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, support::little));
39 
40   Optional<unsigned> Attr = Parser.getAttributeValue(ExpectedTag);
41   return Attr.hasValue() && Attr.getValue() == ExpectedValue;
42 }
43 
44 void testParseError(ArrayRef<uint8_t> bytes, const char *msg) {
45   ARMAttributeParser parser;
46   Error e = parser.parse(bytes, support::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::ARMAttributeTags)
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,   22};
58   testParseError(bytes, "unknown CPU_arch value: 22");
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 }
103 
104 TEST(CPUArchProfileBuildAttr, testBuildAttr) {
105   EXPECT_TRUE(testTagString(7, "Tag_CPU_arch_profile"));
106   EXPECT_TRUE(testBuildAttr(7, 'A', ARMBuildAttrs::CPU_arch_profile,
107                                ARMBuildAttrs::ApplicationProfile));
108   EXPECT_TRUE(testBuildAttr(7, 'R', ARMBuildAttrs::CPU_arch_profile,
109                                ARMBuildAttrs::RealTimeProfile));
110   EXPECT_TRUE(testBuildAttr(7, 'M', ARMBuildAttrs::CPU_arch_profile,
111                                ARMBuildAttrs::MicroControllerProfile));
112   EXPECT_TRUE(testBuildAttr(7, 'S', ARMBuildAttrs::CPU_arch_profile,
113                                ARMBuildAttrs::SystemProfile));
114 }
115 
116 TEST(ARMISABuildAttr, testBuildAttr) {
117   EXPECT_TRUE(testTagString(8, "Tag_ARM_ISA_use"));
118   EXPECT_TRUE(testBuildAttr(8, 0, ARMBuildAttrs::ARM_ISA_use,
119                                ARMBuildAttrs::Not_Allowed));
120   EXPECT_TRUE(testBuildAttr(8, 1, ARMBuildAttrs::ARM_ISA_use,
121                                ARMBuildAttrs::Allowed));
122 }
123 
124 TEST(ThumbISABuildAttr, testBuildAttr) {
125   EXPECT_TRUE(testTagString(9, "Tag_THUMB_ISA_use"));
126   EXPECT_TRUE(testBuildAttr(9, 0, ARMBuildAttrs::THUMB_ISA_use,
127                                ARMBuildAttrs::Not_Allowed));
128   EXPECT_TRUE(testBuildAttr(9, 1, ARMBuildAttrs::THUMB_ISA_use,
129                                ARMBuildAttrs::Allowed));
130 }
131 
132 TEST(FPArchBuildAttr, testBuildAttr) {
133   EXPECT_TRUE(testTagString(10, "Tag_FP_arch"));
134   EXPECT_TRUE(testBuildAttr(10, 0, ARMBuildAttrs::FP_arch,
135                                ARMBuildAttrs::Not_Allowed));
136   EXPECT_TRUE(testBuildAttr(10, 1, ARMBuildAttrs::FP_arch,
137                                ARMBuildAttrs::Allowed));
138   EXPECT_TRUE(testBuildAttr(10, 2, ARMBuildAttrs::FP_arch,
139                                ARMBuildAttrs::AllowFPv2));
140   EXPECT_TRUE(testBuildAttr(10, 3, ARMBuildAttrs::FP_arch,
141                                ARMBuildAttrs::AllowFPv3A));
142   EXPECT_TRUE(testBuildAttr(10, 4, ARMBuildAttrs::FP_arch,
143                                ARMBuildAttrs::AllowFPv3B));
144   EXPECT_TRUE(testBuildAttr(10, 5, ARMBuildAttrs::FP_arch,
