aadsm updated this revision to Diff 198114.
aadsm added a comment.
Herald added subscribers: jdoerfert, MaskRay, eraman, arichardson, mgorny,
emaste.
Herald added a reviewer: espindola.
- Renamed CompareFileAndLine to FileAndLineEqual and made it return a bool
- Made include_inlined_functions a mandatory parameter in
GetSameLineContiguousAddressRange
- Fix documentation
- Refactored the object file creation from YAML
- Got rid of a bunch of macros
- Improved the test case
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D61235/new/
https://reviews.llvm.org/D61235
Files:
lldb/include/lldb/Core/AddressRange.h
lldb/include/lldb/Symbol/Block.h
lldb/include/lldb/Symbol/Declaration.h
lldb/include/lldb/Symbol/LineEntry.h
lldb/source/Core/AddressRange.cpp
lldb/source/Symbol/Block.cpp
lldb/source/Symbol/Declaration.cpp
lldb/source/Symbol/LineEntry.cpp
lldb/source/Target/Thread.cpp
lldb/source/Target/ThreadPlanStepOut.cpp
lldb/source/Target/ThreadPlanStepRange.cpp
lldb/tools/lldb-test/lldb-test.cpp
lldb/unittests/Core/CMakeLists.txt
lldb/unittests/Core/MangledTest.cpp
lldb/unittests/Interpreter/TestCompletion.cpp
lldb/unittests/ObjectFile/ELF/CMakeLists.txt
lldb/unittests/ObjectFile/ELF/TestObjectFileELF.cpp
lldb/unittests/Symbol/CMakeLists.txt
lldb/unittests/Symbol/Inputs/inlined-functions.yaml
lldb/unittests/Symbol/TestDWARFCallFrameInfo.cpp
lldb/unittests/Symbol/TestLineEntry.cpp
lldb/unittests/TestingSupport/CMakeLists.txt
lldb/unittests/TestingSupport/TestUtilities.cpp
lldb/unittests/TestingSupport/TestUtilities.h
Index: lldb/unittests/TestingSupport/TestUtilities.h
===================================================================
--- lldb/unittests/TestingSupport/TestUtilities.h
+++ lldb/unittests/TestingSupport/TestUtilities.h
@@ -9,11 +9,26 @@
#ifndef LLDB_UNITTESTS_UTILITY_HELPERS_TESTUTILITIES_H
#define LLDB_UNITTESTS_UTILITY_HELPERS_TESTUTILITIES_H
+#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/Twine.h"
+#include "llvm/Support/Error.h"
#include <string>
+#define ASSERT_NO_ERROR(x) \
+ if (std::error_code ASSERT_NO_ERROR_ec = x) { \
+ llvm::SmallString<128> MessageStorage; \
+ llvm::raw_svector_ostream Message(MessageStorage); \
+ Message << #x ": did not return errc::success.\n" \
+ << "error number: " << ASSERT_NO_ERROR_ec.value() << "\n" \
+ << "error message: " << ASSERT_NO_ERROR_ec.message() << "\n"; \
+ GTEST_FATAL_FAILURE_(MessageStorage.c_str()); \
+ } else { \
+ }
+
namespace lldb_private {
std::string GetInputFilePath(const llvm::Twine &name);
+llvm::Error ReadYAMLObjectFile(const llvm::Twine &yaml_name,
+ llvm::SmallString<128> &obj);
}
#endif
Index: lldb/unittests/TestingSupport/TestUtilities.cpp
===================================================================
--- lldb/unittests/TestingSupport/TestUtilities.cpp
+++ lldb/unittests/TestingSupport/TestUtilities.cpp
@@ -9,7 +9,9 @@
#include "TestUtilities.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/Support/FileSystem.h"
+#include "llvm/Support/FormatVariadic.h"
#include "llvm/Support/Path.h"
+#include "llvm/Support/Program.h"
extern const char *TestMainArgv0;
@@ -19,3 +21,24 @@
llvm::sys::path::append(result, "Inputs", name);
return result.str();
}
+
+llvm::Error
+lldb_private::ReadYAMLObjectFile(const llvm::Twine &yaml_name,
+ llvm::SmallString<128> &object_file) {
+ std::string yaml = GetInputFilePath(yaml_name);
+ llvm::StringRef args[] = {YAML2OBJ, yaml};
+ llvm::StringRef obj_ref = object_file;
+ const llvm::Optional<llvm::StringRef> redirects[] = {llvm::None, obj_ref,
+ llvm::None};
+ if (llvm::sys::ExecuteAndWait(YAML2OBJ, args, llvm::None, redirects) != 0)
+ return llvm::createStringError(llvm::inconvertibleErrorCode(),
+ "Error running yaml2obj %s.", yaml.c_str());
+ uint64_t size;
+ if (auto ec = llvm::sys::fs::file_size(object_file, size))
+ return llvm::errorCodeToError(ec);
+ if (size == 0)
+ return llvm::createStringError(
+ llvm::inconvertibleErrorCode(),
+ "Empty object file created from yaml2obj %s.", yaml.c_str());
+ return llvm::Error::success();
+}
\ No newline at end of file
Index: lldb/unittests/TestingSupport/CMakeLists.txt
===================================================================
--- lldb/unittests/TestingSupport/CMakeLists.txt
+++ lldb/unittests/TestingSupport/CMakeLists.txt
@@ -9,3 +9,6 @@
LINK_COMPONENTS
Support
)
+
+add_dependencies(lldbUtilityHelpers yaml2obj)
+add_definitions(-DYAML2OBJ="$<TARGET_FILE:yaml2obj>")
\ No newline at end of file
Index: lldb/unittests/Symbol/TestLineEntry.cpp
===================================================================
--- /dev/null
+++ lldb/unittests/Symbol/TestLineEntry.cpp
@@ -0,0 +1,235 @@
+//===-- 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 "Plugins/SymbolVendor/MacOSX/SymbolVendorMacOSX.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 "lldb/Utility/StreamString.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 {
+ FileSystem::Initialize();
+ HostInfo::Initialize();
+ ObjectFileMachO::Initialize();
+ SymbolVendorMacOSX::Initialize();
+ SymbolFileDWARF::Initialize();
+ ClangASTContext::Initialize();
+ }
+
+ void TearDown() override {
+ ClangASTContext::Terminate();
+ SymbolFileDWARF::Terminate();
+ SymbolVendorMacOSX::Terminate();
+ ObjectFileMachO::Terminate();
+ HostInfo::Terminate();
+ FileSystem::Terminate();
+ }
+
+protected:
+ llvm::Expected<ModuleSP> GetModule();
+ llvm::Expected<LineEntry> GetLineEntryForLine(uint32_t line);
+ ModuleSP m_module_sp;
+};
+
+llvm::Expected<ModuleSP> LineEntryTest::GetModule() {
+ if (m_module_sp)
+ return m_module_sp;
+
+ llvm::SmallString<128> obj;
+ if (auto ec = llvm::sys::fs::createTemporaryFile("source-%%%%%%", "obj", obj))
+ return llvm::errorCodeToError(ec);
+ llvm::FileRemover obj_remover(obj);
+ if (auto error = ReadYAMLObjectFile("inlined-functions.yaml", obj))
+ return llvm::Error(std::move(error));
+
+ m_module_sp = std::make_shared<Module>(ModuleSpec(FileSpec(obj)));
+ // Preload because the temporary file will be gone once we exit this function.
