Fix for issue 14790 - Crash when using dartium devtools

runtime/vm/assembler_x64_test.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"
 #if defined(TARGET_ARCH_X64)
 
 #include "vm/assembler.h"
 #include "vm/os.h"
 #include "vm/unit_test.h"
@@ skipping 1607 matching lines @@
 
 
 ASSEMBLER_TEST_RUN(PackedCompareNLE, test) {
   typedef uint32_t (*PackedCompareNLECode)();
   uint32_t res = reinterpret_cast<PackedCompareNLECode>(test->entry())();
   EXPECT_EQ(static_cast<uword>(0x0), res);
 }
 
 
 ASSEMBLER_TEST_GENERATE(PackedNegate, assembler) {
-  __ EnterDartFrame(0);
   __ movl(RAX, Immediate(bit_cast<int32_t, float>(12.3f)));
   __ movd(XMM0, RAX);
   __ shufps(XMM0, XMM0, Immediate(0x0));
   __ negateps(XMM0);
   __ shufps(XMM0, XMM0, Immediate(0xAA));  // Copy third lane into all 4 lanes.
-  __ LeaveFrameWithPP();
   __ ret();
 }
 
 
 ASSEMBLER_TEST_RUN(PackedNegate, test) {
   typedef float (*PackedNegateCode)();
   float res = reinterpret_cast<PackedNegateCode>(test->entry())();
   EXPECT_FLOAT_EQ(-12.3f, res, 0.001f);
 }
 
 
 ASSEMBLER_TEST_GENERATE(PackedAbsolute, assembler) {
-  __ EnterDartFrame(0);
   __ movl(RAX, Immediate(bit_cast<int32_t, float>(-15.3f)));
   __ movd(XMM0, RAX);
   __ shufps(XMM0, XMM0, Immediate(0x0));
   __ absps(XMM0);
   __ shufps(XMM0, XMM0, Immediate(0xAA));  // Copy third lane into all 4 lanes.
-  __ LeaveFrameWithPP();
   __ ret();
 }
 
 
 ASSEMBLER_TEST_RUN(PackedAbsolute, test) {
   typedef float (*PackedAbsoluteCode)();
   float res = reinterpret_cast<PackedAbsoluteCode>(test->entry())();
   EXPECT_FLOAT_EQ(15.3f, res, 0.001f);
 }
 
 
 ASSEMBLER_TEST_GENERATE(PackedSetWZero, assembler) {
-  __ EnterDartFrame(0);
   __ set1ps(XMM0, RAX, Immediate(bit_cast<int32_t, float>(12.3f)));
   __ zerowps(XMM0);
   __ shufps(XMM0, XMM0, Immediate(0xFF));  // Copy the W lane which is now 0.0.
-  __ LeaveFrameWithPP();
   __ ret();
 }
 
 
 ASSEMBLER_TEST_RUN(PackedSetWZero, test) {
   typedef float (*PackedSetWZeroCode)();
   float res = reinterpret_cast<PackedSetWZeroCode>(test->entry())();
   EXPECT_FLOAT_EQ(0.0f, res, 0.001f);
 }
 
@@ skipping 96 matching lines @@
 
 
 ASSEMBLER_TEST_GENERATE(PackedLogicalNot, assembler) {
   static const struct ALIGN16 {
     uint32_t a;
     uint32_t b;
     uint32_t c;
     uint32_t d;
   } constant1 =
       { 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF };
-  __ EnterDartFrame(0);
+  __ pushq(PP);  // Save caller's pool pointer and load a new one here.
+  __ LoadPoolPointer(PP);
   __ LoadImmediate(RAX, Immediate(reinterpret_cast<intptr_t>(&constant1)), PP);
   __ movups(XMM9, Address(RAX, 0));
   __ notps(XMM9);
   __ movaps(XMM0, XMM9);
   __ pushq(RAX);
   __ movss(Address(RSP, 0), XMM0);
   __ popq(RAX);
-  __ LeaveFrameWithPP();
+  __ popq(PP);  // Restore caller's pool pointer.
   __ ret();
 }
 
 
 ASSEMBLER_TEST_RUN(PackedLogicalNot, test) {
   typedef uint32_t (*PackedLogicalNotCode)();
   uint32_t res = reinterpret_cast<PackedLogicalNotCode>(test->entry())();
   EXPECT_EQ(static_cast<uword>(0x0), res);
 }
 
@@ skipping 376 matching lines @@
   typedef int64_t (*DoubleToInt64ConversionCode)();
   int64_t res = reinterpret_cast<DoubleToInt64ConversionCode>(test->entry())();
   EXPECT_EQ(0, res);
 }
 
