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
14using namespace lldb_private;
15using namespace lldb;
16
17static const uint32_t g_gp_regnums_mips64[] = {
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    LLDB_INVALID_REGNUM // register sets need to end with this flag
29};
30
31static_assert((sizeof(g_gp_regnums_mips64) / sizeof(g_gp_regnums_mips64[0])) -
32                      1 ==
33                  k_num_gpr_registers_mips64,
34              "g_gp_regnums_mips64 has wrong number of register infos");
35
36const uint32_t g_fp_regnums_mips64[] = {
37    fpr_f0_mips64,      fpr_f1_mips64,  fpr_f2_mips64,  fpr_f3_mips64,
38    fpr_f4_mips64,      fpr_f5_mips64,  fpr_f6_mips64,  fpr_f7_mips64,
39    fpr_f8_mips64,      fpr_f9_mips64,  fpr_f10_mips64, fpr_f11_mips64,
40    fpr_f12_mips64,     fpr_f13_mips64, fpr_f14_mips64, fpr_f15_mips64,
41    fpr_f16_mips64,     fpr_f17_mips64, fpr_f18_mips64, fpr_f19_mips64,
42    fpr_f20_mips64,     fpr_f21_mips64, fpr_f22_mips64, fpr_f23_mips64,
43    fpr_f24_mips64,     fpr_f25_mips64, fpr_f26_mips64, fpr_f27_mips64,
44    fpr_f28_mips64,     fpr_f29_mips64, fpr_f30_mips64, fpr_f31_mips64,
45    fpr_fcsr_mips64,    fpr_fir_mips64,
46    LLDB_INVALID_REGNUM // register sets need to end with this flag
47};
48
49static_assert((sizeof(g_fp_regnums_mips64) / sizeof(g_fp_regnums_mips64[0])) -
50                      1 ==
51                  k_num_fpr_registers_mips64,
52              "g_fp_regnums_mips64 has wrong number of register infos");
53
54// Number of register sets provided by this context.
55constexpr size_t k_num_register_sets = 2;
56
57static const RegisterSet g_reg_sets_mips64[k_num_register_sets] = {
58    {"General Purpose Registers", "gpr", k_num_gpr_registers_mips64,
59     g_gp_regnums_mips64},
60    {"Floating Point Registers", "fpu", k_num_fpr_registers_mips64,
61     g_fp_regnums_mips64},
62};
63
64// http://svnweb.freebsd.org/base/head/sys/mips/include/regnum.h
65typedef struct _GPR {
66  uint64_t zero;
67  uint64_t r1;
68  uint64_t r2;
69  uint64_t r3;
70  uint64_t r4;
71  uint64_t r5;
72  uint64_t r6;
73  uint64_t r7;
74  uint64_t r8;
75  uint64_t r9;
76  uint64_t r10;
77  uint64_t r11;
78  uint64_t r12;
79  uint64_t r13;
80  uint64_t r14;
81  uint64_t r15;
82  uint64_t r16;
83  uint64_t r17;
84  uint64_t r18;
85  uint64_t r19;
86  uint64_t r20;
87  uint64_t r21;
88  uint64_t r22;
89  uint64_t r23;
90  uint64_t r24;
91  uint64_t r25;
92  uint64_t r26;
93  uint64_t r27;
94  uint64_t gp;
95  uint64_t sp;
96  uint64_t r30;
97  uint64_t ra;
98  uint64_t sr;
99  uint64_t mullo;
100  uint64_t mulhi;
101  uint64_t badvaddr;
102  uint64_t cause;
103  uint64_t pc;
104  uint64_t ic;
105  uint64_t dummy;
106} GPR_freebsd_mips;
107
108typedef struct _FPR {
109  uint64_t f0;
110  uint64_t f1;
111  uint64_t f2;
112  uint64_t f3;
113  uint64_t f4;
114  uint64_t f5;
115  uint64_t f6;
116  uint64_t f7;
117  uint64_t f8;
118  uint64_t f9;
119  uint64_t f10;
120  uint64_t f11;
121  uint64_t f12;
122  uint64_t f13;
123  uint64_t f14;
124  uint64_t f15;
125  uint64_t f16;
126  uint64_t f17;
127  uint64_t f18;
128  uint64_t f19;
129  uint64_t f20;
130  uint64_t f21;
131  uint64_t f22;
132  uint64_t f23;
133  uint64_t f24;
134  uint64_t f25;
135  uint64_t f26;
136  uint64_t f27;
137  uint64_t f28;
138  uint64_t f29;
139  uint64_t f30;
140  uint64_t f31;
141  uint64_t fcsr;
142  uint64_t fir;
143} FPR_freebsd_mips;
144
145// Include RegisterInfos_mips64 to declare our g_register_infos_mips64
146// structure.
147#define DECLARE_REGISTER_INFOS_MIPS64_STRUCT
148#include "RegisterInfos_mips64.h"
149#undef DECLARE_REGISTER_INFOS_MIPS64_STRUCT
150
151RegisterContextFreeBSD_mips64::RegisterContextFreeBSD_mips64(
152    const ArchSpec &target_arch)
153    : RegisterInfoInterface(target_arch) {}
154
155size_t RegisterContextFreeBSD_mips64::GetGPRSize() const {
156  return sizeof(GPR_freebsd_mips);
157}
158
159const RegisterSet *
160RegisterContextFreeBSD_mips64::GetRegisterSet(size_t set) const {
161  // Check if RegisterSet is available
162  if (set < k_num_register_sets)
163    return &g_reg_sets_mips64[set];
164  return nullptr;
165}
166
167size_t RegisterContextFreeBSD_mips64::GetRegisterSetCount() const {
168  return k_num_register_sets;
169}
170
171const RegisterInfo *RegisterContextFreeBSD_mips64::GetRegisterInfo() const {
172  assert(GetTargetArchitecture().GetCore() == ArchSpec::eCore_mips64);
173  return g_register_infos_mips64;
174}
175
176uint32_t RegisterContextFreeBSD_mips64::GetRegisterCount() const {
177  return static_cast<uint32_t>(sizeof(g_register_infos_mips64) /
178                               sizeof(g_register_infos_mips64[0]));
179}
180