//===----------------------------------------------------------------------===//
#include "llvm/Object/COFF.h"
+#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/ADT/Triple.h"
return getSymbolName(symb, Result);
}
-error_code COFFObjectFile::getSymbolOffset(DataRefImpl Symb,
+error_code COFFObjectFile::getSymbolFileOffset(DataRefImpl Symb,
uint64_t &Result) const {
const coff_symbol *symb = toSymb(Symb);
const coff_section *Section = NULL;
if (Type == 'U' || Type == 'w')
Result = UnknownAddressOrSize;
else if (Section)
- Result = Section->VirtualAddress + symb->Value;
+ Result = Section->PointerToRawData + symb->Value;
else
Result = symb->Value;
return object_error::success;
if (Type == 'U' || Type == 'w')
Result = UnknownAddressOrSize;
else if (Section)
- Result = reinterpret_cast<uintptr_t>(base() +
- Section->PointerToRawData +
- symb->Value);
+ Result = Section->VirtualAddress + symb->Value;
else
- Result = reinterpret_cast<uintptr_t>(base() + symb->Value);
+ Result = symb->Value;
return object_error::success;
}
Result = SymbolRef::ST_Other;
if (symb->StorageClass == COFF::IMAGE_SYM_CLASS_EXTERNAL &&
symb->SectionNumber == COFF::IMAGE_SYM_UNDEFINED) {
- Result = SymbolRef::ST_External;
+ Result = SymbolRef::ST_Unknown;
} else {
if (symb->getComplexType() == COFF::IMAGE_SYM_DTYPE_FUNCTION) {
Result = SymbolRef::ST_Function;
return object_error::success;
}
-error_code COFFObjectFile::isSymbolGlobal(DataRefImpl Symb,
- bool &Result) const {
+error_code COFFObjectFile::getSymbolFlags(DataRefImpl Symb,
+ uint32_t &Result) const {
const coff_symbol *symb = toSymb(Symb);
- Result = (symb->StorageClass == COFF::IMAGE_SYM_CLASS_EXTERNAL);
- return object_error::success;
-}
+ Result = SymbolRef::SF_None;
+
+ // TODO: Correctly set SF_FormatSpecific, SF_ThreadLocal, SF_Common
+
+ if (symb->StorageClass == COFF::IMAGE_SYM_CLASS_EXTERNAL &&
+ symb->SectionNumber == COFF::IMAGE_SYM_UNDEFINED)
+ Result |= SymbolRef::SF_Undefined;
+
+ // TODO: This are certainly too restrictive.
+ if (symb->StorageClass == COFF::IMAGE_SYM_CLASS_EXTERNAL)
+ Result |= SymbolRef::SF_Global;
+
+ if (symb->StorageClass == COFF::IMAGE_SYM_CLASS_WEAK_EXTERNAL)
+ Result |= SymbolRef::SF_Weak;
+
+ if (symb->SectionNumber == COFF::IMAGE_SYM_ABSOLUTE)
+ Result |= SymbolRef::SF_Absolute;
-error_code COFFObjectFile::isSymbolWeak(DataRefImpl Symb,
- bool &Result) const {
- const coff_symbol *symb = toSymb(Symb);
- Result = (symb->StorageClass == COFF::IMAGE_SYM_CLASS_WEAK_EXTERNAL);
return object_error::success;
}
return object_error::success;
}
-error_code COFFObjectFile::isSymbolInternal(DataRefImpl Symb,
- bool &Result) const {
- Result = false;
- return object_error::success;
-}
-
-error_code COFFObjectFile::isSymbolAbsolute(DataRefImpl Symb,
- bool &Result) const {
- const coff_symbol *symb = toSymb(Symb);
- Result = symb->SectionNumber == COFF::IMAGE_SYM_ABSOLUTE;
- return object_error::success;
-}
-
error_code COFFObjectFile::getSymbolSection(DataRefImpl Symb,
section_iterator &Result) const {
const coff_symbol *symb = toSymb(Symb);
if (symb->SectionNumber <= COFF::IMAGE_SYM_UNDEFINED)
Result = end_sections();
else {
- const coff_section *sec;
+ const coff_section *sec = 0;
if (error_code ec = getSection(symb->SectionNumber, sec)) return ec;
DataRefImpl Sec;
- std::memset(&Sec, 0, sizeof(Sec));
Sec.p = reinterpret_cast<uintptr_t>(sec);
Result = section_iterator(SectionRef(Sec, this));
}
error_code COFFObjectFile::getSectionName(DataRefImpl Sec,
StringRef &Result) const {
const coff_section *sec = toSec(Sec);
- StringRef name;
- if (sec->Name[7] == 0)
- // Null terminated, let ::strlen figure out the length.
