Upgrade to 3.29
Update V8 to 3.29.88.17 and update makefiles to support building on
all the relevant platforms.
Bug: 17370214
Change-Id: Ia3407c157fd8d72a93e23d8318ccaf6ecf77fa4e
diff --git a/test/cctest/test-platform.cc b/test/cctest/test-platform.cc
new file mode 100644
index 0000000..100a5a7
--- /dev/null
+++ b/test/cctest/test-platform.cc
@@ -0,0 +1,58 @@
+// Copyright 2013 the V8 project 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 "include/v8stdint.h"
+#include "src/base/build_config.h"
+#include "src/base/platform/platform.h"
+#include "test/cctest/cctest.h"
+
+#ifdef V8_CC_GNU
+
+static uintptr_t sp_addr = 0;
+
+void GetStackPointer(const v8::FunctionCallbackInfo<v8::Value>& args) {
+#if V8_HOST_ARCH_X64
+ __asm__ __volatile__("mov %%rsp, %0" : "=g"(sp_addr));
+#elif V8_HOST_ARCH_IA32
+ __asm__ __volatile__("mov %%esp, %0" : "=g"(sp_addr));
+#elif V8_HOST_ARCH_ARM
+ __asm__ __volatile__("str %%sp, %0" : "=g"(sp_addr));
+#elif V8_HOST_ARCH_ARM64
+ __asm__ __volatile__("mov x16, sp; str x16, %0" : "=g"(sp_addr));
+#elif V8_HOST_ARCH_MIPS
+ __asm__ __volatile__("sw $sp, %0" : "=g"(sp_addr));
+#elif V8_HOST_ARCH_MIPS64
+ __asm__ __volatile__("sd $sp, %0" : "=g"(sp_addr));
+#else
+#error Host architecture was not detected as supported by v8
+#endif
+
+ args.GetReturnValue().Set(v8::Integer::NewFromUnsigned(
+ args.GetIsolate(), static_cast<uint32_t>(sp_addr)));
+}
+
+
+TEST(StackAlignment) {
+ v8::Isolate* isolate = CcTest::isolate();
+ v8::HandleScope handle_scope(isolate);
+ v8::Handle<v8::ObjectTemplate> global_template =
+ v8::ObjectTemplate::New(isolate);
+ global_template->Set(v8_str("get_stack_pointer"),
+ v8::FunctionTemplate::New(isolate, GetStackPointer));
+
+ LocalContext env(NULL, global_template);
+ CompileRun(
+ "function foo() {"
+ " return get_stack_pointer();"
+ "}");
+
+ v8::Local<v8::Object> global_object = env->Global();
+ v8::Local<v8::Function> foo =
+ v8::Local<v8::Function>::Cast(global_object->Get(v8_str("foo")));
+
+ v8::Local<v8::Value> result = foo->Call(global_object, 0, NULL);
+ CHECK_EQ(0, result->Uint32Value() % v8::base::OS::ActivationFrameAlignment());
+}
+
+#endif // V8_CC_GNU