//===-- ArchSpec.cpp --------------------------------------------*- C++ -*-===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// #include "lldb/Utility/ArchSpec.h" #include "lldb/Utility/Log.h" #include "lldb/Utility/NameMatches.h" #include "lldb/Utility/Stream.h" #include "lldb/Utility/StringList.h" #include "lldb/lldb-defines.h" #include "llvm/ADT/STLExtras.h" #include "llvm/ADT/Twine.h" #include "llvm/BinaryFormat/COFF.h" #include "llvm/BinaryFormat/ELF.h" #include "llvm/BinaryFormat/MachO.h" #include "llvm/Support/Compiler.h" #include "llvm/Support/Host.h" using namespace lldb; using namespace lldb_private; static bool cores_match(const ArchSpec::Core core1, const ArchSpec::Core core2, bool try_inverse, bool enforce_exact_match); namespace lldb_private { struct CoreDefinition { ByteOrder default_byte_order; uint32_t addr_byte_size; uint32_t min_opcode_byte_size; uint32_t max_opcode_byte_size; llvm::Triple::ArchType machine; ArchSpec::Core core; const char *const name; }; } // namespace lldb_private // This core information can be looked using the ArchSpec::Core as the index static const CoreDefinition g_core_definitions[] = { {eByteOrderLittle, 4, 2, 4, llvm::Triple::arm, ArchSpec::eCore_arm_generic, "arm"}, {eByteOrderLittle, 4, 2, 4, llvm::Triple::arm, ArchSpec::eCore_arm_armv4, "armv4"}, {eByteOrderLittle, 4, 2, 4, llvm::Triple::arm, ArchSpec::eCore_arm_armv4t, "armv4t"}, {eByteOrderLittle, 4, 2, 4, llvm::Triple::arm, ArchSpec::eCore_arm_armv5, "armv5"}, {eByteOrderLittle, 4, 2, 4, llvm::Triple::arm, ArchSpec::eCore_arm_armv5e, "armv5e"}, {eByteOrderLittle, 4, 2, 4, llvm::Triple::arm, ArchSpec::eCore_arm_armv5t, "armv5t"}, {eByteOrderLittle, 4, 2, 4, llvm::Triple::arm, ArchSpec::eCore_arm_armv6, "armv6"}, {eByteOrderLittle, 4, 2, 4, llvm::Triple::arm, ArchSpec::eCore_arm_armv6m, "armv6m"}, {eByteOrderLittle, 4, 2, 4, llvm::Triple::arm, ArchSpec::eCore_arm_armv7, "armv7"}, {eByteOrderLittle, 4, 2, 4, llvm::Triple::arm, ArchSpec::eCore_arm_armv7f, "armv7f"}, {eByteOrderLittle, 4, 2, 4, llvm::Triple::arm, ArchSpec::eCore_arm_armv7s, "armv7s"}, {eByteOrderLittle, 4, 2, 4, llvm::Triple::arm, ArchSpec::eCore_arm_armv7k, "armv7k"}, {eByteOrderLittle, 4, 2, 4, llvm::Triple::arm, ArchSpec::eCore_arm_armv7m, "armv7m"}, {eByteOrderLittle, 4, 2, 4, llvm::Triple::arm, ArchSpec::eCore_arm_armv7em, "armv7em"}, {eByteOrderLittle, 4, 2, 4, llvm::Triple::arm, ArchSpec::eCore_arm_xscale, "xscale"}, {eByteOrderLittle, 4, 2, 4, llvm::Triple::thumb, ArchSpec::eCore_thumb, "thumb"}, {eByteOrderLittle, 4, 2, 4, llvm::Triple::thumb, ArchSpec::eCore_thumbv4t, "thumbv4t"}, {eByteOrderLittle, 4, 2, 4, llvm::Triple::thumb, ArchSpec::eCore_thumbv5, "thumbv5"}, {eByteOrderLittle, 4, 2, 4, llvm::Triple::thumb, ArchSpec::eCore_thumbv5e, "thumbv5e"}, {eByteOrderLittle, 4, 2, 4, llvm::Triple::thumb, ArchSpec::eCore_thumbv6, "thumbv6"}, {eByteOrderLittle, 4, 2, 4, llvm::Triple::thumb, ArchSpec::eCore_thumbv6m, "thumbv6m"}, {eByteOrderLittle, 4, 2, 4, llvm::Triple::thumb, ArchSpec::eCore_thumbv7, "thumbv7"}, {eByteOrderLittle, 4, 2, 4, llvm::Triple::thumb, ArchSpec::eCore_thumbv7f, "thumbv7f"}, {eByteOrderLittle, 4, 2, 4, llvm::Triple::thumb, ArchSpec::eCore_thumbv7s, "thumbv7s"}, {eByteOrderLittle, 4, 2, 4, llvm::Triple::thumb, ArchSpec::eCore_thumbv7k, "thumbv7k"}, {eByteOrderLittle, 4, 2, 4, llvm::Triple::thumb, ArchSpec::eCore_thumbv7m, "thumbv7m"}, {eByteOrderLittle, 4, 2, 4, llvm::Triple::thumb, ArchSpec::eCore_thumbv7em, "thumbv7em"}, {eByteOrderLittle, 8, 4, 4, llvm::Triple::aarch64, ArchSpec::eCore_arm_arm64, "arm64"}, {eByteOrderLittle, 8, 4, 4, llvm::Triple::aarch64, ArchSpec::eCore_arm_armv8, "armv8"}, {eByteOrderLittle, 8, 4, 4, llvm::Triple::aarch64, ArchSpec::eCore_arm_aarch64, "aarch64"}, // mips32, mips32r2, mips32r3, mips32r5, mips32r6 {eByteOrderBig, 4, 2, 4, llvm::Triple::mips, ArchSpec::eCore_mips32, "mips"}, {eByteOrderBig, 4, 2, 4, llvm::Triple::mips, ArchSpec::eCore_mips32r2, "mipsr2"}, {eByteOrderBig, 4, 2, 4, llvm::Triple::mips, ArchSpec::eCore_mips32r3, "mipsr3"}, {eByteOrderBig, 4, 2, 4, llvm::Triple::mips, ArchSpec::eCore_mips32r5, "mipsr5"}, {eByteOrderBig, 4, 2, 4, llvm::Triple::mips, ArchSpec::eCore_mips32r6, "mipsr6"}, {eByteOrderLittle, 4, 2, 4, llvm::Triple::mipsel, ArchSpec::eCore_mips32el, "mipsel"}, {eByteOrderLittle, 4, 2, 4, llvm::Triple::mipsel, ArchSpec::eCore_mips32r2el, "mipsr2el"}, {eByteOrderLittle, 4, 2, 4, llvm::Triple::mipsel, ArchSpec::eCore_mips32r3el, "mipsr3el"}, {eByteOrderLittle, 4, 2, 4, llvm::Triple::mipsel, ArchSpec::eCore_mips32r5el, "mipsr5el"}, {eByteOrderLittle, 4, 2, 4, llvm::Triple::mipsel, ArchSpec::eCore_mips32r6el, "mipsr6el"}, // mips64, mips64r2, mips64r3, mips64r5, mips64r6 {eByteOrderBig, 8, 2, 4, llvm::Triple::mips64, ArchSpec::eCore_mips64, "mips64"}, {eByteOrderBig, 8, 2, 4, llvm::Triple::mips64, ArchSpec::eCore_mips64r2, "mips64r2"}, {eByteOrderBig, 8, 2, 4, llvm::Triple::mips64, ArchSpec::eCore_mips64r3, "mips64r3"}, {eByteOrderBig, 8, 2, 4, llvm::Triple::mips64, ArchSpec::eCore_mips64r5, "mips64r5"}, {eByteOrderBig, 8, 2, 4, llvm::Triple::mips64, ArchSpec::eCore_mips64r6, "mips64r6"}, {eByteOrderLittle, 8, 2, 4, llvm::Triple::mips64el, ArchSpec::eCore_mips64el, "mips64el"}, {eByteOrderLittle, 8, 2, 4, llvm::Triple::mips64el, ArchSpec::eCore_mips64r2el, "mips64r2el"}, {eByteOrderLittle, 8, 2, 4, llvm::Triple::mips64el, ArchSpec::eCore_mips64r3el, "mips64r3el"}, {eByteOrderLittle, 8, 2, 4, llvm::Triple::mips64el, ArchSpec::eCore_mips64r5el, "mips64r5el"}, {eByteOrderLittle, 8, 2, 4, llvm::Triple::mips64el, ArchSpec::eCore_mips64r6el, "mips64r6el"}, {eByteOrderBig, 4, 4, 4, llvm::Triple::ppc, ArchSpec::eCore_ppc_generic, "powerpc"}, {eByteOrderBig, 4, 4, 4, llvm::Triple::ppc, ArchSpec::eCore_ppc_ppc601, "ppc601"}, {eByteOrderBig, 4, 4, 4, llvm::Triple::ppc, ArchSpec::eCore_ppc_ppc602, "ppc602"}, {eByteOrderBig, 4, 4, 4, llvm::Triple::ppc, ArchSpec::eCore_ppc_ppc603, "ppc603"}, {eByteOrderBig, 4, 4, 4, llvm::Triple::ppc, ArchSpec::eCore_ppc_ppc603e, "ppc603e"}, {eByteOrderBig, 