Initial support for x86 32-bit

src/platform/redox/extra.rs

@@ -53,6 +53,7 @@ extern "C" {
     pub fn pte_clone_inner(stack: usize) -> usize;
 }
 
+#[cfg(target_arch = "x86_64")]
 global_asm!("
     .globl pte_clone_inner
     .type pte_clone_inner, @function

src/platform/redox/mod.rs

@@ -850,6 +850,12 @@ impl Pal for Sys {
         unimplemented!("pte_clone not implemented on aarch64");
     }
 
+    #[cfg(target_arch = "x86")]
+    unsafe fn pte_clone(stack: *mut usize) -> pid_t {
+        //TODO: x86
+        unimplemented!("pte_clone not implemented on x86");
+    }
+
     #[cfg(target_arch = "x86_64")]
     unsafe fn pte_clone(stack: *mut usize) -> pid_t {
         e(syscall::Error::demux(extra::pte_clone_inner(stack as usize))) as pid_t

src/platform/redox/ptrace.rs

@@ -110,6 +110,17 @@ fn inner_ptrace(
     unimplemented!("inner_ptrace not implemented on aarch64");
 }
 
+#[cfg(target_arch = "x86")]
+fn inner_ptrace(
+    request: c_int,
+    pid: pid_t,
+    addr: *mut c_void,
+    data: *mut c_void,
+) -> io::Result<c_int> {
+    //TODO: x86
+    unimplemented!("inner_ptrace not implemented on x86");
+}
+
 #[cfg(target_arch = "x86_64")]
 fn inner_ptrace(
     request: c_int,