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llvm-project/lldb/unittests/Utility/ArchSpecTest.cpp

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//===-- ArchSpecTest.cpp ----------------------------------------*- C++ -*-===//
//
// 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 "gtest/gtest.h"
#include "lldb/Utility/ArchSpec.h"
#include "llvm/BinaryFormat/MachO.h"
#include "llvm/BinaryFormat/ELF.h"
using namespace lldb;
using namespace lldb_private;
TEST(ArchSpecTest, TestParseMachCPUDashSubtypeTripleSimple) {
// Success conditions. Valid cpu/subtype combinations using both - and .
ArchSpec AS;
EXPECT_TRUE(ParseMachCPUDashSubtypeTriple("12-10", AS));
EXPECT_EQ(12u, AS.GetMachOCPUType());
EXPECT_EQ(10u, AS.GetMachOCPUSubType());
AS = ArchSpec();
EXPECT_TRUE(ParseMachCPUDashSubtypeTriple("12-15", AS));
EXPECT_EQ(12u, AS.GetMachOCPUType());
EXPECT_EQ(15u, AS.GetMachOCPUSubType());
AS = ArchSpec();
EXPECT_TRUE(ParseMachCPUDashSubtypeTriple("12.15", AS));
EXPECT_EQ(12u, AS.GetMachOCPUType());
EXPECT_EQ(15u, AS.GetMachOCPUSubType());
// Failure conditions.
// Valid string, unknown cpu/subtype.
AS = ArchSpec();
EXPECT_TRUE(ParseMachCPUDashSubtypeTriple("13.11", AS));
EXPECT_EQ(0u, AS.GetMachOCPUType());
EXPECT_EQ(0u, AS.GetMachOCPUSubType());
// Missing / invalid cpu or subtype
AS = ArchSpec();
EXPECT_FALSE(ParseMachCPUDashSubtypeTriple("13", AS));
AS = ArchSpec();
EXPECT_FALSE(ParseMachCPUDashSubtypeTriple("13.A", AS));
AS = ArchSpec();
EXPECT_FALSE(ParseMachCPUDashSubtypeTriple("A.13", AS));
// Empty string.
AS = ArchSpec();
EXPECT_FALSE(ParseMachCPUDashSubtypeTriple("", AS));
}
TEST(ArchSpecTest, TestParseMachCPUDashSubtypeTripleExtra) {
ArchSpec AS;
EXPECT_TRUE(ParseMachCPUDashSubtypeTriple("12-15-vendor-os", AS));
EXPECT_EQ(12u, AS.GetMachOCPUType());
EXPECT_EQ(15u, AS.GetMachOCPUSubType());
EXPECT_EQ("vendor", AS.GetTriple().getVendorName());
EXPECT_EQ("os", AS.GetTriple().getOSName());
AS = ArchSpec();
EXPECT_TRUE(ParseMachCPUDashSubtypeTriple("12-10-vendor-os-name", AS));
EXPECT_EQ(12u, AS.GetMachOCPUType());
EXPECT_EQ(10u, AS.GetMachOCPUSubType());
EXPECT_EQ("vendor", AS.GetTriple().getVendorName());
EXPECT_EQ("os", AS.GetTriple().getOSName());
AS = ArchSpec();
EXPECT_TRUE(ParseMachCPUDashSubtypeTriple("12-15-vendor.os-name", AS));
EXPECT_EQ(12u, AS.GetMachOCPUType());
EXPECT_EQ(15u, AS.GetMachOCPUSubType());
EXPECT_EQ("vendor.os", AS.GetTriple().getVendorName());
EXPECT_EQ("name", AS.GetTriple().getOSName());
// These there should parse correctly, but the vendor / OS should be defaulted
// since they are unrecognized.
AS = ArchSpec();
EXPECT_TRUE(ParseMachCPUDashSubtypeTriple("12-10-vendor", AS));
EXPECT_EQ(12u, AS.GetMachOCPUType());
EXPECT_EQ(10u, AS.GetMachOCPUSubType());
EXPECT_EQ("apple", AS.GetTriple().getVendorName());
EXPECT_EQ("", AS.GetTriple().getOSName());
AS = ArchSpec();
EXPECT_FALSE(ParseMachCPUDashSubtypeTriple("12.10.10", AS));
AS = ArchSpec();
EXPECT_FALSE(ParseMachCPUDashSubtypeTriple("12-10.10", AS));
}
TEST(ArchSpecTest, TestSetTriple) {
ArchSpec AS;
// Various flavors of valid triples.
