| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <stdint.h> |
| |
| #include <memory> |
| #include <unordered_map> |
| |
| #include <gtest/gtest.h> |
| |
| #include "DwarfCfa.h" |
| #include "DwarfLocation.h" |
| #include "DwarfMemory.h" |
| #include "DwarfStructs.h" |
| #include "Log.h" |
| |
| #include "LogFake.h" |
| #include "MemoryFake.h" |
| |
| template <typename TypeParam> |
| class DwarfCfaTest : public ::testing::Test { |
| protected: |
| void SetUp() override { |
| ResetLogs(); |
| memory_.Clear(); |
| |
| dmem_.reset(new DwarfMemory(&memory_)); |
| |
| cie_.cfa_instructions_offset = 0x1000; |
| cie_.cfa_instructions_end = 0x1030; |
| // These two values should be different to distinguish between |
| // operations that deal with code versus data. |
| cie_.code_alignment_factor = 4; |
| cie_.data_alignment_factor = 8; |
| |
| fde_.cfa_instructions_offset = 0x2000; |
| fde_.cfa_instructions_end = 0x2030; |
| fde_.pc_start = 0x2000; |
| fde_.cie = &cie_; |
| |
| cfa_.reset(new DwarfCfa<TypeParam>(dmem_.get(), &fde_)); |
| } |
| |
| MemoryFake memory_; |
| std::unique_ptr<DwarfMemory> dmem_; |
| std::unique_ptr<DwarfCfa<TypeParam>> cfa_; |
| DwarfCie cie_; |
| DwarfFde fde_; |
| }; |
| TYPED_TEST_CASE_P(DwarfCfaTest); |
| |
| // NOTE: All test class variables need to be referenced as this->. |
| |
| TYPED_TEST_P(DwarfCfaTest, cfa_illegal) { |
| for (uint8_t i = 0x17; i < 0x3f; i++) { |
| if (i == 0x2e || i == 0x2f) { |
| // Skip gnu extension ops. |
| continue; |
| } |
| this->memory_.SetMemory(0x2000, std::vector<uint8_t>{i}); |
| dwarf_loc_regs_t loc_regs; |
| |
| ASSERT_FALSE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x2000, 0x2001, &loc_regs)); |
| ASSERT_EQ(DWARF_ERROR_ILLEGAL_VALUE, this->cfa_->last_error()); |
| ASSERT_EQ(0x2001U, this->dmem_->cur_offset()); |
| |
| ASSERT_EQ("", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| } |
| } |
| |
| TYPED_TEST_P(DwarfCfaTest, cfa_nop) { |
| this->memory_.SetMemory(0x2000, std::vector<uint8_t>{0x00}); |
| dwarf_loc_regs_t loc_regs; |
| |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x2000, 0x2001, &loc_regs)); |
| ASSERT_EQ(0x2001U, this->dmem_->cur_offset()); |
| ASSERT_EQ(0U, loc_regs.size()); |
| |
| ASSERT_EQ("", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| } |
| |
| // This test needs to be examined. |
| TYPED_TEST_P(DwarfCfaTest, cfa_offset) { |
| this->memory_.SetMemory(0x2000, std::vector<uint8_t>{0x83, 0x04}); |
| dwarf_loc_regs_t loc_regs; |
| |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x2000, 0x2002, &loc_regs)); |
| ASSERT_EQ(0x2002U, this->dmem_->cur_offset()); |
| ASSERT_EQ(1U, loc_regs.size()); |
| auto location = loc_regs.find(3); |
| ASSERT_NE(loc_regs.end(), location); |
| ASSERT_EQ(DWARF_LOCATION_OFFSET, location->second.type); |
| ASSERT_EQ(32U, location->second.values[0]); |
| |
| ASSERT_EQ("", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| |
| ResetLogs(); |
| this->memory_.SetMemory(0x2100, std::vector<uint8_t>{0x83, 0x84, 0x01}); |
| loc_regs.clear(); |
| |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x2100, 0x2103, &loc_regs)); |
| ASSERT_EQ(0x2103U, this->dmem_->cur_offset()); |
| ASSERT_EQ(1U, loc_regs.size()); |
| location = loc_regs.find(3); |
| ASSERT_NE(loc_regs.end(), location); |
| ASSERT_EQ(DWARF_LOCATION_OFFSET, location->second.type); |
| ASSERT_EQ(1056U, location->second.values[0]); |
| |
| ASSERT_EQ("", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| } |
| |
| TYPED_TEST_P(DwarfCfaTest, cfa_offset_extended) { |
| this->memory_.SetMemory(0x500, std::vector<uint8_t>{0x05, 0x03, 0x02}); |
| dwarf_loc_regs_t loc_regs; |
| |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x500, 0x503, &loc_regs)); |
| ASSERT_EQ(0x503U, this->dmem_->cur_offset()); |
| ASSERT_EQ(1U, loc_regs.size()); |
| auto location = loc_regs.find(3); |
| ASSERT_NE(loc_regs.end(), location); |
| ASSERT_EQ(DWARF_LOCATION_OFFSET, location->second.type); |
| ASSERT_EQ(2U, location->second.values[0]); |
| |
| ASSERT_EQ("", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| |
| ResetLogs(); |
| loc_regs.clear(); |
| this->memory_.SetMemory(0x1500, std::vector<uint8_t>{0x05, 0x81, 0x01, 0x82, 0x12}); |
| |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x1500, 0x1505, &loc_regs)); |
| ASSERT_EQ(0x1505U, this->dmem_->cur_offset()); |
| ASSERT_EQ(1U, loc_regs.size()); |
| location = loc_regs.find(129); |
| ASSERT_NE(loc_regs.end(), location); |
