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MC-COFF: Drop empty sections, and label symbols. Convert relocations

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targeted at symbols into relocations relative to the containing section.

Patch by Nathan Jeffords!

llvm-svn: 114823
This commit is contained in:
Michael J. Spencer 2010-09-27 08:58:26 +00:00
parent b335259960
commit 4867bf0fad
3 changed files with 196 additions and 143 deletions
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231
lib/MC/WinCOFFObjectWriter.cpp
View File

@ -55,6 +55,9 @@ struct AuxSymbol {
COFF::Auxiliary Aux;
};
class COFFSymbol;
class COFFSection;
class COFFSymbol {
public:
COFF::symbol Data;
@ -65,12 +68,16 @@ public:
size_t Index;
AuxiliarySymbols Aux;
COFFSymbol *Other;
COFFSection *Section;
int Relocations;
MCSymbolData const *MCData;
COFFSymbol(llvm::StringRef name, size_t index);
COFFSymbol(llvm::StringRef name);
size_t size() const;
void set_name_offset(uint32_t Offset);
bool should_keep() const;
};
// This class contains staging data for a COFF relocation entry.
@ -91,10 +98,10 @@ public:
std::string Name;
size_t Number;
MCSectionData const *MCData;
COFFSymbol *Symb;
COFFSymbol *Symbol;
relocations Relocations;
COFFSection(llvm::StringRef name, size_t Index);
COFFSection(llvm::StringRef name);
static size_t size();
};
@ -141,18 +148,20 @@ public:
COFFSymbol *createSymbol(llvm::StringRef Name);
COFFSection *createSection(llvm::StringRef Name);
void InitCOFFEntity(COFFSymbol &Symbol);
void InitCOFFEntity(COFFSection &Section);
template <typename object_t, typename list_t>
object_t *createCOFFEntity(llvm::StringRef Name, list_t &List);
void DefineSection(MCSectionData const &SectionData);
void DefineSymbol(MCSymbolData const &SymbolData, MCAssembler &Assembler);
bool ExportSection(COFFSection *S);
void MakeSymbolReal(COFFSymbol &S, size_t Index);
void MakeSectionReal(COFFSection &S, size_t Number);
bool ExportSection(COFFSection const *S);
bool ExportSymbol(MCSymbolData const &SymbolData, MCAssembler &Asm);
bool IsPhysicalSection(COFFSection *S);
// Entity writing methods.
void WriteFileHeader(const COFF::header &Header);
@ -198,9 +207,12 @@ static inline void write_uint8_le(void *Data, uint8_t const &Value) {
//------------------------------------------------------------------------------
// Symbol class implementation
COFFSymbol::COFFSymbol(llvm::StringRef name, size_t index)
: Name(name.begin(), name.end()), Index(-1)
, Other(NULL), MCData(NULL) {
COFFSymbol::COFFSymbol(llvm::StringRef name)
: Name(name.begin(), name.end())
, Other(NULL)
, Section(NULL)
, Relocations(0)
, MCData(NULL) {
memset(&Data, 0, sizeof(Data));
}
@ -216,12 +228,41 @@ void COFFSymbol::set_name_offset(uint32_t Offset) {
write_uint32_le(Data.Name + 4, Offset);
}
/// logic to decide if the symbol should be reported in the symbol table
bool COFFSymbol::should_keep() const {
// no section means its external, keep it
if (Section == NULL)
return true;
// if it has relocations pointing at it, keep it
if (Relocations > 0) {
assert(Section->Number != -1 && "Sections with relocations must be real!");
return true;
}
// if the section its in is being droped, drop it
if (Section->Number == -1)
return false;
// if it is the section symbol, keep it
if (Section->Symbol == this)
return true;
// if its temporary, drop it
if (MCData && MCData->getSymbol().isTemporary())
return false;
// otherwise, keep it
return true;
}
//------------------------------------------------------------------------------
// Section class implementation
COFFSection::COFFSection(llvm::StringRef name, size_t Index)
: Name(name), Number(Index + 1)
, MCData(NULL), Symb(NULL) {
COFFSection::COFFSection(llvm::StringRef name)
: Name(name)
, MCData(NULL)
, Symbol(NULL) {
memset(&Header, 0, sizeof(Header));
}
@ -298,45 +339,12 @@ COFFSection *WinCOFFObjectWriter::createSection(llvm::StringRef Name) {
return createCOFFEntity<COFFSection>(Name, Sections);
}
/// This function initializes a symbol by entering its name into the string
/// table if it is too long to fit in the symbol table header.