145                                ARMBuildAttrs::AllowFPv4A));
146   EXPECT_TRUE(testBuildAttr(10, 6, ARMBuildAttrs::FP_arch,
147                                ARMBuildAttrs::AllowFPv4B));
148   EXPECT_TRUE(testBuildAttr(10, 7, ARMBuildAttrs::FP_arch,
149                                ARMBuildAttrs::AllowFPARMv8A));
150   EXPECT_TRUE(testBuildAttr(10, 8, ARMBuildAttrs::FP_arch,
151                                ARMBuildAttrs::AllowFPARMv8B));
152 }
153 
154 TEST(WMMXBuildAttr, testBuildAttr) {
155   EXPECT_TRUE(testTagString(11, "Tag_WMMX_arch"));
156   EXPECT_TRUE(testBuildAttr(11, 0, ARMBuildAttrs::WMMX_arch,
157                             ARMBuildAttrs::Not_Allowed));
158   EXPECT_TRUE(testBuildAttr(11, 1, ARMBuildAttrs::WMMX_arch,
159                             ARMBuildAttrs::AllowWMMXv1));
160   EXPECT_TRUE(testBuildAttr(11, 2, ARMBuildAttrs::WMMX_arch,
161                             ARMBuildAttrs::AllowWMMXv2));
162 }
163 
164 TEST(SIMDBuildAttr, testBuildAttr) {
165   EXPECT_TRUE(testTagString(12, "Tag_Advanced_SIMD_arch"));
166   EXPECT_TRUE(testBuildAttr(12, 0, ARMBuildAttrs::Advanced_SIMD_arch,
167                             ARMBuildAttrs::Not_Allowed));
168   EXPECT_TRUE(testBuildAttr(12, 1, ARMBuildAttrs::Advanced_SIMD_arch,
169                             ARMBuildAttrs::AllowNeon));
170   EXPECT_TRUE(testBuildAttr(12, 2, ARMBuildAttrs::Advanced_SIMD_arch,
171                             ARMBuildAttrs::AllowNeon2));
172   EXPECT_TRUE(testBuildAttr(12, 3, ARMBuildAttrs::Advanced_SIMD_arch,
173                             ARMBuildAttrs::AllowNeonARMv8));
174   EXPECT_TRUE(testBuildAttr(12, 4, ARMBuildAttrs::Advanced_SIMD_arch,
175                             ARMBuildAttrs::AllowNeonARMv8_1a));
176 }
177 
178 TEST(FPHPBuildAttr, testBuildAttr) {
179   EXPECT_TRUE(testTagString(36, "Tag_FP_HP_extension"));
180   EXPECT_TRUE(testBuildAttr(36, 0, ARMBuildAttrs::FP_HP_extension,
181                             ARMBuildAttrs::Not_Allowed));
182   EXPECT_TRUE(testBuildAttr(36, 1, ARMBuildAttrs::FP_HP_extension,
183                             ARMBuildAttrs::AllowHPFP));
184 }
185 
186 TEST(MVEBuildAttr, testBuildAttr) {
187   EXPECT_TRUE(testTagString(48, "Tag_MVE_arch"));
188   EXPECT_TRUE(testBuildAttr(48, 0, ARMBuildAttrs::MVE_arch,
189                             ARMBuildAttrs::Not_Allowed));
190   EXPECT_TRUE(testBuildAttr(48, 1, ARMBuildAttrs::MVE_arch,
191                             ARMBuildAttrs::AllowMVEInteger));
192   EXPECT_TRUE(testBuildAttr(48, 2, ARMBuildAttrs::MVE_arch,
193                             ARMBuildAttrs::AllowMVEIntegerAndFloat));
194 }
195 
196 TEST(CPUAlignBuildAttr, testBuildAttr) {
197   EXPECT_TRUE(testTagString(34, "Tag_CPU_unaligned_access"));
198   EXPECT_TRUE(testBuildAttr(34, 0, ARMBuildAttrs::CPU_unaligned_access,
199                             ARMBuildAttrs::Not_Allowed));
