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llvm-mirror/unittests/Object/XCOFFObjectFileTest.cpp
diggerlin ee2293da39 [AIX][XCOFF][NFC] Change geNumberOfVRSaved function name to getNumberOfVRSaved.
SUMMARY:

  Change geNumberOfVRSaved function name to getNumberOfVRSaved of class TBVectorExt

Reviewers: hubert.reinterpretcast, Jason Liu
Differential Revision: https://reviews.llvm.org/D92225
2020-11-27 13:37:43 -05:00

387 lines
13 KiB
C++

//===- XCOFFObjectFileTest.cpp - Tests for XCOFFObjectFile ----------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "llvm/Object/ELFObjectFile.h"
#include "llvm/Object/XCOFFObjectFile.h"
#include "llvm/Testing/Support/Error.h"
#include "gtest/gtest.h"
using namespace llvm;
using namespace llvm::object;
using namespace llvm::XCOFF;
TEST(XCOFFObjectFileTest, XCOFFObjectType) {
// Create an arbitrary object of a non-XCOFF type and test that
// dyn_cast<XCOFFObjectFile> returns null for it.
char Buf[sizeof(typename ELF64LE::Ehdr)] = {};
memcpy(Buf, "\177ELF", 4);
auto *EHdr = reinterpret_cast<typename ELF64LE::Ehdr *>(Buf);
EHdr->e_ident[llvm::ELF::EI_CLASS] = llvm::ELF::ELFCLASS64;
EHdr->e_ident[llvm::ELF::EI_DATA] = llvm::ELF::ELFDATA2LSB;
MemoryBufferRef Source(StringRef(Buf, sizeof(Buf)), "non-XCOFF");
Expected<std::unique_ptr<ObjectFile>> ObjOrErr =
ObjectFile::createObjectFile(Source);
ASSERT_THAT_EXPECTED(ObjOrErr, Succeeded());
EXPECT_TRUE(dyn_cast<XCOFFObjectFile>((*ObjOrErr).get()) == nullptr);
}
TEST(XCOFFObjectFileTest, doesXCOFFTracebackTableBegin) {
EXPECT_TRUE(doesXCOFFTracebackTableBegin({0, 0, 0, 0}));
EXPECT_TRUE(doesXCOFFTracebackTableBegin({0, 0, 0, 0, 1}));
EXPECT_FALSE(doesXCOFFTracebackTableBegin({0, 0, 0, 1}));
EXPECT_FALSE(doesXCOFFTracebackTableBegin({0, 0, 0}));
}
TEST(XCOFFObjectFileTest, XCOFFTracebackTableAPIGeneral) {
uint8_t V[] = {0x00, 0x00, 0x22, 0x40, 0x80, 0x00, 0x01, 0x05, 0x58, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x07, 0x61, 0x64,
0x64, 0x5f, 0x61, 0x6c, 0x6c, 0x00, 0x00, 0x00};
uint64_t Size = sizeof(V);
Expected<XCOFFTracebackTable> TTOrErr = XCOFFTracebackTable::create(V, Size);
ASSERT_THAT_EXPECTED(TTOrErr, Succeeded());
XCOFFTracebackTable TT = *TTOrErr;
EXPECT_EQ(TT.getVersion(), 0);
EXPECT_EQ(TT.getLanguageID(), 0);
EXPECT_FALSE(TT.isGlobalLinkage());
EXPECT_FALSE(TT.isOutOfLineEpilogOrPrologue());
EXPECT_TRUE(TT.hasTraceBackTableOffset());
EXPECT_FALSE(TT.isInternalProcedure());
EXPECT_FALSE(TT.hasControlledStorage());
EXPECT_FALSE(TT.isTOCless());
EXPECT_TRUE(TT.isFloatingPointPresent());
