#ifdef __wasilibc_unmodified_upstream #ifndef _INTERNAL_SYSCALL_H #define _INTERNAL_SYSCALL_H #include #include #include #include "syscall_arch.h" #ifndef SYSCALL_RLIM_INFINITY #define SYSCALL_RLIM_INFINITY (~0ULL) #endif #ifndef SYSCALL_MMAP2_UNIT #define SYSCALL_MMAP2_UNIT 4096ULL #endif #ifndef __SYSCALL_LL_PRW #define __SYSCALL_LL_PRW(x) __SYSCALL_LL_O(x) #endif #ifndef __scc #define __scc(X) ((long) (X)) typedef long syscall_arg_t; #endif hidden long __syscall_ret(unsigned long), __syscall_cp(syscall_arg_t, syscall_arg_t, syscall_arg_t, syscall_arg_t, syscall_arg_t, syscall_arg_t, syscall_arg_t); #define __syscall1(n,a) __syscall1(n,__scc(a)) #define __syscall2(n,a,b) __syscall2(n,__scc(a),__scc(b)) #define __syscall3(n,a,b,c) __syscall3(n,__scc(a),__scc(b),__scc(c)) #define __syscall4(n,a,b,c,d) __syscall4(n,__scc(a),__scc(b),__scc(c),__scc(d)) #define __syscall5(n,a,b,c,d,e) __syscall5(n,__scc(a),__scc(b),__scc(c),__scc(d),__scc(e)) #define __syscall6(n,a,b,c,d,e,f) __syscall6(n,__scc(a),__scc(b),__scc(c),__scc(d),__scc(e),__scc(f)) #define __syscall7(n,a,b,c,d,e,f,g) __syscall7(n,__scc(a),__scc(b),__scc(c),__scc(d),__scc(e),__scc(f),__scc(g)) #define __SYSCALL_NARGS_X(a,b,c,d,e,f,g,h,n,...) n #define __SYSCALL_NARGS(...) __SYSCALL_NARGS_X(__VA_ARGS__,7,6,5,4,3,2,1,0,) #define __SYSCALL_CONCAT_X(a,b) a##b #define __SYSCALL_CONCAT(a,b) __SYSCALL_CONCAT_X(a,b) #define __SYSCALL_DISP(b,...) __SYSCALL_CONCAT(b,__SYSCALL_NARGS(__VA_ARGS__))(__VA_ARGS__) #define __syscall(...) __SYSCALL_DISP(__syscall,__VA_ARGS__) #define syscall(...) __syscall_ret(__syscall(__VA_ARGS__)) #define socketcall(nm,a,b,c,d,e,f) __syscall_ret(__socketcall(nm,a,b,c,d,e,f)) #define socketcall_cp(nm,a,b,c,d,e,f) __syscall_ret(__socketcall_cp(nm,a,b,c,d,e,f)) #define __syscall_cp0(n) (__syscall_cp)(n,0,0,0,0,0,0) #define __syscall_cp1(n,a) (__syscall_cp)(n,__scc(a),0,0,0,0,0) #define __syscall_cp2(n,a,b) (__syscall_cp)(n,__scc(a),__scc(b),0,0,0,0) #define __syscall_cp3(n,a,b,c) (__syscall_cp)(n,__scc(a),__scc(b),__scc(c),0,0,0) #define __syscall_cp4(n,a,b,c,d) (__syscall_cp)(n,__scc(a),__scc(b),__scc(c),__scc(d),0,0) #define __syscall_cp5(n,a,b,c,d,e) (__syscall_cp)(n,__scc(a),__scc(b),__scc(c),__scc(d),__scc(e),0) #define __syscall_cp6(n,a,b,c,d,e,f) (__syscall_cp)(n,__scc(a),__scc(b),__scc(c),__scc(d),__scc(e),__scc(f)) #define __syscall_cp(...) __SYSCALL_DISP(__syscall_cp,__VA_ARGS__) #define syscall_cp(...) __syscall_ret(__syscall_cp(__VA_ARGS__)) static inline long __alt_socketcall(int sys, int sock, int cp, long a, long b, long c, long d, long e, long f) { long r; if (cp) r = __syscall_cp(sys, a, b, c, d, e, f); else r = __syscall(sys, a, b, c, d, e, f); if (r != -ENOSYS) return r; #ifdef SYS_socketcall if (cp) r = __syscall_cp(SYS_socketcall, sock, ((long[6]){a, b, c, d, e, f})); else r = __syscall(SYS_socketcall, sock, ((long[6]){a, b, c, d, e, f})); #endif return r; } #define __socketcall(nm, a, b, c, d, e, f) __alt_socketcall(SYS_##nm, __SC_##nm, 0, \ (long)(a), (long)(b), (long)(c), (long)(d), (long)(e), (long)(f)) #define __socketcall_cp(nm, a, b, c, d, e, f) __alt_socketcall(SYS_##nm, __SC_##nm, 1, \ (long)(a), (long)(b), (long)(c), (long)(d), (long)(e), (long)(f)) /* fixup legacy 16-bit junk */ #ifdef SYS_getuid32 #undef SYS_lchown #undef SYS_getuid #undef SYS_getgid #undef SYS_geteuid #undef SYS_getegid #undef SYS_setreuid #undef SYS_setregid #undef SYS_getgroups #undef SYS_setgroups #undef SYS_fchown #undef SYS_setresuid #undef SYS_getresuid #undef SYS_setresgid #undef