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 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 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