src/builtinref/syscall.txt
/*
# https://android.googlesource.com/platform/bionic/+/cd58770/libc/SYSCALLS.TXT
# this file is used to list all the syscalls that will be supported by
# the Bionic C library. It is used to automatically generate the syscall
# stubs, the list of syscall constants (__NR_xxxx) and the content of <linux/_unistd.h>
#
# each non comment line has the following format:
#
# return_type func_name[:syscall_name[:call_id]]([parameter_list]) (syscall_number|"stub")
#
# note that:
# - syscall_name correspond to the name of the syscall, which may differ from
# the exported function name (example: the exit syscall is implemented by the _exit()
# function, which is not the same as the standard C exit() function which calls it)
# The call_id parameter, given that func_name and syscall_name have
# been provided, allows the user to specify dispatch style syscalls.
# For example, socket() syscall on i386 actually becomes:
# socketcall(__NR_socket, 1, *(rest of args on stack)).
#
# - each parameter type is assumed to be stored on 32 bits, there is no plan to support
# 64-bit architectures at the moment
#
# - it there is "stub" instead of a syscall number, the tool will not generate any
# assembler template for the syscall; it's up to the bionic implementation to provide
# a relevant C stub
#
# - additionally, if the syscall number is different amoung ARM, and x86, MIPS use:
# return_type funcname[:syscall_name](parameters) arm_number,x86_number,mips_number
#
# the file is processed by a python script named gensyscalls.py
#
*/
//# process management
void _exit_thread:exit (int) 1
pid_t __fork:fork (void) 2
pid_t _waitpid:waitpid (pid_t, int*, int, struct rusage*) -1,7,7
int __waitid:waitid(int, pid_t, struct siginfo_t*, int,void*) 280,284,278
/*
# NOTE: this system call is never called directly, but we list it there
# to have __NR_clone properly defined.
#
*/
pid_t __sys_clone:clone (int, void*, int*, void*, int*) 120
int execve (const char*, char* const*, char* const*) 11
int __setuid:setuid32 (uid_t) 213,213,-1
int __setuid:setuid (uid_t) -1,-1,23
uid_t getuid:getuid32 () 199,199,-1
uid_t getuid:getuid () -1,-1,24
gid_t getgid:getgid32 () 200,200,-1
gid_t getgid:getgid () -1,-1,47
uid_t geteuid:geteuid32 () 201,201,-1
uid_t geteuid:geteuid () -1,-1,49
gid_t getegid:getegid32 () 202,202,-1
gid_t getegid:getegid () -1,-1,50
uid_t getresuid:getresuid32 (uid_t *ruid, uid_t *euid, uid_t *suid) 209,209,-1
uid_t getresuid:getresuid (uid_t *ruid, uid_t *euid, uid_t *suid) -1,-1,186
gid_t getresgid:getresgid32 (gid_t *rgid, gid_t *egid, gid_t *sgid) 211,211,-1
gid_t getresgid:getresgid (gid_t *rgid, gid_t *egid, gid_t *sgid) -1,-1,191
pid_t gettid() 224,224,222
ssize_t readahead(int, off64_t, size_t) 225,225,223
int getgroups:getgroups32(int, gid_t *) 205,205,-1
int getgroups:getgroups(int, gid_t *) -1,-1,80
pid_t getpgid(pid_t) 132
pid_t getppid() 64
pid_t getsid(pid_t) 147
pid_t setsid() 66
int setgid:setgid32(gid_t) 214,214,-1
int setgid:setgid(gid_t) -1,-1,46
int seteuid:seteuid32(uid_t) stub
int __setreuid:setreuid32(uid_t, uid_t) 203,203,-1
int __setreuid:setreuid(uid_t, uid_t) -1,-1,70
int __setresuid:setresuid32(uid_t, uid_t, uid_t) 208,208,-1
int __setresuid:setresuid(uid_t, uid_t, uid_t) -1,-1,185
int setresgid:setresgid32(gid_t, gid_t, gid_t) 210,210,-1
int setresgid:setresgid(gid_t, gid_t, gid_t) -1,-1,190
void* __brk:brk(void*) 45
//# see comments in arch-arm/bionic/kill.S to understand why we don't generate an ARM stub for kill/tkill
