zequanwu updated this revision to Diff 385903.
zequanwu marked an inline comment as done.
zequanwu added a comment.
Use empty callsite_file or name if index is out of range.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D113330/new/
https://reviews.llvm.org/D113330
Files:
lldb/include/lldb/Symbol/Block.h
lldb/source/Plugins/ObjectFile/Breakpad/BreakpadRecords.cpp
lldb/source/Plugins/ObjectFile/Breakpad/BreakpadRecords.h
lldb/source/Plugins/ObjectFile/Breakpad/ObjectFileBreakpad.cpp
lldb/source/Plugins/SymbolFile/Breakpad/SymbolFileBreakpad.cpp
lldb/source/Plugins/SymbolFile/Breakpad/SymbolFileBreakpad.h
lldb/source/Symbol/Block.cpp
lldb/test/Shell/SymbolFile/Breakpad/Inputs/inline-record.syms
lldb/test/Shell/SymbolFile/Breakpad/inline-record.test
lldb/unittests/ObjectFile/Breakpad/BreakpadRecordsTest.cpp
Index: lldb/unittests/ObjectFile/Breakpad/BreakpadRecordsTest.cpp
===================================================================
--- lldb/unittests/ObjectFile/Breakpad/BreakpadRecordsTest.cpp
+++ lldb/unittests/ObjectFile/Breakpad/BreakpadRecordsTest.cpp
@@ -18,6 +18,8 @@
EXPECT_EQ(Record::Info, Record::classify("INFO"));
EXPECT_EQ(Record::File, Record::classify("FILE"));
EXPECT_EQ(Record::Func, Record::classify("FUNC"));
+ EXPECT_EQ(Record::Inline, Record::classify("INLINE"));
+ EXPECT_EQ(Record::InlineOrigin, Record::classify("INLINE_ORIGIN"));
EXPECT_EQ(Record::Public, Record::classify("PUBLIC"));
EXPECT_EQ(Record::StackCFI, Record::classify("STACK CFI"));
EXPECT_EQ(Record::StackWin, Record::classify("STACK WIN"));
@@ -76,6 +78,27 @@
EXPECT_EQ(llvm::None, FuncRecord::parse("FUNC"));
}
+TEST(InlineOriginRecord, parse) {
+ EXPECT_EQ(InlineOriginRecord(47, "foo"),
+ InlineOriginRecord::parse("INLINE_ORIGIN 47 foo"));
+ EXPECT_EQ(llvm::None, InlineOriginRecord::parse("INLINE_ORIGIN 47"));
+ EXPECT_EQ(llvm::None, InlineOriginRecord::parse("INLINE_ORIGIN"));
+ EXPECT_EQ(llvm::None, InlineOriginRecord::parse(""));
+}
+
+TEST(InlineRecord, parse) {
+ InlineRecord record1 = InlineRecord(0, 1, 2, 3);
+ record1.Ranges.emplace_back(4, 5);
+ EXPECT_EQ(record1, InlineRecord::parse("INLINE 0 1 2 3 4 5"));
+ record1.Ranges.emplace_back(6, 7);
+ EXPECT_EQ(record1, InlineRecord::parse("INLINE 0 1 2 3 4 5 6 7"));
+ EXPECT_EQ(llvm::None, InlineRecord::parse("INLINE 0 1 2 3"));
+ EXPECT_EQ(llvm::None, InlineRecord::parse("INLINE 0 1 2 3 4 5 6"));
+ EXPECT_EQ(llvm::None, InlineRecord::parse("INLNIE 0"));
+ EXPECT_EQ(llvm::None, InlineRecord::parse(""));
+ EXPECT_EQ(llvm::None, InlineRecord::parse("FUNC"));
+}
+
TEST(LineRecord, parse) {
EXPECT_EQ(LineRecord(0x47, 0x74, 47, 74), LineRecord::parse("47 74 47 74"));
EXPECT_EQ(llvm::None, LineRecord::parse("47 74 47"));
Index: lldb/test/Shell/SymbolFile/Breakpad/inline-record.test
===================================================================
--- /dev/null
+++ lldb/test/Shell/SymbolFile/Breakpad/inline-record.test
@@ -0,0 +1,29 @@
+# RUN: yaml2obj %S/Inputs/basic-elf.yaml -o %T/inline-record.out
