1 //===-- RegisterContextNetBSDTest_x86_64.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(__x86_64__)
10
11 // clang-format off
12 #include <sys/types.h>
13 #include <amd64/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 #include "Plugins/Process/Utility/RegisterContextNetBSD_x86_64.h"
22
23 using namespace lldb;
24 using namespace lldb_private;
25
GetRegParams(RegisterInfoInterface & ctx,uint32_t reg)26 static std::pair<size_t, size_t> GetRegParams(RegisterInfoInterface &ctx,
27 uint32_t reg) {
28 const RegisterInfo &info = ctx.GetRegisterInfo()[reg];
29 return {info.byte_offset, info.byte_size};
30 }
31
32 #define EXPECT_OFF(regname, offset, size) \
33 EXPECT_THAT(GetRegParams(reg_ctx, lldb_##regname), \
34 ::testing::Pair(offset + base_offset, size))
35
36 #define EXPECT_GPR_X86_64(regname, regconst) \
37 EXPECT_THAT( \
38 GetRegParams(reg_ctx, lldb_##regname##_x86_64), \
39 ::testing::Pair(offsetof(reg, regs[regconst]), \
40 sizeof(reg::regs[regconst])))
41 #define EXPECT_DBR_X86_64(num) \
42 EXPECT_OFF(dr##num##_x86_64, offsetof(dbreg, dr[num]), sizeof(dbreg::dr[num]))
43
TEST(RegisterContextNetBSDTest,x86_64)44 TEST(RegisterContextNetBSDTest, x86_64) {
45 ArchSpec arch{"x86_64-unknown-netbsd"};
46 RegisterContextNetBSD_x86_64 reg_ctx{arch};
47
48 EXPECT_GPR_X86_64(rdi, _REG_RDI);
49 EXPECT_GPR_X86_64(rsi, _REG_RSI);
50 EXPECT_GPR_X86_64(rdx, _REG_RDX);
51 EXPECT_GPR_X86_64(rcx, _REG_RCX);
52 EXPECT_GPR_X86_64(r8, _REG_R8);
53 EXPECT_GPR_X86_64(r9, _REG_R9);
54 EXPECT_GPR_X86_64(r10, _REG_R10);
55 EXPECT_GPR_X86_64(r11, _REG_R11);
56 EXPECT_GPR_X86_64(r12, _REG_R12);
57 EXPECT_GPR_X86_64(r13, _REG_R13);
58 EXPECT_GPR_X86_64(r14, _REG_R14);
59 EXPECT_GPR_X86_64(r15, _REG_R15);
60 EXPECT_GPR_X86_64(rbp, _REG_RBP);
61 EXPECT_GPR_X86_64(rbx, _REG_RBX);
62 EXPECT_GPR_X86_64(rax, _REG_RAX);
63 EXPECT_GPR_X86_64(gs, _REG_GS);
64 EXPECT_GPR_X86_64(fs, _REG_FS);
65 EXPECT_GPR_X86_64(es, _REG_ES);
66 EXPECT_GPR_X86_64(ds, _REG_DS);
67 EXPECT_GPR_X86_64(rip, _REG_RIP);
68 EXPECT_GPR_X86_64(cs, _REG_CS);
69 EXPECT_GPR_X86_64(rflags, _REG_RFLAGS);
70 EXPECT_GPR_X86_64(rsp, _REG_RSP);
71 EXPECT_GPR_X86_64(ss, _REG_SS);
72
73 // fctrl is the first FPR field, it is used to determine offset of the whole
74 // FPR struct
75 size_t base_offset = reg_ctx.GetRegisterInfo()[lldb_fctrl_x86_64].byte_offset;
76
77 // assert against FXSAVE struct
78 EXPECT_OFF(fctrl_x86_64, 0x00, 2);
79 EXPECT_OFF(fstat_x86_64, 0x02, 2);
80 // TODO: This is a known bug, abridged ftag should is 8 bits in length.
