std: Move platform-specific out of sys_common::util

src/libstd/sys/common/util.rs

@@ -33,32 +33,6 @@ pub fn dumb_print(args: fmt::Arguments) {
     let _ = Stderr::new().map(|mut stderr| stderr.write_fmt(args));
 }
 
-// On Unix-like platforms, libc::abort will unregister signal handlers
-// including the SIGABRT handler, preventing the abort from being blocked, and
-// fclose streams, with the side effect of flushing them so libc bufferred
-// output will be printed.  Additionally the shell will generally print a more
-// understandable error message like "Abort trap" rather than "Illegal
-// instruction" that intrinsics::abort would cause, as intrinsics::abort is
-// implemented as an illegal instruction.
-#[cfg(unix)]
-unsafe fn abort_internal() -> ! {
-    ::libc::abort()
-}
-
-// On Windows, use the processor-specific __fastfail mechanism.  In Windows 8
-// and later, this will terminate the process immediately without running any
-// in-process exception handlers.  In earlier versions of Windows, this
-// sequence of instructions will be treated as an access violation,
-// terminating the process but without necessarily bypassing all exception
-// handlers.
-//
-// https://msdn.microsoft.com/en-us/library/dn774154.aspx
-#[cfg(all(windows, any(target_arch = "x86", target_arch = "x86_64")))]
-unsafe fn abort_internal() -> ! {
-    asm!("int $$0x29" :: "{ecx}"(7) ::: volatile); // 7 is FAST_FAIL_FATAL_APP_EXIT
-    ::intrinsics::unreachable();
-}
-
 // Other platforms should use the appropriate platform-specific mechanism for
 // aborting the process.  If no platform-specific mechanism is available,
 // ::intrinsics::abort() may be used instead.  The above implementations cover
@@ -66,7 +40,7 @@ unsafe fn abort_internal() -> ! {
 
 pub fn abort(args: fmt::Arguments) -> ! {
     dumb_print(format_args!("fatal runtime error: {}\n", args));
-    unsafe { abort_internal(); }
+    unsafe { ::sys::abort_internal(); }
 }
 
 #[allow(dead_code)] // stack overflow detection not enabled on all platforms

src/libstd/sys/unix/mod.rs

@@ -163,3 +163,14 @@ pub fn cvt_r<T, F>(mut f: F) -> io::Result<T>
         }
     }
 }
+
+// On Unix-like platforms, libc::abort will unregister signal handlers
+// including the SIGABRT handler, preventing the abort from being blocked, and
+// fclose streams, with the side effect of flushing them so libc bufferred
+// output will be printed.  Additionally the shell will generally print a more
+// understandable error message like "Abort trap" rather than "Illegal
+// instruction" that intrinsics::abort would cause, as intrinsics::abort is
+// implemented as an illegal instruction.
+pub unsafe fn abort_internal() -> ! {
+    ::libc::abort()
+}

src/libstd/sys/windows/mod.rs

@@ -221,3 +221,17 @@ pub fn dur2timeout(dur: Duration) -> c::DWORD {
         }
     }).unwrap_or(c::INFINITE)
 }
+
+// On Windows, use the processor-specific __fastfail mechanism.  In Windows 8
+// and later, this will terminate the process immediately without running any
+// in-process exception handlers.  In earlier versions of Windows, this
+// sequence of instructions will be treated as an access violation,
+// terminating the process but without necessarily bypassing all exception
+// handlers.
+//
+// https://msdn.microsoft.com/en-us/library/dn774154.aspx
+#[cfg(any(target_arch = "x86", target_arch = "x86_64"))]
+pub unsafe fn abort_internal() -> ! {
+    asm!("int $$0x29" :: "{ecx}"(7) ::: volatile); // 7 is FAST_FAIL_FATAL_APP_EXIT
+    ::intrinsics::unreachable();
+}

src/tools/tidy/src/pal.rs

@@ -70,7 +70,6 @@ const EXCEPTION_PATHS: &'static [&'static str] = &[
     "src/libstd/num/f64.rs",
     "src/libstd/sys/common/mod.rs",
     "src/libstd/sys/common/net.rs",
-    "src/libstd/sys/common/util.rs",
     "src/libterm", // Not sure how to make this crate portable, but test needs it
     "src/libtest", // Probably should defer to unstable std::sys APIs