+ m_module_sp->PreloadSymbols();
+ return m_module_sp;
+}
+
+llvm::Expected<LineEntry> LineEntryTest::GetLineEntryForLine(uint32_t line) {
+ auto expected_module_so = GetModule();
+
+ if (!expected_module_so)
+ return llvm::createStringError(llvm::inconvertibleErrorCode(),
+ "Not able to get module for test object.");
+
+ auto module = expected_module_so->get();
+ bool check_inlines = true;
+ bool exact = true;
+ SymbolContextList sc_comp_units;
+ SymbolContextList sc_line_entries;
+ FileSpec file_spec("inlined-functions.cpp");
+ module->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.
+0x20: src.cpp:17
+0x21: src.cpp:17
+0x26: src.cpp:17
+0x27: src.cpp:17
+0x29: src.cpp:17
+0x2e: src.cpp:17
+0x2f: src.cpp:17
+0x31: src.cpp:17
+0x36: src.cpp:18
+0x37: src.cpp:18
+0x39: src.cpp:18
+0x3e: src.cpp:18
+0x3f: src.cpp:18
+0x41: src.cpp:18
+0x46: src.cpp:18
+0x47: src.cpp:18
+0x49: src.cpp:18
+0x4e: src.cpp:18
+0x4f: src.cpp:18
+0x51: src.cpp:18
+0x56: src.cpp:18
+0x57: src.cpp:18
+0x59: src.cpp:18
+0x5e: src.cpp:18 -> s...@src.cpp:2
+0x5f: src.cpp:18 -> s...@src.cpp:2
+0x61: src.cpp:18 -> s...@src.cpp:2
+0x66: src.cpp:18 -> s...@src.cpp:2
+0x67: src.cpp:18 -> s...@src.cpp:2
+0x69: src.cpp:18 -> s...@src.cpp:2
+0x6e: src.cpp:18 -> s...@src.cpp:2
+0x6f: src.cpp:18 -> s...@src.cpp:2
+0x71: src.cpp:18 -> s...@src.cpp:2
+0x76: src.cpp:18 -> s...@src.cpp:2
+0x77: src.cpp:18 -> s...@src.cpp:2
+0x79: src.cpp:18 -> s...@src.cpp:2
+0x7e: src.cpp:18 -> s...@src.cpp:2
+0x7f: src.cpp:19 -> s...@src.cpp:12
+0x81: src.cpp:19 -> s...@src.cpp:12
+0x86: src.cpp:19 -> s...@src.cpp:12
+0x87: src.cpp:19 -> s...@src.cpp:12
+0x89: src.cpp:19 -> s...@src.cpp:12
+0x8e: src.cpp:19 -> s...@src.cpp:12 -> s...@src.cpp:2
+0x8f: src.cpp:19 -> s...@src.cpp:12 -> s...@src.cpp:2
+0x91: src.cpp:19 -> s...@src.cpp:12 -> s...@src.cpp:2
+0x96: src.cpp:19 -> s...@src.cpp:12 -> s...@src.cpp:3
+0x97: src.cpp:19 -> s...@src.cpp:12
+0x99: src.cpp:19 -> s...@src.cpp:12
+0x9e: src.cpp:19 -> s...@src.cpp:12
+0x9f: src.cpp:19 -> s...@src.cpp:12
+0xa1: src.cpp:19 -> s...@src.cpp:12
+0xa6: src.cpp:19 -> s...@src.cpp:12 -> s...@src.cpp:2
+0xa7: src.cpp:19 -> s...@src.cpp:12 -> s...@src.cpp:2
+0xa9: src.cpp:19 -> s...@src.cpp:12 -> s...@src.cpp:2
+0xae: src.cpp:19 -> s...@src.cpp:12
+0xaf: src.cpp:19 -> s...@src.cpp:12
+0xb1: src.cpp:19 -> s...@src.cpp:12
+0xb6: src.cpp:19 -> s...@src.cpp:13
+0xb7: src.cpp:19 -> s...@src.cpp:13
+0xb9: src.cpp:19 -> s...@src.cpp:14
+0xbe: src.cpp:19
+0xbf: src.cpp:19
+0xc1: src.cpp:19
+0xc6: src.cpp:19
+0xc7: src.cpp:19
+0xc9: src.cpp:19
+0xce: src.cpp:20 -> s...@src.cpp:2
+0xcf: src.cpp:20 -> s...@src.cpp:2
+0xd1: src.cpp:20 -> s...@src.cpp:2
+0xd6: src.cpp:21
+0xd7: src.cpp:21
+0xd9: src.cpp:21
+0xde: src.cpp:21
+*/
Index: lldb/unittests/Symbol/TestDWARFCallFrameInfo.cpp
===================================================================
--- lldb/unittests/Symbol/TestDWARFCallFrameInfo.cpp
+++ lldb/unittests/Symbol/TestDWARFCallFrameInfo.cpp
@@ -20,6 +20,7 @@
#include "lldb/Host/HostInfo.h"
#include "lldb/Symbol/DWARFCallFrameInfo.h"
#include "lldb/Utility/StreamString.h"
+#include "llvm/Testing/Support/Error.h"
#include "llvm/Support/FileUtilities.h"
#include "llvm/Support/Path.h"
@@ -47,17 +48,6 @@
void TestBasic(DWARFCallFrameInfo::Type type, llvm::StringRef symbol);
};
-#define ASSERT_NO_ERROR(x) \
- if (std::error_code ASSERT_NO_ERROR_ec = x) { \
- llvm::SmallString<128> MessageStorage; \
- llvm::raw_svector_ostream Message(MessageStorage); \
- Message << #x ": did not return errc::success.\n" \
- << "error number: " << ASSERT_NO_ERROR_ec.value() << "\n" \
- << "error message: " << ASSERT_NO_ERROR_ec.message() << "\n"; \
- GTEST_FATAL_FAILURE_(MessageStorage.c_str()); \
- } else { \
- }
-
namespace lldb_private {
static std::ostream &operator<<(std::ostream &OS, const UnwindPlan::Row &row) {
StreamString SS;
@@ -94,23 +84,12 @@
void DWARFCallFrameInfoTest::TestBasic(DWARFCallFrameInfo::Type type,
llvm::StringRef symbol) {
- std::string yaml = GetInputFilePath("basic-call-frame-info.yaml");