+# RUN: %lldb %T/inline-record.out -o "target symbols add -s inline-record.out %S/Inputs/inline-record.syms" \
+# RUN: -s %s | FileCheck %s
+
+# CHECK-LABEL: (lldb) image lookup -a 0x400010 -v
+# CHECK: Function: id = {0x00000000}, name = "f1", range = [0x0000000000400010-0x0000000000400020)
+# CHECK-NEXT: Blocks: id = {0x00000000}, range = [0x00400010-0x00400020)
+# CHECK-NEXT: id = {0x00000010}, ranges = [0x00400010-0x00400015)[0x00400017-0x0040001b), name = "inlined_f1"
+
+# CHECK-LABEL: (lldb) image lookup -a 0x400016 -v
+# CHECK: Function: id = {0x00000000}, name = "f1", range = [0x0000000000400010-0x0000000000400020)
+# CHECK-NEXT: Blocks: id = {0x00000000}, range = [0x00400010-0x00400020)
+
+# CHECK-LABEL: (lldb) image lookup -a 0x400023 -v
+# CHECK: Function: id = {0x00000001}, name = "f2", range = [0x0000000000400020-0x0000000000400030)
+# CHECK-NEXT: Blocks: id = {0x00000001}, range = [0x00400020-0x00400030)
+# CHECK-NEXT: id = {0x00000043}, range = [0x00400023-0x0040002d), name = "inlined_f1"
+# CHECK-NEXT: id = {0x00000057}, range = [0x00400023-0x00400028), name = "inlined_f2"
+
+# CHECK-LABEL: (lldb) image lookup -a 0x400029 -v
+# CHECK: Function: id = {0x00000001}, name = "f2", range = [0x0000000000400020-0x0000000000400030)
+# CHECK-NEXT: Blocks: id = {0x00000001}, range = [0x00400020-0x00400030)
+# CHECK-NEXT: id = {0x00000043}, range = [0x00400023-0x0040002d), name = "inlined_f1"
+
+image lookup -a 0x400010 -v
+image lookup -a 0x400016 -v
+image lookup -a 0x400023 -v
+image lookup -a 0x400029 -v
+exit
Index: lldb/test/Shell/SymbolFile/Breakpad/Inputs/inline-record.syms
===================================================================
--- /dev/null
+++ lldb/test/Shell/SymbolFile/Breakpad/Inputs/inline-record.syms
@@ -0,0 +1,13 @@
+MODULE Linux x86_64 761550E08086333960A9074A9CE2895C0 a.out
+INFO CODE_ID E05015768680393360A9074A9CE2895C
+FILE 0 /tmp/a.c
+FILE 1 /tmp/b.c
+INLINE_ORIGIN 0 inlined_f1
+INLINE_ORIGIN 1 inlined_f2
+FUNC 10 10 0 f1
+INLINE 0 8 0 0 10 5 17 4
+10 10 3 0
+FUNC 20 10 0 f2
+INLINE 0 3 0 0 23 a
+INLINE 1 4 1 1 23 5
+20 10 2 1
Index: lldb/source/Symbol/Block.cpp
===================================================================
--- lldb/source/Symbol/Block.cpp
+++ lldb/source/Symbol/Block.cpp
@@ -122,6 +122,16 @@
return matching_block;
}
+Block *Block::FindInnermostBlockByOffset(const lldb::addr_t offset) {
+ if (!Contains(offset))
+ return nullptr;
+ for (const BlockSP &block_sp : m_children) {
+ if (Block *block = block_sp->FindInnermostBlockByOffset(offset))
+ return block;
+ }
+ return this;
+}
+
void Block::CalculateSymbolContext(SymbolContext *sc) {
if (m_parent_scope)
m_parent_scope->CalculateSymbolContext(sc);
Index: lldb/source/Plugins/SymbolFile/Breakpad/SymbolFileBreakpad.h
===================================================================
--- lldb/source/Plugins/SymbolFile/Breakpad/SymbolFileBreakpad.h
+++ lldb/source/Plugins/SymbolFile/Breakpad/SymbolFileBreakpad.h
@@ -81,7 +81,7 @@
return false;
