1 //===-- ArchSpec.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
9 #include "lldb/Utility/ArchSpec.h"
10
11 #include "lldb/Utility/Log.h"
12 #include "lldb/Utility/StringList.h"
13 #include "lldb/lldb-defines.h"
14 #include "llvm/ADT/STLExtras.h"
15 #include "llvm/BinaryFormat/COFF.h"
16 #include "llvm/BinaryFormat/ELF.h"
17 #include "llvm/BinaryFormat/MachO.h"
18 #include "llvm/Support/Compiler.h"
19
20 using namespace lldb;
21 using namespace lldb_private;
22
23 static bool cores_match(const ArchSpec::Core core1, const ArchSpec::Core core2,
24 bool try_inverse, bool enforce_exact_match);
25
26 namespace lldb_private {
27
28 struct CoreDefinition {
29 ByteOrder default_byte_order;
30 uint32_t addr_byte_size;
31 uint32_t min_opcode_byte_size;
32 uint32_t max_opcode_byte_size;
33 llvm::Triple::ArchType machine;
34 ArchSpec::Core core;
35 const char *const name;
36 };
37
38 } // namespace lldb_private
39
40 // This core information can be looked using the ArchSpec::Core as the index
41 static const CoreDefinition g_core_definitions[] = {
42 {eByteOrderLittle, 4, 2, 4, llvm::Triple::arm, ArchSpec::eCore_arm_generic,
43 "arm"},
44 {eByteOrderLittle, 4, 2, 4, llvm::Triple::arm, ArchSpec::eCore_arm_armv4,
45 "armv4"},
46 {eByteOrderLittle, 4, 2, 4, llvm::Triple::arm, ArchSpec::eCore_arm_armv4t,
47 "armv4t"},
48 {eByteOrderLittle, 4, 2, 4, llvm::Triple::arm, ArchSpec::eCore_arm_armv5,
49 "armv5"},
50 {eByteOrderLittle, 4, 2, 4, llvm::Triple::arm, ArchSpec::eCore_arm_armv5e,
51 "armv5e"},
52 {eByteOrderLittle, 4, 2, 4, llvm::Triple::arm, ArchSpec::eCore_arm_armv5t,
53 "armv5t"},
54 {eByteOrderLittle, 4, 2, 4, llvm::Triple::arm, ArchSpec::eCore_arm_armv6,
55 "armv6"},
56 {eByteOrderLittle, 4, 2, 4, llvm::Triple::arm, ArchSpec::eCore_arm_armv6m,
57 "armv6m"},
58 {eByteOrderLittle, 4, 2, 4, llvm::Triple::arm, ArchSpec::eCore_arm_armv7,
59 "armv7"},
60 {eByteOrderLittle, 4, 2, 4, llvm::Triple::arm, ArchSpec::eCore_arm_armv7l,
61 "armv7l"},
62 {eByteOrderLittle, 4, 2, 4, llvm::Triple::arm, ArchSpec::eCore_arm_armv7f,
63 "armv7f"},
64 {eByteOrderLittle, 4, 2, 4, llvm::Triple::arm, ArchSpec::eCore_arm_armv7s,
65 "armv7s"},
66 {eByteOrderLittle, 4, 2, 4, llvm::Triple::arm, ArchSpec::eCore_arm_armv7k,
67 "armv7k"},
68 {eByteOrderLittle, 4, 2, 4, llvm::Triple::arm, ArchSpec::eCore_arm_armv7m,
69 "armv7m"},
70 {eByteOrderLittle, 4, 2, 4, llvm::Triple::arm, ArchSpec::eCore_arm_armv7em,
71 "armv7em"},
72 {eByteOrderLittle, 4, 2, 4, llvm::Triple::arm, ArchSpec::eCore_arm_xscale,
73 "xscale"},
74 {eByteOrderLittle, 4, 2, 4, llvm::Triple::thumb, ArchSpec::eCore_thumb,
75 "thumb"},
76 {eByteOrderLittle, 4, 2, 4, llvm::Triple::thumb, ArchSpec::eCore_thumbv4t,
77 "thumbv4t"},
78 {eByteOrderLittle, 4, 2, 4, llvm::Triple::thumb, ArchSpec::eCore_thumbv5,
79 "thumbv5"},
80 {eByteOrderLittle, 4, 2, 4, llvm::Triple::thumb, ArchSpec::eCore_thumbv5e,
81 "thumbv5e"},
82 {eByteOrderLittle, 4, 2, 4, llvm::Triple::thumb, ArchSpec::eCore_thumbv6,
83 "thumbv6"},
84 {eByteOrderLittle, 4, 2, 4, llvm::Triple::thumb, ArchSpec::eCore_thumbv6m,
85 "thumbv6m"},
86 {eByteOrderLittle, 4, 2, 4, llvm::Triple::thumb, ArchSpec::eCore_thumbv7,
87 "thumbv7"},
88 {eByteOrderLittle, 4, 2, 4, llvm::Triple::thumb, ArchSpec::eCore_thumbv7f,
89 "thumbv7f"},
90 {eByteOrderLittle, 4, 2, 4, llvm::Triple::thumb, ArchSpec::eCore_thumbv7s,
91 "thumbv7s"},
92 {eByteOrderLittle, 4, 2, 4, llvm::Triple::thumb, ArchSpec::eCore_thumbv7k,
93 "thumbv7k"},
94 {eByteOrderLittle, 4, 2, 4, llvm::Triple::thumb, ArchSpec::eCore_thumbv7m,
95 "thumbv7m"},
96 {eByteOrderLittle, 4, 2, 4, llvm::Triple::thumb, ArchSpec::eCore_thumbv7em,
97 "thumbv7em"},
98 {eByteOrderLittle, 8, 4, 4, llvm::Triple::aarch64,
99 ArchSpec::eCore_arm_arm64, "arm64"},
100 {eByteOrderLittle, 8, 4, 4, llvm::Triple::aarch64,
101 ArchSpec::eCore_arm_armv8, "armv8"},
102 {eByteOrderLittle, 4, 2, 4, llvm::Triple::arm, ArchSpec::eCore_arm_armv8l,
103 "armv8l"},
104 {eByteOrderLittle, 8, 4, 4, llvm::Triple::aarch64,
105 ArchSpec::eCore_arm_arm64e, "arm64e"},
106 {eByteOrderLittle, 4, 4, 4, llvm::Triple::aarch64_32,
107 ArchSpec::eCore_arm_arm64_32, "arm64_32"},
108 {eByteOrderLittle, 8, 4, 4, llvm::Triple::aarch64,
109 ArchSpec::eCore_arm_aarch64, "aarch64"},
110
111 // mips32, mips32r2, mips32r3, mips32r5, mips32r6
112 {eByteOrderBig, 4, 2, 4, llvm::Triple::mips, ArchSpec::eCore_mips32,
113 "mips"},
114 {eByteOrderBig, 4, 2, 4, llvm::Triple::mips, ArchSpec::eCore_mips32r2,
115 "mipsr2"},
116 {eByteOrderBig, 4, 2, 4, llvm::Triple::mips, ArchSpec::eCore_mips32r3,
117 "mipsr3"},
118 {eByteOrderBig, 4, 2, 4, llvm::Triple::mips, ArchSpec::eCore_mips32r5,
119 "mipsr5"},
120 {eByteOrderBig, 4, 2, 4, llvm::Triple::mips, ArchSpec::eCore_mips32r6,
121 "mipsr6"},
122 {eByteOrderLittle, 4, 2, 4, llvm::Triple::mipsel, ArchSpec::eCore_mips32el,
123 "mipsel"},
124 {eByteOrderLittle, 4, 2, 4, llvm::Triple::mipsel,
125 ArchSpec::eCore_mips32r2el, "mipsr2el"},
126 {eByteOrderLittle, 4, 2, 4, llvm::Triple::mipsel,
127 ArchSpec::eCore_mips32r3el, "mipsr3el"},
128 {eByteOrderLittle, 4, 2, 4, llvm::Triple::mipsel,
129 ArchSpec::eCore_mips32r5el, "mipsr5el"},
130 {eByteOrderLittle, 4, 2, 4, llvm::Triple::mipsel,
131 ArchSpec::eCore_mips32r6el, "mipsr6el"},
132
133 // mips64, mips64r2, mips64r3, mips64r5, mips64r6
134 {eByteOrderBig, 8, 2, 4, llvm::Triple::mips64, ArchSpec::eCore_mips64,
135 "mips64"},
136 {eByteOrderBig, 8, 2, 4, llvm::Triple::mips64, ArchSpec::eCore_mips64r2,
137 "mips64r2"},
138 {eByteOrderBig, 8, 2, 4, llvm::Triple::mips64, ArchSpec::eCore_mips64r3,
139 "mips64r3"},
140 {eByteOrderBig, 8, 2, 4, llvm::Triple::mips64, ArchSpec::eCore_mips64r5,
141 "mips64r5"},
142 {eByteOrderBig, 8, 2, 4, llvm::Triple::mips64, ArchSpec::eCore_mips64r6,
143 "mips64r6"},
144 {eByteOrderLittle, 8, 2, 4, llvm::Triple::mips64el,
145 ArchSpec::eCore_mips64el, "mips64el"},
146 {eByteOrderLittle, 8, 2, 4, llvm::Triple::mips64el,
147 ArchSpec::eCore_mips64r2el, "mips64r2el"},
148 {eByteOrderLittle, 8, 2, 4, llvm::Triple::mips64el,
149 ArchSpec::eCore_mips64r3el, "mips64r3el"},
150 {eByteOrderLittle, 8, 2, 4, llvm::Triple::mips64el,
151 ArchSpec::eCore_mips64r5el, "mips64r5el"},
152 {eByteOrderLittle, 8, 2, 4, llvm::Triple::mips64el,
153 ArchSpec::eCore_mips64r6el, "mips64r6el"},
154
155 {eByteOrderBig, 4, 4, 4, llvm::Triple::ppc, ArchSpec::eCore_ppc_generic,
156 "powerpc"},
157 {eByteOrderBig, 4, 4, 4, llvm::Triple::ppc, ArchSpec::eCore_ppc_ppc601,
158 "ppc601"},