llvm::SmallString<128> obj;
-
ASSERT_NO_ERROR(llvm::sys::fs::createTemporaryFile(
"basic-call-frame-info-%%%%%%", "obj", obj));
llvm::FileRemover obj_remover(obj);
-
- llvm::StringRef args[] = {YAML2OBJ, yaml};
- llvm::StringRef obj_ref = obj;
- const llvm::Optional<llvm::StringRef> redirects[] = {llvm::None, obj_ref,
- llvm::None};
- ASSERT_EQ(0,
- llvm::sys::ExecuteAndWait(YAML2OBJ, args, llvm::None, redirects));
-
- uint64_t size;
- ASSERT_NO_ERROR(llvm::sys::fs::file_size(obj, size));
- ASSERT_GT(size, 0u);
+ ASSERT_THAT_ERROR(ReadYAMLObjectFile("basic-call-frame-info.yaml", obj),
+ llvm::Succeeded());
auto module_sp = std::make_shared<Module>(ModuleSpec(FileSpec(obj)));
SectionList *list = module_sp->GetSectionList();
Index: lldb/unittests/Symbol/Inputs/inlined-functions.yaml
===================================================================
--- /dev/null
+++ lldb/unittests/Symbol/Inputs/inlined-functions.yaml
@@ -0,0 +1,943 @@
+--- !mach-o
+FileHeader:
+ magic: 0xFEEDFACF
+ cputype: 0x01000007
+ cpusubtype: 0x00000003
+ filetype: 0x00000001
+ ncmds: 4
+ sizeofcmds: 1160
+ flags: 0x00002000
+ reserved: 0x00000000
+LoadCommands:
+ - cmd: LC_SEGMENT_64
+ cmdsize: 1032
+ segname: ''
+ vmaddr: 0
+ vmsize: 2022
+ fileoff: 1192
+ filesize: 2022
+ maxprot: 7
+ initprot: 7
+ nsects: 6
+ flags: 0
+ Sections:
+ - sectname: __text
+ segname: __TEXT
+ addr: 0x0000000000000000
+ size: 224
+ offset: 0x000004A8
+ align: 4
+ reloff: 0x00000C90
+ nreloc: 1
+ flags: 0x80000400
+ reserved1: 0x00000000
+ reserved2: 0x00000000
+ reserved3: 0x00000000
+ - sectname: __debug_str
+ segname: __DWARF
+ addr: 0x00000000000000E0
+ size: 223
+ offset: 0x00000588
+ align: 0
+ reloff: 0x00000000
+ nreloc: 0
+ flags: 0x02000000
+ reserved1: 0x00000000
+ reserved2: 0x00000000
+ reserved3: 0x00000000
+ - sectname: __debug_abbrev
+ segname: __DWARF
+ addr: 0x00000000000001BF
+ size: 190
+ offset: 0x00000667
+ align: 0
+ reloff: 0x00000000
+ nreloc: 0
+ flags: 0x02000000
+ reserved1: 0x00000000
+ reserved2: 0x00000000
+ reserved3: 0x00000000
+ - sectname: __debug_info
+ segname: __DWARF
+ addr: 0x000000000000027D
+ size: 583
+ offset: 0x00000725
+ align: 0
+ reloff: 0x00000C98
+ nreloc: 8
+ flags: 0x02000000
+ reserved1: 0x00000000
+ reserved2: 0x00000000
+ reserved3: 0x00000000
+ - sectname: __compact_unwind
+ segname: __LD
+ addr: 0x0000000000000670
+ size: 64
+ offset: 0x00000B18
+ align: 3
+ reloff: 0x00000CD8
+ nreloc: 2
+ flags: 0x02000000
+ reserved1: 0x00000000
+ reserved2: 0x00000000
+ reserved3: 0x00000000
+ - sectname: __debug_line
+ segname: __DWARF
+ addr: 0x0000000000000718
+ size: 206
+ offset: 0x00000BC0
+ align: 0
+ reloff: 0x00000CE8
+ nreloc: 1
+ flags: 0x02000000
+ reserved1: 0x00000000
+ reserved2: 0x00000000
+ reserved3: 0x00000000
+ - cmd: LC_BUILD_VERSION
+ cmdsize: 24
+ platform: 1
+ minos: 658944
+ sdk: 658944
+ ntools: 0
+ - cmd: LC_SYMTAB
+ cmdsize: 24
+ symoff: 3312
+ nsyms: 2
+ stroff: 3344
+ strsize: 20
+ - cmd: LC_DYSYMTAB
+ cmdsize: 80
+ ilocalsym: 0
+ nlocalsym: 0
+ iextdefsym: 0
+ nextdefsym: 2
+ iundefsym: 2
+ nundefsym: 0
+ tocoff: 0
+ ntoc: 0
+ modtaboff: 0
+ nmodtab: 0
+ extrefsymoff: 0
+ nextrefsyms: 0
+ indirectsymoff: 0
+ nindirectsyms: 0
+ extreloff: 0
+ nextrel: 0
+ locreloff: 0
+ nlocrel: 0
+LinkEditData:
+ NameList:
+ - n_strx: 7
+ n_type: 0x0F
+ n_sect: 1
+ n_desc: 0
+ n_value: 0
+ - n_strx: 1
+ n_type: 0x0F
+ n_sect: 1
+ n_desc: 0
+ n_value: 32
+ StringTable:
+ - ''
+ - _main
+ - __Z4sum3iii
+ - ''
+DWARF:
+ debug_str:
+ - 'Apple LLVM version 10.0.1 (clang-1001.0.46.3)'
+ - inlined-functions.cpp
+ - '/Users/aadsm/Projects/llvm-project/lldb/unittests/Symbol/Inputs'
+ - sum3
+ - _Z4sum3iii
+ - _Z4sum2ii
+ - sum2
+ - int
+ - a
+ - b
+ - result
+ - _Z4sum4iiii
+ - sum4
+ - c
+ - d
+ - main
+ - argc
+ - argv
+ - char
+ - sum
+ debug_abbrev:
+ - Code: 0x00000001
+ Tag: DW_TAG_compile_unit
+ Children: DW_CHILDREN_yes
+ Attributes:
+ - Attribute: DW_AT_producer
+ Form: DW_FORM_strp
+ - Attribute: DW_AT_language
+ Form: DW_FORM_data2
+ - Attribute: DW_AT_name
+ Form: DW_FORM_strp