}
- size_t ParseBlocksRecursive(Function &func) override { return 0; }
+ size_t ParseBlocksRecursive(Function &func) override;
void FindGlobalVariables(ConstString name,
const CompilerDeclContext &parent_decl_ctx,
@@ -223,11 +223,13 @@
UnwindPlan::Row &row);
lldb::UnwindPlanSP ParseWinUnwindPlan(const Bookmark &bookmark,
const RegisterInfoResolver &resolver);
+ void ParseInlineOriginRecords();
using CompUnitMap = RangeDataVector<lldb::addr_t, lldb::addr_t, CompUnitData>;
llvm::Optional<std::vector<FileSpec>> m_files;
llvm::Optional<CompUnitMap> m_cu_data;
+ llvm::Optional<std::vector<llvm::StringRef>> m_inline_origins;
using UnwindMap = RangeDataVector<lldb::addr_t, lldb::addr_t, Bookmark>;
struct UnwindData {
Index: lldb/source/Plugins/SymbolFile/Breakpad/SymbolFileBreakpad.cpp
===================================================================
--- lldb/source/Plugins/SymbolFile/Breakpad/SymbolFileBreakpad.cpp
+++ lldb/source/Plugins/SymbolFile/Breakpad/SymbolFileBreakpad.cpp
@@ -204,6 +204,10 @@
End(*m_objfile_sp);
assert(Record::classify(*It) == Record::Func);
++It; // Skip FUNC record.
+ // Skip INLINE records.
+ while (It != End && Record::classify(*It) == Record::Inline)
+ ++It;
+
if (It != End) {
auto record = LineRecord::parse(*It);
if (record && record->FileNum < m_files->size())
@@ -280,13 +284,88 @@
return true;
}
+size_t SymbolFileBreakpad::ParseBlocksRecursive(Function &func) {
+ std::lock_guard<std::recursive_mutex> guard(GetModuleMutex());
+ CompileUnit *comp_unit = func.GetCompileUnit();
+ lldbassert(comp_unit);
+ ParseInlineOriginRecords();
+ // A vector of current each level's parent block. For example, when parsing
+ // "INLINE 0 ...", the current level is 0 and its parent block is the
+ // funciton block at index 0.
+ std::vector<Block *> blocks;
+ Block &block = func.GetBlock(false);
+ block.AddRange(Block::Range(0, func.GetAddressRange().GetByteSize()));
+ blocks.push_back(&block);
+
+ size_t blocks_added = 0;
+ addr_t func_base = func.GetAddressRange().GetBaseAddress().GetOffset();
+ CompUnitData &data = m_cu_data->GetEntryRef(comp_unit->GetID()).data;
+ LineIterator It(*m_objfile_sp, Record::Func, data.bookmark),
+ End(*m_objfile_sp);
+ ++It; // Skip the FUNC record.
+ size_t last_added_nest_level = 0;
+ while (It != End && Record::classify(*It) == Record::Inline) {
+ if (auto record = InlineRecord::parse(*It)) {
+ if (record->InlineNestLevel == 0 ||
+ record->InlineNestLevel <= last_added_nest_level + 1) {
+ last_added_nest_level = record->InlineNestLevel;
+ BlockSP block_sp = std::make_shared<Block>(It.GetBookmark().offset);
+ FileSpec callsite_file;
+ if (record->CallSiteFileNum < m_files->size())
+ callsite_file = (*m_files)[record->CallSiteFileNum];
+ llvm::StringRef name;
+ if (record->OriginNum < m_inline_origins->size())
+ name = (*m_inline_origins)[record->OriginNum];
+
+ Declaration callsite(callsite_file, record->CallSiteLineNum);
+ block_sp->SetInlinedFunctionInfo(name.str().c_str(),
+ /*mangled=*/nullptr,