4, 4, 4, llvm::Triple::ppc, ArchSpec::eCore_ppc_ppc603ev, "ppc603ev"}, {eByteOrderBig, 4, 4, 4, llvm::Triple::ppc, ArchSpec::eCore_ppc_ppc604, "ppc604"}, {eByteOrderBig, 4, 4, 4, llvm::Triple::ppc, ArchSpec::eCore_ppc_ppc604e, "ppc604e"}, {eByteOrderBig, 4, 4, 4, llvm::Triple::ppc, ArchSpec::eCore_ppc_ppc620, "ppc620"}, {eByteOrderBig, 4, 4, 4, llvm::Triple::ppc, ArchSpec::eCore_ppc_ppc750, "ppc750"}, {eByteOrderBig, 4, 4, 4, llvm::Triple::ppc, ArchSpec::eCore_ppc_ppc7400, "ppc7400"}, {eByteOrderBig, 4, 4, 4, llvm::Triple::ppc, ArchSpec::eCore_ppc_ppc7450, "ppc7450"}, {eByteOrderBig, 4, 4, 4, llvm::Triple::ppc, ArchSpec::eCore_ppc_ppc970, "ppc970"}, {eByteOrderLittle, 8, 4, 4, llvm::Triple::ppc64le, ArchSpec::eCore_ppc64le_generic, "powerpc64le"}, {eByteOrderBig, 8, 4, 4, llvm::Triple::ppc64, ArchSpec::eCore_ppc64_generic, "powerpc64"}, {eByteOrderBig, 8, 4, 4, llvm::Triple::ppc64, ArchSpec::eCore_ppc64_ppc970_64, "ppc970-64"}, {eByteOrderBig, 8, 2, 6, llvm::Triple::systemz, ArchSpec::eCore_s390x_generic, "s390x"}, {eByteOrderLittle, 4, 4, 4, llvm::Triple::sparc, ArchSpec::eCore_sparc_generic, "sparc"}, {eByteOrderLittle, 8, 4, 4, llvm::Triple::sparcv9, ArchSpec::eCore_sparc9_generic, "sparcv9"}, {eByteOrderLittle, 4, 1, 15, llvm::Triple::x86, ArchSpec::eCore_x86_32_i386, "i386"}, {eByteOrderLittle, 4, 1, 15, llvm::Triple::x86, ArchSpec::eCore_x86_32_i486, "i486"}, {eByteOrderLittle, 4, 1, 15, llvm::Triple::x86, ArchSpec::eCore_x86_32_i486sx, "i486sx"}, {eByteOrderLittle, 4, 1, 15, llvm::Triple::x86, ArchSpec::eCore_x86_32_i686, "i686"}, {eByteOrderLittle, 8, 1, 15, llvm::Triple::x86_64, ArchSpec::eCore_x86_64_x86_64, "x86_64"}, {eByteOrderLittle, 8, 1, 15, llvm::Triple::x86_64, ArchSpec::eCore_x86_64_x86_64h, "x86_64h"}, {eByteOrderLittle, 4, 4, 4, llvm::Triple::hexagon, ArchSpec::eCore_hexagon_generic, "hexagon"}, {eByteOrderLittle, 4, 4, 4, llvm::Triple::hexagon, ArchSpec::eCore_hexagon_hexagonv4, "hexagonv4"}, {eByteOrderLittle, 4, 4, 4, llvm::Triple::hexagon, ArchSpec::eCore_hexagon_hexagonv5, "hexagonv5"}, {eByteOrderLittle, 4, 4, 4, llvm::Triple::UnknownArch, ArchSpec::eCore_uknownMach32, "unknown-mach-32"}, {eByteOrderLittle, 8, 4, 4, llvm::Triple::UnknownArch, ArchSpec::eCore_uknownMach64, "unknown-mach-64"}, {eByteOrderBig, 4, 1, 1, llvm::Triple::kalimba, ArchSpec::eCore_kalimba3, "kalimba3"}, {eByteOrderLittle, 4, 1, 1, llvm::Triple::kalimba, ArchSpec::eCore_kalimba4, "kalimba4"}, {eByteOrderLittle, 4, 1, 1, llvm::Triple::kalimba, ArchSpec::eCore_kalimba5, "kalimba5"}}; // Ensure that we have an entry in the g_core_definitions for each core. If you // comment out an entry above, you will need to comment out the corresponding // ArchSpec::Core enumeration. static_assert(sizeof(g_core_definitions) / sizeof(CoreDefinition) == ArchSpec::kNumCores, "make sure we have one core definition for each core"); struct ArchDefinitionEntry { ArchSpec::Core core; uint32_t cpu; uint32_t sub; uint32_t cpu_mask; uint32_t sub_mask; }; struct ArchDefinition { ArchitectureType type; size_t num_entries; const ArchDefinitionEntry *entries; const char *name; }; void ArchSpec::ListSupportedArchNames(StringList &list) { for (uint32_t i = 0; i < llvm::array_lengthof(g_core_definitions); ++i) list.AppendString(g_core_definitions[i].name); } size_t ArchSpec::AutoComplete(CompletionRequest &request) { if (!request.GetCursorArgumentPrefix().empty()) { for (uint32_t i = 0; i < llvm::array_lengthof(g_core_definitions); ++i) { if (NameMatches(g_core_definitions[i].name, NameMatch::StartsWith, request.GetCursorArgumentPrefix())) request.AddCompletion(g_core_definitions[i].name); } } else { StringList matches; ListSupportedArchNames(matches); request.AddCompletions(matches); } return request.GetNumberOfMatches(); } #define CPU_ANY (UINT32_MAX) //===----------------------------------------------------------------------===// // A table that gets searched linearly for matches. This table is used to // convert cpu type and subtypes to architecture names, and to convert // architecture names to cpu types and subtypes. The ordering is important and // allows the precedence to be set when the table is built. #define SUBTYPE_MASK 0x00FFFFFFu static const ArchDefinitionEntry g_macho_arch_entries[] = { {ArchSpec::eCore_arm_generic, llvm::MachO::CPU_TYPE_ARM, CPU_ANY, UINT32_MAX, UINT32_MAX}, {ArchSpec::eCore_arm_generic, llvm::MachO::CPU_TYPE_ARM, 0, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_arm_armv4, llvm::MachO::CPU_TYPE_ARM, 5, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_arm_armv4t, llvm::MachO::CPU_TYPE_ARM, 5, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_arm_armv6, llvm::MachO::CPU_TYPE_ARM, 6, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_arm_armv6m, llvm::MachO::CPU_TYPE_ARM, 14, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_arm_armv5, llvm::MachO::CPU_TYPE_ARM, 7, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_arm_armv5e, llvm::MachO::CPU_TYPE_ARM, 7, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_arm_armv5t, llvm::MachO::CPU_TYPE_ARM, 7, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_arm_xscale, llvm::MachO::CPU_TYPE_ARM, 8, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_arm_armv7, llvm::MachO::CPU_TYPE_ARM, 9, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_arm_armv7f, llvm::MachO::CPU_TYPE_ARM, 10, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_arm_armv7s, llvm::MachO::CPU_TYPE_ARM, 11, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_arm_armv7k, llvm::MachO::CPU_TYPE_ARM, 12, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_arm_armv7m, llvm::MachO::CPU_TYPE_ARM, 15, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_arm_armv7em, llvm::MachO::CPU_TYPE_ARM, 16, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_arm_arm64, llvm::MachO::CPU_TYPE_ARM64, 1, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_arm_arm64, llvm::MachO::CPU_TYPE_ARM64, 0, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_arm_arm64, llvm::MachO::CPU_TYPE_ARM64, 13, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_arm_arm64, llvm::MachO::CPU_TYPE_ARM64, CPU_ANY, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_thumb, llvm::MachO::CPU_TYPE_ARM, 0, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_thumbv4t, llvm::MachO::CPU_TYPE_ARM, 5, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_thumbv5, llvm::MachO::CPU_TYPE_ARM, 7, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_thumbv5e, llvm::MachO::CPU_TYPE_ARM, 7, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_thumbv6, llvm::MachO::CPU_TYPE_ARM, 6, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_thumbv6m, llvm::MachO::CPU_TYPE_ARM, 14, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_thumbv7, llvm::MachO::CPU_TYPE_ARM, 9, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_thumbv7f, llvm::MachO::CPU_TYPE_ARM, 10, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_thumbv7s, llvm::MachO::CPU_TYPE_ARM, 11, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_thumbv7k, llvm::MachO::CPU_TYPE_ARM, 12, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_thumbv7m, llvm::MachO::CPU_TYPE_ARM, 15, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_thumbv7em, llvm::MachO::CPU_TYPE_ARM, 16, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_ppc_generic, llvm::MachO::CPU_TYPE_POWERPC, CPU_ANY, UINT32_MAX, UINT32_MAX}, {ArchSpec::eCore_ppc_generic, llvm::MachO::CPU_TYPE_POWERPC, 0, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_ppc_ppc601, llvm::MachO::CPU_TYPE_POWERPC, 1, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_ppc_ppc602, llvm::MachO::CPU_TYPE_POWERPC, 2, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_ppc_ppc603, llvm::MachO::CPU_TYPE_POWERPC, 3, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_ppc_ppc603e, llvm::MachO::CPU_TYPE_POWERPC, 4, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_ppc_ppc603ev, llvm::MachO::CPU_TYPE_POWERPC, 5, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_ppc_ppc604, llvm::MachO::CPU_TYPE_POWERPC, 6, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_ppc_ppc604e, llvm::MachO::CPU_TYPE_POWERPC, 7, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_ppc_ppc620, llvm::MachO::CPU_TYPE_POWERPC, 8, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_ppc_ppc750, llvm::MachO::CPU_TYPE_POWERPC, 9, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_ppc_ppc7400, llvm::MachO::CPU_TYPE_POWERPC, 10, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_ppc_ppc7450, llvm::MachO::CPU_TYPE_POWERPC, 11, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_ppc_ppc970, llvm::MachO::CPU_TYPE_POWERPC, 100, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_ppc64_generic, llvm::MachO::CPU_TYPE_POWERPC64, 0, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_ppc64le_generic, llvm::MachO::CPU_TYPE_POWERPC64, CPU_ANY, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_ppc64_ppc970_64, llvm::MachO::CPU_TYPE_POWERPC64, 100, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_x86_32_i386, llvm::MachO::CPU_TYPE_I386, 3, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_x86_32_i486, llvm::MachO::CPU_TYPE_I386, 4, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_x86_32_i486sx, llvm::MachO::CPU_TYPE_I386, 0x84, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_x86_32_i386, llvm::MachO::CPU_TYPE_I386, CPU_ANY, UINT32_MAX, UINT32_MAX}, {ArchSpec::eCore_x86_64_x86_64, llvm::MachO::CPU_TYPE_X86_64, 3, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_x86_64_x86_64, llvm::MachO::CPU_TYPE_X86_64, 4, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_x86_64_x86_64h, llvm::MachO::CPU_TYPE_X86_64, 8, UINT32_MAX, SUBTYPE_MASK}, {ArchSpec::eCore_x86_64_x86_64, llvm::MachO::CPU_TYPE_X86_64, CPU_ANY, UINT32_MAX, UINT32_MAX}, // Catch any unknown mach architectures so we can always use the object and // symbol mach-o files {ArchSpec::eCore_uknownMach32, 0, 0, 0xFF000000u, 0x00000000u}, {ArchSpec::eCore_uknownMach64, llvm::MachO::CPU_ARCH_ABI64, 0, 0xFF000000u, 0x00000000u}}; static const ArchDefinition g_macho_arch_def = { eArchTypeMachO, llvm::array_lengthof(g_macho_arch_entries), g_macho_arch_entries, "mach-o"}; //===----------------------------------------------------------------------===// // A table that gets searched linearly for matches. This table is used to // convert cpu type and subtypes to architecture names, and to convert // architecture names to cpu types and subtypes. The ordering is important and // allows the precedence to be set when the table is built. static const ArchDefinitionEntry g_elf_arch_entries[] = { {ArchSpec::eCore_sparc_generic, llvm::ELF::EM_SPARC, LLDB_INVALID_CPUTYPE, 0xFFFFFFFFu, 0xFFFFFFFFu}, // Sparc {ArchSpec::eCore_x86_32_i386, llvm::ELF::EM_386, LLDB_INVALID_CPUTYPE, 0xFFFFFFFFu, 0xFFFFFFFFu}, // Intel 80386 {ArchSpec::eCore_x86_32_i486, llvm::ELF::EM_IAMCU, LLDB_INVALID_CPUTYPE, 0xFFFFFFFFu, 0xFFFFFFFFu}, // Intel MCU // FIXME: is this correct? {ArchSpec::eCore_ppc_generic, llvm::ELF::EM_PPC, LLDB_INVALID_CPUTYPE, 0xFFFFFFFFu, 0xFFFFFFFFu}, // PowerPC {ArchSpec::eCore_ppc64le_generic, llvm::ELF::EM_PPC64, LLDB_INVALID_CPUTYPE, 0xFFFFFFFFu, 0xFFFFFFFFu}, // PowerPC64le {ArchSpec::eCore_ppc64_generic, llvm::ELF::EM_PPC64, LLDB_INVALID_CPUTYPE, 0xFFFFFFFFu, 0xFFFFFFFFu}, // PowerPC64 {ArchSpec::eCore_arm_generic, llvm::ELF::EM_ARM, LLDB_INVALID_CPUTYPE, 0xFFFFFFFFu, 0xFFFFFFFFu}, // ARM {ArchSpec::eCore_arm_aarch64, llvm::ELF::EM_AARCH64, LLDB_INVALID_CPUTYPE, 0xFFFFFFFFu, 0xFFFFFFFFu}, // ARM64 {ArchSpec::eCore_s390x_generic, llvm::ELF::EM_S390, LLDB_INVALID_CPUTYPE, 0xFFFFFFFFu, 0xFFFFFFFFu}, // SystemZ {ArchSpec::eCore_sparc9_generic, llvm::ELF::EM_SPARCV9, LLDB_INVALID_CPUTYPE, 0xFFFFFFFFu, 0xFFFFFFFFu}, // SPARC V9 {ArchSpec::eCore_x86_64_x86_64, llvm::ELF::EM_X86_64, LLDB_INVALID_CPUTYPE, 0xFFFFFFFFu, 0xFFFFFFFFu}, // AMD64 {ArchSpec::eCore_mips32, llvm::ELF::EM_MIPS, ArchSpec::eMIPSSubType_mips32, 0xFFFFFFFFu, 0xFFFFFFFFu}, // mips32 {ArchSpec::eCore_mips32r2, llvm::ELF::EM_MIPS, ArchSpec::eMIPSSubType_mips32r2, 