1 //===-- RegisterContextFreeBSD_mips64.cpp ----------------------*- C++ -*-===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===---------------------------------------------------------------------===//
9
10 #include "RegisterContextFreeBSD_mips64.h"
11 #include "RegisterContextPOSIX_mips64.h"
12 #include "lldb-mips-freebsd-register-enums.h"
13 #include <vector>
14
15 using namespace lldb_private;
16 using namespace lldb;
17
18 static const uint32_t g_gpr_regnums[] = {
19 gpr_zero_mips64, gpr_r1_mips64, gpr_r2_mips64, gpr_r3_mips64,
20 gpr_r4_mips64, gpr_r5_mips64, gpr_r6_mips64, gpr_r7_mips64,
21 gpr_r8_mips64, gpr_r9_mips64, gpr_r10_mips64, gpr_r11_mips64,
22 gpr_r12_mips64, gpr_r13_mips64, gpr_r14_mips64, gpr_r15_mips64,
23 gpr_r16_mips64, gpr_r17_mips64, gpr_r18_mips64, gpr_r19_mips64,
24 gpr_r20_mips64, gpr_r21_mips64, gpr_r22_mips64, gpr_r23_mips64,
25 gpr_r24_mips64, gpr_r25_mips64, gpr_r26_mips64, gpr_r27_mips64,
26 gpr_gp_mips64, gpr_sp_mips64, gpr_r30_mips64, gpr_ra_mips64,
27 gpr_sr_mips64, gpr_mullo_mips64, gpr_mulhi_mips64, gpr_badvaddr_mips64,
28 gpr_cause_mips64, gpr_pc_mips64, gpr_ic_mips64, gpr_dummy_mips64};
29
30 // Number of register sets provided by this context.
31 constexpr size_t k_num_register_sets = 1;
32
33 static const RegisterSet g_reg_sets_mips64[k_num_register_sets] = {
34 {"General Purpose Registers", "gpr", k_num_gpr_registers_mips64,
35 g_gpr_regnums},
36 };
37
38
39 // http://svnweb.freebsd.org/base/head/sys/mips/include/regnum.h
40 typedef struct _GPR {
41 uint64_t zero;
42 uint64_t r1;
43 uint64_t r2;
44 uint64_t r3;
45 uint64_t r4;
46 uint64_t r5;
47 uint64_t r6;
48 uint64_t r7;
49 uint64_t r8;
50 uint64_t r9;
51 uint64_t r10;
52 uint64_t r11;
53 uint64_t r12;
54 uint64_t r13;
55 uint64_t r14;
56 uint64_t r15;
57 uint64_t r16;
58 uint64_t r17;
59 uint64_t r18;
60 uint64_t r19;
61 uint64_t r20;
62 uint64_t r21;
63 uint64_t r22;
64 uint64_t r23;
65 uint64_t r24;
66 uint64_t r25;
67 uint64_t r26;
68 uint64_t r27;
69 uint64_t gp;
70 uint64_t sp;
71 uint64_t r30;
72 uint64_t ra;
73 uint64_t sr;
74 uint64_t mullo;
75 uint64_t mulhi;
76 uint64_t badvaddr;
77 uint64_t cause;
78 uint64_t pc;
79 uint64_t ic;
80 uint64_t dummy;
81 } GPR_freebsd_mips;
82
83 //---------------------------------------------------------------------------
84 // Include RegisterInfos_mips64 to declare our g_register_infos_mips64
85 // structure.
86 //---------------------------------------------------------------------------
87 #define DECLARE_REGISTER_INFOS_MIPS64_STRUCT
88 #include "RegisterInfos_mips64.h"
89 #undef DECLARE_REGISTER_INFOS_MIPS64_STRUCT
90
RegisterContextFreeBSD_mips64(const ArchSpec & target_arch)91 RegisterContextFreeBSD_mips64::RegisterContextFreeBSD_mips64(
92 const ArchSpec &target_arch)
93 : RegisterInfoInterface(target_arch) {}
94
GetGPRSize() const95 size_t RegisterContextFreeBSD_mips64::GetGPRSize() const {
96 return sizeof(GPR_freebsd_mips);
97 }
98
99 const RegisterSet *
GetRegisterSet(size_t set) const100 RegisterContextFreeBSD_mips64::GetRegisterSet(size_t set) const {
101 // Check if RegisterSet is available
102 if (set < k_num_register_sets)
103 return &g_reg_sets_mips64[set];
104 return nullptr;
105 }
106
107 size_t
GetRegisterSetCount() const108 RegisterContextFreeBSD_mips64::GetRegisterSetCount() const {
109 return k_num_register_sets;
110 }
111
GetRegisterInfo() const112 const RegisterInfo *RegisterContextFreeBSD_mips64::GetRegisterInfo() const {
113 assert(m_target_arch.GetCore() == ArchSpec::eCore_mips64);
114 return g_register_infos_mips64;
115 }
116
GetRegisterCount() const117 uint32_t RegisterContextFreeBSD_mips64::GetRegisterCount() const {
118 return static_cast<uint32_t>(sizeof(g_register_infos_mips64) /
119 sizeof(g_register_infos_mips64[0]));
120 }
121