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Unified Diff: test/cctest/test-run-wasm-relocation-ia32.cc

Issue 1759873002: Assembler changes for enabling GrowHeap in Wasm (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Fix compile Created 4 years, 9 months ago
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Index: test/cctest/test-run-wasm-relocation-ia32.cc
diff --git a/test/cctest/test-run-wasm-relocation-ia32.cc b/test/cctest/test-run-wasm-relocation-ia32.cc
new file mode 100644
index 0000000000000000000000000000000000000000..ed696e17c128445d6c6faeb6a3086c426fc40490
--- /dev/null
+++ b/test/cctest/test-run-wasm-relocation-ia32.cc
@@ -0,0 +1,89 @@
+// Copyright 2015 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 <stdlib.h>
+
+#include "src/v8.h"
+
+#include "src/debug/debug.h"
+#include "src/disasm.h"
+#include "src/disassembler.h"
+#include "src/ia32/frames-ia32.h"
+#include "src/ic/ic.h"
+#include "src/macro-assembler.h"
+#include "test/cctest/cctest.h"
+#include "test/cctest/compiler/c-signature.h"
+#include "test/cctest/compiler/call-tester.h"
+
+using namespace v8::internal;
+using namespace v8::internal::compiler;
+
+#define __ assm.
+
+static int32_t DummyStaticFunction(Object* result) { return 1; }
+
+TEST(WasmRelocationIa32) {
+ CcTest::InitializeVM();
+ Zone zone;
+ Isolate* isolate = CcTest::i_isolate();
+ HandleScope scope(isolate);
+ v8::internal::byte buffer[4096];
+ Assembler assm(isolate, buffer, sizeof buffer);
+ DummyStaticFunction(NULL);
+ int32_t imm = 1234567;
+
+ __ mov(eax, Immediate(reinterpret_cast<Address>(imm),
+ RelocInfo::WASM_MEMORY_REFERENCE));
+ __ nop();
+ __ ret(0);
+
+ CSignature0<int32_t> csig;
+ CodeDesc desc;
+ assm.GetCode(&desc);
+ Handle<Code> code = isolate->factory()->NewCode(
+ desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
+ USE(code);
+
+ CodeRunner<int32_t> runnable(isolate, code, &csig);
+ int32_t ret_value = runnable.Call();
+ CHECK_EQ(ret_value, imm);
+
+#ifdef OBJECT_PRINT
+ OFStream os(stdout);
+ code->Print(os);
+ byte* begin = code->instruction_start();
+ byte* end = begin + code->instruction_size();
+ disasm::Disassembler::Disassemble(stdout, begin, end);
+#endif
+
+ size_t offset = 1234;
+
+ // Relocating references by offset
+ int mode_mask = (1 << RelocInfo::WASM_MEMORY_REFERENCE);
+ for (RelocIterator it(*code, mode_mask); !it.done(); it.next()) {
+ RelocInfo::Mode mode = it.rinfo()->rmode();
+ if (RelocInfo::IsWasmMemoryReference(mode)) {
+ // Dummy values of size used here as the objective of the test is to
+ // verify that the immediate is patched correctly
+ it.rinfo()->update_wasm_memory_reference(
+ it.rinfo()->wasm_memory_reference(),
+ it.rinfo()->wasm_memory_reference() + offset, 1, 2,
+ SKIP_ICACHE_FLUSH);
+ }
+ }
+
+ // Check if immediate is updated correctly
+ ret_value = runnable.Call();
+ CHECK_EQ(ret_value, imm + offset);
+
+#ifdef OBJECT_PRINT
+ // OFStream os(stdout);
+ code->Print(os);
+ begin = code->instruction_start();
+ end = begin + code->instruction_size();
+ disasm::Disassembler::Disassemble(stdout, begin, end);
+#endif
+}
+
+#undef __
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