llvm/unittests/Support/CSKYAttributeParserTest.cpp

   1 //===----- unittests/CSKYAttributeParserTest.cpp --------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 #include "llvm/Support/CSKYAttributeParser.h"
   9 #include "llvm/Support/ARMBuildAttributes.h"
  10 #include "llvm/Support/ELFAttributes.h"
  11 #include "gtest/gtest.h"
  12 #include <string>
  13
  14 using namespace llvm;
  15
  16 struct CSKYAttributeSection {
  17   unsigned Tag;
  18   struct {
  19     unsigned IntValue;
  20     const char *StringValue;
  21   } Value;
  22
  23   CSKYAttributeSection(unsigned tag, unsigned value) : Tag(tag) {
  24     Value.IntValue = value;
  25   }
  26
  27   CSKYAttributeSection(unsigned tag, const char *value) : Tag(tag) {
  28     Value.StringValue = value;
  29   }
  30
  31   void writeInt(raw_ostream &OS) {
  32     OS.flush();
  33     // Format version.
  34     OS << 'A'
  35        // uint32_t = VendorHeaderSize + TagHeaderSize + ContentsSize.
  36        << (uint8_t)16 << (uint8_t)0 << (uint8_t)0
  37        << (uint8_t)0
  38        // CurrentVendor.
  39        << "csky"
  40        << '\0'
  41        // ELFAttrs::File.
  42        << (uint8_t)1
  43        // uint32_t = TagHeaderSize + ContentsSize.
  44        << (uint8_t)6 << (uint8_t)0 << (uint8_t)0
  45        << (uint8_t)0
  46        // Tag
  47        << (uint8_t)Tag
  48        // IntValue
  49        << (uint8_t)Value.IntValue;
  50   }
  51
  52   void writeString(raw_ostream &OS) {
  53     OS.flush();
  54     // Format version.
  55     OS << 'A'
  56        // uint32_t = VendorHeaderSize + TagHeaderSize + ContentsSize.
  57        << (uint8_t)(16 + strlen(Value.StringValue)) << (uint8_t)0 << (uint8_t)0
  58        << (uint8_t)0
  59        // CurrentVendor.
  60        << "csky"
  61        << '\0'
  62        // ELFAttrs::File.
  63        << (uint8_t)1
  64        // uint32_t = TagHeaderSize + ContentsSize.
  65        << (uint8_t)(6 + strlen(Value.StringValue)) << (uint8_t)0 << (uint8_t)0
  66        << (uint8_t)0
  67        // Tag
  68        << (uint8_t)Tag
  69        // StringValue
  70        << Value.StringValue << '\0';
  71   }
  72 };
  73
  74 static bool testAttributeInt(unsigned Tag, unsigned Value, unsigned ExpectedTag,
  75                              unsigned ExpectedValue) {
  76   std::string buffer;
  77   raw_string_ostream OS(buffer);
  78   CSKYAttributeSection Section(Tag, Value);
  79   Section.writeInt(OS);
  80   ArrayRef<uint8_t> Bytes(reinterpret_cast<const uint8_t *>(OS.str().c_str()),
  81                           OS.str().size());
  82
  83   CSKYAttributeParser Parser;
  84   cantFail(Parser.parse(Bytes, llvm::endianness::little));
  85
  86   std::optional<unsigned> Attr = Parser.getAttributeValue(ExpectedTag);
  87   return Attr && *Attr == ExpectedValue;
  88 }
  89
  90 static bool testAttributeString(unsigned Tag, const char *Value,
  91                                 unsigned ExpectedTag,
  92                                 const char *ExpectedValue) {
  93   std::string buffer;
  94   raw_string_ostream OS(buffer);
  95   CSKYAttributeSection Section(Tag, Value);
  96   Section.writeString(OS);
  97   ArrayRef<uint8_t> Bytes(reinterpret_cast<const uint8_t *>(OS.str().c_str()),
  98                           OS.str().size());
