llvm/unittests/Support/ARMAttributeParser.cpp

   1 #include "llvm/Support/ARMAttributeParser.h"
   2 #include "llvm/Support/ARMBuildAttributes.h"
   3 #include "llvm/Support/ELFAttributes.h"
   4 #include "gtest/gtest.h"
   5 #include <string>
   6
   7 using namespace llvm;
   8
   9 struct AttributeSection {
  10   unsigned Tag;
  11   unsigned Value;
  12
  13   AttributeSection(unsigned tag, unsigned value) : Tag(tag), Value(value) { }
  14
  15   void write(raw_ostream &OS) {
  16     OS.flush();
  17     // length = length + "aeabi\0" + TagFile + ByteSize + Tag + Value;
  18     // length = 17 bytes
  19
  20     OS << 'A' << (uint8_t)17 << (uint8_t)0 << (uint8_t)0 << (uint8_t)0;
  21     OS << "aeabi" << '\0';
  22     OS << (uint8_t)1 << (uint8_t)7 << (uint8_t)0 << (uint8_t)0 << (uint8_t)0;
  23     OS << (uint8_t)Tag << (uint8_t)Value;
  24
  25   }
  26 };
  27
  28 bool testBuildAttr(unsigned Tag, unsigned Value,
  29                    unsigned ExpectedTag, unsigned ExpectedValue) {
  30   std::string buffer;
  31   raw_string_ostream OS(buffer);
  32   AttributeSection Section(Tag, Value);
  33   Section.write(OS);
  34   ArrayRef<uint8_t> Bytes(
  35     reinterpret_cast<const uint8_t*>(OS.str().c_str()), OS.str().size());
  36
  37   ARMAttributeParser Parser;
  38   cantFail(Parser.parse(Bytes, llvm::endianness::little));
  39
  40   std::optional<unsigned> Attr = Parser.getAttributeValue(ExpectedTag);
  41   return Attr && *Attr == ExpectedValue;
  42 }
  43
  44 void testParseError(ArrayRef<uint8_t> bytes, const char *msg) {
  45   ARMAttributeParser parser;
  46   Error e = parser.parse(bytes, llvm::endianness::little);
  47   EXPECT_STREQ(toString(std::move(e)).c_str(), msg);
  48 }
  49
  50 bool testTagString(unsigned Tag, const char *name) {
  51   return ELFAttrs::attrTypeAsString(Tag, ARMBuildAttrs::getARMAttributeTags())
  52              .str() == name;
  53 }
  54
  55 TEST(ARMAttributeParser, UnknownCPU_arch) {
  56   static const uint8_t bytes[] = {'A', 15, 0, 0, 0, 'a', 'e', 'a', 'b',
  57                                   'i', 0,  1, 7, 0, 0,   0,   6,   23};
  58   testParseError(bytes, "unknown CPU_arch value: 23");
  59 }
  60
  61 TEST(CPUArchBuildAttr, testBuildAttr) {
  62   EXPECT_TRUE(testTagString(6, "Tag_CPU_arch"));
  63
  64   EXPECT_TRUE(testBuildAttr(6, 0, ARMBuildAttrs::CPU_arch,
  65                             ARMBuildAttrs::Pre_v4));
  66   EXPECT_TRUE(testBuildAttr(6, 1, ARMBuildAttrs::CPU_arch,
  67                             ARMBuildAttrs::v4));
  68   EXPECT_TRUE(testBuildAttr(6, 2, ARMBuildAttrs::CPU_arch,
  69                                ARMBuildAttrs::v4T));
  70   EXPECT_TRUE(testBuildAttr(6, 3, ARMBuildAttrs::CPU_arch,
