mirror of
https://github.com/fluencelabs/wasmer
synced 2024-12-13 06:15:33 +00:00
Resolve REUSEADDR issue
This commit is contained in:
Steve Akinyemi
parent
cf64cc8e04
commit
ad426fb5e3
@ -44,6 +44,11 @@ use libc::{
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utsname,
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write,
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writev,
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setsockopt,
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sa_family_t,
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in_port_t,
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in_addr_t,
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c_char,
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};
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/// sys_exit
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@ -118,6 +123,50 @@ pub extern "C" fn ___syscall6(
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unsafe { close(fd) }
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}
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// chdir
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pub extern "C" fn ___syscall12(
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_which: c_int,
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mut varargs: VarArgs,
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instance: &mut Instance,
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) -> c_int {
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debug!("emscripten::___syscall12");
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let path_addr: i32 = varargs.get(instance);
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let path = unsafe {
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let path_ptr = instance.memory_offset_addr(0, path_addr as usize) as *const i8;
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let path = std::ffi::CStr::from_ptr(path_ptr).to_str().unwrap();
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debug!("path: {}", path);
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path
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};
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0
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}
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// sys_getpid
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pub extern "C" fn ___syscall20() -> pid_t {
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debug!("emscripten::___syscall20");
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unsafe { getpid() }
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}
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// sys_mkdir
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pub extern "C" fn ___syscall39(
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_which: c_int,
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mut varargs: VarArgs,
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instance: &mut Instance,
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) -> c_int {
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debug!("emscripten::___syscall39");
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let pathname: u32 = varargs.get(instance);
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let mode: u32 = varargs.get(instance);
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let pathname_addr = instance.memory_offset_addr(0, pathname as usize) as *const i8;
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unsafe { mkdir(pathname_addr, mode as _) };
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0
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}
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// sys_getppid
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pub extern "C" fn ___syscall64() -> pid_t {
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debug!("emscripten::___syscall64");
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unsafe { getpid() }
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}
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/// sys_ioctl
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pub extern "C" fn ___syscall54(
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_which: c_int,
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@ -132,6 +181,199 @@ pub extern "C" fn ___syscall54(
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0
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}
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use std::mem::size_of;
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// sys_socketcall
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pub extern "C" fn ___syscall102(
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_which: c_int,
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mut varargs: VarArgs,
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instance: &mut Instance,
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) -> c_int {
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debug!("emscripten::___syscall102");
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let call: u32 = varargs.get(instance);
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let mut socket_varargs: VarArgs = varargs.get(instance);
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// #[repr(C)]
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// pub struct GuestSockaddrIn {
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// pub sin_family: sa_family_t, // u16
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// pub sin_port: in_port_t, // u16
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// pub sin_addr: GuestInAddr, // u32
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// pub sin_zero: [u8; 8], // u8 * 8
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// // 2 + 2 + 4 + 8 = 16
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// }
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// #[repr(C)]
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// pub struct GuestInAddr {
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// pub s_addr: in_addr_t, // u32
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// }
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// debug!("GuestSockaddrIn = {}", size_of::<GuestSockaddrIn>());
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match call {
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1 => {
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debug!("socket: {}", "socket");
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// socket (domain: c_int, ty: c_int, protocol: c_int) -> c_int
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let domain: i32 = socket_varargs.get(instance);
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let ty: i32 = socket_varargs.get(instance);
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let protocol: i32 = socket_varargs.get(instance);
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let socket = unsafe { socket(domain, ty, protocol) };
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debug!("=> domain: {} (AF_INET/2), type: {} (SOCK_STREAM/1), protocol: {} = fd: {}", domain, ty, protocol, socket);
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socket
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}
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2 => {
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debug!("socket: {}", "bind");
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// bind (socket: c_int, address: *const sockaddr, address_len: socklen_t) -> c_int
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// TODO: Emscripten has a different signature.
