/* * 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 #include #include #include #include "DwarfDebugFrame.h" #include "DwarfEncoding.h" #include "LogFake.h" #include "utils/MemoryFake.h" namespace unwindstack { template class DwarfDebugFrameTest : public ::testing::Test { protected: void SetUp() override { memory_.Clear(); debug_frame_ = new DwarfDebugFrame(&memory_); ResetLogs(); } void TearDown() override { delete debug_frame_; } MemoryFake memory_; DwarfDebugFrame* debug_frame_ = nullptr; }; TYPED_TEST_SUITE_P(DwarfDebugFrameTest); // NOTE: All test class variables need to be referenced as this->. static void SetCie32(MemoryFake* memory, uint64_t offset, uint32_t length, std::vector data) { memory->SetData32(offset, length); offset += 4; // Indicates this is a cie. memory->SetData32(offset, 0xffffffff); offset += 4; memory->SetMemory(offset, data); } static void SetCie64(MemoryFake* memory, uint64_t offset, uint64_t length, std::vector data) { memory->SetData32(offset, 0xffffffff); offset += 4; memory->SetData64(offset, length); offset += 8; // Indicates this is a cie. memory->SetData64(offset, 0xffffffffffffffffUL); offset += 8; memory->SetMemory(offset, data); } static void SetFde32(MemoryFake* memory, uint64_t offset, uint32_t length, uint64_t cie_offset, uint32_t pc_start, uint32_t pc_length, uint64_t segment_length = 0, std::vector* data = nullptr) { memory->SetData32(offset, length); offset += 4; memory->SetData32(offset, cie_offset); offset += 4 + segment_length; memory->SetData32(offset, pc_start); offset += 4; memory->SetData32(offset, pc_length); if (data != nullptr) { offset += 4; memory->SetMemory(offset, *data); } } static void SetFde64(MemoryFake* memory, uint64_t offset, uint64_t length, uint64_t cie_offset, uint64_t pc_start, uint64_t pc_length, uint64_t segment_length = 0, std::vector* data = nullptr) { memory->SetData32(offset, 0xffffffff); offset += 4; memory->SetData64(offset, length); offset += 8; memory->SetData64(offset, cie_offset); offset += 8 + segment_length; memory->SetData64(offset, pc_start); offset += 8; memory->SetData64(offset, pc_length); if (data != nullptr) { offset += 8; memory->SetMemory(offset, *data); } } static void SetFourFdes32(MemoryFake* memory) { SetCie32(memory, 0x5000, 0xfc, std::vector{1, '\0', 0, 0, 1}); // FDE 32 information. SetFde32(memory, 0x5100, 0xfc, 0, 0x1500, 0x200); SetFde32(memory, 0x5200, 0xfc, 0, 0x2500, 0x300); // CIE 32 information. SetCie32(memory, 0x5300, 0xfc, std::vector{1, '\0', 0, 0, 1}); // FDE 32 information. SetFde32(memory, 0x5400, 0xfc, 0x300, 0x3500, 0x400); SetFde32(memory, 0x5500, 0xfc, 0x300, 0x4500, 0x500); } TYPED_TEST_P(DwarfDebugFrameTest, GetFdes32) { SetFourFdes32(&this->memory_); ASSERT_TRUE(this->debug_frame_->Init(0x5000, 0x600, 0)); std::vector fdes; this->debug_frame_->GetFdes(&fdes); ASSERT_EQ(4U, fdes.size()); EXPECT_EQ(0x5000U, fdes[0]->cie_offset); EXPECT_EQ(0x5110U, fdes[0]->cfa_instructions_offset); EXPECT_EQ(0x5200U, fdes[0]->cfa_instructions_end); EXPECT_EQ(0x1500U, fdes[0]->pc_start); EXPECT_EQ(0x1700U, fdes[0]->pc_end); EXPECT_EQ(0U, fdes[0]->lsda_address); EXPECT_TRUE(fdes[0]->cie != nullptr); EXPECT_EQ(0x5000U, fdes[1]->cie_offset); EXPECT_EQ(0x5210U, fdes[1]->cfa_instructions_offset); EXPECT_EQ(0x5300U, fdes[1]->cfa_instructions_end); EXPECT_EQ(0x2500U, fdes[1]->pc_start); EXPECT_EQ(0x2800U, fdes[1]->pc_end); EXPECT_EQ(0U, fdes[1]->lsda_address); EXPECT_TRUE(fdes[1]->cie != nullptr); EXPECT_EQ(0x5300U, fdes[2]->cie_offset); EXPECT_EQ(0x5410U, fdes[2]->cfa_instructions_offset); EXPECT_EQ(0x5500U, fdes[2]->cfa_instructions_end); EXPECT_EQ(0x3500U, fdes[2]->pc_start); EXPECT_EQ(0x3900U, fdes[2]->pc_end); EXPECT_EQ(0U, fdes[2]->lsda_address); EXPECT_TRUE(fdes[2]->cie != nullptr); EXPECT_EQ(0x5300U, fdes[3]->cie_offset); EXPECT_EQ(0x5510U, fdes[3]->cfa_instructions_offset); EXPECT_EQ(0x5600U, fdes[3]->cfa_instructions_end); EXPECT_EQ(0x4500U, fdes[3]->pc_start); EXPECT_EQ(0x4a00U, fdes[3]->pc_end); EXPECT_EQ(0U, fdes[3]->lsda_address); EXPECT_TRUE(fdes[3]->cie != nullptr); } TYPED_TEST_P(DwarfDebugFrameTest, GetFdes32_after_GetFdeFromPc) { SetFourFdes32(&this->memory_); ASSERT_TRUE(this->debug_frame_->Init(0x5000, 0x600, 0)); const DwarfFde* fde = this->debug_frame_->GetFdeFromPc(0x3600); ASSERT_TRUE(fde != nullptr); EXPECT_EQ(0x3500U, fde->pc_start); EXPECT_EQ(0x3900U, fde->pc_end); std::vector fdes; this->debug_frame_->GetFdes(&fdes); ASSERT_EQ(4U, fdes.size()); // Verify that they got added in the correct order. EXPECT_EQ(0x1500U, fdes[0]->pc_start); EXPECT_EQ(0x1700U, fdes[0]->pc_end); EXPECT_EQ(0x2500U, fdes[1]->pc_start); EXPECT_EQ(0x2800U, fdes[1]->pc_end); EXPECT_EQ(0x3500U, fdes[2]->pc_start); EXPECT_EQ(0x3900U, fdes[2]->pc_end); EXPECT_EQ(0x4500U, fdes[3]->pc_start); EXPECT_EQ(0x4a00U, fdes[3]->pc_end); } TYPED_TEST_P(DwarfDebugFrameTest, GetFdes32_not_in_section) { SetFourFdes32(&this->memory_); ASSERT_TRUE(this->debug_frame_->Init(0x5000, 0x500, 0)); std::vector fdes; this->debug_frame_->GetFdes(&fdes); ASSERT_EQ(3U, fdes.size()); } TYPED_TEST_P(DwarfDebugFrameTest, GetFdes32_big_function_address) { SetCie32(&this->memory_, 0x5000, 0xfc, std::vector{1, '\0', 0, 0, 1}); SetFde32(&this->memory_, 0x5100, 0xfc, 0, 0xe9ad9b1f, 0x200); ASSERT_TRUE(this->debug_frame_->Init(0x5000, 0x200, 0)); std::vector fdes; this->debug_frame_->GetFdes(&fdes); ASSERT_EQ(1U, fdes.size()); EXPECT_EQ(0x5000U, fdes[0]->cie_offset); EXPECT_EQ(0x5110U, fdes[0]->cfa_instructions_offset); EXPECT_EQ(0x5200U, fdes[0]->cfa_instructions_end); EXPECT_EQ(0xe9ad9b1fU, fdes[0]->pc_start); EXPECT_EQ(0xe9ad9d1fU, fdes[0]->pc_end); EXPECT_EQ(0U, fdes[0]->lsda_address); EXPECT_TRUE(fdes[0]->cie != nullptr); } TYPED_TEST_P(DwarfDebugFrameTest, GetFdeFromPc32) { SetFourFdes32(&this->memory_); ASSERT_TRUE(this->debug_frame_->Init(0x5000, 0x600, 0)); const DwarfFde* fde = this->debug_frame_->GetFdeFromPc(0x1600); ASSERT_TRUE(fde != nullptr); EXPECT_EQ(0x1500U, fde->pc_start); fde = this->debug_frame_->GetFdeFromPc(0x2600); ASSERT_TRUE(fde != nullptr); EXPECT_EQ(0x2500U, fde->pc_start); fde = this->debug_frame_->GetFdeFromPc(0x3600); ASSERT_TRUE(fde != nullptr); EXPECT_EQ(0x3500U, fde->pc_start); fde = this->debug_frame_->GetFdeFromPc(0x4600); ASSERT_TRUE(fde != nullptr); EXPECT_EQ(0x4500U, fde->pc_start); fde = this->debug_frame_->GetFdeFromPc(0); ASSERT_TRUE(fde == nullptr); } TYPED_TEST_P(DwarfDebugFrameTest, GetFdeFromPc32_reverse) { SetFourFdes32(&this->memory_); ASSERT_TRUE(this->debug_frame_->Init(0x5000, 0x600, 0)); const DwarfFde* fde = this->debug_frame_->GetFdeFromPc(0x4600); ASSERT_TRUE(fde != nullptr); EXPECT_EQ(0x4500U, fde->pc_start); fde = this->debug_frame_->GetFdeFromPc(0x3600); ASSERT_TRUE(fde != nullptr); EXPECT_EQ(0x3500U, fde->pc_start); fde = this->debug_frame_->GetFdeFromPc(0x2600); ASSERT_TRUE(fde != nullptr); EXPECT_EQ(0x2500U, fde->pc_start); fde = this->debug_frame_->GetFdeFromPc(0x1600); ASSERT_TRUE(fde != nullptr); EXPECT_EQ(0x1500U, fde->pc_start); fde = this->debug_frame_->GetFdeFromPc(0); ASSERT_TRUE(fde == nullptr); } TYPED_TEST_P(DwarfDebugFrameTest, GetFdeFromPc32_not_in_section) { SetFourFdes32(&this->memory_); ASSERT_TRUE(this->debug_frame_->Init(0x5000, 0x500, 0)); const DwarfFde* fde = this->debug_frame_->GetFdeFromPc(0x4600); ASSERT_TRUE(fde == nullptr); } static void SetFourFdes64(MemoryFake* memory) { // CIE 64 information. SetCie64(memory, 0x5000, 0xf4, std::vector{1, '\0', 0, 0, 1}); // FDE 64 information. SetFde64(memory, 0x5100, 0xf4, 0, 0x1500, 0x200); SetFde64(memory, 0x5200, 0xf4, 0, 0x2500, 0x300); // CIE 64 information. SetCie64(memory, 0x5300, 0xf4, std::vector{1, '\0', 0, 0, 1}); // FDE 64 information. SetFde64(memory, 0x5400, 0xf4, 0x300, 0x3500, 0x400); SetFde64(memory, 0x5500, 0xf4, 0x300, 0x4500, 0x500); } TYPED_TEST_P(DwarfDebugFrameTest, GetFdes64) { SetFourFdes64(&this->memory_); ASSERT_TRUE(this->debug_frame_->Init(0x5000, 