  71                                ARMBuildAttrs::v5T));
  72   EXPECT_TRUE(testBuildAttr(6, 4, ARMBuildAttrs::CPU_arch,
  73                                ARMBuildAttrs::v5TE));
  74   EXPECT_TRUE(testBuildAttr(6, 5, ARMBuildAttrs::CPU_arch,
  75                                ARMBuildAttrs::v5TEJ));
  76   EXPECT_TRUE(testBuildAttr(6, 6, ARMBuildAttrs::CPU_arch,
  77                                ARMBuildAttrs::v6));
  78   EXPECT_TRUE(testBuildAttr(6, 7, ARMBuildAttrs::CPU_arch,
  79                                ARMBuildAttrs::v6KZ));
  80   EXPECT_TRUE(testBuildAttr(6, 8, ARMBuildAttrs::CPU_arch,
  81                                ARMBuildAttrs::v6T2));
  82   EXPECT_TRUE(testBuildAttr(6, 9, ARMBuildAttrs::CPU_arch,
  83                                ARMBuildAttrs::v6K));
  84   EXPECT_TRUE(testBuildAttr(6, 10, ARMBuildAttrs::CPU_arch,
  85                                ARMBuildAttrs::v7));
  86   EXPECT_TRUE(testBuildAttr(6, 11, ARMBuildAttrs::CPU_arch,
  87                                ARMBuildAttrs::v6_M));
  88   EXPECT_TRUE(testBuildAttr(6, 12, ARMBuildAttrs::CPU_arch,
  89                                ARMBuildAttrs::v6S_M));
  90   EXPECT_TRUE(testBuildAttr(6, 13, ARMBuildAttrs::CPU_arch,
  91                                ARMBuildAttrs::v7E_M));
  92   EXPECT_TRUE(testBuildAttr(6, 14, ARMBuildAttrs::CPU_arch,
  93                                ARMBuildAttrs::v8_A));
  94   EXPECT_TRUE(testBuildAttr(6, 15, ARMBuildAttrs::CPU_arch,
  95                                ARMBuildAttrs::v8_R));
  96   EXPECT_TRUE(testBuildAttr(6, 16, ARMBuildAttrs::CPU_arch,
  97                                ARMBuildAttrs::v8_M_Base));
  98   EXPECT_TRUE(testBuildAttr(6, 17, ARMBuildAttrs::CPU_arch,
  99                                ARMBuildAttrs::v8_M_Main));
 100   EXPECT_TRUE(testBuildAttr(6, 21, ARMBuildAttrs::CPU_arch,
 101                                ARMBuildAttrs::v8_1_M_Main));
 102   EXPECT_TRUE(testBuildAttr(6, 22, ARMBuildAttrs::CPU_arch,
 103                                ARMBuildAttrs::v9_A));
 104
 105 }
 106
 107 TEST(CPUArchProfileBuildAttr, testBuildAttr) {
 108   EXPECT_TRUE(testTagString(7, "Tag_CPU_arch_profile"));
 109   EXPECT_TRUE(testBuildAttr(7, 'A', ARMBuildAttrs::CPU_arch_profile,
 110                                ARMBuildAttrs::ApplicationProfile));
 111   EXPECT_TRUE(testBuildAttr(7, 'R', ARMBuildAttrs::CPU_arch_profile,
 112                                ARMBuildAttrs::RealTimeProfile));
 113   EXPECT_TRUE(testBuildAttr(7, 'M', ARMBuildAttrs::CPU_arch_profile,
 114                                ARMBuildAttrs::MicroControllerProfile));
 115   EXPECT_TRUE(testBuildAttr(7, 'S', ARMBuildAttrs::CPU_arch_profile,
 116                                ARMBuildAttrs::SystemProfile));