81 EXPECT_OFF(ftag_x86_64, 0x04, 2);
82 EXPECT_OFF(fop_x86_64, 0x06, 2);
83 // NB: Technically fiseg/foseg are 16-bit long and the higher 16 bits
84 // are reserved. However, LLDB defines them to be 32-bit long for backwards
85 // compatibility, as they were used to reconstruct FIP/FDP before explicit
86 // register entries for them were added. Also, this is still how GDB does it.
87 EXPECT_OFF(fioff_x86_64, 0x08, 4);
88 EXPECT_OFF(fiseg_x86_64, 0x0C, 4);
89 EXPECT_OFF(fip_x86_64, 0x08, 8);
90 EXPECT_OFF(fooff_x86_64, 0x10, 4);
91 EXPECT_OFF(foseg_x86_64, 0x14, 4);
92 EXPECT_OFF(fdp_x86_64, 0x10, 8);
93 EXPECT_OFF(mxcsr_x86_64, 0x18, 4);
94 EXPECT_OFF(mxcsrmask_x86_64, 0x1C, 4);
95 EXPECT_OFF(st0_x86_64, 0x20, 10);
96 EXPECT_OFF(st1_x86_64, 0x30, 10);
97 EXPECT_OFF(st2_x86_64, 0x40, 10);
98 EXPECT_OFF(st3_x86_64, 0x50, 10);
99 EXPECT_OFF(st4_x86_64, 0x60, 10);
100 EXPECT_OFF(st5_x86_64, 0x70, 10);
101 EXPECT_OFF(st6_x86_64, 0x80, 10);
102 EXPECT_OFF(st7_x86_64, 0x90, 10);
103 EXPECT_OFF(mm0_x86_64, 0x20, 8);
104 EXPECT_OFF(mm1_x86_64, 0x30, 8);
105 EXPECT_OFF(mm2_x86_64, 0x40, 8);
106 EXPECT_OFF(mm3_x86_64, 0x50, 8);
107 EXPECT_OFF(mm4_x86_64, 0x60, 8);
108 EXPECT_OFF(mm5_x86_64, 0x70, 8);
109 EXPECT_OFF(mm6_x86_64, 0x80, 8);
110 EXPECT_OFF(mm7_x86_64, 0x90, 8);
111 EXPECT_OFF(xmm0_x86_64, 0xA0, 16);
112 EXPECT_OFF(xmm1_x86_64, 0xB0, 16);
113 EXPECT_OFF(xmm2_x86_64, 0xC0, 16);
114 EXPECT_OFF(xmm3_x86_64, 0xD0, 16);
115 EXPECT_OFF(xmm4_x86_64, 0xE0, 16);
116 EXPECT_OFF(xmm5_x86_64, 0xF0, 16);
117 EXPECT_OFF(xmm6_x86_64, 0x100, 16);
118 EXPECT_OFF(xmm7_x86_64, 0x110, 16);
119 EXPECT_OFF(xmm8_x86_64, 0x120, 16);
120 EXPECT_OFF(xmm9_x86_64, 0x130, 16);
121 EXPECT_OFF(xmm10_x86_64, 0x140, 16);
122 EXPECT_OFF(xmm11_x86_64, 0x150, 16);
123 EXPECT_OFF(xmm12_x86_64, 0x160, 16);
124 EXPECT_OFF(xmm13_x86_64, 0x170, 16);
125 EXPECT_OFF(xmm14_x86_64, 0x180, 16);
126 EXPECT_OFF(xmm15_x86_64, 0x190, 16);
127
128 base_offset = reg_ctx.GetRegisterInfo()[lldb_dr0_x86_64].byte_offset;
129 EXPECT_DBR_X86_64(0);
130 EXPECT_DBR_X86_64(1);
131 EXPECT_DBR_X86_64(2);
132 EXPECT_DBR_X86_64(3);
133 EXPECT_DBR_X86_64(4);
134 EXPECT_DBR_X86_64(5);
135 EXPECT_DBR_X86_64(6);
136 EXPECT_DBR_X86_64(7);
137 }
138
139 #endif // defined(__x86_64__)
140