void WinCOFFObjectWriter::InitCOFFEntity(COFFSymbol &S) {
if (S.Name.size() > COFF::NameSize) {
size_t StringTableEntry = Strings.insert(S.Name.c_str());
S.set_name_offset(StringTableEntry);
} else
memcpy(S.Data.Name, S.Name.c_str(), S.Name.size());
}
/// This function initializes a section by entering its name into the string
/// table if it is too long to fit in the section table header.
void WinCOFFObjectWriter::InitCOFFEntity(COFFSection &S) {
if (S.Name.size() > COFF::NameSize) {
size_t StringTableEntry = Strings.insert(S.Name.c_str());
// FIXME: Why is this number 999999? This number is never mentioned in the
// spec. I'm assuming this is due to the printed value needing to fit into
// the S.Header.Name field. In which case why not 9999999 (7 9's instead of
// 6)? The spec does not state if this entry should be null terminated in
// this case, and thus this seems to be the best way to do it. I think I
// just solved my own FIXME...
if (StringTableEntry > 999999)
report_fatal_error("COFF string table is greater than 999999 bytes.");
sprintf(S.Header.Name, "/%d", (unsigned)StringTableEntry);
} else
memcpy(S.Header.Name, S.Name.c_str(), S.Name.size());
}
/// A template used to lookup or create a symbol/section, and initialize it if
/// needed.
template <typename object_t, typename list_t>
object_t *WinCOFFObjectWriter::createCOFFEntity(llvm::StringRef Name,
list_t &List) {
object_t *Object = new object_t(Name, List.size());
InitCOFFEntity(*Object);
object_t *Object = new object_t(Name);
List.push_back(Object);
@ -353,15 +361,14 @@ void WinCOFFObjectWriter::DefineSection(MCSectionData const &SectionData) {
COFFSection *coff_section = createSection(Sec.getSectionName());
COFFSymbol *coff_symbol = createSymbol(Sec.getSectionName());
coff_section->Symb = coff_symbol;
coff_section->Symbol = coff_symbol;
coff_symbol->Section = coff_section;
coff_symbol->Data.StorageClass = COFF::IMAGE_SYM_CLASS_STATIC;
coff_symbol->Data.SectionNumber = coff_section->Number;
// In this case the auxiliary symbol is a Section Definition.
coff_symbol->Aux.resize(1);
memset(&coff_symbol->Aux[0], 0, sizeof(coff_symbol->Aux[0]));
coff_symbol->Aux[0].AuxType = ATSectionDefinition;
coff_symbol->Aux[0].Aux.SectionDefinition.Number = coff_section->Number;
coff_symbol->Aux[0].Aux.SectionDefinition.Selection = Sec.getSelection();
coff_section->Header.Characteristics = Sec.getCharacteristics();
@ -395,6 +402,8 @@ void WinCOFFObjectWriter::DefineSection(MCSectionData const &SectionData) {
/// and creates the associated COFF symbol staging object.
