69 lines
1.1 KiB
ArmAsm
69 lines
1.1 KiB
ArmAsm
; Returns (in rax) the server's file descriptor
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make_server:
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mov rax, SYS_UNLINK
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mov rdi, server_path
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syscall
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mov rax, SYS_SOCKET
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mov rdi, AF_UNIX
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mov rsi, SOCK_STREAM
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mov rdx, 0
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syscall
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push r15
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mov r15, rax
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mov rdi, r15
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call nonblocking
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mov rdi, r15
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call make_sockaddr
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mov rax, SYS_BIND
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mov rdi, r15
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mov rsi, sockaddr
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mov rdx, sockaddr_size
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syscall
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mov rax, SYS_LISTEN
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mov rdi, r15
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mov rsi, 100
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syscall
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mov rax, r15
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pop r15
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ret
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; rdi - fd
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nonblocking:
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push r15
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mov r15, rdi
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mov rax, SYS_FCNTL
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mov rdi, r15
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mov rsi, F_GETFL
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syscall
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mov r10, rax
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or r10, O_NONBLOCK
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mov rax, SYS_FCNTL
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mov rdi, r15
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mov rsi, F_SETFL
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mov rdx, r10
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syscall
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pop r15
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ret
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make_sockaddr:
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mov word [sockaddr], AF_UNIX
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mov r10, 0
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make_sockaddr__copy_server_path:
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cmp r10, server_path_len
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jge return
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mov r8b, [server_path + r10]
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mov [sockaddr + 2 + r10], r8b
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add r10, 1
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jmp make_sockaddr__copy_server_path
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