159 {eByteOrderBig, 4, 4, 4, llvm::Triple::ppc, ArchSpec::eCore_ppc_ppc602,
160 "ppc602"},
161 {eByteOrderBig, 4, 4, 4, llvm::Triple::ppc, ArchSpec::eCore_ppc_ppc603,
162 "ppc603"},
163 {eByteOrderBig, 4, 4, 4, llvm::Triple::ppc, ArchSpec::eCore_ppc_ppc603e,
164 "ppc603e"},
165 {eByteOrderBig, 4, 4, 4, llvm::Triple::ppc, ArchSpec::eCore_ppc_ppc603ev,
166 "ppc603ev"},
167 {eByteOrderBig, 4, 4, 4, llvm::Triple::ppc, ArchSpec::eCore_ppc_ppc604,
168 "ppc604"},
169 {eByteOrderBig, 4, 4, 4, llvm::Triple::ppc, ArchSpec::eCore_ppc_ppc604e,
170 "ppc604e"},
171 {eByteOrderBig, 4, 4, 4, llvm::Triple::ppc, ArchSpec::eCore_ppc_ppc620,
172 "ppc620"},
173 {eByteOrderBig, 4, 4, 4, llvm::Triple::ppc, ArchSpec::eCore_ppc_ppc750,
174 "ppc750"},
175 {eByteOrderBig, 4, 4, 4, llvm::Triple::ppc, ArchSpec::eCore_ppc_ppc7400,
176 "ppc7400"},
177 {eByteOrderBig, 4, 4, 4, llvm::Triple::ppc, ArchSpec::eCore_ppc_ppc7450,
178 "ppc7450"},
179 {eByteOrderBig, 4, 4, 4, llvm::Triple::ppc, ArchSpec::eCore_ppc_ppc970,
180 "ppc970"},
181
182 {eByteOrderLittle, 8, 4, 4, llvm::Triple::ppc64le,
183 ArchSpec::eCore_ppc64le_generic, "powerpc64le"},
184 {eByteOrderBig, 8, 4, 4, llvm::Triple::ppc64, ArchSpec::eCore_ppc64_generic,
185 "powerpc64"},
186 {eByteOrderBig, 8, 4, 4, llvm::Triple::ppc64,
187 ArchSpec::eCore_ppc64_ppc970_64, "ppc970-64"},
188
189 {eByteOrderBig, 8, 2, 6, llvm::Triple::systemz,
190 ArchSpec::eCore_s390x_generic, "s390x"},
191
192 {eByteOrderLittle, 4, 4, 4, llvm::Triple::sparc,
193 ArchSpec::eCore_sparc_generic, "sparc"},
194 {eByteOrderLittle, 8, 4, 4, llvm::Triple::sparcv9,
195 ArchSpec::eCore_sparc9_generic, "sparcv9"},
196
197 {eByteOrderLittle, 4, 1, 15, llvm::Triple::x86, ArchSpec::eCore_x86_32_i386,
198 "i386"},
199 {eByteOrderLittle, 4, 1, 15, llvm::Triple::x86, ArchSpec::eCore_x86_32_i486,
200 "i486"},
201 {eByteOrderLittle, 4, 1, 15, llvm::Triple::x86,
202 ArchSpec::eCore_x86_32_i486sx, "i486sx"},
203 {eByteOrderLittle, 4, 1, 15, llvm::Triple::x86, ArchSpec::eCore_x86_32_i686,
204 "i686"},
205
206 {eByteOrderLittle, 8, 1, 15, llvm::Triple::x86_64,
207 ArchSpec::eCore_x86_64_x86_64, "x86_64"},
208 {eByteOrderLittle, 8, 1, 15, llvm::Triple::x86_64,
209 ArchSpec::eCore_x86_64_x86_64h, "x86_64h"},
210 {eByteOrderLittle, 4, 4, 4, llvm::Triple::hexagon,
211 ArchSpec::eCore_hexagon_generic, "hexagon"},
212 {eByteOrderLittle, 4, 4, 4, llvm::Triple::hexagon,
213 ArchSpec::eCore_hexagon_hexagonv4, "hexagonv4"},
214 {eByteOrderLittle, 4, 4, 4, llvm::Triple::hexagon,
215 ArchSpec::eCore_hexagon_hexagonv5, "hexagonv5"},
216
217 {eByteOrderLittle, 4, 2, 4, llvm::Triple::riscv32, ArchSpec::eCore_riscv32,
218 "riscv32"},
219 {eByteOrderLittle, 8, 2, 4, llvm::Triple::riscv64, ArchSpec::eCore_riscv64,
220 "riscv64"},
221
222 {eByteOrderLittle, 4, 4, 4, llvm::Triple::UnknownArch,
223 ArchSpec::eCore_uknownMach32, "unknown-mach-32"},
224 {eByteOrderLittle, 8, 4, 4, llvm::Triple::UnknownArch,
225 ArchSpec::eCore_uknownMach64, "unknown-mach-64"},
226 {eByteOrderLittle, 4, 2, 4, llvm::Triple::arc, ArchSpec::eCore_arc, "arc"},
227
228 {eByteOrderLittle, 2, 2, 4, llvm::Triple::avr, ArchSpec::eCore_avr, "avr"},
229
230 {eByteOrderLittle, 4, 1, 4, llvm::Triple::wasm32, ArchSpec::eCore_wasm32,
231 "wasm32"},
232 };
233
234 // Ensure that we have an entry in the g_core_definitions for each core. If you
235 // comment out an entry above, you will need to comment out the corresponding
236 // ArchSpec::Core enumeration.
237 static_assert(sizeof(g_core_definitions) / sizeof(CoreDefinition) ==
238 ArchSpec::kNumCores,
239 "make sure we have one core definition for each core");
240
241 struct ArchDefinitionEntry {
242 ArchSpec::Core core;
243 uint32_t cpu;
244 uint32_t sub;
245 uint32_t cpu_mask;
246 uint32_t sub_mask;
247 };
248
249 struct ArchDefinition {
250 ArchitectureType type;
251 size_t num_entries;
252 const ArchDefinitionEntry *entries;
253 const char *name;
254 };
255
ListSupportedArchNames(StringList & list)256 void ArchSpec::ListSupportedArchNames(StringList &list) {
257 for (uint32_t i = 0; i < llvm::array_lengthof(g_core_definitions); ++i)
258 list.AppendString(g_core_definitions[i].name);
259 }
260
AutoComplete(CompletionRequest & request)261 void ArchSpec::AutoComplete(CompletionRequest &request) {
262 for (uint32_t i = 0; i < llvm::array_lengthof(g_core_definitions); ++i)
263 request.TryCompleteCurrentArg(g_core_definitions[i].name);
264 }
265
266 #define CPU_ANY (UINT32_MAX)
267
268 //===----------------------------------------------------------------------===//
269 // A table that gets searched linearly for matches. This table is used to
270 // convert cpu type and subtypes to architecture names, and to convert
271 // architecture names to cpu types and subtypes. The ordering is important and
272 // allows the precedence to be set when the table is built.
273 #define SUBTYPE_MASK 0x00FFFFFFu
274
275 // clang-format off
276 static const ArchDefinitionEntry g_macho_arch_entries[] = {
277 {ArchSpec::eCore_arm_generic, llvm::MachO::CPU_TYPE_ARM, CPU_ANY, UINT32_MAX, UINT32_MAX},
278 {ArchSpec::eCore_arm_generic, llvm::MachO::CPU_TYPE_ARM, llvm::MachO::CPU_SUBTYPE_ARM_ALL, UINT32_MAX, SUBTYPE_MASK},
279 {ArchSpec::eCore_arm_armv4, llvm::MachO::CPU_TYPE_ARM, llvm::MachO::CPU_SUBTYPE_ARM_V4T, UINT32_MAX, SUBTYPE_MASK},
280 {ArchSpec::eCore_arm_armv4t, llvm::MachO::CPU_TYPE_ARM, llvm::MachO::CPU_SUBTYPE_ARM_V4T, UINT32_MAX, SUBTYPE_MASK},
281 {ArchSpec::eCore_arm_armv6, llvm::MachO::CPU_TYPE_ARM, llvm::MachO::CPU_SUBTYPE_ARM_V6, UINT32_MAX, SUBTYPE_MASK},
282 {ArchSpec::eCore_arm_armv6m, llvm::MachO::CPU_TYPE_ARM, llvm::MachO::CPU_SUBTYPE_ARM_V6M, UINT32_MAX, SUBTYPE_MASK},
283 {ArchSpec::eCore_arm_armv5, llvm::MachO::CPU_TYPE_ARM, llvm::MachO::CPU_SUBTYPE_ARM_V5TEJ, UINT32_MAX, SUBTYPE_MASK},
284 {ArchSpec::eCore_arm_armv5e, llvm::MachO::CPU_TYPE_ARM, llvm::MachO::CPU_SUBTYPE_ARM_V5TEJ, UINT32_MAX, SUBTYPE_MASK},
285 {ArchSpec::eCore_arm_armv5t, llvm::MachO::CPU_TYPE_ARM, llvm::MachO::CPU_SUBTYPE_ARM_V5TEJ, UINT32_MAX, SUBTYPE_MASK},
286 {ArchSpec::eCore_arm_xscale, llvm::MachO::CPU_TYPE_ARM, llvm::MachO::CPU_SUBTYPE_ARM_XSCALE, UINT32_MAX, SUBTYPE_MASK},
287 {ArchSpec::eCore_arm_armv7, llvm::MachO::CPU_TYPE_ARM, llvm::MachO::CPU_SUBTYPE_ARM_V7, UINT32_MAX, SUBTYPE_MASK},
288 {ArchSpec::eCore_arm_armv7f, llvm::MachO::CPU_TYPE_ARM, 10, UINT32_MAX, SUBTYPE_MASK},
289 {ArchSpec::eCore_arm_armv7s, llvm::MachO::CPU_TYPE_ARM, llvm::MachO::CPU_SUBTYPE_ARM_V7S, UINT32_MAX, SUBTYPE_MASK},