  99
 100   CSKYAttributeParser Parser;
 101   cantFail(Parser.parse(Bytes, llvm::endianness::little));
 102
 103   std::optional<StringRef> Attr = Parser.getAttributeString(ExpectedTag);
 104   return Attr && *Attr == ExpectedValue;
 105 }
 106
 107 static void testParseError(unsigned Tag, unsigned Value, const char *msg) {
 108   std::string buffer;
 109   raw_string_ostream OS(buffer);
 110   CSKYAttributeSection Section(Tag, Value);
 111   Section.writeInt(OS);
 112   ArrayRef<uint8_t> Bytes(reinterpret_cast<const uint8_t *>(OS.str().c_str()),
 113                           OS.str().size());
 114
 115   CSKYAttributeParser Parser;
 116   Error e = Parser.parse(Bytes, llvm::endianness::little);
 117   EXPECT_STREQ(toString(std::move(e)).c_str(), msg);
 118 }
 119
 120 static bool testTagString(unsigned Tag, const char *name) {
 121   return ELFAttrs::attrTypeAsString(Tag, CSKYAttrs::getCSKYAttributeTags())
 122              .str() == name;
 123 }
 124
 125 TEST(ArchName, testAttribute) {
 126   EXPECT_TRUE(testTagString(4, "Tag_CSKY_ARCH_NAME"));
 127   EXPECT_TRUE(
 128       testAttributeString(4, "ck860", CSKYAttrs::CSKY_ARCH_NAME, "ck860"));
 129   EXPECT_FALSE(
 130       testAttributeString(4, "ck86", CSKYAttrs::CSKY_ARCH_NAME, "ck60"));
 131 }
 132
 133 TEST(CPUName, testAttribute) {
 134   EXPECT_TRUE(testTagString(5, "Tag_CSKY_CPU_NAME"));
 135   EXPECT_TRUE(
 136       testAttributeString(5, "ck860fv", CSKYAttrs::CSKY_CPU_NAME, "ck860fv"));
 137   EXPECT_FALSE(
 138       testAttributeString(5, "ck860", CSKYAttrs::CSKY_CPU_NAME, "ck860fv"));
 139 }
 140
 141 TEST(DSPVersion, testAttribute) {
 142   EXPECT_TRUE(testTagString(8, "Tag_CSKY_DSP_VERSION"));
 143   EXPECT_TRUE(testAttributeInt(8, 1, CSKYAttrs::CSKY_DSP_VERSION,
 144                                CSKYAttrs::DSP_VERSION_EXTENSION));
 145   EXPECT_TRUE(testAttributeInt(8, 2, CSKYAttrs::CSKY_DSP_VERSION,
 146                                CSKYAttrs::DSP_VERSION_2));
 147   EXPECT_FALSE(testAttributeInt(8, 0, CSKYAttrs::CSKY_DSP_VERSION,
 148                                 CSKYAttrs::DSP_VERSION_EXTENSION));
 149   testParseError(8, 3, "unknown Tag_CSKY_DSP_VERSION value: 3");
 150 }
 151
 152 TEST(VDSPVersion, testAttribute) {
 153   EXPECT_TRUE(testTagString(9, "Tag_CSKY_VDSP_VERSION"));
 154   EXPECT_TRUE(testAttributeInt(9, 1, CSKYAttrs::CSKY_VDSP_VERSION,
 155                                CSKYAttrs::VDSP_VERSION_1));
 156   EXPECT_TRUE(testAttributeInt(9, 2, CSKYAttrs::CSKY_VDSP_VERSION,
 157                                CSKYAttrs::VDSP_VERSION_2));
 158   EXPECT_FALSE(testAttributeInt(9, 0, CSKYAttrs::CSKY_VDSP_VERSION,
 159                                 CSKYAttrs::VDSP_VERSION_2));
 160   testParseError(9, 3, "unknown Tag_CSKY_VDSP_VERSION value: 3");
 161 }
 162
 163 TEST(FPUVersion, testAttribute) {
 164   EXPECT_TRUE(testTagString(16, "Tag_CSKY_FPU_VERSION"));
 165   EXPECT_TRUE(testAttributeInt(16, 1, CSKYAttrs::CSKY_FPU_VERSION,
 166                                CSKYAttrs::FPU_VERSION_1));
 167   EXPECT_TRUE(testAttributeInt(16, 2, CSKYAttrs::CSKY_FPU_VERSION,
 168                                CSKYAttrs::FPU_VERSION_2));
 169   EXPECT_TRUE(testAttributeInt(16, 3, CSKYAttrs::CSKY_FPU_VERSION,
 170                                CSKYAttrs::FPU_VERSION_3));