+ /*decl_ptr=*/nullptr, &callsite);
+ for (const auto &range : record->Ranges) {
+ block_sp->AddRange(
+ Block::Range(range.first - func_base, range.second));
+ }
+ block_sp->FinalizeRanges();
+
+ blocks[record->InlineNestLevel]->AddChild(block_sp);
+ if (record->InlineNestLevel + 1 >= blocks.size()) {
+ blocks.resize(blocks.size() + 1);
+ }
+ blocks[record->InlineNestLevel + 1] = block_sp.get();
+ ++blocks_added;
+ }
+ }
+ ++It;
+ }
+ return blocks_added;
+}
+
+void SymbolFileBreakpad::ParseInlineOriginRecords() {
+ if (m_inline_origins)
+ return;
+ m_inline_origins.emplace();
+
+ Log *log = GetLogIfAllCategoriesSet(LIBLLDB_LOG_SYMBOLS);
+ for (llvm::StringRef line : lines(Record::InlineOrigin)) {
+ auto record = InlineOriginRecord::parse(line);
+ if (!record) {
+ LLDB_LOG(log, "Failed to parse: {0}. Skipping record.", line);
+ continue;
+ }
+
+ if (record->Number >= m_inline_origins->size())
+ m_inline_origins->resize(record->Number + 1);
+ (*m_inline_origins)[record->Number] = record->Name;
+ }
+}
+
uint32_t
SymbolFileBreakpad::ResolveSymbolContext(const Address &so_addr,
SymbolContextItem resolve_scope,
SymbolContext &sc) {
std::lock_guard<std::recursive_mutex> guard(GetModuleMutex());
if (!(resolve_scope & (eSymbolContextCompUnit | eSymbolContextLineEntry |
- eSymbolContextFunction)))
+ eSymbolContextFunction | eSymbolContextBlock)))
return 0;
ParseCUData();
@@ -303,11 +382,20 @@
result |= eSymbolContextLineEntry;
}
}
- if (resolve_scope & eSymbolContextFunction) {
+
+ if (resolve_scope & (eSymbolContextFunction | eSymbolContextBlock)) {
FunctionSP func_sp = GetOrCreateFunction(*sc.comp_unit);
if (func_sp) {
sc.function = func_sp.get();
result |= eSymbolContextFunction;
+ if (resolve_scope & eSymbolContextBlock) {
+ Block &block = func_sp->GetBlock(true);
+ sc.block = block.FindInnermostBlockByOffset(
+ so_addr.GetFileAddress() -
+ sc.function->GetAddressRange().GetBaseAddress().GetFileAddress());
+ if (sc.block)
+ result |= eSymbolContextBlock;
+ }
}
}
@@ -773,6 +861,10 @@
End(*m_objfile_sp);
assert(Record::classify(*It) == Record::Func);
for (++It; It != End; ++It) {
+ // Skip INLINE records
+ if (Record::classify(*It) == Record::Inline)
+ continue;
+
auto record = LineRecord::parse(*It);
if (!record)
break;
Index: lldb/source/Plugins/ObjectFile/Breakpad/ObjectFileBreakpad.cpp
===================================================================
--- lldb/source/Plugins/ObjectFile/Breakpad/ObjectFileBreakpad.cpp
+++ lldb/source/Plugins/ObjectFile/Breakpad/ObjectFileBreakpad.cpp
@@ -148,9 +148,9 @@
std::tie(line, text) = text.split('\n');
llvm::Optional<Record::Kind> next_section = Record::classify(line);
- if (next_section == Record::Line) {
- // Line records logically belong to the preceding Func record, so we put
- // them in the same section.
+ if (next_section == Record::Line || next_section == Record::Inline) {
+ // Line/Inline records logically belong to the preceding Func record, so
+ // we put them in the same section.