 117 }
 118
 119 TEST(ARMISABuildAttr, testBuildAttr) {
 120   EXPECT_TRUE(testTagString(8, "Tag_ARM_ISA_use"));
 121   EXPECT_TRUE(testBuildAttr(8, 0, ARMBuildAttrs::ARM_ISA_use,
 122                                ARMBuildAttrs::Not_Allowed));
 123   EXPECT_TRUE(testBuildAttr(8, 1, ARMBuildAttrs::ARM_ISA_use,
 124                                ARMBuildAttrs::Allowed));
 125 }
 126
 127 TEST(ThumbISABuildAttr, testBuildAttr) {
 128   EXPECT_TRUE(testTagString(9, "Tag_THUMB_ISA_use"));
 129   EXPECT_TRUE(testBuildAttr(9, 0, ARMBuildAttrs::THUMB_ISA_use,
 130                                ARMBuildAttrs::Not_Allowed));
 131   EXPECT_TRUE(testBuildAttr(9, 1, ARMBuildAttrs::THUMB_ISA_use,
 132                                ARMBuildAttrs::Allowed));
 133   EXPECT_TRUE(testBuildAttr(9, 2, ARMBuildAttrs::THUMB_ISA_use,
 134                                ARMBuildAttrs::AllowThumb32));
 135   EXPECT_TRUE(testBuildAttr(9, 3, ARMBuildAttrs::THUMB_ISA_use,
 136                                ARMBuildAttrs::AllowThumbDerived));
 137 }
 138
 139 TEST(FPArchBuildAttr, testBuildAttr) {
 140   EXPECT_TRUE(testTagString(10, "Tag_FP_arch"));
 141   EXPECT_TRUE(testBuildAttr(10, 0, ARMBuildAttrs::FP_arch,
 142                                ARMBuildAttrs::Not_Allowed));
 143   EXPECT_TRUE(testBuildAttr(10, 1, ARMBuildAttrs::FP_arch,
 144                                ARMBuildAttrs::Allowed));
 145   EXPECT_TRUE(testBuildAttr(10, 2, ARMBuildAttrs::FP_arch,
 146                                ARMBuildAttrs::AllowFPv2));
 147   EXPECT_TRUE(testBuildAttr(10, 3, ARMBuildAttrs::FP_arch,
 148                                ARMBuildAttrs::AllowFPv3A));
 149   EXPECT_TRUE(testBuildAttr(10, 4, ARMBuildAttrs::FP_arch,
 150                                ARMBuildAttrs::AllowFPv3B));
 151   EXPECT_TRUE(testBuildAttr(10, 5, ARMBuildAttrs::FP_arch,
 152                                ARMBuildAttrs::AllowFPv4A));
 153   EXPECT_TRUE(testBuildAttr(10, 6, ARMBuildAttrs::FP_arch,
 154                                ARMBuildAttrs::AllowFPv4B));
 155   EXPECT_TRUE(testBuildAttr(10, 7, ARMBuildAttrs::FP_arch,
 156                                ARMBuildAttrs::AllowFPARMv8A));
 157   EXPECT_TRUE(testBuildAttr(10, 8, ARMBuildAttrs::FP_arch,
 158                                ARMBuildAttrs::AllowFPARMv8B));
 159 }
 160
 161 TEST(WMMXBuildAttr, testBuildAttr) {
 162   EXPECT_TRUE(testTagString(11, "Tag_WMMX_arch"));
 163   EXPECT_TRUE(testBuildAttr(11, 0, ARMBuildAttrs::WMMX_arch,
 164                             ARMBuildAttrs::Not_Allowed));
 165   EXPECT_TRUE(testBuildAttr(11, 1, ARMBuildAttrs::WMMX_arch,
 166                             ARMBuildAttrs::AllowWMMXv1));
 167   EXPECT_TRUE(testBuildAttr(11, 2, ARMBuildAttrs::WMMX_arch,