| ASSERT_EQ(DWARF_LOCATION_OFFSET, location->second.type); |
| ASSERT_EQ(2306U, location->second.values[0]); |
| |
| ASSERT_EQ("", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| } |
| |
| TYPED_TEST_P(DwarfCfaTest, cfa_offset_extended_sf) { |
| this->memory_.SetMemory(0x500, std::vector<uint8_t>{0x11, 0x05, 0x10}); |
| dwarf_loc_regs_t loc_regs; |
| |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x500, 0x503, &loc_regs)); |
| ASSERT_EQ(0x503U, this->dmem_->cur_offset()); |
| ASSERT_EQ(1U, loc_regs.size()); |
| auto location = loc_regs.find(5); |
| ASSERT_NE(loc_regs.end(), location); |
| ASSERT_EQ(DWARF_LOCATION_OFFSET, location->second.type); |
| ASSERT_EQ(0x80U, location->second.values[0]); |
| |
| ASSERT_EQ("", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| |
| // Check a negative value for the offset. |
| ResetLogs(); |
| loc_regs.clear(); |
| this->memory_.SetMemory(0x1500, std::vector<uint8_t>{0x11, 0x86, 0x01, 0xff, 0x7f}); |
| |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x1500, 0x1505, &loc_regs)); |
| ASSERT_EQ(0x1505U, this->dmem_->cur_offset()); |
| ASSERT_EQ(1U, loc_regs.size()); |
| location = loc_regs.find(134); |
| ASSERT_NE(loc_regs.end(), location); |
| ASSERT_EQ(DWARF_LOCATION_OFFSET, location->second.type); |
| ASSERT_EQ(static_cast<uint64_t>(-8), location->second.values[0]); |
| |
| ASSERT_EQ("", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| } |
| |
| TYPED_TEST_P(DwarfCfaTest, cfa_restore) { |
| this->memory_.SetMemory(0x2000, std::vector<uint8_t>{0xc2}); |
| dwarf_loc_regs_t loc_regs; |
| |
| ASSERT_FALSE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x2000, 0x2001, &loc_regs)); |
| ASSERT_EQ(DWARF_ERROR_ILLEGAL_STATE, this->cfa_->last_error()); |
| ASSERT_EQ(0x2001U, this->dmem_->cur_offset()); |
| ASSERT_EQ(0U, loc_regs.size()); |
| |
| ASSERT_EQ("4 unwind restore while processing cie\n", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| |
| ResetLogs(); |
| dwarf_loc_regs_t cie_loc_regs; |
| cie_loc_regs[2] = {.type = DWARF_LOCATION_REGISTER, .values = {0, 0}}; |
| this->cfa_->set_cie_loc_regs(&cie_loc_regs); |
| this->memory_.SetMemory(0x3000, std::vector<uint8_t>{0x82, 0x04, 0xc2}); |
| |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x3000, 0x3003, &loc_regs)); |
| ASSERT_EQ(0x3003U, this->dmem_->cur_offset()); |
| ASSERT_EQ(1U, loc_regs.size()); |
| auto location = loc_regs.find(2); |
| ASSERT_NE(loc_regs.end(), location); |
| ASSERT_EQ(DWARF_LOCATION_REGISTER, location->second.type); |
| |
| ASSERT_EQ("", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| } |
| |
| TYPED_TEST_P(DwarfCfaTest, cfa_restore_extended) { |
| this->memory_.SetMemory(0x4000, std::vector<uint8_t>{0x06, 0x08}); |
| dwarf_loc_regs_t loc_regs; |
| |
| ASSERT_FALSE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x4000, 0x4002, &loc_regs)); |
| ASSERT_EQ(DWARF_ERROR_ILLEGAL_STATE, this->cfa_->last_error()); |
| ASSERT_EQ(0x4002U, this->dmem_->cur_offset()); |
| ASSERT_EQ(0U, loc_regs.size()); |
| |
| ASSERT_EQ("4 unwind restore while processing cie\n", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| |
| ResetLogs(); |
| loc_regs.clear(); |
| this->memory_.SetMemory(0x5000, std::vector<uint8_t>{0x05, 0x82, 0x02, 0x04, 0x06, 0x82, 0x02}); |
| dwarf_loc_regs_t cie_loc_regs; |
| cie_loc_regs[258] = {.type = DWARF_LOCATION_REGISTER, .values = {0, 0}}; |
| this->cfa_->set_cie_loc_regs(&cie_loc_regs); |
| |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x5000, 0x5007, &loc_regs)); |
| ASSERT_EQ(0x5007U, this->dmem_->cur_offset()); |
| ASSERT_EQ(1U, loc_regs.size()); |
| auto location = loc_regs.find(258); |
| ASSERT_NE(loc_regs.end(), location); |
| ASSERT_EQ(DWARF_LOCATION_REGISTER, location->second.type); |
| |
| ASSERT_EQ("", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| } |
| |
| TYPED_TEST_P(DwarfCfaTest, cfa_set_loc) { |
| uint8_t buffer[1 + sizeof(TypeParam)]; |
| buffer[0] = 0x1; |
| TypeParam address; |
| std::string raw_data("Raw Data: 0x01 "); |
| std::string address_str; |
| if (sizeof(TypeParam) == 4) { |
| address = 0x81234578U; |
| address_str = "0x81234578"; |
| raw_data += "0x78 0x45 0x23 0x81"; |
| } else { |
| address = 0x8123456712345678ULL; |
| address_str = "0x8123456712345678"; |
| raw_data += "0x78 0x56 0x34 0x12 0x67 0x45 0x23 0x81"; |
| } |
| memcpy(&buffer[1], &address, sizeof(address)); |
| |
| this->memory_.SetMemory(0x50, buffer, sizeof(buffer)); |
| ResetLogs(); |