290 {ArchSpec::eCore_arm_armv7k, llvm::MachO::CPU_TYPE_ARM, llvm::MachO::CPU_SUBTYPE_ARM_V7K, UINT32_MAX, SUBTYPE_MASK},
291 {ArchSpec::eCore_arm_armv7m, llvm::MachO::CPU_TYPE_ARM, llvm::MachO::CPU_SUBTYPE_ARM_V7M, UINT32_MAX, SUBTYPE_MASK},
292 {ArchSpec::eCore_arm_armv7em, llvm::MachO::CPU_TYPE_ARM, llvm::MachO::CPU_SUBTYPE_ARM_V7EM, UINT32_MAX, SUBTYPE_MASK},
293 {ArchSpec::eCore_arm_arm64e, llvm::MachO::CPU_TYPE_ARM64, llvm::MachO::CPU_SUBTYPE_ARM64E, UINT32_MAX, SUBTYPE_MASK},
294 {ArchSpec::eCore_arm_arm64, llvm::MachO::CPU_TYPE_ARM64, llvm::MachO::CPU_SUBTYPE_ARM64_V8, UINT32_MAX, SUBTYPE_MASK},
295 {ArchSpec::eCore_arm_arm64, llvm::MachO::CPU_TYPE_ARM64, llvm::MachO::CPU_SUBTYPE_ARM64_ALL, UINT32_MAX, SUBTYPE_MASK},
296 {ArchSpec::eCore_arm_arm64, llvm::MachO::CPU_TYPE_ARM64, 13, UINT32_MAX, SUBTYPE_MASK},
297 {ArchSpec::eCore_arm_arm64_32, llvm::MachO::CPU_TYPE_ARM64_32, 0, UINT32_MAX, SUBTYPE_MASK},
298 {ArchSpec::eCore_arm_arm64_32, llvm::MachO::CPU_TYPE_ARM64_32, 1, UINT32_MAX, SUBTYPE_MASK},
299 {ArchSpec::eCore_arm_arm64, llvm::MachO::CPU_TYPE_ARM64, CPU_ANY, UINT32_MAX, SUBTYPE_MASK},
300 {ArchSpec::eCore_thumb, llvm::MachO::CPU_TYPE_ARM, llvm::MachO::CPU_SUBTYPE_ARM_ALL, UINT32_MAX, SUBTYPE_MASK},
301 {ArchSpec::eCore_thumbv4t, llvm::MachO::CPU_TYPE_ARM, llvm::MachO::CPU_SUBTYPE_ARM_V4T, UINT32_MAX, SUBTYPE_MASK},
302 {ArchSpec::eCore_thumbv5, llvm::MachO::CPU_TYPE_ARM, llvm::MachO::CPU_SUBTYPE_ARM_V5, UINT32_MAX, SUBTYPE_MASK},
303 {ArchSpec::eCore_thumbv5e, llvm::MachO::CPU_TYPE_ARM, llvm::MachO::CPU_SUBTYPE_ARM_V5, UINT32_MAX, SUBTYPE_MASK},
304 {ArchSpec::eCore_thumbv6, llvm::MachO::CPU_TYPE_ARM, llvm::MachO::CPU_SUBTYPE_ARM_V6, UINT32_MAX, SUBTYPE_MASK},
305 {ArchSpec::eCore_thumbv6m, llvm::MachO::CPU_TYPE_ARM, llvm::MachO::CPU_SUBTYPE_ARM_V6M, UINT32_MAX, SUBTYPE_MASK},
306 {ArchSpec::eCore_thumbv7, llvm::MachO::CPU_TYPE_ARM, llvm::MachO::CPU_SUBTYPE_ARM_V7, UINT32_MAX, SUBTYPE_MASK},
307 {ArchSpec::eCore_thumbv7f, llvm::MachO::CPU_TYPE_ARM, 10, UINT32_MAX, SUBTYPE_MASK},
308 {ArchSpec::eCore_thumbv7s, llvm::MachO::CPU_TYPE_ARM, llvm::MachO::CPU_SUBTYPE_ARM_V7S, UINT32_MAX, SUBTYPE_MASK},
309 {ArchSpec::eCore_thumbv7k, llvm::MachO::CPU_TYPE_ARM, llvm::MachO::CPU_SUBTYPE_ARM_V7K, UINT32_MAX, SUBTYPE_MASK},
310 {ArchSpec::eCore_thumbv7m, llvm::MachO::CPU_TYPE_ARM, llvm::MachO::CPU_SUBTYPE_ARM_V7M, UINT32_MAX, SUBTYPE_MASK},
311 {ArchSpec::eCore_thumbv7em, llvm::MachO::CPU_TYPE_ARM, llvm::MachO::CPU_SUBTYPE_ARM_V7EM, UINT32_MAX, SUBTYPE_MASK},
312 {ArchSpec::eCore_ppc_generic, llvm::MachO::CPU_TYPE_POWERPC, CPU_ANY, UINT32_MAX, UINT32_MAX},
313 {ArchSpec::eCore_ppc_generic, llvm::MachO::CPU_TYPE_POWERPC, llvm::MachO::CPU_SUBTYPE_POWERPC_ALL, UINT32_MAX, SUBTYPE_MASK},
314 {ArchSpec::eCore_ppc_ppc601, llvm::MachO::CPU_TYPE_POWERPC, llvm::MachO::CPU_SUBTYPE_POWERPC_601, UINT32_MAX, SUBTYPE_MASK},
315 {ArchSpec::eCore_ppc_ppc602, llvm::MachO::CPU_TYPE_POWERPC, llvm::MachO::CPU_SUBTYPE_POWERPC_602, UINT32_MAX, SUBTYPE_MASK},
316 {ArchSpec::eCore_ppc_ppc603, llvm::MachO::CPU_TYPE_POWERPC, llvm::MachO::CPU_SUBTYPE_POWERPC_603, UINT32_MAX, SUBTYPE_MASK},
317 {ArchSpec::eCore_ppc_ppc603e, llvm::MachO::CPU_TYPE_POWERPC, llvm::MachO::CPU_SUBTYPE_POWERPC_603e, UINT32_MAX, SUBTYPE_MASK},
318 {ArchSpec::eCore_ppc_ppc603ev, llvm::MachO::CPU_TYPE_POWERPC, llvm::MachO::CPU_SUBTYPE_POWERPC_603ev, UINT32_MAX, SUBTYPE_MASK},
319 {ArchSpec::eCore_ppc_ppc604, llvm::MachO::CPU_TYPE_POWERPC, llvm::MachO::CPU_SUBTYPE_POWERPC_604, UINT32_MAX, SUBTYPE_MASK},
320 {ArchSpec::eCore_ppc_ppc604e, llvm::MachO::CPU_TYPE_POWERPC, llvm::MachO::CPU_SUBTYPE_POWERPC_604e, UINT32_MAX, SUBTYPE_MASK},
321 {ArchSpec::eCore_ppc_ppc620, llvm::MachO::CPU_TYPE_POWERPC, llvm::MachO::CPU_SUBTYPE_POWERPC_620, UINT32_MAX, SUBTYPE_MASK},
322 {ArchSpec::eCore_ppc_ppc750, llvm::MachO::CPU_TYPE_POWERPC, llvm::MachO::CPU_SUBTYPE_POWERPC_750, UINT32_MAX, SUBTYPE_MASK},
323 {ArchSpec::eCore_ppc_ppc7400, llvm::MachO::CPU_TYPE_POWERPC, llvm::MachO::CPU_SUBTYPE_POWERPC_7400, UINT32_MAX, SUBTYPE_MASK},
324 {ArchSpec::eCore_ppc_ppc7450, llvm::MachO::CPU_TYPE_POWERPC, llvm::MachO::CPU_SUBTYPE_POWERPC_7450, UINT32_MAX, SUBTYPE_MASK},
325 {ArchSpec::eCore_ppc_ppc970, llvm::MachO::CPU_TYPE_POWERPC, llvm::MachO::CPU_SUBTYPE_POWERPC_970, UINT32_MAX, SUBTYPE_MASK},
326 {ArchSpec::eCore_ppc64_generic, llvm::MachO::CPU_TYPE_POWERPC64, llvm::MachO::CPU_SUBTYPE_POWERPC_ALL, UINT32_MAX, SUBTYPE_MASK},
327 {ArchSpec::eCore_ppc64le_generic, llvm::MachO::CPU_TYPE_POWERPC64, CPU_ANY, UINT32_MAX, SUBTYPE_MASK},
328 {ArchSpec::eCore_ppc64_ppc970_64, llvm::MachO::CPU_TYPE_POWERPC64, 100, UINT32_MAX, SUBTYPE_MASK},
329 {ArchSpec::eCore_x86_32_i386, llvm::MachO::CPU_TYPE_I386, llvm::MachO::CPU_SUBTYPE_I386_ALL, UINT32_MAX, SUBTYPE_MASK},
330 {ArchSpec::eCore_x86_32_i486, llvm::MachO::CPU_TYPE_I386, llvm::MachO::CPU_SUBTYPE_486, UINT32_MAX, SUBTYPE_MASK},
331 {ArchSpec::eCore_x86_32_i486sx, llvm::MachO::CPU_TYPE_I386, llvm::MachO::CPU_SUBTYPE_486SX, UINT32_MAX, SUBTYPE_MASK},
332 {ArchSpec::eCore_x86_32_i386, llvm::MachO::CPU_TYPE_I386, CPU_ANY, UINT32_MAX, UINT32_MAX},
333 {ArchSpec::eCore_x86_64_x86_64, llvm::MachO::CPU_TYPE_X86_64, llvm::MachO::CPU_SUBTYPE_X86_64_ALL, UINT32_MAX, SUBTYPE_MASK},
334 {ArchSpec::eCore_x86_64_x86_64, llvm::MachO::CPU_TYPE_X86_64, llvm::MachO::CPU_SUBTYPE_X86_ARCH1, UINT32_MAX, SUBTYPE_MASK},
335 {ArchSpec::eCore_x86_64_x86_64h, llvm::MachO::CPU_TYPE_X86_64, llvm::MachO::CPU_SUBTYPE_X86_64_H, UINT32_MAX, SUBTYPE_MASK},
336 {ArchSpec::eCore_x86_64_x86_64, llvm::MachO::CPU_TYPE_X86_64, CPU_ANY, UINT32_MAX, UINT32_MAX},
337 // Catch any unknown mach architectures so we can always use the object and symbol mach-o files
338 {ArchSpec::eCore_uknownMach32, 0, 0, 0xFF000000u, 0x00000000u},
339 {ArchSpec::eCore_uknownMach64, llvm::MachO::CPU_ARCH_ABI64, 0, 0xFF000000u, 0x00000000u}};
340 // clang-format on
341
342 static const ArchDefinition g_macho_arch_def = {
343 eArchTypeMachO, llvm::array_lengthof(g_macho_arch_entries),
344 g_macho_arch_entries, "mach-o"};
345
346 //===----------------------------------------------------------------------===//
347 // A table that gets searched linearly for matches. This table is used to
348 // convert cpu type and subtypes to architecture names, and to convert
349 // architecture names to cpu types and subtypes. The ordering is important and
350 // allows the precedence to be set when the table is built.