0x600, 0)); std::vector fdes; this->debug_frame_->GetFdes(&fdes); ASSERT_EQ(4U, fdes.size()); EXPECT_EQ(0x5000U, fdes[0]->cie_offset); EXPECT_EQ(0x5124U, fdes[0]->cfa_instructions_offset); EXPECT_EQ(0x5200U, fdes[0]->cfa_instructions_end); EXPECT_EQ(0x1500U, fdes[0]->pc_start); EXPECT_EQ(0x1700U, fdes[0]->pc_end); EXPECT_EQ(0U, fdes[0]->lsda_address); EXPECT_TRUE(fdes[0]->cie != nullptr); EXPECT_EQ(0x5000U, fdes[1]->cie_offset); EXPECT_EQ(0x5224U, fdes[1]->cfa_instructions_offset); EXPECT_EQ(0x5300U, fdes[1]->cfa_instructions_end); EXPECT_EQ(0x2500U, fdes[1]->pc_start); EXPECT_EQ(0x2800U, fdes[1]->pc_end); EXPECT_EQ(0U, fdes[1]->lsda_address); EXPECT_TRUE(fdes[1]->cie != nullptr); EXPECT_EQ(0x5300U, fdes[2]->cie_offset); EXPECT_EQ(0x5424U, fdes[2]->cfa_instructions_offset); EXPECT_EQ(0x5500U, fdes[2]->cfa_instructions_end); EXPECT_EQ(0x3500U, fdes[2]->pc_start); EXPECT_EQ(0x3900U, fdes[2]->pc_end); EXPECT_EQ(0U, fdes[2]->lsda_address); EXPECT_TRUE(fdes[2]->cie != nullptr); EXPECT_EQ(0x5300U, fdes[3]->cie_offset); EXPECT_EQ(0x5524U, fdes[3]->cfa_instructions_offset); EXPECT_EQ(0x5600U, fdes[3]->cfa_instructions_end); EXPECT_EQ(0x4500U, fdes[3]->pc_start); EXPECT_EQ(0x4a00U, fdes[3]->pc_end); EXPECT_EQ(0U, fdes[3]->lsda_address); EXPECT_TRUE(fdes[3]->cie != nullptr); } TYPED_TEST_P(DwarfDebugFrameTest, GetFdes64_after_GetFdeFromPc) { SetFourFdes64(&this->memory_); ASSERT_TRUE(this->debug_frame_->Init(0x5000, 0x600, 0)); const DwarfFde* fde = this->debug_frame_->GetFdeFromPc(0x2600); ASSERT_TRUE(fde != nullptr); EXPECT_EQ(0x2500U, fde->pc_start); EXPECT_EQ(0x2800U, fde->pc_end); std::vector fdes; this->debug_frame_->GetFdes(&fdes); ASSERT_EQ(4U, fdes.size()); // Verify that they got added in the correct order. EXPECT_EQ(0x1500U, fdes[0]->pc_start); EXPECT_EQ(0x1700U, fdes[0]->pc_end); EXPECT_EQ(0x2500U, fdes[1]->pc_start); EXPECT_EQ(0x2800U, fdes[1]->pc_end); EXPECT_EQ(0x3500U, fdes[2]->pc_start); EXPECT_EQ(0x3900U, fdes[2]->pc_end); EXPECT_EQ(0x4500U, fdes[3]->pc_start); EXPECT_EQ(0x4a00U, fdes[3]->pc_end); } TYPED_TEST_P(DwarfDebugFrameTest, GetFdes64_not_in_section) { SetFourFdes64(&this->memory_); ASSERT_TRUE(this->debug_frame_->Init(0x5000, 0x500, 0)); std::vector fdes; this->debug_frame_->GetFdes(&fdes); ASSERT_EQ(3U, fdes.size()); } TYPED_TEST_P(DwarfDebugFrameTest, GetFdeFromPc64) { SetFourFdes64(&this->memory_); ASSERT_TRUE(this->debug_frame_->Init(0x5000, 0x600, 0)); const DwarfFde* fde = this->debug_frame_->GetFdeFromPc(0x1600); ASSERT_TRUE(fde != nullptr); EXPECT_EQ(0x1500U, fde->pc_start); fde = this->debug_frame_->GetFdeFromPc(0x2600); ASSERT_TRUE(fde != nullptr); EXPECT_EQ(0x2500U, fde->pc_start); fde = this->debug_frame_->GetFdeFromPc(0x3600); ASSERT_TRUE(fde != nullptr); EXPECT_EQ(0x3500U, fde->pc_start); fde = this->debug_frame_->GetFdeFromPc(0x4600); ASSERT_TRUE(fde != nullptr); EXPECT_EQ(0x4500U, fde->pc_start); fde = this->debug_frame_->GetFdeFromPc(0); ASSERT_TRUE(fde == nullptr); } TYPED_TEST_P(DwarfDebugFrameTest, GetFdeFromPc64_reverse) { SetFourFdes64(&this->memory_); ASSERT_TRUE(this->debug_frame_->Init(0x5000, 0x600, 0)); const DwarfFde* fde = this->debug_frame_->GetFdeFromPc(0x4600); ASSERT_TRUE(fde != nullptr); EXPECT_EQ(0x4500U, fde->pc_start); fde = this->debug_frame_->GetFdeFromPc(0x3600); ASSERT_TRUE(fde != nullptr); EXPECT_EQ(0x3500U, fde->pc_start); fde = this->debug_frame_->GetFdeFromPc(0x2600); ASSERT_TRUE(fde != nullptr); EXPECT_EQ(0x2500U, fde->pc_start); fde = this->debug_frame_->GetFdeFromPc(0x1600); ASSERT_TRUE(fde != nullptr); EXPECT_EQ(0x1500U, fde->pc_start); fde = this->debug_frame_->GetFdeFromPc(0); ASSERT_TRUE(fde == nullptr); } TYPED_TEST_P(DwarfDebugFrameTest, GetFdeFromPc64_not_in_section) { SetFourFdes64(&this->memory_); ASSERT_TRUE(this->debug_frame_->Init(0x5000, 0x500, 0)); const DwarfFde* fde = this->debug_frame_->GetFdeFromPc(0x4600); ASSERT_TRUE(fde == nullptr); } TYPED_TEST_P(DwarfDebugFrameTest, GetCieFde32) { SetCie32(&this->memory_, 