Fix compilation with trace feature

src/header/dl-tls/mod.rs

@@ -26,7 +26,7 @@ pub unsafe extern "C" fn __tls_get_addr(ti: *mut dl_tls_index) -> *mut c_void {
         ti.ti_module,
         ti.ti_offset,
         masters.len(),
-        tcb.dtv_mut().unwrap().len()
+        tcb.dtv_mut().len()
     );
 
     if tcb.dtv_mut().len() < masters.len() {

src/ld_so/dso.rs

@@ -420,7 +420,6 @@ impl DSO {
         let mut dynamic = None;
         for ph in elf.elf_program_headers() {
             let voff = ph.p_vaddr(endian) % ph.p_align(endian);
-            // let vaddr = (ph.p_vaddr - voff) as usize;
             let vsize = ((ph.p_memsz(endian) + voff) as usize)
                 .next_multiple_of(ph.p_align(endian) as usize);
 
@@ -456,7 +455,7 @@ impl DSO {
                     };
                     trace!(
                         "  copy {:#x}, {:#x}: {:#x}, {:#x}",
-                        vaddr,
+                        ph.p_vaddr(endian) - voff,
                         vsize,
                         voff,
                         obj_data.len()

src/macros.rs

@@ -106,18 +106,14 @@ macro_rules! trace_expr {
 
         trace!("{}", format_args!($($arg)*));
 
-        #[allow(unused_unsafe)]
-        let trace_old_errno = unsafe { platform::errno };
-        #[allow(unused_unsafe)]
-        unsafe { platform::errno = 0; }
+        let trace_old_errno = platform::ERRNO.get();
+        platform::ERRNO.set(0);
 
         let ret = $expr;
 
-        #[allow(unused_unsafe)]
-        let trace_errno = unsafe { platform::errno } as isize;
+        let trace_errno = platform::ERRNO.get() as isize;
         if trace_errno == 0 {
-            #[allow(unused_unsafe)]
-            unsafe { platform::errno = trace_old_errno; }
+            platform::ERRNO.set(trace_old_errno);
         }
 
         let trace_strerror = if trace_errno >= 0 && trace_errno < STR_ERROR.len() as isize {