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ArchSpec.cpp
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//===-- ArchSpec.cpp ------------------------------------------------------===//
//
// 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/LLDBLog.h"
#include "lldb/Utility/Log.h"
#include "lldb/Utility/StringList.h"
#include "lldb/lldb-defines.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/BinaryFormat/COFF.h"
#include "llvm/BinaryFormat/ELF.h"
#include "llvm/BinaryFormat/MachO.h"
#include "llvm/Support/Compiler.h"
#include "llvm/TargetParser/ARMTargetParser.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_armv7l,
"armv7l"},
{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, 4, 2, 4, llvm::Triple::arm, ArchSpec::eCore_arm_armv8l,
"armv8l"},
{eByteOrderLittle, 8, 4, 4, llvm::Triple::aarch64,
ArchSpec::eCore_arm_arm64e, "arm64e"},
{eByteOrderLittle, 4, 4, 4, llvm::Triple::aarch64_32,
ArchSpec::eCore_arm_arm64_32, "arm64_32"},
{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"},
// MSP430
{eByteOrderLittle, 2, 2, 4, llvm::Triple::msp430, ArchSpec::eCore_msp430,
"msp430"},
{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, 2, 4, llvm::Triple::riscv32, ArchSpec::eCore_riscv32,
"riscv32"},
{eByteOrderLittle, 8, 2, 4, llvm::Triple::riscv64, ArchSpec::eCore_riscv64,
"riscv64"},
{eByteOrderLittle, 4, 4, 4, llvm::Triple::loongarch32,
ArchSpec::eCore_loongarch32, "loongarch32"},
{eByteOrderLittle, 8, 4, 4, llvm::Triple::loongarch64,
ArchSpec::eCore_loongarch64, "loongarch64"},
{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"},
{eByteOrderLittle, 4, 2, 4, llvm::Triple::arc, ArchSpec::eCore_arc, "arc"},
{eByteOrderLittle, 2, 2, 4, llvm::Triple::avr, ArchSpec::eCore_avr, "avr"},
{eByteOrderLittle, 4, 1, 4, llvm::Triple::wasm32, ArchSpec::eCore_wasm32,
"wasm32"},
{eByteOrderLittle, 8, 8, 8, llvm::Triple::bpfel, ArchSpec::eCore_bpf, "bpf"},
{eByteOrderLittle, 8, 8, 8, llvm::Triple::sbf, ArchSpec::eCore_sbfv0, "sbf"},
{eByteOrderLittle, 8, 8, 8, llvm::Triple::sbf, ArchSpec::eCore_sbfv1, "sbfv1"},
{eByteOrderLittle, 8, 8, 8, llvm::Triple::sbf, ArchSpec::eCore_sbfv2, "sbfv2"},
{eByteOrderLittle, 8, 8, 8, llvm::Triple::sbf, ArchSpec::eCore_sbfv3, "sbfv3"},
{eByteOrderLittle, 8, 8, 8, llvm::Triple::sbf, ArchSpec::eCore_sbfv4, "sbfv4"},
};
// 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 (const auto &def : g_core_definitions)
list.AppendString(def.name);
}
void ArchSpec::AutoComplete(CompletionRequest &request) {
for (const auto &def : g_core_definitions)
request.TryCompleteCurrentArg(def.name);
}
#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
// clang-format off
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, llvm::MachO::CPU_SUBTYPE_ARM_ALL, UINT32_MAX, SUBTYPE_MASK},