 168                             ARMBuildAttrs::AllowWMMXv2));
 169 }
 170
 171 TEST(SIMDBuildAttr, testBuildAttr) {
 172   EXPECT_TRUE(testTagString(12, "Tag_Advanced_SIMD_arch"));
 173   EXPECT_TRUE(testBuildAttr(12, 0, ARMBuildAttrs::Advanced_SIMD_arch,
 174                             ARMBuildAttrs::Not_Allowed));
 175   EXPECT_TRUE(testBuildAttr(12, 1, ARMBuildAttrs::Advanced_SIMD_arch,
 176                             ARMBuildAttrs::AllowNeon));
 177   EXPECT_TRUE(testBuildAttr(12, 2, ARMBuildAttrs::Advanced_SIMD_arch,
 178                             ARMBuildAttrs::AllowNeon2));
 179   EXPECT_TRUE(testBuildAttr(12, 3, ARMBuildAttrs::Advanced_SIMD_arch,
 180                             ARMBuildAttrs::AllowNeonARMv8));
 181   EXPECT_TRUE(testBuildAttr(12, 4, ARMBuildAttrs::Advanced_SIMD_arch,
 182                             ARMBuildAttrs::AllowNeonARMv8_1a));
 183 }
 184
 185 TEST(FPHPBuildAttr, testBuildAttr) {
 186   EXPECT_TRUE(testTagString(36, "Tag_FP_HP_extension"));
 187   EXPECT_TRUE(testBuildAttr(36, 0, ARMBuildAttrs::FP_HP_extension,
 188                             ARMBuildAttrs::Not_Allowed));
 189   EXPECT_TRUE(testBuildAttr(36, 1, ARMBuildAttrs::FP_HP_extension,
 190                             ARMBuildAttrs::AllowHPFP));
 191 }
 192
 193 TEST(MVEBuildAttr, testBuildAttr) {
 194   EXPECT_TRUE(testTagString(48, "Tag_MVE_arch"));
 195   EXPECT_TRUE(testBuildAttr(48, 0, ARMBuildAttrs::MVE_arch,
 196                             ARMBuildAttrs::Not_Allowed));
 197   EXPECT_TRUE(testBuildAttr(48, 1, ARMBuildAttrs::MVE_arch,
 198                             ARMBuildAttrs::AllowMVEInteger));
 199   EXPECT_TRUE(testBuildAttr(48, 2, ARMBuildAttrs::MVE_arch,
 200                             ARMBuildAttrs::AllowMVEIntegerAndFloat));
 201 }
 202
 203 TEST(CPUAlignBuildAttr, testBuildAttr) {
 204   EXPECT_TRUE(testTagString(34, "Tag_CPU_unaligned_access"));
 205   EXPECT_TRUE(testBuildAttr(34, 0, ARMBuildAttrs::CPU_unaligned_access,
 206                             ARMBuildAttrs::Not_Allowed));
 207   EXPECT_TRUE(testBuildAttr(34, 1, ARMBuildAttrs::CPU_unaligned_access,
 208                             ARMBuildAttrs::Allowed));
 209 }
 210
 211 TEST(T2EEBuildAttr, testBuildAttr) {
 212   EXPECT_TRUE(testTagString(66, "Tag_T2EE_use"));
 213   EXPECT_TRUE(testBuildAttr(66, 0, ARMBuildAttrs::T2EE_use,
 214                             ARMBuildAttrs::Not_Allowed));
 215   EXPECT_TRUE(testBuildAttr(66, 1, ARMBuildAttrs::T2EE_use,
 216                             ARMBuildAttrs::Allowed));
 217 }
 218
 219 TEST(VirtualizationBuildAttr, testBuildAttr) {
 220   EXPECT_TRUE(testTagString(68, "Tag_Virtualization_use"));
 221   EXPECT_TRUE(testBuildAttr(68, 0, ARMBuildAttrs::Virtualization_use,