EXPECT_TRUE(AS.SetTriple("12-10-apple-darwin"));
EXPECT_EQ(uint32_t(llvm::MachO::CPU_TYPE_ARM), AS.GetMachOCPUType());
EXPECT_EQ(10u, AS.GetMachOCPUSubType());
EXPECT_TRUE(llvm::StringRef(AS.GetTriple().str())
.consume_front("armv7f-apple-darwin"));
EXPECT_EQ(ArchSpec::eCore_arm_armv7f, AS.GetCore());
AS = ArchSpec();
EXPECT_TRUE(AS.SetTriple("18.100-apple-darwin"));
EXPECT_EQ(uint32_t(llvm::MachO::CPU_TYPE_POWERPC), AS.GetMachOCPUType());
EXPECT_EQ(100u, AS.GetMachOCPUSubType());
EXPECT_TRUE(llvm::StringRef(AS.GetTriple().str())
.consume_front("powerpc-apple-darwin"));
EXPECT_EQ(ArchSpec::eCore_ppc_ppc970, AS.GetCore());
AS = ArchSpec();
EXPECT_TRUE(AS.SetTriple("i686-pc-windows"));
EXPECT_EQ(llvm::Triple::x86, AS.GetTriple().getArch());
EXPECT_EQ(llvm::Triple::PC, AS.GetTriple().getVendor());
EXPECT_EQ(llvm::Triple::Win32, AS.GetTriple().getOS());
EXPECT_TRUE(
llvm::StringRef(AS.GetTriple().str()).consume_front("i686-pc-windows"));
EXPECT_STREQ("i686", AS.GetArchitectureName());
EXPECT_EQ(ArchSpec::eCore_x86_32_i686, AS.GetCore());
// Various flavors of invalid triples.
AS = ArchSpec();
EXPECT_FALSE(AS.SetTriple("unknown-unknown-unknown"));
AS = ArchSpec();
EXPECT_FALSE(AS.SetTriple("unknown"));
AS = ArchSpec();
EXPECT_FALSE(AS.SetTriple(""));
}
TEST(ArchSpecTest, MergeFrom) {
{
ArchSpec A;
ArchSpec B("x86_64-pc-linux");
EXPECT_FALSE(A.IsValid());
ASSERT_TRUE(B.IsValid());
EXPECT_EQ(llvm::Triple::ArchType::x86_64, B.GetTriple().getArch());
EXPECT_EQ(llvm::Triple::VendorType::PC, B.GetTriple().getVendor());
EXPECT_EQ(llvm::Triple::OSType::Linux, B.GetTriple().getOS());
EXPECT_EQ(ArchSpec::eCore_x86_64_x86_64, B.GetCore());
A.MergeFrom(B);
ASSERT_TRUE(A.IsValid());
EXPECT_EQ(llvm::Triple::ArchType::x86_64, A.GetTriple().getArch());
EXPECT_EQ(llvm::Triple::VendorType::PC, A.GetTriple().getVendor());
EXPECT_EQ(llvm::Triple::OSType::Linux, A.GetTriple().getOS());
EXPECT_EQ(ArchSpec::eCore_x86_64_x86_64, A.GetCore());
}
{
ArchSpec A("aarch64");
ArchSpec B("aarch64--linux-android");
ArchSpec C("arm64_32");
ArchSpec D("arm64_32--watchos");
EXPECT_TRUE(A.IsValid());
EXPECT_TRUE(B.IsValid());
EXPECT_TRUE(C.IsValid());
EXPECT_TRUE(D.IsValid());
EXPECT_EQ(llvm::Triple::ArchType::aarch64, B.GetTriple().getArch());
EXPECT_EQ(llvm::Triple::VendorType::UnknownVendor,
B.GetTriple().getVendor());
EXPECT_EQ(llvm::Triple::OSType::Linux, B.GetTriple().getOS());
EXPECT_EQ(llvm::Triple::EnvironmentType::Android,
B.GetTriple().getEnvironment());
A.MergeFrom(B);
EXPECT_EQ(llvm::Triple::ArchType::aarch64, A.GetTriple().getArch());
EXPECT_EQ(llvm::Triple::VendorType::UnknownVendor,
A.GetTriple().getVendor());
EXPECT_EQ(llvm::Triple::OSType::Linux, A.GetTriple().getOS());
EXPECT_EQ(llvm::Triple::EnvironmentType::Android,
A.GetTriple().getEnvironment());
EXPECT_EQ(llvm::Triple::ArchType::aarch64_32, D.GetTriple().getArch());
EXPECT_EQ(llvm::Triple::VendorType::UnknownVendor,
D.GetTriple().getVendor());
EXPECT_EQ(llvm::Triple::OSType::WatchOS, D.GetTriple().getOS());
