Refactored uio

Author: elicn

qiling/os/posix/syscall/uio.py

@@ -3,53 +3,40 @@
 # Cross Platform and Multi Architecture Advanced Binary Emulation Framework
 #
 
+from qiling import Qiling
 
-from qiling.const import *
-from qiling.os.linux.thread import *
-from qiling.const import *
-from qiling.os.posix.filestruct import *
-from qiling.os.filestruct import *
-from qiling.os.posix.const_mapping import *
-from qiling.exception import *
-
-def ql_syscall_writev(ql, writev_fd, writev_vec, writev_vien, *args, **kw):
+def ql_syscall_writev(ql: Qiling, fd: int, vec: int, vlen: int):
     regreturn = 0
     size_t_len = ql.pointersize
-    iov = ql.mem.read(writev_vec, writev_vien * size_t_len * 2)
-    ql.log.debug("writev() CONTENT:")
+    iov = ql.mem.read(vec, vlen * size_t_len * 2)
+    ql.log.debug('writev() CONTENT:')
 
-    for i in range(writev_vien):
+    for i in range(vlen):
         addr = ql.unpack(iov[i * size_t_len * 2 : i * size_t_len * 2 + size_t_len])
         l = ql.unpack(iov[i * size_t_len * 2 + size_t_len : i * size_t_len * 2 + size_t_len * 2])
         regreturn += l
+
         buf = ql.mem.read(addr, l)
         ql.log.debug(buf)
 
-        if hasattr(ql.os.fd[writev_fd], "write"):
-            ql.os.fd[writev_fd].write(buf)
+        if hasattr(ql.os.fd[fd], 'write'):
+            ql.os.fd[fd].write(buf)
 
     return regreturn
 
 
-def ql_syscall_readv(ql, fd, vec, vlen, *args, **kw):
+def ql_syscall_readv(ql: Qiling, fd: int, vec: int, vlen: int):
     regreturn = 0
     size_t_len = ql.pointersize
     iov = ql.mem.read(vec, vlen * size_t_len * 2)
-    ql.log.debug("readv() CONTENT:")
+    ql.log.debug('readv() CONTENT:')
 
     for i in range(vlen):
-        addr = ql.unpack(
-            iov[i * size_t_len * 2 : i * size_t_len * 2 + size_t_len]
-        )
-        l = ql.unpack(
-            iov[
-                i * size_t_len * 2
-                + size_t_len : i * size_t_len * 2
-                + size_t_len * 2
-            ]
-        )
+        addr = ql.unpack(iov[i * size_t_len * 2 : i * size_t_len * 2 + size_t_len])
+        l = ql.unpack(iov[i * size_t_len * 2 + size_t_len : i * size_t_len * 2 + size_t_len * 2])
         regreturn += l
-        if hasattr(ql.os.fd[fd], "read"):
+
+        if hasattr(ql.os.fd[fd], 'read'):
             data = ql.os.fd[fd].read(l)
             ql.log.debug(data)
             ql.mem.write(addr, data)