79 lines
2.6 KiB
C++
79 lines
2.6 KiB
C++
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//===-- TestSectionFileSize.cpp -------------------------------------------===//
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//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "gtest/gtest.h"
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#include "Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.h"
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#include "Plugins/Process/Utility/lldb-x86-register-enums.h"
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#include "TestingSupport/SubsystemRAII.h"
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#include "TestingSupport/TestUtilities.h"
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#include "lldb/Core/Module.h"
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#include "lldb/Symbol/CallFrameInfo.h"
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#include "lldb/Symbol/UnwindPlan.h"
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#include "llvm/Testing/Support/Error.h"
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using namespace lldb_private;
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using namespace lldb;
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class SectionSizeTest : public testing::Test {
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SubsystemRAII<FileSystem, ObjectFilePECOFF> subsystems;
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};
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TEST_F(SectionSizeTest, NoAlignmentPadding) {
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llvm::Expected<TestFile> ExpectedFile = TestFile::fromYaml(
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R"(
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--- !COFF
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OptionalHeader:
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SectionAlignment: 4096
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FileAlignment: 512
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header:
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Machine: IMAGE_FILE_MACHINE_AMD64
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Characteristics: [ IMAGE_FILE_EXECUTABLE_IMAGE, IMAGE_FILE_LARGE_ADDRESS_AWARE ]
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sections:
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- Name: swiftast
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VirtualSize: 496
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SizeOfRawData: 512
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Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ ]
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SectionData: 11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111110000
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symbols: []
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...
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)");
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ASSERT_THAT_EXPECTED(ExpectedFile, llvm::Succeeded());
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ModuleSP module_sp = std::make_shared<Module>(ExpectedFile->moduleSpec());
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ObjectFile *object_file = module_sp->GetObjectFile();
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ASSERT_NE(object_file, nullptr);
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SectionList *section_list = object_file->GetSectionList();
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ASSERT_NE(section_list, nullptr);
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SectionSP swiftast_section;
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size_t section_count = section_list->GetNumSections(0);
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for (size_t i = 0; i < section_count; ++i) {
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SectionSP section_sp = section_list->GetSectionAtIndex(i);
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if (section_sp->GetName() == "swiftast") {
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swiftast_section = section_sp;
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break;
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}
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}
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ASSERT_NE(swiftast_section.get(), nullptr);
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DataExtractor section_data;
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ASSERT_NE(object_file->ReadSectionData(swiftast_section.get(),
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section_data),
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(size_t)0);
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// Check that the section data size is equal to VirtualSize (496)
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// without the zero padding, instead of SizeOfRawData (512).
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EXPECT_EQ(section_data.GetByteSize(), (uint64_t)496);
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}
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