+ - Attribute: DW_AT_stmt_list
+ Form: DW_FORM_sec_offset
+ - Attribute: DW_AT_comp_dir
+ Form: DW_FORM_strp
+ - Attribute: DW_AT_low_pc
+ Form: DW_FORM_addr
+ - Attribute: DW_AT_high_pc
+ Form: DW_FORM_data4
+ - Code: 0x00000002
+ Tag: DW_TAG_subprogram
+ Children: DW_CHILDREN_yes
+ Attributes:
+ - Attribute: DW_AT_low_pc
+ Form: DW_FORM_addr
+ - Attribute: DW_AT_high_pc
+ Form: DW_FORM_data4
+ - Attribute: DW_AT_frame_base
+ Form: DW_FORM_exprloc
+ - Attribute: DW_AT_linkage_name
+ Form: DW_FORM_strp
+ - Attribute: DW_AT_name
+ Form: DW_FORM_strp
+ - Attribute: DW_AT_decl_file
+ Form: DW_FORM_data1
+ - Attribute: DW_AT_decl_line
+ Form: DW_FORM_data1
+ - Attribute: DW_AT_type
+ Form: DW_FORM_ref4
+ - Attribute: DW_AT_external
+ Form: DW_FORM_flag_present
+ - Code: 0x00000003
+ Tag: DW_TAG_formal_parameter
+ Children: DW_CHILDREN_no
+ Attributes:
+ - Attribute: DW_AT_location
+ Form: DW_FORM_exprloc
+ - Attribute: DW_AT_name
+ Form: DW_FORM_strp
+ - Attribute: DW_AT_decl_file
+ Form: DW_FORM_data1
+ - Attribute: DW_AT_decl_line
+ Form: DW_FORM_data1
+ - Attribute: DW_AT_type
+ Form: DW_FORM_ref4
+ - Code: 0x00000004
+ Tag: DW_TAG_variable
+ Children: DW_CHILDREN_no
+ Attributes:
+ - Attribute: DW_AT_location
+ Form: DW_FORM_exprloc
+ - Attribute: DW_AT_name
+ Form: DW_FORM_strp
+ - Attribute: DW_AT_decl_file
+ Form: DW_FORM_data1
+ - Attribute: DW_AT_decl_line
+ Form: DW_FORM_data1
+ - Attribute: DW_AT_type
+ Form: DW_FORM_ref4
+ - Code: 0x00000005
+ Tag: DW_TAG_subprogram
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Index: lldb/unittests/Symbol/CMakeLists.txt
===================================================================
--- lldb/unittests/Symbol/CMakeLists.txt
+++ lldb/unittests/Symbol/CMakeLists.txt
@@ -4,17 +4,21 @@
TestClangASTContext.cpp
TestDWARFCallFrameInfo.cpp
TestType.cpp
+ TestLineEntry.cpp
LINK_LIBS
lldbHost
lldbSymbol
lldbUtilityHelpers
lldbPluginObjectFileELF
+ lldbPluginObjectFileMachO
+ lldbPluginSymbolVendorMacOSX
+ lldbPluginSymbolFileDWARF
+ LLVMTestingSupport
)
-add_dependencies(SymbolTests yaml2obj)
-add_definitions(-DYAML2OBJ="$<TARGET_FILE:yaml2obj>")
set(test_inputs
basic-call-frame-info.yaml
+ inlined-functions.yaml
)
add_unittest_inputs(SymbolTests "${test_inputs}")
Index: lldb/unittests/ObjectFile/ELF/TestObjectFileELF.cpp
===================================================================
--- lldb/unittests/ObjectFile/ELF/TestObjectFileELF.cpp
+++ lldb/unittests/ObjectFile/ELF/TestObjectFileELF.cpp
@@ -22,6 +22,7 @@
#include "llvm/Support/Path.h"
#include "llvm/Support/Program.h"
#include "llvm/Support/raw_ostream.h"
+#include "llvm/Testing/Support/Error.h"
#include "gtest/gtest.h"
using namespace lldb_private;
@@ -46,33 +47,14 @@
protected:
};
-#define ASSERT_NO_ERROR(x) \
- if (std::error_code ASSERT_NO_ERROR_ec = x) { \
- llvm::SmallString<128> MessageStorage; \
- llvm::raw_svector_ostream Message(MessageStorage); \
- Message << #x ": did not return errc::success.\n" \
- << "error number: " << ASSERT_NO_ERROR_ec.value() << "\n" \
- << "error message: " << ASSERT_NO_ERROR_ec.message() << "\n"; \
- GTEST_FATAL_FAILURE_(MessageStorage.c_str()); \
- } else { \
- }
-
TEST_F(ObjectFileELFTest, SectionsResolveConsistently) {
- std::string yaml = GetInputFilePath("sections-resolve-consistently.yaml");
llvm::SmallString<128> obj;
ASSERT_NO_ERROR(llvm::sys::fs::createTemporaryFile(
"sections-resolve-consistently-%%%%%%", "obj", obj));
-
llvm::FileRemover remover(obj);
- llvm::StringRef args[] = {YAML2OBJ, yaml};
- llvm::StringRef obj_ref = obj;
- const llvm::Optional<llvm::StringRef> redirects[] = {llvm::None, obj_ref,
- llvm::None};
- ASSERT_EQ(0,
- llvm::sys::ExecuteAndWait(YAML2OBJ, args, llvm::None, redirects));
- uint64_t size;
- ASSERT_NO_ERROR(llvm::sys::fs::file_size(obj, size));
- ASSERT_GT(size, 0u);
+ ASSERT_THAT_ERROR(
+ ReadYAMLObjectFile("sections-resolve-consistently.yaml", obj),
+ llvm::Succeeded());
ModuleSpec spec{FileSpec(obj)};
spec.GetSymbolFileSpec().SetFile(obj, FileSpec::Style::native);
@@ -155,21 +137,12 @@
}