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let socket: i32 = socket_varargs.get(instance);
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let address: u32 = socket_varargs.get(instance);
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let address_len: u32 = socket_varargs.get(instance);
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let address = instance.memory_offset_addr(0, address as usize) as *mut sockaddr;
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let status = unsafe { bind(socket, address, address_len) };
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debug!("=> socketfd: {}, address: {:?}, address_len: {} = status: {}", socket, address, address_len, status);
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status
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}
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3 => {
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debug!("socket: {}", "connect");
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// connect (socket: c_int, address: *const sockaddr, len: socklen_t) -> c_int
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// TODO: Emscripten has a different signature.
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let socket: i32 = socket_varargs.get(instance);
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let address: u32 = socket_varargs.get(instance);
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let address_len: u32 = socket_varargs.get(instance);
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let address = instance.memory_offset_addr(0, address as usize) as *mut sockaddr;
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unsafe { connect(socket, address, address_len) }
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}
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4 => {
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debug!("socket: {}", "listen");
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// listen (socket: c_int, backlog: c_int) -> c_int
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let socket: i32 = socket_varargs.get(instance);
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let backlog: i32 = socket_varargs.get(instance);
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let status = unsafe { listen(socket, backlog) };
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debug!("=> socketfd: {}, backlog: {}, = status: {}", socket, backlog, status);
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status
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}
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5 => {
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debug!("socket: {}", "accept");
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// accept (socket: c_int, address: *mut sockaddr, address_len: *mut socklen_t) -> c_int
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let socket: i32 = socket_varargs.get(instance);
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let address: u32 = socket_varargs.get(instance);
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let address_len: u32 = socket_varargs.get(instance);
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let address = instance.memory_offset_addr(0, address as usize) as *mut sockaddr;
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let address_len_addr =
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instance.memory_offset_addr(0, address_len as usize) as *mut socklen_t;
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unsafe { accept(socket, address, address_len_addr) }
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}
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6 => {
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debug!("socket: {}", "getsockname");
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// getsockname (socket: c_int, address: *mut sockaddr, address_len: *mut socklen_t) -> c_int
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let socket: i32 = socket_varargs.get(instance);
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let address: u32 = socket_varargs.get(instance);
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let address_len: u32 = socket_varargs.get(instance);
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let address = instance.memory_offset_addr(0, address as usize) as *mut sockaddr;
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let address_len_addr =
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instance.memory_offset_addr(0, address_len as usize) as *mut socklen_t;
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unsafe { getsockname(socket, address, address_len_addr) }
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}
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7 => {
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debug!("socket: {}", "getpeername");
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// getpeername (socket: c_int, address: *mut sockaddr, address_len: *mut socklen_t) -> c_int
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let socket: i32 = socket_varargs.get(instance);
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let address: u32 = socket_varargs.get(instance);
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let address_len: u32 = socket_varargs.get(instance);
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let address = instance.memory_offset_addr(0, address as usize) as *mut sockaddr;
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let address_len_addr =
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instance.memory_offset_addr(0, address_len as usize) as *mut socklen_t;
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unsafe { getpeername(socket, address, address_len_addr) }
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}
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11 => {
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debug!("socket: {}", "sendto");
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// sendto (socket: c_int, buf: *const c_void, len: size_t, flags: c_int, addr: *const sockaddr, addrlen: socklen_t) -> ssize_t
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let socket: i32 = socket_varargs.get(instance);
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let buf: u32 = socket_varargs.get(instance);
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let flags: usize = socket_varargs.get(instance);
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let len: i32 = socket_varargs.get(instance);
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let address: u32 = socket_varargs.get(instance);
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let address_len: u32 = socket_varargs.get(instance);
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let buf_addr = instance.memory_offset_addr(0, buf as usize) as *mut c_void;
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let address = instance.memory_offset_addr(0, address as usize) as *mut sockaddr;
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unsafe { sendto(socket, buf_addr, flags, len, address, address_len) as i32 }
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}
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12 => {