200   EXPECT_TRUE(testBuildAttr(34, 1, ARMBuildAttrs::CPU_unaligned_access,
201                             ARMBuildAttrs::Allowed));
202 }
203 
204 TEST(T2EEBuildAttr, testBuildAttr) {
205   EXPECT_TRUE(testTagString(66, "Tag_T2EE_use"));
206   EXPECT_TRUE(testBuildAttr(66, 0, ARMBuildAttrs::T2EE_use,
207                             ARMBuildAttrs::Not_Allowed));
208   EXPECT_TRUE(testBuildAttr(66, 1, ARMBuildAttrs::T2EE_use,
209                             ARMBuildAttrs::Allowed));
210 }
211 
212 TEST(VirtualizationBuildAttr, testBuildAttr) {
213   EXPECT_TRUE(testTagString(68, "Tag_Virtualization_use"));
214   EXPECT_TRUE(testBuildAttr(68, 0, ARMBuildAttrs::Virtualization_use,
215                             ARMBuildAttrs::Not_Allowed));
216   EXPECT_TRUE(testBuildAttr(68, 1, ARMBuildAttrs::Virtualization_use,
217                             ARMBuildAttrs::AllowTZ));
218   EXPECT_TRUE(testBuildAttr(68, 2, ARMBuildAttrs::Virtualization_use,
219                             ARMBuildAttrs::AllowVirtualization));
220   EXPECT_TRUE(testBuildAttr(68, 3, ARMBuildAttrs::Virtualization_use,
221                             ARMBuildAttrs::AllowTZVirtualization));
222 }
223 
224 TEST(MPBuildAttr, testBuildAttr) {
225   EXPECT_TRUE(testTagString(42, "Tag_MPextension_use"));
226   EXPECT_TRUE(testBuildAttr(42, 0, ARMBuildAttrs::MPextension_use,
227                             ARMBuildAttrs::Not_Allowed));
228   EXPECT_TRUE(testBuildAttr(42, 1, ARMBuildAttrs::MPextension_use,
229                             ARMBuildAttrs::AllowMP));
230 }
231 
232 TEST(DivBuildAttr, testBuildAttr) {
233   EXPECT_TRUE(testTagString(44, "Tag_DIV_use"));
234   EXPECT_TRUE(testBuildAttr(44, 0, ARMBuildAttrs::DIV_use,
235                             ARMBuildAttrs::AllowDIVIfExists));
236   EXPECT_TRUE(testBuildAttr(44, 1, ARMBuildAttrs::DIV_use,
237                             ARMBuildAttrs::DisallowDIV));
238   EXPECT_TRUE(testBuildAttr(44, 2, ARMBuildAttrs::DIV_use,
239                             ARMBuildAttrs::AllowDIVExt));
240 }
241 
242 TEST(PCS_ConfigBuildAttr, testBuildAttr) {
243   EXPECT_TRUE(testTagString(13, "Tag_PCS_config"));
244   EXPECT_TRUE(testBuildAttr(13, 0, ARMBuildAttrs::PCS_config, 0));
245   EXPECT_TRUE(testBuildAttr(13, 1, ARMBuildAttrs::PCS_config, 1));
246   EXPECT_TRUE(testBuildAttr(13, 2, ARMBuildAttrs::PCS_config, 2));
247   EXPECT_TRUE(testBuildAttr(13, 3, ARMBuildAttrs::PCS_config, 3));
248   EXPECT_TRUE(testBuildAttr(13, 4, ARMBuildAttrs::PCS_config, 4));
249   EXPECT_TRUE(testBuildAttr(13, 5, ARMBuildAttrs::PCS_config, 5));
250   EXPECT_TRUE(testBuildAttr(13, 6, ARMBuildAttrs::PCS_config, 6));
251   EXPECT_TRUE(testBuildAttr(13, 7, ARMBuildAttrs::PCS_config, 7));
252 }
253 
254 TEST(PCS_R9BuildAttr, testBuildAttr) {
255   EXPECT_TRUE(testTagString(14, "Tag_ABI_PCS_R9_use"));
256   EXPECT_TRUE(testBuildAttr(14, 0, ARMBuildAttrs::ABI_PCS_R9_use,
