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[MCJIT] Rewrite RuntimeDyldMachO and its derived classes to use the 'Offset'

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field of RelocationValueRef, rather than the 'Addend' field.

This is consistent with RuntimeDyldELF's use of RelocationValueRef, and more
consistent with the semantics of the data being stored (the offset from the
start of a section or symbol).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217328 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Lang Hames 2014-09-07 04:03:32 +00:00
parent 277bb8dd4d
commit f0ad482410
7 changed files with 18 additions and 18 deletions
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2
lib/ExecutionEngine/RuntimeDyld/RuntimeDyldChecker.cpp
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@ -883,7 +883,7 @@ void RuntimeDyldCheckerImpl::registerStubMap(
for (auto &GSTEntry : getRTDyld().GlobalSymbolTable) {
if (GSTEntry.second.first == StubMapEntry.first.SectionID &&
GSTEntry.second.second ==
static_cast<uint64_t>(StubMapEntry.first.Addend)) {
static_cast<uint64_t>(StubMapEntry.first.Offset)) {
SymbolName = GSTEntry.first();
break;
}

6
lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp
View File

@ -1034,11 +1034,11 @@ relocation_iterator RuntimeDyldELF::processRelocationRef(
createStubFunction(Section.Address + Section.StubOffset);
RelocationEntry REmovz_g3(SectionID, StubTargetAddr - Section.Address,
ELF::R_AARCH64_MOVW_UABS_G3, Value.Addend);
ELF::R_AARCH64_MOVW_UABS_G3, Value.Offset + Addend);
RelocationEntry REmovk_g2(SectionID, StubTargetAddr - Section.Address + 4,
ELF::R_AARCH64_MOVW_UABS_G2_NC, Value.Addend);
ELF::R_AARCH64_MOVW_UABS_G2_NC, Value.Offset + Addend);
RelocationEntry REmovk_g1(SectionID, StubTargetAddr - Section.Address + 8,
ELF::R_AARCH64_MOVW_UABS_G1_NC, Value.Addend);
ELF::R_AARCH64_MOVW_UABS_G1_NC, Value.Offset + Addend);
RelocationEntry REmovk_g0(SectionID,
StubTargetAddr - Section.Address + 12,
ELF::R_AARCH64_MOVW_UABS_G0_NC, Value.Addend);

10
lib/ExecutionEngine/RuntimeDyld/RuntimeDyldMachO.cpp
View File

@ -53,15 +53,15 @@ RelocationValueRef RuntimeDyldMachO::getRelocationValueRef(
SymbolTableMap::const_iterator SI = Symbols.find(TargetName.data());
if (SI != Symbols.end()) {
Value.SectionID = SI->second.first;
Value.Addend = SI->second.second + RE.Addend;
Value.Offset = SI->second.second + RE.Addend;
} else {
SI = GlobalSymbolTable.find(TargetName.data());
if (SI != GlobalSymbolTable.end()) {
Value.SectionID = SI->second.first;
Value.Addend = SI->second.second + RE.Addend;
Value.Offset = SI->second.second + RE.Addend;
} else {
Value.SymbolName = TargetName.data();
Value.Addend = RE.Addend;
Value.Offset = RE.Addend;
}
}
} else {
@ -71,7 +71,7 @@ RelocationValueRef RuntimeDyldMachO::getRelocationValueRef(
Value.SectionID = findOrEmitSection(ObjImg, Sec, IsCode, ObjSectionToID);
uint64_t Addr;
Sec.getAddress(Addr);
Value.Addend = RE.Addend - Addr;
Value.Offset = RE.Addend - Addr;
}
return Value;
@ -90,7 +90,7 @@ void RuntimeDyldMachO::makeValueAddendPCRel(RelocationValueRef &Value,
if (IsPCRel) {
uint64_t RelocAddr = 0;
RI->getAddress(RelocAddr);
Value.Addend += RelocAddr + OffsetToNextPC;
Value.Offset += RelocAddr + OffsetToNextPC;
}
}