 222                             ARMBuildAttrs::Not_Allowed));
 223   EXPECT_TRUE(testBuildAttr(68, 1, ARMBuildAttrs::Virtualization_use,
 224                             ARMBuildAttrs::AllowTZ));
 225   EXPECT_TRUE(testBuildAttr(68, 2, ARMBuildAttrs::Virtualization_use,
 226                             ARMBuildAttrs::AllowVirtualization));
 227   EXPECT_TRUE(testBuildAttr(68, 3, ARMBuildAttrs::Virtualization_use,
 228                             ARMBuildAttrs::AllowTZVirtualization));
 229 }
 230
 231 TEST(MPBuildAttr, testBuildAttr) {
 232   EXPECT_TRUE(testTagString(42, "Tag_MPextension_use"));
 233   EXPECT_TRUE(testBuildAttr(42, 0, ARMBuildAttrs::MPextension_use,
 234                             ARMBuildAttrs::Not_Allowed));
 235   EXPECT_TRUE(testBuildAttr(42, 1, ARMBuildAttrs::MPextension_use,
 236                             ARMBuildAttrs::AllowMP));
 237 }
 238
 239 TEST(DivBuildAttr, testBuildAttr) {
 240   EXPECT_TRUE(testTagString(44, "Tag_DIV_use"));
 241   EXPECT_TRUE(testBuildAttr(44, 0, ARMBuildAttrs::DIV_use,
 242                             ARMBuildAttrs::AllowDIVIfExists));
 243   EXPECT_TRUE(testBuildAttr(44, 1, ARMBuildAttrs::DIV_use,
 244                             ARMBuildAttrs::DisallowDIV));
 245   EXPECT_TRUE(testBuildAttr(44, 2, ARMBuildAttrs::DIV_use,
 246                             ARMBuildAttrs::AllowDIVExt));
 247 }
 248
 249 TEST(PCS_ConfigBuildAttr, testBuildAttr) {
 250   EXPECT_TRUE(testTagString(13, "Tag_PCS_config"));
 251   EXPECT_TRUE(testBuildAttr(13, 0, ARMBuildAttrs::PCS_config, 0));
 252   EXPECT_TRUE(testBuildAttr(13, 1, ARMBuildAttrs::PCS_config, 1));
 253   EXPECT_TRUE(testBuildAttr(13, 2, ARMBuildAttrs::PCS_config, 2));
 254   EXPECT_TRUE(testBuildAttr(13, 3, ARMBuildAttrs::PCS_config, 3));
 255   EXPECT_TRUE(testBuildAttr(13, 4, ARMBuildAttrs::PCS_config, 4));
 256   EXPECT_TRUE(testBuildAttr(13, 5, ARMBuildAttrs::PCS_config, 5));
 257   EXPECT_TRUE(testBuildAttr(13, 6, ARMBuildAttrs::PCS_config, 6));
 258   EXPECT_TRUE(testBuildAttr(13, 7, ARMBuildAttrs::PCS_config, 7));
 259 }
 260
 261 TEST(PCS_R9BuildAttr, testBuildAttr) {
 262   EXPECT_TRUE(testTagString(14, "Tag_ABI_PCS_R9_use"));
 263   EXPECT_TRUE(testBuildAttr(14, 0, ARMBuildAttrs::ABI_PCS_R9_use,
 264                             ARMBuildAttrs::R9IsGPR));
 265   EXPECT_TRUE(testBuildAttr(14, 1, ARMBuildAttrs::ABI_PCS_R9_use,
 266                             ARMBuildAttrs::R9IsSB));
 267   EXPECT_TRUE(testBuildAttr(14, 2, ARMBuildAttrs::ABI_PCS_R9_use,
 268                             ARMBuildAttrs::R9IsTLSPointer));
 269   EXPECT_TRUE(testBuildAttr(14, 3, ARMBuildAttrs::ABI_PCS_R9_use,
 270                             ARMBuildAttrs::R9Reserved));
 271 }
 272