351 static const ArchDefinitionEntry g_elf_arch_entries[] = {
352 {ArchSpec::eCore_sparc_generic, llvm::ELF::EM_SPARC, LLDB_INVALID_CPUTYPE,
353 0xFFFFFFFFu, 0xFFFFFFFFu}, // Sparc
354 {ArchSpec::eCore_x86_32_i386, llvm::ELF::EM_386, LLDB_INVALID_CPUTYPE,
355 0xFFFFFFFFu, 0xFFFFFFFFu}, // Intel 80386
356 {ArchSpec::eCore_x86_32_i486, llvm::ELF::EM_IAMCU, LLDB_INVALID_CPUTYPE,
357 0xFFFFFFFFu, 0xFFFFFFFFu}, // Intel MCU // FIXME: is this correct?
358 {ArchSpec::eCore_ppc_generic, llvm::ELF::EM_PPC, LLDB_INVALID_CPUTYPE,
359 0xFFFFFFFFu, 0xFFFFFFFFu}, // PowerPC
360 {ArchSpec::eCore_ppc64le_generic, llvm::ELF::EM_PPC64, LLDB_INVALID_CPUTYPE,
361 0xFFFFFFFFu, 0xFFFFFFFFu}, // PowerPC64le
362 {ArchSpec::eCore_ppc64_generic, llvm::ELF::EM_PPC64, LLDB_INVALID_CPUTYPE,
363 0xFFFFFFFFu, 0xFFFFFFFFu}, // PowerPC64
364 {ArchSpec::eCore_arm_generic, llvm::ELF::EM_ARM, LLDB_INVALID_CPUTYPE,
365 0xFFFFFFFFu, 0xFFFFFFFFu}, // ARM
366 {ArchSpec::eCore_arm_aarch64, llvm::ELF::EM_AARCH64, LLDB_INVALID_CPUTYPE,
367 0xFFFFFFFFu, 0xFFFFFFFFu}, // ARM64
368 {ArchSpec::eCore_s390x_generic, llvm::ELF::EM_S390, LLDB_INVALID_CPUTYPE,
369 0xFFFFFFFFu, 0xFFFFFFFFu}, // SystemZ
370 {ArchSpec::eCore_sparc9_generic, llvm::ELF::EM_SPARCV9,
371 LLDB_INVALID_CPUTYPE, 0xFFFFFFFFu, 0xFFFFFFFFu}, // SPARC V9
372 {ArchSpec::eCore_x86_64_x86_64, llvm::ELF::EM_X86_64, LLDB_INVALID_CPUTYPE,
373 0xFFFFFFFFu, 0xFFFFFFFFu}, // AMD64
374 {ArchSpec::eCore_mips32, llvm::ELF::EM_MIPS, ArchSpec::eMIPSSubType_mips32,
375 0xFFFFFFFFu, 0xFFFFFFFFu}, // mips32
376 {ArchSpec::eCore_mips32r2, llvm::ELF::EM_MIPS,
377 ArchSpec::eMIPSSubType_mips32r2, 0xFFFFFFFFu, 0xFFFFFFFFu}, // mips32r2
378 {ArchSpec::eCore_mips32r6, llvm::ELF::EM_MIPS,
379 ArchSpec::eMIPSSubType_mips32r6, 0xFFFFFFFFu, 0xFFFFFFFFu}, // mips32r6
380 {ArchSpec::eCore_mips32el, llvm::ELF::EM_MIPS,
381 ArchSpec::eMIPSSubType_mips32el, 0xFFFFFFFFu, 0xFFFFFFFFu}, // mips32el
382 {ArchSpec::eCore_mips32r2el, llvm::ELF::EM_MIPS,
383 ArchSpec::eMIPSSubType_mips32r2el, 0xFFFFFFFFu, 0xFFFFFFFFu}, // mips32r2el
384 {ArchSpec::eCore_mips32r6el, llvm::ELF::EM_MIPS,
385 ArchSpec::eMIPSSubType_mips32r6el, 0xFFFFFFFFu, 0xFFFFFFFFu}, // mips32r6el
386 {ArchSpec::eCore_mips64, llvm::ELF::EM_MIPS, ArchSpec::eMIPSSubType_mips64,
387 0xFFFFFFFFu, 0xFFFFFFFFu}, // mips64
388 {ArchSpec::eCore_mips64r2, llvm::ELF::EM_MIPS,
389 ArchSpec::eMIPSSubType_mips64r2, 0xFFFFFFFFu, 0xFFFFFFFFu}, // mips64r2
390 {ArchSpec::eCore_mips64r6, llvm::ELF::EM_MIPS,
391 ArchSpec::eMIPSSubType_mips64r6, 0xFFFFFFFFu, 0xFFFFFFFFu}, // mips64r6
392 {ArchSpec::eCore_mips64el, llvm::ELF::EM_MIPS,
393 ArchSpec::eMIPSSubType_mips64el, 0xFFFFFFFFu, 0xFFFFFFFFu}, // mips64el
394 {ArchSpec::eCore_mips64r2el, llvm::ELF::EM_MIPS,
395 ArchSpec::eMIPSSubType_mips64r2el, 0xFFFFFFFFu, 0xFFFFFFFFu}, // mips64r2el
396 {ArchSpec::eCore_mips64r6el, llvm::ELF::EM_MIPS,
397 ArchSpec::eMIPSSubType_mips64r6el, 0xFFFFFFFFu, 0xFFFFFFFFu}, // mips64r6el
398 {ArchSpec::eCore_hexagon_generic, llvm::ELF::EM_HEXAGON,
399 LLDB_INVALID_CPUTYPE, 0xFFFFFFFFu, 0xFFFFFFFFu}, // HEXAGON
400 {ArchSpec::eCore_arc, llvm::ELF::EM_ARC_COMPACT2, LLDB_INVALID_CPUTYPE,
401 0xFFFFFFFFu, 0xFFFFFFFFu}, // ARC
402 {ArchSpec::eCore_avr, llvm::ELF::EM_AVR, LLDB_INVALID_CPUTYPE,
403 0xFFFFFFFFu, 0xFFFFFFFFu}, // AVR
404 {ArchSpec::eCore_riscv32, llvm::ELF::EM_RISCV,
405 ArchSpec::eRISCVSubType_riscv32, 0xFFFFFFFFu, 0xFFFFFFFFu}, // riscv32
406 {ArchSpec::eCore_riscv64, llvm::ELF::EM_RISCV,
407 ArchSpec::eRISCVSubType_riscv64, 0xFFFFFFFFu, 0xFFFFFFFFu}, // riscv64
408 };
409
410 static const ArchDefinition g_elf_arch_def = {
411 eArchTypeELF,
412 llvm::array_lengthof(g_elf_arch_entries),
413 g_elf_arch_entries,
414 "elf",
415 };
416
417 static const ArchDefinitionEntry g_coff_arch_entries[] = {
418 {ArchSpec::eCore_x86_32_i386, llvm::COFF::IMAGE_FILE_MACHINE_I386,
419 LLDB_INVALID_CPUTYPE, 0xFFFFFFFFu, 0xFFFFFFFFu}, // Intel 80x86
420 {ArchSpec::eCore_ppc_generic, llvm::COFF::IMAGE_FILE_MACHINE_POWERPC,
421 LLDB_INVALID_CPUTYPE, 0xFFFFFFFFu, 0xFFFFFFFFu}, // PowerPC
422 {ArchSpec::eCore_ppc_generic, llvm::COFF::IMAGE_FILE_MACHINE_POWERPCFP,
423 LLDB_INVALID_CPUTYPE, 0xFFFFFFFFu, 0xFFFFFFFFu}, // PowerPC (with FPU)
424 {ArchSpec::eCore_arm_generic, llvm::COFF::IMAGE_FILE_MACHINE_ARM,
425 LLDB_INVALID_CPUTYPE, 0xFFFFFFFFu, 0xFFFFFFFFu}, // ARM
426 {ArchSpec::eCore_arm_armv7, llvm::COFF::IMAGE_FILE_MACHINE_ARMNT,
427 LLDB_INVALID_CPUTYPE, 0xFFFFFFFFu, 0xFFFFFFFFu}, // ARMv7
428 {ArchSpec::eCore_thumb, llvm::COFF::IMAGE_FILE_MACHINE_THUMB,
429 LLDB_INVALID_CPUTYPE, 0xFFFFFFFFu, 0xFFFFFFFFu}, // ARMv7
430 {ArchSpec::eCore_x86_64_x86_64, llvm::COFF::IMAGE_FILE_MACHINE_AMD64,
431 LLDB_INVALID_CPUTYPE, 0xFFFFFFFFu, 0xFFFFFFFFu}, // AMD64
432 {ArchSpec::eCore_arm_arm64, llvm::COFF::IMAGE_FILE_MACHINE_ARM64,
433 LLDB_INVALID_CPUTYPE, 0xFFFFFFFFu, 0xFFFFFFFFu} // ARM64
434 };
435
436 static const ArchDefinition g_coff_arch_def = {
437 eArchTypeCOFF,
438 llvm::array_lengthof(g_coff_arch_entries),
439 g_coff_arch_entries,
440 "pe-coff",
441 };
442
443 //===----------------------------------------------------------------------===//
444 // Table of all ArchDefinitions
445 static const ArchDefinition *g_arch_definitions[] = {
446 &g_macho_arch_def, &g_elf_arch_def, &g_coff_arch_def};
447
448 static const size_t k_num_arch_definitions =
449 llvm::array_lengthof(g_arch_definitions);
450
451 //===----------------------------------------------------------------------===//
452 // Static helper functions.
453
454 // Get the architecture definition for a given object type.
FindArchDefinition(ArchitectureType arch_type)455 static const ArchDefinition *FindArchDefinition(ArchitectureType arch_type) {
456 for (unsigned int i = 0; i < k_num_arch_definitions; ++i) {
457 const ArchDefinition *def = g_arch_definitions[i];
458 if (def->type == arch_type)
459 return def;
460 }
461 return nullptr;
462 }
463
464 // Get an architecture definition by name.
FindCoreDefinition(llvm::StringRef name)465 static const CoreDefinition *FindCoreDefinition(llvm::StringRef name) {
466 for (unsigned int i = 0; i < llvm::array_lengthof(g_core_definitions); ++i) {
467 if (name.equals_lower(g_core_definitions[i].name))
468 return &g_core_definitions[i];
469 }
470 return nullptr;
471 }
472
FindCoreDefinition(ArchSpec::Core core)473 static inline const CoreDefinition *FindCoreDefinition(ArchSpec::Core core) {
474 if (core < llvm::array_lengthof(g_core_definitions))
475 return &g_core_definitions[core];
476 return nullptr;
477 }
478
479 // Get a definition entry by cpu type and subtype.