6
lib/ExecutionEngine/RuntimeDyld/Targets/RuntimeDyldMachOAArch64.h
View File

@ -277,14 +277,14 @@ public:
"ARM64_RELOC_ADDEND and embedded addend in the instruction.");
if (ExplicitAddend) {
RE.Addend = ExplicitAddend;
Value.Addend = ExplicitAddend;
Value.Offset = ExplicitAddend;
}
bool IsExtern = Obj.getPlainRelocationExternal(RelInfo);
if (!IsExtern && RE.IsPCRel)
makeValueAddendPCRel(Value, ObjImg, RelI, 1 << RE.Size);
RE.Addend = Value.Addend;
RE.Addend = Value.Offset;
if (RE.RelType == MachO::ARM64_RELOC_GOT_LOAD_PAGE21 ||
RE.RelType == MachO::ARM64_RELOC_GOT_LOAD_PAGEOFF12)
@ -384,7 +384,7 @@ private:
assert(((StubAddress % getStubAlignment()) == 0) &&
"GOT entry not aligned");
RelocationEntry GOTRE(RE.SectionID, StubOffset,
MachO::ARM64_RELOC_UNSIGNED, Value.Addend,
MachO::ARM64_RELOC_UNSIGNED, Value.Offset,
/*IsPCRel=*/false, /*Size=*/3);
if (Value.SymbolName)
addRelocationForSymbol(GOTRE, Value.SymbolName);

4
lib/ExecutionEngine/RuntimeDyld/Targets/RuntimeDyldMachOARM.h
View File

@ -71,7 +71,7 @@ public:
if ((RE.RelType & 0xf) == MachO::ARM_RELOC_BR24)
processBranchRelocation(RE, Value, Stubs);
else {
RE.Addend = Value.Addend;
RE.Addend = Value.Offset;
if (Value.SymbolName)
addRelocationForSymbol(RE, Value.SymbolName);
else
@ -152,7 +152,7 @@ private:
uint8_t *StubTargetAddr =
createStubFunction(Section.Address + Section.StubOffset);
RelocationEntry StubRE(RE.SectionID, StubTargetAddr - Section.Address,
MachO::GENERIC_RELOC_VANILLA, Value.Addend, false,
MachO::GENERIC_RELOC_VANILLA, Value.Offset, false,
2);
if (Value.SymbolName)
addRelocationForSymbol(StubRE, Value.SymbolName);

2
lib/ExecutionEngine/RuntimeDyld/Targets/RuntimeDyldMachOI386.h
View File

@ -68,7 +68,7 @@ public:
if (RE.IsPCRel)
makeValueAddendPCRel(Value, ObjImg, RelI, 1 << RE.Size);
RE.Addend = Value.Addend;
RE.Addend = Value.Offset;
if (Value.SymbolName)
addRelocationForSymbol(RE, Value.SymbolName);

6
lib/ExecutionEngine/RuntimeDyld/Targets/RuntimeDyldMachOX86_64.h
View File

@ -54,7 +54,7 @@ public:
RE.RelType == MachO::X86_64_RELOC_GOT_LOAD)
processGOTRelocation(RE, Value, Stubs);
else {
RE.Addend = Value.Addend;
RE.Addend = Value.Offset;
if (Value.SymbolName)
addRelocationForSymbol(RE, Value.SymbolName);
else
@ -106,7 +106,7 @@ private:
SectionEntry &Section = Sections[RE.SectionID];
assert(RE.IsPCRel);
assert(RE.Size == 2);
Value.Addend -= RE.Addend;
Value.Offset -= RE.Addend;
RuntimeDyldMachO::StubMap::const_iterator i = Stubs.find(Value);
uint8_t *Addr;
if (i != Stubs.end()) {
@ -115,7 +115,7 @@ private:
Stubs[Value] = Section.StubOffset;
uint8_t *GOTEntry = Section.Address + Section.StubOffset;
RelocationEntry GOTRE(RE.SectionID, Section.StubOffset,
MachO::X86_64_RELOC_UNSIGNED, Value.Addend, false,
MachO::X86_64_RELOC_UNSIGNED, Value.Offset, false,
3);
if (Value.SymbolName)
addRelocationForSymbol(GOTRE, Value.SymbolName);