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debug!("socket: {}", "recvfrom");
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// recvfrom (socket: c_int, buf: *const c_void, len: size_t, flags: c_int, addr: *const sockaddr, addrlen: socklen_t) -> ssize_t
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let socket: i32 = socket_varargs.get(instance);
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let buf: u32 = socket_varargs.get(instance);
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let flags: usize = socket_varargs.get(instance);
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let len: i32 = socket_varargs.get(instance);
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let address: u32 = socket_varargs.get(instance);
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let address_len: u32 = socket_varargs.get(instance);
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let buf_addr = instance.memory_offset_addr(0, buf as usize) as *mut c_void;
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let address = instance.memory_offset_addr(0, address as usize) as *mut sockaddr;
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let address_len_addr =
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instance.memory_offset_addr(0, address_len as usize) as *mut socklen_t;
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unsafe { recvfrom(socket, buf_addr, flags, len, address, address_len_addr) as i32 }
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}
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14 => {
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debug!("socket: {}", "setsockopt");
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// NOTE: Emscripten seems to be passing the wrong values to this syscall
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// level: Em passes 1 as SOL_SOCKET; SOL_SOCKET is 0xffff in BSD
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// name: Em passes SO_ACCEPTCONN, but Nginx complains about REUSEADDR
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// https://github.com/openbsd/src/blob/master/sys/sys/socket.h#L156
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// setsockopt (socket: c_int, level: c_int, name: c_int, value: *const c_void, option_len: socklen_t) -> c_int
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let socket: i32 = socket_varargs.get(instance);
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// SOL_SOCKET = 0xffff in BSD
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let level: i32 = 0xffff; let _: u32 = socket_varargs.get(instance);
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// SO_ACCEPTCONN = 0x4
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let name: i32 = 0x4; let _: u32 = socket_varargs.get(instance);
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let value: u32 = socket_varargs.get(instance);
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let option_len: u32 = socket_varargs.get(instance);
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let value_addr = instance.memory_offset_addr(0, value as usize) as *mut c_void; // Endian problem
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let ret = unsafe { setsockopt(socket, level, name, value_addr, option_len) };
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debug!("option_value = {:?}", unsafe { *(value_addr as *const u32) });
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debug!("=> socketfd: {}, level: {}, name: {}, value_addr: {:?}, option_len: {} = status: {}", socket, level, name, value_addr, option_len, ret);
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ret
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}
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15 => {
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debug!("socket: {}", "getsockopt");
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// getsockopt (sockfd: c_int, level: c_int, optname: c_int, optval: *mut c_void, optlen: *mut socklen_t) -> c_int
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let socket: i32 = socket_varargs.get(instance);
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let level: i32 = socket_varargs.get(instance);
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let name: i32 = socket_varargs.get(instance);
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let value: u32 = socket_varargs.get(instance);
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let option_len: u32 = socket_varargs.get(instance);
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let value_addr = instance.memory_offset_addr(0, value as usize) as *mut c_void;
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let option_len_addr =
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instance.memory_offset_addr(0, option_len as usize) as *mut socklen_t;
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unsafe { getsockopt(socket, level, name, value_addr, option_len_addr) }
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}
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16 => {
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debug!("socket: {}", "sendmsg");
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// sendmsg (fd: c_int, msg: *const msghdr, flags: c_int) -> ssize_t
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let socket: i32 = socket_varargs.get(instance);
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let msg: u32 = socket_varargs.get(instance);
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let flags: i32 = socket_varargs.get(instance);
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let msg_addr = instance.memory_offset_addr(0, msg as usize) as *const msghdr;
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unsafe { sendmsg(socket, msg_addr, flags) as i32 }
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}
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17 => {
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debug!("socket: {}", "recvmsg");
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// recvmsg (fd: c_int, msg: *mut msghdr, flags: c_int) -> ssize_t
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let socket: i32 = socket_varargs.get(instance);
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let msg: u32 = socket_varargs.get(instance);
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let flags: i32 = socket_varargs.get(instance);
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let msg_addr = instance.memory_offset_addr(0, msg as usize) as *mut msghdr;
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unsafe { recvmsg(socket, msg_addr, flags) as i32 }
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}
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_ => {
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// others
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-1
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}
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}
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}
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/// sys_uname
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// NOTE: Wondering if we should return custom utsname, like Emscripten.
