diff options
-rw-r--r-- | lld/ELF/OutputSections.cpp | 31 | ||||
-rw-r--r-- | lld/ELF/OutputSections.h | 2 | ||||
-rw-r--r-- | lld/ELF/Relocations.cpp | 8 | ||||
-rw-r--r-- | lld/test/ELF/mips-tls-64.s | 116 | ||||
-rw-r--r-- | lld/test/ELF/mips-tls-static.s | 12 | ||||
-rw-r--r-- | lld/test/ELF/mips-tls.s | 99 |
6 files changed, 179 insertions, 89 deletions
diff --git a/lld/ELF/OutputSections.cpp b/lld/ELF/OutputSections.cpp index f2451209023..278e5c586e5 100644 --- a/lld/ELF/OutputSections.cpp +++ b/lld/ELF/OutputSections.cpp @@ -261,7 +261,7 @@ template <class ELFT> void GotSection<ELFT>::finalize() { this->Header.sh_size = EntriesNum * sizeof(uintX_t); } -template <class ELFT> void GotSection<ELFT>::writeMipsGot(uint8_t *&Buf) { +template <class ELFT> void GotSection<ELFT>::writeMipsGot(uint8_t *Buf) { // Set the MSB of the second GOT slot. This is not required by any // MIPS ABI documentation, though. // @@ -293,11 +293,38 @@ template <class ELFT> void GotSection<ELFT>::writeMipsGot(uint8_t *&Buf) { }; std::for_each(std::begin(MipsLocal), std::end(MipsLocal), AddEntry); std::for_each(std::begin(MipsGlobal), std::end(MipsGlobal), AddEntry); + // Initialize TLS-related GOT entries. If the entry has a corresponding + // dynamic relocations, leave it initialized by zero. Write down adjusted + // TLS symbol's values otherwise. To calculate the adjustments use offsets + // for thread-local storage. + // https://www.linux-mips.org/wiki/NPTL + if (TlsIndexOff != -1U && !Config->Pic) + write<uintX_t, ELFT::TargetEndianness, sizeof(uintX_t)>(Buf + TlsIndexOff, + 1); + for (const SymbolBody *B : Entries) { + if (!B || B->isPreemptible()) + continue; + uintX_t VA = B->getVA<ELFT>(); + if (B->GotIndex != -1U) { + uint8_t *Entry = Buf + B->GotIndex * sizeof(uintX_t); + write<uintX_t, ELFT::TargetEndianness, sizeof(uintX_t)>(Entry, + VA - 0x7000); + } + if (B->GlobalDynIndex != -1U) { + uint8_t *Entry = Buf + B->GlobalDynIndex * sizeof(uintX_t); + write<uintX_t, ELFT::TargetEndianness, sizeof(uintX_t)>(Entry, 1); + Entry += sizeof(uintX_t); + write<uintX_t, ELFT::TargetEndianness, sizeof(uintX_t)>(Entry, + VA - 0x8000); + } + } } template <class ELFT> void GotSection<ELFT>::writeTo(uint8_t *Buf) { - if (Config->EMachine == EM_MIPS) + if (Config->EMachine == EM_MIPS) { writeMipsGot(Buf); + return; + } for (const SymbolBody *B : Entries) { uint8_t *Entry = Buf; Buf += sizeof(uintX_t); diff --git a/lld/ELF/OutputSections.h b/lld/ELF/OutputSections.h index a5833a64249..5fee870a34c 100644 --- a/lld/ELF/OutputSections.h +++ b/lld/ELF/OutputSections.h @@ -181,7 +181,7 @@ private: MipsGotEntries MipsGlobal; // Write MIPS-specific parts of the GOT. - void writeMipsGot(uint8_t *&Buf); + void