next_section = Record::Func;
}
if (next_section == current_section)
Index: lldb/source/Plugins/ObjectFile/Breakpad/BreakpadRecords.h
===================================================================
--- lldb/source/Plugins/ObjectFile/Breakpad/BreakpadRecords.h
+++ lldb/source/Plugins/ObjectFile/Breakpad/BreakpadRecords.h
@@ -20,7 +20,18 @@
class Record {
public:
- enum Kind { Module, Info, File, Func, Line, Public, StackCFI, StackWin };
+ enum Kind {
+ Module,
+ Info,
+ File,
+ Func,
+ Inline,
+ InlineOrigin,
+ Line,
+ Public,
+ StackCFI,
+ StackWin
+ };
/// Attempt to guess the kind of the record present in the argument without
/// doing a full parse. The returned kind will always be correct for valid
@@ -89,6 +100,23 @@
}
llvm::raw_ostream &operator<<(llvm::raw_ostream &OS, const FileRecord &R);
+class InlineOriginRecord : public Record {
+public:
+ static llvm::Optional<InlineOriginRecord> parse(llvm::StringRef Line);
+ InlineOriginRecord(size_t Number, llvm::StringRef Name)
+ : Record(InlineOrigin), Number(Number), Name(Name) {}
+
+ size_t Number;
+ llvm::StringRef Name;
+};
+
+inline bool operator==(const InlineOriginRecord &L,
+ const InlineOriginRecord &R) {
+ return L.Number == R.Number && L.Name == R.Name;
+}
+llvm::raw_ostream &operator<<(llvm::raw_ostream &OS,
+ const InlineOriginRecord &R);
+
class FuncRecord : public Record {
public:
static llvm::Optional<FuncRecord> parse(llvm::StringRef Line);
@@ -107,6 +135,26 @@
bool operator==(const FuncRecord &L, const FuncRecord &R);
llvm::raw_ostream &operator<<(llvm::raw_ostream &OS, const FuncRecord &R);
+class InlineRecord : public Record {
+public:
+ static llvm::Optional<InlineRecord> parse(llvm::StringRef Line);
+ InlineRecord(size_t InlineNestLevel, uint32_t CallSiteLineNum,
+ size_t CallSiteFileNum, size_t OriginNum)
+ : Record(Inline), InlineNestLevel(InlineNestLevel),
+ CallSiteLineNum(CallSiteLineNum), CallSiteFileNum(CallSiteFileNum),
+ OriginNum(OriginNum) {}
+
+ size_t InlineNestLevel;
+ uint32_t CallSiteLineNum;
+ size_t CallSiteFileNum;
+ size_t OriginNum;
+ // A vector of address range covered by this inline
+ std::vector<std::pair<lldb::addr_t, lldb::addr_t>> Ranges;
+};
+
+bool operator==(const InlineRecord &L, const InlineRecord &R);
+llvm::raw_ostream &operator<<(llvm::raw_ostream &OS, const InlineRecord &R);
+
class LineRecord : public Record {
public:
static llvm::Optional<LineRecord> parse(llvm::StringRef Line);
Index: lldb/source/Plugins/ObjectFile/Breakpad/BreakpadRecords.cpp
===================================================================
--- lldb/source/Plugins/ObjectFile/Breakpad/BreakpadRecords.cpp
+++ lldb/source/Plugins/ObjectFile/Breakpad/BreakpadRecords.cpp
@@ -23,6 +23,8 @@
CodeID,
File,
Func,
+ Inline,
+ InlineOrigin,
Public,
Stack,
CFI,
@@ -41,6 +43,8 @@
.Case("CODE_ID", Token::CodeID)
.Case("FILE", Token::File)
.Case("FUNC", Token::Func)
+ .Case("INLINE", Token::Inline)
+ .Case("INLINE_ORIGIN", Token::InlineOrigin)
.Case("PUBLIC", Token::Public)
.Case("STACK", Token::Stack)
.Case("CFI", Token::CFI)
@@ -145,7 +149,10 @@
default:
return llvm::None;
}
-
+ case Token::Inline:
+ return Record::Inline;
+ case Token::InlineOrigin:
+ return Record::InlineOrigin;
case Token::Unknown:
// Optimistically assume that any unrecognised token means this is a line
// record, those don't have a special keyword and start directly with a
@@ -216,9 +223,11 @@
return OS << "INFO CODE_ID " << R.ID.GetAsString();
}
-llvm::Optional<FileRecord> FileRecord::parse(llvm::StringRef Line) {
- // FILE number name
- if (consume<Token>(Line) != Token::File)
+template <typename T>
+static llvm::Optional<T> parseNumberName(llvm::StringRef Line,
