243int sendmmsg(int, struct mmsghdr*, unsigned int, int) arm,arm64,mips,mips64,x86_64 244 245# sockets for x86. These are done as an "indexed" call to socketcall syscall. 246int __socket:socketcall:1(int, int, int) x86 247int bind:socketcall:2(int, struct sockaddr*, int) x86 248int __connect:socketcall:3(int, struct sockaddr*, socklen_t) x86 249int listen:socketcall:4(int, int) x86 250int getsockname:socketcall:6(int, struct sockaddr*, socklen_t*) x86 251int getpeername:socketcall:7(int, struct sockaddr*, socklen_t*) x86 252int socketpair:socketcall:8(int, int, int, int*) x86 253int sendto:socketcall:11(int, const void*, size_t, int, const struct sockaddr*, socklen_t) x86 254int recvfrom:socketcall:12(int, void*, size_t, unsigned int, struct sockaddr*, socklen_t*) x86 255int shutdown:socketcall:13(int, int) x86 256int setsockopt:socketcall:14(int, int, int, const void*, socklen_t) x86 257int getsockopt:socketcall:15(int, int, int, void*, socklen_t*) x86 258int sendmsg:socketcall:16(int, const struct msghdr*, unsigned int) x86 259int recvmsg:socketcall:17(int, struct msghdr*, unsigned int) x86 260int __accept4:socketcall:18(int, struct sockaddr*, socklen_t*, int) x86 261int recvmmsg:socketcall:19(int, struct mmsghdr*, unsigned int, int, const struct timespec*) x86 262int sendmmsg:socketcall:20(int, struct mmsghdr*, unsigned int, int) x86 263 264# scheduler & real-time 265int sched_setscheduler(pid_t pid, int policy, const struct sched_param* param) all 266int sched_getscheduler(pid_t pid) all 267int sched_yield(void) all 268int sched_setparam(pid_t pid, const struct sched_param* param) all 269int sched_getparam(pid_t pid, struct sched_param* param) all 270int sched_get_priority_max(int policy) all 271int sched_get_priority_min(int policy) all 272int sched_rr_get_interval(pid_t pid, struct timespec* interval) all 273int sched_setaffinity(pid_t pid, size_t setsize, const cpu_set_t* set) all 274int setns(int, int) all 275int unshare(int) all 276int __sched_getaffinity:sched_getaffinity(pid_t pid, size_t setsize, cpu_set_t* set) all 277int __getcpu:getcpu(unsigned*, unsigned*, void*) all 278 279# io priorities 280int ioprio_set(int which, int who, int ioprio) all 281int ioprio_get(int which, int who) all 282 283# other 284int uname(struct utsname*) all 285mode_t umask(mode_t) all 286int __reboot:reboot(int, int, int, void*) all 287int init_module(void*, unsigned long, const char*) all 288int delete_module(const char*, unsigned int) all 289int klogctl:syslog(int, char*, int) all 290int sysinfo(struct sysinfo*) all 291int personality(unsigned long) all 292 293int epoll_create1(int) all 294int epoll_ctl(int, int op, int, struct epoll_event*) all 295int __epoll_pwait:epoll_pwait(int, struct epoll_event*, int, int, const sigset_t*, size_t) all 296 297int eventfd:eventfd2(unsigned int, int) all 298 299void _exit|_Exit:exit_group(int) all 300void __exit:exit(int) all 301 302int inotify_init1(int) all 303int inotify_add_watch(int, const char*, unsigned int) all 304int inotify_rm_watch(int, unsigned int) all 305 306int __pselect6:pselect6(int, fd_set*, fd_set*, fd_set*, timespec*, void*) all 307int __ppoll:ppoll(pollfd*, unsigned int, timespec*, const sigset_t*, size_t) all 308 309int __set_tid_address:set_tid_address(int*) all 310 311pid_t wait4(pid_t, int*, int, struct rusage*) all 312int __waitid:waitid(int, pid_t, struct siginfo_t*, int, void*) all 313 314# ARM-specific 315int __set_tls:__ARM_NR_set_tls(void*) arm 316int cacheflush:__ARM_NR_cacheflush(long start, long end, long flags) arm 317 318# MIPS-specific 319int _flush_cache:cacheflush(char* addr, const int nbytes, const int op) mips,mips64 320int __set_tls:set_thread_area(void*) mips,mips64 321 322# x86-specific 323int __set_thread_area:set_thread_area(void*) x86 324