writeMipsGot(uint8_t *Buf); }; template <class ELFT> diff --git a/lld/ELF/Relocations.cpp b/lld/ELF/Relocations.cpp index 0244f02dc3e..af72aaa6bb4 100644 --- a/lld/ELF/Relocations.cpp +++ b/lld/ELF/Relocations.cpp @@ -93,7 +93,7 @@ handleMipsTlsRelocation(uint32_t Type, SymbolBody &Body, InputSectionBase<ELFT> &C, typename ELFT::uint Offset, typename ELFT::uint Addend, RelExpr Expr) { if (Expr == R_MIPS_TLSLD) { - if (Out<ELFT>::Got->addTlsIndex()) + if (Out<ELFT>::Got->addTlsIndex() && Config->Pic) Out<ELFT>::RelaDyn->addReloc({Target->TlsModuleIndexRel, Out<ELFT>::Got, Out<ELFT>::Got->getTlsIndexOff(), false, nullptr, 0}); @@ -101,7 +101,7 @@ handleMipsTlsRelocation(uint32_t Type, SymbolBody &Body, return 1; } if (Target->isTlsGlobalDynamicRel(Type)) { - if (Out<ELFT>::Got->addDynTlsEntry(Body)) { + if (Out<ELFT>::Got->addDynTlsEntry(Body) && Body.isPreemptible()) { typedef typename ELFT::uint uintX_t; uintX_t Off = Out<ELFT>::Got->getGlobalDynOffset(Body); Out<ELFT>::RelaDyn->addReloc( @@ -666,9 +666,9 @@ static void scanRelocs(InputSectionBase<ELFT> &C, ArrayRef<RelTy> Rels) { // for detailed description: // ftp://www.linux-mips.org/pub/linux/mips/doc/ABI/mipsabi.pdf Out<ELFT>::Got->addMipsEntry(Body, Addend, Expr); - if (Body.isTls()) + if (Body.isTls() && Body.isPreemptible()) AddDyn({Target->TlsGotRel, Out<ELFT>::Got, Body.getGotOffset<ELFT>(), - !Preemptible, &Body, 0}); + false, &Body, 0}); continue; } diff --git a/lld/test/ELF/mips-tls-64.s b/lld/test/ELF/mips-tls-64.s index 9c05e940b1c..808fa4cbd1d 100644 --- a/lld/test/ELF/mips-tls-64.s +++ b/lld/test/ELF/mips-tls-64.s @@ -1,86 +1,112 @@ # Check MIPS TLS 64-bit relocations handling. # RUN: llvm-mc -filetype=obj -triple=mips64-unknown-linux \ -# RUN: %p/Inputs/mips-dynamic.s -o %t.so.o +# RUN: %p/Inputs/mips-tls.s -o %t.so.o # RUN: ld.lld -shared %t.so.o -o %t.so # RUN: llvm-mc -filetype=obj -triple=mips64-unknown-linux %s -o %t.o + # RUN: ld.lld %t.o %t.so -o %t.exe # RUN: llvm-objdump -d -s -t %t.exe | FileCheck -check-prefix=DIS %s # RUN: llvm-readobj -r -mips-plt-got %t.exe | FileCheck %s +# RUN: ld.lld -shared %t.o %t.so -o %t-out.so +# RUN: llvm-objdump -d -s -t %t-out.so | FileCheck -check-prefix=DIS-SO %s +# RUN: llvm-readobj -r -mips-plt-got %t-out.so | FileCheck -check-prefix=SO %s + # REQUIRES: mips # DIS: __start: -# DIS-NEXT: 20000: 24 62 80 28 addiu $2, $3, -32728 -# DIS-NEXT: 20004: 24 62 80 38 addiu $2, $3, -32712 -# DIS-NEXT: 20008: 8f 82 80 20 lw $2, -32736($gp) +# DIS-NEXT: 20000: 24 62 80 20 addiu $2, $3, -32736 +# DIS-NEXT: 20004: 24 62 80 30 addiu $2, $3, -32720 +# DIS-NEXT: 20008: 24 62 80 38 addiu $2, $3, -32712 # DIS-NEXT: 2000c: 24 62 80 48 addiu $2, $3, -32696 +# DIS-NEXT: 20010: 24 62 80 58 