#ifndef _INTERNAL_SYSCALL_H
#define _INTERNAL_SYSCALL_H
+#include <features.h>
+#include <errno.h>
#include <sys/syscall.h>
#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
-#if defined(__PIC__) && (100*__GNUC__+__GNUC_MINOR__ >= 303)
-__attribute__((visibility("protected")))
-#endif
-long __syscall_ret(unsigned long), __syscall(syscall_arg_t, ...),
+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 __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) (__syscall)(n,__scc(a),__scc(b),__scc(c),__scc(d),__scc(e),__scc(f),__scc(g))
+#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(...) __SYSCALL_DISP(__syscall,__VA_ARGS__)
#define syscall(...) __syscall_ret(__syscall(__VA_ARGS__))
-#define socketcall __socketcall
-#define socketcall_cp __socketcall_cp
+#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_cp(...) __SYSCALL_DISP(__syscall_cp,__VA_ARGS__)
#define syscall_cp(...) __syscall_ret(__syscall_cp(__VA_ARGS__))
-#ifdef SYS_socket
-#define __socketcall(nm,a,b,c,d,e,f) syscall(SYS_##nm, a, b, c, d, e, f)
-#define __socketcall_cp(nm,a,b,c,d,e,f) syscall_cp(SYS_##nm, a, b, c, d, e, f)
-#else
-#define __socketcall(nm,a,b,c,d,e,f) syscall(SYS_socketcall, __SC_##nm, \
- ((long [6]){ (long)a, (long)b, (long)c, (long)d, (long)e, (long)f }))
-#define __socketcall_cp(nm,a,b,c,d,e,f) syscall_cp(SYS_socketcall, __SC_##nm, \
- ((long [6]){ (long)a, (long)b, (long)c, (long)d, (long)e, (long)f }))
+static inline long __alt_socketcall(int sys, int sock, int cp, syscall_arg_t a, syscall_arg_t b, syscall_arg_t c, syscall_arg_t d, syscall_arg_t e, syscall_arg_t 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, \
+ __scc(a), __scc(b), __scc(c), __scc(d), __scc(e), __scc(f))
+#define __socketcall_cp(nm, a, b, c, d, e, f) __alt_socketcall(SYS_##nm, __SC_##nm, 1, \
+ __scc(a), __scc(b), __scc(c), __scc(d), __scc(e), __scc(f))
/* fixup legacy 16-bit junk */
#ifdef SYS_stat64
#undef SYS_stat
-#undef SYS_fstat
-#undef SYS_lstat
-#undef SYS_statfs
-#undef SYS_fstatfs
#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
#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
+
+#ifdef SYS_timer_settime32
+#define SYS_timer_settime SYS_timer_settime32
+#endif
+
+#ifdef SYS_timer_gettime32
+#define SYS_timer_gettime SYS_timer_gettime32
+#endif
+
+#ifdef SYS_timerfd_settime32
+#define SYS_timerfd_settime SYS_timerfd_settime32
+#endif
+
+#ifdef SYS_timerfd_gettime32
+#define SYS_timerfd_gettime SYS_timerfd_gettime32
+#endif
+
+#ifdef SYS_clock_settime32
+#define SYS_clock_settime SYS_clock_settime32
+#endif
+
+#ifdef SYS_clock_gettime32
+#define SYS_clock_gettime SYS_clock_gettime32
+#endif
+
+#ifdef SYS_clock_getres_time32
+#define SYS_clock_getres SYS_clock_getres_time32
+#endif
+
+#ifdef SYS_clock_nanosleep_time32
+#define SYS_clock_nanosleep SYS_clock_nanosleep_time32
+#endif
+
+#ifdef SYS_gettimeofday_time32
+#define SYS_gettimeofday SYS_gettimeofday_time32
+#endif
+
+#ifdef SYS_settimeofday_time32
+#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
projects / musl / blobdiff