Index: fusl/src/internal/syscall.h |
diff --git a/fusl/src/internal/syscall.h b/fusl/src/internal/syscall.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..36c772df6390c5c9bfe959a3b5567065b39bc4dc |
--- /dev/null |
+++ b/fusl/src/internal/syscall.h |
@@ -0,0 +1,243 @@ |
+#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 socketcall __socketcall |
+#define socketcall_cp __socketcall_cp |
+ |
+#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__)) |
+ |
+#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 })) |
+#endif |
+ |
+/* 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 |
+ |
+/* 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 |
+ |
+#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 |