addiu $2, $3, -32680 # DIS: Contents of section .got: -# DIS_NEXT: 30008 00000000 00000000 80000000 00000000 -# DIS_NEXT: 30018 00000000 00020000 00000000 00000000 -# DIS_NEXT: 30028 00000000 00000004 00000000 00000000 -# DIS_NEXT: 30038 00000000 00000000 00000000 00000004 +# DIS-NEXT: 30008 00000000 00000000 80000000 00000000 +# DIS-NEXT: 30018 00000000 00000000 00000000 00000000 +# DIS-NEXT: 30028 00000000 00000000 00000000 00000001 +# DIS-NEXT: 30038 00000000 00000000 00000000 00000001 +# DIS-NEXT: 30048 ffffffff ffff8004 ffffffff ffff9004 # DIS: 0000000000030000 l .tdata 00000000 .tdata # DIS: 0000000000030000 l .tdata 00000000 loc -# DIS: 0000000000000004 g .tdata 00000000 foo +# DIS: 0000000000000004 g .tdata 00000000 bar +# DIS: 0000000000000000 g *UND* 00000000 foo # CHECK: Relocations [ # CHECK-NEXT: Section (7) .rela.dyn { -# CHECK-NEXT: 0x30020 R_MIPS_TLS_DTPMOD64/R_MIPS_NONE/R_MIPS_NONE - 0x0 -# CHECK-NEXT: 0x30028 R_MIPS_TLS_DTPREL64/R_MIPS_NONE/R_MIPS_NONE - 0x0 -# CHECK-NEXT: 0x30030 R_MIPS_TLS_DTPMOD64/R_MIPS_NONE/R_MIPS_NONE - 0x0 -# CHECK-NEXT: 0x30040 R_MIPS_TLS_TPREL64/R_MIPS_NONE/R_MIPS_NONE - 0x4 +# CHECK-NEXT: 0x30018 R_MIPS_TLS_DTPMOD64/R_MIPS_NONE/R_MIPS_NONE foo 0x0 +# CHECK-NEXT: 0x30020 R_MIPS_TLS_DTPREL64/R_MIPS_NONE/R_MIPS_NONE foo 0x0 +# CHECK-NEXT: 0x30028 R_MIPS_TLS_TPREL64/R_MIPS_NONE/R_MIPS_NONE foo 0x0 # CHECK-NEXT: } # CHECK-NEXT: ] # CHECK-NEXT: Primary GOT { # CHECK-NEXT: Canonical gp value: 0x37FF8 # CHECK-NEXT: Reserved entries [ -# CHECK-NEXT: Entry { -# CHECK-NEXT: Address: 0x30008 -# CHECK-NEXT: Access: -32752 -# CHECK-NEXT: Initial: 0x0 -# CHECK-NEXT: Purpose: Lazy resolver -# CHECK-NEXT: } -# CHECK-NEXT: Entry { -# CHECK-NEXT: Address: 0x30010 -# CHECK-NEXT: Access: -32744 -# CHECK-NEXT: Initial: 0x80000000 -# CHECK-NEXT: Purpose: Module pointer (GNU extension) -# CHECK-NEXT: } -# CHECK-NEXT: ] +# CHECK: ] # CHECK-NEXT: Local entries [ # CHECK-NEXT: ] # CHECK-NEXT: Global entries [ -# CHECK-NEXT: Entry { -# CHECK-NEXT: Address: 0x30018 -# CHECK-NEXT: Access: -32736 -# CHECK-NEXT: Initial: 0x0 -# CHECK-NEXT: Value: 0x0 -# CHECK-NEXT: Type: Function -# CHECK-NEXT: Section: Undefined -# CHECK-NEXT: Name: foo0 -# CHECK-NEXT: } # CHECK-NEXT: ] -# CHECK-NEXT: Number of TLS and multi-GOT entries: 5 -# ^-- 0x30020 / -32728 - R_MIPS_TLS_GD - R_MIPS_TLS_DTPMOD32 foo -# ^-- 0x30028 / -32720 - R_MIPS_TLS_DTPREL32 foo -# ^-- 0x30030 / -32712 - R_MIPS_TLS_LDM - R_MIPS_TLS_DTPMOD32 loc -# ^-- 0x30038 / -32704 -# ^-- 0x30040 / -32696 - R_MIPS_TLS_GOTTPREL - R_MIPS_TLS_TPREL32 +# CHECK-NEXT: Number of TLS and multi-GOT entries: 8 +# ^-- -32736 R_MIPS_TLS_GD R_MIPS_TLS_DTPMOD64 foo +# ^-- -32728 R_MIPS_TLS_DTPREL64 foo +# ^-- -32720 R_MIPS_TLS_GOTTPREL