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GDBRemoteRegisterFallback.cpp
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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
10
11namespace lldb_private {
12namespace 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
23static 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
38static 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
51static 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
69std::vector<DynamicRegisterInfo::Register>
70GetFallbackRegisters(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
#define R32(name)
#define R64(name)
An architecture specification class.
Definition: ArchSpec.h:32
llvm::Triple::ArchType GetMachine() const
Returns a machine family for the current architecture.
Definition: ArchSpec.cpp:678
A uniqued constant string class.
Definition: ConstString.h:39
static std::vector< DynamicRegisterInfo::Register > GetRegisters_x86()
static std::vector< DynamicRegisterInfo::Register > GetRegisters_x86_64()
std::vector< DynamicRegisterInfo::Register > GetFallbackRegisters(const ArchSpec &arch_to_use)
static std::vector< DynamicRegisterInfo::Register > GetRegisters_aarch64()
A class that represents a running process on the host machine.