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Finalize linker tests.

This commit is contained in:
Christian Speckner 2024-07-18 22:39:07 +02:00
parent 367bdeb56f
commit 1e4ab23283
1 changed files with 170 additions and 0 deletions
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170
src/emucore/elf/LinkerTest.cxx
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@ -858,4 +858,174 @@ TEST(ElfLinker, RodataSectionsGoToRodata) {
ElfFile::R_ARM_THM_CALL, ElfFile::R_ARM_THM_JUMP24 ElfFile::R_ARM_THM_CALL, ElfFile::R_ARM_THM_JUMP24
)); ));
class InitArrayTest: public testing::TestWithParam<uInt32> {
public:
InitArrayTest()
: fixture(1000), linker(0x00100000, 0x00200000, 0x00300000, fixture)
{}
protected:
uInt32 sectionType() const {
return GetParam();
}
string sectionName() const {
return sectionType() == ElfFile::SHT_INIT_ARRAY ? ".init_array" : ".preinit_array";
}
const vector<uInt32>& initArray() const {
return sectionType() == ElfFile::SHT_INIT_ARRAY ? linker.getInitArray() : linker.getPreinitArray();
}
ElfFixture fixture;
ElfLinker linker;
};
TEST_P(InitArrayTest, InitArrayWithBadSizeThrowsAnException) {
fixture
.addSection(sectionName(), sectionType(), 0, 3);
EXPECT_THROW(linker.link({}), ElfLinker::ElfLinkError);
}
TEST_P(InitArrayTest, InitArrayIsReadIntoVectorLittleEndian) {
fixture
.addSection(sectionName(), sectionType(), 0, 0x08)
.write32(0x00, 0x12345678)
.write32(0x04, 0xabcdef01);
linker.link({});
EXPECT_EQ(initArray().size(), static_cast<size_t>(2));
EXPECT_EQ(initArray()[0], static_cast<uInt32>(0x12345678));
EXPECT_EQ(initArray()[1], static_cast<uInt32>(0xabcdef01));
}
TEST_P(InitArrayTest, R_ARM_ABS32_RelocationsApplyToInitArray) {
fixture
.addSection(sectionName(), sectionType(), 0, 0x08)
.addSymbol("foo", 0xabcdef01, ElfFile::SHN_ABS)
.addRelocation(1, 0, 0x04, ElfFile::R_ARM_ABS32);
linker.link({});
EXPECT_EQ(initArray()[1], static_cast<uInt32>(0xabcdef01));
}
TEST_P(InitArrayTest, R_ARM_ABS32_RelocationsToInitArrayApplyAddend) {
fixture
.addSection(sectionName(), sectionType(), 0, 0x08)
.addSymbol("foo", 0xabcdef01, ElfFile::SHN_ABS)
.addRelocation(1, 0, 0x04, ElfFile::R_ARM_ABS32, 0xa0);
linker.link({});
EXPECT_EQ(initArray()[1], static_cast<uInt32>(0xabcdefa1));
}
TEST_P(InitArrayTest, R_ARM_ABS32_RelocationsToInitArrayUseCurrentValueAsAddend) {
fixture
.addSection(sectionName(), sectionType(), 0, 0x08)
.addSymbol("foo", 0xabcdef01, ElfFile::SHN_ABS)
.addRelocation(1, 0, 0x04, ElfFile::R_ARM_ABS32)
.write32(0x04, -0x0300);
linker.link({});
EXPECT_EQ(initArray()[1], static_cast<uInt32>(0xabcdec01));
}
TEST_P(InitArrayTest, R_ARM_ABS32_RelocationsToInitArrayThrowIfLocationLaysBeyondBoundary) {
fixture
.addSection(sectionName(), sectionType(), 0, 0x08)
