119 lines · cpp
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-exception6//7//===----------------------------------------------------------------------===//8 9#if defined(__i386__) || defined(__x86_64__)10 11// clang-format off12#include <sys/types.h>13#include <i386/reg.h>14// clang-format on15 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 22using namespace lldb;23using namespace lldb_private;24 25static 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 43TEST(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 whole65 // FPR struct66 size_t base_offset = reg_ctx.GetRegisterInfo()[lldb_fctrl_i386].byte_offset;67 68 // assert against FXSAVE struct69 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 bits75 // 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