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pub extern "C" fn ___syscall122(
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@ -146,6 +388,23 @@ pub extern "C" fn ___syscall122(
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unsafe { uname(buf_addr) }
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}
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// mmap2
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pub extern "C" fn ___syscall192(
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_which: c_int,
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mut varargs: VarArgs,
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instance: &mut Instance,
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) -> c_int {
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debug!("emscripten::___syscall192");
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let addr: i32 = varargs.get(instance);
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let len: i32 = varargs.get(instance);
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let prot: i32 = varargs.get(instance);
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let flags: i32 = varargs.get(instance);
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let fd: i32 = varargs.get(instance);
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let off: i32 = varargs.get(instance);
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debug!("{} {} {} {} {} {}", addr, len, prot, flags, fd, off);
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0
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}
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/// sys_lseek
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pub extern "C" fn ___syscall140(
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_which: c_int,
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@ -190,209 +449,48 @@ pub extern "C" fn ___syscall146(
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unsafe { writev(fd, iov_addr, iovcnt) }
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}
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// /// sys_fcntl64
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// pub extern "C" fn ___syscall221(_which: c_int, mut varargs: VarArgs, instance: &mut Instance) -> c_int {
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// debug!("emscripten::___syscall221");
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// let fd: i32 = varargs.get(instance);
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// let cmd: i32 = varargs.get(instance);
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// debug!("fd: {}, cmd: {}", fd, cmd);
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// unsafe { fcntl(fd, cmd) }
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// }
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// sys_socketcall
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pub extern "C" fn ___syscall102(
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// sys_pread
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pub extern "C" fn ___syscall180(
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_which: c_int,
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mut varargs: VarArgs,
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instance: &mut Instance,
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) -> c_int {
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debug!("emscripten::___syscall102");
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let call: u32 = varargs.get(instance);
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let mut socket_varargs: VarArgs = varargs.get(instance);
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match call {
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1 => {
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// socket (domain: c_int, ty: c_int, protocol: c_int) -> c_int
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let domain: i32 = socket_varargs.get(instance);
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let ty: i32 = socket_varargs.get(instance);
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let protocol: i32 = socket_varargs.get(instance);
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let socket = unsafe { socket(domain, ty, protocol) };
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debug!("socket: {}", socket);
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socket
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}
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2 => {
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// bind (socket: c_int, address: *const sockaddr, address_len: socklen_t) -> c_int
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// TODO: Emscripten has a different signature.
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let socket: i32 = socket_varargs.get(instance);
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let address: u32 = socket_varargs.get(instance);
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let address_len: u32 = socket_varargs.get(instance);
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let address = instance.memory_offset_addr(0, address as usize) as *mut sockaddr;
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unsafe { bind(socket, address, address_len) }
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}
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3 => {
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// connect (socket: c_int, address: *const sockaddr, len: socklen_t) -> c_int
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// TODO: Emscripten has a different signature.
