/// \file
/// \brief This file implements the COFF-specific dumper for llvm-objdump.
/// It outputs the Win64 EH data structures as plain text.
-/// The encoding of the unwind codes is decribed in MSDN:
+/// The encoding of the unwind codes is described in MSDN:
/// http://msdn.microsoft.com/en-us/library/ck9asaa9.aspx
///
//===----------------------------------------------------------------------===//
const SymbolRef &Sym,
const coff_section *&ResolvedSection,
uint64_t &ResolvedAddr) {
- if (error_code ec = Sym.getAddress(ResolvedAddr)) return ec;
- section_iterator iter(Obj->begin_sections());
- if (error_code ec = Sym.getSection(iter)) return ec;
+ if (error_code EC = Sym.getAddress(ResolvedAddr))
+ return EC;
+ section_iterator iter(Obj->section_begin());
+ if (error_code EC = Sym.getSection(iter))
+ return EC;
ResolvedSection = Obj->getCOFFSection(iter);
return object_error::success;
}
E = Rels.end();
I != E; ++I) {
uint64_t Ofs;
- if (error_code ec = I->getOffset(Ofs)) return ec;
+ if (error_code EC = I->getOffset(Ofs))
+ return EC;
if (Ofs == Offset) {
Sym = *I->getSymbol();
break;
SymbolRef Sym;
if (error_code ec = resolveSymbol(Rels, Offset, Sym)) return ec;
const coff_section *Section;
- if (error_code ec = resolveSectionAndAddress(Obj, Sym, Section, Addr))
- return ec;
- if (error_code ec = Obj->getSectionContents(Section, Contents)) return ec;
+ if (error_code EC = resolveSectionAndAddress(Obj, Sym, Section, Addr))
+ return EC;
+ if (error_code EC = Obj->getSectionContents(Section, Contents))
+ return EC;
return object_error::success;
}
static error_code resolveSymbolName(const std::vector<RelocationRef> &Rels,
uint64_t Offset, StringRef &Name) {
SymbolRef Sym;
- if (error_code ec = resolveSymbol(Rels, Offset, Sym)) return ec;
- if (error_code ec = Sym.getName(Name)) return ec;
+ if (error_code EC = resolveSymbol(Rels, Offset, Sym))
+ return EC;
+ if (error_code EC = Sym.getName(Name))
+ return EC;
return object_error::success;
}
const std::vector<RelocationRef> &Rels,
uint64_t Offset, uint32_t Disp) {
StringRef Sym;
- if (error_code ec = resolveSymbolName(Rels, Offset, Sym)) {
- error(ec);
+ if (error_code EC = resolveSymbolName(Rels, Offset, Sym)) {
+ error(EC);
return ;
}
Out << Sym;
Out << format(" + 0x%04x", Disp);
}
+static void
+printSEHTable(const COFFObjectFile *Obj, uint32_t TableVA, int Count) {
+ if (Count == 0)
+ return;
+
+ const pe32_header *PE32Header;
+ if (error(Obj->getPE32Header(PE32Header)))
+ return;
+ uint32_t ImageBase = PE32Header->ImageBase;
+ uintptr_t IntPtr = 0;
+ if (error(Obj->getVaPtr(TableVA, IntPtr)))
+ return;
+ const support::ulittle32_t *P = (const support::ulittle32_t *)IntPtr;
+ outs() << "SEH Table:";
+ for (int I = 0; I < Count; ++I)
+ outs() << format(" 0x%x", P[I] + ImageBase);
+ outs() << "\n\n";
+}
+
+static void printLoadConfiguration(const COFFObjectFile *Obj) {
+ const coff_file_header *Header;
+ if (error(Obj->getCOFFHeader(Header)))
+ return;
+ // Currently only x86 is supported
+ if (Header->Machine != COFF::IMAGE_FILE_MACHINE_I386)
+ return;
+
+ const data_directory *DataDir;
+ if (error(Obj->getDataDirectory(COFF::LOAD_CONFIG_TABLE, DataDir)))
+ return;
+ uintptr_t IntPtr = 0;
+ if (DataDir->RelativeVirtualAddress == 0)
+ return;
+ if (error(Obj->getRvaPtr(DataDir->RelativeVirtualAddress, IntPtr)))
+ return;
+
+ const coff_load_configuration32 *LoadConf =
+ reinterpret_cast<const coff_load_configuration32 *>(IntPtr);
+
+ outs() << "Load configuration:"
+ << "\n Timestamp: " << LoadConf->TimeDateStamp
+ << "\n Major Version: " << LoadConf->MajorVersion
+ << "\n Minor Version: " << LoadConf->MinorVersion
+ << "\n GlobalFlags Clear: " << LoadConf->GlobalFlagsClear
+ << "\n GlobalFlags Set: " << LoadConf->GlobalFlagsSet
+ << "\n Critical Section Default Timeout: " << LoadConf->CriticalSectionDefaultTimeout
+ << "\n Decommit Free Block Threshold: " << LoadConf->DeCommitFreeBlockThreshold
+ << "\n Decommit Total Free Threshold: " << LoadConf->DeCommitTotalFreeThreshold
+ << "\n Lock Prefix Table: " << LoadConf->LockPrefixTable
+ << "\n Maximum Allocation Size: " << LoadConf->MaximumAllocationSize
+ << "\n Virtual Memory Threshold: " << LoadConf->VirtualMemoryThreshold
+ << "\n Process Affinity Mask: " << LoadConf->ProcessAffinityMask
+ << "\n Process Heap Flags: " << LoadConf->ProcessHeapFlags
+ << "\n CSD Version: " << LoadConf->CSDVersion
+ << "\n Security Cookie: " << LoadConf->SecurityCookie
+ << "\n SEH Table: " << LoadConf->SEHandlerTable
+ << "\n SEH Count: " << LoadConf->SEHandlerCount
+ << "\n\n";
+ printSEHTable(Obj, LoadConf->SEHandlerTable, LoadConf->SEHandlerCount);
+ outs() << "\n";
+}
+
// Prints import tables. The import table is a table containing the list of
// DLL name and symbol names which will be linked by the loader.