int kill(pid_t, int) -1,37,37
int tkill(pid_t tid, int sig) -1,238,236
int tgkill(pid_t tgid, pid_t tid, int sig) -1,270,266
int __ptrace:ptrace(int request, int pid, void* addr, void* data) 26
int __set_thread_area:set_thread_area(void* user_desc) -1,243,283
int __getpriority:getpriority(int, int) 96
int setpriority(int, int, int) 97
int setrlimit(int resource, const struct rlimit *rlp) 75
int getrlimit:ugetrlimit(int resource, struct rlimit *rlp) 191,191,-1
int getrlimit:getrlimit(int resource, struct rlimit *rlp) -1,-1,76
int getrusage(int who, struct rusage* r_usage) 77
int setgroups:setgroups32(int, const gid_t *) 206,206,-1
int setgroups:setgroups(int, const gid_t *) -1,-1,81
pid_t getpgrp(void) stub
int setpgid(pid_t, pid_t) 57
pid_t vfork(void) 190,-1,-1
int setregid:setregid32(gid_t, gid_t) 204,204,-1
int setregid:setregid(gid_t, gid_t) -1,-1,71
int chroot(const char *) 61
/*
# IMPORTANT: Even though <sys/prctl.h> declares prctl(int,...), the syscall stub must take 6 arguments
# to match the kernel implementation.
*/
int prctl(int option, unsigned int arg2, unsigned int arg3, unsigned int arg4, unsigned int arg5) 172,172,192
int capget(cap_user_header_t header, cap_user_data_t data) 184,184,204
int capset(cap_user_header_t header, const cap_user_data_t data) 185,185,205
int sigaltstack(const stack_t*, stack_t*) 186,186,206
int acct(const char* filepath) 51
// # file descriptors
ssize_t read (int, void*, size_t) 3
ssize_t write (int, const void*, size_t) 4
ssize_t pread64 (int, void *, size_t, off64_t) 180,180,200
ssize_t pwrite64 (int, void *, size_t, off64_t) 181,181,201
int __open:open (const char*, int, mode_t) 5
int __openat:openat (int, const char*, int, mode_t) 322,295,288
int close (int) 6
int creat(const char*, mode_t) stub
off_t lseek(int, off_t, int) 19
int __llseek:_llseek (int, unsigned long, unsigned long, loff_t*, int) 140
pid_t getpid () 20
void * mmap(void *, size_t, int, int, int, long) stub
void * __mmap2:mmap2(void*, size_t, int, int, int, long) 192,192,210
int munmap(void *, size_t) 91
void * mremap(void *, size_t, size_t, unsigned long) 163,163,167
int msync(const void *, size_t, int) 144
int mprotect(const void *, size_t, int) 125
int madvise(const void *, size_t, int) 220,219,218
int mlock(const void *addr, size_t len) 150,150,154
int munlock(const void *addr, size_t len) 151,151,155
int mlockall(int flags) 152,152,156
int munlockall() 153,153,157
int mincore(void* start, size_t length, unsigned char* vec) 219,218,217
int __ioctl:ioctl(int, int, void *) 54
int readv(int, const struct iovec *, int) 145
int writev(int, const struct iovec *, int) 146
int __fcntl:fcntl(int, int, void*) 55
int flock(int, int) 143
int fchmod(int, mode_t) 94
int dup(int) 41
int pipe(int *) 42,42,-1
int pipe2(int *, int) 359,331,328
int dup2(int, int) 63
int select:_newselect(int, struct fd_set *, struct fd_set *, struct fd_set *, struct timeval *) 142
int ftruncate(int, off_t) 93
int ftruncate64(int, off64_t) 194,194,212
int getdents:getdents64(unsigned int, struct dirent *, unsigned int) 217,220,219
int fsync(int) 118
int fdatasync(int) 148,148,152
int fchown:fchown32(int, uid_t, gid_t) 207,207,-1
int fchown:fchown(int, uid_t, gid_t) -1,-1,95
void sync(void) 36
int __fcntl64:fcntl64(int, int, void *) 221,221,220
int __fstatfs64:fstatfs64(int, size_t, struct statfs *) 267,269,256
ssize_t sendfile(int out_fd, int in_fd, off_t *offset, size_t count) 187,187,207
int fstatat:fstatat64(int dirfd, const char *path, struct stat *buf, int flags) 327,300,293
int mkdirat(int dirfd, const char *pathname, mode_t mode) 323,296,289
int fchownat(int dirfd, const char *path, uid_t owner, gid_t group, int flags) 325,298,291
int fchmodat(int dirfd, const char *path, mode_t mode, int flags) 333,306,299
int renameat(int olddirfd, const char *oldpath, int newdirfd, const char *newpath) 329,302,295
int fsetxattr(int, const char *, const void *, size_t, int) 228,228,226
ssize_t fgetxattr(int, const char *, void *, size_t) 231,231,229
ssize_t flistxattr(int, char *, size_t) 234,234,232
int fremovexattr(int, const char *) 237,237,235
// # file system
int link (const char*, const char*) 9
int unlink (const char*) 10
int unlinkat (int, const char *, int) 328,301,294
int chdir (const char*) 12
int mknod (const char*, mode_t, dev_t) 14
int chmod (const char*,mode_t) 15
int chown:chown32(const char *, uid_t, gid_t) 212,212,-1