480 static const ArchDefinitionEntry *
FindArchDefinitionEntry(const ArchDefinition * def,uint32_t cpu,uint32_t sub)481 FindArchDefinitionEntry(const ArchDefinition *def, uint32_t cpu, uint32_t sub) {
482 if (def == nullptr)
483 return nullptr;
484
485 const ArchDefinitionEntry *entries = def->entries;
486 for (size_t i = 0; i < def->num_entries; ++i) {
487 if (entries[i].cpu == (cpu & entries[i].cpu_mask))
488 if (entries[i].sub == (sub & entries[i].sub_mask))
489 return &entries[i];
490 }
491 return nullptr;
492 }
493
494 static const ArchDefinitionEntry *
FindArchDefinitionEntry(const ArchDefinition * def,ArchSpec::Core core)495 FindArchDefinitionEntry(const ArchDefinition *def, ArchSpec::Core core) {
496 if (def == nullptr)
497 return nullptr;
498
499 const ArchDefinitionEntry *entries = def->entries;
500 for (size_t i = 0; i < def->num_entries; ++i) {
501 if (entries[i].core == core)
502 return &entries[i];
503 }
504 return nullptr;
505 }
506
507 //===----------------------------------------------------------------------===//
508 // Constructors and destructors.
509
ArchSpec()510 ArchSpec::ArchSpec() {}
511
ArchSpec(const char * triple_cstr)512 ArchSpec::ArchSpec(const char *triple_cstr) {
513 if (triple_cstr)
514 SetTriple(triple_cstr);
515 }
516
ArchSpec(llvm::StringRef triple_str)517 ArchSpec::ArchSpec(llvm::StringRef triple_str) { SetTriple(triple_str); }
518
ArchSpec(const llvm::Triple & triple)519 ArchSpec::ArchSpec(const llvm::Triple &triple) { SetTriple(triple); }
520
ArchSpec(ArchitectureType arch_type,uint32_t cpu,uint32_t subtype)521 ArchSpec::ArchSpec(ArchitectureType arch_type, uint32_t cpu, uint32_t subtype) {
522 SetArchitecture(arch_type, cpu, subtype);
523 }
524
525 ArchSpec::~ArchSpec() = default;
526
Clear()527 void ArchSpec::Clear() {
528 m_triple = llvm::Triple();
529 m_core = kCore_invalid;
530 m_byte_order = eByteOrderInvalid;
531 m_distribution_id.Clear();
532 m_flags = 0;
533 }
534
535 //===----------------------------------------------------------------------===//
536 // Predicates.
537
GetArchitectureName() const538 const char *ArchSpec::GetArchitectureName() const {
539 const CoreDefinition *core_def = FindCoreDefinition(m_core);
540 if (core_def)
541 return core_def->name;
542 return "unknown";
543 }
544
IsMIPS() const545 bool ArchSpec::IsMIPS() const { return GetTriple().isMIPS(); }
546
GetTargetABI() const547 std::string ArchSpec::GetTargetABI() const {
548
549 std::string abi;
550
551 if (IsMIPS()) {
552 switch (GetFlags() & ArchSpec::eMIPSABI_mask) {
553 case ArchSpec::eMIPSABI_N64:
554 abi = "n64";
555 return abi;
556 case ArchSpec::eMIPSABI_N32:
557 abi = "n32";
558 return abi;
559 case ArchSpec::eMIPSABI_O32:
560 abi = "o32";
561 return abi;
562 default:
563 return abi;
564 }
565 }
566 return abi;
567 }
568
SetFlags(const std::string & elf_abi)569 void ArchSpec::SetFlags(const std::string &elf_abi) {
570
571 uint32_t flag = GetFlags();
572 if (IsMIPS()) {
573 if (elf_abi == "n64")
574 flag |= ArchSpec::eMIPSABI_N64;
575 else if (elf_abi == "n32")
576 flag |= ArchSpec::eMIPSABI_N32;
577 else if (elf_abi == "o32")
578 flag |= ArchSpec::eMIPSABI_O32;
579 }
580 SetFlags(flag);
581 }
582
GetClangTargetCPU() const583 std::string ArchSpec::GetClangTargetCPU() const {
584 std::string cpu;
585
586 if (IsMIPS()) {
587 switch (m_core) {
588 case ArchSpec::eCore_mips32:
589 case ArchSpec::eCore_mips32el:
590 cpu = "mips32";
591 break;
592 case ArchSpec::eCore_mips32r2:
593 case ArchSpec::eCore_mips32r2el:
594 cpu = "mips32r2";
595 break;
596 case ArchSpec::eCore_mips32r3:
597 case ArchSpec::eCore_mips32r3el:
598 cpu = "mips32r3";
599 break;
600 case ArchSpec::eCore_mips32r5:
601 case ArchSpec::eCore_mips32r5el:
602 cpu = "mips32r5";
603 break;
604 case ArchSpec::eCore_mips32r6:
605 case ArchSpec::eCore_mips32r6el:
606 cpu = "mips32r6";
607 break;
608 case ArchSpec::eCore_mips64:
609 case ArchSpec::eCore_mips64el:
610 cpu = "mips64";
611 break;
612 case ArchSpec::eCore_mips64r2:
613 case ArchSpec::eCore_mips64r2el:
614 cpu = "mips64r2";
615 break;
616 case ArchSpec::eCore_mips64r3:
617 case ArchSpec::eCore_mips64r3el:
618 cpu = "mips64r3";
619 break;
620 case ArchSpec::eCore_mips64r5:
621 case ArchSpec::eCore_mips64r5el:
622 cpu = "mips64r5";
623 break;
624 case ArchSpec::eCore_mips64r6:
625 case ArchSpec::eCore_mips64r6el:
626 cpu = "mips64r6";
627 break;
628 default:
629 break;
630 }
631 }
632 return cpu;
633 }
634
GetMachOCPUType() const635 uint32_t ArchSpec::GetMachOCPUType() const {
636 const CoreDefinition *core_def = FindCoreDefinition(m_core);
637 if (core_def) {
638 const ArchDefinitionEntry *arch_def =
639 FindArchDefinitionEntry(&g_macho_arch_def, core_def->core);
640 if (arch_def) {
641 return arch_def->cpu;
642 }
643 }
644 return LLDB_INVALID_CPUTYPE;
645 }
646
GetMachOCPUSubType() const647 uint32_t ArchSpec::GetMachOCPUSubType() const {
648 const CoreDefinition *core_def = FindCoreDefinition(m_core);
649 if (core_def) {
650 const ArchDefinitionEntry *arch_def =
651 FindArchDefinitionEntry(&g_macho_arch_def, core_def->core);
652 if (arch_def) {
653 return arch_def->sub;
654 }
655 }
656 return LLDB_INVALID_CPUTYPE;
657 }
658
GetDataByteSize() const659 uint32_t ArchSpec::GetDataByteSize() const {
660 return 1;
661 }
662
GetCodeByteSize() const663 uint32_t ArchSpec::GetCodeByteSize() const {
664 return 1;
665 }
666
GetMachine() const667 llvm::Triple::ArchType ArchSpec::GetMachine() const {
668 const CoreDefinition *core_def = FindCoreDefinition(m_core);
669 if (core_def)
670 return core_def->machine;
671
672 return llvm::Triple::UnknownArch;
673 }
674
GetDistributionId() const675 ConstString ArchSpec::GetDistributionId() const {
676 return m_distribution_id;
677 }
678
SetDistributionId(const char * distribution_id)679 void ArchSpec::SetDistributionId(const char *distribution_id) {
680 m_distribution_id.SetCString(distribution_id);
681 }
682
GetAddressByteSize() const683 uint32_t ArchSpec::GetAddressByteSize() const {
684 const CoreDefinition *core_def = FindCoreDefinition(m_core);
685 if (core_def) {
686 if (core_def->machine == llvm::Triple::mips64 ||
687 core_def->machine == llvm::Triple::mips64el) {
688 // For N32/O32 applications Address size is 4 bytes.
689 if (m_flags & (eMIPSABI_N32 | eMIPSABI_O32))
690 return 4;
691 }
692 return core_def->addr_byte_size;
693 }
694 return 0;
695 }
696
GetDefaultEndian() const697 ByteOrder ArchSpec::GetDefaultEndian() const {
698 const CoreDefinition *core_def = FindCoreDefinition(m_core);
699 if (core_def)
700 return core_def->default_byte_order;
701 return eByteOrderInvalid;
702 }
703
CharIsSignedByDefault() const704 bool ArchSpec::CharIsSignedByDefault() const {
705 switch (m_triple.getArch()) {
706 default:
707 return true;
708
709 case llvm::Triple::aarch64:
710 case llvm::Triple::aarch64_32:
711 case llvm::Triple::aarch64_be:
712 case llvm::Triple::arm:
713 case llvm::Triple::armeb:
714 case llvm::Triple::thumb:
715 case llvm::Triple::thumbeb:
716 return m_triple.isOSDarwin() || m_triple.isOSWindows();
717
718 case llvm::Triple::ppc:
719 case llvm::Triple::ppc64:
720 return m_triple.isOSDarwin();
721
722 case llvm::Triple::ppc64le:
723 case llvm::Triple::systemz:
724 case llvm::Triple::xcore:
725 case llvm::Triple::arc:
726 return false;
727 }
728 }
729
GetByteOrder() const730 lldb::ByteOrder ArchSpec::GetByteOrder() const {
731 if (m_byte_order == eByteOrderInvalid)
732 return GetDefaultEndian();
733 return m_byte_order;
734 }
735
736 //===----------------------------------------------------------------------===//
737 // Mutators.
