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 }; 255 256 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 } 260 261 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_ALL, UINT32_MAX, SUBTYPE_MASK}, 295 {ArchSpec::eCore_arm_arm64, llvm::MachO::CPU_TYPE_ARM64, llvm::MachO::CPU_SUBTYPE_ARM64_V8, 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. 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. 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_insensitive(g_core_definitions[i].name)) 468 return &g_core_definitions[i]; 469 } 470 return nullptr; 471 } 472 473 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 * 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 * 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. 509 510 ArchSpec::ArchSpec() = default; 511 512 ArchSpec::ArchSpec(const char *triple_cstr) { 513 if (triple_cstr) 514 SetTriple(triple_cstr); 515 } 516 517 ArchSpec::ArchSpec(llvm::StringRef triple_str) { SetTriple(triple_str); } 518 519 ArchSpec::ArchSpec(const llvm::Triple &triple) { SetTriple(triple); } 520 521 ArchSpec::ArchSpec(ArchitectureType arch_type, uint32_t cpu, uint32_t subtype) { 522 SetArchitecture(arch_type, cpu, subtype); 523 } 524 525 ArchSpec::~ArchSpec() = default; 526 527 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. 537 538 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 } 544 545 bool ArchSpec::IsMIPS() const { return GetTriple().isMIPS(); } 546 547 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 } 568 569 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 } 582 583 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 } 634 635 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 } 646 647 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 } 658 659 uint32_t ArchSpec::GetDataByteSize() const { 660 return 1; 661 } 662 663 uint32_t ArchSpec::GetCodeByteSize() const { 664 return 1; 665 } 666 667 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 } 674 675 ConstString ArchSpec::GetDistributionId() const { 676 return m_distribution_id; 677 } 678 679 void ArchSpec::SetDistributionId(const char *distribution_id) { 680 m_distribution_id.SetCString(distribution_id); 681 } 682 683 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 } 696 697 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 } 703 704 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 } 729 730 lldb::ByteOrder ArchSpec::GetByteOrder() const { 731 if (m_byte_order == eByteOrderInvalid) 732 return GetDefaultEndian(); 733 return m_byte_order; 734 } 735 736 //===----------------------------------------------------------------------===// 737 // Mutators. 738 739 bool ArchSpec::SetTriple(const llvm::Triple &triple) { 740 m_triple = triple; 741 UpdateCore(); 742 return IsValid(); 743 } 744 745 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 } 780 781 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 } 793 794 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 } 800 801 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 } 842 843 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 m_triple.setObjectFormat(llvm::Triple::MachO); 863 864 // Don't set the OS. It could be simulator, macosx, ios, watchos, 865 // tvos, bridgeos. We could get close with the cpu type - but we 866 // can't get it right all of the time. Better to leave this unset 867 // so other sections of code will set it when they have more 868 // information. NB: don't call m_triple.setOS 869 // (llvm::Triple::UnknownOS). That sets the OSName to "unknown" and 870 // the ArchSpec::TripleVendorWasSpecified() method says that any 871 // OSName setting means it was specified. 