MapMemory now accepts MappingSource

src/lib.rs

@@ -28,7 +28,11 @@ pub mod io {
     };
 }
 
-/// Type alias for a raw file descriptor
+pub mod mem {
+    //! Memory-related data structures
+
+    pub use abi::mem::MappingSource;
+}
 
 #[no_mangle]
 unsafe extern "C" fn bcmp(p0: *const c_void, p1: *const c_void, len: usize) -> i32 {

src/sys/mod.rs

@@ -8,6 +8,7 @@ use abi::{
         DeviceRequest, DirectoryEntry, FileAttr, FileMode, MountOptions, OpenOptions, PollControl,
         RawFd, SeekFrom, UnmountOptions,
     },
+    mem::MappingSource,
     process::{
         ExitCode, MutexOperation, Signal, SignalEntryData, SpawnOptions, ThreadSpawnOptions,
     },
@@ -70,12 +71,17 @@ pub unsafe fn get_random(buffer: &mut [u8]) {
 /// # Safety
 ///
 /// Unsafe: direct system call.
-pub unsafe fn map_memory(virt: Option<usize>, len: usize) -> Result<usize, Error> {
+pub unsafe fn map_memory(
+    virt: Option<usize>,
+    len: usize,
+    source: &MappingSource,
+) -> Result<usize, Error> {
     let virt = virt.unwrap_or(0);
     usize::from_syscall_result(syscall!(
         SyscallFunction::MapMemory,
         argn!(virt),
-        argn!(len)
+        argn!(len),
+        argp!(source as *const _)
     ))
 }