- name = sec->Name;
- else
- // Not null terminated, use all 8 bytes.
- name = StringRef(sec->Name, 8);
-
- // Check for string table entry. First byte is '/'.
- if (name[0] == '/') {
- uint32_t Offset;
- name.substr(1).getAsInteger(10, Offset);
- if (error_code ec = getString(Offset, name))
- return ec;
- }
-
- Result = name;
- return object_error::success;
+ return getSectionName(sec, Result);
}
error_code COFFObjectFile::getSectionAddress(DataRefImpl Sec,
error_code COFFObjectFile::getSectionContents(DataRefImpl Sec,
StringRef &Result) const {
const coff_section *sec = toSec(Sec);
- // The only thing that we need to verify is that the contents is contained
- // within the file bounds. We don't need to make sure it doesn't cover other
- // data, as there's nothing that says that is not allowed.
- uintptr_t con_start = uintptr_t(base()) + sec->PointerToRawData;
- uintptr_t con_end = con_start + sec->SizeOfRawData;
- if (con_end > uintptr_t(Data->getBufferEnd()))
- return object_error::parse_failed;
- Result = StringRef(reinterpret_cast<const char*>(con_start),
- sec->SizeOfRawData);
- return object_error::success;
+ ArrayRef<uint8_t> Res;
+ error_code EC = getSectionContents(sec, Res);
+ Result = StringRef(reinterpret_cast<const char*>(Res.data()), Res.size());
+ return EC;
}
error_code COFFObjectFile::getSectionAlignment(DataRefImpl Sec,
return object_error::success;
}
+error_code COFFObjectFile::isSectionRequiredForExecution(DataRefImpl Sec,
+ bool &Result) const {
+ // FIXME: Unimplemented
+ Result = true;
+ return object_error::success;
+}
+
+error_code COFFObjectFile::isSectionVirtual(DataRefImpl Sec,
+ bool &Result) const {
+ const coff_section *sec = toSec(Sec);
+ Result = sec->Characteristics & COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA;
+ return object_error::success;
+}
+
+error_code COFFObjectFile::isSectionZeroInit(DataRefImpl Sec,
+ bool &Result) const {
+ // FIXME: Unimplemented
+ Result = false;
+ return object_error::success;
+}
+
error_code COFFObjectFile::sectionContainsSymbol(DataRefImpl Sec,
DataRefImpl Symb,
bool &Result) const {
const coff_section *sec = toSec(Sec);
const coff_symbol *symb = toSymb(Symb);
- const coff_section *symb_sec;
+ const coff_section *symb_sec = 0;
if (error_code ec = getSection(symb->SectionNumber, symb_sec)) return ec;
if (symb_sec == sec)
Result = true;
relocation_iterator COFFObjectFile::getSectionRelBegin(DataRefImpl Sec) const {
const coff_section *sec = toSec(Sec);
DataRefImpl ret;
- std::memset(&ret, 0, sizeof(ret));
if (sec->NumberOfRelocations == 0)
ret.p = 0;
else
relocation_iterator COFFObjectFile::getSectionRelEnd(DataRefImpl Sec) const {
const coff_section *sec = toSec(Sec);
DataRefImpl ret;
- std::memset(&ret, 0, sizeof(ret));
if (sec->NumberOfRelocations == 0)
ret.p = 0;
else
}
COFFObjectFile::COFFObjectFile(MemoryBuffer *Object, error_code &ec)
- : ObjectFile(Binary::isCOFF, Object, ec)
+ : ObjectFile(Binary::ID_COFF, Object, ec)
, Header(0)
, SectionTable(0)
, SymbolTable(0)
symbol_iterator COFFObjectFile::begin_symbols() const {
DataRefImpl ret;
- std::memset(&ret, 0, sizeof(DataRefImpl));
ret.p = reinterpret_cast<intptr_t>(SymbolTable);
return symbol_iterator(SymbolRef(ret, this));
}
symbol_iterator COFFObjectFile::end_symbols() const {
// The symbol table ends where the string table begins.