 
 ASSEMBLER_TEST_GENERATE(TestObjectCompare, assembler) {
   ObjectStore* object_store = Isolate::Current()->object_store();
   const Object& obj = Object::ZoneHandle(object_store->smi_class());
   Label fail;
-  __ EnterDartFrame(0);
+  __ EnterFrame(0);
+  __ pushq(PP);  // Save caller's pool pointer and load a new one here.
+  __ LoadPoolPointer(PP);
   __ LoadObject(RAX, obj, PP);
   __ CompareObject(RAX, obj, PP);
   __ j(NOT_EQUAL, &fail);
   __ LoadObject(RCX, obj, PP);
   __ CompareObject(RCX, obj, PP);
   __ j(NOT_EQUAL, &fail);
   const Smi& smi = Smi::ZoneHandle(Smi::New(15));
   __ LoadObject(RCX, smi, PP);
   __ CompareObject(RCX, smi, PP);
   __ j(NOT_EQUAL, &fail);
   __ pushq(RAX);
   __ StoreObject(Address(RSP, 0), obj, PP);
   __ popq(RCX);
   __ CompareObject(RCX, obj, PP);
   __ j(NOT_EQUAL, &fail);
   __ pushq(RAX);
   __ StoreObject(Address(RSP, 0), smi, PP);
   __ popq(RCX);
   __ CompareObject(RCX, smi, PP);
   __ j(NOT_EQUAL, &fail);
   __ movl(RAX, Immediate(1));  // OK
-  __ LeaveFrameWithPP();
+  __ LeaveDartFrame();
   __ ret();
   __ Bind(&fail);
   __ movl(RAX, Immediate(0));  // Fail.
-  __ LeaveFrameWithPP();
+  __ popq(PP);  // Restore caller's pool pointer.
+  __ LeaveFrame();
   __ ret();
 }
 
 
 ASSEMBLER_TEST_RUN(TestObjectCompare, test) {
   typedef bool (*TestObjectCompare)();
   bool res = reinterpret_cast<TestObjectCompare>(test->entry())();
   EXPECT_EQ(true, res);
 }
 
@@ skipping 190 matching lines @@
   typedef double (*SquareRootDoubleCode)(double d);
   const double kDoubleConst = .7;
   double res =
       reinterpret_cast<SquareRootDoubleCode>(test->entry())(kDoubleConst);
   EXPECT_FLOAT_EQ(sqrt(kDoubleConst), res, 0.0001);
 }
 
 
 // Called from assembler_test.cc.
 ASSEMBLER_TEST_GENERATE(StoreIntoObject, assembler) {
-  __ EnterDartFrame(0);
+  __ pushq(PP);  // Save caller's pool pointer and load a new one here.
+  __ LoadPoolPointer(PP);
   __ pushq(CTX);
   __ movq(CTX, RDI);
   __ StoreIntoObject(RDX,
                      FieldAddress(RDX, GrowableObjectArray::data_offset()),
                      RSI);
   __ popq(CTX);
-  __ LeaveFrameWithPP();
+  __ popq(PP);  // Restore caller's pool pointer.
   __ ret();
 }
 
 
 ASSEMBLER_TEST_GENERATE(DoubleFPUStackMoves, assembler) {
   int64_t l = bit_cast<int64_t, double>(1024.67);
   __ movq(RAX, Immediate(l));
   __ pushq(RAX);
   __ fldl(Address(RSP, 0));
   __ movq(Address(RSP, 0), Immediate(0));
@@ skipping 93 matching lines @@
   res = reinterpret_cast<DoubleToDoubleTruncCode>(test->entry())(12.8);
   EXPECT_EQ(12.0, res);
   res = reinterpret_cast<DoubleToDoubleTruncCode>(test->entry())(-12.3);
   EXPECT_EQ(-12.0, res);
   res = reinterpret_cast<DoubleToDoubleTruncCode>(test->entry())(-12.8);
   EXPECT_EQ(-12.0, res);
 }
 
 
 ASSEMBLER_TEST_GENERATE(DoubleAbs, assembler) {
-  __ EnterDartFrame(0);
   __ DoubleAbs(XMM0);
-  __ LeaveFrameWithPP();
   __ ret();
 }
 
 
 ASSEMBLER_TEST_RUN(DoubleAbs, test) {
   typedef double (*DoubleAbsCode)(double d);
   double val = -12.45;
   double res =  reinterpret_cast<DoubleAbsCode>(test->entry())(val);
   EXPECT_FLOAT_EQ(-val, res, 0.001);
   val = 12.45;
@@ skipping 83 matching lines @@
   EXPECT_EQ(1, res);  // Greater equal.
   res = reinterpret_cast<ConditionalMovesCompareCode>(test->entry())(5, 5);
   EXPECT_EQ(1, res);  // Greater equal.
   res = reinterpret_cast<ConditionalMovesCompareCode>(test->entry())(2, 5);
   EXPECT_EQ(-1, res);  // Less.
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_X64