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-rw-r--r--contrib/llvm/lib/Target/SystemZ/MCTargetDesc/SystemZMCObjectWriter.cpp52
1 files changed, 48 insertions, 4 deletions
diff --git a/contrib/llvm/lib/Target/SystemZ/MCTargetDesc/SystemZMCObjectWriter.cpp b/contrib/llvm/lib/Target/SystemZ/MCTargetDesc/SystemZMCObjectWriter.cpp
index c6a1816..ee1af02 100644
--- a/contrib/llvm/lib/Target/SystemZ/MCTargetDesc/SystemZMCObjectWriter.cpp
+++ b/contrib/llvm/lib/Target/SystemZ/MCTargetDesc/SystemZMCObjectWriter.cpp
@@ -20,7 +20,7 @@ class SystemZObjectWriter : public MCELFObjectTargetWriter {
public:
SystemZObjectWriter(uint8_t OSABI);
- virtual ~SystemZObjectWriter();
+ ~SystemZObjectWriter() override;
protected:
// Override MCELFObjectTargetWriter.
@@ -55,8 +55,6 @@ static unsigned getPCRelReloc(unsigned Kind) {
case FK_Data_8: return ELF::R_390_PC64;
case SystemZ::FK_390_PC16DBL: return ELF::R_390_PC16DBL;
case SystemZ::FK_390_PC32DBL: return ELF::R_390_PC32DBL;
- case SystemZ::FK_390_PLT16DBL: return ELF::R_390_PLT16DBL;
- case SystemZ::FK_390_PLT32DBL: return ELF::R_390_PLT32DBL;
}
llvm_unreachable("Unsupported PC-relative address");
}
@@ -70,6 +68,35 @@ static unsigned getTLSLEReloc(unsigned Kind) {
llvm_unreachable("Unsupported absolute address");
}
+// Return the R_390_TLS_LDO* relocation type for MCFixupKind Kind.
+static unsigned getTLSLDOReloc(unsigned Kind) {
+ switch (Kind) {
+ case FK_Data_4: return ELF::R_390_TLS_LDO32;
+ case FK_Data_8: return ELF::R_390_TLS_LDO64;
+ }
+ llvm_unreachable("Unsupported absolute address");
+}
+
+// Return the R_390_TLS_LDM* relocation type for MCFixupKind Kind.
+static unsigned getTLSLDMReloc(unsigned Kind) {
+ switch (Kind) {
+ case FK_Data_4: return ELF::R_390_TLS_LDM32;
+ case FK_Data_8: return ELF::R_390_TLS_LDM64;
+ case SystemZ::FK_390_TLS_CALL: return ELF::R_390_TLS_LDCALL;
+ }
+ llvm_unreachable("Unsupported absolute address");
+}
+
+// Return the R_390_TLS_GD* relocation type for MCFixupKind Kind.
+static unsigned getTLSGDReloc(unsigned Kind) {
+ switch (Kind) {
+ case FK_Data_4: return ELF::R_390_TLS_GD32;
+ case FK_Data_8: return ELF::R_390_TLS_GD64;
+ case SystemZ::FK_390_TLS_CALL: return ELF::R_390_TLS_GDCALL;
+ }
+ llvm_unreachable("Unsupported absolute address");
+}
+
// Return the PLT relocation counterpart of MCFixupKind Kind.
static unsigned getPLTReloc(unsigned Kind) {
switch (Kind) {
@@ -94,6 +121,23 @@ unsigned SystemZObjectWriter::GetRelocType(const MCValue &Target,
assert(!IsPCRel && "NTPOFF shouldn't be PC-relative");
return getTLSLEReloc(Kind);
+ case MCSymbolRefExpr::VK_INDNTPOFF:
+ if (IsPCRel && Kind == SystemZ::FK_390_PC32DBL)
+ return ELF::R_390_TLS_IEENT;
+ llvm_unreachable("Only PC-relative INDNTPOFF accesses are supported for now");
+
+ case MCSymbolRefExpr::VK_DTPOFF:
+ assert(!IsPCRel && "DTPOFF shouldn't be PC-relative");
+ return getTLSLDOReloc(Kind);
+
+ case MCSymbolRefExpr::VK_TLSLDM:
+ assert(!IsPCRel && "TLSLDM shouldn't be PC-relative");
+ return getTLSLDMReloc(Kind);
+
+ case MCSymbolRefExpr::VK_TLSGD:
+ assert(!IsPCRel && "TLSGD shouldn't be PC-relative");
+ return getTLSGDReloc(Kind);
+
case MCSymbolRefExpr::VK_GOT:
if (IsPCRel && Kind == SystemZ::FK_390_PC32DBL)
return ELF::R_390_GOTENT;
@@ -108,7 +152,7 @@ unsigned SystemZObjectWriter::GetRelocType(const MCValue &Target,
}
}
-MCObjectWriter *llvm::createSystemZObjectWriter(raw_ostream &OS,
+MCObjectWriter *llvm::createSystemZObjectWriter(raw_pwrite_stream &OS,
uint8_t OSABI) {
MCELFObjectTargetWriter *MOTW = new SystemZObjectWriter(OSABI);
return createELFObjectWriter(MOTW, OS, /*IsLittleEndian=*/false);
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