872 } else if (arch_type == eArchTypeELF) { 873 switch (os) { 874 case llvm::ELF::ELFOSABI_AIX: 875 m_triple.setOS(llvm::Triple::OSType::AIX); 876 break; 877 case llvm::ELF::ELFOSABI_FREEBSD: 878 m_triple.setOS(llvm::Triple::OSType::FreeBSD); 879 break; 880 case llvm::ELF::ELFOSABI_GNU: 881 m_triple.setOS(llvm::Triple::OSType::Linux); 882 break; 883 case llvm::ELF::ELFOSABI_NETBSD: 884 m_triple.setOS(llvm::Triple::OSType::NetBSD); 885 break; 886 case llvm::ELF::ELFOSABI_OPENBSD: 887 m_triple.setOS(llvm::Triple::OSType::OpenBSD); 888 break; 889 case llvm::ELF::ELFOSABI_SOLARIS: 890 m_triple.setOS(llvm::Triple::OSType::Solaris); 891 break; 892 } 893 } else if (arch_type == eArchTypeCOFF && os == llvm::Triple::Win32) { 894 m_triple.setVendor(llvm::Triple::PC); 895 m_triple.setOS(llvm::Triple::Win32); 896 } else { 897 m_triple.setVendor(llvm::Triple::UnknownVendor); 898 m_triple.setOS(llvm::Triple::UnknownOS); 899 } 900 // Fall back onto setting the machine type if the arch by name 901 // failed... 902 if (m_triple.getArch() == llvm::Triple::UnknownArch) 903 m_triple.setArch(core_def->machine); 904 } 905 } else { 906 Log *log(lldb_private::GetLogIfAnyCategoriesSet(LIBLLDB_LOG_TARGET | LIBLLDB_LOG_PROCESS | LIBLLDB_LOG_PLATFORM)); 907 LLDB_LOGF(log, 908 "Unable to find a core definition for cpu 0x%" PRIx32 909 " sub %" PRId32, 910 cpu, sub); 911 } 912 } 913 CoreUpdated(update_triple); 914 return IsValid(); 915 } 916 917 uint32_t ArchSpec::GetMinimumOpcodeByteSize() const { 918 const CoreDefinition *core_def = FindCoreDefinition(m_core); 919 if (core_def) 920 return core_def->min_opcode_byte_size; 921 return 0; 922 } 923 924 uint32_t ArchSpec::GetMaximumOpcodeByteSize() const { 925 const CoreDefinition *core_def = FindCoreDefinition(m_core); 926 if (core_def) 927 return core_def->max_opcode_byte_size; 928 return 0; 929 } 930 931 bool ArchSpec::IsExactMatch(const ArchSpec &rhs) const { 932 return IsEqualTo(rhs, true); 933 } 934 935 bool ArchSpec::IsCompatibleMatch(const ArchSpec &rhs) const { 936 return IsEqualTo(rhs, false); 937 } 938 939 static bool IsCompatibleEnvironment(llvm::Triple::EnvironmentType lhs, 940 llvm::Triple::EnvironmentType rhs) { 941 if (lhs == rhs) 942 return true; 943 944 // Apple simulators are a different platform than what they simulate. 945 // As the environments are different at this point, if one of them is a 946 // simulator, then they are different. 947 if (lhs == llvm::Triple::Simulator || rhs == llvm::Triple::Simulator) 948 return false; 949 950 // If any of the environment is unknown then they are compatible 951 if (lhs == llvm::Triple::UnknownEnvironment || 952 rhs == llvm::Triple::UnknownEnvironment) 953 return true; 954 955 // If one of the environment is Android and the other one is EABI then they 956 // are considered to be compatible. This is required as a workaround for 957 // shared libraries compiled for Android without the NOTE section indicating 958 // that they are using the Android ABI. 959 if ((lhs == llvm::Triple::Android && rhs == llvm::Triple::EABI) || 960 (rhs == llvm::Triple::Android && lhs == llvm::Triple::EABI) || 961 (lhs == llvm::Triple::GNUEABI && rhs == llvm::Triple::EABI) || 962 (rhs == llvm::Triple::GNUEABI && lhs == llvm::Triple::EABI) || 963 (lhs == llvm::Triple::GNUEABIHF && rhs == llvm::Triple::EABIHF) || 964 (rhs == llvm::Triple::GNUEABIHF && lhs == llvm::Triple::EABIHF)) 965 return true; 966 967 return false; 968 } 969 970 bool ArchSpec::IsEqualTo(const ArchSpec &rhs, bool exact_match) const { 971 // explicitly ignoring m_distribution_id in this method. 972 973 if (GetByteOrder() != rhs.GetByteOrder() || 974 !cores_match(GetCore(), rhs.GetCore(), true, exact_match)) 975 return false; 976 977 const llvm::Triple &lhs_triple = GetTriple(); 978 const llvm::Triple &rhs_triple = rhs.GetTriple(); 979 980 const llvm::Triple::VendorType lhs_triple_vendor = lhs_triple.getVendor(); 981 const llvm::Triple::VendorType rhs_triple_vendor = rhs_triple.getVendor(); 982 if (lhs_triple_vendor != rhs_triple_vendor) { 983 const bool rhs_vendor_specified = rhs.TripleVendorWasSpecified(); 984 const bool lhs_vendor_specified = TripleVendorWasSpecified(); 985 // Both architectures had the vendor specified, so if they aren't equal 986 // then we return false 987 if (rhs_vendor_specified && lhs_vendor_specified) 988 return false; 989 990 // Only fail if both vendor types are not unknown 991 if (lhs_triple_vendor != llvm::Triple::UnknownVendor && 992 rhs_triple_vendor != llvm::Triple::UnknownVendor) 993 return false; 994 } 995 996 const llvm::Triple::OSType lhs_triple_os = lhs_triple.getOS(); 997 const llvm::Triple::OSType rhs_triple_os = rhs_triple.getOS(); 998 const llvm::Triple::EnvironmentType lhs_triple_env = 999 lhs_triple.getEnvironment(); 1000 const llvm::Triple::EnvironmentType rhs_triple_env = 1001 rhs_triple.getEnvironment(); 1002 1003 if (!exact_match) { 1004 // x86_64-apple-ios-macabi, x86_64-apple-macosx are compatible, no match. 1005 if ((lhs_triple_os == llvm::Triple::IOS && 1006 lhs_triple_env == llvm::Triple::MacABI && 1007 rhs_triple_os == llvm::Triple::MacOSX) || 1008 (lhs_triple_os == llvm::Triple::MacOSX && 1009 rhs_triple_os == llvm::Triple::IOS && 1010 rhs_triple_env == llvm::Triple::MacABI)) 1011 return true; 1012 } 1013 1014 // x86_64-apple-ios-macabi and x86_64-apple-ios are not compatible. 1015 if (lhs_triple_os == llvm::Triple::IOS && 1016 rhs_triple_os == llvm::Triple::IOS && 1017 (lhs_triple_env == llvm::Triple::MacABI || 1018 rhs_triple_env == llvm::Triple::MacABI) && 1019 lhs_triple_env != rhs_triple_env) 1020 return false; 1021 1022 if (lhs_triple_os != rhs_triple_os) { 1023 const bool lhs_os_specified = TripleOSWasSpecified(); 1024 const bool rhs_os_specified = rhs.TripleOSWasSpecified(); 1025 // If both OS types are specified and different, fail. 1026 if (lhs_os_specified && rhs_os_specified) 1027 return false; 1028 1029 // If the pair of os+env is both unspecified, match any other os+env combo. 1030 if (!exact_match && ((!lhs_os_specified && !lhs_triple.hasEnvironment()) || 1031 (!rhs_os_specified && !rhs_triple.hasEnvironment()))) 1032 return true; 1033 } 1034 1035 return IsCompatibleEnvironment(lhs_triple_env, rhs_triple_env); 1036 } 1037 1038 void ArchSpec::UpdateCore() { 1039 llvm::StringRef arch_name(m_triple.getArchName()); 1040 const CoreDefinition *core_def = FindCoreDefinition(arch_name); 1041 if (core_def) { 1042 m_core = core_def->core; 1043 // Set the byte order to the default byte order for an architecture. This 1044 // can be modified if needed for cases when cores handle both big and 1045 // little endian 1046 m_byte_order = core_def->default_byte_order; 1047 } else { 1048 Clear(); 1049 } 1050 } 1051 1052 //===----------------------------------------------------------------------===// 1053 // Helper methods. 