Support ARM and Android

Conflicts:
	src/libcore/os.rs
	src/librustc/back/link.rs
	src/librustc/driver/driver.rs
	src/librustc/metadata/loader.rs
	src/librustc/middle/trans/base.rs

1 files changed, 61 insertions, 0 deletions

diff --git a/src/rt/rust_android_dummy.cpp b/src/rt/rust_android_dummy.cpp
new file mode 100644
index 00000000000..76aa51723ef
--- /dev/null
+++ b/src/rt/rust_android_dummy.cpp
@@ -0,0 +1,61 @@
+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "rust_android_dummy.h"
+#include <math.h>
+
+#ifdef __ANDROID__
+
+int backtrace(void **array, int size) { return 0; }
+
+char **backtrace_symbols(void *const *array, int size) { return 0; }
+
+void backtrace_symbols_fd (void *const *array, int size, int fd) {}
+
+
+extern "C" float log2f(float f)
+{
+    return logf( f ) / logf( 2 );
+}
+
+extern "C" double log2( double n )
+{
+    return log( n ) / log( 2 );
+}
+
+extern "C" void telldir()
+{
+}
+
+extern "C" void seekdir()
+{
+}
+
+extern "C" void mkfifo()
+{
+}
+
+extern "C" void abs()
+{
+}
+
+extern "C" void labs()
+{
+}
+
+extern "C" void rand()
+{
+}
+
+extern "C" void srand()
+{
+}
+
+extern "C" void atof()
+{
+}
+extern "C" void tgammaf()
+{
+}
+#endif