 273 TEST(PCS_RWBuildAttr, testBuildAttr) {
 274   EXPECT_TRUE(testTagString(15, "Tag_ABI_PCS_RW_data"));
 275   EXPECT_TRUE(testBuildAttr(15, 0, ARMBuildAttrs::ABI_PCS_RW_data,
 276                             ARMBuildAttrs::Not_Allowed));
 277   EXPECT_TRUE(testBuildAttr(15, 1, ARMBuildAttrs::ABI_PCS_RW_data,
 278                             ARMBuildAttrs::AddressRWPCRel));
 279   EXPECT_TRUE(testBuildAttr(15, 2, ARMBuildAttrs::ABI_PCS_RW_data,
 280                             ARMBuildAttrs::AddressRWSBRel));
 281   EXPECT_TRUE(testBuildAttr(15, 3, ARMBuildAttrs::ABI_PCS_RW_data,
 282                             ARMBuildAttrs::AddressRWNone));
 283 }
 284
 285 TEST(PCS_ROBuildAttr, testBuildAttr) {
 286   EXPECT_TRUE(testTagString(16, "Tag_ABI_PCS_RO_data"));
 287   EXPECT_TRUE(testBuildAttr(16, 0, ARMBuildAttrs::ABI_PCS_RO_data,
 288                             ARMBuildAttrs::Not_Allowed));
 289   EXPECT_TRUE(testBuildAttr(16, 1, ARMBuildAttrs::ABI_PCS_RO_data,
 290                             ARMBuildAttrs::AddressROPCRel));
 291   EXPECT_TRUE(testBuildAttr(16, 2, ARMBuildAttrs::ABI_PCS_RO_data,
 292                             ARMBuildAttrs::AddressRONone));
 293 }
 294
 295 TEST(PCS_GOTBuildAttr, testBuildAttr) {
 296   EXPECT_TRUE(testTagString(17, "Tag_ABI_PCS_GOT_use"));
 297   EXPECT_TRUE(testBuildAttr(17, 0, ARMBuildAttrs::ABI_PCS_GOT_use,
 298                             ARMBuildAttrs::Not_Allowed));
 299   EXPECT_TRUE(testBuildAttr(17, 1, ARMBuildAttrs::ABI_PCS_GOT_use,
 300                             ARMBuildAttrs::AddressDirect));
 301   EXPECT_TRUE(testBuildAttr(17, 2, ARMBuildAttrs::ABI_PCS_GOT_use,
 302                             ARMBuildAttrs::AddressGOT));
 303 }
 304
 305 TEST(PCS_WCharBuildAttr, testBuildAttr) {
 306   EXPECT_TRUE(testTagString(18, "Tag_ABI_PCS_wchar_t"));
 307   EXPECT_TRUE(testBuildAttr(18, 0, ARMBuildAttrs::ABI_PCS_wchar_t,
 308                             ARMBuildAttrs::WCharProhibited));
 309   EXPECT_TRUE(testBuildAttr(18, 2, ARMBuildAttrs::ABI_PCS_wchar_t,
 310                             ARMBuildAttrs::WCharWidth2Bytes));
 311   EXPECT_TRUE(testBuildAttr(18, 4, ARMBuildAttrs::ABI_PCS_wchar_t,
 312                             ARMBuildAttrs::WCharWidth4Bytes));
 313 }
 314
 315 TEST(EnumSizeBuildAttr, testBuildAttr) {
 316   EXPECT_TRUE(testTagString(26, "Tag_ABI_enum_size"));
 317   EXPECT_TRUE(testBuildAttr(26, 0, ARMBuildAttrs::ABI_enum_size,
 318                             ARMBuildAttrs::EnumProhibited));
 319   EXPECT_TRUE(testBuildAttr(26, 1, ARMBuildAttrs::ABI_enum_size,
 320                             ARMBuildAttrs::EnumSmallest));
 321   EXPECT_TRUE(testBuildAttr(26, 2, ARMBuildAttrs::ABI_enum_size,
 322                             ARMBuildAttrs::Enum32Bit));
