| #ifndef _INTERNAL_SYSCALL_H |
| #define _INTERNAL_SYSCALL_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 __scc |
| #define __scc(X) ((long)(X)) |
| typedef long syscall_arg_t; |
| #endif |
| |
| __attribute__((visibility("hidden"))) long __syscall_ret(unsigned long), |
| __syscall(syscall_arg_t, ...), __syscall_cp(syscall_arg_t, |
| syscall_arg_t, |
| syscall_arg_t, |
| syscall_arg_t, |
| syscall_arg_t, |
| syscall_arg_t, |
| syscall_arg_t); |
| |
| #ifdef SYSCALL_NO_INLINE |
| #define __syscall0(n) (__syscall)(n) |
| #define __syscall1(n, a) (__syscall)(n, __scc(a)) |
| #define __syscall2(n, a, b) (__syscall)(n, __scc(a), __scc(b)) |
| #define __syscall3(n, a, b, c) (__syscall)(n, __scc(a), __scc(b), __scc(c)) |
| #define __syscall4(n, a, b, c, d) \ |
| (__syscall)(n, __scc(a), __scc(b), __scc(c), __scc(d)) |
| #define __syscall5(n, a, b, c, d, e) \ |
| (__syscall)(n, __scc(a), __scc(b), __scc(c), __scc(d), __scc(e)) |
| #define __syscall6(n, a, b, c, d, e, f) \ |
| (__syscall)(n, __scc(a), __scc(b), __scc(c), __scc(d), __scc(e), __scc(f)) |
| #else |
| #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)) |
| #endif |
| #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 __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 __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__)) |
| |
| /* 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 |
| |
| #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__)) |
| |
| #endif |