TEST_F(ObjectFileELFTest, TestAARCH64Relocations) {
- std::string yaml = GetInputFilePath("debug-info-relocations.pcm.yaml");
llvm::SmallString<128> obj;
ASSERT_NO_ERROR(llvm::sys::fs::createTemporaryFile(
"debug-info-relocations-%%%%%%", "obj", obj));
-
llvm::FileRemover remover(obj);
- llvm::StringRef args[] = {YAML2OBJ, yaml};
- llvm::StringRef obj_ref = obj;
- const llvm::Optional<llvm::StringRef> redirects[] = {llvm::None, obj_ref,
- llvm::None};
- ASSERT_EQ(0,
- llvm::sys::ExecuteAndWait(YAML2OBJ, args, llvm::None, redirects));
- uint64_t size;
- ASSERT_NO_ERROR(llvm::sys::fs::file_size(obj, size));
- ASSERT_GT(size, 0u);
+ ASSERT_THAT_ERROR(ReadYAMLObjectFile("debug-info-relocations.pcm.yaml", obj),
+ llvm::Succeeded());
ModuleSpec spec{FileSpec(obj)};
spec.GetSymbolFileSpec().SetFile(obj, FileSpec::Style::native);
Index: lldb/unittests/ObjectFile/ELF/CMakeLists.txt
===================================================================
--- lldb/unittests/ObjectFile/ELF/CMakeLists.txt
+++ lldb/unittests/ObjectFile/ELF/CMakeLists.txt
@@ -6,11 +6,9 @@
lldbPluginSymbolVendorELF
lldbCore
lldbUtilityHelpers
+ LLVMTestingSupport
)
-add_dependencies(ObjectFileELFTests yaml2obj)
-add_definitions(-DYAML2OBJ="$<TARGET_FILE:yaml2obj>")
-
set(test_inputs
early-section-headers.so
debug-info-relocations.pcm.yaml
Index: lldb/unittests/Interpreter/TestCompletion.cpp
===================================================================
--- lldb/unittests/Interpreter/TestCompletion.cpp
+++ lldb/unittests/Interpreter/TestCompletion.cpp
@@ -15,6 +15,7 @@
#include "gtest/gtest.h"
#include "TestingSupport/MockTildeExpressionResolver.h"
+#include "TestingSupport/TestUtilities.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/Path.h"
@@ -25,17 +26,6 @@
using namespace llvm;
using namespace lldb_private;
-#define ASSERT_NO_ERROR(x) \
- if (std::error_code ASSERT_NO_ERROR_ec = x) { \
- SmallString<128> MessageStorage; \
- raw_svector_ostream Message(MessageStorage); \
- Message << #x ": did not return errc::success.\n" \
- << "error number: " << ASSERT_NO_ERROR_ec.value() << "\n" \
- << "error message: " << ASSERT_NO_ERROR_ec.message() << "\n"; \
- GTEST_FATAL_FAILURE_(MessageStorage.c_str()); \
- } else { \
- }
-
namespace {
class CompletionTest : public testing::Test {
Index: lldb/unittests/Core/MangledTest.cpp
===================================================================
--- lldb/unittests/Core/MangledTest.cpp
+++ lldb/unittests/Core/MangledTest.cpp
@@ -20,6 +20,7 @@
#include "llvm/Support/FileUtilities.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/Program.h"
+#include "llvm/Testing/Support/Error.h"
#include "gtest/gtest.h"
@@ -49,38 +50,18 @@
EXPECT_STREQ("", TheDemangled.GetCString());
}
-#define ASSERT_NO_ERROR(x) \
- if (std::error_code ASSERT_NO_ERROR_ec = x) { \
- llvm::SmallString<128> MessageStorage; \
- llvm::raw_svector_ostream Message(MessageStorage); \
- Message << #x ": did not return errc::success.\n" \
- << "error number: " << ASSERT_NO_ERROR_ec.value() << "\n" \
- << "error message: " << ASSERT_NO_ERROR_ec.message() << "\n"; \
- GTEST_FATAL_FAILURE_(MessageStorage.c_str()); \
- } else { \
- }
-
TEST(MangledTest, NameIndexes_FindFunctionSymbols) {
FileSystem::Initialize();
HostInfo::Initialize();
ObjectFileELF::Initialize();
SymbolVendorELF::Initialize();
- std::string Yaml = GetInputFilePath("mangled-function-names.yaml");
llvm::SmallString<128> Obj;
ASSERT_NO_ERROR(llvm::sys::fs::createTemporaryFile(
"mangled-function-names-%%%%%%", "obj", Obj));
-
llvm::FileRemover Deleter(Obj);
- llvm::StringRef Args[] = {YAML2OBJ, Yaml};
- llvm::StringRef ObjRef = Obj;
- const llvm::Optional<llvm::StringRef> redirects[] = {llvm::None, ObjRef,
- llvm::None};
- ASSERT_EQ(0,
- llvm::sys::ExecuteAndWait(YAML2OBJ, Args, llvm::None, redirects));
- uint64_t Size;
- ASSERT_NO_ERROR(llvm::sys::fs::file_size(Obj, Size));
- ASSERT_GT(Size, 0u);
+ ASSERT_THAT_ERROR(ReadYAMLObjectFile("mangled-function-names.yaml", Obj),
+ llvm::Succeeded());
ModuleSpec Spec{FileSpec(Obj)};
Spec.GetSymbolFileSpec().SetFile(Obj, FileSpec::Style::native);