EXPECT_FALSE(TT.isFloatingPointOperationLogOrAbortEnabled());
EXPECT_FALSE(TT.isInterruptHandler());
EXPECT_TRUE(TT.isFuncNamePresent());
EXPECT_FALSE(TT.isAllocaUsed());
EXPECT_EQ(TT.getOnConditionDirective(), 0);
EXPECT_FALSE(TT.isCRSaved());
EXPECT_FALSE(TT.isLRSaved());
EXPECT_TRUE(TT.isBackChainStored());
EXPECT_FALSE(TT.isFixup());
EXPECT_EQ(TT.getNumOfFPRsSaved(), 0);
EXPECT_FALSE(TT.hasExtensionTable());
EXPECT_FALSE(TT.hasVectorInfo());
EXPECT_EQ(TT.getNumOfGPRsSaved(), 0);
EXPECT_EQ(TT.getNumberOfFixedParms(), 1);
EXPECT_EQ(TT.getNumberOfFPParms(), 2);
EXPECT_TRUE(TT.hasParmsOnStack());
ASSERT_TRUE(TT.getParmsType());
EXPECT_EQ(TT.getParmsType().getValue(), "i, f, d");
ASSERT_TRUE(TT.getTraceBackTableOffset());
EXPECT_EQ(TT.getTraceBackTableOffset().getValue(), 64u);
EXPECT_FALSE(TT.getHandlerMask());
ASSERT_TRUE(TT.getFunctionName());
EXPECT_EQ(TT.getFunctionName().getValue(), "add_all");
EXPECT_EQ(TT.getFunctionName().getValue().size(), 7u);
EXPECT_FALSE(TT.getAllocaRegister());
EXPECT_EQ(Size, 25u);
}
TEST(XCOFFObjectFileTest, XCOFFTracebackTableAPIParmsType) {
uint8_t V[] = {0x01, 0x02, 0xA2, 0x40, 0x80, 0x00, 0x02, 0x07, 0x2B, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x07, 0x61, 0x64,
0x64, 0x5f, 0x61, 0x6c, 0x6c, 0x00, 0x00, 0x00};
uint64_t Size = sizeof(V);
Expected<XCOFFTracebackTable> TTOrErr = XCOFFTracebackTable::create(V, Size);
ASSERT_THAT_EXPECTED(TTOrErr, Succeeded());
XCOFFTracebackTable TT = *TTOrErr;
EXPECT_EQ(TT.getVersion(), 1);
EXPECT_EQ(TT.getLanguageID(), 2);
EXPECT_TRUE(TT.isGlobalLinkage());
EXPECT_EQ(TT.getNumberOfFixedParms(), 2);
EXPECT_EQ(TT.getNumberOfFPParms(), 3);
ASSERT_TRUE(TT.getParmsType());
EXPECT_EQ(TT.getParmsType().getValue(), "i, i, f, f, d");
V[8] = 0xAC;
Size = sizeof(V);
Expected<XCOFFTracebackTable> TTOrErr1 = XCOFFTracebackTable::create(V, Size);
ASSERT_THAT_EXPECTED(TTOrErr1, Succeeded());
XCOFFTracebackTable TT1 = *TTOrErr1;
ASSERT_TRUE(TT1.getParmsType());
EXPECT_EQ(TT1.getParmsType().getValue(), "f, f, d, i, i");
V[8] = 0xD4;
Size = sizeof(V);
Expected<XCOFFTracebackTable> TTOrErr2 = XCOFFTracebackTable::create(V, Size);
ASSERT_THAT_EXPECTED(TTOrErr2, Succeeded());
XCOFFTracebackTable TT2 = *TTOrErr2;
ASSERT_TRUE(TT2.getParmsType());
EXPECT_EQ(TT2.getParmsType().getValue(), "d, i, f, f, i");
V[6] = 0x01;
Size = sizeof(V);
Expected<XCOFFTracebackTable> TTOrErr3 = XCOFFTracebackTable::create(V, Size);
ASSERT_THAT_EXPECTED(TTOrErr3, Succeeded());
XCOFFTracebackTable TT3 = *TTOrErr3;
ASSERT_TRUE(TT3.getParmsType());
EXPECT_EQ(TT3.getParmsType().getValue(), "d, i, f, f");