{ArchSpec::eCore_arm_armv4, llvm::MachO::CPU_TYPE_ARM, llvm::MachO::CPU_SUBTYPE_ARM_V4T, UINT32_MAX, SUBTYPE_MASK},
{ArchSpec::eCore_arm_armv4t, llvm::MachO::CPU_TYPE_ARM, llvm::MachO::CPU_SUBTYPE_ARM_V4T, UINT32_MAX, SUBTYPE_MASK},
{ArchSpec::eCore_arm_armv6, llvm::MachO::CPU_TYPE_ARM, llvm::MachO::CPU_SUBTYPE_ARM_V6, UINT32_MAX, SUBTYPE_MASK},
{ArchSpec::eCore_arm_armv6m, llvm::MachO::CPU_TYPE_ARM, llvm::MachO::CPU_SUBTYPE_ARM_V6M, UINT32_MAX, SUBTYPE_MASK},
{ArchSpec::eCore_arm_armv5, llvm::MachO::CPU_TYPE_ARM, llvm::MachO::CPU_SUBTYPE_ARM_V5TEJ, UINT32_MAX, SUBTYPE_MASK},
{ArchSpec::eCore_arm_armv5e, llvm::MachO::CPU_TYPE_ARM, llvm::MachO::CPU_SUBTYPE_ARM_V5TEJ, UINT32_MAX, SUBTYPE_MASK},
{ArchSpec::eCore_arm_armv5t, llvm::MachO::CPU_TYPE_ARM, llvm::MachO::CPU_SUBTYPE_ARM_V5TEJ, UINT32_MAX, SUBTYPE_MASK},
{ArchSpec::eCore_arm_xscale, llvm::MachO::CPU_TYPE_ARM, llvm::MachO::CPU_SUBTYPE_ARM_XSCALE, UINT32_MAX, SUBTYPE_MASK},
{ArchSpec::eCore_arm_armv7, llvm::MachO::CPU_TYPE_ARM, llvm::MachO::CPU_SUBTYPE_ARM_V7, 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, llvm::MachO::CPU_SUBTYPE_ARM_V7S, UINT32_MAX, SUBTYPE_MASK},
{ArchSpec::eCore_arm_armv7k, llvm::MachO::CPU_TYPE_ARM, llvm::MachO::CPU_SUBTYPE_ARM_V7K, UINT32_MAX, SUBTYPE_MASK},
{ArchSpec::eCore_arm_armv7m, llvm::MachO::CPU_TYPE_ARM, llvm::MachO::CPU_SUBTYPE_ARM_V7M, UINT32_MAX, SUBTYPE_MASK},
{ArchSpec::eCore_arm_armv7em, llvm::MachO::CPU_TYPE_ARM, llvm::MachO::CPU_SUBTYPE_ARM_V7EM, UINT32_MAX, SUBTYPE_MASK},
{ArchSpec::eCore_arm_arm64e, llvm::MachO::CPU_TYPE_ARM64, llvm::MachO::CPU_SUBTYPE_ARM64E, UINT32_MAX, SUBTYPE_MASK},
{ArchSpec::eCore_arm_arm64, llvm::MachO::CPU_TYPE_ARM64, llvm::MachO::CPU_SUBTYPE_ARM64_ALL, UINT32_MAX, SUBTYPE_MASK},
{ArchSpec::eCore_arm_arm64, llvm::MachO::CPU_TYPE_ARM64, llvm::MachO::CPU_SUBTYPE_ARM64_V8, UINT32_MAX, SUBTYPE_MASK},
{ArchSpec::eCore_arm_arm64, llvm::MachO::CPU_TYPE_ARM64, 13, UINT32_MAX, SUBTYPE_MASK},
{ArchSpec::eCore_arm_arm64_32, llvm::MachO::CPU_TYPE_ARM64_32, 0, UINT32_MAX, SUBTYPE_MASK},
{ArchSpec::eCore_arm_arm64_32, llvm::MachO::CPU_TYPE_ARM64_32, 1, 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, llvm::MachO::CPU_SUBTYPE_ARM_ALL, UINT32_MAX, SUBTYPE_MASK},
{ArchSpec::eCore_thumbv4t, llvm::MachO::CPU_TYPE_ARM, llvm::MachO::CPU_SUBTYPE_ARM_V4T, UINT32_MAX, SUBTYPE_MASK},
{ArchSpec::eCore_thumbv5, llvm::MachO::CPU_TYPE_ARM, llvm::MachO::CPU_SUBTYPE_ARM_V5, UINT32_MAX, SUBTYPE_MASK},
{ArchSpec::eCore_thumbv5e, llvm::MachO::CPU_TYPE_ARM, llvm::MachO::CPU_SUBTYPE_ARM_V5, UINT32_MAX, SUBTYPE_MASK},
{ArchSpec::eCore_thumbv6, llvm::MachO::CPU_TYPE_ARM, llvm::MachO::CPU_SUBTYPE_ARM_V6, UINT32_MAX, SUBTYPE_MASK},
{ArchSpec::eCore_thumbv6m, llvm::MachO::CPU_TYPE_ARM, llvm::MachO::CPU_SUBTYPE_ARM_V6M, UINT32_MAX, SUBTYPE_MASK},