738
SetTriple(const llvm::Triple & triple)739 bool ArchSpec::SetTriple(const llvm::Triple &triple) {
740 m_triple = triple;
741 UpdateCore();
742 return IsValid();
743 }
744
ParseMachCPUDashSubtypeTriple(llvm::StringRef triple_str,ArchSpec & arch)745 bool lldb_private::ParseMachCPUDashSubtypeTriple(llvm::StringRef triple_str,
746 ArchSpec &arch) {
747 // Accept "12-10" or "12.10" as cpu type/subtype
748 if (triple_str.empty())
749 return false;
750
751 size_t pos = triple_str.find_first_of("-.");
752 if (pos == llvm::StringRef::npos)
753 return false;
754
755 llvm::StringRef cpu_str = triple_str.substr(0, pos);
756 llvm::StringRef remainder = triple_str.substr(pos + 1);
757 if (cpu_str.empty() || remainder.empty())
758 return false;
759
760 llvm::StringRef sub_str;
761 llvm::StringRef vendor;
762 llvm::StringRef os;
763 std::tie(sub_str, remainder) = remainder.split('-');
764 std::tie(vendor, os) = remainder.split('-');
765
766 uint32_t cpu = 0;
767 uint32_t sub = 0;
768 if (cpu_str.getAsInteger(10, cpu) || sub_str.getAsInteger(10, sub))
769 return false;
770
771 if (!arch.SetArchitecture(eArchTypeMachO, cpu, sub))
772 return false;
773 if (!vendor.empty() && !os.empty()) {
774 arch.GetTriple().setVendorName(vendor);
775 arch.GetTriple().setOSName(os);
776 }
777
778 return true;
779 }
780
SetTriple(llvm::StringRef triple)781 bool ArchSpec::SetTriple(llvm::StringRef triple) {
782 if (triple.empty()) {
783 Clear();
784 return false;
785 }
786
787 if (ParseMachCPUDashSubtypeTriple(triple, *this))
788 return true;
789
790 SetTriple(llvm::Triple(llvm::Triple::normalize(triple)));
791 return IsValid();
792 }
793
ContainsOnlyArch(const llvm::Triple & normalized_triple)794 bool ArchSpec::ContainsOnlyArch(const llvm::Triple &normalized_triple) {
795 return !normalized_triple.getArchName().empty() &&
796 normalized_triple.getOSName().empty() &&
797 normalized_triple.getVendorName().empty() &&
798 normalized_triple.getEnvironmentName().empty();
799 }
800
MergeFrom(const ArchSpec & other)801 void ArchSpec::MergeFrom(const ArchSpec &other) {
802 // ios-macabi always wins over macosx.
803 if ((GetTriple().getOS() == llvm::Triple::MacOSX ||
804 GetTriple().getOS() == llvm::Triple::UnknownOS) &&
805 other.GetTriple().getOS() == llvm::Triple::IOS &&
806 other.GetTriple().getEnvironment() == llvm::Triple::MacABI) {
807 (*this) = other;
808 return;
809 }
810
811 if (!TripleVendorWasSpecified() && other.TripleVendorWasSpecified())
812 GetTriple().setVendor(other.GetTriple().getVendor());
813 if (!TripleOSWasSpecified() && other.TripleOSWasSpecified())
814 GetTriple().setOS(other.GetTriple().getOS());
815 if (GetTriple().getArch() == llvm::Triple::UnknownArch) {
816 GetTriple().setArch(other.GetTriple().getArch());
817
818 // MachO unknown64 isn't really invalid as the debugger can still obtain
819 // information from the binary, e.g. line tables. As such, we don't update
820 // the core here.
821 if (other.GetCore() != eCore_uknownMach64)
822 UpdateCore();
823 }
824 if (!TripleEnvironmentWasSpecified() &&
825 other.TripleEnvironmentWasSpecified()) {
826 GetTriple().setEnvironment(other.GetTriple().getEnvironment());
827 }
828 // If this and other are both arm ArchSpecs and this ArchSpec is a generic
829 // "some kind of arm" spec but the other ArchSpec is a specific arm core,
830 // adopt the specific arm core.
831 if (GetTriple().getArch() == llvm::Triple::arm &&
832 other.GetTriple().getArch() == llvm::Triple::arm &&
833 IsCompatibleMatch(other) && GetCore() == ArchSpec::eCore_arm_generic &&
834 other.GetCore() != ArchSpec::eCore_arm_generic) {
835 m_core = other.GetCore();
836 CoreUpdated(false);
837 }
838 if (GetFlags() == 0) {
839 SetFlags(other.GetFlags());
840 }
841 }
842
SetArchitecture(ArchitectureType arch_type,uint32_t cpu,uint32_t sub,uint32_t os)843 bool ArchSpec::SetArchitecture(ArchitectureType arch_type, uint32_t cpu,
844 uint32_t sub, uint32_t os) {
845 m_core = kCore_invalid;
846 bool update_triple = true;
847 const ArchDefinition *arch_def = FindArchDefinition(arch_type);
848 if (arch_def) {
849 const ArchDefinitionEntry *arch_def_entry =
850 FindArchDefinitionEntry(arch_def, cpu, sub);
851 if (arch_def_entry) {
852 const CoreDefinition *core_def = FindCoreDefinition(arch_def_entry->core);
853 if (core_def) {
854 m_core = core_def->core;
855 update_triple = false;
856 // Always use the architecture name because it might be more
857 // descriptive than the architecture enum ("armv7" ->
858 // llvm::Triple::arm).
859 m_triple.setArchName(llvm::StringRef(core_def->name));
860 if (arch_type == eArchTypeMachO) {
861 m_triple.setVendor(llvm::Triple::Apple);
862
863 // Don't set the OS. It could be simulator, macosx, ios, watchos,
864 // tvos, bridgeos. We could get close with the cpu type - but we
865 // can't get it right all of the time. Better to leave this unset
866 // so other sections of code will set it when they have more
867 // information. NB: don't call m_triple.setOS
868 // (llvm::Triple::UnknownOS). That sets the OSName to "unknown" and
869 // the ArchSpec::TripleVendorWasSpecified() method says that any
870 // OSName setting means it was specified.
871 } else if (arch_type == eArchTypeELF) {
872 switch (os) {
873 case llvm::ELF::ELFOSABI_AIX:
874 m_triple.setOS(llvm::Triple::OSType::AIX);
875 break;
876 case llvm::ELF::ELFOSABI_FREEBSD:
877 m_triple.setOS(llvm::Triple::OSType::FreeBSD);
878 break;
879 case llvm::ELF::ELFOSABI_GNU:
880 m_triple.setOS(llvm::Triple::OSType::Linux);
881 break;
882 case llvm::ELF::ELFOSABI_NETBSD:
883 m_triple.setOS(llvm::Triple::OSType::NetBSD);
884 break;
885 case llvm::ELF::ELFOSABI_OPENBSD:
886 m_triple.setOS(llvm::Triple::OSType::OpenBSD);
887 break;
888 case llvm::ELF::ELFOSABI_SOLARIS:
889 m_triple.setOS(llvm::Triple::OSType::Solaris);
890 break;
891 }
892 } else if (arch_type == eArchTypeCOFF && os == llvm::Triple::Win32) {
893 m_triple.setVendor(llvm::Triple::PC);
894 m_triple.setOS(llvm::Triple::Win32);
895 } else {
896 m_triple.setVendor(llvm::Triple::UnknownVendor);
897 m_triple.setOS(llvm::Triple::UnknownOS);
898 }
899 // Fall back onto setting the machine type if the arch by name
900 // failed...
901 if (m_triple.getArch() == llvm::Triple::UnknownArch)
902 m_triple.setArch(core_def->machine);
903 }
904 } else {
905 Log *log(lldb_private::GetLogIfAnyCategoriesSet(LIBLLDB_LOG_TARGET | LIBLLDB_LOG_PROCESS | LIBLLDB_LOG_PLATFORM));
906 LLDB_LOGF(log,
907 "Unable to find a core definition for cpu 0x%" PRIx32
908 " sub %" PRId32,
909 cpu, sub);
910 }
911 }
912 CoreUpdated(update_triple);
913 return IsValid();
914 }
915
GetMinimumOpcodeByteSize() const916 uint32_t ArchSpec::GetMinimumOpcodeByteSize() const {
917 const CoreDefinition *core_def = FindCoreDefinition(m_core);
918 if (core_def)
919 return core_def->min_opcode_byte_size;
920 return 0;
921 }
922
GetMaximumOpcodeByteSize() const923 uint32_t ArchSpec::GetMaximumOpcodeByteSize() const {
924 const CoreDefinition *core_def = FindCoreDefinition(m_core);
925 if (core_def)
926 return core_def->max_opcode_byte_size;
927 return 0;
928 }
929
IsExactMatch(const ArchSpec & rhs) const930 bool ArchSpec::IsExactMatch(const ArchSpec &rhs) const {
931 return IsEqualTo(rhs, true);
932 }
933
IsCompatibleMatch(const ArchSpec & rhs) const934 bool ArchSpec::IsCompatibleMatch(const ArchSpec &rhs) const {
935 return IsEqualTo(rhs, false);
936 }
937
IsCompatibleEnvironment(llvm::Triple::EnvironmentType lhs,llvm::Triple::EnvironmentType rhs)938 static bool IsCompatibleEnvironment(llvm::Triple::EnvironmentType lhs,
939 llvm::Triple::EnvironmentType rhs) {
940 if (lhs == rhs)
941 return true;
942
943 // Apple simulators are a different platform than what they simulate.
944 // As the environments are different at this point, if one of them is a
945 // simulator, then they are different.
946 if (lhs == llvm::Triple::Simulator || rhs == llvm::Triple::Simulator)
947 return false;
948
949 // If any of the environment is unknown then they are compatible
950 if (lhs == llvm::Triple::UnknownEnvironment ||
951 rhs == llvm::Triple::UnknownEnvironment)
952 return true;
953
954 // If one of the environment is Android and the other one is EABI then they
955 // are considered to be compatible. This is required as a workaround for
956 // shared libraries compiled for Android without the NOTE section indicating
957 // that they are using the Android ABI.
958 if ((lhs == llvm::Triple::Android && rhs == llvm::Triple::EABI) ||
959 (rhs == llvm::Triple::Android && lhs == llvm::Triple::EABI) ||
960 (lhs == llvm::Triple::GNUEABI && rhs == llvm::Triple::EABI) ||
961 (rhs == llvm::Triple::GNUEABI && lhs == llvm::Triple::EABI) ||
962 (lhs == llvm::Triple::GNUEABIHF && rhs == llvm::Triple::EABIHF) ||
963 (rhs == llvm::Triple::GNUEABIHF && lhs == llvm::Triple::EABIHF))
964 return true;
965
966 return false;
967 }
968
IsEqualTo(const ArchSpec & rhs,bool exact_match) const969 bool ArchSpec::IsEqualTo(const ArchSpec &rhs, bool exact_match) const {
970 // explicitly ignoring m_distribution_id in this method.