257                             ARMBuildAttrs::R9IsGPR));
258   EXPECT_TRUE(testBuildAttr(14, 1, ARMBuildAttrs::ABI_PCS_R9_use,
259                             ARMBuildAttrs::R9IsSB));
260   EXPECT_TRUE(testBuildAttr(14, 2, ARMBuildAttrs::ABI_PCS_R9_use,
261                             ARMBuildAttrs::R9IsTLSPointer));
262   EXPECT_TRUE(testBuildAttr(14, 3, ARMBuildAttrs::ABI_PCS_R9_use,
263                             ARMBuildAttrs::R9Reserved));
264 }
265 
266 TEST(PCS_RWBuildAttr, testBuildAttr) {
267   EXPECT_TRUE(testTagString(15, "Tag_ABI_PCS_RW_data"));
268   EXPECT_TRUE(testBuildAttr(15, 0, ARMBuildAttrs::ABI_PCS_RW_data,
269                             ARMBuildAttrs::Not_Allowed));
270   EXPECT_TRUE(testBuildAttr(15, 1, ARMBuildAttrs::ABI_PCS_RW_data,
271                             ARMBuildAttrs::AddressRWPCRel));
272   EXPECT_TRUE(testBuildAttr(15, 2, ARMBuildAttrs::ABI_PCS_RW_data,
273                             ARMBuildAttrs::AddressRWSBRel));
274   EXPECT_TRUE(testBuildAttr(15, 3, ARMBuildAttrs::ABI_PCS_RW_data,
275                             ARMBuildAttrs::AddressRWNone));
276 }
277 
278 TEST(PCS_ROBuildAttr, testBuildAttr) {
279   EXPECT_TRUE(testTagString(16, "Tag_ABI_PCS_RO_data"));
280   EXPECT_TRUE(testBuildAttr(16, 0, ARMBuildAttrs::ABI_PCS_RO_data,
281                             ARMBuildAttrs::Not_Allowed));
282   EXPECT_TRUE(testBuildAttr(16, 1, ARMBuildAttrs::ABI_PCS_RO_data,
283                             ARMBuildAttrs::AddressROPCRel));
284   EXPECT_TRUE(testBuildAttr(16, 2, ARMBuildAttrs::ABI_PCS_RO_data,
285                             ARMBuildAttrs::AddressRONone));
286 }
287 
288 TEST(PCS_GOTBuildAttr, testBuildAttr) {
289   EXPECT_TRUE(testTagString(17, "Tag_ABI_PCS_GOT_use"));
290   EXPECT_TRUE(testBuildAttr(17, 0, ARMBuildAttrs::ABI_PCS_GOT_use,
291                             ARMBuildAttrs::Not_Allowed));
292   EXPECT_TRUE(testBuildAttr(17, 1, ARMBuildAttrs::ABI_PCS_GOT_use,
293                             ARMBuildAttrs::AddressDirect));
294   EXPECT_TRUE(testBuildAttr(17, 2, ARMBuildAttrs::ABI_PCS_GOT_use,
295                             ARMBuildAttrs::AddressGOT));
296 }
297 
298 TEST(PCS_WCharBuildAttr, testBuildAttr) {
299   EXPECT_TRUE(testTagString(18, "Tag_ABI_PCS_wchar_t"));
300   EXPECT_TRUE(testBuildAttr(18, 0, ARMBuildAttrs::ABI_PCS_wchar_t,
301                             ARMBuildAttrs::WCharProhibited));
302   EXPECT_TRUE(testBuildAttr(18, 2, ARMBuildAttrs::ABI_PCS_wchar_t,
303                             ARMBuildAttrs::WCharWidth2Bytes));
304   EXPECT_TRUE(testBuildAttr(18, 4, ARMBuildAttrs::ABI_PCS_wchar_t,
305                             ARMBuildAttrs::WCharWidth4Bytes));
306 }
307 
308 TEST(EnumSizeBuildAttr, testBuildAttr) {
309   EXPECT_TRUE(testTagString(26, "Tag_ABI_enum_size"));
310   EXPECT_TRUE(testBuildAttr(26, 0, ARMBuildAttrs::ABI_enum_size,
