| //===-- RegisterContextMinidumpTest.cpp -----------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "Plugins/Process/Utility/RegisterContextLinux_i386.h" |
| #include "Plugins/Process/Utility/RegisterContextLinux_x86_64.h" |
| #include "Plugins/Process/minidump/RegisterContextMinidump_x86_32.h" |
| #include "Plugins/Process/minidump/RegisterContextMinidump_x86_64.h" |
| #include "Plugins/Process/minidump/RegisterContextMinidump_ARM.h" |
| #include "lldb/Utility/DataBuffer.h" |
| #include "llvm/ADT/StringRef.h" |
| #include "gtest/gtest.h" |
| |
| using namespace lldb_private; |
| using namespace lldb_private::minidump; |
| |
| static uint32_t reg32(const DataBuffer &Buf, const RegisterInfo &Info) { |
| return *reinterpret_cast<const uint32_t *>(Buf.GetBytes() + Info.byte_offset); |
| } |
| |
| static uint64_t reg64(const DataBuffer &Buf, const RegisterInfo &Info) { |
| return *reinterpret_cast<const uint64_t *>(Buf.GetBytes() + Info.byte_offset); |
| } |
| |
| TEST(RegisterContextMinidump, ConvertMinidumpContext_x86_32) { |
| MinidumpContext_x86_32 Context; |
| Context.context_flags = |
| static_cast<uint32_t>(MinidumpContext_x86_32_Flags::x86_32_Flag | |
| MinidumpContext_x86_32_Flags::Control | |
| MinidumpContext_x86_32_Flags::Segments | |
| MinidumpContext_x86_32_Flags::Integer); |
| Context.eax = 0x00010203; |
| Context.ebx = 0x04050607; |
| Context.ecx = 0x08090a0b; |
| Context.edx = 0x0c0d0e0f; |
| Context.edi = 0x10111213; |
| Context.esi = 0x14151617; |
| Context.ebp = 0x18191a1b; |
| Context.esp = 0x1c1d1e1f; |
| Context.eip = 0x20212223; |
| Context.eflags = 0x24252627; |
| Context.cs = 0x2829; |
| Context.fs = 0x2a2b; |
| Context.gs = 0x2c2d; |
| Context.ss = 0x2e2f; |
| Context.ds = 0x3031; |
| Context.es = 0x3233; |
| llvm::ArrayRef<uint8_t> ContextRef(reinterpret_cast<uint8_t *>(&Context), |
| sizeof(Context)); |
| |
| ArchSpec arch("i386-pc-linux"); |
| auto RegInterface = std::make_unique<RegisterContextLinux_i386>(arch); |
| lldb::DataBufferSP Buf = |
| ConvertMinidumpContext_x86_32(ContextRef, RegInterface.get()); |
| ASSERT_EQ(RegInterface->GetGPRSize(), Buf->GetByteSize()); |
| |
| const RegisterInfo *Info = RegInterface->GetRegisterInfo(); |
| ASSERT_NE(nullptr, Info); |
| |
| EXPECT_EQ(Context.eax, reg32(*Buf, Info[lldb_eax_i386])); |
| EXPECT_EQ(Context.ebx, reg32(*Buf, Info[lldb_ebx_i386])); |
| EXPECT_EQ(Context.ecx, reg32(*Buf, Info[lldb_ecx_i386])); |
| EXPECT_EQ(Context.edx, reg32(*Buf, Info[lldb_edx_i386])); |
| EXPECT_EQ(Context.edi, reg32(*Buf, Info[lldb_edi_i386])); |
| EXPECT_EQ(Context.esi, reg32(*Buf, Info[lldb_esi_i386])); |
| EXPECT_EQ(Context.ebp, reg32(*Buf, Info[lldb_ebp_i386])); |
| EXPECT_EQ(Context.esp, reg32(*Buf, Info[lldb_esp_i386])); |
| EXPECT_EQ(Context.eip, reg32(*Buf, Info[lldb_eip_i386])); |
| EXPECT_EQ(Context.eflags, reg32(*Buf, Info[lldb_eflags_i386])); |