 171   EXPECT_FALSE(testAttributeInt(16, 0, CSKYAttrs::CSKY_FPU_VERSION,
 172                                 CSKYAttrs::FPU_VERSION_3));
 173   testParseError(16, 4, "unknown Tag_CSKY_FPU_VERSION value: 4");
 174 }
 175
 176 TEST(FPUABI, testAttribute) {
 177   EXPECT_TRUE(testTagString(17, "Tag_CSKY_FPU_ABI"));
 178   EXPECT_TRUE(testAttributeInt(17, 1, CSKYAttrs::CSKY_FPU_ABI,
 179                                CSKYAttrs::FPU_ABI_SOFT));
 180   EXPECT_TRUE(testAttributeInt(17, 2, CSKYAttrs::CSKY_FPU_ABI,
 181                                CSKYAttrs::FPU_ABI_SOFTFP));
 182   EXPECT_TRUE(testAttributeInt(17, 3, CSKYAttrs::CSKY_FPU_ABI,
 183                                CSKYAttrs::FPU_ABI_HARD));
 184   EXPECT_FALSE(testAttributeInt(17, 0, CSKYAttrs::CSKY_FPU_ABI,
 185                                 CSKYAttrs::FPU_ABI_HARD));
 186   testParseError(17, 4, "unknown Tag_CSKY_FPU_ABI value: 4");
 187 }
 188
 189 TEST(FPURounding, testAttribute) {
 190   EXPECT_TRUE(testTagString(18, "Tag_CSKY_FPU_ROUNDING"));
 191   EXPECT_TRUE(
 192       testAttributeInt(18, 0, CSKYAttrs::CSKY_FPU_ROUNDING, CSKYAttrs::NONE));
 193   EXPECT_TRUE(
 194       testAttributeInt(18, 1, CSKYAttrs::CSKY_FPU_ROUNDING, CSKYAttrs::NEEDED));
 195   testParseError(18, 2, "unknown Tag_CSKY_FPU_ROUNDING value: 2");
 196 }
 197
 198 TEST(FPUDenormal, testAttribute) {
 199   EXPECT_TRUE(testTagString(19, "Tag_CSKY_FPU_DENORMAL"));
 200   EXPECT_TRUE(
 201       testAttributeInt(19, 0, CSKYAttrs::CSKY_FPU_DENORMAL, CSKYAttrs::NONE));
 202   EXPECT_TRUE(
 203       testAttributeInt(19, 1, CSKYAttrs::CSKY_FPU_DENORMAL, CSKYAttrs::NEEDED));
 204   testParseError(19, 2, "unknown Tag_CSKY_FPU_DENORMAL value: 2");
 205 }
 206
 207 TEST(FPUException, testAttribute) {
 208   EXPECT_TRUE(testTagString(20, "Tag_CSKY_FPU_EXCEPTION"));
 209   EXPECT_TRUE(
 210       testAttributeInt(20, 0, CSKYAttrs::CSKY_FPU_EXCEPTION, CSKYAttrs::NONE));
 211   EXPECT_TRUE(testAttributeInt(20, 1, CSKYAttrs::CSKY_FPU_EXCEPTION,
 212                                CSKYAttrs::NEEDED));
 213   testParseError(20, 2, "unknown Tag_CSKY_FPU_EXCEPTION value: 2");
 214 }
 215
 216 TEST(FPUNumberModule, testAttribute) {
 217   EXPECT_TRUE(testTagString(21, "Tag_CSKY_FPU_NUMBER_MODULE"));
 218   EXPECT_TRUE(testAttributeString(
 219       21, "IEEE 754", CSKYAttrs::CSKY_FPU_NUMBER_MODULE, "IEEE 754"));
 220   EXPECT_FALSE(testAttributeString(
 221       21, "IEEE 755", CSKYAttrs::CSKY_FPU_NUMBER_MODULE, "IEEE 754"));
 222 }
 223
 224 TEST(FPUHardFP, testAttribute) {
 225   EXPECT_TRUE(testTagString(22, "Tag_CSKY_FPU_HARDFP"));
 226   EXPECT_TRUE(testAttributeInt(22, 1, CSKYAttrs::CSKY_FPU_HARDFP,
 227                                CSKYAttrs::FPU_HARDFP_HALF));
 228   EXPECT_TRUE(testAttributeInt(22, 2, CSKYAttrs::CSKY_FPU_HARDFP,
 229                                CSKYAttrs::FPU_HARDFP_SINGLE));
 230   EXPECT_TRUE(testAttributeInt(22, 4, CSKYAttrs::CSKY_FPU_HARDFP,
 231                                CSKYAttrs::FPU_HARDFP_DOUBLE));
 232   EXPECT_FALSE(testAttributeInt(22, 3, CSKYAttrs::CSKY_FPU_HARDFP,
 233                                 CSKYAttrs::FPU_HARDFP_DOUBLE));
 234   testParseError(22, 0, "unknown Tag_CSKY_FPU_HARDFP value: 0");
 235   testParseError(22, 8, "unknown Tag_CSKY_FPU_HARDFP value: 8");
 236 }