int chown:chown(const char *, uid_t, gid_t) -1,-1,202
int lchown:lchown32 (const char*, uid_t, gid_t) 198,198,-1
int lchown:lchown (const char*, uid_t, gid_t) -1,-1,16
int mount (const char*, const char*, const char*, unsigned long, const void*) 21
int umount(const char*) stub
int umount2 (const char*, int) 52
int fstat:fstat64(int, struct stat*) 197,197,215
int stat:stat64(const char *, struct stat *) 195,195,213
int lstat:lstat64(const char *, struct stat *) 196,196,214
int mkdir(const char *, mode_t) 39
int readlink(const char *, char *, size_t) 85
int rmdir(const char *) 40
int rename(const char *, const char *) 38
int __getcwd:getcwd(char * buf, size_t size) 183,183,203
int access(const char *, int) 33
int faccessat(int, const char *, int, int) 334,307,300
int symlink(const char *, const char *) 83
int fchdir(int) 133
int truncate(const char*, off_t) 92
int setxattr(const char *, const char *, const void *, size_t, int) 226,226,224
int lsetxattr(const char *, const char *, const void *, size_t, int) 227,227,225
ssize_t getxattr(const char *, const char *, void *, size_t) 229,229,227
ssize_t lgetxattr(const char *, const char *, void *, size_t) 230,230,228
ssize_t listxattr(const char *, char *, size_t) 232,232,230
ssize_t llistxattr(const char *, char *, size_t) 233,233,231
int removexattr(const char *, const char *) 235,235,233
int lremovexattr(const char *, const char *) 236,236,234
int __statfs64:statfs64(const char *, size_t, struct statfs *) 266,268,255
long unshare(unsigned long) 337,310,303
// # time
int pause () 29
int gettimeofday(struct timeval*, struct timezone*) 78
int settimeofday(const struct timeval*, const struct timezone*) 79
clock_t times(struct tms *) 43
int nanosleep(const struct timespec *, struct timespec *) 162,162,166
int clock_gettime(clockid_t clk_id, struct timespec *tp) 263,265,263
int clock_settime(clockid_t clk_id, const struct timespec *tp) 262,264,262
int clock_getres(clockid_t clk_id, struct timespec *res) 264,266,264
int clock_nanosleep(clockid_t clock_id, int flags, const struct timespec *req, struct timespec *rem) 265,267,265
int getitimer(int, const struct itimerval *) 105
int setitimer(int, const struct itimerval *, struct itimerval *) 104
int __timer_create:timer_create(clockid_t clockid, struct sigevent *evp, timer_t *timerid) 257,259,257
int __timer_settime:timer_settime(timer_t, int, const struct itimerspec*, struct itimerspec*) 258,260,258
int __timer_gettime:timer_gettime(timer_t, struct itimerspec*) 259,261,259
int __timer_getoverrun:timer_getoverrun(timer_t) 260,262,260
int __timer_delete:timer_delete(timer_t) 261,263,261
int utimes(const char*, const struct timeval tvp[2]) 269,271,267
int utimensat(int, const char *, const struct timespec times[2], int) 348,320,316
// # signals
int sigaction(int, const struct sigaction *, struct sigaction *) 67
int sigprocmask(int, const sigset_t *, sigset_t *) 126
int __sigsuspend:sigsuspend(int unused1, int unused2, unsigned mask) 72,72,-1
int __sigsuspend:sigsuspend(const sigset_t *mask) -1,-1,72
int __rt_sigaction:rt_sigaction (int sig, const struct sigaction *act, struct sigaction *oact, size_t sigsetsize) 174,174,194
int __rt_sigprocmask:rt_sigprocmask (int how, const sigset_t *set, sigset_t *oset, size_t sigsetsize) 175,175,195
int __rt_sigtimedwait:rt_sigtimedwait(const sigset_t *set, struct siginfo_t *info, struct timespec_t *timeout, size_t sigset_size) 177,177,197
int sigpending(sigset_t *) 73
// # sockets
int socket(int, int, int) 281,-1,183
int socketpair(int, int, int, int*) 288,-1,184
int bind(int, struct sockaddr *, int) 282,-1,169
int connect(int, struct sockaddr *, socklen_t) 283,-1,170
int listen(int, int) 284,-1,174
int accept(int, struct sockaddr *, socklen_t *) 285,-1,168
int getsockname(int, struct sockaddr *, socklen_t *) 286,-1,172
int getpeername(int, struct sockaddr *, socklen_t *) 287,-1,171
int sendto(int, const void *, size_t, int, const struct sockaddr *, socklen_t) 290,-1,180
int recvfrom(int, void *, size_t, unsigned int, struct sockaddr *, socklen_t *) 292,-1,176
int shutdown(int, int) 293,-1,182
int setsockopt(int, int, int, const void *, socklen_t) 294,-1,181
int getsockopt(int, int, int, void *, socklen_t *) 295,-1,173
int sendmsg(int, const struct msghdr *, unsigned int) 296,-1,179
int recvmsg(int, struct msghdr *, unsigned int) 297,-1,177
// # sockets for x86. These are done as an "indexed" call to socketcall syscall.
