02674ee414
R=yangguo@chromium.org Review URL: https://codereview.chromium.org/18509003 Patch from Haitao Feng <haitao.feng@intel.com>. git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15510 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
101 lines
3.4 KiB
C++
101 lines
3.4 KiB
C++
// Copyright 2013 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include <stdlib.h>
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#include "cctest.h"
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#include "platform.h"
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using namespace ::v8::internal;
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TEST(NumberOfCores) {
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CHECK_GT(OS::NumberOfCores(), 0);
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}
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#ifdef __GNUC__
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#define ASM __asm__ __volatile__
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#if defined(_M_X64) || defined(__x86_64__)
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#define GET_STACK_POINTER() \
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static int sp_addr = 0; \
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do { \
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ASM("mov %%rsp, %0" : "=g" (sp_addr)); \
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} while (0)
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#elif defined(_M_IX86) || defined(__i386__)
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#define GET_STACK_POINTER() \
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static int sp_addr = 0; \
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do { \
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ASM("mov %%esp, %0" : "=g" (sp_addr)); \
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} while (0)
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#elif defined(__ARMEL__)
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#define GET_STACK_POINTER() \
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static int sp_addr = 0; \
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do { \
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ASM("str %%sp, %0" : "=g" (sp_addr)); \
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} while (0)
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#elif defined(__MIPSEL__)
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#define GET_STACK_POINTER() \
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static int sp_addr = 0; \
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do { \
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ASM("sw $sp, %0" : "=g" (sp_addr)); \
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} while (0)
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#else
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#error Host architecture was not detected as supported by v8
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#endif
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void GetStackPointer(const v8::FunctionCallbackInfo<v8::Value>& args) {
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GET_STACK_POINTER();
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args.GetReturnValue().Set(v8_num(sp_addr));
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}
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TEST(StackAlignment) {
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v8::Isolate* isolate = v8::Isolate::GetCurrent();
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v8::HandleScope handle_scope(isolate);
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v8::Handle<v8::ObjectTemplate> global_template = v8::ObjectTemplate::New();
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global_template->Set(v8_str("get_stack_pointer"),
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v8::FunctionTemplate::New(GetStackPointer));
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LocalContext env(NULL, global_template);
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CompileRun(
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"function foo() {"
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" return get_stack_pointer();"
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"}");
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v8::Local<v8::Object> global_object = env->Global();
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v8::Local<v8::Function> foo =
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v8::Local<v8::Function>::Cast(global_object->Get(v8_str("foo")));
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v8::Local<v8::Value> result = foo->Call(global_object, 0, NULL);
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CHECK_EQ(0, result->Int32Value() % OS::ActivationFrameAlignment());
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}
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#undef GET_STACK_POINTERS
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#undef ASM
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#endif // __GNUC__
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