1 //===-- GDBRemoteRegisterFallback.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 "GDBRemoteRegisterFallback.h" 10 11 namespace lldb_private { 12 namespace process_gdb_remote { 13 14 #define REG(name, size) \ 15 DynamicRegisterInfo::Register { \ 16 ConstString(#name), empty_alt_name, reg_set, size, LLDB_INVALID_INDEX32, \ 17 lldb::eEncodingUint, lldb::eFormatHex, LLDB_INVALID_REGNUM, \ 18 LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, {}, {} \ 19 } 20 #define R64(name) REG(name, 8) 21 #define R32(name) REG(name, 4) 22 23 static std::vector<DynamicRegisterInfo::Register> GetRegisters_aarch64() { 24 ConstString empty_alt_name; 25 ConstString reg_set{"general purpose registers"}; 26 27 std::vector<DynamicRegisterInfo::Register> registers{ 28 R64(x0), R64(x1), R64(x2), R64(x3), R64(x4), R64(x5), R64(x6), 29 R64(x7), R64(x8), R64(x9), R64(x10), R64(x11), R64(x12), R64(x13), 30 R64(x14), R64(x15), R64(x16), R64(x17), R64(x18), R64(x19), R64(x20), 31 R64(x21), R64(x22), R64(x23), R64(x24), R64(x25), R64(x26), R64(x27), 32 R64(x28), R64(x29), R64(x30), R64(sp), R64(pc), R32(cpsr), 33 }; 34 35 return registers; 36 } 37 38 static std::vector<DynamicRegisterInfo::Register> GetRegisters_x86() { 39 ConstString empty_alt_name; 40 ConstString reg_set{"general purpose registers"}; 41 42 std::vector<DynamicRegisterInfo::Register> registers{ 43 R32(eax), R32(ecx), R32(edx), R32(ebx), R32(esp), R32(ebp), 44 R32(esi), R32(edi), R32(eip), R32(eflags), R32(cs), R32(ss), 45 R32(ds), R32(es), R32(fs), R32(gs), 46 }; 47 48 return registers; 49 } 50 51 static std::vector<DynamicRegisterInfo::Register> GetRegisters_x86_64() { 52 ConstString empty_alt_name; 53 ConstString reg_set{"general purpose registers"}; 54 55 std::vector<DynamicRegisterInfo::Register> registers{ 56 R64(rax), R64(rbx), R64(rcx), R64(rdx), R64(rsi), R64(rdi), 57 R64(rbp), R64(rsp), R64(r8), R64(r9), R64(r10), R64(r11), 58 R64(r12), R64(r13), R64(r14), R64(r15), R64(rip), R32(eflags), 59 R32(cs), R32(ss), R32(ds), R32(es), R32(fs), R32(gs), 60 }; 61 62 return registers; 63 } 64 65 #undef R32 66 #undef R64 67 #undef REG 68 69 std::vector<DynamicRegisterInfo::Register> 70 GetFallbackRegisters(const ArchSpec &arch_to_use) { 71 switch (arch_to_use.GetMachine()) { 72 case llvm::Triple::aarch64: 73 return GetRegisters_aarch64(); 74 case llvm::Triple::x86: 75 return GetRegisters_x86(); 76 case llvm::Triple::x86_64: 77 return GetRegisters_x86_64(); 78 default: 79 break; 80 } 81 82 return {}; 83 } 84 85 } // namespace process_gdb_remote 86 } // namespace lldb_private 87