R_MIPS_TLS_TPREL64 foo +# ^-- -32712 R_MIPS_TLS_LDM 1 loc +# ^-- -32704 0 loc +# ^-- -32696 R_MIPS_TLS_GD 1 bar +# ^-- -32688 VA - 0x8000 bar +# ^-- -32680 R_MIPS_TLS_GOTTPREL VA - 0x7000 bar + +# DIS-SO: Contents of section .got: +# DIS-SO-NEXT: 20008 00000000 00000000 80000000 00000000 +# DIS-SO-NEXT: 20018 00000000 00000000 00000000 00000000 +# DIS-SO-NEXT: 20028 00000000 00000000 00000000 00000000 +# DIS-SO-NEXT: 20038 00000000 00000000 00000000 00000000 +# DIS-SO-NEXT: 20048 00000000 00000000 00000000 00000000 + +# SO: Relocations [ +# SO-NEXT: Section (7) .rela.dyn { +# SO-NEXT: 0x20030 R_MIPS_TLS_DTPMOD64/R_MIPS_NONE/R_MIPS_NONE - 0x0 +# SO-NEXT: 0x20040 R_MIPS_TLS_DTPMOD64/R_MIPS_NONE/R_MIPS_NONE bar 0x0 +# SO-NEXT: 0x20048 R_MIPS_TLS_DTPREL64/R_MIPS_NONE/R_MIPS_NONE bar 0x0 +# SO-NEXT: 0x20050 R_MIPS_TLS_TPREL64/R_MIPS_NONE/R_MIPS_NONE bar 0x0 +# SO-NEXT: 0x20018 R_MIPS_TLS_DTPMOD64/R_MIPS_NONE/R_MIPS_NONE foo 0x0 +# SO-NEXT: 0x20020 R_MIPS_TLS_DTPREL64/R_MIPS_NONE/R_MIPS_NONE foo 0x0 +# SO-NEXT: 0x20028 R_MIPS_TLS_TPREL64/R_MIPS_NONE/R_MIPS_NONE foo 0x0 +# SO-NEXT: } +# SO-NEXT: ] +# SO-NEXT: Primary GOT { +# SO-NEXT: Canonical gp value: 0x27FF8 +# SO-NEXT: Reserved entries [ +# SO: ] +# SO-NEXT: Local entries [ +# SO-NEXT: ] +# SO-NEXT: Global entries [ +# SO-NEXT: ] +# SO-NEXT: Number of TLS and multi-GOT entries: 8 +# ^-- 0x20018 R_MIPS_TLS_GD R_MIPS_TLS_DTPMOD64 foo +# ^-- 0x20020 R_MIPS_TLS_DTPREL64 foo +# ^-- 0x20028 R_MIPS_TLS_GOTTPREL R_MIPS_TLS_TPREL64 foo +# ^-- 0x20030 R_MIPS_TLS_LDM R_MIPS_TLS_DTPMOD64 loc +# ^-- 0x20038 0 loc +# ^-- 0x20040 R_MIPS_TLS_GD R_MIPS_TLS_DTPMOD64 bar +# ^-- 0x20048 R_MIPS_TLS_DTPREL64 bar +# ^-- 0x20050 R_MIPS_TLS_GOTTPREL R_MIPS_TLS_TPREL64 bar .text .global __start __start: addiu $2, $3, %tlsgd(foo) # R_MIPS_TLS_GD - addiu $2, $3, %tlsldm(loc) # R_MIPS_TLS_LDM - lw $2, %got(foo0)($gp) addiu $2, $3, %gottprel(foo) # R_MIPS_TLS_GOTTPREL + addiu $2, $3, %tlsldm(loc) # R_MIPS_TLS_LDM + addiu $2, $3, %tlsgd(bar) # R_MIPS_TLS_GD + addiu $2, $3, %gottprel(bar) # R_MIPS_TLS_GOTTPREL .section .tdata,"awT",%progbits - .global foo + .global bar loc: .word 0 -foo: +bar: .word 0 diff --git a/lld/test/ELF/mips-tls-static.s b/lld/test/ELF/mips-tls-static.s index a641a8edea9..6f0fa559ae0 100644 --- a/lld/test/ELF/mips-tls-static.s +++ b/lld/test/ELF/mips-tls-static.s @@ -7,17 +7,22 @@ # REQUIRES: mips +# CHECK: Contents of section .got: +# CHECK-NEXT: 30008 00000000 80000000 00000001 ffff8000 +# CHECK-NEXT: 30018 00000001 00000000 ffff9000 # CHECK: Contents of section .data: -# CHECK-NEXT: 40000 00020004 ffff8004 ffff9004 +# CHECK-NEXT: 40000 0002000c ffff8004 ffff9004 # # CHECK: SYMBOL TABLE: -# CHECK: 00020004 .text 00000000 __tls_get_addr +# CHECK: 0002000c .text 00000000 __tls_get_addr # CHECK: 00000000 g .tdata 00000000 tls1 .text .global __start __start: - nop + addiu $2, $3, %tlsgd(tls1) # R_MIPS_TLS_GD + addiu $2, $3, %tlsldm(tls2) # R_MIPS_TLS_LDM + addiu $2, $3, %gottprel(tls1) # R_MIPS_TLS_GOTTPREL .global __tls_get_addr __tls_get_addr: @@ -33,4 +38,5 @@ loc: .global tls1 tls1: .word __tls_get_addr +tls2: .word 0 diff --git a/lld/test/ELF/mips-tls.s b/lld/test/ELF/mips-tls.s index 9635558c2d9..fa02324fd85 100644 --- a/lld/test/ELF/mips-tls.s +++ b/lld/test/ELF/mips-tls.s @@ -4,74 +4,105 @@ # RUN: %p/Inputs/mips-tls.s -o %t.so.o # RUN: ld.lld -shared %t.so.o -o %t.so # RUN: llvm-mc -filetype=obj -triple=mips-unknown-linux %s -o %t.o + # RUN: ld.lld %t.o %t.so -o %t.exe # RUN: llvm-objdump -d -s -t %t.exe | FileCheck -check-prefix=DIS %s # RUN: llvm-readobj -r -mips-plt-got %t.exe | FileCheck %s +# RUN: ld.lld -shared %t.o %t.so -o %t-out.so +# RUN: llvm-objdump -d -s -t %t-out.so | FileCheck -check-prefix=DIS-SO %s +# RUN: llvm-readobj -r -mips-plt-got %t-out.so | FileCheck -check-prefix=SO %s + # REQUIRES: mips # DIS: __start: -# DIS-NEXT: 20000: 24 62 80 1c addiu $2, $3, -32740 -# DIS-NEXT: 20004: 24 62 80 24 addiu $2, $3, -32732 -# DIS-NEXT: 20008: 8f 82 80 18 lw $2, -32744($gp) +# DIS-NEXT: 20000: 24 62 80 18 addiu $2, $3, -32744 +# DIS-NEXT: 20004: 24 62 80 20 addiu $2, $3, -32736 +# DIS-NEXT: 20008: 24 62 80 24 addiu $2, $3, -32732 # DIS-NEXT: 2000c: 24 62 80 2c addiu $2, $3, -32724 +# DIS-NEXT: 20010: 24 62 80 34 addiu $2, $3, -32716 # DIS: Contents of section .got: -# DIS_NEXT: 30004 00000000 80000000 00020000 00000000 -# DIS_NEXT: 30014 00000000 00000000 00000000 00000000 +# DIS-NEXT: 30008 00000000 80000000 00000000 00000000 +# DIS-NEXT: 30018 00000000 00000001 00000000 00000001 +# DIS-NEXT: 30028 ffff8004 ffff9004 # DIS: 00030000 l .tdata 00000000 .tdata # DIS: 00030000 l .tdata 00000000 loc +# DIS: 00000004 g .tdata 00000000 bar # DIS: 00000000 g *UND* 00000000 foo # CHECK: Relocations [ # CHECK-NEXT: Section (7) .rel.dyn { -# CHECK-NEXT: 0x30018 R_MIPS_TLS_DTPMOD32 - 0x0 # CHECK-NEXT: 0x30010 R_MIPS_TLS_DTPMOD32 foo 0x0 # CHECK-NEXT: 0x30014 R_MIPS_TLS_DTPREL32 foo 0x0 -# CHECK-NEXT: 0x30020 R_MIPS_TLS_TPREL32 foo 0x0 +# CHECK-NEXT: 0x30018 R_MIPS_TLS_TPREL32 foo 0x0 # CHECK-NEXT: } # CHECK-NEXT: ] # CHECK-NEXT: Primary GOT { -# CHECK-NEXT: Canonical gp value: 0x37FF4 +# CHECK-NEXT: Canonical gp value: 0x37FF8 # CHECK-NEXT: Reserved entries [ -# CHECK-NEXT: Entry { -# CHECK-NEXT: Address: 0x30004 -# CHECK-NEXT: Access: -32752 -# CHECK-NEXT: Initial: 0x0 -# CHECK-NEXT: Purpose: Lazy resolver -# CHECK-NEXT: } -# CHECK-NEXT: Entry { -# CHECK-NEXT: Address: 0x30008 -# CHECK-NEXT: Access: -32748 -# CHECK-NEXT: Initial: 0x80000000 -# CHECK-NEXT: Purpose: Module pointer (GNU extension) -# CHECK-NEXT: } -# CHECK-NEXT: ] +# CHECK: ] # CHECK-NEXT: Local entries [ -# CHECK-NEXT: Entry { -# CHECK-NEXT: Address: 0x3000C -# CHECK-NEXT: Access: -32744 -# CHECK-NEXT: Initial: 0x20000 -# CHECK-NEXT: } # CHECK-NEXT: ] # CHECK-NEXT: Global entries [ # CHECK-NEXT: ] -# CHECK-NEXT: Number of TLS and multi-GOT entries: 5 -# ^-- 0x30010 / -32740 - R_MIPS_TLS_GD - R_MIPS_TLS_DTPMOD32 foo -# ^-- 0x30018 / -32736 - R_MIPS_TLS_DTPREL32 foo -# ^-- 0x3001C / -32732 - R_MIPS_TLS_LDM - R_MIPS_TLS_DTPMOD32 loc -# ^-- 0x30020 / -32728 -# ^-- 0x30024 / -32724 - R_MIPS_TLS_GOTTPREL - R_MIPS_TLS_TPREL32 +# CHECK-NEXT: Number of TLS and multi-GOT entries: 8 +# ^-- 0x30010 R_MIPS_TLS_GD R_MIPS_TLS_DTPMOD32 foo +# ^-- 0x30014 R_MIPS_TLS_DTPREL32 foo +# ^-- 0x30018 R_MIPS_TLS_GOTTPREL R_MIPS_TLS_TPREL32 foo +# ^-- 0x3001C R_MIPS_TLS_LDM 1 loc +# ^-- 0x30020 0 loc +# ^-- 0x30024 R_MIPS_TLS_GD 1 bar +# ^-- 0x30028 VA - 0x8000 bar +# ^-- 0x3002C R_MIPS_TLS_GOTTPREL VA - 0x7000 bar + +# DIS-SO: Contents of section .got: +# DIS-SO-NEXT: 20008 00000000 80000000 00000000 00000000 +# DIS-SO-NEXT: 20018 00000000 00000000 00000000 00000000 +# DIS-SO-NEXT: 20028 00000000 00000000 + +# SO: Relocations [ +# SO-NEXT: Section (7) .rel.dyn { +# SO-NEXT: 0x2001C R_MIPS_TLS_DTPMOD32 - 0x0 +# SO-NEXT: 0x20024 R_MIPS_TLS_DTPMOD32 bar 0x0 +# SO-NEXT: 0x20028 R_MIPS_TLS_DTPREL32 bar 0x0 +# SO-NEXT: 0x2002C R_MIPS_TLS_TPREL32 bar 0x0 +# SO-NEXT: 0x20010 R_MIPS_TLS_DTPMOD32 foo 0x0 +# SO-NEXT: 0x20014 R_MIPS_TLS_DTPREL32 foo 0x0 +# SO-NEXT: 0x20018 R_MIPS_TLS_TPREL32 foo 0x0 +# SO-NEXT: } +# SO-NEXT: ] +# SO-NEXT: Primary GOT { +# SO-NEXT: Canonical gp value: 0x27FF8 +# SO-NEXT: Reserved entries [ +# SO: ] +# SO-NEXT: Local entries [ +# SO-NEXT: ] +# SO-NEXT: Global entries [ +# SO-NEXT: ] +# SO-NEXT: Number of TLS and multi-GOT entries: 8 +# ^-- 0x20010 R_MIPS_TLS_GD R_MIPS_TLS_DTPMOD32 foo +# ^-- 0x20014 R_MIPS_TLS_DTPREL32 foo +# ^-- 0x20018 R_MIPS_TLS_GOTTPREL R_MIPS_TLS_TPREL32 foo +# ^-- 0x2001C R_MIPS_TLS_LDM R_MIPS_TLS_DTPMOD32 loc +# ^-- 0x20020 0 loc +# ^-- 0x20024 R_MIPS_TLS_GD R_MIPS_TLS_DTPMOD32 bar +# ^-- 0x20028 R_MIPS_TLS_DTPREL32 bar +# ^-- 0x2002C R_MIPS_TLS_GOTTPREL R_MIPS_TLS_TPREL32 bar .text .global __start __start: addiu $2, $3, %tlsgd(foo) # R_MIPS_TLS_GD - addiu $2, $3, %tlsldm(loc) # R_MIPS_TLS_LDM - lw $2, %got(__start)($gp) addiu $2, $3, %gottprel(foo) # R_MIPS_TLS_GOTTPREL + addiu $2, $3, %tlsldm(loc) # R_MIPS_TLS_LDM + addiu $2, $3, %tlsgd(bar) # R_MIPS_TLS_GD + addiu $2, $3, %gottprel(bar) # R_MIPS_TLS_GOTTPREL .section .tdata,"awT",%progbits + .global bar loc: .word 0 +bar: + .word 0 |