1054 1055 void ArchSpec::CoreUpdated(bool update_triple) { 1056 const CoreDefinition *core_def = FindCoreDefinition(m_core); 1057 if (core_def) { 1058 if (update_triple) 1059 m_triple = llvm::Triple(core_def->name, "unknown", "unknown"); 1060 m_byte_order = core_def->default_byte_order; 1061 } else { 1062 if (update_triple) 1063 m_triple = llvm::Triple(); 1064 m_byte_order = eByteOrderInvalid; 1065 } 1066 } 1067 1068 //===----------------------------------------------------------------------===// 1069 // Operators. 1070 1071 static bool cores_match(const ArchSpec::Core core1, const ArchSpec::Core core2, 1072 bool try_inverse, bool enforce_exact_match) { 1073 if (core1 == core2) 1074 return true; 1075 1076 switch (core1) { 1077 case ArchSpec::kCore_any: 1078 return true; 1079 1080 case ArchSpec::eCore_arm_generic: 1081 if (enforce_exact_match) 1082 break; 1083 LLVM_FALLTHROUGH; 1084 case ArchSpec::kCore_arm_any: 1085 if (core2 >= ArchSpec::kCore_arm_first && core2 <= ArchSpec::kCore_arm_last) 1086 return true; 1087 if (core2 >= ArchSpec::kCore_thumb_first && 1088 core2 <= ArchSpec::kCore_thumb_last) 1089 return true; 1090 if (core2 == ArchSpec::kCore_arm_any) 1091 return true; 1092 break; 1093 1094 case ArchSpec::kCore_x86_32_any: 1095 if ((core2 >= ArchSpec::kCore_x86_32_first && 1096 core2 <= ArchSpec::kCore_x86_32_last) || 1097 (core2 == ArchSpec::kCore_x86_32_any)) 1098 return true; 1099 break; 1100 1101 case ArchSpec::kCore_x86_64_any: 1102 if ((core2 >= ArchSpec::kCore_x86_64_first && 1103 core2 <= ArchSpec::kCore_x86_64_last) || 1104 (core2 == ArchSpec::kCore_x86_64_any)) 1105 return true; 1106 break; 1107 1108 case ArchSpec::kCore_ppc_any: 1109 if ((core2 >= ArchSpec::kCore_ppc_first && 1110 core2 <= ArchSpec::kCore_ppc_last) || 1111 (core2 == ArchSpec::kCore_ppc_any)) 1112 return true; 1113 break; 1114 1115 case ArchSpec::kCore_ppc64_any: 1116 if ((core2 >= ArchSpec::kCore_ppc64_first && 1117 core2 <= ArchSpec::kCore_ppc64_last) || 1118 (core2 == ArchSpec::kCore_ppc64_any)) 1119 return true; 1120 break; 1121 1122 case ArchSpec::kCore_hexagon_any: 1123 if ((core2 >= ArchSpec::kCore_hexagon_first && 1124 core2 <= ArchSpec::kCore_hexagon_last) || 1125 (core2 == ArchSpec::kCore_hexagon_any)) 1126 return true; 1127 break; 1128 1129 // v. https://en.wikipedia.org/wiki/ARM_Cortex-M#Silicon_customization 1130 // Cortex-M0 - ARMv6-M - armv6m 1131 // Cortex-M3 - ARMv7-M - armv7m 1132 // Cortex-M4 - ARMv7E-M - armv7em 1133 case ArchSpec::eCore_arm_armv7em: 1134 if (!enforce_exact_match) { 1135 if (core2 == ArchSpec::eCore_arm_generic) 1136 return true; 1137 if (core2 == ArchSpec::eCore_arm_armv7m) 1138 return true; 1139 if (core2 == ArchSpec::eCore_arm_armv6m) 1140 return true; 1141 if (core2 == ArchSpec::eCore_arm_armv7) 1142 return true; 1143 try_inverse = true; 1144 } 1145 break; 1146 1147 // v. https://en.wikipedia.org/wiki/ARM_Cortex-M#Silicon_customization 1148 // Cortex-M0 - ARMv6-M - armv6m 1149 // Cortex-M3 - ARMv7-M - armv7m 1150 // Cortex-M4 - ARMv7E-M - armv7em 1151 case ArchSpec::eCore_arm_armv7m: 1152 if (!enforce_exact_match) { 1153 if (core2 == ArchSpec::eCore_arm_generic) 1154 return true; 1155 if (core2 == ArchSpec::eCore_arm_armv6m) 1156 return true; 1157 if (core2 == ArchSpec::eCore_arm_armv7) 1158 return true; 1159 if (core2 == ArchSpec::eCore_arm_armv7em) 1160 return true; 1161 try_inverse = true; 1162 } 1163 break; 1164 1165 // v. https://en.wikipedia.org/wiki/ARM_Cortex-M#Silicon_customization 1166 // Cortex-M0 - ARMv6-M - armv6m 1167 // Cortex-M3 - ARMv7-M - armv7m 1168 // Cortex-M4 - ARMv7E-M - armv7em 1169 case ArchSpec::eCore_arm_armv6m: 1170 if (!enforce_exact_match) { 1171 if (core2 == ArchSpec::eCore_arm_generic) 1172 return true; 1173 if (core2 == ArchSpec::eCore_arm_armv7em) 1174 return true; 1175 if (core2 == ArchSpec::eCore_arm_armv7) 1176 return true; 1177 if (core2 == ArchSpec::eCore_arm_armv6m) 1178 return true; 1179 try_inverse = false; 1180 } 1181 break; 1182 1183 case ArchSpec::eCore_arm_armv7f: 1184 case ArchSpec::eCore_arm_armv7k: 1185 case ArchSpec::eCore_arm_armv7s: 1186 case ArchSpec::eCore_arm_armv7l: 1187 case ArchSpec::eCore_arm_armv8l: 1188 if (!enforce_exact_match) { 1189 if (core2 == ArchSpec::eCore_arm_generic) 1190 return true; 1191 if (core2 == ArchSpec::eCore_arm_armv7) 1192 return true; 1193 try_inverse = false; 1194 } 1195 break; 1196 1197 case ArchSpec::eCore_x86_64_x86_64h: 1198 if (!enforce_exact_match) { 1199 try_inverse = false; 1200 if (core2 == ArchSpec::eCore_x86_64_x86_64) 1201 return true; 1202 } 1203 break; 1204 1205 case ArchSpec::eCore_arm_armv8: 1206 if (!enforce_exact_match) { 1207 if (core2 == ArchSpec::eCore_arm_arm64) 1208 return true; 1209 if (core2 == ArchSpec::eCore_arm_aarch64) 1210 return true; 1211 if (core2 == ArchSpec::eCore_arm_arm64e) 1212 return true; 1213 try_inverse = false; 1214 } 1215 break; 1216 1217 case ArchSpec::eCore_arm_arm64e: 1218 if (!enforce_exact_match) { 1219 if (core2 == ArchSpec::eCore_arm_arm64) 1220 return true; 1221 if (core2 == ArchSpec::eCore_arm_aarch64) 1222 return true; 1223 if (core2 == ArchSpec::eCore_arm_armv8) 1224 return true; 1225 try_inverse = false; 1226 } 1227 break; 1228 case ArchSpec::eCore_arm_aarch64: 1229 if (!enforce_exact_match) { 1230 if (core2 == ArchSpec::eCore_arm_arm64) 1231 return true; 1232 if (core2 == ArchSpec::eCore_arm_armv8) 1233 return true; 1234 if (core2 == ArchSpec::eCore_arm_arm64e) 1235 return true; 1236 try_inverse = false; 1237 } 1238 break; 1239 1240 case ArchSpec::eCore_arm_arm64: 1241 if (!enforce_exact_match) { 1242 if (core2 == ArchSpec::eCore_arm_aarch64) 1243 return true; 1244 if (core2 == ArchSpec::eCore_arm_armv8) 1245 return true; 1246 if (core2 == ArchSpec::eCore_arm_arm64e) 1247 return true; 1248 try_inverse = false; 1249 } 1250 break; 1251 1252 case ArchSpec::eCore_arm_arm64_32: 1253 if (!enforce_exact_match) { 1254 if (core2 == ArchSpec::eCore_arm_generic) 1255 return true; 1256 try_inverse = false; 1257 } 1258 break; 1259 1260 case ArchSpec::eCore_mips32: 1261 if (!enforce_exact_match) { 1262 if (core2 >= ArchSpec::kCore_mips32_first && 1263 core2 <= ArchSpec::kCore_mips32_last) 1264 return true; 1265 try_inverse = false; 1266 } 1267 break; 1268 1269 case ArchSpec::eCore_mips32el: 1270 if (!enforce_exact_match) { 1271 if (core2 >= ArchSpec::kCore_mips32el_first && 1272 core2 <= ArchSpec::kCore_mips32el_last) 1273 return true; 1274 try_inverse = true; 1275 } 1276 break; 1277 1278 case ArchSpec::eCore_mips64: 1279 if (!enforce_exact_match) { 1280 if (core2 >= ArchSpec::kCore_mips32_first && 1281 core2 <= ArchSpec::kCore_mips32_last) 1282 return true; 1283 if (core2 >= ArchSpec::kCore_mips64_first && 1284 core2 <= ArchSpec::kCore_mips64_last) 1285 return true; 1286 try_inverse = false; 1287 } 1288 break; 1289 1290 case ArchSpec::eCore_mips64el: 1291 if (!enforce_exact_match) { 1292 if (core2 >= ArchSpec::kCore_mips32el_first && 1293 core2 <= ArchSpec::kCore_mips32el_last) 1294 return true; 1295 if (core2 >= ArchSpec::kCore_mips64el_first && 1296 core2 <= ArchSpec::kCore_mips64el_last) 1297 return true; 1298 try_inverse = false; 1299 } 1300 break; 1301 1302 case ArchSpec::eCore_mips64r2: 1303 case ArchSpec::eCore_mips64r3: 1304 case ArchSpec::eCore_mips64r5: 1305 if (!enforce_exact_match) { 1306 if (core2 >= ArchSpec::kCore_mips32_first && core2 <= (core1 - 10)) 1307 return true; 1308 if (core2 >= ArchSpec::kCore_mips64_first && core2 <= (core1 - 1)) 1309 return true; 1310 try_inverse = false; 1311 } 1312 break; 1313 1314 case ArchSpec::eCore_mips64r2el: 1315 case ArchSpec::eCore_mips64r3el: 1316 case ArchSpec::eCore_mips64r5el: 1317 if (!enforce_exact_match) { 1318 if (core2 >= ArchSpec::kCore_mips32el_first && core2 <= (core1 - 10)) 1319 return true; 1320 if (core2 >= ArchSpec::kCore_mips64el_first && core2 <= (core1 - 1)) 1321 return true; 1322 try_inverse = false; 1323 } 1324 break; 1325 1326 case ArchSpec::eCore_mips32r2: 1327 case ArchSpec::eCore_mips32r3: 1328 case ArchSpec::eCore_mips32r5: 1329 if (!enforce_exact_match) { 1330 if (core2 >= ArchSpec::kCore_mips32_first && core2 <= core1) 1331 return true; 1332 } 1333 break; 1334 1335 case ArchSpec::eCore_mips32r2el: 1336 case ArchSpec::eCore_mips32r3el: 1337 case ArchSpec::eCore_mips32r5el: 1338 if (!enforce_exact_match) { 1339 if (core2 >= ArchSpec::kCore_mips32el_first && core2 <= core1) 1340 return true; 1341 } 1342 break; 1343 1344 case ArchSpec::eCore_mips32r6: 1345 if (!enforce_exact_match) { 1346 if (core2 == ArchSpec::eCore_mips32 || core2 == ArchSpec::eCore_mips32r6) 1347 return true; 1348 } 1349 break; 1350 1351 case ArchSpec::eCore_mips32r6el: 1352 if (!enforce_exact_match) { 1353 if (core2 == ArchSpec::eCore_mips32el || 1354 core2 == ArchSpec::eCore_mips32r6el) 1355 return true; 1356 } 1357 break; 1358 1359 case ArchSpec::eCore_mips64r6: 1360 if (!enforce_exact_match) { 1361 if (core2 == ArchSpec::eCore_mips32 || core2 == ArchSpec::eCore_mips32r6) 1362 return true; 1363 if (core2 == ArchSpec::eCore_mips64 || core2 == ArchSpec::eCore_mips64r6) 1364 return true; 1365 } 1366 break; 1367 1368 case ArchSpec::eCore_mips64r6el: 1369 if (!enforce_exact_match) { 1370 if (core2 == ArchSpec::eCore_mips32el || 1371 core2 == ArchSpec::eCore_mips32r6el) 1372 return true; 1373 if (core2 == ArchSpec::eCore_mips64el || 1374 core2 == ArchSpec::eCore_mips64r6el) 1375 return true; 1376 } 1377 break; 1378 1379 default: 1380 break; 1381 } 1382 if (try_inverse) 1383 return cores_match(core2, core1, false, enforce_exact_match); 1384 return false; 1385 } 1386 1387 bool lldb_private::operator<(const ArchSpec &lhs, const ArchSpec &rhs) { 1388 const ArchSpec::Core lhs_core = lhs.GetCore(); 1389 const ArchSpec::Core rhs_core = rhs.GetCore(); 1390 return