xref: /llvm-project/llvm/unittests/Support/ARMAttributeParser.cpp (revision 77bab2a6f37af918a9133d1bb15551bd351b291e)
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(reinterpret_cast<const uint8_t *>(buffer.c_str()),
35                           buffer.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 }
426