| dwarf_loc_regs_t loc_regs; |
| ASSERT_TRUE( |
| this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x50, 0x51 + sizeof(TypeParam), &loc_regs)); |
| ASSERT_EQ(0x51 + sizeof(TypeParam), this->dmem_->cur_offset()); |
| ASSERT_EQ(address, this->cfa_->cur_pc()); |
| ASSERT_EQ(0U, loc_regs.size()); |
| |
| ASSERT_EQ("", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| |
| // Check for a set going back. |
| ResetLogs(); |
| loc_regs.clear(); |
| this->fde_.pc_start = address + 0x10; |
| ASSERT_TRUE( |
| this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x50, 0x51 + sizeof(TypeParam), &loc_regs)); |
| ASSERT_EQ(0x51 + sizeof(TypeParam), this->dmem_->cur_offset()); |
| ASSERT_EQ(address, this->cfa_->cur_pc()); |
| ASSERT_EQ(0U, loc_regs.size()); |
| |
| std::string cur_address_str(address_str); |
| cur_address_str[cur_address_str.size() - 2] = '8'; |
| std::string expected = "4 unwind Warning: PC is moving backwards: old " + cur_address_str + |
| " new " + address_str + "\n"; |
| ASSERT_EQ(expected, GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| } |
| |
| TYPED_TEST_P(DwarfCfaTest, cfa_advance_loc1) { |
| this->memory_.SetMemory(0x200, std::vector<uint8_t>{0x02, 0x04}); |
| dwarf_loc_regs_t loc_regs; |
| |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x200, 0x202, &loc_regs)); |
| ASSERT_EQ(0x202U, this->dmem_->cur_offset()); |
| ASSERT_EQ(this->fde_.pc_start + 0x10, this->cfa_->cur_pc()); |
| ASSERT_EQ(0U, loc_regs.size()); |
| |
| ASSERT_EQ("", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| } |
| |
| TYPED_TEST_P(DwarfCfaTest, cfa_advance_loc2) { |
| this->memory_.SetMemory(0x600, std::vector<uint8_t>{0x03, 0x04, 0x03}); |
| dwarf_loc_regs_t loc_regs; |
| |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x600, 0x603, &loc_regs)); |
| ASSERT_EQ(0x603U, this->dmem_->cur_offset()); |
| ASSERT_EQ(this->fde_.pc_start + 0xc10U, this->cfa_->cur_pc()); |
| ASSERT_EQ(0U, loc_regs.size()); |
| |
| ASSERT_EQ("", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| } |
| |
| TYPED_TEST_P(DwarfCfaTest, cfa_advance_loc4) { |
| this->memory_.SetMemory(0x500, std::vector<uint8_t>{0x04, 0x04, 0x03, 0x02, 0x01}); |
| dwarf_loc_regs_t loc_regs; |
| |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x500, 0x505, &loc_regs)); |
| ASSERT_EQ(0x505U, this->dmem_->cur_offset()); |
| ASSERT_EQ(this->fde_.pc_start + 0x4080c10, this->cfa_->cur_pc()); |
| ASSERT_EQ(0U, loc_regs.size()); |
| |
| ASSERT_EQ("", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| } |
| |
| TYPED_TEST_P(DwarfCfaTest, cfa_undefined) { |
| this->memory_.SetMemory(0xa00, std::vector<uint8_t>{0x07, 0x09}); |
| dwarf_loc_regs_t loc_regs; |
| |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0xa00, 0xa02, &loc_regs)); |
| ASSERT_EQ(0xa02U, this->dmem_->cur_offset()); |
| ASSERT_EQ(1U, loc_regs.size()); |
| auto location = loc_regs.find(9); |
| ASSERT_NE(loc_regs.end(), location); |
| ASSERT_EQ(DWARF_LOCATION_UNDEFINED, location->second.type); |
| |
| ASSERT_EQ("", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| |
| ResetLogs(); |
| loc_regs.clear(); |
| this->memory_.SetMemory(0x1a00, std::vector<uint8_t>{0x07, 0x81, 0x01}); |
| |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x1a00, 0x1a03, &loc_regs)); |
| ASSERT_EQ(0x1a03U, this->dmem_->cur_offset()); |
| ASSERT_EQ(1U, loc_regs.size()); |
| location = loc_regs.find(129); |
| ASSERT_NE(loc_regs.end(), location); |
| ASSERT_EQ(DWARF_LOCATION_UNDEFINED, location->second.type); |
| |
| ASSERT_EQ("", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| } |
| |
| TYPED_TEST_P(DwarfCfaTest, cfa_same) { |
| this->memory_.SetMemory(0x100, std::vector<uint8_t>{0x08, 0x7f}); |
| dwarf_loc_regs_t loc_regs; |
| |
| loc_regs[127] = {.type = DWARF_LOCATION_REGISTER, .values = {0, 0}}; |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x100, 0x102, &loc_regs)); |
| ASSERT_EQ(0x102U, this->dmem_->cur_offset()); |
| ASSERT_EQ(0U, loc_regs.size()); |
| ASSERT_EQ(0U, loc_regs.count(127)); |
| |
| ASSERT_EQ("", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| |
| ResetLogs(); |
| loc_regs.clear(); |
| this->memory_.SetMemory(0x2100, std::vector<uint8_t>{0x08, 0xff, 0x01}); |
| |
| loc_regs[255] = {.type = DWARF_LOCATION_REGISTER, .values = {0, 0}}; |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x2100, 0x2103, &loc_regs)); |
| ASSERT_EQ(0x2103U, this->dmem_->cur_offset()); |
| ASSERT_EQ(0U, loc_regs.size()); |