void WinCOFFObjectWriter::DefineSymbol(MCSymbolData const &SymbolData,
MCAssembler &Assembler) {
assert(!SymbolData.getSymbol().isVariable()
&& "Cannot define a symbol that is a variable!");
COFFSymbol *coff_symbol = createSymbol(SymbolData.getSymbol().getName());
coff_symbol->Data.Type = (SymbolData.getFlags() & 0x0000FFFF) >> 0;
@ -405,7 +414,7 @@ void WinCOFFObjectWriter::DefineSymbol(MCSymbolData const &SymbolData,
bool external = SymbolData.isExternal() || (SymbolData.Fragment == NULL);
coff_symbol->Data.StorageClass =
external ? COFF::IMAGE_SYM_CLASS_EXTERNAL : COFF::IMAGE_SYM_CLASS_STATIC;
external ? COFF::IMAGE_SYM_CLASS_EXTERNAL : COFF::IMAGE_SYM_CLASS_LABEL;
}
if (SymbolData.getFlags() & COFF::SF_WeakReference) {
@ -438,14 +447,50 @@ void WinCOFFObjectWriter::DefineSymbol(MCSymbolData const &SymbolData,
COFF::IMAGE_WEAK_EXTERN_SEARCH_LIBRARY;
}
if (SymbolData.Fragment != NULL)
coff_symbol->Section = SectionMap[SymbolData.Fragment->getParent()];
// Bind internal COFF symbol to MC symbol.
coff_symbol->MCData = &SymbolData;
SymbolMap[&SymbolData] = coff_symbol;
}
bool WinCOFFObjectWriter::ExportSection(COFFSection *S) {
return (S->Header.Characteristics
& COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA) == 0;
/// making a section real involves assigned it a number and putting
/// name into the string table if needed
void WinCOFFObjectWriter::MakeSectionReal(COFFSection &S, size_t Number) {
if (S.Name.size() > COFF::NameSize) {
size_t StringTableEntry = Strings.insert(S.Name.c_str());
// FIXME: Why is this number 999999? This number is never mentioned in the
// spec. I'm assuming this is due to the printed value needing to fit into
// the S.Header.Name field. In which case why not 9999999 (7 9's instead of
// 6)? The spec does not state if this entry should be null terminated in
// this case, and thus this seems to be the best way to do it. I think I
// just solved my own FIXME...
if (StringTableEntry > 999999)
report_fatal_error("COFF string table is greater than 999999 bytes.");
std::sprintf(S.Header.Name, "/%d", unsigned(StringTableEntry));
} else
std::memcpy(S.Header.Name, S.Name.c_str(), S.Name.size());
S.Number = Number;
S.Symbol->Data.SectionNumber = S.Number;
S.Symbol->Aux[0].Aux.SectionDefinition.Number = S.Number;
}
void WinCOFFObjectWriter::MakeSymbolReal(COFFSymbol &S, size_t Index) {
if (S.Name.size() > COFF::NameSize) {
size_t StringTableEntry = Strings.insert(S.Name.c_str());
S.set_name_offset(StringTableEntry);
} else
std::memcpy(S.Data.Name, S.Name.c_str(), S.Name.size());
S.Index = Index;
}
bool WinCOFFObjectWriter::ExportSection(COFFSection const *S) {
return !S->MCData->getFragmentList().empty();
}
bool WinCOFFObjectWriter::ExportSymbol(MCSymbolData const &SymbolData,
@ -455,8 +500,14 @@ bool WinCOFFObjectWriter::ExportSymbol(MCSymbolData const &SymbolData,
// return Asm.isSymbolLinkerVisible (&SymbolData);
// For now, all symbols are exported, the linker will sort it out for us.
return true;
// For now, all non-variable symbols are exported,
// the linker will sort the rest out for us.
return !SymbolData.getSymbol().isVariable();
}
bool WinCOFFObjectWriter::IsPhysicalSection(COFFSection *S) {
return (S->Header.Characteristics
& COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA) == 0;
}
//------------------------------------------------------------------------------
@ -548,7 +599,7 @@ void WinCOFFObjectWriter::WriteRelocation(const COFF::relocation &R) {
void WinCOFFObjectWriter::ExecutePostLayoutBinding(MCAssembler &Asm) {
// "Define" each section & symbol. This creates section & symbol
// entries in the staging area and gives them their final indexes.