311                             ARMBuildAttrs::EnumProhibited));
312   EXPECT_TRUE(testBuildAttr(26, 1, ARMBuildAttrs::ABI_enum_size,
313                             ARMBuildAttrs::EnumSmallest));
314   EXPECT_TRUE(testBuildAttr(26, 2, ARMBuildAttrs::ABI_enum_size,
315                             ARMBuildAttrs::Enum32Bit));
316   EXPECT_TRUE(testBuildAttr(26, 3, ARMBuildAttrs::ABI_enum_size,
317                             ARMBuildAttrs::Enum32BitABI));
318 }
319 
320 TEST(AlignNeededBuildAttr, testBuildAttr) {
321   EXPECT_TRUE(testTagString(24, "Tag_ABI_align_needed"));
322   EXPECT_TRUE(testBuildAttr(24, 0, ARMBuildAttrs::ABI_align_needed,
323                             ARMBuildAttrs::Not_Allowed));
324   EXPECT_TRUE(testBuildAttr(24, 1, ARMBuildAttrs::ABI_align_needed,
325                             ARMBuildAttrs::Align8Byte));
326   EXPECT_TRUE(testBuildAttr(24, 2, ARMBuildAttrs::ABI_align_needed,
327                             ARMBuildAttrs::Align4Byte));
328   EXPECT_TRUE(testBuildAttr(24, 3, ARMBuildAttrs::ABI_align_needed,
329                             ARMBuildAttrs::AlignReserved));
330 }
331 
332 TEST(AlignPreservedBuildAttr, testBuildAttr) {
333   EXPECT_TRUE(testTagString(25, "Tag_ABI_align_preserved"));
334   EXPECT_TRUE(testBuildAttr(25, 0, ARMBuildAttrs::ABI_align_preserved,
335                             ARMBuildAttrs::AlignNotPreserved));
336   EXPECT_TRUE(testBuildAttr(25, 1, ARMBuildAttrs::ABI_align_preserved,
337                             ARMBuildAttrs::AlignPreserve8Byte));
338   EXPECT_TRUE(testBuildAttr(25, 2, ARMBuildAttrs::ABI_align_preserved,
339                             ARMBuildAttrs::AlignPreserveAll));
340   EXPECT_TRUE(testBuildAttr(25, 3, ARMBuildAttrs::ABI_align_preserved,
341                             ARMBuildAttrs::AlignReserved));
342 }
343 
344 TEST(FPRoundingBuildAttr, testBuildAttr) {
345   EXPECT_TRUE(testTagString(19, "Tag_ABI_FP_rounding"));
346   EXPECT_TRUE(testBuildAttr(19, 0, ARMBuildAttrs::ABI_FP_rounding, 0));
347   EXPECT_TRUE(testBuildAttr(19, 1, ARMBuildAttrs::ABI_FP_rounding, 1));
348 }
349 
350 TEST(FPDenormalBuildAttr, testBuildAttr) {
351   EXPECT_TRUE(testTagString(20, "Tag_ABI_FP_denormal"));
352   EXPECT_TRUE(testBuildAttr(20, 0, ARMBuildAttrs::ABI_FP_denormal,
353                             ARMBuildAttrs::PositiveZero));
354   EXPECT_TRUE(testBuildAttr(20, 1, ARMBuildAttrs::ABI_FP_denormal,
355                             ARMBuildAttrs::IEEEDenormals));
356   EXPECT_TRUE(testBuildAttr(20, 2, ARMBuildAttrs::ABI_FP_denormal,
357                             ARMBuildAttrs::PreserveFPSign));
358 }
359 
360 TEST(FPExceptionsBuildAttr, testBuildAttr) {
361   EXPECT_TRUE(testTagString(21, "Tag_ABI_FP_exceptions"));
362   EXPECT_TRUE(testBuildAttr(21, 0, ARMBuildAttrs::ABI_FP_exceptions, 0));
363   EXPECT_TRUE(testBuildAttr(21, 1, ARMBuildAttrs::ABI_FP_exceptions, 1));