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let socket: i32 = socket_varargs.get(instance);
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let address: u32 = socket_varargs.get(instance);
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let address_len: u32 = socket_varargs.get(instance);
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let address = instance.memory_offset_addr(0, address as usize) as *mut sockaddr;
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unsafe { connect(socket, address, address_len) }
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}
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4 => {
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// listen (socket: c_int, backlog: c_int) -> c_int
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let socket: i32 = socket_varargs.get(instance);
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let backlog: i32 = socket_varargs.get(instance);
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unsafe { listen(socket, backlog) }
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}
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5 => {
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// accept (socket: c_int, address: *mut sockaddr, address_len: *mut socklen_t) -> c_int
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let socket: i32 = socket_varargs.get(instance);
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let address: u32 = socket_varargs.get(instance);
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let address_len: u32 = socket_varargs.get(instance);
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let address = instance.memory_offset_addr(0, address as usize) as *mut sockaddr;
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let address_len_addr =
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instance.memory_offset_addr(0, address_len as usize) as *mut socklen_t;
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unsafe { accept(socket, address, address_len_addr) }
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}
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6 => {
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// getsockname (socket: c_int, address: *mut sockaddr, address_len: *mut socklen_t) -> c_int
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let socket: i32 = socket_varargs.get(instance);
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let address: u32 = socket_varargs.get(instance);
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let address_len: u32 = socket_varargs.get(instance);
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let address = instance.memory_offset_addr(0, address as usize) as *mut sockaddr;
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let address_len_addr =
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instance.memory_offset_addr(0, address_len as usize) as *mut socklen_t;
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unsafe { getsockname(socket, address, address_len_addr) }
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}
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7 => {
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// getpeername (socket: c_int, address: *mut sockaddr, address_len: *mut socklen_t) -> c_int
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let socket: i32 = socket_varargs.get(instance);
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let address: u32 = socket_varargs.get(instance);
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let address_len: u32 = socket_varargs.get(instance);
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let address = instance.memory_offset_addr(0, address as usize) as *mut sockaddr;