0xf000, 0x100, std::vector{1, '\0', 4, 8, 0x20}); SetFde32(&this->memory_, 0x14000, 0x20, 0xf000, 0x9000, 0x100); const DwarfFde* fde = this->debug_frame_->GetFdeFromOffset(0x14000); ASSERT_TRUE(fde != nullptr); EXPECT_EQ(0x14010U, fde->cfa_instructions_offset); EXPECT_EQ(0x14024U, fde->cfa_instructions_end); EXPECT_EQ(0x9000U, fde->pc_start); EXPECT_EQ(0x9100U, fde->pc_end); EXPECT_EQ(0xf000U, fde->cie_offset); EXPECT_EQ(0U, fde->lsda_address); ASSERT_TRUE(fde->cie != nullptr); EXPECT_EQ(1U, fde->cie->version); EXPECT_EQ(DW_EH_PE_udata4, fde->cie->fde_address_encoding); EXPECT_EQ(DW_EH_PE_omit, fde->cie->lsda_encoding); EXPECT_EQ(0U, fde->cie->segment_size); EXPECT_EQ(1U, fde->cie->augmentation_string.size()); EXPECT_EQ('\0', fde->cie->augmentation_string[0]); EXPECT_EQ(0U, fde->cie->personality_handler); EXPECT_EQ(0xf00dU, fde->cie->cfa_instructions_offset); EXPECT_EQ(0xf104U, fde->cie->cfa_instructions_end); EXPECT_EQ(4U, fde->cie->code_alignment_factor); EXPECT_EQ(8, fde->cie->data_alignment_factor); EXPECT_EQ(0x20U, fde->cie->return_address_register); } TYPED_TEST_P(DwarfDebugFrameTest, GetCieFde64) { SetCie64(&this->memory_, 0x6000, 0x100, std::vector{1, '\0', 4, 8, 0x20}); SetFde64(&this->memory_, 0x8000, 0x200, 0x6000, 0x5000, 0x300); const DwarfFde* fde = this->debug_frame_->GetFdeFromOffset(0x8000); ASSERT_TRUE(fde != nullptr); EXPECT_EQ(0x8024U, fde->cfa_instructions_offset); EXPECT_EQ(0x820cU, fde->cfa_instructions_end); EXPECT_EQ(0x5000U, fde->pc_start); EXPECT_EQ(0x5300U, fde->pc_end); EXPECT_EQ(0x6000U, fde->cie_offset); EXPECT_EQ(0U, fde->lsda_address); ASSERT_TRUE(fde->cie != nullptr); EXPECT_EQ(1U, fde->cie->version); EXPECT_EQ(DW_EH_PE_udata8, fde->cie->fde_address_encoding); EXPECT_EQ(DW_EH_PE_omit, fde->cie->lsda_encoding); EXPECT_EQ(0U, fde->cie->segment_size); EXPECT_EQ(1U, fde->cie->augmentation_string.size()); EXPECT_EQ('\0', fde->cie->augmentation_string[0]); EXPECT_EQ(0U, fde->cie->personality_handler); EXPECT_EQ(0x6019U, fde->cie->cfa_instructions_offset); EXPECT_EQ(0x610cU, fde->cie->cfa_instructions_end); EXPECT_EQ(4U, fde->cie->code_alignment_factor); EXPECT_EQ(8, fde->cie->data_alignment_factor); EXPECT_EQ(0x20U, fde->cie->return_address_register); } static void VerifyCieVersion(const DwarfCie* cie, uint8_t version, uint8_t segment_size, uint8_t fde_encoding, uint64_t return_address, uint64_t start_offset, uint64_t end_offset) { EXPECT_EQ(version, cie->version); EXPECT_EQ(fde_encoding, cie->fde_address_encoding); EXPECT_EQ(DW_EH_PE_omit, cie->lsda_encoding); EXPECT_EQ(segment_size, cie->segment_size); EXPECT_EQ(1U, cie->augmentation_string.size()); EXPECT_EQ('\0', cie->augmentation_string[0]); EXPECT_EQ(0U, cie->personality_handler); EXPECT_EQ(4U, cie->code_alignment_factor); EXPECT_EQ(8, cie->data_alignment_factor); EXPECT_EQ(return_address, cie->return_address_register); EXPECT_EQ(0x5000U + start_offset, cie->cfa_instructions_offset); EXPECT_EQ(0x5000U + end_offset, cie->cfa_instructions_end); } TYPED_TEST_P(DwarfDebugFrameTest, GetCieFromOffset32_cie_cached) { SetCie32(&this->memory_, 0x5000, 0x100, std::vector{1, '\0', 4, 8, 0x20}); const DwarfCie* cie = this->debug_frame_->GetCieFromOffset(0x5000); EXPECT_EQ(DWARF_ERROR_NONE, this->debug_frame_->LastErrorCode()); ASSERT_TRUE(cie != nullptr); VerifyCieVersion(cie, 1, 0, DW_EH_PE_udata4, 0x20, 0xd, 0x104); std::vector zero(0x100, 0); this->memory_.SetMemory(0x5000, zero); cie = this->debug_frame_->GetCieFromOffset(0x5000); EXPECT_EQ(DWARF_ERROR_NONE, this->debug_frame_->LastErrorCode()); ASSERT_TRUE(cie != nullptr); VerifyCieVersion(cie, 1, 0, DW_EH_PE_udata4, 0x20, 0xd, 0x104); } TYPED_TEST_P(DwarfDebugFrameTest, GetCieFromOffset64_cie_cached) { SetCie64(&this->memory_, 0x5000, 0x100, std::vector{1, '\0', 4, 8, 0x20}); const DwarfCie* cie = this->debug_frame_->GetCieFromOffset(0x5000); EXPECT_EQ(DWARF_ERROR_NONE, this->debug_frame_->LastErrorCode()); ASSERT_TRUE(cie != nullptr); VerifyCieVersion(cie, 