C.MergeFrom(D);
EXPECT_EQ(llvm::Triple::ArchType::aarch64_32, C.GetTriple().getArch());
EXPECT_EQ(llvm::Triple::VendorType::UnknownVendor,
C.GetTriple().getVendor());
EXPECT_EQ(llvm::Triple::OSType::WatchOS, C.GetTriple().getOS());
}
{
ArchSpec A, B;
A.SetArchitecture(eArchTypeELF, llvm::ELF::EM_ARM,
LLDB_INVALID_CPUTYPE, llvm::ELF::ELFOSABI_NONE);
B.SetArchitecture(eArchTypeELF, llvm::ELF::EM_ARM,
LLDB_INVALID_CPUTYPE, llvm::ELF::ELFOSABI_LINUX);
EXPECT_TRUE(A.IsValid());
EXPECT_TRUE(B.IsValid());
EXPECT_EQ(llvm::Triple::ArchType::arm, B.GetTriple().getArch());
EXPECT_EQ(llvm::Triple::VendorType::UnknownVendor,
B.GetTriple().getVendor());
EXPECT_EQ(llvm::Triple::OSType::Linux, B.GetTriple().getOS());
EXPECT_EQ(llvm::Triple::EnvironmentType::UnknownEnvironment,
B.GetTriple().getEnvironment());
A.MergeFrom(B);
EXPECT_EQ(llvm::Triple::ArchType::arm, A.GetTriple().getArch());
EXPECT_EQ(llvm::Triple::VendorType::UnknownVendor,
A.GetTriple().getVendor());
EXPECT_EQ(llvm::Triple::OSType::Linux, A.GetTriple().getOS());
EXPECT_EQ(llvm::Triple::EnvironmentType::UnknownEnvironment,
A.GetTriple().getEnvironment());
}
{
ArchSpec A("arm--linux-eabihf");
ArchSpec B("armv8l--linux-gnueabihf");
EXPECT_TRUE(A.IsValid());
EXPECT_TRUE(B.IsValid());
EXPECT_EQ(llvm::Triple::ArchType::arm, A.GetTriple().getArch());
EXPECT_EQ(llvm::Triple::ArchType::arm, B.GetTriple().getArch());
EXPECT_EQ(ArchSpec::eCore_arm_generic, A.GetCore());
EXPECT_EQ(ArchSpec::eCore_arm_armv8l, B.GetCore());
EXPECT_EQ(llvm::Triple::VendorType::UnknownVendor,
A.GetTriple().getVendor());
EXPECT_EQ(llvm::Triple::VendorType::UnknownVendor,
B.GetTriple().getVendor());
EXPECT_EQ(llvm::Triple::OSType::Linux, A.GetTriple().getOS());
EXPECT_EQ(llvm::Triple::OSType::Linux, B.GetTriple().getOS());
EXPECT_EQ(llvm::Triple::EnvironmentType::EABIHF,
A.GetTriple().getEnvironment());
EXPECT_EQ(llvm::Triple::EnvironmentType::GNUEABIHF,
B.GetTriple().getEnvironment());
A.MergeFrom(B);
EXPECT_EQ(llvm::Triple::ArchType::arm, A.GetTriple().getArch());
EXPECT_EQ(ArchSpec::eCore_arm_armv8l, A.GetCore());
EXPECT_EQ(llvm::Triple::VendorType::UnknownVendor,
A.GetTriple().getVendor());
EXPECT_EQ(llvm::Triple::OSType::Linux, A.GetTriple().getOS());
EXPECT_EQ(llvm::Triple::EnvironmentType::EABIHF,
A.GetTriple().getEnvironment());
}
}
TEST(ArchSpecTest, MergeFromMachOUnknown) {
class MyArchSpec : public ArchSpec {
public:
MyArchSpec() {
this->SetTriple("unknown-mach-64");
this->m_core = ArchSpec::eCore_uknownMach64;
this->m_byte_order = eByteOrderLittle;
this->m_flags = 0;
}
};
MyArchSpec A;
ASSERT_TRUE(A.IsValid());
MyArchSpec B;
ASSERT_TRUE(B.IsValid());
A.MergeFrom(B);
ASSERT_EQ(A.GetCore(), ArchSpec::eCore_uknownMach64);
}
TEST(ArchSpecTest, Compatibility) {
{
ArchSpec A("x86_64-apple-macosx10.12");
ArchSpec B("x86_64-apple-macosx10.12");
ASSERT_TRUE(A.IsExactMatch(B));
ASSERT_TRUE(A.IsCompatibleMatch(B));
}
{
// The version information is auxiliary to support availablity but
// doesn't affect compatibility.
