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[MCJIT] Make RuntimeDyld dump section contents in -debug mode.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@216400 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Lang Hames 2014-08-25 18:37:38 +00:00
parent 8c96862847
commit f9526ac188
2 changed files with 34 additions and 4 deletions
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34
lib/ExecutionEngine/RuntimeDyld/RuntimeDyld.cpp
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@ -41,6 +41,35 @@ void RuntimeDyldImpl::registerEHFrames() {}
void RuntimeDyldImpl::deregisterEHFrames() {}
static void dumpSectionMemory(const SectionEntry &S) {
dbgs() << "----- Contents of section " << S.Name << " -----";
uint8_t *DataAddr = S.Address;
uint64_t LoadAddr = S.LoadAddress;
unsigned StartPadding = LoadAddr & 7;
unsigned BytesRemaining = S.Size;
if (StartPadding) {
dbgs() << "\n" << format("0x%08x", LoadAddr & ~7) << ":";
while (StartPadding--)
dbgs() << " ";
}
while (BytesRemaining > 0) {
if ((LoadAddr & 7) == 0)
dbgs() << "\n" << format("0x%08x", LoadAddr) << ":";
dbgs() << " " << format("%02x", *DataAddr);
++DataAddr;
++LoadAddr;
--BytesRemaining;
}
dbgs() << "\n";
}
// Resolve the relocations for all symbols we currently know about.
void RuntimeDyldImpl::resolveRelocations() {
MutexGuard locked(lock);
@ -56,7 +85,8 @@ void RuntimeDyldImpl::resolveRelocations() {
// entry provides the section to which the relocation will be applied.
uint64_t Addr = Sections[i].LoadAddress;
DEBUG(dbgs() << "Resolving relocations Section #" << i << "\t"
<< format("%p", (uint8_t *)Addr) << "\n");
<< format("0x%x", Addr) << "\n");
DEBUG(dumpSectionMemory(Sections[i]));
resolveRelocationList(Relocations[i], Addr);
Relocations.erase(i);
}
@ -371,7 +401,7 @@ void RuntimeDyldImpl::emitCommonSymbols(ObjectImage &Obj,
if (!Addr)
report_fatal_error("Unable to allocate memory for common symbols!");
uint64_t Offset = 0;
Sections.push_back(SectionEntry(StringRef(), Addr, TotalSize, 0));
Sections.push_back(SectionEntry("<common symbols>", Addr, TotalSize, 0));
memset(Addr, 0, TotalSize);
DEBUG(dbgs() << "emitCommonSection SectionID: " << SectionID << " new addr: "

4
lib/ExecutionEngine/RuntimeDyld/RuntimeDyldMachO.cpp
View File

@ -104,8 +104,8 @@ void RuntimeDyldMachO::dumpRelocationToResolve(const RelocationEntry &RE,
dbgs() << "resolveRelocation Section: " << RE.SectionID
<< " LocalAddress: " << format("%p", LocalAddress)
<< " FinalAddress: " << format("%p", FinalAddress)
<< " Value: " << format("%p", Value) << " Addend: " << RE.Addend
<< " FinalAddress: " << format("0x%x", FinalAddress)
<< " Value: " << format("0x%x", Value) << " Addend: " << RE.Addend
<< " isPCRel: " << RE.IsPCRel << " MachoType: " << RE.RelType
<< " Size: " << (1 << RE.Size) << "\n";
}