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let address_len_addr =
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instance.memory_offset_addr(0, address_len as usize) as *mut socklen_t;
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unsafe { getpeername(socket, address, address_len_addr) }
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}
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11 => {
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// sendto (socket: c_int, buf: *const c_void, len: size_t, flags: c_int, addr: *const sockaddr, addrlen: socklen_t) -> ssize_t
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let socket: i32 = socket_varargs.get(instance);
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let buf: u32 = socket_varargs.get(instance);
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let flags: usize = socket_varargs.get(instance);
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let len: i32 = socket_varargs.get(instance);
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let address: u32 = socket_varargs.get(instance);
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let address_len: u32 = socket_varargs.get(instance);
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let buf_addr = instance.memory_offset_addr(0, buf as usize) as *mut c_void;
|
||||
let address = instance.memory_offset_addr(0, address as usize) as *mut sockaddr;
|
||||
unsafe { sendto(socket, buf_addr, flags, len, address, address_len) as i32 }
|
||||
}
|
||||
12 => {
|
||||
// recvfrom (socket: c_int, buf: *const c_void, len: size_t, flags: c_int, addr: *const sockaddr, addrlen: socklen_t) -> ssize_t
|
||||
let socket: i32 = socket_varargs.get(instance);
|
||||
let buf: u32 = socket_varargs.get(instance);
|
||||
let flags: usize = socket_varargs.get(instance);
|
||||
let len: i32 = socket_varargs.get(instance);
|
||||
let address: u32 = socket_varargs.get(instance);
|
||||
let address_len: u32 = socket_varargs.get(instance);
|
||||
let buf_addr = instance.memory_offset_addr(0, buf as usize) as *mut c_void;
|
||||
let address = instance.memory_offset_addr(0, address as usize) as *mut sockaddr;
|
||||
let address_len_addr =
|
||||
instance.memory_offset_addr(0, address_len as usize) as *mut socklen_t;
|
||||
unsafe { recvfrom(socket, buf_addr, flags, len, address, address_len_addr) as i32 }
|
||||
}
|
||||
14 => {
|
||||
// setsockopt (socket: c_int, level: c_int, name: c_int, value: *const c_void, option_len: socklen_t) -> c_int
|
||||
// let socket: i32 = socket_varargs.get(instance);
|
||||
// debug!("socket: {}", socket);
|
||||
// let level: i32 = socket_varargs.get(instance);
|
||||
// debug!("level: {}", level);
|
||||
// let name: i32 = socket_varargs.get(instance);
|
||||
// debug!("name: {}", name);
|
||||
// let value: u32 = socket_varargs.get(instance);
|
||||
// debug!("value: {:#x}", value);
|
||||
// let option_len: u32 = socket_varargs.get(instance);
|
||||
// debug!("option_len: {}", option_len);
|
||||
// let value_addr = instance.memory_offset_addr(0, value as usize) as *const c_void;
|
||||
|
||||
// let ret = unsafe { setsockopt(socket, level, name, value_addr, option_len) };
|
||||
// debug!("ret: {}", ret);
|
||||
// if ret != 0 {
|
||||
// debug!("errno: {}", nix::errno::errno());
|
||||
// }
|
||||
// ret
|
||||
0
|
||||
}
|
||||
15 => {
|
||||
// getsockopt (sockfd: c_int, level: c_int, optname: c_int, optval: *mut c_void, optlen: *mut socklen_t) -> c_int
|
||||
let socket: i32 = socket_varargs.get(instance);
|
||||
let level: i32 = socket_varargs.get(instance);
|
||||
let name: i32 = socket_varargs.get(instance);
|
||||
let value: u32 = socket_varargs.get(instance);
|
||||
let option_len: u32 = socket_varargs.get(instance);
|
||||
