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| //===-- TestLineEntry.cpp ------------------------------*- C++ -*-===//
//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "gtest/gtest.h"
#include <iostream>
#include "Plugins/ObjectFile/Mach-O/ObjectFileMachO.h"
#include "Plugins/SymbolFile/DWARF/DWARFASTParserClang.h"
#include "Plugins/SymbolFile/DWARF/SymbolFileDWARF.h"
#include "TestingSupport/TestUtilities.h"
#include "lldb/Symbol/ClangASTContext.h"
#include "lldb/Core/Module.h"
#include "lldb/Host/FileSystem.h"
#include "lldb/Host/HostInfo.h"
#include "lldb/Symbol/CompileUnit.h"
#include "lldb/Symbol/SymbolContext.h"
#include "llvm/Support/FileUtilities.h"
#include "llvm/Support/Program.h"
#include "llvm/Testing/Support/Error.h"
using namespace lldb_private;
using namespace lldb;
class LineEntryTest : public testing::Test {
public:
void SetUp() override;
void TearDown() override {
ClangASTContext::Terminate();
SymbolFileDWARF::Terminate();
ObjectFileMachO::Terminate();
HostInfo::Terminate();
FileSystem::Terminate();
}
protected:
llvm::Expected<LineEntry> GetLineEntryForLine(uint32_t line);
llvm::Optional<TestFile> m_file;
ModuleSP m_module_sp;
};
void LineEntryTest::SetUp() {
FileSystem::Initialize();
HostInfo::Initialize();
ObjectFileMachO::Initialize();
SymbolFileDWARF::Initialize();
ClangASTContext::Initialize();
auto ExpectedFile = TestFile::fromYamlFile("inlined-functions.yaml");
ASSERT_THAT_EXPECTED(ExpectedFile, llvm::Succeeded());
m_file.emplace(std::move(*ExpectedFile));
m_module_sp = std::make_shared<Module>(ModuleSpec(FileSpec(m_file->name())));
}
llvm::Expected<LineEntry> LineEntryTest::GetLineEntryForLine(uint32_t line) {
bool check_inlines = true;
bool exact = true;
SymbolContextList sc_comp_units;
SymbolContextList sc_line_entries;
FileSpec file_spec("inlined-functions.cpp");
m_module_sp->ResolveSymbolContextsForFileSpec(file_spec, line, check_inlines,
lldb::eSymbolContextCompUnit,
sc_comp_units);
if (sc_comp_units.GetSize() == 0)
return llvm::createStringError(llvm::inconvertibleErrorCode(),
"No comp unit found on the test object.");
sc_comp_units[0].comp_unit->ResolveSymbolContext(
file_spec, line, check_inlines, exact, eSymbolContextLineEntry,
sc_line_entries);
if (sc_line_entries.GetSize() == 0)
return llvm::createStringError(llvm::inconvertibleErrorCode(),
"No line entry found on the test object.");
return sc_line_entries[0].line_entry;
}
TEST_F(LineEntryTest, GetSameLineContiguousAddressRangeNoInlines) {
auto line_entry = GetLineEntryForLine(18);
ASSERT_THAT_EXPECTED(line_entry, llvm::Succeeded());
bool include_inlined_functions = false;
auto range =
line_entry->GetSameLineContiguousAddressRange(include_inlined_functions);
ASSERT_EQ(range.GetByteSize(), (uint64_t)0x24);
}
TEST_F(LineEntryTest, GetSameLineContiguousAddressRangeOneInline) {
auto line_entry = GetLineEntryForLine(18);
ASSERT_THAT_EXPECTED(line_entry, llvm::Succeeded());
bool include_inlined_functions = true;
auto range =
line_entry->GetSameLineContiguousAddressRange(include_inlined_functions);
ASSERT_EQ(range.GetByteSize(), (uint64_t)0x49);
}
TEST_F(LineEntryTest, GetSameLineContiguousAddressRangeNestedInline) {
auto line_entry = GetLineEntryForLine(12);
ASSERT_THAT_EXPECTED(line_entry, llvm::Succeeded());
bool include_inlined_functions = true;
auto range =
line_entry->GetSameLineContiguousAddressRange(include_inlined_functions);
ASSERT_EQ(range.GetByteSize(), (uint64_t)0x33);
}
/*
# inlined-functions.cpp
inline __attribute__((always_inline)) int sum2(int a, int b) {
int result = a + b;
return result;
}
int sum3(int a, int b, int c) {
int result = a + b + c;
return result;
}
inline __attribute__((always_inline)) int sum4(int a, int b, int c, int d) {
int result = sum2(a, b) + sum2(c, d);
result += 0;
return result;
}
int main(int argc, char** argv) {
sum3(3, 4, 5) + sum2(1, 2);
int sum = sum4(1, 2, 3, 4);
sum2(5, 6);
return 0;
}
// g++ -c inlined-functions.cpp -o inlined-functions.o -g -Wno-unused-value
// obj2yaml inlined-functions.o > inlined-functions.yaml
# Dump of source line per address:
# inlined-functions.cpp is src.cpp for space considerations.
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*/
|