1 //===-- RegisterContextFreeBSD_mips64.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 "RegisterContextFreeBSD_mips64.h"
10 #include "RegisterContextPOSIX_mips64.h"
11 #include "lldb-mips-freebsd-register-enums.h"
12 #include <vector>
13
14 using namespace lldb_private;
15 using namespace lldb;
16
17 static const uint32_t g_gpr_regnums[] = {
18 gpr_zero_mips64, gpr_r1_mips64, gpr_r2_mips64, gpr_r3_mips64,
19 gpr_r4_mips64, gpr_r5_mips64, gpr_r6_mips64, gpr_r7_mips64,
20 gpr_r8_mips64, gpr_r9_mips64, gpr_r10_mips64, gpr_r11_mips64,
21 gpr_r12_mips64, gpr_r13_mips64, gpr_r14_mips64, gpr_r15_mips64,
22 gpr_r16_mips64, gpr_r17_mips64, gpr_r18_mips64, gpr_r19_mips64,
23 gpr_r20_mips64, gpr_r21_mips64, gpr_r22_mips64, gpr_r23_mips64,
24 gpr_r24_mips64, gpr_r25_mips64, gpr_r26_mips64, gpr_r27_mips64,
25 gpr_gp_mips64, gpr_sp_mips64, gpr_r30_mips64, gpr_ra_mips64,
26 gpr_sr_mips64, gpr_mullo_mips64, gpr_mulhi_mips64, gpr_badvaddr_mips64,
27 gpr_cause_mips64, gpr_pc_mips64, gpr_ic_mips64, gpr_dummy_mips64};
28
29 // Number of register sets provided by this context.
30 constexpr size_t k_num_register_sets = 1;
31
32 static const RegisterSet g_reg_sets_mips64[k_num_register_sets] = {
33 {"General Purpose Registers", "gpr", k_num_gpr_registers_mips64,
34 g_gpr_regnums},
35 };
36
37
38 // http://svnweb.freebsd.org/base/head/sys/mips/include/regnum.h
39 typedef struct _GPR {
40 uint64_t zero;
41 uint64_t r1;
42 uint64_t r2;
43 uint64_t r3;
44 uint64_t r4;
45 uint64_t r5;
46 uint64_t r6;
47 uint64_t r7;
48 uint64_t r8;
49 uint64_t r9;
50 uint64_t r10;
51 uint64_t r11;
52 uint64_t r12;
53 uint64_t r13;
54 uint64_t r14;
55 uint64_t r15;
56 uint64_t r16;
57 uint64_t r17;
58 uint64_t r18;
59 uint64_t r19;
60 uint64_t r20;
61 uint64_t r21;
62 uint64_t r22;
63 uint64_t r23;
64 uint64_t r24;
65 uint64_t r25;
66 uint64_t r26;
67 uint64_t r27;
68 uint64_t gp;
69 uint64_t sp;
70 uint64_t r30;
71 uint64_t ra;
72 uint64_t sr;
73 uint64_t mullo;
74 uint64_t mulhi;
75 uint64_t badvaddr;
76 uint64_t cause;
77 uint64_t pc;
78 uint64_t ic;
79 uint64_t dummy;
80 } GPR_freebsd_mips;
81
82 // Include RegisterInfos_mips64 to declare our g_register_infos_mips64
83 // structure.
84 #define DECLARE_REGISTER_INFOS_MIPS64_STRUCT
85 #include "RegisterInfos_mips64.h"
86 #undef DECLARE_REGISTER_INFOS_MIPS64_STRUCT
87
RegisterContextFreeBSD_mips64(const ArchSpec & target_arch)88 RegisterContextFreeBSD_mips64::RegisterContextFreeBSD_mips64(
89 const ArchSpec &target_arch)
90 : RegisterInfoInterface(target_arch) {}
91
GetGPRSize() const92 size_t RegisterContextFreeBSD_mips64::GetGPRSize() const {
93 return sizeof(GPR_freebsd_mips);
94 }
95
96 const RegisterSet *
GetRegisterSet(size_t set) const97 RegisterContextFreeBSD_mips64::GetRegisterSet(size_t set) const {
98 // Check if RegisterSet is available
99 if (set < k_num_register_sets)
100 return &g_reg_sets_mips64[set];
101 return nullptr;
102 }
103
104 size_t
GetRegisterSetCount() const105 RegisterContextFreeBSD_mips64::GetRegisterSetCount() const {
106 return k_num_register_sets;
107 }
108
GetRegisterInfo() const109 const RegisterInfo *RegisterContextFreeBSD_mips64::GetRegisterInfo() const {
110 assert(m_target_arch.GetCore() == ArchSpec::eCore_mips64);
111 return g_register_infos_mips64;
112 }
113
GetRegisterCount() const114 uint32_t RegisterContextFreeBSD_mips64::GetRegisterCount() const {
115 return static_cast<uint32_t>(sizeof(g_register_infos_mips64) /
116 sizeof(g_register_infos_mips64[0]));
117 }
118