xref: /freebsd-src/contrib/llvm-project/lldb/source/Plugins/Process/gdb-remote/GDBRemoteRegisterFallback.cpp (revision 04eeddc0aa8e0a417a16eaf9d7d095207f4a8623)
1*04eeddc0SDimitry Andric //===-- GDBRemoteRegisterFallback.cpp -------------------------------------===//
2*04eeddc0SDimitry Andric //
3*04eeddc0SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4*04eeddc0SDimitry Andric // See https://llvm.org/LICENSE.txt for license information.
5*04eeddc0SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6*04eeddc0SDimitry Andric //
7*04eeddc0SDimitry Andric //===----------------------------------------------------------------------===//
8*04eeddc0SDimitry Andric 
9*04eeddc0SDimitry Andric #include "GDBRemoteRegisterFallback.h"
10*04eeddc0SDimitry Andric 
11*04eeddc0SDimitry Andric namespace lldb_private {
12*04eeddc0SDimitry Andric namespace process_gdb_remote {
13*04eeddc0SDimitry Andric 
14*04eeddc0SDimitry Andric #define REG(name, size)                                                        \
15*04eeddc0SDimitry Andric   DynamicRegisterInfo::Register {                                              \
16*04eeddc0SDimitry Andric     ConstString(#name), empty_alt_name, reg_set, size, LLDB_INVALID_INDEX32,   \
17*04eeddc0SDimitry Andric         lldb::eEncodingUint, lldb::eFormatHex, LLDB_INVALID_REGNUM,            \
18*04eeddc0SDimitry Andric         LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, {}, {}  \
19*04eeddc0SDimitry Andric   }
20*04eeddc0SDimitry Andric #define R64(name) REG(name, 8)
21*04eeddc0SDimitry Andric #define R32(name) REG(name, 4)
22*04eeddc0SDimitry Andric 
23*04eeddc0SDimitry Andric static std::vector<DynamicRegisterInfo::Register> GetRegisters_aarch64() {
24*04eeddc0SDimitry Andric   ConstString empty_alt_name;
25*04eeddc0SDimitry Andric   ConstString reg_set{"general purpose registers"};
26*04eeddc0SDimitry Andric 
27*04eeddc0SDimitry Andric   std::vector<DynamicRegisterInfo::Register> registers{
28*04eeddc0SDimitry Andric       R64(x0),  R64(x1),  R64(x2),  R64(x3),  R64(x4),  R64(x5),   R64(x6),
29*04eeddc0SDimitry Andric       R64(x7),  R64(x8),  R64(x9),  R64(x10), R64(x11), R64(x12),  R64(x13),
30*04eeddc0SDimitry Andric       R64(x14), R64(x15), R64(x16), R64(x17), R64(x18), R64(x19),  R64(x20),
31*04eeddc0SDimitry Andric       R64(x21), R64(x22), R64(x23), R64(x24), R64(x25), R64(x26),  R64(x27),
32*04eeddc0SDimitry Andric       R64(x28), R64(x29), R64(x30), R64(sp),  R64(pc),  R32(cpsr),
33*04eeddc0SDimitry Andric   };
34*04eeddc0SDimitry Andric 
35*04eeddc0SDimitry Andric   return registers;
36*04eeddc0SDimitry Andric }
37*04eeddc0SDimitry Andric 
38*04eeddc0SDimitry Andric static std::vector<DynamicRegisterInfo::Register> GetRegisters_x86() {
39*04eeddc0SDimitry Andric   ConstString empty_alt_name;
40*04eeddc0SDimitry Andric   ConstString reg_set{"general purpose registers"};
41*04eeddc0SDimitry Andric 
42*04eeddc0SDimitry Andric   std::vector<DynamicRegisterInfo::Register> registers{
43*04eeddc0SDimitry Andric       R32(eax), R32(ecx), R32(edx), R32(ebx),    R32(esp), R32(ebp),
44*04eeddc0SDimitry Andric       R32(esi), R32(edi), R32(eip), R32(eflags), R32(cs),  R32(ss),
45*04eeddc0SDimitry Andric       R32(ds),  R32(es),  R32(fs),  R32(gs),
46*04eeddc0SDimitry Andric   };
47*04eeddc0SDimitry Andric 
48*04eeddc0SDimitry Andric   return registers;
49*04eeddc0SDimitry Andric }
50*04eeddc0SDimitry Andric 
51*04eeddc0SDimitry Andric static std::vector<DynamicRegisterInfo::Register> GetRegisters_x86_64() {
52*04eeddc0SDimitry Andric   ConstString empty_alt_name;
53*04eeddc0SDimitry Andric   ConstString reg_set{"general purpose registers"};
54*04eeddc0SDimitry Andric 
55*04eeddc0SDimitry Andric   std::vector<DynamicRegisterInfo::Register> registers{
56*04eeddc0SDimitry Andric       R64(rax), R64(rbx), R64(rcx), R64(rdx), R64(rsi), R64(rdi),
57*04eeddc0SDimitry Andric       R64(rbp), R64(rsp), R64(r8),  R64(r9),  R64(r10), R64(r11),
58*04eeddc0SDimitry Andric       R64(r12), R64(r13), R64(r14), R64(r15), R64(rip), R32(eflags),
59*04eeddc0SDimitry Andric       R32(cs),  R32(ss),  R32(ds),  R32(es),  R32(fs),  R32(gs),
60*04eeddc0SDimitry Andric   };
61*04eeddc0SDimitry Andric 
62*04eeddc0SDimitry Andric   return registers;
63*04eeddc0SDimitry Andric }
64*04eeddc0SDimitry Andric 
65*04eeddc0SDimitry Andric #undef R32
66*04eeddc0SDimitry Andric #undef R64
67*04eeddc0SDimitry Andric #undef REG
68*04eeddc0SDimitry Andric 
69*04eeddc0SDimitry Andric std::vector<DynamicRegisterInfo::Register>
70*04eeddc0SDimitry Andric GetFallbackRegisters(const ArchSpec &arch_to_use) {
71*04eeddc0SDimitry Andric   switch (arch_to_use.GetMachine()) {
72*04eeddc0SDimitry Andric   case llvm::Triple::aarch64:
73*04eeddc0SDimitry Andric     return GetRegisters_aarch64();
74*04eeddc0SDimitry Andric   case llvm::Triple::x86:
75*04eeddc0SDimitry Andric     return GetRegisters_x86();
76*04eeddc0SDimitry Andric   case llvm::Triple::x86_64:
77*04eeddc0SDimitry Andric     return GetRegisters_x86_64();
78*04eeddc0SDimitry Andric   default:
79*04eeddc0SDimitry Andric     break;
80*04eeddc0SDimitry Andric   }
81*04eeddc0SDimitry Andric 
82*04eeddc0SDimitry Andric   return {};
83*04eeddc0SDimitry Andric }
84*04eeddc0SDimitry Andric 
85*04eeddc0SDimitry Andric } // namespace process_gdb_remote
86*04eeddc0SDimitry Andric } // namespace lldb_private
87