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# This file is used to populate seccomp's whitelist policy in combination with SYSCALLS.TXT.
# Note that the resultant policy is applied only to zygote spawned processes.
#
# Each non-blank, non-comment line has the following format:
#
# return_type func_name[|alias_list][:syscall_name[:socketcall_id]]([parameter_list]) arch_list
#
# where:
# arch_list ::= "all" | arch+
# arch ::= "arm" | "arm64" | "mips" | "mips64" | "x86" | "x86_64"
#
# Note:
# - syscall_name corresponds 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)
# - alias_list is optional comma separated list of function aliases
#
# - 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 in 32 bits.
#
# This file is processed by a python script named gensyscalls.py.
# syscalls needed to boot android
int pivot_root:pivot_root(const char *new_root, const char *put_old) arm64,x86_64,mips64
int ioprio_get:ioprio_get(int which, int who) arm64,x86_64,mips64
int ioprio_set:ioprio_set(int which, int who, int ioprio) arm64,x86_64,mips64
pid_t gettid:gettid() all
int futex:futex(int *uaddr, int futex_op, int val, const struct timespec *timeout, int *uaddr2, int val3) all
int clone:clone(int (*fn)(void *), void *child_stack, int flags, void *arg, ..) all
int rt_sigreturn:rt_sigreturn(unsigned long __unused) all
int rt_tgsigqueueinfo:int rt_tgsigqueueinfo(pid_t tgid, pid_t tid, int sig, siginfo_t *uinfo) all
int restart_syscall:int restart_syscall() all
int getrandom:int getrandom(void *buf, size_t buflen, unsigned int flags) all
# Needed for performance tools
int perf_event_open:perf_event_open(struct perf_event_attr *attr, pid_t pid, int cpu, int group_fd, unsigned long flags) all
# Needed for strace
int tkill:tkill(int tid, int sig) all
# b/35034743
int syncfs:syncfs(int fd) all
# b/34763393
int seccomp:seccomp(unsigned int operation, unsigned int flags, void *args) all
# syscalls needed to boot android
int sigreturn:sigreturn(unsigned long __unused) arm,x86,mips
# Syscalls needed to run GFXBenchmark
pid_t vfork:vfork() arm,x86,x86_64
# Needed for debugging 32-bit Chrome
int pipe:pipe(int pipefd[2]) arm,x86,mips
# b/34651972
int access:access(const char *pathname, int mode) arm,x86,mips
int stat64:stat64(const char *restrict path, struct stat64 *restrict buf) arm,x86,mips
# b/34813887
int open:open(const char *path, int oflag, ... ) arm,x86,mips
int getdents:getdents(unsigned int fd, struct linux_dirent *dirp, unsigned int count) arm,x86,mips
# b/34719286
int eventfd:eventfd(unsigned int initval, int flags) arm,x86,mips
# b/34817266
int epoll_wait:epoll_wait(int epfd, struct epoll_event *events, int maxevents, int timeout) arm,x86,mips
# Needed by sanitizers (b/34606909)
# 5 (__NR_open) and 195 (__NR_stat64) are also required, but they are
# already allowed.
ssize_t readlink:readlink(const char *path, char *buf, size_t bufsiz) arm,x86,mips
# b/34908783
int epoll_create:epoll_create(int size) arm,x86,mips
# b/34979910
int creat:creat(const char *pathname, mode_t mode) arm,x86,mips
int unlink:unlink(const char *pathname) arm,x86,mips
# b/35059702
int lstat64:lstat64(const char *restrict path, struct stat64 *restrict buf) arm,x86,mips
# b/35217603
int fcntl:fcntl(int fd, int cmd, ... /* arg */ ) arm,x86,mips
pid_t fork:fork() arm,x86,mips
int poll:poll(struct pollfd *fds, nfds_t nfds, int timeout) arm,x86,mips
# b/35906875. Note mips already has getuid from SYSCALLS.TXT
int inotify_init() arm,x86,mips
uid_t getuid() arm,x86
# b/36435222
int remap_file_pages(void *addr, size_t size, int prot, size_t pgoff, int flags) arm,x86,mips
# b/36449658
int rename(const char *oldpath, const char *newpath) arm,x86,mips
# b/36726183. Note arm does not support mmap
void* mmap(void *addr, size_t length, int prot, int flags, int fd, off_t offset) x86,mips
# Useful new syscalls which we don't yet use in bionic.
int sched_getattr(pid_t pid, struct sched_attr* attr, unsigned int flags) all
int sched_setattr(pid_t pid, struct sched_attr* attr, unsigned int size, unsigned int flags) all
int memfd_create(const char* name, unsigned int flags) all
int renameat2(int olddirfd, const char* oldpath, int newdirfd, const char* newpath, unsigned int flags) all
int execveat(int dirfd, const char* pathname, char* const* argv, char* const* envp, int flags) all
ssize_t copy_file_range(int fd_in, loff_t* off_in, int fd_out, loff_t* off_out, size_t len, unsigned int flags) all
int mlock2(const void* addr, size_t len, int flags) all
ssize_t preadv2(int fd, const struct iovec* iov, int iovcnt, off_t offset, int flags) all
ssize_t pwritev2(int fd, const struct iovec* iov, int iovcnt, off_t offset, int flags) all
# b/37769298
int dup2(int oldfd, int newfd) arm,x86,mips
# b/62779795
int compat_select:_newselect(int n, unsigned long* inp, unsigned long* outp, unsigned long* exp, struct timeval* timeout) arm,x86,mips
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