ArchSpec A("x86_64-apple-macosx10.11");
ArchSpec B("x86_64-apple-macosx10.12");
ASSERT_TRUE(A.IsExactMatch(B));
ASSERT_TRUE(A.IsCompatibleMatch(B));
}
{
ArchSpec A("x86_64-apple-macosx10.13");
ArchSpec B("x86_64h-apple-macosx10.13");
ASSERT_FALSE(A.IsExactMatch(B));
ASSERT_TRUE(A.IsCompatibleMatch(B));
}
{
ArchSpec A("x86_64-apple-macosx");
ArchSpec B("x86_64-apple-ios-simulator");
ASSERT_FALSE(A.IsExactMatch(B));
ASSERT_FALSE(A.IsCompatibleMatch(B));
}
{
ArchSpec A("x86_64-*-*");
ArchSpec B("x86_64-apple-ios-simulator");
ASSERT_FALSE(A.IsExactMatch(B));
ASSERT_FALSE(A.IsCompatibleMatch(B));
}
{
ArchSpec A("arm64-*-*");
ArchSpec B("arm64-apple-ios");
ASSERT_FALSE(A.IsExactMatch(B));
// FIXME: This looks unintuitive and we should investigate whether
// this is the desired behavior.
ASSERT_FALSE(A.IsCompatibleMatch(B));
}
{
ArchSpec A("x86_64-*-*");
ArchSpec B("x86_64-apple-ios-simulator");
ASSERT_FALSE(A.IsExactMatch(B));
// FIXME: See above, though the extra environment complicates things.
ASSERT_FALSE(A.IsCompatibleMatch(B));
}
{
ArchSpec A("x86_64");
ArchSpec B("x86_64-apple-macosx10.14");
// FIXME: The exact match also looks unintuitive.
ASSERT_TRUE(A.IsExactMatch(B));
ASSERT_TRUE(A.IsCompatibleMatch(B));
}
}
TEST(ArchSpecTest, OperatorBool) {
EXPECT_FALSE(ArchSpec());
EXPECT_TRUE(ArchSpec("x86_64-pc-linux"));
}
TEST(ArchSpecTest, TripleComponentsWereSpecified) {
{
ArchSpec A("");
ArchSpec B("-");
ArchSpec C("--");
ArchSpec D("---");
ASSERT_FALSE(A.TripleVendorWasSpecified());
ASSERT_FALSE(A.TripleOSWasSpecified());
ASSERT_FALSE(A.TripleEnvironmentWasSpecified());
ASSERT_FALSE(B.TripleVendorWasSpecified());
ASSERT_FALSE(B.TripleOSWasSpecified());
ASSERT_FALSE(B.TripleEnvironmentWasSpecified());
ASSERT_FALSE(C.TripleVendorWasSpecified());
ASSERT_FALSE(C.TripleOSWasSpecified());
ASSERT_FALSE(C.TripleEnvironmentWasSpecified());
ASSERT_FALSE(D.TripleVendorWasSpecified());
ASSERT_FALSE(D.TripleOSWasSpecified());
ASSERT_FALSE(D.TripleEnvironmentWasSpecified());
}
{
// TODO: llvm::Triple::normalize treats the missing components from these
// triples as specified unknown components instead of unspecified
// components. We need to either change the behavior in llvm or work around
// this in lldb.
ArchSpec A("armv7");
ArchSpec B("armv7-");
ArchSpec C("armv7--");
ArchSpec D("armv7---");
ASSERT_FALSE(A.TripleVendorWasSpecified());
ASSERT_FALSE(A.TripleOSWasSpecified());
ASSERT_FALSE(A.TripleEnvironmentWasSpecified());
ASSERT_TRUE(B.TripleVendorWasSpecified());
ASSERT_FALSE(B.TripleOSWasSpecified());
ASSERT_FALSE(B.TripleEnvironmentWasSpecified());
ASSERT_TRUE(C.TripleVendorWasSpecified());
ASSERT_TRUE(C.TripleOSWasSpecified());
ASSERT_FALSE(C.TripleEnvironmentWasSpecified());
ASSERT_TRUE(D.TripleVendorWasSpecified());
ASSERT_TRUE(D.TripleOSWasSpecified());
ASSERT_TRUE(D.TripleEnvironmentWasSpecified());
}
{
ArchSpec A("x86_64-unknown");
ArchSpec B("powerpc-unknown-linux");
ArchSpec C("i386-pc-windows-msvc");
ArchSpec D("aarch64-unknown-linux-android");
ASSERT_TRUE(A.TripleVendorWasSpecified());
ASSERT_FALSE(A.TripleOSWasSpecified());
ASSERT_FALSE(A.TripleEnvironmentWasSpecified());
ASSERT_TRUE(B.TripleVendorWasSpecified());
ASSERT_TRUE(B.TripleOSWasSpecified());
ASSERT_FALSE(B.TripleEnvironmentWasSpecified());
ASSERT_TRUE(C.TripleVendorWasSpecified());
ASSERT_TRUE(C.TripleOSWasSpecified());
ASSERT_TRUE(C.TripleEnvironmentWasSpecified());
ASSERT_TRUE(D.TripleVendorWasSpecified());
ASSERT_TRUE(D.TripleOSWasSpecified());
ASSERT_TRUE(D.TripleEnvironmentWasSpecified());
}
}
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