Index: lldb/source/Plugins/SymbolFile/CTF/CTFTypes.h =================================================================== --- lldb/source/Plugins/SymbolFile/CTF/CTFTypes.h +++ lldb/source/Plugins/SymbolFile/CTF/CTFTypes.h @@ -130,14 +130,12 @@ struct CTFRecord : public CTFType { public: struct Field { - Field(llvm::StringRef name, uint32_t type, uint16_t offset, - uint16_t padding) - : name(name), type(type), offset(offset), padding(padding) {} + Field(llvm::StringRef name, uint32_t type, uint64_t offset) + : name(name), type(type), offset(offset) {} llvm::StringRef name; uint32_t type; - uint16_t offset; - uint16_t padding; + uint64_t offset; }; CTFRecord(Kind kind, lldb::user_id_t uid, llvm::StringRef name, Index: lldb/source/Plugins/SymbolFile/CTF/SymbolFileCTF.h =================================================================== --- lldb/source/Plugins/SymbolFile/CTF/SymbolFileCTF.h +++ lldb/source/Plugins/SymbolFile/CTF/SymbolFileCTF.h @@ -254,6 +254,7 @@ static constexpr uint16_t g_ctf_magic = 0xcff1; static constexpr uint8_t g_ctf_version = 4; + static constexpr uint32_t g_ctf_field_treshold = 8192; }; } // namespace lldb_private Index: lldb/source/Plugins/SymbolFile/CTF/SymbolFileCTF.cpp =================================================================== --- lldb/source/Plugins/SymbolFile/CTF/SymbolFileCTF.cpp +++ lldb/source/Plugins/SymbolFile/CTF/SymbolFileCTF.cpp @@ -641,9 +641,15 @@ for (uint32_t i = 0; i < variable_length; ++i) { const uint32_t field_name = m_data.GetU32(&offset); const uint32_t type = m_data.GetU32(&offset); - const uint16_t field_offset = m_data.GetU16(&offset); - const uint16_t padding = m_data.GetU16(&offset); - fields.emplace_back(ReadString(field_name), type, field_offset, padding); + uint64_t field_offset = 0; + if (size < g_ctf_field_treshold) { + field_offset = m_data.GetU32(&offset); + } else { + const uint32_t offset_hi = m_data.GetU32(&offset); + const uint32_t offset_lo = m_data.GetU32(&offset); + field_offset = (((uint64_t)offset_hi) << 32) | ((uint64_t)offset_lo); + } + fields.emplace_back(ReadString(field_name), type, field_offset); } return std::make_unique(static_cast(kind), uid, name, variable_length, size, fields); @@ -849,7 +855,6 @@ if (Symbol *symbol = symtab->FindSymbolWithType(eSymbolTypeData, Symtab::eDebugYes, Symtab::eVisibilityAny, symbol_idx)) { - Variable::RangeList ranges; ranges.Append(symbol->GetFileAddress(), symbol->GetByteSize()); Index: lldb/test/API/macosx/ctf/Makefile =================================================================== --- lldb/test/API/macosx/ctf/Makefile +++ lldb/test/API/macosx/ctf/Makefile @@ -28,3 +28,4 @@ -R __DWARF,__apple_objc \ a.ctf a.ctf rm -rf a.out.dSYM + rm -rf test.o Index: lldb/test/API/macosx/ctf/TestCTF.py =================================================================== --- lldb/test/API/macosx/ctf/TestCTF.py +++ lldb/test/API/macosx/ctf/TestCTF.py @@ -37,6 +37,9 @@ symbol_file = self.getBuildArtifact("a.ctf") + if self.TraceOn(): + self.runCmd("log enable -v lldb symbol") + self.runCmd("target symbols add {}".format(symbol_file)) self.expect( "target variable foo", @@ -53,7 +56,6 @@ "f = 0x0000000000000000", ], ) - self.expect("target variable foo.n.i", substrs=["(MyInt) foo.n.i = 1"]) self.expect( "target variable foo.n.s", substrs=["(const char *) foo.n.s", '"foo"'] @@ -80,3 +82,12 @@ ) self.expect(" type lookup ForwardDecl", substrs=["struct ForwardDecl"]) + + self.expect( + "type lookup LargeStruct", + substrs=[ + "struct LargeStruct", + "char buffer[9000]", + "int b ", + ], + ) Index: lldb/test/API/macosx/ctf/test.c =================================================================== --- lldb/test/API/macosx/ctf/test.c +++ lldb/test/API/macosx/ctf/test.c @@ -31,8 +31,14 @@ void (*f)(int); } MyStructT; +struct LargeStruct { + char buffer[9000]; + int b; +}; + MyStructT foo; struct ForwardDecl *forward; +struct LargeStruct bar; void populate(MyInt i) { foo.n.i = i; @@ -45,6 +51,7 @@ foo.n.e = eOne; foo.f = NULL; forward = NULL; + bar.b = i; } int main(int argc, char** argv) {