364 }
365 
366 TEST(FPUserExceptionsBuildAttr, testBuildAttr) {
367   EXPECT_TRUE(testTagString(22, "Tag_ABI_FP_user_exceptions"));
368   EXPECT_TRUE(testBuildAttr(22, 0, ARMBuildAttrs::ABI_FP_user_exceptions, 0));
369   EXPECT_TRUE(testBuildAttr(22, 1, ARMBuildAttrs::ABI_FP_user_exceptions, 1));
370 }
371 
372 TEST(FPNumberModelBuildAttr, testBuildAttr) {
373   EXPECT_TRUE(testTagString(23, "Tag_ABI_FP_number_model"));
374   EXPECT_TRUE(testBuildAttr(23, 0, ARMBuildAttrs::ABI_FP_number_model,
375                             ARMBuildAttrs::Not_Allowed));
376   EXPECT_TRUE(testBuildAttr(23, 1, ARMBuildAttrs::ABI_FP_number_model,
377                             ARMBuildAttrs::AllowIEEENormal));
378   EXPECT_TRUE(testBuildAttr(23, 2, ARMBuildAttrs::ABI_FP_number_model,
379                             ARMBuildAttrs::AllowRTABI));
380   EXPECT_TRUE(testBuildAttr(23, 3, ARMBuildAttrs::ABI_FP_number_model,
381                             ARMBuildAttrs::AllowIEEE754));
382 }
383 
384 TEST(FP16BuildAttr, testBuildAttr) {
385   EXPECT_TRUE(testTagString(38, "Tag_ABI_FP_16bit_format"));
386   EXPECT_TRUE(testBuildAttr(38, 0, ARMBuildAttrs::ABI_FP_16bit_format,
387                             ARMBuildAttrs::Not_Allowed));
388   EXPECT_TRUE(testBuildAttr(38, 1, ARMBuildAttrs::ABI_FP_16bit_format,
389                             ARMBuildAttrs::FP16FormatIEEE));
390   EXPECT_TRUE(testBuildAttr(38, 2, ARMBuildAttrs::ABI_FP_16bit_format,
391                             ARMBuildAttrs::FP16VFP3));
392 }
393 
394 TEST(HardFPBuildAttr, testBuildAttr) {
395   EXPECT_TRUE(testTagString(27, "Tag_ABI_HardFP_use"));
396   EXPECT_TRUE(testBuildAttr(27, 0, ARMBuildAttrs::ABI_HardFP_use,
397                             ARMBuildAttrs::HardFPImplied));
398   EXPECT_TRUE(testBuildAttr(27, 1, ARMBuildAttrs::ABI_HardFP_use,
399                             ARMBuildAttrs::HardFPSinglePrecision));
400   EXPECT_TRUE(testBuildAttr(27, 2, ARMBuildAttrs::ABI_HardFP_use, 2));
401 }
402 
403 TEST(VFPArgsBuildAttr, testBuildAttr) {
404   EXPECT_TRUE(testTagString(28, "Tag_ABI_VFP_args"));
405   EXPECT_TRUE(testBuildAttr(28, 0, ARMBuildAttrs::ABI_VFP_args,
406                             ARMBuildAttrs::BaseAAPCS));
407   EXPECT_TRUE(testBuildAttr(28, 1, ARMBuildAttrs::ABI_VFP_args,
408                             ARMBuildAttrs::HardFPAAPCS));
409   EXPECT_TRUE(testBuildAttr(28, 2, ARMBuildAttrs::ABI_VFP_args, 2));
410   EXPECT_TRUE(testBuildAttr(28, 3, ARMBuildAttrs::ABI_VFP_args, 3));
411 }
412 
413 TEST(WMMXArgsBuildAttr, testBuildAttr) {
414   EXPECT_TRUE(testTagString(29, "Tag_ABI_WMMX_args"));
415   EXPECT_TRUE(testBuildAttr(29, 0, ARMBuildAttrs::ABI_WMMX_args, 0));
416   EXPECT_TRUE(testBuildAttr(29, 1, ARMBuildAttrs::ABI_WMMX_args, 1));
417   EXPECT_TRUE(testBuildAttr(29, 2, ARMBuildAttrs::ABI_WMMX_args, 2));
418 }
419