1 files changed, 116 insertions, 0 deletions
diff --git a/std/linux_x86_64.zig b/std/linux_x86_64.zig
new file mode 100644
index 0000000000..6d37a1a09e
--- /dev/null
+++ b/std/linux_x86_64.zig
@@ -0,0 +1,116 @@
+pub const SYS_read = 0;
+pub const SYS_write = 1;
+pub const SYS_open = 2;
+pub const SYS_close = 3;
+pub const SYS_creat = 85;
+pub const SYS_lseek = 8;
+pub const SYS_mmap = 9;
+pub const SYS_munmap = 11;
+pub const SYS_rt_sigprocmask = 14;
+pub const SYS_exit = 60;
+pub const SYS_kill = 62;
+pub const SYS_getgid = 104;
+pub const SYS_gettid = 186;
+pub const SYS_tkill = 200;
+pub const SYS_tgkill = 234;
+pub const SYS_openat = 257;
+pub const SYS_getrandom = 318;
+
+pub const O_CREAT =        0o100;
+pub const O_EXCL =         0o200;
+pub const O_NOCTTY =       0o400;
+pub const O_TRUNC =       0o1000;
+pub const O_APPEND =      0o2000;
+pub const O_NONBLOCK =    0o4000;
+pub const O_DSYNC =      0o10000;
+pub const O_SYNC =     0o4010000;
+pub const O_RSYNC =    0o4010000;
+pub const O_DIRECTORY = 0o200000;
+pub const O_NOFOLLOW =  0o400000;
+pub const O_CLOEXEC =  0o2000000;
+
+pub const O_ASYNC      = 0o20000;
+pub const O_DIRECT     = 0o40000;
+pub const O_LARGEFILE       =  0;
+pub const O_NOATIME  = 0o1000000;
+pub const O_PATH    = 0o10000000;
+pub const O_TMPFILE = 0o20200000;
+pub const O_NDELAY  = O_NONBLOCK;
+
+pub const F_DUPFD = 0;
+pub const F_GETFD = 1;
+pub const F_SETFD = 2;
+pub const F_GETFL = 3;
+pub const F_SETFL = 4;
+
+pub const F_SETOWN = 8;
+pub const F_GETOWN = 9;
+pub const F_SETSIG = 10;
+pub const F_GETSIG = 11;
+
+pub const F_GETLK = 5;
+pub const F_SETLK = 6;
+pub const F_SETLKW = 7;
+
+pub const F_SETOWN_EX = 15;
+pub const F_GETOWN_EX = 16;
+
+pub const F_GETOWNER_UIDS = 17;
+
+pub fn syscall0(number: isize) -> isize {
+    asm volatile ("syscall"
+        : [ret] "={rax}" (-> isize)
+        : [number] "{rax}" (number)
+        : "rcx", "r11")
+}
+
+pub fn syscall1(number: isize, arg1: isize) -> isize {
+    asm volatile ("syscall"
+        : [ret] "={rax}" (-> isize)
+        : [number] "{rax}" (number),
+            [arg1] "{rdi}" (arg1)
+        : "rcx", "r11")
+}
+
+pub fn syscall2(number: isize, arg1: isize, arg2: isize) -> isize {
+    asm volatile ("syscall"
+        : [ret] "={rax}" (-> isize)
+        : [number] "{rax}" (number),
+            [arg1] "{rdi}" (arg1),
+            [arg2] "{rsi}" (arg2)
+        : "rcx", "r11")
+}
+
+pub fn syscall3(number: isize, arg1: isize, arg2: isize, arg3: isize) -> isize {
+    asm volatile ("syscall"
+        : [ret] "={rax}" (-> isize)
+        : [number] "{rax}" (number),
+            [arg1] "{rdi}" (arg1),
+            [arg2] "{rsi}" (arg2),
+            [arg3] "{rdx}" (arg3)
+        : "rcx", "r11")
+}
+
+pub fn syscall4(number: isize, arg1: isize, arg2: isize, arg3: isize, arg4: isize) -> isize {
+    asm volatile ("syscall"
+        : [ret] "={rax}" (-> isize)
+        : [number] "{rax}" (number),
+            [arg1] "{rdi}" (arg1),
+            [arg2] "{rsi}" (arg2),
+            [arg3] "{rdx}" (arg3),
+            [arg4] "{r10}" (arg4)
+        : "rcx", "r11")
+}
+
+pub fn syscall6(number: isize, arg1: isize, arg2: isize, arg3: isize, arg4: isize, arg5: isize, arg6: isize) -> isize {
+    asm volatile ("syscall"
+        : [ret] "={rax}" (-> isize)
+        : [number] "{rax}" (number),
+            [arg1] "{rdi}" (arg1),
+            [arg2] "{rsi}" (arg2),
+            [arg3] "{rdx}" (arg3),
+            [arg4] "{r10}" (arg4),
+            [arg5] "{r8}" (arg5),
+            [arg6] "{r9}" (arg6)
+        : "rcx", "r11")
+}