SYS_getresgid #undef SYS_chown #undef SYS_setuid #undef SYS_setgid #undef SYS_setfsuid #undef SYS_setfsgid #define SYS_lchown SYS_lchown32 #define SYS_getuid SYS_getuid32 #define SYS_getgid SYS_getgid32 #define SYS_geteuid SYS_geteuid32 #define SYS_getegid SYS_getegid32 #define SYS_setreuid SYS_setreuid32 #define SYS_setregid SYS_setregid32 #define SYS_getgroups SYS_getgroups32 #define SYS_setgroups SYS_setgroups32 #define SYS_fchown SYS_fchown32 #define SYS_setresuid SYS_setresuid32 #define SYS_getresuid SYS_getresuid32 #define SYS_setresgid SYS_setresgid32 #define SYS_getresgid SYS_getresgid32 #define SYS_chown SYS_chown32 #define SYS_setuid SYS_setuid32 #define SYS_setgid SYS_setgid32 #define SYS_setfsuid SYS_setfsuid32 #define SYS_setfsgid SYS_setfsgid32 #endif /* fixup legacy 32-bit-vs-lfs64 junk */ #ifdef SYS_fcntl64 #undef SYS_fcntl #define SYS_fcntl SYS_fcntl64 #endif #ifdef SYS_getdents64 #undef SYS_getdents #define SYS_getdents SYS_getdents64 #endif #ifdef SYS_ftruncate64 #undef SYS_ftruncate #undef SYS_truncate #define SYS_ftruncate SYS_ftruncate64 #define SYS_truncate SYS_truncate64 #endif #ifdef SYS_stat64 #undef SYS_stat #define SYS_stat SYS_stat64 #endif #ifdef SYS_fstat64 #undef SYS_fstat #define SYS_fstat SYS_fstat64 #endif #ifdef SYS_lstat64 #undef SYS_lstat #define SYS_lstat SYS_lstat64 #endif #ifdef SYS_statfs64 #undef SYS_statfs #define SYS_statfs SYS_statfs64 #endif #ifdef SYS_fstatfs64 #undef SYS_fstatfs #define SYS_fstatfs SYS_fstatfs64 #endif #if defined(SYS_newfstatat) #undef SYS_fstatat #define SYS_fstatat SYS_newfstatat #elif defined(SYS_fstatat64) #undef SYS_fstatat #define SYS_fstatat SYS_fstatat64 #endif #ifdef SYS_ugetrlimit #undef SYS_getrlimit #define SYS_getrlimit SYS_ugetrlimit #endif #ifdef SYS__newselect #undef SYS_select #define SYS_select SYS__newselect #endif #ifdef SYS_pread64 #undef SYS_pread #undef SYS_pwrite #define SYS_pread SYS_pread64 #define SYS_pwrite SYS_pwrite64 #endif #ifdef SYS_fadvise64_64 #undef SYS_fadvise #define SYS_fadvise SYS_fadvise64_64 #elif defined(SYS_fadvise64) #undef SYS_fadvise #define SYS_fadvise SYS_fadvise64 #endif #ifdef SYS_sendfile64 #undef SYS_sendfile #define SYS_sendfile SYS_sendfile64 #endif #ifndef SYS_timer_settime #define SYS_timer_settime SYS_timer_settime32 #endif #ifndef SYS_timer_gettime #define SYS_timer_gettime SYS_timer_gettime32 #endif #ifndef SYS_timerfd_settime #define SYS_timerfd_settime SYS_timerfd_settime32 #endif #ifndef SYS_timerfd_gettime #define SYS_timerfd_gettime SYS_timerfd_gettime32 #endif #ifndef SYS_clock_settime #define SYS_clock_settime SYS_clock_settime32 #endif #ifndef SYS_clock_gettime #define SYS_clock_gettime SYS_clock_gettime32 #endif #ifndef SYS_clock_getres #define SYS_clock_getres SYS_clock_getres_time32 #endif #ifndef SYS_clock_nanosleep #define SYS_clock_nanosleep SYS_clock_nanosleep_time32 #endif #ifndef SYS_gettimeofday #define SYS_gettimeofday SYS_gettimeofday_time32 #endif #ifndef SYS_settimeofday #define SYS_settimeofday SYS_settimeofday_time32 #endif /* Ensure that the plain syscall names are defined even for "time64-only" * archs. These facilitate callers passing null time arguments, and make * tests for establishing which to use/fallback-to more consistent when * they do need to be called with time arguments. */ #ifndef SYS_clock_gettime #define SYS_clock_gettime SYS_clock_gettime64 #endif #ifndef SYS_clock_settime #define SYS_clock_settime SYS_clock_settime64 #endif #ifndef SYS_clock_adjtime #define SYS_clock_adjtime SYS_clock_adjtime64 #endif #ifndef SYS_clock_getres #define SYS_clock_getres SYS_clock_getres_time64 #endif #ifndef SYS_clock_nanosleep #define SYS_clock_nanosleep SYS_clock_nanosleep_time64 #endif #ifndef SYS_timer_gettime #define SYS_timer_gettime SYS_timer_gettime64 #endif #ifndef SYS_timer_settime #define SYS_timer_settime SYS_timer_settime64 #endif #ifndef SYS_timerfd_gettime #define SYS_timerfd_gettime SYS_timerfd_gettime64 #endif #ifndef SYS_timerfd_settime #define SYS_timerfd_settime SYS_timerfd_settime64 #endif #ifndef SYS_utimensat #define SYS_utimensat SYS_utimensat_time64 #endif #ifndef SYS_pselect6 #define SYS_pselect6 SYS_pselect6_time64 #endif #ifndef SYS_ppoll #define SYS_ppoll SYS_ppoll_time64 #endif #ifndef SYS_recvmmsg #define SYS_recvmmsg SYS_recvmmsg_time64 #endif #ifndef SYS_mq_timedsend #define SYS_mq_timedsend SYS_mq_timedsend_time64 #endif #ifndef SYS_mq_timedreceive #define SYS_mq_timedreceive SYS_mq_timedreceive_time64 #endif /* SYS_semtimedop omitted because SYS_ipc may provide it */ #ifndef SYS_rt_sigtimedwait #define SYS_rt_sigtimedwait SYS_rt_sigtimedwait_time64 #endif #ifndef SYS_futex #define SYS_futex SYS_futex_time64 #endif #ifndef SYS_sched_rr_get_interval #define SYS_sched_rr_get_interval SYS_sched_rr_get_interval_time64 #endif /* socketcall calls */ #define __SC_socket 1 #define __SC_bind 2 #define __SC_connect 3 #define __SC_listen 4 #define __SC_accept 5 #define __SC_getsockname 6 #define __SC_getpeername 7 #define __SC_socketpair 8 #define __SC_send 9 #define __SC_recv 10 #define __SC_sendto 11 #define __SC_recvfrom 12 #define __SC_shutdown 13 #define __SC_setsockopt 14 #define __SC_getsockopt 15 #define __SC_sendmsg 16 #define __SC_recvmsg 17 #define __SC_accept4 18 #define __SC_recvmmsg 19 #define __SC_sendmmsg 20 /* This is valid only because all socket syscalls are made via * socketcall, which always fills unused argument slots with zeros. */ #ifndef SYS_accept #define SYS_accept SYS_accept4 #endif #ifndef SO_RCVTIMEO_OLD #define SO_RCVTIMEO_OLD 20 #endif #ifndef SO_SNDTIMEO_OLD #define SO_SNDTIMEO_OLD 21 #endif #define SO_TIMESTAMP_OLD 29 #define SO_TIMESTAMPNS_OLD 35 #define SO_TIMESTAMPING_OLD 37 #define SCM_TIMESTAMP_OLD SO_TIMESTAMP_OLD #define SCM_TIMESTAMPNS_OLD SO_TIMESTAMPNS_OLD #define SCM_TIMESTAMPING_OLD SO_TIMESTAMPING_OLD #ifndef SIOCGSTAMP_OLD #define SIOCGSTAMP_OLD 0x8906 #endif #ifndef SIOCGSTAMPNS_OLD #define SIOCGSTAMPNS_OLD 0x8907 #endif #ifdef SYS_open #define __sys_open2(x,pn,fl) __syscall2(SYS_open, pn, (fl)|O_LARGEFILE) #define __sys_open3(x,pn,fl,mo) __syscall3(SYS_open, pn, (fl)|O_LARGEFILE, mo) #define __sys_open_cp2(x,pn,fl) __syscall_cp2(SYS_open, pn, (fl)|O_LARGEFILE) #define __sys_open_cp3(x,pn,fl,mo) __syscall_cp3(SYS_open, pn, (fl)|O_LARGEFILE, mo) #else #define __sys_open2(x,pn,fl) __syscall3(SYS_openat, AT_FDCWD, pn, (fl)|O_LARGEFILE) #define __sys_open3(x,pn,fl,mo) __syscall4(SYS_openat, AT_FDCWD, pn, (fl)|O_LARGEFILE, mo) #define __sys_open_cp2(x,pn,fl) __syscall_cp3(SYS_openat, AT_FDCWD, pn, (fl)|O_LARGEFILE) #define __sys_open_cp3(x,pn,fl,mo) __syscall_cp4(SYS_openat, AT_FDCWD, pn, (fl)|O_LARGEFILE, mo) #endif #define __sys_open(...) __SYSCALL_DISP(__sys_open,,__VA_ARGS__) #define sys_open(...) __syscall_ret(__sys_open(__VA_ARGS__)) #define __sys_open_cp(...) __SYSCALL_DISP(__sys_open_cp,,__VA_ARGS__) #define sys_open_cp(...) __syscall_ret(__sys_open_cp(__VA_ARGS__)) hidden void __procfdname(char __buf[static 15+3*sizeof(int)], unsigned); hidden void *__vdsosym(const char *, const char *); #endif #endif