Index: lldb/unittests/Core/CMakeLists.txt
===================================================================
--- lldb/unittests/Core/CMakeLists.txt
+++ lldb/unittests/Core/CMakeLists.txt
@@ -10,13 +10,11 @@
lldbPluginObjectFileELF
lldbPluginSymbolVendorELF
lldbUtilityHelpers
+ LLVMTestingSupport
LINK_COMPONENTS
Support
)
-add_dependencies(LLDBCoreTests yaml2obj)
-add_definitions(-DYAML2OBJ="$<TARGET_FILE:yaml2obj>")
-
set(test_inputs
mangled-function-names.yaml
)
Index: lldb/tools/lldb-test/lldb-test.cpp
===================================================================
--- lldb/tools/lldb-test/lldb-test.cpp
+++ lldb/tools/lldb-test/lldb-test.cpp
@@ -364,8 +364,10 @@
cu_sp->FindLineEntry(0, Line, &src_file, false, &le);
if (!le.IsValid())
continue;
-
- auto addr = le.GetSameLineContiguousAddressRange().GetBaseAddress();
+ const bool include_inlined_functions = false;
+ auto addr =
+ le.GetSameLineContiguousAddressRange(include_inlined_functions)
+ .GetBaseAddress();
if (!addr.IsValid())
continue;
@@ -414,8 +416,9 @@
cu_sp->FindLineEntry(0, Line, &src_file, false, &le);
if (!le.IsValid())
continue;
-
- auto addr = le.GetSameLineContiguousAddressRange().GetBaseAddress();
+ const bool include_inlined_functions = false;
+ auto addr = le.GetSameLineContiguousAddressRange(include_inlined_functions)
+ .GetBaseAddress();
if (!addr.IsValid())
continue;
Index: lldb/source/Target/ThreadPlanStepRange.cpp
===================================================================
--- lldb/source/Target/ThreadPlanStepRange.cpp
+++ lldb/source/Target/ThreadPlanStepRange.cpp
@@ -126,8 +126,10 @@
new_context.line_entry.original_file) {
if (m_addr_context.line_entry.line == new_context.line_entry.line) {
m_addr_context = new_context;
- AddRange(
- m_addr_context.line_entry.GetSameLineContiguousAddressRange());
+ const bool include_inlined_functions =
+ GetKind() == eKindStepOverRange;
+ AddRange(m_addr_context.line_entry.GetSameLineContiguousAddressRange(
+ include_inlined_functions));
ret_value = true;
if (log) {
StreamString s;
@@ -142,8 +144,10 @@
} else if (new_context.line_entry.line == 0) {
new_context.line_entry.line = m_addr_context.line_entry.line;
m_addr_context = new_context;
- AddRange(
- m_addr_context.line_entry.GetSameLineContiguousAddressRange());
+ const bool include_inlined_functions =
+ GetKind() == eKindStepOverRange;
+ AddRange(m_addr_context.line_entry.GetSameLineContiguousAddressRange(
+ include_inlined_functions));
ret_value = true;
if (log) {
StreamString s;
Index: lldb/source/Target/ThreadPlanStepOut.cpp
===================================================================
--- lldb/source/Target/ThreadPlanStepOut.cpp
+++ lldb/source/Target/ThreadPlanStepOut.cpp
@@ -110,8 +110,9 @@
return_address_decr_pc.CalculateSymbolContext(
&return_address_sc, lldb::eSymbolContextLineEntry);
if (return_address_sc.line_entry.IsValid()) {
- range =
- return_address_sc.line_entry.GetSameLineContiguousAddressRange();
+ const bool include_inlined_functions = false;
+ range = return_address_sc.line_entry.GetSameLineContiguousAddressRange(
+ include_inlined_functions);
if (range.GetByteSize() > 0) {
return_address =
m_thread.GetProcess()->AdvanceAddressToNextBranchInstruction(
Index: lldb/source/Target/Thread.cpp
===================================================================
--- lldb/source/Target/Thread.cpp
+++ lldb/source/Target/Thread.cpp
@@ -1395,10 +1395,12 @@
bool abort_other_plans, const LineEntry &line_entry,
const SymbolContext &addr_context, lldb::RunMode stop_other_threads,
Status &status, LazyBool step_out_avoids_code_withoug_debug_info) {
+ const bool include_inlined_functions = true;
+ auto address_range =
+ line_entry.GetSameLineContiguousAddressRange(include_inlined_functions);
return QueueThreadPlanForStepOverRange(
- abort_other_plans, line_entry.GetSameLineContiguousAddressRange(),
- addr_context, stop_other_threads, status,
- step_out_avoids_code_withoug_debug_info);
+ abort_other_plans, address_range, addr_context, stop_other_threads,