int socket:socketcall:1 (int, int, int) -1,102,-1
int bind:socketcall:2 (int, struct sockaddr *, int) -1,102,-1
int connect:socketcall:3(int, struct sockaddr *, socklen_t) -1,102,-1
int listen:socketcall:4(int, int) -1,102,-1
int accept:socketcall:5(int, struct sockaddr *, socklen_t *) -1,102,-1
int getsockname:socketcall:6(int, struct sockaddr *, socklen_t *) -1,102,-1
int getpeername:socketcall:7(int, struct sockaddr *, socklen_t *) -1,102,-1
int socketpair:socketcall:8(int, int, int, int*) -1,102,-1
int sendto:socketcall:11(int, const void *, size_t, int, const struct sockaddr *, socklen_t) -1,102,-1
int recvfrom:socketcall:12(int, void *, size_t, unsigned int, struct sockaddr *, socklen_t *) -1,102,-1
int shutdown:socketcall:13(int, int) -1,102,-1
int setsockopt:socketcall:14(int, int, int, const void *, socklen_t) -1,102,-1
int getsockopt:socketcall:15(int, int, int, void *, socklen_t *) -1,102,-1
int sendmsg:socketcall:16(int, const struct msghdr *, unsigned int) -1,102,-1
int recvmsg:socketcall:17(int, struct msghdr *, unsigned int) -1,102,-1
// # scheduler & real-time
int sched_setscheduler(pid_t pid, int policy, const struct sched_param *param) 156,156,160
int sched_getscheduler(pid_t pid) 157,157,161
int sched_yield(void) 158,158,162
int sched_setparam(pid_t pid, const struct sched_param *param) 154,154,158
int sched_getparam(pid_t pid, struct sched_param *param) 155,155,159
int sched_get_priority_max(int policy) 159,159,163
int sched_get_priority_min(int policy) 160,160,164
int sched_rr_get_interval(pid_t pid, struct timespec *interval) 161,161,165
int sched_setaffinity(pid_t pid, size_t setsize, const cpu_set_t* set) 241,241,239
int __sched_getaffinity:sched_getaffinity(pid_t pid, size_t setsize, cpu_set_t* set) 242,242,240
int __getcpu:getcpu(unsigned *cpu, unsigned *node, void *unused) 345,318,312
// # io priorities
int ioprio_set(int which, int who, int ioprio) 314,289,314
int ioprio_get(int which, int who) 315,290,315
// # other
int uname(struct utsname *) 122
pid_t __wait4:wait4(pid_t pid, int *status, int options, struct rusage *rusage) 114
mode_t umask(mode_t) 60
int __reboot:reboot(int, int, int, void *) 88
int __syslog:syslog(int, char *, int) 103
int init_module(void *, unsigned long, const char *) 128
int delete_module(const char*, unsigned int) 129
int klogctl:syslog(int, char *, int) 103
int sysinfo(struct sysinfo *) 116
int personality(unsigned long) 136
long perf_event_open(struct perf_event_attr *attr_uptr, pid_t pid, int cpu, int group_fd, unsigned long flags) 364
// # futex
int futex(void *, int, int, void *, void *, int) 240,240,238
// # epoll
int epoll_create(int size) 250,254,248
int epoll_ctl(int epfd, int op, int fd, struct epoll_event *event) 251,255,249
int epoll_wait(int epfd, struct epoll_event *events, int max, int timeout) 252,256,250
int inotify_init(void) 316,291,284
int inotify_add_watch(int, const char *, unsigned int) 317,292,285
int inotify_rm_watch(int, unsigned int) 318,293,286
int poll(struct pollfd *, unsigned int, long) 168,168,188
int eventfd:eventfd2(unsigned int, int) 356,328,325
// # ARM-specific ARM_NR_BASE == 0x0f0000 == 983040
int __set_tls:ARM_set_tls(void*) 983045,-1,-1
int cacheflush:ARM_cacheflush(long start, long end, long flags) 983042,-1,-1
// # MIPS-specific
int _flush_cache:cacheflush(char *addr, const int nbytes, const int op) -1,-1,147
int syscall(int number,...) -1,-1,0