971
972 if (GetByteOrder() != rhs.GetByteOrder() ||
973 !cores_match(GetCore(), rhs.GetCore(), true, exact_match))
974 return false;
975
976 const llvm::Triple &lhs_triple = GetTriple();
977 const llvm::Triple &rhs_triple = rhs.GetTriple();
978
979 const llvm::Triple::VendorType lhs_triple_vendor = lhs_triple.getVendor();
980 const llvm::Triple::VendorType rhs_triple_vendor = rhs_triple.getVendor();
981 if (lhs_triple_vendor != rhs_triple_vendor) {
982 const bool rhs_vendor_specified = rhs.TripleVendorWasSpecified();
983 const bool lhs_vendor_specified = TripleVendorWasSpecified();
984 // Both architectures had the vendor specified, so if they aren't equal
985 // then we return false
986 if (rhs_vendor_specified && lhs_vendor_specified)
987 return false;
988
989 // Only fail if both vendor types are not unknown
990 if (lhs_triple_vendor != llvm::Triple::UnknownVendor &&
991 rhs_triple_vendor != llvm::Triple::UnknownVendor)
992 return false;
993 }
994
995 const llvm::Triple::OSType lhs_triple_os = lhs_triple.getOS();
996 const llvm::Triple::OSType rhs_triple_os = rhs_triple.getOS();
997 const llvm::Triple::EnvironmentType lhs_triple_env =
998 lhs_triple.getEnvironment();
999 const llvm::Triple::EnvironmentType rhs_triple_env =
1000 rhs_triple.getEnvironment();
1001
1002 if (!exact_match) {
1003 // x86_64-apple-ios-macabi, x86_64-apple-macosx are compatible, no match.
1004 if ((lhs_triple_os == llvm::Triple::IOS &&
1005 lhs_triple_env == llvm::Triple::MacABI &&
1006 rhs_triple_os == llvm::Triple::MacOSX) ||
1007 (lhs_triple_os == llvm::Triple::MacOSX &&
1008 rhs_triple_os == llvm::Triple::IOS &&
1009 rhs_triple_env == llvm::Triple::MacABI))
1010 return true;
1011 }
1012
1013 // x86_64-apple-ios-macabi and x86_64-apple-ios are not compatible.
1014 if (lhs_triple_os == llvm::Triple::IOS &&
1015 rhs_triple_os == llvm::Triple::IOS &&
1016 (lhs_triple_env == llvm::Triple::MacABI ||
1017 rhs_triple_env == llvm::Triple::MacABI) &&
1018 lhs_triple_env != rhs_triple_env)
1019 return false;
1020
1021 if (lhs_triple_os != rhs_triple_os) {
1022 const bool lhs_os_specified = TripleOSWasSpecified();
1023 const bool rhs_os_specified = rhs.TripleOSWasSpecified();
1024 // If both OS types are specified and different, fail.
1025 if (lhs_os_specified && rhs_os_specified)
1026 return false;
1027
1028 // If the pair of os+env is both unspecified, match any other os+env combo.
1029 if (!exact_match && ((!lhs_os_specified && !lhs_triple.hasEnvironment()) ||
1030 (!rhs_os_specified && !rhs_triple.hasEnvironment())))
1031 return true;
1032 }
1033
1034 return IsCompatibleEnvironment(lhs_triple_env, rhs_triple_env);
1035 }
1036
UpdateCore()1037 void ArchSpec::UpdateCore() {
1038 llvm::StringRef arch_name(m_triple.getArchName());
1039 const CoreDefinition *core_def = FindCoreDefinition(arch_name);
1040 if (core_def) {
1041 m_core = core_def->core;
1042 // Set the byte order to the default byte order for an architecture. This
1043 // can be modified if needed for cases when cores handle both big and
1044 // little endian
1045 m_byte_order = core_def->default_byte_order;
1046 } else {
1047 Clear();
1048 }
1049 }
1050
1051 //===----------------------------------------------------------------------===//
1052 // Helper methods.
1053
CoreUpdated(bool update_triple)1054 void ArchSpec::CoreUpdated(bool update_triple) {
1055 const CoreDefinition *core_def = FindCoreDefinition(m_core);
1056 if (core_def) {
1057 if (update_triple)
1058 m_triple = llvm::Triple(core_def->name, "unknown", "unknown");
1059 m_byte_order = core_def->default_byte_order;
1060 } else {
1061 if (update_triple)
1062 m_triple = llvm::Triple();
1063 m_byte_order = eByteOrderInvalid;
1064 }
1065 }
1066
1067 //===----------------------------------------------------------------------===//
1068 // Operators.
1069
cores_match(const ArchSpec::Core core1,const ArchSpec::Core core2,bool try_inverse,bool enforce_exact_match)1070 static bool cores_match(const ArchSpec::Core core1, const ArchSpec::Core core2,
1071 bool try_inverse, bool enforce_exact_match) {
1072 if (core1 == core2)
1073 return true;
1074
1075 switch (core1) {
1076 case ArchSpec::kCore_any:
1077 return true;
1078
1079 case ArchSpec::eCore_arm_generic:
1080 if (enforce_exact_match)
1081 break;
1082 LLVM_FALLTHROUGH;
1083 case ArchSpec::kCore_arm_any:
1084 if (core2 >= ArchSpec::kCore_arm_first && core2 <= ArchSpec::kCore_arm_last)
1085 return true;
1086 if (core2 >= ArchSpec::kCore_thumb_first &&
1087 core2 <= ArchSpec::kCore_thumb_last)
1088 return true;
1089 if (core2 == ArchSpec::kCore_arm_any)
1090 return true;
1091 break;
1092
1093 case ArchSpec::kCore_x86_32_any:
1094 if ((core2 >= ArchSpec::kCore_x86_32_first &&
1095 core2 <= ArchSpec::kCore_x86_32_last) ||
1096 (core2 == ArchSpec::kCore_x86_32_any))
1097 return true;
1098 break;
1099
1100 case ArchSpec::kCore_x86_64_any:
1101 if ((core2 >= ArchSpec::kCore_x86_64_first &&
1102 core2 <= ArchSpec::kCore_x86_64_last) ||
1103 (core2 == ArchSpec::kCore_x86_64_any))
1104 return true;
1105 break;
1106
1107 case ArchSpec::kCore_ppc_any:
1108 if ((core2 >= ArchSpec::kCore_ppc_first &&
1109 core2 <= ArchSpec::kCore_ppc_last) ||
1110 (core2 == ArchSpec::kCore_ppc_any))
1111 return true;
1112 break;
1113
1114 case ArchSpec::kCore_ppc64_any:
1115 if ((core2 >= ArchSpec::kCore_ppc64_first &&
1116 core2 <= ArchSpec::kCore_ppc64_last) ||
1117 (core2 == ArchSpec::kCore_ppc64_any))
1118 return true;
1119 break;
1120
1121 case ArchSpec::eCore_arm_armv6m:
1122 if (!enforce_exact_match) {
1123 if (core2 == ArchSpec::eCore_arm_generic)
1124 return true;
1125 try_inverse = false;
1126 if (core2 == ArchSpec::eCore_arm_armv7)
1127 return true;
1128 if (core2 == ArchSpec::eCore_arm_armv6m)
1129 return true;
1130 }
1131 break;
1132
1133 case ArchSpec::kCore_hexagon_any:
1134 if ((core2 >= ArchSpec::kCore_hexagon_first &&
1135 core2 <= ArchSpec::kCore_hexagon_last) ||
1136 (core2 == ArchSpec::kCore_hexagon_any))
1137 return true;
1138 break;
1139
1140 // v. https://en.wikipedia.org/wiki/ARM_Cortex-M#Silicon_customization
1141 // Cortex-M0 - ARMv6-M - armv6m Cortex-M3 - ARMv7-M - armv7m Cortex-M4 -
1142 // ARMv7E-M - armv7em
1143 case ArchSpec::eCore_arm_armv7em:
1144 if (!enforce_exact_match) {
1145 if (core2 == ArchSpec::eCore_arm_generic)
1146 return true;
1147 if (core2 == ArchSpec::eCore_arm_armv7m)
1148 return true;
1149 if (core2 == ArchSpec::eCore_arm_armv6m)
1150 return true;
1151 if (core2 == ArchSpec::eCore_arm_armv7)
1152 return true;
1153 try_inverse = true;
1154 }
1155 break;
1156
1157 // v. https://en.wikipedia.org/wiki/ARM_Cortex-M#Silicon_customization
1158 // Cortex-M0 - ARMv6-M - armv6m Cortex-M3 - ARMv7-M - armv7m Cortex-M4 -
1159 // ARMv7E-M - armv7em
1160 case ArchSpec::eCore_arm_armv7m:
1161 if (!enforce_exact_match) {
1162 if (core2 == ArchSpec::eCore_arm_generic)
1163 return true;
1164 if (core2 == ArchSpec::eCore_arm_armv6m)
1165 return true;
1166 if (core2 == ArchSpec::eCore_arm_armv7)
1167 return true;
1168 if (core2 == ArchSpec::eCore_arm_armv7em)
1169 return true;
1170 try_inverse = true;
1171 }
1172 break;
1173
1174 case ArchSpec::eCore_arm_armv7f:
1175 case ArchSpec::eCore_arm_armv7k:
1176 case ArchSpec::eCore_arm_armv7s:
1177 case ArchSpec::eCore_arm_armv7l:
1178 case ArchSpec::eCore_arm_armv8l:
1179 if (!enforce_exact_match) {
1180 if (core2 == ArchSpec::eCore_arm_generic)
1181 return true;
1182 if (core2 == ArchSpec::eCore_arm_armv7)
1183 return true;
1184 try_inverse = false;
1185 }
1186 break;
1187
1188 case ArchSpec::eCore_x86_64_x86_64h:
1189 if (!enforce_exact_match) {
1190 try_inverse = false;
1191 if (core2 == ArchSpec::eCore_x86_64_x86_64)
1192 return true;
1193 }
1194 break;
1195
1196 case ArchSpec::eCore_arm_armv8:
1197 if (!enforce_exact_match) {
1198 if (core2 == ArchSpec::eCore_arm_arm64)
1199 return true;
1200 if (core2 == ArchSpec::eCore_arm_aarch64)
1201 return true;
1202 if (core2 == ArchSpec::eCore_arm_arm64e)
1203 return true;
1204 try_inverse = false;
1205 }
1206 break;
1207
1208 case ArchSpec::eCore_arm_arm64e:
1209 if (!enforce_exact_match) {
1210 if (core2 == ArchSpec::eCore_arm_arm64)
1211 return true;
1212 if (core2 == ArchSpec::eCore_arm_aarch64)
1213 return true;
1214 if (core2 == ArchSpec::eCore_arm_armv8)
1215 return true;
1216 try_inverse = false;
1217 }
1218 break;
1219 case ArchSpec::eCore_arm_aarch64:
1220 if (!enforce_exact_match) {
1221 if (core2 == ArchSpec::eCore_arm_arm64)
1222 return true;
1223 if (core2 == ArchSpec::eCore_arm_armv8)
1224 return true;
1225 if (core2 == ArchSpec::eCore_arm_arm64e)
1226 return true;
1227 try_inverse = false;
1228 }
1229 break;
1230
1231 case ArchSpec::eCore_arm_arm64:
1232 if (!enforce_exact_match) {
1233 if (core2 == ArchSpec::eCore_arm_aarch64)
1234 return true;
1235 if (core2 == ArchSpec::eCore_arm_armv8)
1236 return true;
1237 if (core2 == ArchSpec::eCore_arm_arm64e)
1238 return true;
1239 try_inverse = false;
1240 }
1241 break;
1242
1243 case ArchSpec::eCore_arm_arm64_32:
1244 if (!enforce_exact_match) {
1245 if (core2 == ArchSpec::eCore_arm_generic)
1246 return true;
1247 try_inverse = false;
1248 }
1249 break;
1250
1251 case ArchSpec::eCore_mips32:
1252 if (!enforce_exact_match) {
1253 if (core2 >= ArchSpec::kCore_mips32_first &&
1254 core2 <= ArchSpec::kCore_mips32_last)
1255 return true;
1256 try_inverse = false;
1257 }
1258 break;
1259
1260 case ArchSpec::eCore_mips32el:
1261 if (!enforce_exact_match) {
1262 if (core2 >= ArchSpec::kCore_mips32el_first &&
1263 core2 <= ArchSpec::kCore_mips32el_last)
1264 return true;
1265 try_inverse = true;
1266 }
1267 break;
1268
1269 case ArchSpec::eCore_mips64:
1270 if (!enforce_exact_match) {
1271 if (core2 >= ArchSpec::kCore_mips32_first &&
1272 core2 <= ArchSpec::kCore_mips32_last)
1273 return true;
1274 if (core2 >= ArchSpec::kCore_mips64_first &&
1275 core2 <= ArchSpec::kCore_mips64_last)
1276 return true;
1277 try_inverse = false;
1278 }
1279 break;
1280
1281 case ArchSpec::eCore_mips64el:
1282 if (!enforce_exact_match) {
1283 if (core2 >= ArchSpec::kCore_mips32el_first &&
1284 core2 <= ArchSpec::kCore_mips32el_last)
1285 return true;
1286 if (core2 >= ArchSpec::kCore_mips64el_first &&
1287 core2 <= ArchSpec::kCore_mips64el_last)
1288 return true;
1289 try_inverse = false;
1290 }
1291 break;
1292
1293 case ArchSpec::eCore_mips64r2:
1294 case ArchSpec::eCore_mips64r3:
1295 case ArchSpec::eCore_mips64r5:
1296 if (!enforce_exact_match) {
1297 if (core2 >= ArchSpec::kCore_mips32_first && core2 <= (core1 - 10))
1298 return true;
1299 if (core2 >= ArchSpec::kCore_mips64_first && core2 <= (core1 - 1))
1300 return true;
1301 try_inverse = false;
1302 }
1303 break;
1304
1305 case ArchSpec::eCore_mips64r2el:
1306 case ArchSpec::eCore_mips64r3el:
1307 case ArchSpec::eCore_mips64r5el:
1308 if (!enforce_exact_match) {
1309 if (core2 >= ArchSpec::kCore_mips32el_first && core2 <= (core1 - 10))
1310 return true;
1311 if (core2 >= ArchSpec::kCore_mips64el_first && core2 <= (core1 - 1))
1312 return true;
1313 try_inverse = false;
1314 }
1315 break;
1316
1317 case ArchSpec::eCore_mips32r2:
1318 case ArchSpec::eCore_mips32r3:
1319 case ArchSpec::eCore_mips32r5:
1320 if (!enforce_exact_match) {
1321 if (core2 >= ArchSpec::kCore_mips32_first && core2 <= core1)
1322 return true;
1323 }
1324 break;
1325
1326 case ArchSpec::eCore_mips32r2el:
1327 case ArchSpec::eCore_mips32r3el:
1328 case ArchSpec::eCore_mips32r5el:
1329 if (!enforce_exact_match) {
1330 if (core2 >= ArchSpec::kCore_mips32el_first && core2 <= core1)
1331 return true;
1332 }
1333 break;
1334
1335 case ArchSpec::eCore_mips32r6:
1336 if (!enforce_exact_match) {
1337 if (core2 == ArchSpec::eCore_mips32 || core2 == ArchSpec::eCore_mips32r6)
1338 return true;
1339 }
1340 break;
1341
1342 case ArchSpec::eCore_mips32r6el:
1343 if (!enforce_exact_match) {
1344 if (core2 == ArchSpec::eCore_mips32el ||
1345 core2 == ArchSpec::eCore_mips32r6el)
1346 return true;
1347 }
1348 break;
1349
1350 case ArchSpec::eCore_mips64r6:
1351 if (!enforce_exact_match) {
1352 if (core2 == ArchSpec::eCore_mips32 || core2 == ArchSpec::eCore_mips32r6)
1353 return true;
1354 if (core2 == ArchSpec::eCore_mips64 || core2 == ArchSpec::eCore_mips64r6)
1355 return true;
1356 }
1357 break;
1358
1359 case ArchSpec::eCore_mips64r6el:
1360 if (!enforce_exact_match) {
1361 if (core2 == ArchSpec::eCore_mips32el ||
1362 core2 == ArchSpec::eCore_mips32r6el)
1363 return true;
1364 if (core2 == ArchSpec::eCore_mips64el ||
1365 core2 == ArchSpec::eCore_mips64r6el)
1366 return true;
1367 }
1368 break;
1369
1370 default:
1371 break;
1372 }
1373 if (try_inverse)
1374 return cores_match(core2, core1, false, enforce_exact_match);
1375 return false;
1376 }
1377
operator <(const ArchSpec & lhs,const ArchSpec & rhs)1378 bool lldb_private::operator<(const ArchSpec &lhs, const ArchSpec &rhs) {
1379 const ArchSpec::Core lhs_core = lhs.GetCore();
1380 const ArchSpec::Core rhs_core = rhs.GetCore();
1381 return lhs_core < rhs_core;
1382 }
1383
1384
operator ==(const ArchSpec & lhs,const ArchSpec & rhs)1385 bool lldb_private::operator==(const ArchSpec &lhs, const ArchSpec &rhs) {
1386 return lhs.GetCore() == rhs.GetCore();
1387 }
1388
IsFullySpecifiedTriple() const1389 bool ArchSpec::IsFullySpecifiedTriple() const {
1390 const auto &user_specified_triple = GetTriple();
1391
1392 bool user_triple_fully_specified = false;
1393
1394 if ((user_specified_triple.getOS() != llvm::Triple::UnknownOS) ||
1395 TripleOSWasSpecified()) {
1396 if ((user_specified_triple.getVendor() != llvm::Triple::UnknownVendor) ||
1397 TripleVendorWasSpecified()) {
1398 const unsigned unspecified = 0;
1399 if (!user_specified_triple.isOSDarwin() ||
1400 user_specified_triple.getOSMajorVersion() != unspecified) {
1401 user_triple_fully_specified = true;
1402 }
1403 }
1404 }
1405
1406 return user_triple_fully_specified;
1407 }
1408
PiecewiseTripleCompare(const ArchSpec & other,bool & arch_different,bool & vendor_different,bool & os_different,bool & os_version_different,bool & env_different) const1409 void ArchSpec::PiecewiseTripleCompare(
1410 const ArchSpec &other, bool &arch_different, bool &vendor_different,
1411 bool &os_different, bool &os_version_different, bool &env_different) const {
1412 const llvm::Triple &me(GetTriple());
1413 const llvm::Triple &them(other.GetTriple());
1414
1415 arch_different = (me.getArch() != them.getArch());
1416
1417 vendor_different = (me.getVendor() != them.getVendor());
1418
1419 os_different = (me.getOS() != them.getOS());
1420
1421 os_version_different = (me.getOSMajorVersion() != them.getOSMajorVersion());
1422
1423 env_different = (me.getEnvironment() != them.getEnvironment());
1424 }
1425
IsAlwaysThumbInstructions() const1426 bool ArchSpec::IsAlwaysThumbInstructions() const {
1427 std::string Status;
1428 if (GetTriple().getArch() == llvm::Triple::arm ||
1429 GetTriple().getArch() == llvm::Triple::thumb) {
1430 // v. https://en.wikipedia.org/wiki/ARM_Cortex-M
1431 //
1432 // Cortex-M0 through Cortex-M7 are ARM processor cores which can only
1433 // execute thumb instructions. We map the cores to arch names like this:
1434 //
1435 // Cortex-M0, Cortex-M0+, Cortex-M1: armv6m Cortex-M3: armv7m Cortex-M4,
1436 // Cortex-M7: armv7em
1437
1438 if (GetCore() == ArchSpec::Core::eCore_arm_armv7m ||
1439 GetCore() == ArchSpec::Core::eCore_arm_armv7em ||
1440 GetCore() == ArchSpec::Core::eCore_arm_armv6m ||
1441 GetCore() == ArchSpec::Core::eCore_thumbv7m ||
1442 GetCore() == ArchSpec::Core::eCore_thumbv7em ||
1443 GetCore() == ArchSpec::Core::eCore_thumbv6m) {
1444 return true;
1445 }
1446 // Windows on ARM is always thumb.
1447 if (GetTriple().isOSWindows())
1448 return true;
1449 }
1450 return false;
1451 }
1452
DumpTriple(llvm::raw_ostream & s) const1453 void ArchSpec::DumpTriple(llvm::raw_ostream &s) const {
1454 const llvm::Triple &triple = GetTriple();
1455 llvm::StringRef arch_str = triple.getArchName();
1456 llvm::StringRef vendor_str = triple.getVendorName();
1457 llvm::StringRef os_str = triple.getOSName();
1458 llvm::StringRef environ_str = triple.getEnvironmentName();
1459
1460 s << llvm::formatv("{0}-{1}-{2}", arch_str.empty() ? "*" : arch_str,
1461 vendor_str.empty() ? "*" : vendor_str,
1462 os_str.empty() ? "*" : os_str);
1463
1464 if (!environ_str.empty())
1465 s << "-" << environ_str;
1466 }
1467
output(const ArchSpec & Val,void *,raw_ostream & Out)1468 void llvm::yaml::ScalarTraits<ArchSpec>::output(const ArchSpec &Val, void *,
1469 raw_ostream &Out) {
1470 Val.DumpTriple(Out);
1471 }
1472
1473 llvm::StringRef
input(llvm::StringRef Scalar,void *,ArchSpec & Val)1474 llvm::yaml::ScalarTraits<ArchSpec>::input(llvm::StringRef Scalar, void *,
1475 ArchSpec &Val) {
1476 Val = ArchSpec(Scalar);
1477 return {};
1478 }
1479