| ASSERT_EQ(0U, loc_regs.count(255)); |
| |
| ASSERT_EQ("", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| } |
| |
| TYPED_TEST_P(DwarfCfaTest, cfa_register) { |
| this->memory_.SetMemory(0x300, std::vector<uint8_t>{0x09, 0x02, 0x01}); |
| dwarf_loc_regs_t loc_regs; |
| |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x300, 0x303, &loc_regs)); |
| ASSERT_EQ(0x303U, this->dmem_->cur_offset()); |
| ASSERT_EQ(1U, loc_regs.size()); |
| auto location = loc_regs.find(2); |
| ASSERT_NE(loc_regs.end(), location); |
| ASSERT_EQ(DWARF_LOCATION_REGISTER, location->second.type); |
| ASSERT_EQ(1U, location->second.values[0]); |
| |
| ASSERT_EQ("", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| |
| ResetLogs(); |
| loc_regs.clear(); |
| this->memory_.SetMemory(0x4300, std::vector<uint8_t>{0x09, 0xff, 0x01, 0xff, 0x03}); |
| |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x4300, 0x4305, &loc_regs)); |
| ASSERT_EQ(0x4305U, this->dmem_->cur_offset()); |
| ASSERT_EQ(1U, loc_regs.size()); |
| location = loc_regs.find(255); |
| ASSERT_NE(loc_regs.end(), location); |
| ASSERT_EQ(DWARF_LOCATION_REGISTER, location->second.type); |
| ASSERT_EQ(511U, location->second.values[0]); |
| |
| ASSERT_EQ("", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| } |
| |
| TYPED_TEST_P(DwarfCfaTest, cfa_state) { |
| this->memory_.SetMemory(0x300, std::vector<uint8_t>{0x0a}); |
| dwarf_loc_regs_t loc_regs; |
| |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x300, 0x301, &loc_regs)); |
| ASSERT_EQ(0x301U, this->dmem_->cur_offset()); |
| ASSERT_EQ(0U, loc_regs.size()); |
| |
| ASSERT_EQ("", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| |
| ResetLogs(); |
| this->memory_.SetMemory(0x4300, std::vector<uint8_t>{0x0b}); |
| |
| loc_regs.clear(); |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x4300, 0x4301, &loc_regs)); |
| ASSERT_EQ(0x4301U, this->dmem_->cur_offset()); |
| ASSERT_EQ(0U, loc_regs.size()); |
| |
| ASSERT_EQ("", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| |
| ResetLogs(); |
| this->memory_.SetMemory(0x2000, std::vector<uint8_t>{0x85, 0x02, 0x0a, 0x86, 0x04, 0x0b}); |
| |
| loc_regs.clear(); |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x2000, 0x2005, &loc_regs)); |
| ASSERT_EQ(0x2005U, this->dmem_->cur_offset()); |
| ASSERT_EQ(2U, loc_regs.size()); |
| ASSERT_NE(loc_regs.end(), loc_regs.find(5)); |
| ASSERT_NE(loc_regs.end(), loc_regs.find(6)); |
| |
| loc_regs.clear(); |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x2000, 0x2006, &loc_regs)); |
| ASSERT_EQ(0x2006U, this->dmem_->cur_offset()); |
| ASSERT_EQ(1U, loc_regs.size()); |
| ASSERT_NE(loc_regs.end(), loc_regs.find(5)); |
| |
| ResetLogs(); |
| this->memory_.SetMemory( |
| 0x6000, std::vector<uint8_t>{0x0a, 0x85, 0x02, 0x0a, 0x86, 0x04, 0x0a, 0x87, 0x01, 0x0a, 0x89, |
| 0x05, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b}); |
| |
| loc_regs.clear(); |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x6000, 0x600c, &loc_regs)); |
| ASSERT_EQ(0x600cU, this->dmem_->cur_offset()); |
| ASSERT_EQ(4U, loc_regs.size()); |
| ASSERT_NE(loc_regs.end(), loc_regs.find(5)); |
| ASSERT_NE(loc_regs.end(), loc_regs.find(6)); |
| ASSERT_NE(loc_regs.end(), loc_regs.find(7)); |
| ASSERT_NE(loc_regs.end(), loc_regs.find(9)); |
| |
| loc_regs.clear(); |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x6000, 0x600d, &loc_regs)); |
| ASSERT_EQ(0x600dU, this->dmem_->cur_offset()); |
| ASSERT_EQ(3U, loc_regs.size()); |
| ASSERT_NE(loc_regs.end(), loc_regs.find(5)); |
| ASSERT_NE(loc_regs.end(), loc_regs.find(6)); |
| ASSERT_NE(loc_regs.end(), loc_regs.find(7)); |
| |
| loc_regs.clear(); |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x6000, 0x600e, &loc_regs)); |
| ASSERT_EQ(0x600eU, this->dmem_->cur_offset()); |
| ASSERT_EQ(2U, loc_regs.size()); |
| ASSERT_NE(loc_regs.end(), loc_regs.find(5)); |
| ASSERT_NE(loc_regs.end(), loc_regs.find(6)); |
| |
| loc_regs.clear(); |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x6000, 0x600f, &loc_regs)); |
| ASSERT_EQ(0x600fU, this->dmem_->cur_offset()); |
| ASSERT_EQ(1U, loc_regs.size()); |
| ASSERT_NE(loc_regs.end(), loc_regs.find(5)); |
| |
| loc_regs.clear(); |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x6000, 0x6010, &loc_regs)); |
| ASSERT_EQ(0x6010U, this->dmem_->cur_offset()); |
| ASSERT_EQ(0U, loc_regs.size()); |
| |
| loc_regs.clear(); |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x6000, 0x6011, &loc_regs)); |