| EXPECT_EQ(Context.cs, reg32(*Buf, Info[lldb_cs_i386])); |
| EXPECT_EQ(Context.fs, reg32(*Buf, Info[lldb_fs_i386])); |
| EXPECT_EQ(Context.gs, reg32(*Buf, Info[lldb_gs_i386])); |
| EXPECT_EQ(Context.ss, reg32(*Buf, Info[lldb_ss_i386])); |
| EXPECT_EQ(Context.ds, reg32(*Buf, Info[lldb_ds_i386])); |
| EXPECT_EQ(Context.es, reg32(*Buf, Info[lldb_es_i386])); |
| } |
| |
| TEST(RegisterContextMinidump, ConvertMinidumpContext_x86_64) { |
| MinidumpContext_x86_64 Context; |
| Context.context_flags = |
| static_cast<uint32_t>(MinidumpContext_x86_64_Flags::x86_64_Flag | |
| MinidumpContext_x86_64_Flags::Control | |
| MinidumpContext_x86_64_Flags::Segments | |
| MinidumpContext_x86_64_Flags::Integer); |
| Context.rax = 0x0001020304050607; |
| Context.rbx = 0x08090a0b0c0d0e0f; |
| Context.rcx = 0x1011121314151617; |
| Context.rdx = 0x18191a1b1c1d1e1f; |
| Context.rdi = 0x2021222324252627; |
| Context.rsi = 0x28292a2b2c2d2e2f; |
| Context.rbp = 0x3031323334353637; |
| Context.rsp = 0x38393a3b3c3d3e3f; |
| Context.r8 = 0x4041424344454647; |
| Context.r9 = 0x48494a4b4c4d4e4f; |
| Context.r10 = 0x5051525354555657; |
| Context.r11 = 0x58595a5b5c5d5e5f; |
| Context.r12 = 0x6061626364656667; |
| Context.r13 = 0x68696a6b6c6d6e6f; |
| Context.r14 = 0x7071727374757677; |
| Context.r15 = 0x78797a7b7c7d7e7f; |
| Context.rip = 0x8081828384858687; |
| Context.eflags = 0x88898a8b; |
| Context.cs = 0x8c8d; |
| Context.fs = 0x8e8f; |
| Context.gs = 0x9091; |
| Context.ss = 0x9293; |
| Context.ds = 0x9495; |
| Context.ss = 0x9697; |
| llvm::ArrayRef<uint8_t> ContextRef(reinterpret_cast<uint8_t *>(&Context), |
| sizeof(Context)); |
| |
| ArchSpec arch("x86_64-pc-linux"); |
| auto RegInterface = std::make_unique<RegisterContextLinux_x86_64>(arch); |
| lldb::DataBufferSP Buf = |
| ConvertMinidumpContext_x86_64(ContextRef, RegInterface.get()); |
| ASSERT_EQ(RegInterface->GetGPRSize(), Buf->GetByteSize()); |
| |
| const RegisterInfo *Info = RegInterface->GetRegisterInfo(); |
| EXPECT_EQ(Context.rax, reg64(*Buf, Info[lldb_rax_x86_64])); |
| EXPECT_EQ(Context.rbx, reg64(*Buf, Info[lldb_rbx_x86_64])); |
| EXPECT_EQ(Context.rcx, reg64(*Buf, Info[lldb_rcx_x86_64])); |
| EXPECT_EQ(Context.rdx, reg64(*Buf, Info[lldb_rdx_x86_64])); |
| EXPECT_EQ(Context.rdi, reg64(*Buf, Info[lldb_rdi_x86_64])); |
| EXPECT_EQ(Context.rsi, reg64(*Buf, Info[lldb_rsi_x86_64])); |
| EXPECT_EQ(Context.rbp, reg64(*Buf, Info[lldb_rbp_x86_64])); |
| EXPECT_EQ(Context.rsp, reg64(*Buf, Info[lldb_rsp_x86_64])); |
| EXPECT_EQ(Context.r8, reg64(*Buf, Info[lldb_r8_x86_64])); |
| EXPECT_EQ(Context.r9, reg64(*Buf, Info[lldb_r9_x86_64])); |
| EXPECT_EQ(Context.r10, reg64(*Buf, Info[lldb_r10_x86_64])); |
| EXPECT_EQ(Context.r11, reg64(*Buf, Info[lldb_r11_x86_64])); |
| EXPECT_EQ(Context.r12, reg64(*Buf, Info[lldb_r12_x86_64])); |
| EXPECT_EQ(Context.r13, reg64(*Buf, Info[lldb_r13_x86_64])); |