{ArchSpec::eCore_thumbv7, llvm::MachO::CPU_TYPE_ARM, llvm::MachO::CPU_SUBTYPE_ARM_V7, 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, llvm::MachO::CPU_SUBTYPE_ARM_V7S, UINT32_MAX, SUBTYPE_MASK},
{ArchSpec::eCore_thumbv7k, llvm::MachO::CPU_TYPE_ARM, llvm::MachO::CPU_SUBTYPE_ARM_V7K, UINT32_MAX, SUBTYPE_MASK},
{ArchSpec::eCore_thumbv7m, llvm::MachO::CPU_TYPE_ARM, llvm::MachO::CPU_SUBTYPE_ARM_V7M, UINT32_MAX, SUBTYPE_MASK},
{ArchSpec::eCore_thumbv7em, llvm::MachO::CPU_TYPE_ARM, llvm::MachO::CPU_SUBTYPE_ARM_V7EM, 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, llvm::MachO::CPU_SUBTYPE_POWERPC_ALL, UINT32_MAX, SUBTYPE_MASK},
{ArchSpec::eCore_ppc_ppc601, llvm::MachO::CPU_TYPE_POWERPC, llvm::MachO::CPU_SUBTYPE_POWERPC_601, UINT32_MAX, SUBTYPE_MASK},
{ArchSpec::eCore_ppc_ppc602, llvm::MachO::CPU_TYPE_POWERPC, llvm::MachO::CPU_SUBTYPE_POWERPC_602, UINT32_MAX, SUBTYPE_MASK},
{ArchSpec::eCore_ppc_ppc603, llvm::MachO::CPU_TYPE_POWERPC, llvm::MachO::CPU_SUBTYPE_POWERPC_603, UINT32_MAX, SUBTYPE_MASK},
{ArchSpec::eCore_ppc_ppc603e, llvm::MachO::CPU_TYPE_POWERPC, llvm::MachO::CPU_SUBTYPE_POWERPC_603e, UINT32_MAX, SUBTYPE_MASK},
{ArchSpec::eCore_ppc_ppc603ev, llvm::MachO::CPU_TYPE_POWERPC, llvm::MachO::CPU_SUBTYPE_POWERPC_603ev, UINT32_MAX, SUBTYPE_MASK},
{ArchSpec::eCore_ppc_ppc604, llvm::MachO::CPU_TYPE_POWERPC, llvm::MachO::CPU_SUBTYPE_POWERPC_604, UINT32_MAX, SUBTYPE_MASK},
{ArchSpec::eCore_ppc_ppc604e, llvm::MachO::CPU_TYPE_POWERPC, llvm::MachO::CPU_SUBTYPE_POWERPC_604e, UINT32_MAX, SUBTYPE_MASK},
{ArchSpec::eCore_ppc_ppc620, llvm::MachO::CPU_TYPE_POWERPC, llvm::MachO::CPU_SUBTYPE_POWERPC_620, UINT32_MAX, SUBTYPE_MASK},
{ArchSpec::eCore_ppc_ppc750, llvm::MachO::CPU_TYPE_POWERPC, llvm::MachO::CPU_SUBTYPE_POWERPC_750, UINT32_MAX, SUBTYPE_MASK},
{ArchSpec::eCore_ppc_ppc7400, llvm::MachO::CPU_TYPE_POWERPC, llvm::MachO::CPU_SUBTYPE_POWERPC_7400, UINT32_MAX, SUBTYPE_MASK},
{ArchSpec::eCore_ppc_ppc7450, llvm::MachO::CPU_TYPE_POWERPC, llvm::MachO::CPU_SUBTYPE_POWERPC_7450, UINT32_MAX, SUBTYPE_MASK},
{ArchSpec::eCore_ppc_ppc970, llvm::MachO::CPU_TYPE_POWERPC, llvm::MachO::CPU_SUBTYPE_POWERPC_970, UINT32_MAX, SUBTYPE_MASK},
{ArchSpec::eCore_ppc64_generic, llvm::MachO::CPU_TYPE_POWERPC64, llvm::MachO::CPU_SUBTYPE_POWERPC_ALL, 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, llvm::MachO::CPU_SUBTYPE_I386_ALL, UINT32_MAX, SUBTYPE_MASK},
{ArchSpec::eCore_x86_32_i486, llvm::MachO::CPU_TYPE_I386, llvm::MachO::CPU_SUBTYPE_486, UINT32_MAX, SUBTYPE_MASK},
{ArchSpec::eCore_x86_32_i486sx, llvm::MachO::CPU_TYPE_I386, llvm::MachO::CPU_SUBTYPE_486SX, 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, llvm::MachO::CPU_SUBTYPE_X86_64_ALL, UINT32_MAX, SUBTYPE_MASK},
{ArchSpec::eCore_x86_64_x86_64, llvm::MachO::CPU_TYPE_X86_64, llvm::MachO::CPU_SUBTYPE_X86_ARCH1, UINT32_MAX, SUBTYPE_MASK},