0xFFFFFFFFu, 0xFFFFFFFFu}, // mips32r2 {ArchSpec::eCore_mips32r6, llvm::ELF::EM_MIPS, ArchSpec::eMIPSSubType_mips32r6, 0xFFFFFFFFu, 0xFFFFFFFFu}, // mips32r6 {ArchSpec::eCore_mips32el, llvm::ELF::EM_MIPS, ArchSpec::eMIPSSubType_mips32el, 0xFFFFFFFFu, 0xFFFFFFFFu}, // mips32el {ArchSpec::eCore_mips32r2el, llvm::ELF::EM_MIPS, ArchSpec::eMIPSSubType_mips32r2el, 0xFFFFFFFFu, 0xFFFFFFFFu}, // mips32r2el {ArchSpec::eCore_mips32r6el, llvm::ELF::EM_MIPS, ArchSpec::eMIPSSubType_mips32r6el, 0xFFFFFFFFu, 0xFFFFFFFFu}, // mips32r6el {ArchSpec::eCore_mips64, llvm::ELF::EM_MIPS, ArchSpec::eMIPSSubType_mips64, 0xFFFFFFFFu, 0xFFFFFFFFu}, // mips64 {ArchSpec::eCore_mips64r2, llvm::ELF::EM_MIPS, ArchSpec::eMIPSSubType_mips64r2, 0xFFFFFFFFu, 0xFFFFFFFFu}, // mips64r2 {ArchSpec::eCore_mips64r6, llvm::ELF::EM_MIPS, ArchSpec::eMIPSSubType_mips64r6, 0xFFFFFFFFu, 0xFFFFFFFFu}, // mips64r6 {ArchSpec::eCore_mips64el, llvm::ELF::EM_MIPS, ArchSpec::eMIPSSubType_mips64el, 0xFFFFFFFFu, 0xFFFFFFFFu}, // mips64el {ArchSpec::eCore_mips64r2el, llvm::ELF::EM_MIPS, ArchSpec::eMIPSSubType_mips64r2el, 0xFFFFFFFFu, 0xFFFFFFFFu}, // mips64r2el {ArchSpec::eCore_mips64r6el, llvm::ELF::EM_MIPS, ArchSpec::eMIPSSubType_mips64r6el, 0xFFFFFFFFu, 0xFFFFFFFFu}, // mips64r6el {ArchSpec::eCore_hexagon_generic, llvm::ELF::EM_HEXAGON, LLDB_INVALID_CPUTYPE, 0xFFFFFFFFu, 0xFFFFFFFFu}, // HEXAGON {ArchSpec::eCore_kalimba3, llvm::ELF::EM_CSR_KALIMBA, llvm::Triple::KalimbaSubArch_v3, 0xFFFFFFFFu, 0xFFFFFFFFu}, // KALIMBA {ArchSpec::eCore_kalimba4, llvm::ELF::EM_CSR_KALIMBA, llvm::Triple::KalimbaSubArch_v4, 0xFFFFFFFFu, 0xFFFFFFFFu}, // KALIMBA {ArchSpec::eCore_kalimba5, llvm::ELF::EM_CSR_KALIMBA, llvm::Triple::KalimbaSubArch_v5, 0xFFFFFFFFu, 0xFFFFFFFFu} // KALIMBA }; static const ArchDefinition g_elf_arch_def = { eArchTypeELF, llvm::array_lengthof(g_elf_arch_entries), g_elf_arch_entries, "elf", }; static const ArchDefinitionEntry g_coff_arch_entries[] = { {ArchSpec::eCore_x86_32_i386, llvm::COFF::IMAGE_FILE_MACHINE_I386, LLDB_INVALID_CPUTYPE, 0xFFFFFFFFu, 0xFFFFFFFFu}, // Intel 80x86 {ArchSpec::eCore_ppc_generic, llvm::COFF::IMAGE_FILE_MACHINE_POWERPC, LLDB_INVALID_CPUTYPE, 0xFFFFFFFFu, 0xFFFFFFFFu}, // PowerPC {ArchSpec::eCore_ppc_generic, llvm::COFF::IMAGE_FILE_MACHINE_POWERPCFP, LLDB_INVALID_CPUTYPE, 0xFFFFFFFFu, 0xFFFFFFFFu}, // PowerPC (with FPU) {ArchSpec::eCore_arm_generic, llvm::COFF::IMAGE_FILE_MACHINE_ARM, LLDB_INVALID_CPUTYPE, 0xFFFFFFFFu, 0xFFFFFFFFu}, // ARM {ArchSpec::eCore_arm_armv7, llvm::COFF::IMAGE_FILE_MACHINE_ARMNT, LLDB_INVALID_CPUTYPE, 0xFFFFFFFFu, 0xFFFFFFFFu}, // ARMv7 {ArchSpec::eCore_thumb, llvm::COFF::IMAGE_FILE_MACHINE_THUMB, LLDB_INVALID_CPUTYPE, 0xFFFFFFFFu, 0xFFFFFFFFu}, // ARMv7 {ArchSpec::eCore_x86_64_x86_64, llvm::COFF::IMAGE_FILE_MACHINE_AMD64, LLDB_INVALID_CPUTYPE, 0xFFFFFFFFu, 0xFFFFFFFFu} // AMD64 }; static const ArchDefinition g_coff_arch_def = { eArchTypeCOFF, llvm::array_lengthof(g_coff_arch_entries), g_coff_arch_entries, "pe-coff", }; //===----------------------------------------------------------------------===// // Table of all ArchDefinitions static const ArchDefinition *g_arch_definitions[] = { &g_macho_arch_def, &g_elf_arch_def, &g_coff_arch_def}; static const size_t k_num_arch_definitions = llvm::array_lengthof(g_arch_definitions); //===----------------------------------------------------------------------===// // Static helper functions. // Get the architecture definition for a given object type. static const ArchDefinition *FindArchDefinition(ArchitectureType arch_type) { for (unsigned int i = 0; i < k_num_arch_definitions; ++i) { const ArchDefinition *def = g_arch_definitions[i]; if (def->type == arch_type) return def; } return nullptr; } // Get an architecture definition by name. static const CoreDefinition *FindCoreDefinition(llvm::StringRef name) { for (unsigned int i = 0; i < llvm::array_lengthof(g_core_definitions); ++i) { if (name.equals_lower(g_core_definitions[i].name)) return &g_core_definitions[i]; } return nullptr; } static inline const CoreDefinition *FindCoreDefinition(ArchSpec::Core core) { if (core < llvm::array_lengthof(g_core_definitions)) return &g_core_definitions[core]; return nullptr; } // Get a definition entry by cpu type and subtype. static const ArchDefinitionEntry * FindArchDefinitionEntry(const ArchDefinition *def, uint32_t cpu, uint32_t sub) { if (def == nullptr) return nullptr; const ArchDefinitionEntry *entries = def->entries; for (size_t i = 0; i < def->num_entries; ++i) { if (entries[i].cpu == (cpu & entries[i].cpu_mask)) if (entries[i].sub == (sub & entries[i].sub_mask)) return &entries[i]; } return nullptr; } static const ArchDefinitionEntry * FindArchDefinitionEntry(const ArchDefinition *def, ArchSpec::Core core) { if (def == nullptr) return nullptr; const ArchDefinitionEntry *entries = def->entries; for (size_t i = 0; i < def->num_entries; ++i) { if (entries[i].core == core) return &entries[i]; } return nullptr; } //===----------------------------------------------------------------------===// // Constructors and destructors. ArchSpec::ArchSpec() {} ArchSpec::ArchSpec(const char *triple_cstr) { if (triple_cstr) SetTriple(triple_cstr); } ArchSpec::ArchSpec(llvm::StringRef triple_str) { SetTriple(triple_str); } ArchSpec::ArchSpec(const llvm::Triple &triple) { SetTriple(triple); } ArchSpec::ArchSpec(ArchitectureType arch_type, uint32_t cpu, uint32_t subtype) { SetArchitecture(arch_type, cpu, subtype); } ArchSpec::~ArchSpec() = default; //===----------------------------------------------------------------------===// // Assignment and initialization. const ArchSpec &ArchSpec::operator=(const ArchSpec &rhs) { if (this != &rhs) { m_triple = rhs.m_triple; m_core = rhs.m_core; m_byte_order = rhs.m_byte_order; m_distribution_id = rhs.m_distribution_id; m_flags = rhs.m_flags; } return *this; } void ArchSpec::Clear() { m_triple = llvm::Triple(); m_core = kCore_invalid; m_byte_order = eByteOrderInvalid; m_distribution_id.Clear(); m_flags = 