 323   EXPECT_TRUE(testBuildAttr(26, 3, ARMBuildAttrs::ABI_enum_size,
 324                             ARMBuildAttrs::Enum32BitABI));
 325 }
 326
 327 TEST(AlignNeededBuildAttr, testBuildAttr) {
 328   EXPECT_TRUE(testTagString(24, "Tag_ABI_align_needed"));
 329   EXPECT_TRUE(testBuildAttr(24, 0, ARMBuildAttrs::ABI_align_needed,
 330                             ARMBuildAttrs::Not_Allowed));
 331   EXPECT_TRUE(testBuildAttr(24, 1, ARMBuildAttrs::ABI_align_needed,
 332                             ARMBuildAttrs::Align8Byte));
 333   EXPECT_TRUE(testBuildAttr(24, 2, ARMBuildAttrs::ABI_align_needed,
 334                             ARMBuildAttrs::Align4Byte));
 335   EXPECT_TRUE(testBuildAttr(24, 3, ARMBuildAttrs::ABI_align_needed,
 336                             ARMBuildAttrs::AlignReserved));
 337 }
 338
 339 TEST(AlignPreservedBuildAttr, testBuildAttr) {
 340   EXPECT_TRUE(testTagString(25, "Tag_ABI_align_preserved"));
 341   EXPECT_TRUE(testBuildAttr(25, 0, ARMBuildAttrs::ABI_align_preserved,
 342                             ARMBuildAttrs::AlignNotPreserved));
 343   EXPECT_TRUE(testBuildAttr(25, 1, ARMBuildAttrs::ABI_align_preserved,
 344                             ARMBuildAttrs::AlignPreserve8Byte));
 345   EXPECT_TRUE(testBuildAttr(25, 2, ARMBuildAttrs::ABI_align_preserved,
 346                             ARMBuildAttrs::AlignPreserveAll));
 347   EXPECT_TRUE(testBuildAttr(25, 3, ARMBuildAttrs::ABI_align_preserved,
 348                             ARMBuildAttrs::AlignReserved));
 349 }
 350
 351 TEST(FPRoundingBuildAttr, testBuildAttr) {
 352   EXPECT_TRUE(testTagString(19, "Tag_ABI_FP_rounding"));
 353   EXPECT_TRUE(testBuildAttr(19, 0, ARMBuildAttrs::ABI_FP_rounding, 0));
 354   EXPECT_TRUE(testBuildAttr(19, 1, ARMBuildAttrs::ABI_FP_rounding, 1));
 355 }
 356
 357 TEST(FPDenormalBuildAttr, testBuildAttr) {
 358   EXPECT_TRUE(testTagString(20, "Tag_ABI_FP_denormal"));
 359   EXPECT_TRUE(testBuildAttr(20, 0, ARMBuildAttrs::ABI_FP_denormal,
 360                             ARMBuildAttrs::PositiveZero));
 361   EXPECT_TRUE(testBuildAttr(20, 1, ARMBuildAttrs::ABI_FP_denormal,
 362                             ARMBuildAttrs::IEEEDenormals));
 363   EXPECT_TRUE(testBuildAttr(20, 2, ARMBuildAttrs::ABI_FP_denormal,
 364                             ARMBuildAttrs::PreserveFPSign));
 365 }
 366
 367 TEST(FPExceptionsBuildAttr, testBuildAttr) {
 368   EXPECT_TRUE(testTagString(21, "Tag_ABI_FP_exceptions"));
 369   EXPECT_TRUE(testBuildAttr(21, 0, ARMBuildAttrs::ABI_FP_exceptions, 0));
 370   EXPECT_TRUE(testBuildAttr(21, 1, ARMBuildAttrs::ABI_FP_exceptions, 1));
 371 }
 372
 373 TEST(FPUserExceptionsBuildAttr, testBuildAttr) {
 374   EXPECT_TRUE(testTagString(22, "Tag_ABI_FP_user_exceptions"));