{ArchSpec::eCore_x86_64_x86_64h, llvm::MachO::CPU_TYPE_X86_64, llvm::MachO::CPU_SUBTYPE_X86_64_H, 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}};
// clang-format on
static const ArchDefinition g_macho_arch_def = {eArchTypeMachO,
std::size(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,
ArchSpec::eCore_ppc64le_generic, 0xFFFFFFFFu, 0xFFFFFFFFu}, // PowerPC64le
{ArchSpec::eCore_ppc64_generic, llvm::ELF::EM_PPC64,
ArchSpec::eCore_ppc64_generic, 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_msp430, llvm::ELF::EM_MSP430, LLDB_INVALID_CPUTYPE,
0xFFFFFFFFu, 0xFFFFFFFFu}, // MSP430
{ArchSpec::eCore_hexagon_generic, llvm::ELF::EM_HEXAGON,
LLDB_INVALID_CPUTYPE, 0xFFFFFFFFu, 0xFFFFFFFFu}, // HEXAGON
{ArchSpec::eCore_arc, llvm::ELF::EM_ARC_COMPACT2, LLDB_INVALID_CPUTYPE,
0xFFFFFFFFu, 0xFFFFFFFFu}, // ARC
{ArchSpec::eCore_avr, llvm::ELF::EM_AVR, LLDB_INVALID_CPUTYPE, 0xFFFFFFFFu,
0xFFFFFFFFu}, // AVR
{ArchSpec::eCore_riscv32, llvm::ELF::EM_RISCV,
ArchSpec::eRISCVSubType_riscv32, 0xFFFFFFFFu, 0xFFFFFFFFu}, // riscv32
{ArchSpec::eCore_riscv64, llvm::ELF::EM_RISCV,
ArchSpec::eRISCVSubType_riscv64, 0xFFFFFFFFu, 0xFFFFFFFFu}, // riscv64
{ArchSpec::eCore_loongarch32, llvm::ELF::EM_LOONGARCH,
ArchSpec::eLoongArchSubType_loongarch32, 0xFFFFFFFFu,
0xFFFFFFFFu}, // loongarch32
{ArchSpec::eCore_loongarch64, llvm::ELF::EM_LOONGARCH,
ArchSpec::eLoongArchSubType_loongarch64, 0xFFFFFFFFu,
0xFFFFFFFFu}, // loongarch64
{ArchSpec::eCore_bpf, llvm::ELF::EM_BPF, LLDB_INVALID_CPUTYPE,
0xFFFFFFFFu, 0xFFFFFFFFu}, // bpf
{ArchSpec::eCore_sbfv0, llvm::ELF::EM_SBF, ArchSpec::eSBFSubType_sbfv0,
0xFFFFFFFFu, 0xFFFFFFFFu}, // sbf
{ArchSpec::eCore_sbfv1, llvm::ELF::EM_SBF, ArchSpec::eSBFSubType_sbfv1,
0xFFFFFFFFu, 0xFFFFFFFFu}, // sbfv1
{ArchSpec::eCore_sbfv2, llvm::ELF::EM_SBF, ArchSpec::eSBFSubType_sbfv2,
0xFFFFFFFFu, 0xFFFFFFFFu}, // sbfv2
{ArchSpec::eCore_sbfv3, llvm::ELF::EM_SBF, ArchSpec::eSBFSubType_sbfv3,
0xFFFFFFFFu, 0xFFFFFFFFu}, // sbfv3
{ArchSpec::eCore_sbfv4, llvm::ELF::EM_SBF, ArchSpec::eSBFSubType_sbfv4,
0xFFFFFFFFu, 0xFFFFFFFFu}, // sbfv3
};
static const ArchDefinition g_elf_arch_def = {
eArchTypeELF,
std::size(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
{ArchSpec::eCore_arm_arm64, llvm::COFF::IMAGE_FILE_MACHINE_ARM64,
LLDB_INVALID_CPUTYPE, 0xFFFFFFFFu, 0xFFFFFFFFu} // ARM64
};
static const ArchDefinition g_coff_arch_def = {
eArchTypeCOFF,
std::size(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 helper functions.
// Get the architecture definition for a given object type.
static const ArchDefinition *FindArchDefinition(ArchitectureType arch_type) {
for (const ArchDefinition *def : g_arch_definitions) {
if (def->type == arch_type)
return def;
}
return nullptr;
}
// Get an architecture definition by name.
static const CoreDefinition *FindCoreDefinition(llvm::StringRef name) {