+ status, step_out_avoids_code_withoug_debug_info);
}
ThreadPlanSP Thread::QueueThreadPlanForStepInRange(
@@ -1428,8 +1430,10 @@
lldb::RunMode stop_other_threads, Status &status,
LazyBool step_in_avoids_code_without_debug_info,
LazyBool step_out_avoids_code_without_debug_info) {
+ const bool include_inlined_functions = false;
return QueueThreadPlanForStepInRange(
- abort_other_plans, line_entry.GetSameLineContiguousAddressRange(),
+ abort_other_plans,
+ line_entry.GetSameLineContiguousAddressRange(include_inlined_functions),
addr_context, step_in_target, stop_other_threads, status,
step_in_avoids_code_without_debug_info,
step_out_avoids_code_without_debug_info);
Index: lldb/source/Symbol/LineEntry.cpp
===================================================================
--- lldb/source/Symbol/LineEntry.cpp
+++ lldb/source/Symbol/LineEntry.cpp
@@ -190,40 +190,62 @@
return FileSpec::Compare(a.file, b.file, true);
}
-AddressRange LineEntry::GetSameLineContiguousAddressRange() const {
+AddressRange LineEntry::GetSameLineContiguousAddressRange(
+ bool include_inlined_functions) const {
// Add each LineEntry's range to complete_line_range until we find a
// different file / line number.
AddressRange complete_line_range = range;
+ auto symbol_context_scope = lldb::eSymbolContextLineEntry;
+ Declaration start_call_site(original_file, line);
+ if (include_inlined_functions)
+ symbol_context_scope |= lldb::eSymbolContextBlock;
while (true) {
SymbolContext next_line_sc;
Address range_end(complete_line_range.GetBaseAddress());
range_end.Slide(complete_line_range.GetByteSize());
- range_end.CalculateSymbolContext(&next_line_sc,
- lldb::eSymbolContextLineEntry);
+ range_end.CalculateSymbolContext(&next_line_sc, symbol_context_scope);
- if (next_line_sc.line_entry.IsValid() &&
- next_line_sc.line_entry.range.GetByteSize() > 0 &&
- original_file == next_line_sc.line_entry.original_file) {
+ if (!next_line_sc.line_entry.IsValid() ||
+ next_line_sc.line_entry.range.GetByteSize() == 0)
+ break;
+
+ if (original_file == next_line_sc.line_entry.original_file &&
+ (next_line_sc.line_entry.line == 0 ||
+ line == next_line_sc.line_entry.line)) {
// Include any line 0 entries - they indicate that this is compiler-
// generated code that does not correspond to user source code.
- if (next_line_sc.line_entry.line == 0) {
- complete_line_range.SetByteSize(
- complete_line_range.GetByteSize() +
- next_line_sc.line_entry.range.GetByteSize());
- continue;
- }
-
- if (line == next_line_sc.line_entry.line) {
- // next_line_sc is the same file & line as this LineEntry, so extend
- // our AddressRange by its size and continue to see if there are more
- // LineEntries that we can combine.
- complete_line_range.SetByteSize(
- complete_line_range.GetByteSize() +
- next_line_sc.line_entry.range.GetByteSize());
- continue;
- }
+ // next_line_sc is the same file & line as this LineEntry, so extend
+ // our AddressRange by its size and continue to see if there are more
+ // LineEntries that we can combine. However, if there was nothing to
+ // extend we're done.
+ if (!complete_line_range.Extend(next_line_sc.line_entry.range))
+ break;
+ continue;
+ }
+
+ if (include_inlined_functions && next_line_sc.block &&
+ next_line_sc.block->GetContainingInlinedBlock() != nullptr) {
+ // The next_line_sc might be in a different file if it's an inlined
+ // function. If this is the case then we still want to expand our line
+ // range to include them if the inlined function is at the same call site
+ // as this line entry. The current block could represent a nested inline
+ // function call so we need to need to check up the block tree to see if
+ // we find one.
+ auto inlined_parent_block =
+ next_line_sc.block->GetContainingInlinedBlockWithCallSite(
+ start_call_site);
+ if (!inlined_parent_block)
+ // We didn't find any parent inlined block with a call site at this line
+ // entry so this inlined function is probably at another line.
+ break;
+ // Extend our AddressRange by the size of the inlined block, but if there
+ // was nothing to add then we're done.