// entries in the staging area.
for (MCAssembler::const_iterator i = Asm.begin(), e = Asm.end(); i != e; i++)
DefineSection(*i);
@ -600,8 +651,16 @@ void WinCOFFObjectWriter::RecordRelocation(const MCAssembler &Asm,
Reloc.Data.SymbolTableIndex = 0;
Reloc.Data.VirtualAddress = Layout.getFragmentOffset(Fragment);
// turn relocations for temporary symbols into section relocations
if (coff_symbol->MCData->getSymbol().isTemporary()) {
Reloc.Symb = coff_symbol->Section->Symbol;
FixedValue += Layout.getFragmentOffset(coff_symbol->MCData->Fragment);
} else
Reloc.Symb = coff_symbol;
++Reloc.Symb->Relocations;
Reloc.Data.VirtualAddress += Fixup.getOffset();
switch (Fixup.getKind()) {
@ -634,6 +693,16 @@ void WinCOFFObjectWriter::RecordRelocation(const MCAssembler &Asm,
void WinCOFFObjectWriter::WriteObject(const MCAssembler &Asm,
const MCAsmLayout &Layout) {
// Assign symbol and section indexes and offsets.
Header.NumberOfSections = 0;
for (sections::iterator i = Sections.begin(),
e = Sections.end(); i != e; i++) {
if (Layout.getSectionSize((*i)->MCData) > 0) {
MakeSectionReal(**i, ++Header.NumberOfSections);
} else {
(*i)->Number = -1;
}
}
Header.NumberOfSymbols = 0;
@ -641,32 +710,35 @@ void WinCOFFObjectWriter::WriteObject(const MCAssembler &Asm,
COFFSymbol *coff_symbol = *i;
MCSymbolData const *SymbolData = coff_symbol->MCData;
coff_symbol->Index = Header.NumberOfSymbols++;
// Update section number & offset for symbols that have them.
if ((SymbolData != NULL) && (SymbolData->Fragment != NULL)) {
COFFSection *coff_section = SectionMap[SymbolData->Fragment->getParent()];
assert(coff_symbol->Section != NULL);
coff_symbol->Data.SectionNumber = coff_section->Number;
coff_symbol->Data.SectionNumber = coff_symbol->Section->Number;
coff_symbol->Data.Value = Layout.getFragmentOffset(SymbolData->Fragment)
+ SymbolData->Offset;
}
if (coff_symbol->should_keep()) {
MakeSymbolReal(*coff_symbol, Header.NumberOfSymbols++);
// Update auxiliary symbol info.
coff_symbol->Data.NumberOfAuxSymbols = coff_symbol->Aux.size();
Header.NumberOfSymbols += coff_symbol->Data.NumberOfAuxSymbols;
} else
coff_symbol->Index = -1;
}
// Fixup weak external references.
for (symbols::iterator i = Symbols.begin(), e = Symbols.end(); i != e; i++) {
COFFSymbol *symb = *i;
if (symb->Other != NULL) {
assert(symb->Aux.size() == 1 &&
COFFSymbol *coff_symbol = *i;
if (coff_symbol->Other != NULL) {
assert(coff_symbol->Index != -1);
assert(coff_symbol->Aux.size() == 1 &&
"Symbol must contain one aux symbol!");
assert(symb->Aux[0].AuxType == ATWeakExternal &&
assert(coff_symbol->Aux[0].AuxType == ATWeakExternal &&
"Symbol's aux symbol must be a Weak External!");
symb->Aux[0].Aux.WeakExternal.TagIndex = symb->Other->Index;
coff_symbol->Aux[0].Aux.WeakExternal.TagIndex = coff_symbol->Other->Index;
}
}
