1//===-- RegisterContextFreeBSD_mips64.cpp ----------------------*- C++ -*-===//
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_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.
30constexpr size_t k_num_register_sets = 1;
31
32static 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
39typedef 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
88RegisterContextFreeBSD_mips64::RegisterContextFreeBSD_mips64(
89    const ArchSpec &target_arch)
90    : RegisterInfoInterface(target_arch) {}
91
92size_t RegisterContextFreeBSD_mips64::GetGPRSize() const {
93  return sizeof(GPR_freebsd_mips);
94}
95
96const RegisterSet *
97RegisterContextFreeBSD_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
104size_t
105RegisterContextFreeBSD_mips64::GetRegisterSetCount() const {
106  return k_num_register_sets;
107}
108
109const RegisterInfo *RegisterContextFreeBSD_mips64::GetRegisterInfo() const {
110  assert(m_target_arch.GetCore() == ArchSpec::eCore_mips64);
111  return g_register_infos_mips64;
112}
113
114uint32_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