1 files changed, 122 insertions, 0 deletions
diff --git a/src/_syscall.h b/src/_syscall.h
new file mode 100644
index 00000000..f29c2a58
--- /dev/null
+++ b/src/_syscall.h
@@ -0,0 +1,122 @@
+#ifndef ___SYSCALL_H__
+#define ___SYSCALL_H__
+
+#include <errno.h>
+#ifndef ENOSYS
+#include "errno/ENOSYS.c"
+#endif
+
+#define SYSCALL(_name, _type, _err, _a1, _a2, _a3, _a4, _a5, _a6) \
+	static int _scno = -2; \
+	if (_scno == -2) { \
+		_scno = __syscall_lookup(_name); \
+	} \
+	long _ret = __syscall(_scno, _a1, _a2, _a3, _a4, _a5, _a6); \
+	if (_ret < 0) { \
+		errno = -_ret; \
+		return _err; \
+	} \
+	return (_type)_ret
+
+#define SYSCALL_NUMBER(_var, _name, _notfound) \
+	static long _var = -2; \
+	do { \
+		if (_var == -2) { \
+			(_var) = __syscall_lookup(_name); \
+		} \
+		if (_var == -1) { \
+			errno = ENOSYS; \
+			return (_notfound); } \
+	} while (0)
+
+long __syscall(long __number, ...);
+
+#if defined __linux__ && defined __x86_64__
+#define __sys_alarm 37
+#define __sys_brk 12
+#define __sys_chdir 80
+#define __sys_chmod 90
+#define __sys_chown 92
+#define __sys_chroot 161
+#define __sys_clock_adjtime 305
+#define __sys_clock_getres 229
+#define __sys_clock_gettime 228
+#define __sys_clock_nanosleep 230
+#define __sys_clock_settime 227
+#define __sys_close 3
+#define __sys_dup 32
+#define __sys_dup2 33
+#define __sys_execve 59
+#define __sys_execveat 322
+#define __sys_exit 60
+#define __sys_fchdir 81
+#define __sys_fchmod 91
+#define __sys_fchmodat 268
+#define __sys_fchown 93
+#define __sys_fchownat 260
+#define __sys_fcntl 72
+#define __sys_flock 73
+#define __sys_fork 57
+#define __sys_fstat 5
+#define __sys_fstatfs 138
+#define __sys_fsync 74
+#define __sys_ftruncate 77
+#define __sys_getcwd 79
+#define __sys_getegid 108
+#define __sys_geteuid 107
+#define __sys_getgid 104
+#define __sys_getgroups 115
+#define __sys_getpgid 121
+#define __sys_getpgrp 111
+#define __sys_getpid 39
+#define __sys_getppid 110
+#define __sys_getsid 124
+#define __sys_getuid 102
+#define __sys_kill 62
+#define __sys_link 86
+#define __sys_linkat 265
+#define __sys_lseek 8
+#define __sys_lstat 6
+#define __sys_mkdir 83
+#define __sys_mkdirat 258
+#define __sys_mknod 133
+#define __sys_mknodat 259
+#define __sys_mmap 9
+#define __sys_modify_ldt 154
+#define __sys_munmap 11
+#define __sys_open 2
+#define __sys_openat 257
+#define __sys_pause 34
+#define __sys_pipe 22
+#define __sys_read 0
+#define __sys_readlink 89
+#define __sys_readlinkat 267
+#define __sys_rename 82
+#define __sys_renameat 264
+#define __sys_rmdir 84
+#define __sys_setgid 106
+#define __sys_setpgid 109
+#define __sys_setregid 114
+#define __sys_setresgid 119
+#define __sys_setresuid 117
+#define __sys_setreuid 113
+#define __sys_setsid 112
+#define __sys_setuid 105
+#define __sys_stat 4
+#define __sys_statfs 137
+#define __sys_swapoff 168
+#define __sys_symlink 88
+#define __sys_symlinkat 266
+#define __sys_time 201
+#define __sys_umask 95
+#define __sys_uname 63
+#define __sys_unlink 87
+#define __sys_unlinkat 263
+#define __sys_wait4 61
+#define __sys_waitid 247
+#define __sys_write 1
+#endif
+
+#define __syscall_lookup(_name) (__sys_##_name)
+
+#endif