| EXPECT_EQ(Context.r14, reg64(*Buf, Info[lldb_r14_x86_64])); |
| EXPECT_EQ(Context.r15, reg64(*Buf, Info[lldb_r15_x86_64])); |
| EXPECT_EQ(Context.rip, reg64(*Buf, Info[lldb_rip_x86_64])); |
| EXPECT_EQ(Context.eflags, reg64(*Buf, Info[lldb_rflags_x86_64])); |
| EXPECT_EQ(Context.cs, reg64(*Buf, Info[lldb_cs_x86_64])); |
| EXPECT_EQ(Context.fs, reg64(*Buf, Info[lldb_fs_x86_64])); |
| EXPECT_EQ(Context.gs, reg64(*Buf, Info[lldb_gs_x86_64])); |
| EXPECT_EQ(Context.ss, reg64(*Buf, Info[lldb_ss_x86_64])); |
| EXPECT_EQ(Context.ds, reg64(*Buf, Info[lldb_ds_x86_64])); |
| EXPECT_EQ(Context.es, reg64(*Buf, Info[lldb_es_x86_64])); |
| } |
| |
| static void TestARMRegInfo(const lldb_private::RegisterInfo *info) { |
| // Make sure we have valid register numbers for eRegisterKindEHFrame and |
| // eRegisterKindDWARF for GPR registers r0-r15 so that we can unwind |
| // correctly when using this information. |
| llvm::StringRef name(info->name); |
| llvm::StringRef alt_name(info->alt_name); |
| if (name.startswith("r") || alt_name.startswith("r")) { |
| EXPECT_NE(info->kinds[lldb::eRegisterKindEHFrame], LLDB_INVALID_REGNUM); |
| EXPECT_NE(info->kinds[lldb::eRegisterKindDWARF], LLDB_INVALID_REGNUM); |
| } |
| // Verify generic register are set correctly |
| if (name == "r0") { |
| EXPECT_EQ(info->kinds[lldb::eRegisterKindGeneric], |
| (uint32_t)LLDB_REGNUM_GENERIC_ARG1); |
| } else if (name == "r1") { |
| EXPECT_EQ(info->kinds[lldb::eRegisterKindGeneric], |
| (uint32_t)LLDB_REGNUM_GENERIC_ARG2); |
| } else if (name == "r2") { |
| EXPECT_EQ(info->kinds[lldb::eRegisterKindGeneric], |
| (uint32_t)LLDB_REGNUM_GENERIC_ARG3); |
| } else if (name == "r3") { |
| EXPECT_EQ(info->kinds[lldb::eRegisterKindGeneric], |
| (uint32_t)LLDB_REGNUM_GENERIC_ARG4); |
| } else if (name == "sp") { |
| EXPECT_EQ(info->kinds[lldb::eRegisterKindGeneric], |
| (uint32_t)LLDB_REGNUM_GENERIC_SP); |
| } else if (name == "fp") { |
| EXPECT_EQ(info->kinds[lldb::eRegisterKindGeneric], |
| (uint32_t)LLDB_REGNUM_GENERIC_FP); |
| } else if (name == "lr") { |
| EXPECT_EQ(info->kinds[lldb::eRegisterKindGeneric], |
| (uint32_t)LLDB_REGNUM_GENERIC_RA); |
| } else if (name == "pc") { |
| EXPECT_EQ(info->kinds[lldb::eRegisterKindGeneric], |
| (uint32_t)LLDB_REGNUM_GENERIC_PC); |
| } else if (name == "cpsr") { |
| EXPECT_EQ(info->kinds[lldb::eRegisterKindGeneric], |
| (uint32_t)LLDB_REGNUM_GENERIC_FLAGS); |
| } |
| } |
| |
| TEST(RegisterContextMinidump, CheckRegisterContextMinidump_ARM) { |
| size_t num_regs = RegisterContextMinidump_ARM::GetRegisterCountStatic(); |
| const lldb_private::RegisterInfo *reg_info; |
| for (size_t reg=0; reg<num_regs; ++reg) { |
| reg_info = RegisterContextMinidump_ARM::GetRegisterInfoAtIndexStatic(reg, |
| true); |
| TestARMRegInfo(reg_info); |
| reg_info = RegisterContextMinidump_ARM::GetRegisterInfoAtIndexStatic(reg, |
| false); |
| TestARMRegInfo(reg_info); |
| } |
| } |