| ASSERT_EQ(0x6011U, this->dmem_->cur_offset()); |
| ASSERT_EQ(0U, loc_regs.size()); |
| } |
| |
| // This test verifies that the cfa offset is saved and restored properly. |
| // Even though the spec is not clear about whether the offset is also |
| // restored, the gcc unwinder does, and libunwind does too. |
| TYPED_TEST_P(DwarfCfaTest, cfa_state_cfa_offset_restore) { |
| this->memory_.SetMemory(0x3000, std::vector<uint8_t>{0x0a, 0x0e, 0x40, 0x0b}); |
| dwarf_loc_regs_t loc_regs; |
| loc_regs[CFA_REG] = {.type = DWARF_LOCATION_REGISTER, .values = {5, 100}}; |
| |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x3000, 0x3004, &loc_regs)); |
| ASSERT_EQ(0x3004U, this->dmem_->cur_offset()); |
| ASSERT_EQ(1U, loc_regs.size()); |
| ASSERT_EQ(DWARF_LOCATION_REGISTER, loc_regs[CFA_REG].type); |
| ASSERT_EQ(5U, loc_regs[CFA_REG].values[0]); |
| ASSERT_EQ(100U, loc_regs[CFA_REG].values[1]); |
| |
| ASSERT_EQ("", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| } |
| |
| TYPED_TEST_P(DwarfCfaTest, cfa_def_cfa) { |
| this->memory_.SetMemory(0x100, std::vector<uint8_t>{0x0c, 0x7f, 0x74}); |
| dwarf_loc_regs_t loc_regs; |
| |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x100, 0x103, &loc_regs)); |
| ASSERT_EQ(0x103U, this->dmem_->cur_offset()); |
| ASSERT_EQ(1U, loc_regs.size()); |
| ASSERT_EQ(DWARF_LOCATION_REGISTER, loc_regs[CFA_REG].type); |
| ASSERT_EQ(0x7fU, loc_regs[CFA_REG].values[0]); |
| ASSERT_EQ(0x74U, loc_regs[CFA_REG].values[1]); |
| |
| ASSERT_EQ("", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| |
| ResetLogs(); |
| loc_regs.clear(); |
| this->memory_.SetMemory(0x200, std::vector<uint8_t>{0x0c, 0xff, 0x02, 0xf4, 0x04}); |
| |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x200, 0x205, &loc_regs)); |
| ASSERT_EQ(0x205U, this->dmem_->cur_offset()); |
| ASSERT_EQ(1U, loc_regs.size()); |
| ASSERT_EQ(DWARF_LOCATION_REGISTER, loc_regs[CFA_REG].type); |
| ASSERT_EQ(0x17fU, loc_regs[CFA_REG].values[0]); |
| ASSERT_EQ(0x274U, loc_regs[CFA_REG].values[1]); |
| |
| ASSERT_EQ("", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| } |
| |
| TYPED_TEST_P(DwarfCfaTest, cfa_def_cfa_sf) { |
| this->memory_.SetMemory(0x100, std::vector<uint8_t>{0x12, 0x30, 0x25}); |
| dwarf_loc_regs_t loc_regs; |
| |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x100, 0x103, &loc_regs)); |
| ASSERT_EQ(0x103U, this->dmem_->cur_offset()); |
| ASSERT_EQ(1U, loc_regs.size()); |
| ASSERT_EQ(DWARF_LOCATION_REGISTER, loc_regs[CFA_REG].type); |
| ASSERT_EQ(0x30U, loc_regs[CFA_REG].values[0]); |
| ASSERT_EQ(0x128U, loc_regs[CFA_REG].values[1]); |
| |
| ASSERT_EQ("", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| |
| // Test a negative value. |
| ResetLogs(); |
| loc_regs.clear(); |
| this->memory_.SetMemory(0x200, std::vector<uint8_t>{0x12, 0xa3, 0x01, 0xfa, 0x7f}); |
| |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x200, 0x205, &loc_regs)); |
| ASSERT_EQ(0x205U, this->dmem_->cur_offset()); |
| ASSERT_EQ(1U, loc_regs.size()); |
| ASSERT_EQ(DWARF_LOCATION_REGISTER, loc_regs[CFA_REG].type); |
| ASSERT_EQ(0xa3U, loc_regs[CFA_REG].values[0]); |
| ASSERT_EQ(static_cast<uint64_t>(-48), loc_regs[CFA_REG].values[1]); |
| |
| ASSERT_EQ("", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| } |
| |
| TYPED_TEST_P(DwarfCfaTest, cfa_def_cfa_register) { |
| this->memory_.SetMemory(0x100, std::vector<uint8_t>{0x0d, 0x72}); |
| dwarf_loc_regs_t loc_regs; |
| |
| // This fails because the cfa is not defined as a register. |
| ASSERT_FALSE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x100, 0x102, &loc_regs)); |
| ASSERT_EQ(0U, loc_regs.size()); |
| ASSERT_EQ(DWARF_ERROR_ILLEGAL_STATE, this->cfa_->last_error()); |
| |
| ASSERT_EQ("4 unwind Attempt to set new register, but cfa is not already set to a register.\n", |
| GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| |
| ResetLogs(); |
| loc_regs.clear(); |
| loc_regs[CFA_REG] = {.type = DWARF_LOCATION_REGISTER, .values = {3, 20}}; |
| |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x100, 0x102, &loc_regs)); |
| ASSERT_EQ(0x102U, this->dmem_->cur_offset()); |
| ASSERT_EQ(1U, loc_regs.size()); |
| ASSERT_EQ(DWARF_LOCATION_REGISTER, loc_regs[CFA_REG].type); |
| ASSERT_EQ(0x72U, loc_regs[CFA_REG].values[0]); |
| ASSERT_EQ(20U, loc_regs[CFA_REG].values[1]); |
| |
| ASSERT_EQ("", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| |
| ResetLogs(); |
| this->memory_.SetMemory(0x200, std::vector<uint8_t>{0x0d, 0xf9, 0x20}); |