0; } //===----------------------------------------------------------------------===// // Predicates. const char *ArchSpec::GetArchitectureName() const { const CoreDefinition *core_def = FindCoreDefinition(m_core); if (core_def) return core_def->name; return "unknown"; } bool ArchSpec::IsMIPS() const { const llvm::Triple::ArchType machine = GetMachine(); return machine == llvm::Triple::mips || machine == llvm::Triple::mipsel || machine == llvm::Triple::mips64 || machine == llvm::Triple::mips64el; } std::string ArchSpec::GetTargetABI() const { std::string abi; if (IsMIPS()) { switch (GetFlags() & ArchSpec::eMIPSABI_mask) { case ArchSpec::eMIPSABI_N64: abi = "n64"; return abi; case ArchSpec::eMIPSABI_N32: abi = "n32"; return abi; case ArchSpec::eMIPSABI_O32: abi = "o32"; return abi; default: return abi; } } return abi; } void ArchSpec::SetFlags(std::string elf_abi) { uint32_t flag = GetFlags(); if (IsMIPS()) { if (elf_abi == "n64") flag |= ArchSpec::eMIPSABI_N64; else if (elf_abi == "n32") flag |= ArchSpec::eMIPSABI_N32; else if (elf_abi == "o32") flag |= ArchSpec::eMIPSABI_O32; } SetFlags(flag); } std::string ArchSpec::GetClangTargetCPU() const { std::string cpu; const llvm::Triple::ArchType machine = GetMachine(); if (machine == llvm::Triple::mips || machine == llvm::Triple::mipsel || machine == llvm::Triple::mips64 || machine == llvm::Triple::mips64el) { switch (m_core) { case ArchSpec::eCore_mips32: case ArchSpec::eCore_mips32el: cpu = "mips32"; break; case ArchSpec::eCore_mips32r2: case ArchSpec::eCore_mips32r2el: cpu = "mips32r2"; break; case ArchSpec::eCore_mips32r3: case ArchSpec::eCore_mips32r3el: cpu = "mips32r3"; break; case ArchSpec::eCore_mips32r5: case ArchSpec::eCore_mips32r5el: cpu = "mips32r5"; break; case ArchSpec::eCore_mips32r6: case ArchSpec::eCore_mips32r6el: cpu = "mips32r6"; break; case ArchSpec::eCore_mips64: case ArchSpec::eCore_mips64el: cpu = "mips64"; break; case ArchSpec::eCore_mips64r2: case ArchSpec::eCore_mips64r2el: cpu = "mips64r2"; break; case ArchSpec::eCore_mips64r3: case ArchSpec::eCore_mips64r3el: cpu = "mips64r3"; break; case ArchSpec::eCore_mips64r5: case ArchSpec::eCore_mips64r5el: cpu = "mips64r5"; break; case ArchSpec::eCore_mips64r6: case ArchSpec::eCore_mips64r6el: cpu = "mips64r6"; break; default: break; } } return cpu; } uint32_t ArchSpec::GetMachOCPUType() const { const CoreDefinition *core_def = FindCoreDefinition(m_core); if (core_def) { const ArchDefinitionEntry *arch_def = FindArchDefinitionEntry(&g_macho_arch_def, core_def->core); if (arch_def) { return arch_def->cpu; } } return LLDB_INVALID_CPUTYPE; } uint32_t ArchSpec::GetMachOCPUSubType() const { const CoreDefinition *core_def = FindCoreDefinition(m_core); if (core_def) { const ArchDefinitionEntry *arch_def = FindArchDefinitionEntry(&g_macho_arch_def, core_def->core); if (arch_def) { return arch_def->sub; } } return LLDB_INVALID_CPUTYPE; } uint32_t ArchSpec::GetDataByteSize() const { switch (m_core) { case eCore_kalimba3: return 4; case eCore_kalimba4: return 1; case eCore_kalimba5: return 4; default: return 1; } return 1; } uint32_t ArchSpec::GetCodeByteSize() const { switch (m_core) { case eCore_kalimba3: return 4; case eCore_kalimba4: return 1; case eCore_kalimba5: return 1; default: return 1; } return 1; } llvm::Triple::ArchType ArchSpec::GetMachine() const { const CoreDefinition *core_def = FindCoreDefinition(m_core); if (core_def) return core_def->machine; return llvm::Triple::UnknownArch; } const ConstString &ArchSpec::GetDistributionId() const { return m_distribution_id; } void ArchSpec::SetDistributionId(const char *distribution_id) { m_distribution_id.SetCString(distribution_id); } uint32_t ArchSpec::GetAddressByteSize() const { const CoreDefinition *core_def = FindCoreDefinition(m_core); if (core_def) { if (core_def->machine == llvm::Triple::mips64 || core_def->machine == llvm::Triple::mips64el) { // For N32/O32 applications Address size is 4 bytes. if (m_flags & (eMIPSABI_N32 | eMIPSABI_O32)) return 4; } return core_def->addr_byte_size; } return 0; } ByteOrder ArchSpec::GetDefaultEndian() const { const CoreDefinition *core_def = FindCoreDefinition(m_core); if (core_def) return core_def->default_byte_order; return eByteOrderInvalid; } bool ArchSpec::CharIsSignedByDefault() const { switch (m_triple.getArch()) { default: return true; case llvm::Triple::aarch64: case llvm::Triple::aarch64_be: case llvm::Triple::arm: case llvm::Triple::armeb: case llvm::Triple::thumb: case llvm::Triple::thumbeb: return m_triple.isOSDarwin() || m_triple.isOSWindows(); case llvm::Triple::ppc: case llvm::Triple::ppc64: return m_triple.isOSDarwin(); case llvm::Triple::ppc64le: case llvm::Triple::systemz: case llvm::Triple::xcore: case llvm::Triple::arc: return false; } } lldb::ByteOrder ArchSpec::GetByteOrder() const { if (m_byte_order == eByteOrderInvalid) return GetDefaultEndian(); return m_byte_order; } //===----------------------------------------------------------------------===// // Mutators. bool ArchSpec::SetTriple(const llvm::Triple &triple) { m_triple = triple; UpdateCore(); return IsValid(); } bool lldb_private::ParseMachCPUDashSubtypeTriple(llvm::StringRef triple_str, ArchSpec &arch) { // Accept "12-10" or "12.10" as cpu type/subtype if (triple_str.empty()) return false; size_t pos = triple_str.find_first_of("-."); if (pos == llvm::StringRef::npos) return false; llvm::StringRef cpu_str = triple_str.substr(0, pos); llvm::StringRef remainder = triple_str.substr(pos + 1); if (cpu_str.empty() || remainder.empty()) return false; llvm::StringRef sub_str; llvm::StringRef vendor; llvm::StringRef os; std::tie(sub_str, remainder) = remainder.split('-'); std::tie(vendor, os) = remainder.split('-'); uint32_t cpu = 0; uint32_t sub = 0; if (cpu_str.getAsInteger(10, cpu) || sub_str.getAsInteger(10, sub)) return false; if (!arch.SetArchitecture(eArchTypeMachO, cpu, sub)) return false; if (!vendor.empty() && !os.empty()) { arch.GetTriple().setVendorName(vendor); arch.GetTriple().setOSName(os); } return true; } bool