lhs_core < rhs_core; 1391 } 1392 1393 1394 bool lldb_private::operator==(const ArchSpec &lhs, const ArchSpec &rhs) { 1395 return lhs.GetCore() == rhs.GetCore(); 1396 } 1397 1398 bool ArchSpec::IsFullySpecifiedTriple() const { 1399 const auto &user_specified_triple = GetTriple(); 1400 1401 bool user_triple_fully_specified = false; 1402 1403 if ((user_specified_triple.getOS() != llvm::Triple::UnknownOS) || 1404 TripleOSWasSpecified()) { 1405 if ((user_specified_triple.getVendor() != llvm::Triple::UnknownVendor) || 1406 TripleVendorWasSpecified()) { 1407 const unsigned unspecified = 0; 1408 if (!user_specified_triple.isOSDarwin() || 1409 user_specified_triple.getOSMajorVersion() != unspecified) { 1410 user_triple_fully_specified = true; 1411 } 1412 } 1413 } 1414 1415 return user_triple_fully_specified; 1416 } 1417 1418 void ArchSpec::PiecewiseTripleCompare( 1419 const ArchSpec &other, bool &arch_different, bool &vendor_different, 1420 bool &os_different, bool &os_version_different, bool &env_different) const { 1421 const llvm::Triple &me(GetTriple()); 1422 const llvm::Triple &them(other.GetTriple()); 1423 1424 arch_different = (me.getArch() != them.getArch()); 1425 1426 vendor_different = (me.getVendor() != them.getVendor()); 1427 1428 os_different = (me.getOS() != them.getOS()); 1429 1430 os_version_different = (me.getOSMajorVersion() != them.getOSMajorVersion()); 1431 1432 env_different = (me.getEnvironment() != them.getEnvironment()); 1433 } 1434 1435 bool ArchSpec::IsAlwaysThumbInstructions() const { 1436 std::string Status; 1437 if (GetTriple().getArch() == llvm::Triple::arm || 1438 GetTriple().getArch() == llvm::Triple::thumb) { 1439 // v. https://en.wikipedia.org/wiki/ARM_Cortex-M 1440 // 1441 // Cortex-M0 through Cortex-M7 are ARM processor cores which can only 1442 // execute thumb instructions. We map the cores to arch names like this: 1443 // 1444 // Cortex-M0, Cortex-M0+, Cortex-M1: armv6m Cortex-M3: armv7m Cortex-M4, 1445 // Cortex-M7: armv7em 1446 1447 if (GetCore() == ArchSpec::Core::eCore_arm_armv7m || 1448 GetCore() == ArchSpec::Core::eCore_arm_armv7em || 1449 GetCore() == ArchSpec::Core::eCore_arm_armv6m || 1450 GetCore() == ArchSpec::Core::eCore_thumbv7m || 1451 GetCore() == ArchSpec::Core::eCore_thumbv7em || 1452 GetCore() == ArchSpec::Core::eCore_thumbv6m) { 1453 return true; 1454 } 1455 // Windows on ARM is always thumb. 1456 if (GetTriple().isOSWindows()) 1457 return true; 1458 } 1459 return false; 1460 } 1461 1462 void ArchSpec::DumpTriple(llvm::raw_ostream &s) const { 1463 const llvm::Triple &triple = GetTriple(); 1464 llvm::StringRef arch_str = triple.getArchName(); 1465 llvm::StringRef vendor_str = triple.getVendorName(); 1466 llvm::StringRef os_str = triple.getOSName(); 1467 llvm::StringRef environ_str = triple.getEnvironmentName(); 1468 1469 s << llvm::formatv("{0}-{1}-{2}", arch_str.empty() ? "*" : arch_str, 1470 vendor_str.empty() ? "*" : vendor_str, 1471 os_str.empty() ? "*" : os_str); 1472 1473 if (!environ_str.empty()) 1474 s << "-" << environ_str; 1475 } 1476 1477 void llvm::yaml::ScalarTraits<ArchSpec>::output(const ArchSpec &Val, void *, 1478 raw_ostream &Out) { 1479 Val.DumpTriple(Out); 1480 } 1481 1482 llvm::StringRef 1483 llvm::yaml::ScalarTraits<ArchSpec>::input(llvm::StringRef Scalar, void *, 1484 ArchSpec &Val) { 1485 Val = ArchSpec(Scalar); 1486 return {}; 1487 } 1488