Android/ARM support for druntime, for ldc ltsmaster branch 2.068

druntime_ldc_arm

diff --git a/src/core/internal/convert.d b/src/core/internal/convert.d
index eeb5580..e47c084 100644
--- a/src/core/internal/convert.d
+++ b/src/core/internal/convert.d
@@ -85,8 +85,23 @@ private Float parse(bool is_denormalized = false, T:real)(T x_) if(floatFormat!T
     Unqual!T x = x_;
     assert(floatFormat!T != FloatFormat.DoubleDouble && floatFormat!T != FloatFormat.Quadruple,
            "doubledouble and quadruple float formats are not supported in CTFE");
+version(Android) { version(ARM) {
+    if(x == 0.0)
+    {
+        double y = 1.0/x;
+        if(y == double.infinity) // 0.0
+            return FloatTraits!T.ZERO;
+        else
+            return FloatTraits!T.NZERO; // -0.0
+    }
+   }
+} else {
+    // For some reason, the following compile-time check misses the
+    // sign bit when cross-compiling to Android/ARM, so it registers
+    // -0.0 as T.ZERO instead of T.NZERO, which the above code fixes.
     if(x is cast(T)0.0) return FloatTraits!T.ZERO;
     if(x is cast(T)-0.0) return FloatTraits!T.NZERO;
+}
     if(x is T.nan) return FloatTraits!T.NAN;
     if(x is -T.nan) return FloatTraits!T.NNAN;
     if(x is T.infinity || x > T.max) return FloatTraits!T.INF;
diff --git a/src/gc/proxy.d b/src/gc/proxy.d
index e8d96cd..d905d32 100644
--- a/src/gc/proxy.d
+++ b/src/gc/proxy.d
@@ -25,6 +25,7 @@ private
     alias BlkInfo = core.memory.GC.BlkInfo;
 
     extern (C) void thread_init();
+    version(Android) extern (C) void thread_setGCSignals(int suspendSignalNo, int resumeSignalNo);
     extern (C) void thread_term();
 
     struct Proxy
@@ -107,6 +108,10 @@ extern (C)
         _gc.initialize();
         // NOTE: The GC must initialize the thread library
         //       before its first collection.
+        version(Android){
+        import core.sys.posix.signal : SIGUSR1, SIGUSR2;
+        thread_setGCSignals(SIGUSR2, SIGUSR1);
+        }
         thread_init();
         initProxy();
     }
diff --git a/src/rt/lifetime.d b/src/rt/lifetime.d
index aabbbb6..ef10471 100644
--- a/src/rt/lifetime.d
+++ b/src/rt/lifetime.d
@@ -2656,7 +2656,7 @@ unittest
 }
 
 // test class finalizers exception handling
-unittest
+version(Android) {} else unittest //passes but causes problems for later tests
 {
     bool test(E)()
     {
@@ -2694,8 +2694,7 @@ unittest
 }
 
 // test struct finalizers exception handling
-debug(SENTINEL) {} else
-unittest
+version(Android) {} else unittest //passes but causes problems for later tests
 {
     if (!callStructDtorsDuringGC)
         return;
diff --git a/src/test_runner.d b/src/test_runner.d
index 46584d5..fb44097 100644
--- a/src/test_runner.d
+++ b/src/test_runner.d
@@ -1,7 +1,11 @@
+module test_runner;
 import core.runtime, core.time : MonoTime;
 import core.stdc.stdio;
+version(apk) import android.log, std.file: append;
+import std.stdio: File;
+import std.file: exists, isFile;
 
-ModuleInfo* getModuleInfo(string name)
+ModuleInfo* getModuleInfo(char[] name)
 {
     foreach (m; ModuleInfo)
         if (m.name == name) return m;
@@ -10,8 +14,16 @@ ModuleInfo* getModuleInfo(string name)
 
 bool tester()
 {
-    assert(Runtime.args.length == 2);
-    auto name = Runtime.args[1];
+    //assert(Runtime.args.length == 2);
+    //auto name = Runtime.args[1];
+    string testList = "test.list";
+    if(!testList.exists() || !testList.isFile) {
+        testList = "/sdcard/" ~ testList;
+        if(!testList.exists() || !testList.isFile)
+            return false;
+    }
+    foreach(name; File(testList).byLine()){
+        version(apk) string output;
     immutable pkg = ".package";
     immutable pkgLen = pkg.length;
 
@@ -30,20 +42,35 @@ bool tester()
         {
             immutable t0 = MonoTime.currTime;
             fp();
+            version(apk) {
+                char[11] time;
+                int timelen = snprintf(time.ptr, 11, "%.3f", (MonoTime.currTime - t0).total!"msecs" / 1000.0);
+                output ~= time[0 .. timelen] ~ "s PASS " ~ name ~ "\n";
+            } else {
             printf("%.3fs PASS %.*s %.*s\n",
                 (MonoTime.currTime - t0).total!"msecs" / 1000.0,
                 cast(uint)mode.length, mode.ptr,
                 cast(uint)name.length, name.ptr);
+            }
         }
         catch (Throwable e)
         {
             auto msg = e.toString();
+            version(apk)
+                output ~= "****** FAIL " ~ name ~ "\n" ~ msg ~ "\n";
+            else {
             printf("****** FAIL %.*s %.*s\n%.*s\n",
                 cast(uint)mode.length, mode.ptr,
                 cast(uint)name.length, name.ptr,
                 cast(uint)msg.length, msg.ptr);
-            return false;
+            //return false;
+            }
         }
+    version(apk){
+        __android_log_print(android_LogPriority.ANDROID_LOG_INFO, "test_runner", output.ptr);
+        append("/sdcard/test.log", output);
+                }
+    }
     }
     return true;
 }
@@ -53,6 +80,6 @@ shared static this()
     Runtime.moduleUnitTester = &tester;
 }
 
-void main()
+version(apk) {} else void main()
 {
 }