| loc_regs.clear(); |
| loc_regs[CFA_REG] = {.type = DWARF_LOCATION_REGISTER, .values = {3, 60}}; |
| |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x200, 0x203, &loc_regs)); |
| ASSERT_EQ(0x203U, this->dmem_->cur_offset()); |
| ASSERT_EQ(1U, loc_regs.size()); |
| ASSERT_EQ(DWARF_LOCATION_REGISTER, loc_regs[CFA_REG].type); |
| ASSERT_EQ(0x1079U, loc_regs[CFA_REG].values[0]); |
| ASSERT_EQ(60U, loc_regs[CFA_REG].values[1]); |
| |
| ASSERT_EQ("", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| } |
| |
| TYPED_TEST_P(DwarfCfaTest, cfa_def_cfa_offset) { |
| this->memory_.SetMemory(0x100, std::vector<uint8_t>{0x0e, 0x59}); |
| dwarf_loc_regs_t loc_regs; |
| |
| // This fails because the cfa is not defined as a register. |
| ASSERT_FALSE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x100, 0x102, &loc_regs)); |
| ASSERT_EQ(0U, loc_regs.size()); |
| ASSERT_EQ(DWARF_ERROR_ILLEGAL_STATE, this->cfa_->last_error()); |
| |
| ASSERT_EQ("4 unwind Attempt to set offset, but cfa is not set to a register.\n", |
| GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| |
| ResetLogs(); |
| loc_regs.clear(); |
| loc_regs[CFA_REG] = {.type = DWARF_LOCATION_REGISTER, .values = {3}}; |
| |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x100, 0x102, &loc_regs)); |
| ASSERT_EQ(0x102U, this->dmem_->cur_offset()); |
| ASSERT_EQ(1U, loc_regs.size()); |
| ASSERT_EQ(DWARF_LOCATION_REGISTER, loc_regs[CFA_REG].type); |
| ASSERT_EQ(3U, loc_regs[CFA_REG].values[0]); |
| ASSERT_EQ(0x59U, loc_regs[CFA_REG].values[1]); |
| |
| ASSERT_EQ("", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| |
| ResetLogs(); |
| this->memory_.SetMemory(0x200, std::vector<uint8_t>{0x0e, 0xd4, 0x0a}); |
| loc_regs.clear(); |
| loc_regs[CFA_REG] = {.type = DWARF_LOCATION_REGISTER, .values = {3}}; |
| |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x200, 0x203, &loc_regs)); |
| ASSERT_EQ(0x203U, this->dmem_->cur_offset()); |
| ASSERT_EQ(1U, loc_regs.size()); |
| ASSERT_EQ(DWARF_LOCATION_REGISTER, loc_regs[CFA_REG].type); |
| ASSERT_EQ(3U, loc_regs[CFA_REG].values[0]); |
| ASSERT_EQ(0x554U, loc_regs[CFA_REG].values[1]); |
| |
| ASSERT_EQ("", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| } |
| |
| TYPED_TEST_P(DwarfCfaTest, cfa_def_cfa_offset_sf) { |
| this->memory_.SetMemory(0x100, std::vector<uint8_t>{0x13, 0x23}); |
| dwarf_loc_regs_t loc_regs; |
| |
| // This fails because the cfa is not defined as a register. |
| ASSERT_FALSE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x100, 0x102, &loc_regs)); |
| ASSERT_EQ(DWARF_ERROR_ILLEGAL_STATE, this->cfa_->last_error()); |
| |
| ASSERT_EQ("4 unwind Attempt to set offset, but cfa is not set to a register.\n", |
| GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| |
| ResetLogs(); |
| loc_regs.clear(); |
| loc_regs[CFA_REG] = {.type = DWARF_LOCATION_REGISTER, .values = {3}}; |
| |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x100, 0x102, &loc_regs)); |
| ASSERT_EQ(0x102U, this->dmem_->cur_offset()); |
| ASSERT_EQ(1U, loc_regs.size()); |
| ASSERT_EQ(DWARF_LOCATION_REGISTER, loc_regs[CFA_REG].type); |
| ASSERT_EQ(3U, loc_regs[CFA_REG].values[0]); |
| ASSERT_EQ(0x118U, loc_regs[CFA_REG].values[1]); |
| |
| ASSERT_EQ("", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| |
| // Negative offset. |
| ResetLogs(); |
| this->memory_.SetMemory(0x200, std::vector<uint8_t>{0x13, 0xf6, 0x7f}); |
| loc_regs.clear(); |
| loc_regs[CFA_REG] = {.type = DWARF_LOCATION_REGISTER, .values = {3}}; |
| |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x200, 0x203, &loc_regs)); |
| ASSERT_EQ(0x203U, this->dmem_->cur_offset()); |
| ASSERT_EQ(1U, loc_regs.size()); |
| ASSERT_EQ(DWARF_LOCATION_REGISTER, loc_regs[CFA_REG].type); |
| ASSERT_EQ(3U, loc_regs[CFA_REG].values[0]); |
| ASSERT_EQ(static_cast<TypeParam>(-80), static_cast<TypeParam>(loc_regs[CFA_REG].values[1])); |
| |
| ASSERT_EQ("", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| } |
| |
| TYPED_TEST_P(DwarfCfaTest, cfa_def_cfa_expression) { |
| this->memory_.SetMemory(0x100, std::vector<uint8_t>{0x0f, 0x04, 0x01, 0x02, 0x03, 0x04}); |
| dwarf_loc_regs_t loc_regs; |
| |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x100, 0x106, &loc_regs)); |
| ASSERT_EQ(0x106U, this->dmem_->cur_offset()); |
| ASSERT_EQ(1U, loc_regs.size()); |
| |
| ASSERT_EQ("", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| |
| ResetLogs(); |
| std::vector<uint8_t> ops{0x0f, 0x81, 0x01}; |
