MCDisassembler::DecodeStatus S;
SmallVector<char, 64> InsnStr;
raw_svector_ostream Annotations(InsnStr);
- S = DisAsm->getInstruction(Inst, Size, Data, 0,
+ S = DisAsm->getInstruction(Inst, Size, Data, PC,
/*REMOVE*/ nulls(), Annotations);
switch (S) {
case MCDisassembler::Fail:
--- /dev/null
+//===- llvm/unittest/Object/Disassembler.cpp ------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm-c/Disassembler.h"
+#include "llvm/Support/TargetSelect.h"
+#include "gtest/gtest.h"
+
+using namespace llvm;
+
+static const char *symbolLookupCallback(void *DisInfo, uint64_t ReferenceValue,
+ uint64_t *ReferenceType,
+ uint64_t ReferencePC,
+ const char **ReferenceName) {
+ *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None;
+ return nullptr;
+}
+
+TEST(Disassembler, Test1) {
+ llvm::InitializeAllTargetInfos();
+ llvm::InitializeAllTargetMCs();
+ llvm::InitializeAllDisassemblers();
+
+ uint8_t Bytes[] = {0x90, 0x90, 0xeb, 0xfd};
+ uint8_t *BytesP = Bytes;
+ const char OutStringSize = 100;
+ char OutString[OutStringSize];
+ LLVMDisasmContextRef DCR = LLVMCreateDisasm("x86_64-pc-linux", nullptr, 0,
+ nullptr, symbolLookupCallback);
+ if (!DCR)
+ return;
+
+ size_t InstSize;
+ unsigned NumBytes = sizeof(Bytes);
+ unsigned PC = 0;
+
+ InstSize = LLVMDisasmInstruction(DCR, BytesP, NumBytes, PC, OutString,
+ OutStringSize);
+ EXPECT_EQ(InstSize, 1U);
+ EXPECT_EQ(StringRef(OutString), "\tnop");
+ PC += InstSize;
+ BytesP += InstSize;
+ NumBytes -= InstSize;
+
+ InstSize = LLVMDisasmInstruction(DCR, BytesP, NumBytes, PC, OutString,
+ OutStringSize);
+ EXPECT_EQ(InstSize, 1U);
+ EXPECT_EQ(StringRef(OutString), "\tnop");
+ PC += InstSize;
+ BytesP += InstSize;
+ NumBytes -= InstSize;
+
+ InstSize = LLVMDisasmInstruction(DCR, BytesP, NumBytes, PC, OutString,
+ OutStringSize);
+ EXPECT_EQ(InstSize, 2U);
+ EXPECT_EQ(StringRef(OutString), "\tjmp\t0x1");
+}