let value_addr = instance.memory_offset_addr(0, value as usize) as *mut c_void;
|
||||
let option_len_addr =
|
||||
instance.memory_offset_addr(0, option_len as usize) as *mut socklen_t;
|
||||
unsafe { getsockopt(socket, level, name, value_addr, option_len_addr) }
|
||||
}
|
||||
16 => {
|
||||
// sendmsg (fd: c_int, msg: *const msghdr, flags: c_int) -> ssize_t
|
||||
let socket: i32 = socket_varargs.get(instance);
|
||||
let msg: u32 = socket_varargs.get(instance);
|
||||
let flags: i32 = socket_varargs.get(instance);
|
||||
let msg_addr = instance.memory_offset_addr(0, msg as usize) as *const msghdr;
|
||||
unsafe { sendmsg(socket, msg_addr, flags) as i32 }
|
||||
}
|
||||
17 => {
|
||||
// recvmsg (fd: c_int, msg: *mut msghdr, flags: c_int) -> ssize_t
|
||||
let socket: i32 = socket_varargs.get(instance);
|
||||
let msg: u32 = socket_varargs.get(instance);
|
||||
let flags: i32 = socket_varargs.get(instance);
|
||||
let msg_addr = instance.memory_offset_addr(0, msg as usize) as *mut msghdr;
|
||||
unsafe { recvmsg(socket, msg_addr, flags) as i32 }
|
||||
}
|
||||
_ => {
|
||||
// others
|
||||
-1
|
||||
}
|
||||
debug!("emscripten::___syscall180");
|
||||
let fd: i32 = varargs.get(instance);
|
||||
let buf: u32 = varargs.get(instance);
|
||||
let count: u32 = varargs.get(instance);
|
||||
{
|
||||
let zero: u32 = varargs.get(instance);
|
||||
assert_eq!(zero, 0);
|
||||
}
|
||||
let offset: i64 = varargs.get(instance);
|
||||
|
||||
let buf_ptr = instance.memory_offset_addr(0, buf as _) as _;
|
||||
|
||||
unsafe { pread(fd, buf_ptr, count as _, offset) as _ }
|
||||
}
|
||||
|
||||
// sys_getpid
|
||||
pub extern "C" fn ___syscall20() -> pid_t {
|
||||
debug!("emscripten::___syscall20");
|
||||
unsafe { getpid() }
|
||||
}
|
||||
|
||||
// sys_getppid
|
||||
pub extern "C" fn ___syscall64() -> pid_t {
|
||||
debug!("emscripten::___syscall64");
|
||||
unsafe { getpid() }
|
||||
}
|
||||
|
||||
// sys_getgid
|
||||
pub extern "C" fn ___syscall201() -> gid_t {
|
||||
debug!("emscripten::___syscall201");
|
||||
unsafe {
|
||||
// Maybe fix: Emscripten returns 0 always
|
||||
getgid()
|
||||
}
|
||||
}
|
||||
|
||||
// sys_getgid32
|
||||
pub extern "C" fn ___syscall202() -> gid_t {
|
||||
debug!("emscripten::___syscall202");
|
||||
unsafe {
|
||||
// Maybe fix: Emscripten returns 0 always
|
||||
getgid()
|
||||
}
|
||||
}
|
||||
|
||||
// sys_prlimit64
|
||||
pub extern "C" fn ___syscall340(
|
||||
// sys_stat64
|
||||
pub extern "C" fn ___syscall195(
|
||||
_which: c_int,
|
||||
mut _varargs: VarArgs,
|
||||
_instance: &mut Instance,
|
||||
mut varargs: VarArgs,
|
||||
instance: &mut Instance,
|
||||
) -> c_int {
|
||||
debug!("emscripten::___syscall340");
|
||||
// NOTE: Doesn't really matter. Wasm modules cannot exceed WASM_PAGE_SIZE anyway.
|
||||
debug!("emscripten::___syscall195");
|
||||
let pathname: u32 = varargs.get(instance);
|
||||
let buf: u32 = varargs.get(instance);
|
||||
|
||||
let pathname_addr = instance.memory_offset_addr(0, pathname as usize) as *const i8;
|
||||
|
||||
unsafe {
|
||||
let mut _stat: stat = std::mem::zeroed();
|
||||
let ret = stat(pathname_addr, &mut _stat);
|
||||
debug!("ret: {}", ret);
|
||||
if ret != 0 {
|
||||
return ret;
|
||||
}
|
||||
copy_stat_into_wasm(instance, buf, &_stat);
|
||||
}
|
||||
0
|
||||
}
|
||||
|
||||
@ -419,66 +517,34 @@ pub extern "C" fn ___syscall197(
|
||||
0
|
||||
}
|
||||
|
||||
// sys_pread
|
||||
pub extern "C" fn ___syscall180(
|
||||
_which: c_int,
|
||||
mut varargs: VarArgs,
|
||||
instance: &mut Instance,
|
||||
) -> c_int {
|
||||
debug!("emscripten::___syscall180");
|
||||
let fd: i32 = varargs.get(instance);
|
||||
let buf: u32 = varargs.get(instance);
|
||||
let count: u32 = varargs.get(instance);
|
||||
{
|
||||
let zero: u32 = varargs.get(instance);