}
const uint8_t TBTableData[] = {
0x00, 0x00, 0x2A, 0x60, 0x80, 0xc0, 0x03, 0x05, 0x48, 0xc4, 0x00, 0x00,
0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x02, 0x05, 0x05, 0x00, 0x00,
0x06, 0x06, 0x00, 0x00, 0x00, 0x07, 0x61, 0x64, 0x64, 0x5f, 0x61, 0x6c,
0x6c, 0x1f, 0x02, 0x05, 0xf0, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00};
TEST(XCOFFObjectFileTest, XCOFFTracebackTableAPIControlledStorageInfoDisp) {
uint64_t Size = sizeof(TBTableData);
Expected<XCOFFTracebackTable> TTOrErr =
XCOFFTracebackTable::create(TBTableData, Size);
ASSERT_THAT_EXPECTED(TTOrErr, Succeeded());
XCOFFTracebackTable TT = *TTOrErr;
EXPECT_TRUE(TT.hasControlledStorage());
ASSERT_TRUE(TT.getNumOfCtlAnchors());
EXPECT_EQ(TT.getNumOfCtlAnchors().getValue(), 2u);
ASSERT_TRUE(TT.getControlledStorageInfoDisp());
SmallVector<uint32_t, 8> Disp = TT.getControlledStorageInfoDisp().getValue();
ASSERT_EQ(Disp.size(), 2UL);
EXPECT_EQ(Disp[0], 0x05050000u);
EXPECT_EQ(Disp[1], 0x06060000u);
EXPECT_EQ(Size, 45u);
}
TEST(XCOFFObjectFileTest, XCOFFTracebackTableAPIAllocaRegister) {
uint64_t Size = sizeof(TBTableData);
Expected<XCOFFTracebackTable> TTOrErr =
XCOFFTracebackTable::create(TBTableData, Size);
ASSERT_THAT_EXPECTED(TTOrErr, Succeeded());
XCOFFTracebackTable TT = *TTOrErr;
ASSERT_TRUE(TT.getAllocaRegister());
EXPECT_EQ(TT.getAllocaRegister().getValue(), 31u);
}
TEST(XCOFFObjectFileTest, XCOFFTracebackTableAPIHasVectorInfo) {
uint64_t Size = sizeof(TBTableData);
Expected<XCOFFTracebackTable> TTOrErr =
XCOFFTracebackTable::create(TBTableData, Size);
ASSERT_THAT_EXPECTED(TTOrErr, Succeeded());
XCOFFTracebackTable TT = *TTOrErr;
EXPECT_EQ(TT.getNumberOfFixedParms(), 3);
EXPECT_EQ(TT.getNumberOfFPParms(), 2);
EXPECT_TRUE(TT.hasVectorInfo());
EXPECT_TRUE(TT.hasExtensionTable());
ASSERT_TRUE(TT.getParmsType());
EXPECT_EQ(TT.getParmsType().getValue(), "v, i, f, i, d, i, v");
ASSERT_TRUE(TT.getVectorExt());
TBVectorExt VecExt = TT.getVectorExt().getValue();
EXPECT_EQ(VecExt.getNumberOfVRSaved(), 0);
EXPECT_TRUE(VecExt.isVRSavedOnStack());
EXPECT_FALSE(VecExt.hasVarArgs());
EXPECT_EQ(VecExt.getNumberOfVectorParms(), 2u);
EXPECT_TRUE(VecExt.hasVMXInstruction());
EXPECT_EQ(VecExt.getVectorParmsInfoString(), "vf, vf");
ASSERT_TRUE(TT.getExtensionTable());
EXPECT_EQ(TT.getExtensionTable().getValue(),
ExtendedTBTableFlag::TB_SSP_CANARY);
EXPECT_EQ(Size, 45u);
}
TEST(XCOFFObjectFileTest, XCOFFTracebackTableAPIHasVectorInfo1) {
const uint8_t TBTableData[] = {
0x00, 0x00, 0x2A, 0x40, 0x80, 0xc0, 0x03, 0x05, 0x48, 0xc0, 0x00, 0x00,
