Index: lld/trunk/ELF/Target.cpp =================================================================== --- lld/trunk/ELF/Target.cpp +++ lld/trunk/ELF/Target.cpp @@ -198,6 +198,8 @@ void writePltEntry(uint8_t *Buf, uint64_t GotAddr, uint64_t GotEntryAddr, uint64_t PltEntryAddr, int32_t Index, unsigned RelOff) const override; + unsigned getTlsGotReloc(unsigned Type = -1) const override; + bool isTlsDynReloc(unsigned Type, const SymbolBody &S) const override; bool needsCopyRel(uint32_t Type, const SymbolBody &S) const override; bool relocNeedsGot(uint32_t Type, const SymbolBody &S) const override; bool relocNeedsPlt(uint32_t Type, const SymbolBody &S) const override; @@ -1179,6 +1181,7 @@ IRelativeReloc = R_AARCH64_IRELATIVE; GotReloc = R_AARCH64_GLOB_DAT; PltReloc = R_AARCH64_JUMP_SLOT; + TlsGotReloc = R_AARCH64_TLS_TPREL64; LazyRelocations = true; PltEntrySize = 16; PltZeroEntrySize = 32; @@ -1238,6 +1241,19 @@ GotEntryAddr); } +unsigned AArch64TargetInfo::getTlsGotReloc(unsigned Type) const { + if (Type == R_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21 || + Type == R_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC) + return Type; + return TlsGotReloc; +} + +bool AArch64TargetInfo::isTlsDynReloc(unsigned Type, + const SymbolBody &S) const { + return Type == R_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21 || + Type == R_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC; +} + bool AArch64TargetInfo::needsCopyRel(uint32_t Type, const SymbolBody &S) const { if (Config->Shared) return false; @@ -1261,8 +1277,15 @@ bool AArch64TargetInfo::relocNeedsGot(uint32_t Type, const SymbolBody &S) const { - return Type == R_AARCH64_ADR_GOT_PAGE || Type == R_AARCH64_LD64_GOT_LO12_NC || - relocNeedsPlt(Type, S); + switch (Type) { + case R_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC: + case R_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21: + case R_AARCH64_ADR_GOT_PAGE: + case R_AARCH64_LD64_GOT_LO12_NC: + return true; + default: + return relocNeedsPlt(Type, S); + } } bool AArch64TargetInfo::relocNeedsPlt(uint32_t Type, @@ -1328,7 +1351,8 @@ updateAArch64Adr(Loc, X & 0x1FFFFF); break; } - case R_AARCH64_ADR_PREL_PG_HI21: { + case R_AARCH64_ADR_PREL_PG_HI21: + case R_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21: { uint64_t X = getAArch64Page(SA) - getAArch64Page(P); checkInt<33>(X, Type); updateAArch64Adr(Loc, (X >> 12) & 0x1FFFFF); // X[32:12] @@ -1348,6 +1372,7 @@ break; } case R_AARCH64_LD64_GOT_LO12_NC: + case R_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC: checkAlignment<8>(SA, Type); or32le(Loc, (SA & 0xFF8) << 7); break; Index: lld/trunk/test/ELF/aarch64-tls-ie.s =================================================================== --- lld/trunk/test/ELF/aarch64-tls-ie.s +++ lld/trunk/test/ELF/aarch64-tls-ie.s @@ -0,0 +1,49 @@ +# RUN: llvm-mc -filetype=obj -triple=aarch64-unknown-freebsd %p/Inputs/aarch64-tls-ie.s -o %tdso.o +# RUN: llvm-mc -filetype=obj -triple=aarch64-unknown-freebsd %s -o %tmain.o +# RUN: ld.lld -shared %tdso.o -o %tdso.so +# RUN: ld.lld %tmain.o %tdso.so -o %tout +# RUN: llvm-objdump -d %tout | FileCheck %s +# RUN: llvm-readobj -s -r %tout | FileCheck -check-prefix=RELOC %s +# REQUIRES: aarch64 + +#RELOC: Section { +#RELOC: Index: +#RELOC: Name: .got +#RELOC-NEXT: Type: SHT_PROGBITS +#RELOC-NEXT: Flags [ +#RELOC-NEXT: SHF_ALLOC +#RELOC-NEXT: SHF_WRITE +#RELOC-NEXT: ] +#RELOC-NEXT: Address: 0x120B0 +#RELOC-NEXT: Offset: 0x20B0 +#RELOC-NEXT: Size: 16 +#RELOC-NEXT: Link: 0 +#RELOC-NEXT: Info: 0 +#RELOC-NEXT: AddressAlignment: 8 +#RELOC-NEXT: EntrySize: 0 +#RELOC-NEXT: } +#RELOC: Relocations [ +#RELOC-NEXT: Section ({{.*}}) .rela.dyn { +#RELOC-NEXT: 0x120B0 R_AARCH64_TLS_TPREL64 foo 0x0 +#RELOC-NEXT: 0x120B8 R_AARCH64_TLS_TPREL64 bar 0x0 +#RELOC-NEXT: } +#RELOC-NEXT:] + +# Page(0x120B0) - Page(0x11000) = 0x1000 = 4096 +# 0x120B0 & 0xff8 = 0xB0 = 176 +# Page(0x120B8) - Page(0x11000) = 0x1000 = 4096 +# 0x120B8 & 0xff8 = 0xB8 = 184 +#CHECK: Disassembly of section .text: +#CHECK: _start: +#CHECK: 11000: 00 00 00 b0 adrp x0, #4096 +#CHECK: 11004: 00 58 40 f9 ldr x0, [x0, #176] +#CHECK: 11008: 00 00 00 b0 adrp x0, #4096 +#CHECK: 1100c: 00 5c 40 f9 ldr x0, [x0, #184] + +.globl _start +_start: + adrp x0, :gottprel:foo + ldr x0, [x0, #:gottprel_lo12:foo] + + adrp x0, :gottprel:bar + ldr x0, [x0, #:gottprel_lo12:bar]