@ -675,18 +747,19 @@ void WinCOFFObjectWriter::WriteObject(const MCAssembler &Asm,
unsigned offset = 0;
offset += COFF::HeaderSize;
offset += COFF::SectionSize * Asm.size();
Header.NumberOfSections = Sections.size();
offset += COFF::SectionSize * Header.NumberOfSections;
for (MCAssembler::const_iterator i = Asm.begin(),
e = Asm.end();
i != e; i++) {
COFFSection *Sec = SectionMap[i];
if (Sec->Number == -1)
continue;
Sec->Header.SizeOfRawData = Layout.getSectionFileSize(i);
if (ExportSection(Sec)) {
if (IsPhysicalSection(Sec)) {
Sec->Header.PointerToRawData = offset;
offset += Sec->Header.SizeOfRawData;
@ -700,13 +773,15 @@ void WinCOFFObjectWriter::WriteObject(const MCAssembler &Asm,
for (relocations::iterator cr = Sec->Relocations.begin(),
er = Sec->Relocations.end();
cr != er; cr++) {
cr != er; ++cr) {
assert((*cr).Symb->Index != -1);
(*cr).Data.SymbolTableIndex = (*cr).Symb->Index;
}
}
assert(Sec->Symb->Aux.size() == 1 && "Section's symbol must have one aux!");
AuxSymbol &Aux = Sec->Symb->Aux[0];
assert(Sec->Symbol->Aux.size() == 1
&& "Section's symbol must have one aux!");
AuxSymbol &Aux = Sec->Symbol->Aux[0];
assert(Aux.AuxType == ATSectionDefinition &&
"Section's symbol's aux symbol must be a Section Definition!");
Aux.Aux.SectionDefinition.Length = Sec->Header.SizeOfRawData;
@ -728,11 +803,16 @@ void WinCOFFObjectWriter::WriteObject(const MCAssembler &Asm,
MCAssembler::const_iterator j, je;
for (i = Sections.begin(), ie = Sections.end(); i != ie; i++)
if ((*i)->Number != -1)
WriteSectionHeader((*i)->Header);
for (i = Sections.begin(), ie = Sections.end(),
j = Asm.begin(), je = Asm.end();
(i != ie) && (j != je); i++, j++) {
(i != ie) && (j != je); ++i, ++j) {
if ((*i)->Number == -1)
continue;
if ((*i)->Header.PointerToRawData != 0) {
assert(OS.tell() == (*i)->Header.PointerToRawData &&
"Section::PointerToRawData is insane!");
@ -759,6 +839,7 @@ void WinCOFFObjectWriter::WriteObject(const MCAssembler &Asm,
"Header::PointerToSymbolTable is insane!");
for (symbols::iterator i = Symbols.begin(), e = Symbols.end(); i != e; i++)
if ((*i)->Index != -1)
WriteSymbol(*i);
OS.write((char const *)&Strings.Data.front(), Strings.Data.size());

38
test/MC/COFF/basic-coff.ll
View File

@ -19,8 +19,8 @@ declare i32 @printf(i8* nocapture, ...) nounwind
; CHECK: MachineType = IMAGE_FILE_MACHINE_I386 (0x14C)
; CHECK: NumberOfSections = 2
; CHECK: TimeDateStamp = {{[0-9]+}}
; CHECK: PointerToSymbolTable = 0x99
; CHECK: NumberOfSymbols = 7
; CHECK: PointerToSymbolTable = 0x{{[0-9A-F]+}}
; CHECK: NumberOfSymbols = 6
; CHECK: SizeOfOptionalHeader = 0
; CHECK: Characteristics = 0x0
; CHECK: Sections = [
@ -28,9 +28,9 @@ declare i32 @printf(i8* nocapture, ...) nounwind
; CHECK: Name = .text
; CHECK: VirtualSize = 0
; CHECK: VirtualAddress = 0
; CHECK: SizeOfRawData = 21
; CHECK: PointerToRawData = 0x64