| for (uint8_t i = 3; i < 132; i++) { |
| ops.push_back(i - 1); |
| } |
| this->memory_.SetMemory(0x200, ops); |
| loc_regs.clear(); |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x200, 0x284, &loc_regs)); |
| ASSERT_EQ(0x284U, this->dmem_->cur_offset()); |
| ASSERT_EQ(1U, loc_regs.size()); |
| |
| ASSERT_EQ("", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| } |
| |
| TYPED_TEST_P(DwarfCfaTest, cfa_expression) { |
| this->memory_.SetMemory(0x100, std::vector<uint8_t>{0x10, 0x04, 0x02, 0x40, 0x20}); |
| dwarf_loc_regs_t loc_regs; |
| |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x100, 0x105, &loc_regs)); |
| ASSERT_EQ(0x105U, this->dmem_->cur_offset()); |
| ASSERT_EQ(1U, loc_regs.size()); |
| auto location = loc_regs.find(4); |
| ASSERT_NE(loc_regs.end(), location); |
| ASSERT_EQ(DWARF_LOCATION_EXPRESSION, location->second.type); |
| ASSERT_EQ(2U, location->second.values[0]); |
| ASSERT_EQ(0x105U, location->second.values[1]); |
| |
| ASSERT_EQ("", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| |
| ResetLogs(); |
| std::vector<uint8_t> ops{0x10, 0xff, 0x01, 0x82, 0x01}; |
| for (uint8_t i = 5; i < 135; i++) { |
| ops.push_back(i - 4); |
| } |
| |
| this->memory_.SetMemory(0x200, ops); |
| loc_regs.clear(); |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x200, 0x287, &loc_regs)); |
| ASSERT_EQ(0x287U, this->dmem_->cur_offset()); |
| ASSERT_EQ(1U, loc_regs.size()); |
| location = loc_regs.find(255); |
| ASSERT_NE(loc_regs.end(), location); |
| ASSERT_EQ(DWARF_LOCATION_EXPRESSION, location->second.type); |
| ASSERT_EQ(130U, location->second.values[0]); |
| ASSERT_EQ(0x287U, location->second.values[1]); |
| |
| ASSERT_EQ("", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| } |
| |
| TYPED_TEST_P(DwarfCfaTest, cfa_val_offset) { |
| this->memory_.SetMemory(0x100, std::vector<uint8_t>{0x14, 0x45, 0x54}); |
| dwarf_loc_regs_t loc_regs; |
| |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x100, 0x103, &loc_regs)); |
| ASSERT_EQ(0x103U, this->dmem_->cur_offset()); |
| ASSERT_EQ(1U, loc_regs.size()); |
| auto location = loc_regs.find(69); |
| ASSERT_NE(loc_regs.end(), location); |
| ASSERT_EQ(DWARF_LOCATION_VAL_OFFSET, location->second.type); |
| ASSERT_EQ(0x2a0U, location->second.values[0]); |
| |
| ASSERT_EQ("", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| |
| ResetLogs(); |
| loc_regs.clear(); |
| this->memory_.SetMemory(0x400, std::vector<uint8_t>{0x14, 0xa2, 0x02, 0xb4, 0x05}); |
| |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x400, 0x405, &loc_regs)); |
| ASSERT_EQ(0x405U, this->dmem_->cur_offset()); |
| ASSERT_EQ(1U, loc_regs.size()); |
| location = loc_regs.find(290); |
| ASSERT_NE(loc_regs.end(), location); |
| ASSERT_EQ(DWARF_LOCATION_VAL_OFFSET, location->second.type); |
| ASSERT_EQ(0x15a0U, location->second.values[0]); |
| |
| ASSERT_EQ("", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| } |
| |
| TYPED_TEST_P(DwarfCfaTest, cfa_val_offset_sf) { |
| this->memory_.SetMemory(0x100, std::vector<uint8_t>{0x15, 0x56, 0x12}); |
| dwarf_loc_regs_t loc_regs; |
| |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x100, 0x103, &loc_regs)); |
| ASSERT_EQ(0x103U, this->dmem_->cur_offset()); |
| ASSERT_EQ(1U, loc_regs.size()); |
| auto location = loc_regs.find(86); |
| ASSERT_NE(loc_regs.end(), location); |
| ASSERT_EQ(DWARF_LOCATION_VAL_OFFSET, location->second.type); |
| ASSERT_EQ(0x90U, location->second.values[0]); |
| |
| ASSERT_EQ("", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| |
| // Negative value. |
| ResetLogs(); |
| loc_regs.clear(); |
| this->memory_.SetMemory(0xa00, std::vector<uint8_t>{0x15, 0xff, 0x01, 0xc0, 0x7f}); |
| |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0xa00, 0xa05, &loc_regs)); |
| ASSERT_EQ(0xa05U, this->dmem_->cur_offset()); |
| ASSERT_EQ(1U, loc_regs.size()); |
| location = loc_regs.find(255); |
| ASSERT_NE(loc_regs.end(), location); |
| ASSERT_EQ(DWARF_LOCATION_VAL_OFFSET, location->second.type); |
| ASSERT_EQ(static_cast<uint64_t>(-512), location->second.values[0]); |
| |
| ASSERT_EQ("", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| } |
| |
| TYPED_TEST_P(DwarfCfaTest, cfa_val_expression) { |
| this->memory_.SetMemory(0x100, std::vector<uint8_t>{0x16, 0x05, 0x02, 0x10, 0x20}); |
| dwarf_loc_regs_t loc_regs; |
| |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x100, 0x105, &loc_regs)); |
| ASSERT_EQ(0x105U, this->dmem_->cur_offset()); |