ArchSpec::SetTriple(llvm::StringRef triple) { if (triple.empty()) { Clear(); return false; } if (ParseMachCPUDashSubtypeTriple(triple, *this)) return true; SetTriple(llvm::Triple(llvm::Triple::normalize(triple))); return IsValid(); } bool ArchSpec::ContainsOnlyArch(const llvm::Triple &normalized_triple) { return !normalized_triple.getArchName().empty() && normalized_triple.getOSName().empty() && normalized_triple.getVendorName().empty() && normalized_triple.getEnvironmentName().empty(); } void ArchSpec::MergeFrom(const ArchSpec &other) { if (TripleVendorIsUnspecifiedUnknown() && !other.TripleVendorIsUnspecifiedUnknown()) GetTriple().setVendor(other.GetTriple().getVendor()); if (TripleOSIsUnspecifiedUnknown() && !other.TripleOSIsUnspecifiedUnknown()) GetTriple().setOS(other.GetTriple().getOS()); if (GetTriple().getArch() == llvm::Triple::UnknownArch) { GetTriple().setArch(other.GetTriple().getArch()); // MachO unknown64 isn't really invalid as the debugger can still obtain // information from the binary, e.g. line tables. As such, we don't update // the core here. if (other.GetCore() != eCore_uknownMach64) UpdateCore(); } if (GetTriple().getEnvironment() == llvm::Triple::UnknownEnvironment && !TripleVendorWasSpecified()) { if (other.TripleVendorWasSpecified()) GetTriple().setEnvironment(other.GetTriple().getEnvironment()); } // If this and other are both arm ArchSpecs and this ArchSpec is a generic // "some kind of arm" spec but the other ArchSpec is a specific arm core, // adopt the specific arm core. if (GetTriple().getArch() == llvm::Triple::arm && other.GetTriple().getArch() == llvm::Triple::arm && IsCompatibleMatch(other) && GetCore() == ArchSpec::eCore_arm_generic && other.GetCore() != ArchSpec::eCore_arm_generic) { m_core = other.GetCore(); CoreUpdated(true); } if (GetFlags() == 0) { SetFlags(other.GetFlags()); } } bool ArchSpec::SetArchitecture(ArchitectureType arch_type, uint32_t cpu, uint32_t sub, uint32_t os) { m_core = kCore_invalid; bool update_triple = true; const ArchDefinition *arch_def = FindArchDefinition(arch_type); if (arch_def) { const ArchDefinitionEntry *arch_def_entry = FindArchDefinitionEntry(arch_def, cpu, sub); if (arch_def_entry) { const CoreDefinition *core_def = FindCoreDefinition(arch_def_entry->core); if (core_def) { m_core = core_def->core; update_triple = false; // Always use the architecture name because it might be more // descriptive than the architecture enum ("armv7" -> // llvm::Triple::arm). m_triple.setArchName(llvm::StringRef(core_def->name)); if (arch_type == eArchTypeMachO) { m_triple.setVendor(llvm::Triple::Apple); // Don't set the OS. It could be simulator, macosx, ios, watchos, // tvos, bridgeos. We could get close with the cpu type - but we // can't get it right all of the time. Better to leave this unset // so other sections of code will set it when they have more // information. NB: don't call m_triple.setOS (llvm::Triple::UnknownOS). // That sets the OSName to "unknown" and the // ArchSpec::TripleVendorWasSpecified() method says that any OSName // setting means it was specified. } else if (arch_type == eArchTypeELF) { switch (os) { case llvm::ELF::ELFOSABI_AIX: m_triple.setOS(llvm::Triple::OSType::AIX); break; case llvm::ELF::ELFOSABI_FREEBSD: m_triple.setOS(llvm::Triple::OSType::FreeBSD); break; case llvm::ELF::ELFOSABI_GNU: m_triple.setOS(llvm::Triple::OSType::Linux); break; case llvm::ELF::ELFOSABI_NETBSD: m_triple.setOS(llvm::Triple::OSType::NetBSD); break; case llvm::ELF::ELFOSABI_OPENBSD: m_triple.setOS(llvm::Triple::OSType::OpenBSD); break; case llvm::ELF::ELFOSABI_SOLARIS: m_triple.setOS(llvm::Triple::OSType::Solaris); break; } } else if (arch_type == eArchTypeCOFF && os == llvm::Triple::Win32) { m_triple.setVendor(llvm::Triple::PC); m_triple.setOS(llvm::Triple::Win32); } else { m_triple.setVendor(llvm::Triple::UnknownVendor); m_triple.setOS(llvm::Triple::UnknownOS); } // Fall back onto setting the machine type if the arch by name // failed... if (m_triple.getArch() == llvm::Triple::UnknownArch) m_triple.setArch(core_def->machine); } } else { Log *log(lldb_private::GetLogIfAnyCategoriesSet(LIBLLDB_LOG_TARGET | LIBLLDB_LOG_PROCESS | LIBLLDB_LOG_PLATFORM)); if (log) log->Printf("Unable to find a core definition for cpu 0x%" PRIx32 " sub %" PRId32, cpu, sub); } } CoreUpdated(update_triple); return IsValid(); } uint32_t ArchSpec::GetMinimumOpcodeByteSize() const { const CoreDefinition *core_def = FindCoreDefinition(m_core); if (core_def) return core_def->min_opcode_byte_size; return 0; } uint32_t ArchSpec::GetMaximumOpcodeByteSize() const { const CoreDefinition *core_def = FindCoreDefinition(m_core); if (core_def) return core_def->max_opcode_byte_size; return 0; } bool ArchSpec::IsExactMatch(const ArchSpec &rhs) const { return IsEqualTo(rhs, true); } bool ArchSpec::IsCompatibleMatch(const ArchSpec &rhs) const { return IsEqualTo(rhs, false); } static bool IsCompatibleEnvironment(llvm::Triple::EnvironmentType lhs, llvm::Triple::EnvironmentType rhs) { if (lhs == rhs) return true; // If any of the environment is unknown then they are compatible if (lhs == llvm::Triple::UnknownEnvironment || rhs == llvm::Triple::UnknownEnvironment) return true; // If one of the environment is Android and the other one is EABI then they // are considered to be compatible. This is required as a workaround for // shared libraries compiled for Android without the NOTE section indicating // that they are using the Android ABI. if ((lhs == llvm::Triple::Android && rhs == llvm::Triple::EABI) || (rhs == llvm::Triple::Android && lhs == llvm::Triple::EABI) || (lhs == llvm::Triple::GNUEABI && rhs == llvm::Triple::EABI) || (rhs == llvm::Triple::GNUEABI && lhs == llvm::Triple::EABI) || (lhs == llvm::Triple::GNUEABIHF && rhs == llvm::Triple::EABIHF) || (rhs == llvm::Triple::GNUEABIHF && lhs == llvm::Triple::EABIHF)) return true; return false; } bool ArchSpec::IsEqualTo(const ArchSpec &rhs, bool exact_match) const { // explicitly ignoring m_distribution_id in this method. if (GetByteOrder() != rhs.GetByteOrder()) return false; const ArchSpec::Core lhs_core = GetCore(); const ArchSpec::Core rhs_core = rhs.GetCore(); const bool core_match = cores_match(lhs_core, rhs_core, true, exact_match); if (core_match) { const llvm::Triple &lhs_triple = GetTriple(); const llvm::Triple &rhs_triple = rhs.GetTriple(); const llvm::Triple::VendorType lhs_triple_vendor = lhs_triple.getVendor(); const llvm::Triple::VendorType rhs_triple_vendor = rhs_triple.getVendor(); if (lhs_triple_vendor != rhs_triple_vendor) { const bool rhs_vendor_specified = rhs.TripleVendorWasSpecified(); const bool lhs_vendor_specified = TripleVendorWasSpecified(); // Both architectures had the vendor specified, so if they aren't equal // then we return false if (rhs_vendor_specified && lhs_vendor_specified) return false; // Only fail if both vendor types are not unknown if (lhs_triple_vendor != llvm::Triple::UnknownVendor && rhs_triple_vendor != llvm::Triple::UnknownVendor) return false; } const llvm::Triple::OSType lhs_triple_os = lhs_triple.getOS(); const llvm::Triple::OSType rhs_triple_os = rhs_triple.getOS(); if (lhs_triple_os != rhs_triple_os) { const bool rhs_os_specified = rhs.TripleOSWasSpecified(); const bool lhs_os_specified = TripleOSWasSpecified(); // Both architectures had the OS specified, so if they aren't equal then // we return false if (rhs_os_specified && lhs_os_specified) return false; // Only fail if both os types are not unknown if (lhs_triple_os != llvm::Triple::UnknownOS && rhs_triple_os != llvm::Triple::UnknownOS) return false; } const llvm::Triple::EnvironmentType lhs_triple_env = lhs_triple.getEnvironment(); const llvm::Triple::EnvironmentType rhs_triple_env = rhs_triple.getEnvironment(); return IsCompatibleEnvironment(lhs_triple_env, rhs_triple_env); } return false; } void ArchSpec::UpdateCore() { llvm::StringRef arch_name(m_triple.getArchName()); const CoreDefinition *core_def = FindCoreDefinition(arch_name); if (core_def) { m_core = core_def->core; // Set the byte order to the default byte order for an architecture. This // can be modified if needed for cases when cores handle both big and // little endian m_byte_order = core_def->default_byte_order; } else { Clear(); } } //===----------------------------------------------------------------------===// // Helper methods. void ArchSpec::CoreUpdated(bool update_triple) { const CoreDefinition *core_def = FindCoreDefinition(m_core); if (core_def) { if (update_triple) m_triple = llvm::Triple(core_def->name, "unknown", "unknown"); m_byte_order = core_def->default_byte_order; } else { if (update_triple) m_triple = llvm::Triple(); m_byte_order = eByteOrderInvalid; } } //===----------------------------------------------------------------------===// // Operators. static bool cores_match(const ArchSpec::Core core1, const ArchSpec::Core core2, bool try_inverse, bool enforce_exact_match) { if (core1 == core2) return true; switch (core1) { case ArchSpec::kCore_any: return true; case ArchSpec::eCore_arm_generic: if (enforce_exact_match) break; LLVM_FALLTHROUGH; case ArchSpec::kCore_arm_any: if (core2 >= ArchSpec::kCore_arm_first && core2 <= ArchSpec::kCore_arm_last) return true; if (core2 >= ArchSpec::kCore_thumb_first && core2 <= ArchSpec::kCore_thumb_last) return true; if (core2 == ArchSpec::kCore_arm_any) return true; break; case ArchSpec::kCore_x86_32_any: if ((core2 >= ArchSpec::kCore_x86_32_first && core2 <= ArchSpec::kCore_x86_32_last) || (core2 == ArchSpec::kCore_x86_32_any)) return true; break; case ArchSpec::kCore_x86_64_any: if ((core2 >= ArchSpec::kCore_x86_64_first && core2 <= ArchSpec::kCore_x86_64_last) || (core2 == ArchSpec::kCore_x86_64_any)) return true; break; case ArchSpec::kCore_ppc_any: if ((core2 >= ArchSpec::kCore_ppc_first && core2 <= ArchSpec::kCore_ppc_last) || (core2 == ArchSpec::kCore_ppc_any)) return true; break; case ArchSpec::kCore_ppc64_any: if ((core2 >= ArchSpec::kCore_ppc64_first && core2 <= ArchSpec::kCore_ppc64_last) || (core2 == ArchSpec::kCore_ppc64_any)) return true; break; case ArchSpec::eCore_arm_armv6m: if (!enforce_exact_match) { if (core2 == ArchSpec::eCore_arm_generic) return true; try_inverse = false; if (core2 == ArchSpec::eCore_arm_armv7) return true; if (core2 == ArchSpec::eCore_arm_armv6m) return true; } break; case ArchSpec::kCore_hexagon_any: if ((core2 >= ArchSpec::kCore_hexagon_first && core2 <= ArchSpec::kCore_hexagon_last) || (core2 == ArchSpec::kCore_hexagon_any)) return true; break; // v. https://en.wikipedia.org/wiki/ARM_Cortex-M#Silicon_customization // Cortex-M0 - ARMv6-M - armv6m Cortex-M3 - ARMv7-M - armv7m Cortex-M4 - // ARMv7E-M - armv7em case ArchSpec::eCore_arm_armv7em: if (!enforce_exact_match) { if (core2 == ArchSpec::eCore_arm_generic) return true; if (core2 == ArchSpec::eCore_arm_armv7m) return true; if (core2 == ArchSpec::eCore_arm_armv6m) return true; if (core2 == ArchSpec::eCore_arm_armv7) return true; try_inverse = true; } break; // v. https://en.wikipedia.org/wiki/ARM_Cortex-M#Silicon_customization // Cortex-M0 - ARMv6-M - armv6m Cortex-M3 - ARMv7-M - armv7m Cortex-M4 - // ARMv7E-M - armv7em case ArchSpec::eCore_arm_armv7m: if (!enforce_exact_match) { if (core2 == ArchSpec::eCore_arm_generic) return true; if (core2 == ArchSpec::eCore_arm_armv6m) return true; if (core2 == ArchSpec::eCore_arm_armv7) return true; if (core2 == ArchSpec::eCore_arm_armv7em) return true; try_inverse = true; } break; case ArchSpec::eCore_arm_armv7f: case ArchSpec::eCore_arm_armv7k: case ArchSpec::eCore_arm_armv7s: if (!enforce_exact_match) { if (core2 == ArchSpec::eCore_arm_generic) return true; if (core2 == ArchSpec::eCore_arm_armv7) return true; try_inverse = false; } break; case ArchSpec::eCore_x86_64_x86_64h: if (!enforce_exact_match) { try_inverse = false; if (core2 == ArchSpec::eCore_x86_64_x86_64) return true; } break; case ArchSpec::eCore_arm_armv8: if (!enforce_exact_match) { if (core2 == ArchSpec::eCore_arm_arm64) return true; if (core2 == ArchSpec::eCore_arm_aarch64) return true; try_inverse = false; } break; case