|
||||
assert_eq!(zero, 0);
|
||||
}
|
||||
let offset: i64 = varargs.get(instance);
|
||||
|
||||
let buf_ptr = instance.memory_offset_addr(0, buf as _) as _;
|
||||
|
||||
unsafe { pread(fd, buf_ptr, count as _, offset) as _ }
|
||||
}
|
||||
|
||||
// sys_mkdir
|
||||
pub extern "C" fn ___syscall39(
|
||||
_which: c_int,
|
||||
mut varargs: VarArgs,
|
||||
instance: &mut Instance,
|
||||
) -> c_int {
|
||||
debug!("emscripten::___syscall39");
|
||||
let pathname: u32 = varargs.get(instance);
|
||||
let mode: u32 = varargs.get(instance);
|
||||
let pathname_addr = instance.memory_offset_addr(0, pathname as usize) as *const i8;
|
||||
|
||||
unsafe { mkdir(pathname_addr, mode as _) };
|
||||
0
|
||||
}
|
||||
|
||||
// sys_stat64
|
||||
pub extern "C" fn ___syscall195(
|
||||
_which: c_int,
|
||||
mut varargs: VarArgs,
|
||||
instance: &mut Instance,
|
||||
) -> c_int {
|
||||
debug!("emscripten::___syscall195");
|
||||
let pathname: u32 = varargs.get(instance);
|
||||
let buf: u32 = varargs.get(instance);
|
||||
|
||||
let pathname_addr = instance.memory_offset_addr(0, pathname as usize) as *const i8;
|
||||
// /// sys_fcntl64
|
||||
// pub extern "C" fn ___syscall221(_which: c_int, mut varargs: VarArgs, instance: &mut Instance) -> c_int {
|
||||
// debug!("emscripten::___syscall221");
|
||||
// let fd: i32 = varargs.get(instance);
|
||||
// let cmd: i32 = varargs.get(instance);
|
||||
// debug!("fd: {}, cmd: {}", fd, cmd);
|
||||
// unsafe { fcntl(fd, cmd) }
|
||||
// }
|
||||
|
||||
// sys_getgid
|
||||
pub extern "C" fn ___syscall201() -> gid_t {
|
||||
debug!("emscripten::___syscall201");
|
||||
unsafe {
|
||||
let mut _stat: stat = std::mem::zeroed();
|
||||
let ret = stat(pathname_addr, &mut _stat);
|
||||
debug!("ret: {}", ret);
|
||||
if ret != 0 {
|
||||
return ret;
|
||||
}
|
||||
copy_stat_into_wasm(instance, buf, &_stat);
|
||||
// Maybe fix: Emscripten returns 0 always
|
||||
getgid()
|
||||
}
|
||||
0
|
||||
}
|
||||
|
||||
// sys_getgid32
|
||||
pub extern "C" fn ___syscall202() -> gid_t {
|
||||
debug!("emscripten::___syscall202");
|
||||
unsafe {
|
||||
// Maybe fix: Emscripten returns 0 always
|
||||
getgid()
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
// sys_chown
|
||||
pub extern "C" fn ___syscall212(
|
||||
_which: c_int,
|
||||
@ -510,36 +576,14 @@ pub extern "C" fn ___syscall221(
|
||||
}
|
||||
}
|
||||
|
||||
// chdir
|
||||
pub extern "C" fn ___syscall12(
|
||||
// sys_prlimit64
|
||||
pub extern "C" fn ___syscall340(
|
||||
_which: c_int,
|
||||
mut varargs: VarArgs,
|
||||
instance: &mut Instance,
|
||||
mut _varargs: VarArgs,
|
||||
_instance: &mut Instance,
|
||||
) -> c_int {
|
||||
debug!("emscripten::___syscall12");
|
||||
let path_addr: i32 = varargs.get(instance);
|
||||
let path = unsafe {
|
||||
let path_ptr = instance.memory_offset_addr(0, path_addr as usize) as *const i8;
|
||||
let path = std::ffi::CStr::from_ptr(path_ptr).to_str().unwrap();
|
||||
debug!("path: {}", path);
|
||||
path
|
||||
};
|
||||
debug!("emscripten::___syscall340");
|
||||
// NOTE: Doesn't really matter. Wasm modules cannot exceed WASM_PAGE_SIZE anyway.
|
||||
0
|
||||
}
|
||||
|
||||
// mmap2
|
||||
pub extern "C" fn ___syscall192(
|
||||
_which: c_int,
|
||||
mut varargs: VarArgs,
|
||||
instance: &mut Instance,
|
||||
) -> c_int {
|
||||
debug!("emscripten::___syscall192");
|
||||
let addr: i32 = varargs.get(instance);
|
||||
let len: i32 = varargs.get(instance);
|
||||
let prot: i32 = varargs.get(instance);
|
||||
let flags: i32 = varargs.get(instance);
|
||||
let fd: i32 = varargs.get(instance);
|
||||
let off: i32 = varargs.get(instance);
|
||||
debug!("{} {} {} {} {} {}", addr, len, prot, flags, fd, off);
|
||||
0
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user