| ASSERT_EQ(1U, loc_regs.size()); |
| auto location = loc_regs.find(5); |
| ASSERT_NE(loc_regs.end(), location); |
| ASSERT_EQ(DWARF_LOCATION_VAL_EXPRESSION, location->second.type); |
| ASSERT_EQ(2U, location->second.values[0]); |
| ASSERT_EQ(0x105U, location->second.values[1]); |
| |
| ASSERT_EQ("", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| |
| ResetLogs(); |
| std::vector<uint8_t> ops{0x16, 0x83, 0x10, 0xa8, 0x01}; |
| for (uint8_t i = 0; i < 168; i++) { |
| ops.push_back(i); |
| } |
| |
| this->memory_.SetMemory(0xa00, ops); |
| loc_regs.clear(); |
| |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0xa00, 0xaad, &loc_regs)); |
| ASSERT_EQ(0xaadU, this->dmem_->cur_offset()); |
| ASSERT_EQ(1U, loc_regs.size()); |
| location = loc_regs.find(2051); |
| ASSERT_NE(loc_regs.end(), location); |
| ASSERT_EQ(DWARF_LOCATION_VAL_EXPRESSION, location->second.type); |
| ASSERT_EQ(168U, location->second.values[0]); |
| ASSERT_EQ(0xaadU, location->second.values[1]); |
| |
| ASSERT_EQ("", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| } |
| |
| TYPED_TEST_P(DwarfCfaTest, cfa_gnu_args_size) { |
| this->memory_.SetMemory(0x2000, std::vector<uint8_t>{0x2e, 0x04}); |
| dwarf_loc_regs_t loc_regs; |
| |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x2000, 0x2002, &loc_regs)); |
| ASSERT_EQ(0x2002U, this->dmem_->cur_offset()); |
| ASSERT_EQ(0U, loc_regs.size()); |
| |
| ASSERT_EQ("", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| |
| ResetLogs(); |
| loc_regs.clear(); |
| this->memory_.SetMemory(0x5000, std::vector<uint8_t>{0x2e, 0xa4, 0x80, 0x04}); |
| |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x5000, 0x5004, &loc_regs)); |
| ASSERT_EQ(0x5004U, this->dmem_->cur_offset()); |
| ASSERT_EQ(0U, loc_regs.size()); |
| |
| ASSERT_EQ("", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| } |
| |
| TYPED_TEST_P(DwarfCfaTest, cfa_gnu_negative_offset_extended) { |
| this->memory_.SetMemory(0x500, std::vector<uint8_t>{0x2f, 0x08, 0x10}); |
| dwarf_loc_regs_t loc_regs; |
| |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x500, 0x503, &loc_regs)); |
| ASSERT_EQ(0x503U, this->dmem_->cur_offset()); |
| ASSERT_EQ(1U, loc_regs.size()); |
| auto location = loc_regs.find(8); |
| ASSERT_NE(loc_regs.end(), location); |
| ASSERT_EQ(DWARF_LOCATION_OFFSET, location->second.type); |
| ASSERT_EQ(static_cast<uint64_t>(-16), location->second.values[0]); |
| |
| ASSERT_EQ("", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| |
| ResetLogs(); |
| loc_regs.clear(); |
| this->memory_.SetMemory(0x1500, std::vector<uint8_t>{0x2f, 0x81, 0x02, 0xff, 0x01}); |
| |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x1500, 0x1505, &loc_regs)); |
| ASSERT_EQ(0x1505U, this->dmem_->cur_offset()); |
| ASSERT_EQ(1U, loc_regs.size()); |
| location = loc_regs.find(257); |
| ASSERT_NE(loc_regs.end(), location); |
| ASSERT_EQ(DWARF_LOCATION_OFFSET, location->second.type); |
| ASSERT_EQ(static_cast<uint64_t>(-255), location->second.values[0]); |
| |
| ASSERT_EQ("", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| } |
| |
| TYPED_TEST_P(DwarfCfaTest, cfa_register_override) { |
| this->memory_.SetMemory(0x300, std::vector<uint8_t>{0x09, 0x02, 0x01, 0x09, 0x02, 0x04}); |
| dwarf_loc_regs_t loc_regs; |
| |
| ASSERT_TRUE(this->cfa_->GetLocationInfo(this->fde_.pc_start, 0x300, 0x306, &loc_regs)); |
| ASSERT_EQ(0x306U, this->dmem_->cur_offset()); |
| ASSERT_EQ(1U, loc_regs.size()); |
| auto location = loc_regs.find(2); |
| ASSERT_NE(loc_regs.end(), location); |
| ASSERT_EQ(DWARF_LOCATION_REGISTER, location->second.type); |
| ASSERT_EQ(4U, location->second.values[0]); |
| |
| ASSERT_EQ("", GetFakeLogPrint()); |
| ASSERT_EQ("", GetFakeLogBuf()); |
| } |
| |
| REGISTER_TYPED_TEST_CASE_P(DwarfCfaTest, cfa_illegal, cfa_nop, cfa_offset, cfa_offset_extended, |
| cfa_offset_extended_sf, cfa_restore, cfa_restore_extended, cfa_set_loc, |
| cfa_advance_loc1, cfa_advance_loc2, cfa_advance_loc4, cfa_undefined, |
| cfa_same, cfa_register, cfa_state, cfa_state_cfa_offset_restore, |
| cfa_def_cfa, cfa_def_cfa_sf, cfa_def_cfa_register, cfa_def_cfa_offset, |
| cfa_def_cfa_offset_sf, cfa_def_cfa_expression, cfa_expression, |
| cfa_val_offset, cfa_val_offset_sf, cfa_val_expression, cfa_gnu_args_size, |
| cfa_gnu_negative_offset_extended, cfa_register_override); |
| |
| typedef ::testing::Types<uint32_t, uint64_t> DwarfCfaTestTypes; |
| INSTANTIATE_TYPED_TEST_CASE_P(, DwarfCfaTest, DwarfCfaTestTypes); |