1, 0, DW_EH_PE_udata8, 0x20, 0x19, 0x10c); std::vector zero(0x100, 0); this->memory_.SetMemory(0x5000, zero); cie = this->debug_frame_->GetCieFromOffset(0x5000); EXPECT_EQ(DWARF_ERROR_NONE, this->debug_frame_->LastErrorCode()); ASSERT_TRUE(cie != nullptr); VerifyCieVersion(cie, 1, 0, DW_EH_PE_udata8, 0x20, 0x19, 0x10c); } TYPED_TEST_P(DwarfDebugFrameTest, GetCieFromOffset32_version1) { SetCie32(&this->memory_, 0x5000, 0x100, std::vector{1, '\0', 4, 8, 0x20}); const DwarfCie* cie = this->debug_frame_->GetCieFromOffset(0x5000); EXPECT_EQ(DWARF_ERROR_NONE, this->debug_frame_->LastErrorCode()); ASSERT_TRUE(cie != nullptr); VerifyCieVersion(cie, 1, 0, DW_EH_PE_udata4, 0x20, 0xd, 0x104); } TYPED_TEST_P(DwarfDebugFrameTest, GetCieFromOffset64_version1) { SetCie64(&this->memory_, 0x5000, 0x100, std::vector{1, '\0', 4, 8, 0x20}); const DwarfCie* cie = this->debug_frame_->GetCieFromOffset(0x5000); EXPECT_EQ(DWARF_ERROR_NONE, this->debug_frame_->LastErrorCode()); ASSERT_TRUE(cie != nullptr); VerifyCieVersion(cie, 1, 0, DW_EH_PE_udata8, 0x20, 0x19, 0x10c); } TYPED_TEST_P(DwarfDebugFrameTest, GetCieFromOffset32_version3) { SetCie32(&this->memory_, 0x5000, 0x100, std::vector{3, '\0', 4, 8, 0x81, 3}); const DwarfCie* cie = this->debug_frame_->GetCieFromOffset(0x5000); EXPECT_EQ(DWARF_ERROR_NONE, this->debug_frame_->LastErrorCode()); ASSERT_TRUE(cie != nullptr); VerifyCieVersion(cie, 3, 0, DW_EH_PE_udata4, 0x181, 0xe, 0x104); } TYPED_TEST_P(DwarfDebugFrameTest, GetCieFromOffset64_version3) { SetCie64(&this->memory_, 0x5000, 0x100, std::vector{3, '\0', 4, 8, 0x81, 3}); const DwarfCie* cie = this->debug_frame_->GetCieFromOffset(0x5000); EXPECT_EQ(DWARF_ERROR_NONE, this->debug_frame_->LastErrorCode()); ASSERT_TRUE(cie != nullptr); VerifyCieVersion(cie, 3, 0, DW_EH_PE_udata8, 0x181, 0x1a, 0x10c); } TYPED_TEST_P(DwarfDebugFrameTest, GetCieFromOffset32_version4_32bit_address) { SetCie32(&this->memory_, 0x5000, 0x100, std::vector{4, '\0', 4, 10, 4, 8, 0x81, 3}); const DwarfCie* cie = this->debug_frame_->GetCieFromOffset(0x5000); EXPECT_EQ(DWARF_ERROR_NONE, this->debug_frame_->LastErrorCode()); ASSERT_TRUE(cie != nullptr); VerifyCieVersion(cie, 4, 10, DW_EH_PE_udata4, 0x181, 0x10, 0x104); } TYPED_TEST_P(DwarfDebugFrameTest, GetCieFromOffset32_version4_64bit_address) { SetCie32(&this->memory_, 0x5000, 0x100, std::vector{4, '\0', 8, 10, 4, 8, 0x81, 3}); const DwarfCie* cie = this->debug_frame_->GetCieFromOffset(0x5000); EXPECT_EQ(DWARF_ERROR_NONE, this->debug_frame_->LastErrorCode()); ASSERT_TRUE(cie != nullptr); VerifyCieVersion(cie, 4, 10, DW_EH_PE_udata8, 0x181, 0x10, 0x104); } TYPED_TEST_P(DwarfDebugFrameTest, GetCieFromOffset64_version4_32bit_address) { SetCie64(&this->memory_, 0x5000, 0x100, std::vector{4, '\0', 4, 10, 4, 8, 0x81, 3}); const DwarfCie* cie = this->debug_frame_->GetCieFromOffset(0x5000); EXPECT_EQ(DWARF_ERROR_NONE, this->debug_frame_->LastErrorCode()); ASSERT_TRUE(cie != nullptr); VerifyCieVersion(cie, 4, 10, DW_EH_PE_udata4, 0x181, 0x1c, 0x10c); } TYPED_TEST_P(DwarfDebugFrameTest, GetCieFromOffset64_version4_64bit_address) { SetCie64(&this->memory_, 0x5000, 0x100, std::vector{4, '\0', 8, 10, 4, 8, 0x81, 3}); const DwarfCie* cie = this->debug_frame_->GetCieFromOffset(0x5000); EXPECT_EQ(DWARF_ERROR_NONE, this->debug_frame_->LastErrorCode()); ASSERT_TRUE(cie != nullptr); VerifyCieVersion(cie, 4, 10, DW_EH_PE_udata8, 0x181, 0x1c, 0x10c); } TYPED_TEST_P(DwarfDebugFrameTest, GetCieFromOffset32_version5) { SetCie32(&this->memory_, 0x5000, 0x100, std::vector{5, '\0', 4, 10, 4, 8, 0x81, 3}); const DwarfCie* cie = this->debug_frame_->GetCieFromOffset(0x5000); EXPECT_EQ(DWARF_ERROR_NONE, this->debug_frame_->LastErrorCode()); ASSERT_TRUE(cie != nullptr); VerifyCieVersion(cie, 5, 10, DW_EH_PE_udata4, 0x181, 0x10, 0x104); } TYPED_TEST_P(DwarfDebugFrameTest, GetCieFromOffset64_version5) { SetCie64(&this->memory_, 0x5000, 0x100, std::vector{5, '\0', 8, 10, 4, 8, 0x81, 3}); const DwarfCie* cie = this->debug_frame_->GetCieFromOffset(0x5000); EXPECT_EQ(DWARF_ERROR_NONE, this->debug_frame_->LastErrorCode()); ASSERT_TRUE(cie != nullptr); VerifyCieVersion(cie, 5, 10, DW_EH_PE_udata8, 0x181, 0x1c, 0x10c); } TYPED_TEST_P(DwarfDebugFrameTest, GetCieFromOffset_version_invalid) { SetCie32(&this->memory_, 0x5000, 0x100, std::vector{0, '\0', 1, 2, 3, 4, 5, 6, 7}); ASSERT_TRUE(this->debug_frame_->GetCieFromOffset(0x5000) == nullptr); EXPECT_EQ(DWARF_ERROR_UNSUPPORTED_VERSION, this->debug_frame_->LastErrorCode()); SetCie64(&this->memory_, 0x6000, 0x100, std::vector{0, '\0', 1, 2, 3, 4, 5, 6, 7}); ASSERT_TRUE(this->debug_frame_->GetCieFromOffset(0x6000) == nullptr); EXPECT_EQ(DWARF_ERROR_UNSUPPORTED_VERSION, this->debug_frame_->LastErrorCode()); SetCie32(&this->memory_, 0x7000, 0x100, std::vector{6, '\0', 1, 2, 3, 4, 5, 6, 7}); ASSERT_TRUE(this->debug_frame_->GetCieFromOffset(0x7000) == nullptr); EXPECT_EQ(DWARF_ERROR_UNSUPPORTED_VERSION, this->debug_frame_->LastErrorCode()); SetCie64(&this->memory_, 0x8000, 0x100, std::vector{6, '\0', 1, 2, 3, 4, 5, 6, 7}); ASSERT_TRUE(this->debug_frame_->GetCieFromOffset(0x8000) == nullptr); EXPECT_EQ(DWARF_ERROR_UNSUPPORTED_VERSION, this->debug_frame_->LastErrorCode()); } static void VerifyCieAugment(const DwarfCie* cie, uint64_t inst_offset, uint64_t inst_end) { EXPECT_EQ(1U, cie->version); EXPECT_EQ(DW_EH_PE_udata2, cie->fde_address_encoding); EXPECT_EQ(DW_EH_PE_textrel | DW_EH_PE_udata2, cie->lsda_encoding); EXPECT_EQ(0U, cie->segment_size); EXPECT_EQ(5U, cie->augmentation_string.size()); EXPECT_EQ('z', cie->augmentation_string[0]); EXPECT_EQ('L', cie->augmentation_string[1]); EXPECT_EQ('P', cie->augmentation_string[2]); EXPECT_EQ('R', cie->augmentation_string[3]); EXPECT_EQ('\0', cie->augmentation_string[4]); EXPECT_EQ(0x12345678U, cie->personality_handler); EXPECT_EQ(4U, cie->code_alignment_factor); EXPECT_EQ(8, cie->data_alignment_factor); EXPECT_EQ(0x10U, cie->return_address_register); EXPECT_EQ(inst_offset, cie->cfa_instructions_offset); EXPECT_EQ(inst_end, cie->cfa_instructions_end); } TYPED_TEST_P(DwarfDebugFrameTest, GetCieFromOffset32_augment) { SetCie32(&this->memory_, 0x5000, 0x100, std::vector{/* version */ 1, /* augment string */ 'z', 'L', 'P', 'R', '\0', /* code alignment factor */ 4, /* data alignment factor */ 8, /* return address register */ 0x10, /* augment length */ 0xf, /* L data */ DW_EH_PE_textrel | DW_EH_PE_udata2, /* P data */ DW_EH_PE_udata4, 0x78, 0x56, 0x34, 0x12, /* R data */ DW_EH_PE_udata2}); const DwarfCie* cie = this->debug_frame_->GetCieFromOffset(0x5000); ASSERT_TRUE(cie != nullptr); VerifyCieAugment(cie, 0x5021, 0x5104); } TYPED_TEST_P(DwarfDebugFrameTest, GetCieFromOffset64_augment) { SetCie64(&this->memory_, 0x5000, 0x100, std::vector{/* version */ 1, /* augment string */ 'z', 'L', 'P', 'R', '\0', /* code alignment factor */ 4, /* data alignment factor */ 8, /* return address register */ 0x10, /* augment length */ 0xf, /* L data */ DW_EH_PE_textrel | DW_EH_PE_udata2, /* P data */ DW_EH_PE_udata4, 0x78, 0x56, 0x34, 0x12, /* R data */ DW_EH_PE_udata2}); const DwarfCie* cie = this->debug_frame_->GetCieFromOffset(0x5000); ASSERT_TRUE(cie != nullptr); VerifyCieAugment(cie, 0x502d, 0x510c); } TYPED_TEST_P(DwarfDebugFrameTest, GetFdeFromOffset32_augment) { SetCie32(&this->memory_, 0x5000, 0xfc, std::vector{/* version */ 4, /* augment string */ 'z', '\0', /* address size */ 4, /* segment size */ 0x10, /* code alignment factor */ 16, /* data alignment factor */ 32, /* return address register */ 10, /* augment length */ 0x0}); std::vector data{/* augment length */ 0x80, 0x3}; SetFde32(&this->memory_, 0x5200, 0x300, 0x5000, 0x4300, 0x300, 0x10, &data); const DwarfFde* fde = this->debug_frame_->GetFdeFromOffset(0x5200); ASSERT_TRUE(fde != nullptr); ASSERT_TRUE(fde->cie != nullptr); EXPECT_EQ(4U, fde->cie->version); EXPECT_EQ(0x5000U, fde->cie_offset); EXPECT_EQ(0x53a2U, fde->cfa_instructions_offset); EXPECT_EQ(0x5504U, fde->cfa_instructions_end); EXPECT_EQ(0x4300U, fde->pc_start); EXPECT_EQ(0x4600U, fde->pc_end); EXPECT_EQ(0U, fde->lsda_address); } TYPED_TEST_P(DwarfDebugFrameTest, GetFdeFromOffset64_augment) { SetCie64(&this->memory_, 0x5000, 0xfc, std::vector{/* version */ 4, /* augment string */ 'z', '\0', /* address size */ 8, /* segment size */ 0x10, /* code alignment factor */ 16, /* data alignment factor */ 32, /* return address register */ 10, /* augment length */ 0x0}); std::vector data{/* augment length */ 0x80, 0x3}; SetFde64(&this->memory_, 0x5200, 0x300, 0x5000, 0x4300, 0x300, 0x10, &data); const DwarfFde* fde = this->debug_frame_->GetFdeFromOffset(0x5200); ASSERT_TRUE(fde != nullptr); ASSERT_TRUE(fde->cie != nullptr); EXPECT_EQ(4U, fde->cie->version); EXPECT_EQ(0x5000U, fde->cie_offset); EXPECT_EQ(0x53b6U, fde->cfa_instructions_offset); EXPECT_EQ(0x550cU, fde->cfa_instructions_end); EXPECT_EQ(0x4300U, fde->pc_start); EXPECT_EQ(0x4600U, fde->pc_end); EXPECT_EQ(0U, fde->lsda_address); } TYPED_TEST_P(DwarfDebugFrameTest, GetFdeFromOffset32_lsda_address) { SetCie32(&this->memory_, 0x5000, 0xfc, std::vector{/* version */ 1, /* augment string */ 'z', 'L', '\0', /* address size */ 8, /* code alignment factor */ 16, /* data alignment factor */ 32, /* return address register */ 10, /* augment length */ 0x2, /* L data */ DW_EH_PE_udata2}); std::vector data{/* augment length */ 0x80, 0x3, /* lsda address */ 0x20, 0x45}; SetFde32(&this->memory_, 0x5200, 0x300, 0x5000, 0x4300, 0x300, 0, &data); const DwarfFde* fde = this->debug_frame_->GetFdeFromOffset(0x5200); ASSERT_TRUE(fde != nullptr); ASSERT_TRUE(fde->cie != nullptr); EXPECT_EQ(1U, fde->cie->version); EXPECT_EQ(0x5000U, fde->cie_offset); EXPECT_EQ(0x5392U, fde->cfa_instructions_offset); EXPECT_EQ(0x5504U, fde->cfa_instructions_end); EXPECT_EQ(0x4300U, fde->pc_start); EXPECT_EQ(0x4600U, fde->pc_end); EXPECT_EQ(0x4520U, fde->lsda_address); } TYPED_TEST_P(DwarfDebugFrameTest, GetFdeFromOffset64_lsda_address) { SetCie64(&this->memory_, 0x5000, 0xfc, std::vector{/* version */ 1, /* augment string */ 'z', 'L', '\0', /* address size */ 8, /* code alignment factor */ 16, /* data alignment factor */ 32, /* return address register */ 10, /* augment length */ 0x2, /* L data */ DW_EH_PE_udata2}); std::vector data{/* augment length */ 0x80, 0x3, /* lsda address */ 0x20, 0x45}; SetFde64(&this->memory_, 0x5200, 0x300, 0x5000, 0x4300, 0x300, 0, &data); const DwarfFde* fde = this->debug_frame_->GetFdeFromOffset(0x5200); ASSERT_TRUE(fde != nullptr); ASSERT_TRUE(fde->cie != nullptr); EXPECT_EQ(1U, fde->cie->version); EXPECT_EQ(0x5000U, fde->cie_offset); EXPECT_EQ(0x53a6U, fde->cfa_instructions_offset); EXPECT_EQ(0x550cU, fde->cfa_instructions_end); EXPECT_EQ(0x4300U, fde->pc_start); EXPECT_EQ(0x4600U, fde->pc_end); EXPECT_EQ(0x4520U, fde->lsda_address); } TYPED_TEST_P(DwarfDebugFrameTest, GetFdeFromPc_interleaved) { SetCie32(&this->memory_, 0x5000, 0xfc, std::vector{1, '\0', 0, 0, 1}); // FDE 0 (0x100 - 0x200) SetFde32(&this->memory_, 0x5100, 0xfc, 0, 0x100, 0x100); // FDE 1 (0x300 - 0x500) SetFde32(&this->memory_, 0x5200, 0xfc, 0, 0x300, 0x200); // FDE 2 (0x700 - 0x800) SetFde32(&this->memory_, 0x5300, 0xfc, 0, 0x700, 0x100); // FDE 3 (0xa00 - 0xb00) SetFde32(&this->memory_, 0x5400, 0xfc, 0, 0xa00, 0x100); // FDE 4 (0x100 - 0xb00) SetFde32(&this->memory_, 0x5500, 0xfc, 0, 0x150, 0xa00); // FDE 5 (0x50 - 0xa0) SetFde32(&this->memory_, 0x5600, 0xfc, 0, 0x50, 0x50); // FDE 6 (0x0 - 0x50) SetFde32(&this->memory_, 0x5700, 0xfc, 0, 0, 0x50); this->debug_frame_->Init(0x5000, 0x800, 0); // Force reading all entries so no entries are found. const DwarfFde* fde = this->debug_frame_->GetFdeFromPc(0xfffff); ASSERT_TRUE(fde == nullptr); // 0x50 - 0xa0 FDE 5 fde = this->debug_frame_->GetFdeFromPc(0x60); ASSERT_TRUE(fde != nullptr); EXPECT_EQ(0x50U, fde->pc_start); EXPECT_EQ(0xa0U, fde->pc_end); // 0x0 - 0x50 FDE 6 fde = this->debug_frame_->GetFdeFromPc(0x10); ASSERT_TRUE(fde != nullptr); EXPECT_EQ(0U, fde->pc_start); EXPECT_EQ(0x50U, fde->pc_end); // 0x100 - 0x200 FDE 0 fde = this->debug_frame_->GetFdeFromPc(0x170); ASSERT_TRUE(fde != nullptr); EXPECT_EQ(0x100U, fde->pc_start); EXPECT_EQ(0x200U, fde->pc_end); // 0x200 - 0x300 FDE 4 fde = this->debug_frame_->GetFdeFromPc(0x210); ASSERT_TRUE(fde != nullptr); EXPECT_EQ(0x150U, fde->pc_start); EXPECT_EQ(0xb50U, fde->pc_end); // 0x300 - 0x500 FDE 1 fde = this->debug_frame_->GetFdeFromPc(0x310); ASSERT_TRUE(fde != nullptr); EXPECT_EQ(0x300U, fde->pc_start); EXPECT_EQ(0x500U, fde->pc_end); // 0x700 - 0x800 FDE 2 fde = this->debug_frame_->GetFdeFromPc(0x790); ASSERT_TRUE(fde != nullptr); EXPECT_EQ(0x700U, fde->pc_start); EXPECT_EQ(0x800U, fde->pc_end); // 0x800 - 0x900 FDE 4 fde = this->debug_frame_->GetFdeFromPc(0x850); ASSERT_TRUE(fde != nullptr); EXPECT_EQ(0x150U, fde->pc_start); EXPECT_EQ(0xb50U, fde->pc_end); // 0xa00 - 0xb00 FDE 3 fde = this->debug_frame_->GetFdeFromPc(0xa35); ASSERT_TRUE(fde != nullptr); EXPECT_EQ(0xa00U, fde->pc_start); EXPECT_EQ(0xb00U, fde->pc_end); // 0xb00 - 0xb50 FDE 4 fde = this->debug_frame_->GetFdeFromPc(0xb20); ASSERT_TRUE(fde != nullptr); EXPECT_EQ(0x150U, fde->pc_start); EXPECT_EQ(0xb50U, fde->pc_end); } TYPED_TEST_P(DwarfDebugFrameTest, GetFdeFromPc_overlap) { SetCie32(&this->memory_, 0x5000, 0xfc, std::vector{1, '\0', 0, 0, 1}); // FDE 0 (0x100 - 0x200) SetFde32(&this->memory_, 0x5100, 0xfc, 0, 0x100, 0x100); // FDE 1 (0x50 - 0x550) SetFde32(&this->memory_, 0x5200, 0xfc, 0, 0x50, 0x500); // FDE 2 (0x00 - 0x800) SetFde32(&this->memory_, 0x5300, 0xfc, 0, 0x0, 0x800); this->debug_frame_->Init(0x5000, 0x400, 0); // Force reading all entries so no entries are found. const DwarfFde* fde = this->debug_frame_->GetFdeFromPc(0xfffff); ASSERT_TRUE(fde == nullptr); // 0x0 - 0x50 FDE 2 fde = this->debug_frame_->GetFdeFromPc(0x10); ASSERT_TRUE(fde != nullptr); EXPECT_EQ(0x0U, fde->pc_start); EXPECT_EQ(0x800U, fde->pc_end); // 0x50 - 0x100 FDE 1 or FDE 2 fde = this->debug_frame_->GetFdeFromPc(0x60); ASSERT_TRUE(fde != nullptr); EXPECT_EQ(0x00U, fde->pc_start); EXPECT_EQ(0x800U, fde->pc_end); // 0x100 - 0x200 FDE 0, FDE 1, or FDE 2 fde = this->debug_frame_->GetFdeFromPc(0x170); ASSERT_TRUE(fde != nullptr); EXPECT_EQ(0x100U, fde->pc_start); EXPECT_EQ(0x200U, fde->pc_end); // 0x200 - 0x550 FDE 1, or FDE 2 fde = this->debug_frame_->GetFdeFromPc(0x210); ASSERT_TRUE(fde != nullptr); EXPECT_EQ(0x50U, fde->pc_start); EXPECT_EQ(0x550U, fde->pc_end); // 0x550 - 0x800 FDE 2 fde = this->debug_frame_->GetFdeFromPc(0x580); ASSERT_TRUE(fde != nullptr); EXPECT_EQ(0x0U, fde->pc_start); EXPECT_EQ(0x800U, fde->pc_end); fde = this->debug_frame_->GetFdeFromPc(0x810); ASSERT_TRUE(fde == nullptr); } REGISTER_TYPED_TEST_SUITE_P( DwarfDebugFrameTest, GetFdes32, GetFdes32_after_GetFdeFromPc, GetFdes32_not_in_section, GetFdes32_big_function_address, GetFdeFromPc32, GetFdeFromPc32_reverse, GetFdeFromPc32_not_in_section, GetFdes64, GetFdes64_after_GetFdeFromPc, GetFdes64_not_in_section, GetFdeFromPc64, GetFdeFromPc64_reverse, GetFdeFromPc64_not_in_section, GetCieFde32, GetCieFde64, GetCieFromOffset32_cie_cached, GetCieFromOffset64_cie_cached, GetCieFromOffset32_version1, GetCieFromOffset64_version1, GetCieFromOffset32_version3, GetCieFromOffset64_version3, GetCieFromOffset32_version4_32bit_address, GetCieFromOffset32_version4_64bit_address, GetCieFromOffset64_version4_32bit_address, GetCieFromOffset64_version4_64bit_address, GetCieFromOffset32_version5, GetCieFromOffset64_version5, GetCieFromOffset_version_invalid, GetCieFromOffset32_augment, GetCieFromOffset64_augment, GetFdeFromOffset32_augment, GetFdeFromOffset64_augment, GetFdeFromOffset32_lsda_address, GetFdeFromOffset64_lsda_address, GetFdeFromPc_interleaved, GetFdeFromPc_overlap); typedef ::testing::Types DwarfDebugFrameTestTypes; INSTANTIATE_TYPED_TEST_SUITE_P(Libunwindstack, DwarfDebugFrameTest, DwarfDebugFrameTestTypes); } // namespace unwindstack