aadsm updated this revision to Diff 290113.
aadsm added a comment.
Herald added a reviewer: jdoerfert.
Herald added a subscriber: sstefan1.
Check lowest code address instead of checking if the section is code.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D87173/new/
https://reviews.llvm.org/D87173
Files:
lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParser.h
lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp
lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.h
lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp
lldb/unittests/SymbolFile/DWARF/Inputs/test-invalid-addresses.yaml
lldb/unittests/SymbolFile/DWARF/SymbolFileDWARFTests.cpp
Index: lldb/unittests/SymbolFile/DWARF/SymbolFileDWARFTests.cpp
===================================================================
--- lldb/unittests/SymbolFile/DWARF/SymbolFileDWARFTests.cpp
+++ lldb/unittests/SymbolFile/DWARF/SymbolFileDWARFTests.cpp
@@ -35,14 +35,16 @@
#include "lldb/Utility/ArchSpec.h"
#include "lldb/Utility/DataEncoder.h"
#include "lldb/Utility/FileSpec.h"
+#include "lldb/Utility/Reproducer.h"
#include "lldb/Utility/StreamString.h"
using namespace lldb;
using namespace lldb_private;
class SymbolFileDWARFTests : public testing::Test {
- SubsystemRAII<FileSystem, HostInfo, ObjectFilePECOFF, ObjectFileMachO,
- SymbolFileDWARF, TypeSystemClang, SymbolFilePDB>
+ SubsystemRAII<repro::Reproducer, FileSystem, HostInfo, ObjectFilePECOFF,
+ ObjectFileMachO, SymbolFileDWARF, TypeSystemClang,
+ SymbolFilePDB>
subsystems;
public:
@@ -367,3 +369,27 @@
ASSERT_NE(section_sp.get(), nullptr);
EXPECT_EQ(section_sp->GetType(), eSectionTypeCode);
}
+
+TEST_F(SymbolFileDWARFTests, EnsureAllParseFunctionsExistInCodeSections) {
+ auto ExpectedFile = TestFile::fromYamlFile("test-invalid-offsets.yaml");
+ ASSERT_THAT_EXPECTED(ExpectedFile, llvm::Succeeded());
+
+ lldb::ModuleSP module_sp =
+ std::make_shared<Module>(ExpectedFile->moduleSpec());
+ SymbolFile *symfile = module_sp->GetSymbolFile();
+ ASSERT_NE(symfile, nullptr);
+
+ SymbolContextList sc_list;
+ RegularExpression regex(".");
+ symfile->FindFunctions(regex, false, sc_list);
+ ASSERT_EQ(sc_list.GetSize(), 1U);
+
+ SymbolContext sc;
+ sc_list.GetContextAtIndex(0, sc);
+ EXPECT_STREQ(sc.function->GetName().AsCString(), "main");
+
+ auto section_sp =
+ sc.function->GetAddressRange().GetBaseAddress().GetSection();
+ ASSERT_NE(section_sp.get(), nullptr);
+ EXPECT_EQ(section_sp->GetType(), eSectionTypeCode);
+}
Index: lldb/unittests/SymbolFile/DWARF/Inputs/test-invalid-addresses.yaml
===================================================================
--- lldb/unittests/SymbolFile/DWARF/Inputs/test-invalid-addresses.yaml
+++ lldb/unittests/SymbolFile/DWARF/Inputs/test-invalid-addresses.yaml
@@ -420,8 +420,8 @@
- Value: 0x0000000100000F80
- Value: 0x0000000000000030
- AbbrCode: 0x00000002
- Values:
- - Value: 0x0000000100000F80
+ Values: # DW_TAG_subprogram foo
+ - Value: 0x0000000000000F80 # DW_AT_low_pc points to invalid loc
- Value: 0x000000000000000B
- Value: 0x0000000000000001
BlockData: [ 0x56 ]
@@ -432,7 +432,7 @@
- Value: 0x000000000000006F
- Value: 0x0000000000000001
- AbbrCode: 0x00000003
- Values:
+ Values: # DW_TAG_subprogram main
- Value: 0x0000000100000F90
- Value: 0x0000000000000020
- Value: 0x0000000000000001
Index: lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp
===================================================================
--- lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp
+++ lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp
@@ -779,7 +779,8 @@
if (!dwarf_ast)
return nullptr;
- return dwarf_ast->ParseFunctionFromDWARF(comp_unit, die);
+ return dwarf_ast->ParseFunctionFromDWARF(comp_unit, die,
+ m_first_code_address);
}
lldb::addr_t SymbolFileDWARF::FixupAddress(lldb::addr_t file_addr) {
Index: lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.h
===================================================================
--- lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.h
+++ lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.h
@@ -47,7 +47,8 @@
lldb_private::Function *
ParseFunctionFromDWARF(lldb_private::CompileUnit &comp_unit,
- const DWARFDIE &die) override;
+ const DWARFDIE &die,
+ lldb::addr_t first_code_address) override;
bool
CompleteTypeFromDWARF(const DWARFDIE &die, lldb_private::Type *type,
Index: lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp
===================================================================
--- lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp
+++ lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp
@@ -2226,8 +2226,10 @@
return enumerators_added;
}
-Function *DWARFASTParserClang::ParseFunctionFromDWARF(CompileUnit &comp_unit,
- const DWARFDIE &die) {
+Function *
+DWARFASTParserClang::ParseFunctionFromDWARF(CompileUnit &comp_unit,
+ const DWARFDIE &die,
+ lldb::addr_t first_code_address) {
DWARFRangeList func_ranges;
const char *name = nullptr;
const char *mangled = nullptr;
@@ -2262,7 +2264,9 @@
func_range.SetByteSize(highest_func_addr - lowest_func_addr);
}
- if (func_range.GetBaseAddress().IsValid()) {
+ if (lowest_func_addr >= first_code_address &&
+ lowest_func_addr != LLDB_INVALID_ADDRESS &&
+ lowest_func_addr <= highest_func_addr) {
Mangled func_name;
if (mangled)
func_name.SetValue(ConstString(mangled), true);
Index: lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParser.h
===================================================================
--- lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParser.h
+++ lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParser.h
@@ -32,7 +32,8 @@
virtual lldb_private::Function *
ParseFunctionFromDWARF(lldb_private::CompileUnit &comp_unit,
- const DWARFDIE &die) = 0;
+ const DWARFDIE &die,
+ lldb::addr_t first_code_address) = 0;
virtual bool
CompleteTypeFromDWARF(const DWARFDIE &die, lldb_private::Type *type,
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