[Lldb-commits] [PATCH] D128612: RISC-V big-endian support implementation

[Guy Benyei via Phabricator via lldb-commits]

gbenyei created this revision.
gbenyei added a reviewer: asb.
gbenyei added projects: clang, LLVM, lld.
Herald added subscribers: Enna1, sunshaoce, VincentWu, luke957, StephenFan, vkmr, frasercrmck, luismarques, apazos, sameer.abuasal, s.egerton, Jim, ormris, jocewei, PkmX, the_o, brucehoult, MartinMosbeck, rogfer01, edward-jones, zzheng, jrtc27, shiva0217, kito-cheng, niosHD, sabuasal, simoncook, johnrusso, rbar, hiraditya, arichardson, mgorny, emaste.
Herald added a reviewer: alexander-shaposhnikov.
Herald added a reviewer: rupprecht.
Herald added a reviewer: jhenderson.
Herald added a reviewer: MaskRay.
Herald added a reviewer: aaron.ballman.
Herald added a project: All.
gbenyei requested review of this revision.
Herald added subscribers: lldb-commits, cfe-commits, pcwang-thead.
Herald added a project: LLDB.

Implement riscv32be and riscv64be targets.
The RISC-V big- and bi-endian targets are discussed in the RISC-V spec  Version 20191213, but some aspects, like ABI are still unclear.
The instruction encoding is little endian in both big- and little-endian modes. ISA spec Volume 1 1.15: "Instructions are stored in memory as a sequence
of 16-bit little-endian parcels, regardless of memory system endianness".

RISC-V Big-endian cores are already supported by GCC. Where spec is unclear, we aim to be compatible with GCC.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D128612

Files:
  clang/include/clang/Basic/Attr.td
  clang/lib/Basic/Targets.cpp
  clang/lib/Basic/Targets/OSTargets.h
  clang/lib/Basic/Targets/RISCV.cpp
  clang/lib/Basic/Targets/RISCV.h
  clang/lib/CodeGen/CGBuiltin.cpp
  clang/lib/CodeGen/CodeGenModule.cpp
  clang/lib/CodeGen/TargetInfo.cpp
  clang/lib/Driver/Driver.cpp
  clang/lib/Driver/ToolChains/Arch/RISCV.cpp
  clang/lib/Driver/ToolChains/BareMetal.cpp
  clang/lib/Driver/ToolChains/Clang.cpp
  clang/lib/Driver/ToolChains/CommonArgs.cpp
  clang/lib/Driver/ToolChains/FreeBSD.cpp
  clang/lib/Driver/ToolChains/Gnu.cpp
  clang/lib/Driver/ToolChains/Linux.cpp
  clang/lib/Driver/ToolChains/RISCVToolchain.cpp
  clang/lib/Sema/SemaChecking.cpp
  clang/lib/Sema/SemaDeclAttr.cpp
  lld/ELF/Arch/RISCV.cpp
  lld/ELF/InputFiles.cpp
  lldb/source/Utility/ArchSpec.cpp
  llvm/cmake/config-ix.cmake
  llvm/cmake/config.guess
  llvm/include/llvm/ADT/Triple.h
  llvm/include/llvm/Object/ELFObjectFile.h
  llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
  llvm/lib/ExecutionEngine/JITLink/ELF.cpp
  llvm/lib/ExecutionEngine/JITLink/ELF_riscv.cpp
  llvm/lib/ExecutionEngine/Orc/EPCIndirectionUtils.cpp
  llvm/lib/ExecutionEngine/Orc/IndirectionUtils.cpp
  llvm/lib/ExecutionEngine/Orc/LazyReexports.cpp
  llvm/lib/Object/RelocationResolver.cpp
  llvm/lib/Support/Triple.cpp
  llvm/lib/Target/RISCV/AsmParser/RISCVAsmParser.cpp
  llvm/lib/Target/RISCV/Disassembler/RISCVDisassembler.cpp
  llvm/lib/Target/RISCV/MCTargetDesc/RISCVAsmBackend.cpp
  llvm/lib/Target/RISCV/MCTargetDesc/RISCVAsmBackend.h
  llvm/lib/Target/RISCV/MCTargetDesc/RISCVMCAsmInfo.cpp
  llvm/lib/Target/RISCV/MCTargetDesc/RISCVMCTargetDesc.cpp
  llvm/lib/Target/RISCV/RISCVAsmPrinter.cpp
  llvm/lib/Target/RISCV/RISCVTargetMachine.cpp
  llvm/lib/Target/RISCV/TargetInfo/RISCVTargetInfo.cpp
  llvm/lib/Target/RISCV/TargetInfo/RISCVTargetInfo.h
  llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp
  llvm/tools/llvm-objcopy/ObjcopyOptions.cpp
  llvm/unittests/Object/ELFObjectFileTest.cpp

-------------- next part --------------
A non-text attachment was scrubbed...
Name: D128612.440067.patch
Type: text/x-patch
Size: 60849 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/lldb-commits/attachments/20220626/1e0ba05e/attachment-0001.bin>