| 1 | //===-- TestSectionFileSize.cpp -------------------------------------------===// |
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| 2 | // |
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| 3 | // |
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| 4 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 5 | // See https://llvm.org/LICENSE.txt for license information. |
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| 6 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 7 | // |
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| 8 | //===----------------------------------------------------------------------===// |
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| 9 | |
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| 10 | #include "gtest/gtest.h" |
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| 11 | |
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| 12 | #include "Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.h" |
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| 13 | #include "Plugins/Process/Utility/lldb-x86-register-enums.h" |
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| 14 | #include "TestingSupport/SubsystemRAII.h" |
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| 15 | #include "TestingSupport/TestUtilities.h" |
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| 16 | |
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| 17 | #include "lldb/Core/Module.h" |
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| 18 | #include "lldb/Symbol/CallFrameInfo.h" |
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| 19 | #include "lldb/Symbol/UnwindPlan.h" |
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| 20 | #include "llvm/Testing/Support/Error.h" |
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| 21 | |
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| 22 | using namespace lldb_private; |
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| 23 | using namespace lldb; |
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| 24 | |
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| 25 | class SectionSizeTest : public testing::Test { |
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| 26 | SubsystemRAII<FileSystem, ObjectFilePECOFF> subsystems; |
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| 27 | }; |
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| 28 | |
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| 29 | TEST_F(SectionSizeTest, NoAlignmentPadding) { |
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| 30 | llvm::Expected<TestFile> ExpectedFile = TestFile::fromYaml( |
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| 31 | Yaml: R"( |
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| 32 | --- !COFF |
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| 33 | OptionalHeader: |
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| 34 | SectionAlignment: 4096 |
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| 35 | FileAlignment: 512 |
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| 36 | header: |
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| 37 | Machine: IMAGE_FILE_MACHINE_AMD64 |
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| 38 | Characteristics: [ IMAGE_FILE_EXECUTABLE_IMAGE, IMAGE_FILE_LARGE_ADDRESS_AWARE ] |
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| 39 | sections: |
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| 40 | - Name: swiftast |
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| 41 | VirtualSize: 496 |
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| 42 | SizeOfRawData: 512 |
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| 43 | Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ ] |
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| 44 | SectionData: 11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111110000 |
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| 45 | |
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| 46 | symbols: [] |
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| 47 | ... |
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| 48 | )" ); |
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| 49 | ASSERT_THAT_EXPECTED(ExpectedFile, llvm::Succeeded()); |
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| 50 | |
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| 51 | ModuleSP module_sp = std::make_shared<Module>(args: ExpectedFile->moduleSpec()); |
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| 52 | ObjectFile *object_file = module_sp->GetObjectFile(); |
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| 53 | ASSERT_NE(object_file, nullptr); |
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| 54 | |
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| 55 | SectionList *section_list = object_file->GetSectionList(); |
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| 56 | ASSERT_NE(section_list, nullptr); |
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| 57 | |
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| 58 | SectionSP swiftast_section; |
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| 59 | size_t section_count = section_list->GetNumSections(depth: 0); |
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| 60 | for (size_t i = 0; i < section_count; ++i) { |
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| 61 | SectionSP section_sp = section_list->GetSectionAtIndex(idx: i); |
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| 62 | if (section_sp->GetName() == "swiftast" ) { |
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| 63 | swiftast_section = section_sp; |
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| 64 | break; |
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| 65 | } |
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| 66 | } |
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| 67 | ASSERT_NE(swiftast_section.get(), nullptr); |
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| 68 | |
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| 69 | DataExtractor section_data; |
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| 70 | ASSERT_NE(object_file->ReadSectionData(swiftast_section.get(), |
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| 71 | section_data), |
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| 72 | (size_t)0); |
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| 73 | |
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| 74 | // Check that the section data size is equal to VirtualSize (496) |
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| 75 | // without the zero padding, instead of SizeOfRawData (512). |
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| 76 | EXPECT_EQ(section_data.GetByteSize(), (uint64_t)496); |
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| 77 | } |
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| 78 | |
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| 79 | |
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