DataRefImpl ret;
- std::memset(&ret, 0, sizeof(DataRefImpl));
ret.p = reinterpret_cast<intptr_t>(StringTable);
return symbol_iterator(SymbolRef(ret, this));
}
+symbol_iterator COFFObjectFile::begin_dynamic_symbols() const {
+ // TODO: implement
+ report_fatal_error("Dynamic symbols unimplemented in COFFObjectFile");
+}
+
+symbol_iterator COFFObjectFile::end_dynamic_symbols() const {
+ // TODO: implement
+ report_fatal_error("Dynamic symbols unimplemented in COFFObjectFile");
+}
+
+library_iterator COFFObjectFile::begin_libraries_needed() const {
+ // TODO: implement
+ report_fatal_error("Libraries needed unimplemented in COFFObjectFile");
+}
+
+library_iterator COFFObjectFile::end_libraries_needed() const {
+ // TODO: implement
+ report_fatal_error("Libraries needed unimplemented in COFFObjectFile");
+}
+
+StringRef COFFObjectFile::getLoadName() const {
+ // COFF does not have this field.
+ return "";
+}
+
+
section_iterator COFFObjectFile::begin_sections() const {
DataRefImpl ret;
- std::memset(&ret, 0, sizeof(DataRefImpl));
ret.p = reinterpret_cast<intptr_t>(SectionTable);
return section_iterator(SectionRef(ret, this));
}
section_iterator COFFObjectFile::end_sections() const {
DataRefImpl ret;
- std::memset(&ret, 0, sizeof(DataRefImpl));
ret.p = reinterpret_cast<intptr_t>(SectionTable + Header->NumberOfSections);
return section_iterator(SectionRef(ret, this));
}
return object_error::success;
}
+error_code COFFObjectFile::getSectionName(const coff_section *Sec,
+ StringRef &Res) const {
+ StringRef Name;
+ if (Sec->Name[7] == 0)
+ // Null terminated, let ::strlen figure out the length.
+ Name = Sec->Name;
+ else
+ // Not null terminated, use all 8 bytes.
+ Name = StringRef(Sec->Name, 8);
+
+ // Check for string table entry. First byte is '/'.
+ if (Name[0] == '/') {
+ uint32_t Offset;
+ if (Name.substr(1).getAsInteger(10, Offset))
+ return object_error::parse_failed;
+ if (error_code ec = getString(Offset, Name))
+ return ec;
+ }
+
+ Res = Name;
+ return object_error::success;
+}
+
+error_code COFFObjectFile::getSectionContents(const coff_section *Sec,
+ ArrayRef<uint8_t> &Res) const {
+ // The only thing that we need to verify is that the contents is contained
+ // within the file bounds. We don't need to make sure it doesn't cover other
+ // data, as there's nothing that says that is not allowed.
+ uintptr_t ConStart = uintptr_t(base()) + Sec->PointerToRawData;
+ uintptr_t ConEnd = ConStart + Sec->SizeOfRawData;
+ if (ConEnd > uintptr_t(Data->getBufferEnd()))
+ return object_error::parse_failed;
+ Res = ArrayRef<uint8_t>(reinterpret_cast<const unsigned char*>(ConStart),
+ Sec->SizeOfRawData);
+ return object_error::success;
+}
+
const coff_relocation *COFFObjectFile::toRel(DataRefImpl Rel) const {
return reinterpret_cast<const coff_relocation*>(Rel.p);
}
Res = toRel(Rel)->VirtualAddress;
return object_error::success;
}
+error_code COFFObjectFile::getRelocationOffset(DataRefImpl Rel,
+ uint64_t &Res) const {
+ Res = toRel(Rel)->VirtualAddress;
+ return object_error::success;
+}
error_code COFFObjectFile::getRelocationSymbol(DataRefImpl Rel,
SymbolRef &Res) const {
const coff_relocation* R = toRel(Rel);
DataRefImpl Symb;
- std::memset(&Symb, 0, sizeof(Symb));
Symb.p = reinterpret_cast<uintptr_t>(SymbolTable + R->SymbolTableIndex);
Res = SymbolRef(Symb, this);
return object_error::success;
const coff_symbol *symb = 0;
if (error_code ec = getSymbol(reloc->SymbolTableIndex, symb)) return ec;
DataRefImpl sym;
- ::memset(&sym, 0, sizeof(sym));
sym.p = reinterpret_cast<uintptr_t>(symb);
StringRef symname;
if (error_code ec = getSymbolName(sym, symname)) return ec;
return object_error::success;
}
+error_code COFFObjectFile::getLibraryNext(DataRefImpl LibData,
+ LibraryRef &Result) const {
+ report_fatal_error("getLibraryNext not implemented in COFFObjectFile");
+}
+
+error_code COFFObjectFile::getLibraryPath(DataRefImpl LibData,
+ StringRef &Result) const {
+ report_fatal_error("getLibraryPath not implemented in COFFObjectFile");
+}
+
namespace llvm {
ObjectFile *ObjectFile::createCOFFObjectFile(MemoryBuffer *Object) {
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