0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x02, 0x05, 0x05, 0x00, 0x00,
0x06, 0x06, 0x00, 0x00, 0x00, 0x07, 0x61, 0x64, 0x64, 0x5f, 0x61, 0x6c,
0x6c, 0x11, 0x07, 0x90, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00};
uint64_t Size = sizeof(TBTableData);
Expected<XCOFFTracebackTable> TTOrErr =
XCOFFTracebackTable::create(TBTableData, Size);
ASSERT_THAT_EXPECTED(TTOrErr, Succeeded());
XCOFFTracebackTable TT = *TTOrErr;
ASSERT_TRUE(TT.getParmsType());
EXPECT_EQ(TT.getParmsType().getValue(), "v, i, f, i, d, i");
ASSERT_TRUE(TT.getVectorExt());
TBVectorExt VecExt = TT.getVectorExt().getValue();
EXPECT_EQ(VecExt.getNumberOfVRSaved(), 4);
EXPECT_FALSE(VecExt.isVRSavedOnStack());
EXPECT_TRUE(VecExt.hasVarArgs());
EXPECT_EQ(VecExt.getNumberOfVectorParms(), 3u);
EXPECT_TRUE(VecExt.hasVMXInstruction());
EXPECT_EQ(VecExt.getVectorParmsInfoString(), "vi, vs, vc");
ASSERT_TRUE(TT.getExtensionTable());
EXPECT_EQ(TT.getExtensionTable().getValue(),
ExtendedTBTableFlag::TB_SSP_CANARY);
EXPECT_EQ(Size, 44u);
}
TEST(XCOFFObjectFileTest, XCOFFTracebackTableTruncatedAtMandatory) {
uint64_t Size = 6;
Expected<XCOFFTracebackTable> TTOrErr =
XCOFFTracebackTable::create(TBTableData, Size);
EXPECT_THAT_ERROR(
TTOrErr.takeError(),
FailedWithMessage(
"unexpected end of data at offset 0x6 while reading [0x0, 0x8)"));
EXPECT_EQ(Size, 0u);
}
TEST(XCOFFObjectFileTest, XCOFFTracebackTableTruncatedAtParmsType) {
uint64_t Size = 9;
Expected<XCOFFTracebackTable> TTOrErr =
XCOFFTracebackTable::create(TBTableData, Size);
EXPECT_THAT_ERROR(
TTOrErr.takeError(),
FailedWithMessage(
"unexpected end of data at offset 0x9 while reading [0x8, 0xc)"));
EXPECT_EQ(Size, 8u);
}
TEST(XCOFFObjectFileTest, XCOFFTracebackTableTruncatedAtTBOffset) {
uint64_t Size = 14;
Expected<XCOFFTracebackTable> TTOrErr =
XCOFFTracebackTable::create(TBTableData, Size);
EXPECT_THAT_ERROR(
TTOrErr.takeError(),
FailedWithMessage(
"unexpected end of data at offset 0xe while reading [0xc, 0x10)"));
EXPECT_EQ(Size, 12u);
}
TEST(XCOFFObjectFileTest, XCOFFTracebackTableTruncatedAtHandlerMask) {
uint8_t V[] = {0x00, 0x00, 0x22, 0xC0, 0x80, 0x00, 0x01, 0x05, 0x58,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x07};
uint64_t Size = sizeof(V);
Expected<XCOFFTracebackTable> TTOrErr = XCOFFTracebackTable::create(V, Size);
EXPECT_THAT_ERROR(
TTOrErr.takeError(),
FailedWithMessage(
"unexpected end of data at offset 0x12 while reading [0x10, 0x14)"));
EXPECT_EQ(Size, 16u);
}
TEST(XCOFFObjectFileTest, XCOFFTracebackTableTruncatedAtNumOfCtlAnchors) {
uint64_t Size = 19;
Expected<XCOFFTracebackTable> TTOrErr =