; CHECK: PointerToRelocations = 0x79
; CHECK: SizeOfRawData = {{[0-9]+}}
; CHECK: PointerToRawData = 0x{{[0-9A-F]+}}
; CHECK: PointerToRelocations = 0x{{[0-9A-F]+}}
; CHECK: PointerToLineNumbers = 0x0
; CHECK: NumberOfRelocations = 2
; CHECK: NumberOfLineNumbers = 0
@ -40,20 +40,18 @@ declare i32 @printf(i8* nocapture, ...) nounwind
; CHECK: IMAGE_SCN_MEM_EXECUTE
; CHECK: IMAGE_SCN_MEM_READ
; CHECK: SectionData =
; CHECK: 83 EC 04 C7 04 24 00 00 - 00 00 E8 00 00 00 00 31 |.....$.........1|
; CHECK: C0 83 C4 04 C3 |.....|
; CHECK: Relocations = [
; CHECK: 0 = {
; CHECK: VirtualAddress = 0x6
; CHECK: SymbolTableIndex = 5
; CHECK: VirtualAddress = 0x{{[0-9A-F]+}}
; CHECK: SymbolTableIndex = 2
; CHECK: Type = IMAGE_REL_I386_DIR32 (6)
; CHECK: SymbolName = _main
; CHECK: SymbolName =
; CHECK: }
; CHECK: 1 = {
; CHECK: VirtualAddress = 0xB
; CHECK: SymbolTableIndex = 6
; CHECK: VirtualAddress = 0x{{[0-9A-F]+}}
; CHECK: SymbolTableIndex = 5
; CHECK: Type = IMAGE_REL_I386_REL32 (20)
; CHECK: SymbolName = L_.str
; CHECK: SymbolName = _main
; CHECK: }
; CHECK: ]
; CHECK: }
@ -61,8 +59,8 @@ declare i32 @printf(i8* nocapture, ...) nounwind
; CHECK: Name = .data
; CHECK: VirtualSize = 0
; CHECK: VirtualAddress = 0
; CHECK: SizeOfRawData = 12
; CHECK: PointerToRawData = 0x8D
; CHECK: SizeOfRawData = {{[0-9]+}}
; CHECK: PointerToRawData = 0x{{[0-9A-F]+}}
; CHECK: PointerToRelocations = 0x0
; CHECK: PointerToLineNumbers = 0x0
; CHECK: NumberOfRelocations = 0
@ -113,16 +111,6 @@ declare i32 @printf(i8* nocapture, ...) nounwind
; CHECK: AuxillaryData =
; CHECK: }
; CHECK: 3 = {
; CHECK: Name = L_.str
; CHECK: Value = 0
; CHECK: SectionNumber = 2
; CHECK: SimpleType = IMAGE_SYM_TYPE_NULL (0)
; CHECK: ComplexType = IMAGE_SYM_DTYPE_NULL (0)
; CHECK: StorageClass = IMAGE_SYM_CLASS_STATIC (3)
; CHECK: NumberOfAuxSymbols = 0
; CHECK: AuxillaryData =
; CHECK: }
; CHECK: 4 = {
; CHECK: Name = _printf
; CHECK: Value = 0
; CHECK: SectionNumber = 0

56
test/MC/COFF/symbol-fragment-offset.ll
View File

@ -23,8 +23,8 @@ declare i32 @puts(i8* nocapture) nounwind
; CHECK: MachineType = IMAGE_FILE_MACHINE_I386 (0x14C)
; CHECK: NumberOfSections = 2
; CHECK: TimeDateStamp = {{[0-9]+}}
; CHECK: PointerToSymbolTable = 0xBB
; CHECK: NumberOfSymbols = 9
; CHECK: PointerToSymbolTable = 0x{{[0-9A-F]+}}
; CHECK: NumberOfSymbols = 8
; CHECK: SizeOfOptionalHeader = 0
; CHECK: Characteristics = 0x0
; CHECK: Sections = [
@ -32,9 +32,9 @@ declare i32 @puts(i8* nocapture) nounwind
; CHECK: Name = .text
; CHECK: VirtualSize = 0
; CHECK: VirtualAddress = 0
; CHECK: SizeOfRawData = 33
; CHECK: PointerToRawData = 0x64
; CHECK: PointerToRelocations = 0x85
; CHECK: SizeOfRawData = {{[0-9]+}}
; CHECK: PointerToRawData = 0x{{[0-9A-F]+}}
; CHECK: PointerToRelocations = 0x{{[0-9A-F]+}}
; CHECK: PointerToLineNumbers = 0x0
