dae83bf0f7
Reason for revert: Still http://crbug.com/615890 Original issue's description: > [gn] Add cctest > > BUG=chromium:474921 > > Committed: https://crrev.com/52a6fced896e3f64ac56eb57bcdea78393642e0c > Cr-Commit-Position: refs/heads/master@{#36517} > > Committed: https://crrev.com/65678bc67fc48dfe4dcab7fdd2c4b7e1d6e918f4 > Cr-Commit-Position: refs/heads/master@{#36586} > > TBR=jochen@chromium.org > > Committed: https://crrev.com/eea9fbe1858df23dd832ed8ddd284f98120d9e21 > Cr-Commit-Position: refs/heads/master@{#36607} TBR=jochen@chromium.org,vogelheim@chromium.org # Skipping CQ checks because original CL landed less than 1 days ago. NOPRESUBMIT=true NOTREECHECKS=true NOTRY=true BUG=chromium:474921 Review-Url: https://codereview.chromium.org/2026703002 Cr-Commit-Position: refs/heads/master@{#36615}
71 lines
2.4 KiB
C++
71 lines
2.4 KiB
C++
// 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 <stdint.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));
|
|
#elif defined(__s390x__) || defined(_ARCH_S390X)
|
|
__asm__ __volatile__("stg 15, %0" : "=g"(sp_addr));
|
|
#elif defined(__s390__) || defined(_ARCH_S390)
|
|
__asm__ __volatile__("st 15, %0" : "=g"(sp_addr));
|
|
#elif defined(__PPC64__) || defined(_ARCH_PPC64)
|
|
__asm__ __volatile__("std 1, %0" : "=g"(sp_addr));
|
|
#elif defined(__PPC__) || defined(_ARCH_PPC)
|
|
__asm__ __volatile__("stw 1, %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::Local<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(isolate->GetCurrentContext(), v8_str("foo"))
|
|
.ToLocalChecked());
|
|
|
|
v8::Local<v8::Value> result =
|
|
foo->Call(isolate->GetCurrentContext(), global_object, 0, NULL)
|
|
.ToLocalChecked();
|
|
CHECK_EQ(0u, result->Uint32Value(isolate->GetCurrentContext()).FromJust() %
|
|
v8::base::OS::ActivationFrameAlignment());
|
|
}
|
|
|
|
#endif // V8_CC_GNU
|