1 //===-- RegisterContextNetBSDTest_i386.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 #if defined(__i386__) || defined(__x86_64__)
10
11 // clang-format off
12 #include <sys/types.h>
13 #include <i386/reg.h>
14 // clang-format on
15
16 #include "gmock/gmock.h"
17 #include "gtest/gtest.h"
18
19 #include "Plugins/Process/Utility/lldb-x86-register-enums.h"
20 #include "Plugins/Process/Utility/RegisterContextNetBSD_i386.h"
21
22 using namespace lldb;
23 using namespace lldb_private;
24
GetRegParams(RegisterInfoInterface & ctx,uint32_t reg)25 static std::pair<size_t, size_t> GetRegParams(RegisterInfoInterface &ctx,
26 uint32_t reg) {
27 const RegisterInfo &info = ctx.GetRegisterInfo()[reg];
28 return {info.byte_offset, info.byte_size};
29 }
30
31 #define EXPECT_OFF(regname, offset, size) \
32 EXPECT_THAT(GetRegParams(reg_ctx, lldb_##regname), \
33 ::testing::Pair(offset + base_offset, size))
34
35 #define EXPECT_GPR_I386(regname) \
36 EXPECT_THAT(GetRegParams(reg_ctx, lldb_##regname##_i386), \
37 ::testing::Pair(offsetof(reg, r_##regname), \
38 sizeof(reg::r_##regname)))
39 #define EXPECT_DBR_I386(num) \
40 EXPECT_OFF(dr##num##_i386, offsetof(dbreg, dr[num]), \
41 sizeof(dbreg::dr[num]))
42
TEST(RegisterContextNetBSDTest,i386)43 TEST(RegisterContextNetBSDTest, i386) {
44 ArchSpec arch{"i686-unknown-netbsd"};
45 RegisterContextNetBSD_i386 reg_ctx{arch};
46
47 EXPECT_GPR_I386(eax);
48 EXPECT_GPR_I386(ecx);
49 EXPECT_GPR_I386(edx);
50 EXPECT_GPR_I386(ebx);
51 EXPECT_GPR_I386(esp);
52 EXPECT_GPR_I386(ebp);
53 EXPECT_GPR_I386(esi);
54 EXPECT_GPR_I386(edi);
55 EXPECT_GPR_I386(eip);
56 EXPECT_GPR_I386(eflags);
57 EXPECT_GPR_I386(cs);
58 EXPECT_GPR_I386(ss);
59 EXPECT_GPR_I386(ds);
60 EXPECT_GPR_I386(es);
61 EXPECT_GPR_I386(fs);
62 EXPECT_GPR_I386(gs);
63
64 // fctrl is the first FPR field, it is used to determine offset of the whole
65 // FPR struct
66 size_t base_offset = reg_ctx.GetRegisterInfo()[lldb_fctrl_i386].byte_offset;
67
68 // assert against FXSAVE struct
69 EXPECT_OFF(fctrl_i386, 0x00, 2);
70 EXPECT_OFF(fstat_i386, 0x02, 2);
71 // TODO: This is a known bug, abridged ftag should is 8 bits in length.
72 EXPECT_OFF(ftag_i386, 0x04, 2);
73 EXPECT_OFF(fop_i386, 0x06, 2);
74 // NB: Technically fiseg/foseg are 16-bit long and the higher 16 bits
75 // are reserved. However, we use them to access/recombine 64-bit FIP/FDP.
76 EXPECT_OFF(fioff_i386, 0x08, 4);
77 EXPECT_OFF(fiseg_i386, 0x0C, 4);
78 EXPECT_OFF(fooff_i386, 0x10, 4);
79 EXPECT_OFF(foseg_i386, 0x14, 4);
80 EXPECT_OFF(mxcsr_i386, 0x18, 4);
81 EXPECT_OFF(mxcsrmask_i386, 0x1C, 4);
82 EXPECT_OFF(st0_i386, 0x20, 10);
83 EXPECT_OFF(st1_i386, 0x30, 10);
84 EXPECT_OFF(st2_i386, 0x40, 10);
85 EXPECT_OFF(st3_i386, 0x50, 10);
86 EXPECT_OFF(st4_i386, 0x60, 10);
87 EXPECT_OFF(st5_i386, 0x70, 10);
88 EXPECT_OFF(st6_i386, 0x80, 10);
89 EXPECT_OFF(st7_i386, 0x90, 10);
90 EXPECT_OFF(mm0_i386, 0x20, 8);
91 EXPECT_OFF(mm1_i386, 0x30, 8);
92 EXPECT_OFF(mm2_i386, 0x40, 8);
93 EXPECT_OFF(mm3_i386, 0x50, 8);
94 EXPECT_OFF(mm4_i386, 0x60, 8);
95 EXPECT_OFF(mm5_i386, 0x70, 8);
96 EXPECT_OFF(mm6_i386, 0x80, 8);
97 EXPECT_OFF(mm7_i386, 0x90, 8);
98 EXPECT_OFF(xmm0_i386, 0xA0, 16);
99 EXPECT_OFF(xmm1_i386, 0xB0, 16);
100 EXPECT_OFF(xmm2_i386, 0xC0, 16);
101 EXPECT_OFF(xmm3_i386, 0xD0, 16);
102 EXPECT_OFF(xmm4_i386, 0xE0, 16);
103 EXPECT_OFF(xmm5_i386, 0xF0, 16);
104 EXPECT_OFF(xmm6_i386, 0x100, 16);
105 EXPECT_OFF(xmm7_i386, 0x110, 16);
106
107 base_offset = reg_ctx.GetRegisterInfo()[lldb_dr0_i386].byte_offset;
108 EXPECT_DBR_I386(0);
109 EXPECT_DBR_I386(1);
110 EXPECT_DBR_I386(2);
111 EXPECT_DBR_I386(3);
112 EXPECT_DBR_I386(4);
113 EXPECT_DBR_I386(5);
114 EXPECT_DBR_I386(6);
115 EXPECT_DBR_I386(7);
116 }
117
118 #endif // defined(__i386__) || defined(__x86_64__)
119