for (const auto &def : g_core_definitions) {
if (name.equals_insensitive(def.name))
return &def;
}
return nullptr;
}
static inline const CoreDefinition *FindCoreDefinition(ArchSpec::Core core) {
if (core < std::size(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() = default;
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;
void ArchSpec::Clear() {
m_triple = llvm::Triple();
m_core = kCore_invalid;
m_byte_order = eByteOrderInvalid;
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 { return GetTriple().isMIPS(); }
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(const 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;
if (IsMIPS()) {
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;
}
}
if (GetTriple().isARM())
cpu = llvm::ARM::getARMCPUForArch(GetTriple(), "").str();
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 {
return 1;
}
uint32_t ArchSpec::GetCodeByteSize() const {
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;
}
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_32:
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) {
// ios-macabi always wins over macosx.
if ((GetTriple().getOS() == llvm::Triple::MacOSX ||
GetTriple().getOS() == llvm::Triple::UnknownOS) &&
other.GetTriple().getOS() == llvm::Triple::IOS &&
other.GetTriple().getEnvironment() == llvm::Triple::MacABI) {
(*this) = other;
return;
}
if (!TripleVendorWasSpecified() && other.TripleVendorWasSpecified())
GetTriple().setVendor(other.GetTriple().getVendor());
if (!TripleOSWasSpecified() && other.TripleOSWasSpecified())
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 (!TripleEnvironmentWasSpecified() &&
other.TripleEnvironmentWasSpecified()) {
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(false);
}
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;
case llvm::ELF::ELFOSABI_STANDALONE:
m_triple.setOS(llvm::Triple::OSType::UnknownOS);
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(GetLog(LLDBLog::Target | LLDBLog::Process | LLDBLog::Platform));
LLDB_LOGF(log,
"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;
}
static bool IsCompatibleEnvironment(llvm::Triple::EnvironmentType lhs,
llvm::Triple::EnvironmentType rhs) {
if (lhs == rhs)
return true;
// Apple simulators are a different platform than what they simulate.
// As the environments are different at this point, if one of them is a
// simulator, then they are different.
if (lhs == llvm::Triple::Simulator || rhs == llvm::Triple::Simulator)
return false;
// 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::IsMatch(const ArchSpec &rhs, MatchType match) const {
if (GetByteOrder() != rhs.GetByteOrder() ||
!cores_match(GetCore(), rhs.GetCore(), true, match == ExactMatch))
return false;
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();