 375   EXPECT_TRUE(testBuildAttr(22, 0, ARMBuildAttrs::ABI_FP_user_exceptions, 0));
 376   EXPECT_TRUE(testBuildAttr(22, 1, ARMBuildAttrs::ABI_FP_user_exceptions, 1));
 377 }
 378
 379 TEST(FPNumberModelBuildAttr, testBuildAttr) {
 380   EXPECT_TRUE(testTagString(23, "Tag_ABI_FP_number_model"));
 381   EXPECT_TRUE(testBuildAttr(23, 0, ARMBuildAttrs::ABI_FP_number_model,
 382                             ARMBuildAttrs::Not_Allowed));
 383   EXPECT_TRUE(testBuildAttr(23, 1, ARMBuildAttrs::ABI_FP_number_model,
 384                             ARMBuildAttrs::AllowIEEENormal));
 385   EXPECT_TRUE(testBuildAttr(23, 2, ARMBuildAttrs::ABI_FP_number_model,
 386                             ARMBuildAttrs::AllowRTABI));
 387   EXPECT_TRUE(testBuildAttr(23, 3, ARMBuildAttrs::ABI_FP_number_model,
 388                             ARMBuildAttrs::AllowIEEE754));
 389 }
 390
 391 TEST(FP16BuildAttr, testBuildAttr) {
 392   EXPECT_TRUE(testTagString(38, "Tag_ABI_FP_16bit_format"));
 393   EXPECT_TRUE(testBuildAttr(38, 0, ARMBuildAttrs::ABI_FP_16bit_format,
 394                             ARMBuildAttrs::Not_Allowed));
 395   EXPECT_TRUE(testBuildAttr(38, 1, ARMBuildAttrs::ABI_FP_16bit_format,
 396                             ARMBuildAttrs::FP16FormatIEEE));
 397   EXPECT_TRUE(testBuildAttr(38, 2, ARMBuildAttrs::ABI_FP_16bit_format,
 398                             ARMBuildAttrs::FP16VFP3));
 399 }
 400
 401 TEST(HardFPBuildAttr, testBuildAttr) {
 402   EXPECT_TRUE(testTagString(27, "Tag_ABI_HardFP_use"));
 403   EXPECT_TRUE(testBuildAttr(27, 0, ARMBuildAttrs::ABI_HardFP_use,
 404                             ARMBuildAttrs::HardFPImplied));
 405   EXPECT_TRUE(testBuildAttr(27, 1, ARMBuildAttrs::ABI_HardFP_use,
 406                             ARMBuildAttrs::HardFPSinglePrecision));
 407   EXPECT_TRUE(testBuildAttr(27, 2, ARMBuildAttrs::ABI_HardFP_use, 2));
 408 }
 409
 410 TEST(VFPArgsBuildAttr, testBuildAttr) {
 411   EXPECT_TRUE(testTagString(28, "Tag_ABI_VFP_args"));
 412   EXPECT_TRUE(testBuildAttr(28, 0, ARMBuildAttrs::ABI_VFP_args,
 413                             ARMBuildAttrs::BaseAAPCS));
 414   EXPECT_TRUE(testBuildAttr(28, 1, ARMBuildAttrs::ABI_VFP_args,
 415                             ARMBuildAttrs::HardFPAAPCS));
 416   EXPECT_TRUE(testBuildAttr(28, 2, ARMBuildAttrs::ABI_VFP_args, 2));
 417   EXPECT_TRUE(testBuildAttr(28, 3, ARMBuildAttrs::ABI_VFP_args, 3));
 418 }
 419
 420 TEST(WMMXArgsBuildAttr, testBuildAttr) {
 421   EXPECT_TRUE(testTagString(29, "Tag_ABI_WMMX_args"));
 422   EXPECT_TRUE(testBuildAttr(29, 0, ARMBuildAttrs::ABI_WMMX_args, 0));
 423   EXPECT_TRUE(testBuildAttr(29, 1, ARMBuildAttrs::ABI_WMMX_args, 1));
 424   EXPECT_TRUE(testBuildAttr(29, 2, ARMBuildAttrs::ABI_WMMX_args, 2));
 425 }