+ if (!complete_line_range.Extend(next_line_sc.line_entry.range))
+ break;
+ continue;
}
+
break;
}
return complete_line_range;
Index: lldb/source/Symbol/Declaration.cpp
===================================================================
--- lldb/source/Symbol/Declaration.cpp
+++ lldb/source/Symbol/Declaration.cpp
@@ -83,6 +83,11 @@
return 0;
}
+bool Declaration::FileAndLineEqual(const Declaration &declaration) const {
+ int file_compare = FileSpec::Compare(this->m_file, declaration.m_file, true);
+ return file_compare == 0 && this->m_line == declaration.m_line;
+}
+
bool lldb_private::operator==(const Declaration &lhs, const Declaration &rhs) {
#ifdef LLDB_ENABLE_DECLARATION_COLUMNS
if (lhs.GetColumn() == rhs.GetColumn())
Index: lldb/source/Symbol/Block.cpp
===================================================================
--- lldb/source/Symbol/Block.cpp
+++ lldb/source/Symbol/Block.cpp
@@ -212,6 +212,21 @@
return nullptr;
}
+Block *Block::GetContainingInlinedBlockWithCallSite(
+ const Declaration &find_call_site) {
+ auto inlined_block = GetContainingInlinedBlock();
+
+ while (inlined_block) {
+ auto function_info = inlined_block->GetInlinedFunctionInfo();
+
+ if (function_info &&
+ function_info->GetCallSite().FileAndLineEqual(find_call_site))
+ return inlined_block;
+ inlined_block = inlined_block->GetInlinedParent();
+ }
+ return nullptr;
+}
+
bool Block::GetRangeContainingOffset(const addr_t offset, Range &range) {
const Range *range_ptr = m_ranges.FindEntryThatContains(offset);
if (range_ptr) {
Index: lldb/source/Core/AddressRange.cpp
===================================================================
--- lldb/source/Core/AddressRange.cpp
+++ lldb/source/Core/AddressRange.cpp
@@ -122,6 +122,24 @@
return false;
}
+bool AddressRange::Extend(const AddressRange &rhs_range) {
+ addr_t lhs_end_addr = GetBaseAddress().GetFileAddress() + GetByteSize();
+ addr_t rhs_base_addr = rhs_range.GetBaseAddress().GetFileAddress();
+
+ if (!ContainsFileAddress(rhs_range.GetBaseAddress()) &&
+ lhs_end_addr != rhs_base_addr)
+ // The ranges don't intersect at all on the right side of this range.
+ return false;
+
+ addr_t rhs_end_addr = rhs_base_addr + rhs_range.GetByteSize();
+ if (lhs_end_addr >= rhs_end_addr)
+ // The rhs range totally overlaps this one, nothing to add.
+ return false;
+
+ m_byte_size += rhs_end_addr - lhs_end_addr;
+ return true;
+}
+
void AddressRange::Clear() {
m_base_addr.Clear();
m_byte_size = 0;
Index: lldb/include/lldb/Symbol/LineEntry.h
===================================================================
--- lldb/include/lldb/Symbol/LineEntry.h
+++ lldb/include/lldb/Symbol/LineEntry.h
@@ -123,13 +123,21 @@
/// LineEntry (and it will include the range of the following LineEntries
/// that match either 32 or 0.)
///
+ /// When \b include_inlined_functions is \b true inlined functions with
+ /// a call site at this LineEntry will also be included in the complete
+ /// range.
+ ///
/// If the initial LineEntry this method is called on is a line #0, only the
/// range of contiuous LineEntries with line #0 will be included in the
/// complete range.
///
+ /// @param[in] include_inlined_functions
+ /// Whether to include inlined functions at the same line or not.
+ ///
/// \return
/// The contiguous AddressRange for this source line.
- AddressRange GetSameLineContiguousAddressRange() const;
+ AddressRange
+ GetSameLineContiguousAddressRange(bool include_inlined_functions) const;
/// Apply file mappings from target.source-map to the LineEntry's file.
///
Index: lldb/include/lldb/Symbol/Declaration.h
===================================================================
--- lldb/include/lldb/Symbol/Declaration.h
+++ lldb/include/lldb/Symbol/Declaration.h
@@ -107,6 +107,17 @@
/// \li 1 if lhs > rhs
static int Compare(const Declaration &lhs, const Declaration &rhs);
+ /// Checks if this object has the same file and line as another declaration
+ /// object.
+ ///
+ /// \param[in] declaration
+ /// The const Declaration object to compare with.
+ ///
+ /// \return
+ /// Returns \b true if \b declaration is at the same file and
+ /// line, \b false otherwise.
+ bool FileAndLineEqual(const Declaration &declaration) const;
+
/// Dump a description of this object to a Stream.
///
/// Dump a description of the contents of this object to the supplied stream
Index: lldb/include/lldb/Symbol/Block.h
===================================================================
--- lldb/include/lldb/Symbol/Block.h
+++ lldb/include/lldb/Symbol/Block.h
@@ -185,6 +185,22 @@
/// parent.
Block *GetInlinedParent();
+ //------------------------------------------------------------------
+ /// Get the inlined block at the given call site that contains this block.
+ ///
+ /// @param[in] find_call_site
+ /// a declaration with the file and line of the call site to find.
+ ///
+ /// @return
+ /// If this block contains inlined function info and is at the call
+ /// site given by the file and line at the given \b declaration, then
+ /// it will return this block, otherwise the parent blocks will be
+ /// searched to see if any is at the call site. nullptr will be returned
+ /// if no block is found at the call site.
+ //------------------------------------------------------------------
+ Block *
+ GetContainingInlinedBlockWithCallSite(const Declaration &find_call_site);
+
/// Get the sibling block for this block.
///
/// \return
Index: lldb/include/lldb/Core/AddressRange.h
===================================================================
--- lldb/include/lldb/Core/AddressRange.h
+++ lldb/include/lldb/Core/AddressRange.h
@@ -163,6 +163,20 @@
/// range, \b false otherwise.
bool ContainsLoadAddress(lldb::addr_t load_addr, Target *target) const;
+ //------------------------------------------------------------------
+ /// Extends this range with \b rhs_range if it overlaps this range on the
+ /// right side. The range overlaps on the right side if the base address
+ /// of \b rhs_range lies within this range or if it's contiguous on its
+ /// right side.
+ ///
+ /// @param[in] rhs_range
+ /// The range to extend at the right side.
+ ///
+ /// @return
+ /// Returns \b true if this range was extended, \b false otherwise.
+ //------------------------------------------------------------------
+ bool Extend(const AddressRange &rhs_range);
+
/// Dump a description of this object to a Stream.
///
/// Dump a description of the contents of this object to the supplied stream
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