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-rw-r--r--contrib/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyld.cpp46
1 files changed, 17 insertions, 29 deletions
diff --git a/contrib/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyld.cpp b/contrib/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyld.cpp
index fa50182..93287a3 100644
--- a/contrib/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyld.cpp
+++ b/contrib/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyld.cpp
@@ -113,28 +113,12 @@ void RuntimeDyldImpl::mapSectionAddress(const void *LocalAddress,
llvm_unreachable("Attempting to remap address of unknown section!");
}
-static std::error_code getOffset(const SymbolRef &Sym, uint64_t &Result) {
- uint64_t Address;
- if (std::error_code EC = Sym.getAddress(Address))
+static std::error_code getOffset(const SymbolRef &Sym, SectionRef Sec,
+ uint64_t &Result) {
+ ErrorOr<uint64_t> AddressOrErr = Sym.getAddress();
+ if (std::error_code EC = AddressOrErr.getError())
return EC;
-
- if (Address == UnknownAddress) {
- Result = UnknownAddress;
- return std::error_code();
- }
-
- const ObjectFile *Obj = Sym.getObject();
- section_iterator SecI(Obj->section_begin());
- if (std::error_code EC = Sym.getSection(SecI))
- return EC;
-
- if (SecI == Obj->section_end()) {
- Result = UnknownAddress;
- return std::error_code();
- }
-
- uint64_t SectionAddress = SecI->getAddress();
- Result = Address - SectionAddress;
+ Result = *AddressOrErr - Sec.getAddress();
return std::error_code();
}
@@ -184,12 +168,12 @@ RuntimeDyldImpl::loadObjectImpl(const object::ObjectFile &Obj) {
ErrorOr<StringRef> NameOrErr = I->getName();
Check(NameOrErr.getError());
StringRef Name = *NameOrErr;
- uint64_t SectOffset;
- Check(getOffset(*I, SectOffset));
section_iterator SI = Obj.section_end();
Check(I->getSection(SI));
if (SI == Obj.section_end())
continue;
+ uint64_t SectOffset;
+ Check(getOffset(*I, *SI, SectOffset));
StringRef SectionData;
Check(SI->getContents(SectionData));
bool IsCode = SI->isText();
@@ -814,12 +798,16 @@ void RuntimeDyldImpl::resolveExternalSymbols() {
report_fatal_error("Program used external function '" + Name +
"' which could not be resolved!");
- DEBUG(dbgs() << "Resolving relocations Name: " << Name << "\t"
- << format("0x%lx", Addr) << "\n");
- // This list may have been updated when we called getSymbolAddress, so
- // don't change this code to get the list earlier.
- RelocationList &Relocs = i->second;
- resolveRelocationList(Relocs, Addr);
+ // If Resolver returned UINT64_MAX, the client wants to handle this symbol
+ // manually and we shouldn't resolve its relocations.
+ if (Addr != UINT64_MAX) {
+ DEBUG(dbgs() << "Resolving relocations Name: " << Name << "\t"
+ << format("0x%lx", Addr) << "\n");
+ // This list may have been updated when we called getSymbolAddress, so
+ // don't change this code to get the list earlier.
+ RelocationList &Relocs = i->second;
+ resolveRelocationList(Relocs, Addr);
+ }
}
ExternalSymbolRelocations.erase(i);
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