ArchSpec::eCore_arm_aarch64: if (!enforce_exact_match) { if (core2 == ArchSpec::eCore_arm_arm64) return true; if (core2 == ArchSpec::eCore_arm_armv8) return true; try_inverse = false; } break; case ArchSpec::eCore_arm_arm64: if (!enforce_exact_match) { if (core2 == ArchSpec::eCore_arm_aarch64) return true; if (core2 == ArchSpec::eCore_arm_armv8) return true; try_inverse = false; } break; case ArchSpec::eCore_mips32: if (!enforce_exact_match) { if (core2 >= ArchSpec::kCore_mips32_first && core2 <= ArchSpec::kCore_mips32_last) return true; try_inverse = false; } break; case ArchSpec::eCore_mips32el: if (!enforce_exact_match) { if (core2 >= ArchSpec::kCore_mips32el_first && core2 <= ArchSpec::kCore_mips32el_last) return true; try_inverse = true; } break; case ArchSpec::eCore_mips64: if (!enforce_exact_match) { if (core2 >= ArchSpec::kCore_mips32_first && core2 <= ArchSpec::kCore_mips32_last) return true; if (core2 >= ArchSpec::kCore_mips64_first && core2 <= ArchSpec::kCore_mips64_last) return true; try_inverse = false; } break; case ArchSpec::eCore_mips64el: if (!enforce_exact_match) { if (core2 >= ArchSpec::kCore_mips32el_first && core2 <= ArchSpec::kCore_mips32el_last) return true; if (core2 >= ArchSpec::kCore_mips64el_first && core2 <= ArchSpec::kCore_mips64el_last) return true; try_inverse = false; } break; case ArchSpec::eCore_mips64r2: case ArchSpec::eCore_mips64r3: case ArchSpec::eCore_mips64r5: if (!enforce_exact_match) { if (core2 >= ArchSpec::kCore_mips32_first && core2 <= (core1 - 10)) return true; if (core2 >= ArchSpec::kCore_mips64_first && core2 <= (core1 - 1)) return true; try_inverse = false; } break; case ArchSpec::eCore_mips64r2el: case ArchSpec::eCore_mips64r3el: case ArchSpec::eCore_mips64r5el: if (!enforce_exact_match) { if (core2 >= ArchSpec::kCore_mips32el_first && core2 <= (core1 - 10)) return true; if (core2 >= ArchSpec::kCore_mips64el_first && core2 <= (core1 - 1)) return true; try_inverse = false; } break; case ArchSpec::eCore_mips32r2: case ArchSpec::eCore_mips32r3: case ArchSpec::eCore_mips32r5: if (!enforce_exact_match) { if (core2 >= ArchSpec::kCore_mips32_first && core2 <= core1) return true; } break; case ArchSpec::eCore_mips32r2el: case ArchSpec::eCore_mips32r3el: case ArchSpec::eCore_mips32r5el: if (!enforce_exact_match) { if (core2 >= ArchSpec::kCore_mips32el_first && core2 <= core1) return true; } break; case ArchSpec::eCore_mips32r6: if (!enforce_exact_match) { if (core2 == ArchSpec::eCore_mips32 || core2 == ArchSpec::eCore_mips32r6) return true; } break; case ArchSpec::eCore_mips32r6el: if (!enforce_exact_match) { if (core2 == ArchSpec::eCore_mips32el || core2 == ArchSpec::eCore_mips32r6el) return true; } break; case ArchSpec::eCore_mips64r6: if (!enforce_exact_match) { if (core2 == ArchSpec::eCore_mips32 || core2 == ArchSpec::eCore_mips32r6) return true; if (core2 == ArchSpec::eCore_mips64 || core2 == ArchSpec::eCore_mips64r6) return true; } break; case ArchSpec::eCore_mips64r6el: if (!enforce_exact_match) { if (core2 == ArchSpec::eCore_mips32el || core2 == ArchSpec::eCore_mips32r6el) return true; if (core2 == ArchSpec::eCore_mips64el || core2 == ArchSpec::eCore_mips64r6el) return true; } break; default: break; } if (try_inverse) return cores_match(core2, core1, false, enforce_exact_match); return false; } bool lldb_private::operator<(const ArchSpec &lhs, const ArchSpec &rhs) { const ArchSpec::Core lhs_core = lhs.GetCore(); const ArchSpec::Core rhs_core = rhs.GetCore(); return lhs_core < rhs_core; } bool lldb_private::operator==(const ArchSpec &lhs, const ArchSpec &rhs) { return lhs.GetCore() == rhs.GetCore(); } bool ArchSpec::IsFullySpecifiedTriple() const { const auto &user_specified_triple = GetTriple(); bool user_triple_fully_specified = false; if ((user_specified_triple.getOS() != llvm::Triple::UnknownOS) || TripleOSWasSpecified()) { if ((user_specified_triple.getVendor() != llvm::Triple::UnknownVendor) || TripleVendorWasSpecified()) { const unsigned unspecified = 0; if (user_specified_triple.getOSMajorVersion() != unspecified) { user_triple_fully_specified = true; } } } return user_triple_fully_specified; } void ArchSpec::PiecewiseTripleCompare( const ArchSpec &other, bool &arch_different, bool &vendor_different, bool &os_different, bool &os_version_different, bool &env_different) const { const llvm::Triple &me(GetTriple()); const llvm::Triple &them(other.GetTriple()); arch_different = (me.getArch() != them.getArch()); vendor_different = (me.getVendor() != them.getVendor()); os_different = (me.getOS() != them.getOS()); os_version_different = (me.getOSMajorVersion() != them.getOSMajorVersion()); env_different = (me.getEnvironment() != them.getEnvironment()); } bool ArchSpec::IsAlwaysThumbInstructions() const { std::string Status; if (GetTriple().getArch() == llvm::Triple::arm || GetTriple().getArch() == llvm::Triple::thumb) { // v. https://en.wikipedia.org/wiki/ARM_Cortex-M // // Cortex-M0 through Cortex-M7 are ARM processor cores which can only // execute thumb instructions. We map the cores to arch names like this: // // Cortex-M0, Cortex-M0+, Cortex-M1: armv6m Cortex-M3: armv7m Cortex-M4, // Cortex-M7: armv7em if (GetCore() == ArchSpec::Core::eCore_arm_armv7m || GetCore() == ArchSpec::Core::eCore_arm_armv7em || GetCore() == ArchSpec::Core::eCore_arm_armv6m || GetCore() == ArchSpec::Core::eCore_thumbv7m || GetCore() == ArchSpec::Core::eCore_thumbv7em || GetCore() == ArchSpec::Core::eCore_thumbv6m) { return true; } } return false; } void ArchSpec::DumpTriple(Stream &s) const { const llvm::Triple &triple = GetTriple(); llvm::StringRef arch_str = triple.getArchName(); llvm::StringRef vendor_str = triple.getVendorName(); llvm::StringRef os_str = triple.getOSName(); llvm::StringRef environ_str = triple.getEnvironmentName(); s.Printf("%s-%s-%s", arch_str.empty() ? "*" : arch_str.str().c_str(), vendor_str.empty() ? "*" : vendor_str.str().c_str(), os_str.empty() ? "*" : os_str.str().c_str()); if (!environ_str.empty()) s.Printf("-%s", environ_str.str().c_str()); }