//===----------------------------------------------------------------------===//
#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"
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));
}
return object_error::success;
}
+error_code COFFObjectFile::getSymbolValue(DataRefImpl Symb,
+ uint64_t &Val) const {
+ report_fatal_error("getSymbolValue unimplemented in COFFObjectFile");
+}
+
error_code COFFObjectFile::getSectionNext(DataRefImpl Sec,
SectionRef &Result) const {
const coff_section *sec = toSec(Sec);
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::isSectionReadOnlyData(DataRefImpl Sec,
+ bool &Result) const {
+ // FIXME: Unimplemented.
+ Result = false;
+ return object_error::success;
+}
+
error_code COFFObjectFile::sectionContainsSymbol(DataRefImpl Sec,
DataRefImpl Symb,
bool &Result) const {
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));
}
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;
}
+ArrayRef<uint8_t> COFFObjectFile::getSymbolAuxData(
+ const coff_symbol *symbol) const {
+ const uint8_t *aux = NULL;
+
+ if ( symbol->NumberOfAuxSymbols > 0 ) {
+ // AUX data comes immediately after the symbol in COFF
+ aux = reinterpret_cast<const uint8_t *>(symbol + 1);
+# ifndef NDEBUG
+ // Verify that the aux symbol points to a valid entry in the symbol table.
+ uintptr_t offset = uintptr_t(aux) - uintptr_t(base());
+ if (offset < Header->PointerToSymbolTable
+ || offset >= Header->PointerToSymbolTable
+ + (Header->NumberOfSymbols * sizeof(coff_symbol)))
+ report_fatal_error("Aux Symbol data was outside of symbol table.");
+
+ assert((offset - Header->PointerToSymbolTable) % sizeof(coff_symbol)
+ == 0 && "Aux Symbol data did not point to the beginning of a symbol");
+# endif
+ }
+ return ArrayRef<uint8_t>(aux, symbol->NumberOfAuxSymbols * sizeof(coff_symbol));
+}
+
+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);
}
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;
return object_error::success;
}
+const coff_section *COFFObjectFile::getCOFFSection(section_iterator &It) const {
+ return toSec(It->getRawDataRefImpl());
+}
+
+const coff_symbol *COFFObjectFile::getCOFFSymbol(symbol_iterator &It) const {
+ return toSymb(It->getRawDataRefImpl());
+}
+
+const coff_relocation *COFFObjectFile::getCOFFRelocation(
+ relocation_iterator &It) const {
+ return toRel(It->getRawDataRefImpl());
+}
+
+
#define LLVM_COFF_SWITCH_RELOC_TYPE_NAME(enum) \
case COFF::enum: res = #enum; break;
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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