; CHECK: NumberOfRelocations = 4
; CHECK: NumberOfLineNumbers = 0
@ -44,32 +44,28 @@ declare i32 @puts(i8* nocapture) nounwind
; CHECK: IMAGE_SCN_MEM_EXECUTE
; CHECK: IMAGE_SCN_MEM_READ
; CHECK: SectionData =
; CHECK: 83 EC 04 C7 04 24 00 00 - 00 00 E8 00 00 00 00 C7 |.....$..........|
; CHECK: 04 24 00 00 00 00 E8 00 - 00 00 00 31 C0 83 C4 04 |.$.........1....|
; CHECK: C3 |.|
; CHECK: Relocations = [
; CHECK: 0 = {
; CHECK: VirtualAddress = 0x6
; CHECK: SymbolTableIndex = 5
; CHECK: VirtualAddress = 0x{{[0-9A-F]+}}
; CHECK: SymbolTableIndex = 2
; CHECK: Type = IMAGE_REL_I386_DIR32 (6)
; CHECK: SymbolName = _main
; CHECK: SymbolName =
; CHECK: }
; CHECK: 1 = {
; CHECK: VirtualAddress = 0xB
; CHECK: SymbolTableIndex = 6
; CHECK: VirtualAddress = 0x{{[0-9A-F]+}}
; CHECK: SymbolTableIndex = 5
; CHECK: Type = IMAGE_REL_I386_REL32 (20)
; CHECK: SymbolName = L_.str
; CHECK: SymbolName = _main
; CHECK: }
; CHECK: 2 = {
; CHECK: VirtualAddress = 0x12
; CHECK: SymbolTableIndex = 7
; CHECK: VirtualAddress = 0x{{[0-9A-F]+}}
; CHECK: SymbolTableIndex = 6
; CHECK: Type = IMAGE_REL_I386_DIR32 (6)
; CHECK: SymbolName = _printf
; CHECK: }
; CHECK: 3 = {
; CHECK: VirtualAddress = 0x17
; CHECK: SymbolTableIndex = 8
; CHECK: VirtualAddress = 0x{{[0-9A-F]+}}
; CHECK: SymbolTableIndex = 7
; CHECK: Type = IMAGE_REL_I386_REL32 (20)
; CHECK: SymbolName = _str
; CHECK: }
@ -79,8 +75,8 @@ declare i32 @puts(i8* nocapture) nounwind
; CHECK: Name = .data
; CHECK: VirtualSize = 0
; CHECK: VirtualAddress = 0
; CHECK: SizeOfRawData = 14
; CHECK: PointerToRawData = 0xAD
; CHECK: SizeOfRawData = {{[0-9]+}}
; CHECK: PointerToRawData = 0x{{[0-9A-F]+}}
; CHECK: PointerToRelocations = 0x0
; CHECK: PointerToLineNumbers = 0x0
; CHECK: NumberOfRelocations = 0
@ -133,19 +129,7 @@ declare i32 @puts(i8* nocapture) nounwind
; CHECK: NumberOfAuxSymbols = 0
; CHECK: AuxillaryData =
; CHECK: }
; CHECK: 3 = {
; CHECK: Name = L_.str
; CHECK: Value = 0
; CHECK: SectionNumber = 2
; CHECK: SimpleType = IMAGE_SYM_TYPE_NULL (0)
; CHECK: ComplexType = IMAGE_SYM_DTYPE_NULL (0)
; CHECK: StorageClass = IMAGE_SYM_CLASS_STATIC (3)
; CHECK: NumberOfAuxSymbols = 0
; CHECK: AuxillaryData =
; CHECK: }
; CHECK: 4 = {
; CHECK: Name = _printf
; CHECK: Value = 0
; CHECK: SectionNumber = 0
@ -156,18 +140,18 @@ declare i32 @puts(i8* nocapture) nounwind
; CHECK: AuxillaryData =
; CHECK: }
; CHECK: 5 = {
; CHECK: 4 = {
; CHECK: Name = _str
; CHECK: Value = 7
; CHECK: SectionNumber = 2
; CHECK: SimpleType = IMAGE_SYM_TYPE_NULL (0)
; CHECK: ComplexType = IMAGE_SYM_DTYPE_NULL (0)
; CHECK: StorageClass = IMAGE_SYM_CLASS_STATIC (3)
; CHECK: StorageClass = IMAGE_SYM_CLASS_LABEL (6)
; CHECK: NumberOfAuxSymbols = 0
; CHECK: AuxillaryData =
; CHECK: }
; CHECK: 6 = {
; CHECK: 5 = {
; CHECK: Name = _puts
; CHECK: Value = 0
; CHECK: SectionNumber = 0