Index: lib/MC/MCObjectFileInfo.cpp =================================================================== --- lib/MC/MCObjectFileInfo.cpp +++ lib/MC/MCObjectFileInfo.cpp @@ -324,10 +324,16 @@ case Triple::mipsel: case Triple::mips64: case Triple::mips64el: - // MIPS uses indirect pointer to refer personality functions, so that the - // eh_frame section can be read-only. DW.ref.personality will be generated + // MIPS uses indirect pointer to refer personality functions and types, so + // that the eh_frame section can be read-only. DW.ref.personality will be generated // for relocation. PersonalityEncoding = dwarf::DW_EH_PE_indirect; + // FIXME: The N64 ABI probably ought to use DW_EH_PE_sdata8 but we can't + // identify N64 from just a triple. + TTypeEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel | + dwarf::DW_EH_PE_sdata4; + // We don't support PC-relative LSDA references in GAS so we use the default + // DW_EH_PE_absptr for those. break; case Triple::ppc64: case Triple::ppc64le: Index: lib/Target/Mips/MipsAsmPrinter.cpp =================================================================== --- lib/Target/Mips/MipsAsmPrinter.cpp +++ lib/Target/Mips/MipsAsmPrinter.cpp @@ -30,6 +30,8 @@ #include "llvm/CodeGen/MachineInstr.h" #include "llvm/CodeGen/MachineJumpTableInfo.h" #include "llvm/CodeGen/MachineMemOperand.h" +#include "llvm/CodeGen/MachineModuleInfoImpls.h" +#include "llvm/CodeGen/TargetLoweringObjectFileImpl.h" #include "llvm/IR/BasicBlock.h" #include "llvm/IR/DataLayout.h" #include "llvm/IR/InlineAsm.h" @@ -1049,6 +1051,26 @@ const llvm::Mips16HardFloatInfo::FuncSignature *Signature = it->second; EmitFPCallStub(Symbol, Signature); } + + const TargetLoweringObjectFileELF &TLOFELF = + static_cast(getObjFileLowering()); + + MachineModuleInfoELF &MMIELF = MMI->getObjFileInfo(); + + // Output stubs for external and common global variables. + MachineModuleInfoELF::SymbolListTy Stubs = MMIELF.GetGVStubList(); + if (!Stubs.empty()) { + OutStreamer->SwitchSection(TLOFELF.getDataRelSection()); + const DataLayout &TD = getDataLayout(); + + for (const auto &Stub : Stubs) { + OutStreamer->EmitLabel(Stub.first); + OutStreamer->EmitSymbolValue(Stub.second.getPointer(), + TD.getPointerSize()); + } + Stubs.clear(); + } + // return to the text section OutStreamer->SwitchSection(OutContext.getObjectFileInfo()->getTextSection()); } Index: test/CodeGen/Mips/ehframe-indirect.ll =================================================================== --- test/CodeGen/Mips/ehframe-indirect.ll +++ test/CodeGen/Mips/ehframe-indirect.ll @@ -1,9 +1,11 @@ -; RUN: llc -mtriple=mipsel-linux-gnu < %s | FileCheck -check-prefix=ALL -check-prefix=O32 %s -; RUN: llc -mtriple=mipsel-linux-android < %s | FileCheck -check-prefix=ALL -check-prefix=O32 %s -; RUN: llc -mtriple=mips64el-linux-gnu -target-abi=n32 < %s | FileCheck -check-prefix=ALL -check-prefix=N32 %s -; RUN: llc -mtriple=mips64el-linux-android -target-abi=n32 < %s | FileCheck -check-prefix=ALL -check-prefix=N32 %s -; RUN: llc -mtriple=mips64el-linux-gnu < %s | FileCheck -check-prefix=ALL -check-prefix=N64 %s -; RUN: llc -mtriple=mips64el-linux-android < %s | FileCheck -check-prefix=ALL -check-prefix=N64 %s +; RUN: llc -mtriple=mipsel-linux-gnu < %s -asm-verbose | FileCheck -check-prefix=ALL -check-prefix=O32 %s +; RUN: llc -mtriple=mipsel-linux-android < %s -asm-verbose | FileCheck -check-prefix=ALL -check-prefix=O32 %s +; RUN: llc -mtriple=mips64el-linux-gnu -target-abi=n32 < %s -asm-verbose | FileCheck -check-prefix=ALL -check-prefix=N32 %s +; RUN: llc -mtriple=mips64el-linux-android -target-abi=n32 < %s -asm-verbose | FileCheck -check-prefix=ALL -check-prefix=N32 %s +; RUN: llc -mtriple=mips64el-linux-gnu < %s -asm-verbose | FileCheck -check-prefix=ALL -check-prefix=N64 %s +; RUN: llc -mtriple=mips64el-linux-android < %s -asm-verbose | FileCheck -check-prefix=ALL -check-prefix=N64 %s + +@_ZTISt9exception = external constant i8* define i32 @main() { ; ALL: .cfi_startproc @@ -16,7 +18,9 @@ lpad: %0 = landingpad { i8*, i32 } personality i8* - bitcast (i32 (...)* @__gxx_personality_v0 to i8*) catch i8* null + bitcast (i32 (...)* @__gxx_personality_v0 to i8*) + catch i8* null + catch i8* bitcast (i8** @_ZTISt9exception to i8*) ret i32 0 cont: @@ -28,6 +32,14 @@ declare void @foo() +; ALL: GCC_except_table{{[0-9]+}}: +; ALL: .byte 155 # @TType Encoding = indirect pcrel sdata4 +; ALL: $[[PC_LABEL:tmp[0-9]+]]: +; ALL: .4byte ($_ZTISt9exception.DW.stub)-($[[PC_LABEL]]) +; ALL: $_ZTISt9exception.DW.stub: +; O32: .4byte _ZTISt9exception +; N32: .4byte _ZTISt9exception +; N64: .8byte _ZTISt9exception ; ALL: .hidden DW.ref.__gxx_personality_v0 ; ALL: .weak DW.ref.__gxx_personality_v0 ; ALL: .section .data.DW.ref.__gxx_personality_v0,"aGw",@progbits,DW.ref.__gxx_personality_v0,comdat