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@@ -0,0 +1,48 @@
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+
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+
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+macro _syscall code,[arg] {
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+ common
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+ _reg equ r9
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+ _reg equ r8
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+ _reg equ rcx
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+ _reg equ rdx
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+ _reg equ rsi
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+ _reg equ rdi
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+
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+ forward
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+ mov _reg, arg
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+ restore _reg
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+ common
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+ mov rax, code
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+ syscall
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+}
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+
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+macro sys_read fd,buf,count {
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+ _syscall 0, fd, buf, count
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+}
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+
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+macro sys_write fd,buf,count {
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+ _syscall 1, fd, buf, count
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+}
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+
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+O_RDONLY = 0o
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+O_WRONLY = 1o
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+O_RDWR = 2o
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+O_CREAT = 100o
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+O_EXCL = 200o
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+O_NOCTTY = 400o
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+O_APPEND = 2000o
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+O_NONBLOCK = 4000o
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+
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+macro sys_open filename,flags,mode {
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+ _syscall 2, filename, flags, mode
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+}
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+
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+macro sys_close fd {
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+ _syscall 3, fd
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+}
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+
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+macro sys_exit code {
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+ _syscall 60, code
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+}
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+
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