XCOFFTracebackTable::create(TBTableData, Size);
EXPECT_THAT_ERROR(
TTOrErr.takeError(),
FailedWithMessage(
"unexpected end of data at offset 0x13 while reading [0x10, 0x14)"));
EXPECT_EQ(Size, 16u);
}
TEST(XCOFFObjectFileTest,
XCOFFTracebackTableTruncatedAtControlledStorageInfoDisp) {
uint64_t Size = 21;
Expected<XCOFFTracebackTable> TTOrErr =
XCOFFTracebackTable::create(TBTableData, Size);
EXPECT_THAT_ERROR(
TTOrErr.takeError(),
FailedWithMessage(
"unexpected end of data at offset 0x15 while reading [0x14, 0x18)"));
EXPECT_EQ(Size, 20u);
}
TEST(XCOFFObjectFileTest, XCOFFTracebackTableTruncatedAtNameLen) {
uint64_t Size = 29;
Expected<XCOFFTracebackTable> TTOrErr =
XCOFFTracebackTable::create(TBTableData, Size);
EXPECT_THAT_ERROR(
TTOrErr.takeError(),
FailedWithMessage(
"unexpected end of data at offset 0x1d while reading [0x1c, 0x1e)"));
EXPECT_EQ(Size, 28u);
}
TEST(XCOFFObjectFileTest, XCOFFTracebackTableTruncatedAtFunctionName) {
uint64_t Size = 36;
Expected<XCOFFTracebackTable> TTOrErr =
XCOFFTracebackTable::create(TBTableData, Size);
EXPECT_THAT_ERROR(
TTOrErr.takeError(),
FailedWithMessage(
"unexpected end of data at offset 0x24 while reading [0x1e, 0x25)"));
EXPECT_EQ(Size, 30u);
}
TEST(XCOFFObjectFileTest, XCOFFTracebackTableTruncatedAtAllocaUsed) {
uint64_t Size = 37;
Expected<XCOFFTracebackTable> TTOrErr =
XCOFFTracebackTable::create(TBTableData, Size);
EXPECT_THAT_ERROR(
TTOrErr.takeError(),
FailedWithMessage(
"unexpected end of data at offset 0x25 while reading [0x25, 0x26)"));
EXPECT_EQ(Size, 37u);
}
TEST(XCOFFObjectFileTest, XCOFFTracebackTableTruncatedAtVectorInfoData) {
uint64_t Size = 39;
Expected<XCOFFTracebackTable> TTOrErr =
XCOFFTracebackTable::create(TBTableData, Size);
EXPECT_THAT_ERROR(
TTOrErr.takeError(),
FailedWithMessage(
"unexpected end of data at offset 0x27 while reading [0x26, 0x2c)"));
EXPECT_EQ(Size, 38u);
}
TEST(XCOFFObjectFileTest, XCOFFTracebackTableTruncatedAtVectorInfoParmsInfo) {
uint64_t Size = 43;
Expected<XCOFFTracebackTable> TTOrErr =
XCOFFTracebackTable::create(TBTableData, Size);
EXPECT_THAT_ERROR(
TTOrErr.takeError(),
FailedWithMessage(
"unexpected end of data at offset 0x2b while reading [0x26, 0x2c)"));
EXPECT_EQ(Size, 38u);
}
TEST(XCOFFObjectFileTest, XCOFFTracebackTableTruncatedAtExtLongTBTable) {
uint64_t Size = 44;
Expected<XCOFFTracebackTable> TTOrErr =
XCOFFTracebackTable::create(TBTableData, Size);
EXPECT_THAT_ERROR(
TTOrErr.takeError(),
FailedWithMessage(
"unexpected end of data at offset 0x2c while reading [0x2c, 0x2d)"));
EXPECT_EQ(Size, 44u);
}