.addSymbol("foo", 0xabcdef01, ElfFile::SHN_ABS)
.addRelocation(1, 0, 0x05, ElfFile::R_ARM_ABS32);
EXPECT_THROW(linker.link({}), ElfLinker::ElfLinkError);
}
TEST_P(InitArrayTest, R_ARM_ABS32_RelocationsToInitArrayThrowIfSymbolCannotBeResolved) {
fixture
.addSection(sectionName(), sectionType(), 0, 0x08)
.addSymbol("foo", 0xabcdef01, ElfFile::SHN_UND)
.addRelocation(1, 0, 0x04, ElfFile::R_ARM_ABS32);
EXPECT_THROW(linker.link({}), ElfLinker::ElfLinkError);
}
TEST_P(InitArrayTest, R_ARM_TARGET1_RelocationsApplyToInitArray) {
fixture
.addSection(sectionName(), sectionType(), 0, 0x08)
.addSymbol("foo", 0xabcdef01, ElfFile::SHN_ABS)
.addRelocation(1, 0, 0x04, ElfFile::R_ARM_TARGET1);
linker.link({});
EXPECT_EQ(initArray()[1], static_cast<uInt32>(0xabcdef01));
}
TEST_P(InitArrayTest, R_ARM_TARGET1_RelocationsToInitArrayApplyAddend) {
fixture
.addSection(sectionName(), sectionType(), 0, 0x08)
.addSymbol("foo", 0xabcdef01, ElfFile::SHN_ABS)
.addRelocation(1, 0, 0x04, ElfFile::R_ARM_TARGET1, 0xa0);
linker.link({});
EXPECT_EQ(initArray()[1], static_cast<uInt32>(0xabcdefa1));
}
TEST_P(InitArrayTest, R_ARM_TARGET1_RelocationsToInitArrayUseCurrentValueAsAddend) {
fixture
.addSection(sectionName(), sectionType(), 0, 0x08)
.addSymbol("foo", 0xabcdef01, ElfFile::SHN_ABS)
.addRelocation(1, 0, 0x04, ElfFile::R_ARM_TARGET1)
.write32(0x04, -0x0300);
linker.link({});
EXPECT_EQ(initArray()[1], static_cast<uInt32>(0xabcdec01));
}
TEST_P(InitArrayTest, R_ARM_TARGET1_RelocationsToInitArrayThrowIfLocationLaysBeyondBoundary) {
fixture
.addSection(sectionName(), sectionType(), 0, 0x08)
.addSymbol("foo", 0xabcdef01, ElfFile::SHN_ABS)
.addRelocation(1, 0, 0x05, ElfFile::R_ARM_TARGET1);
EXPECT_THROW(linker.link({}), ElfLinker::ElfLinkError);
}
TEST_P(InitArrayTest, R_ARM_TARGET1_RelocationsToInitArrayThrowIfSymbolCannotBeResolved) {
fixture
.addSection(sectionName(), sectionType(), 0, 0x08)
.addSymbol("foo", 0xabcdef01, ElfFile::SHN_UND)
.addRelocation(1, 0, 0x04, ElfFile::R_ARM_TARGET1);
EXPECT_THROW(linker.link({}), ElfLinker::ElfLinkError);
}
TEST_P(InitArrayTest, R_ARM_THM_CALL_Throws) {
fixture
.addSection(sectionName(), sectionType(), 0, 0x08)
.addSymbol("foo", 0x1000, ElfFile::SHN_ABS)
.addRelocation(1, 0, 0x04, ElfFile::R_ARM_THM_CALL)
.write32(0x04, 0xf800f000);
EXPECT_THROW(linker.link({}), ElfLinker::ElfLinkError);
}
TEST_P(InitArrayTest, R_ARM_THM_JUMP24_Throws) {
fixture
.addSection(sectionName(), sectionType(), 0, 0x08)
.addSymbol("foo", 0x1000, ElfFile::SHN_ABS)
.addRelocation(1, 0, 0x04, ElfFile::R_ARM_THM_JUMP24)
.write32(0x04, 0xf800f000);
EXPECT_THROW(linker.link({}), ElfLinker::ElfLinkError);
}
INSTANTIATE_TEST_SUITE_P(InitArraySuite, InitArrayTest, testing::Values(
ElfFile::SHT_INIT_ARRAY, ElfFile::SHT_PREINIT_ARRAY
));
} }