1 //===-- AArch66.h ---------------------------------------------------------===//
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 "ABIAArch64.h"
10 #ifdef LLDB_ENABLE_ALL
11 #include "ABIMacOSX_arm64.h"
12 #endif // LLDB_ENABLE_ALL
13 #include "ABISysV_arm64.h"
14 #include "Utility/ARM64_DWARF_Registers.h"
15 #include "lldb/Core/PluginManager.h"
16 
17 LLDB_PLUGIN_DEFINE(ABIAArch64)
18 
19 void ABIAArch64::Initialize() {
20   ABISysV_arm64::Initialize();
21 #ifdef LLDB_ENABLE_ALL
22   ABIMacOSX_arm64::Initialize();
23 #endif // LLDB_ENABLE_ALL
24 }
25 
26 void ABIAArch64::Terminate() {
27   ABISysV_arm64::Terminate();
28 #ifdef LLDB_ENABLE_ALL
29   ABIMacOSX_arm64::Terminate();
30 #endif // LLDB_ENABLE_ALL
31 }
32 
33 std::pair<uint32_t, uint32_t>
34 ABIAArch64::GetEHAndDWARFNums(llvm::StringRef name) {
35   if (name == "pc")
36     return {LLDB_INVALID_REGNUM, arm64_dwarf::pc};
37   if (name == "cpsr")
38     return {LLDB_INVALID_REGNUM, arm64_dwarf::cpsr};
39   return MCBasedABI::GetEHAndDWARFNums(name);
40 }
41 
42 std::string ABIAArch64::GetMCName(std::string reg) {
43   MapRegisterName(reg, "v", "q");
44   MapRegisterName(reg, "x29", "fp");
45   MapRegisterName(reg, "x30", "lr");
46   return reg;
47 }
48 uint32_t ABIAArch64::GetGenericNum(llvm::StringRef name) {
49   return llvm::StringSwitch<uint32_t>(name)
50       .Case("pc", LLDB_REGNUM_GENERIC_PC)
51       .Case("lr", LLDB_REGNUM_GENERIC_RA)
52       .Case("sp", LLDB_REGNUM_GENERIC_SP)
53       .Case("fp", LLDB_REGNUM_GENERIC_FP)
54       .Case("cpsr", LLDB_REGNUM_GENERIC_FLAGS)
55       .Case("x0", LLDB_REGNUM_GENERIC_ARG1)
56       .Case("x1", LLDB_REGNUM_GENERIC_ARG2)
57       .Case("x2", LLDB_REGNUM_GENERIC_ARG3)
58       .Case("x3", LLDB_REGNUM_GENERIC_ARG4)
59       .Case("x4", LLDB_REGNUM_GENERIC_ARG5)
60       .Case("x5", LLDB_REGNUM_GENERIC_ARG6)
61       .Case("x6", LLDB_REGNUM_GENERIC_ARG7)
62       .Case("x7", LLDB_REGNUM_GENERIC_ARG8)
63       .Default(LLDB_INVALID_REGNUM);
64 }
65