+ Token TokenType) {
+ // TOKEN number name
+ if (consume<Token>(Line) != TokenType)
return llvm::None;
llvm::StringRef Str;
@@ -231,7 +240,12 @@
if (Name.empty())
return llvm::None;
- return FileRecord(Number, Name);
+ return T(Number, Name);
+}
+
+llvm::Optional<FileRecord> FileRecord::parse(llvm::StringRef Line) {
+ // FILE number name
+ return parseNumberName<FileRecord>(Line, Token::File);
}
llvm::raw_ostream &breakpad::operator<<(llvm::raw_ostream &OS,
@@ -239,6 +253,17 @@
return OS << "FILE " << R.Number << " " << R.Name;
}
+llvm::Optional<InlineOriginRecord>
+InlineOriginRecord::parse(llvm::StringRef Line) {
+ // INLINE_ORIGIN number name
+ return parseNumberName<InlineOriginRecord>(Line, Token::InlineOrigin);
+}
+
+llvm::raw_ostream &breakpad::operator<<(llvm::raw_ostream &OS,
+ const InlineOriginRecord &R) {
+ return OS << "INLINE_ORIGIN " << R.Number << " " << R.Name;
+}
+
static bool parsePublicOrFunc(llvm::StringRef Line, bool &Multiple,
lldb::addr_t &Address, lldb::addr_t *Size,
lldb::addr_t &ParamSize, llvm::StringRef &Name) {
@@ -299,6 +324,58 @@
R.ParamSize, R.Name);
}
+llvm::Optional<InlineRecord> InlineRecord::parse(llvm::StringRef Line) {
+ // INLINE inline_nest_level call_site_line call_site_file_num origin_num
+ // [address size]+
+ if (consume<Token>(Line) != Token::Inline)
+ return llvm::None;
+
+ llvm::SmallVector<llvm::StringRef> Tokens;
+ SplitString(Line, Tokens, " ");
+ if (Tokens.size() < 6 || Tokens.size() % 2 == 1)
+ return llvm::None;
+
+ size_t InlineNestLevel;
+ uint32_t CallSiteLineNum;
+ size_t CallSiteFileNum;
+ size_t OriginNum;
+ if (!(to_integer(Tokens[0], InlineNestLevel) &&
+ to_integer(Tokens[1], CallSiteLineNum) &&
+ to_integer(Tokens[2], CallSiteFileNum) &&
+ to_integer(Tokens[3], OriginNum)))
+ return llvm::None;
+
+ InlineRecord Record = InlineRecord(InlineNestLevel, CallSiteLineNum,
+ CallSiteFileNum, OriginNum);
+ for (size_t i = 4; i < Tokens.size(); i += 2) {
+ lldb::addr_t Address;
+ if (!to_integer(Tokens[i], Address, 16))
+ return llvm::None;
+ lldb::addr_t Size;
+ if (!to_integer(Tokens[i + 1].trim(), Size, 16))
+ return llvm::None;
+ Record.Ranges.emplace_back(Address, Size);
+ }
+ return Record;
+}
+
+bool breakpad::operator==(const InlineRecord &L, const InlineRecord &R) {
+ return L.InlineNestLevel == R.InlineNestLevel &&
+ L.CallSiteLineNum == R.CallSiteLineNum &&
+ L.CallSiteFileNum == R.CallSiteFileNum && L.OriginNum == R.OriginNum &&
+ L.Ranges == R.Ranges;
+}
+
+llvm::raw_ostream &breakpad::operator<<(llvm::raw_ostream &OS,
+ const InlineRecord &R) {
+ OS << llvm::formatv("INLINE {0} {1} {2} {3}", R.InlineNestLevel,
+ R.CallSiteLineNum, R.CallSiteFileNum, R.OriginNum);
+ for (const auto &range : R.Ranges) {
+ OS << llvm::formatv(" {0:x-} {1:x-}", range.first, range.second);
+ }
+ return OS;
+}
+
llvm::Optional<LineRecord> LineRecord::parse(llvm::StringRef Line) {
lldb::addr_t Address;
llvm::StringRef Str;
@@ -490,6 +567,10 @@
return "FILE";
case Record::Func:
return "FUNC";
+ case Record::Inline:
+ return "INLINE";
+ case Record::InlineOrigin:
+ return "INLINE_ORIGIN";
case Record::Line:
return "LINE";
case Record::Public:
Index: lldb/include/lldb/Symbol/Block.h
===================================================================
--- lldb/include/lldb/Symbol/Block.h
+++ lldb/include/lldb/Symbol/Block.h
@@ -338,6 +338,8 @@
Block *FindBlockByID(lldb::user_id_t block_id);
+ Block *FindInnermostBlockByOffset(const lldb::addr_t offset);
+
size_t GetNumRanges() const { return m_ranges.GetSize(); }
bool GetRangeContainingOffset(const lldb::addr_t offset, Range &range);
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