static void printImportTables(const COFFObjectFile *Obj) {
- import_directory_iterator i = Obj->import_directory_begin();
- import_directory_iterator e = Obj->import_directory_end();
- if (i == e)
+ import_directory_iterator I = Obj->import_directory_begin();
+ import_directory_iterator E = Obj->import_directory_end();
+ if (I == E)
return;
outs() << "The Import Tables:\n";
- error_code ec;
- for (; i != e; i = i.increment(ec)) {
- if (ec)
- return;
-
+ for (; I != E; I = ++I) {
const import_directory_table_entry *Dir;
StringRef Name;
- if (i->getImportTableEntry(Dir)) return;
- if (i->getName(Name)) return;
+ if (I->getImportTableEntry(Dir)) return;
+ if (I->getName(Name)) return;
outs() << format(" lookup %08x time %08x fwd %08x name %08x addr %08x\n\n",
static_cast<uint32_t>(Dir->ImportLookupTableRVA),
outs() << " DLL Name: " << Name << "\n";
outs() << " Hint/Ord Name\n";
const import_lookup_table_entry32 *entry;
- if (i->getImportLookupEntry(entry))
+ if (I->getImportLookupEntry(entry))
return;
for (; entry->data; ++entry) {
if (entry->isOrdinal()) {
}
}
+// Prints export tables. The export table is a table containing the list of
+// exported symbol from the DLL.
+static void printExportTable(const COFFObjectFile *Obj) {
+ outs() << "Export Table:\n";
+ export_directory_iterator I = Obj->export_directory_begin();
+ export_directory_iterator E = Obj->export_directory_end();
+ if (I == E)
+ return;
+ StringRef DllName;
+ uint32_t OrdinalBase;
+ if (I->getDllName(DllName))
+ return;
+ if (I->getOrdinalBase(OrdinalBase))
+ return;
+ outs() << " DLL name: " << DllName << "\n";
+ outs() << " Ordinal base: " << OrdinalBase << "\n";
+ outs() << " Ordinal RVA Name\n";
+ for (; I != E; I = ++I) {
+ uint32_t Ordinal;
+ if (I->getOrdinal(Ordinal))
+ return;
+ uint32_t RVA;
+ if (I->getExportRVA(RVA))
+ return;
+ outs() << format(" % 4d %# 8x", Ordinal, RVA);
+
+ StringRef Name;
+ if (I->getSymbolName(Name))
+ continue;
+ if (!Name.empty())
+ outs() << " " << Name;
+ outs() << "\n";
+ }
+}
+
void llvm::printCOFFUnwindInfo(const COFFObjectFile *Obj) {
const coff_file_header *Header;
if (error(Obj->getCOFFHeader(Header))) return;
const coff_section *Pdata = 0;
- error_code ec;
- for (section_iterator SI = Obj->begin_sections(),
- SE = Obj->end_sections();
- SI != SE; SI.increment(ec)) {
- if (error(ec)) return;
-
+ for (section_iterator SI = Obj->section_begin(), SE = Obj->section_end();
+ SI != SE; ++SI) {
StringRef Name;
if (error(SI->getName(Name))) continue;
Pdata = Obj->getCOFFSection(SI);
std::vector<RelocationRef> Rels;
- for (relocation_iterator RI = SI->begin_relocations(),
- RE = SI->end_relocations();
- RI != RE; RI.increment(ec)) {
- if (error(ec)) break;
+ for (relocation_iterator RI = SI->relocation_begin(),
+ RE = SI->relocation_end();
+ RI != RE; ++RI)
Rels.push_back(*RI);
- }
// Sort relocations by address.
std::sort(Rels.begin(), Rels.end(), RelocAddressLess);
}
void llvm::printCOFFFileHeader(const object::ObjectFile *Obj) {
- printImportTables(dyn_cast<const COFFObjectFile>(Obj));
+ const COFFObjectFile *file = dyn_cast<const COFFObjectFile>(Obj);
+ printLoadConfiguration(file);
+ printImportTables(file);
+ printExportTable(file);
}
projects / oota-llvm.git / blobdiff