[all-commits] [llvm/llvm-project] 4fccd3: [RISCV] Support mutilib in baremetal environment

[Zakk Chen via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 4fccd383d571865321b4723b81c3042d2c15fd80
      https://github.com/llvm/llvm-project/commit/4fccd383d571865321b4723b81c3042d2c15fd80
  Author: Zakk Chen <zakk0610 at gmail.com>
  Date:   2019-11-21 (Thu, 21 Nov 2019)

  Changed paths:
    M clang/lib/Driver/ToolChains/Gnu.cpp
    M clang/lib/Driver/ToolChains/RISCVToolchain.cpp
    A clang/test/Driver/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0/crtbegin.o
    A clang/test/Driver/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0/crtend.o
    A clang/test/Driver/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0/rv32i/ilp32/crtbegin.o
    A clang/test/Driver/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0/rv32i/ilp32/crtend.o
    A clang/test/Driver/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0/rv32iac/ilp32/crtbegin.o
    A clang/test/Driver/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0/rv32iac/ilp32/crtend.o
    A clang/test/Driver/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0/rv32im/ilp32/crtbegin.o
    A clang/test/Driver/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0/rv32im/ilp32/crtend.o
    A clang/test/Driver/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0/rv32imac/ilp32/crtbegin.o
    A clang/test/Driver/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0/rv32imac/ilp32/crtend.o
    A clang/test/Driver/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0/rv32imafc/ilp32f/crtbegin.o
    A clang/test/Driver/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0/rv32imafc/ilp32f/crtend.o
    A clang/test/Driver/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0/rv64imac/lp64/crtbegin.o
    A clang/test/Driver/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0/rv64imac/lp64/crtend.o
    A clang/test/Driver/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0/rv64imafdc/lp64d/crtbegin.o
    A clang/test/Driver/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0/rv64imafdc/lp64d/crtend.o
    A clang/test/Driver/Inputs/multilib_riscv_elf_sdk/riscv64-unknown-elf/bin/ld
    A clang/test/Driver/Inputs/multilib_riscv_elf_sdk/riscv64-unknown-elf/lib/crt0.o
    A clang/test/Driver/Inputs/multilib_riscv_elf_sdk/riscv64-unknown-elf/lib/rv32i/ilp32/crt0.o
    A clang/test/Driver/Inputs/multilib_riscv_elf_sdk/riscv64-unknown-elf/lib/rv32iac/ilp32/crt0.o
    A clang/test/Driver/Inputs/multilib_riscv_elf_sdk/riscv64-unknown-elf/lib/rv32im/ilp32/crt0.o
    A clang/test/Driver/Inputs/multilib_riscv_elf_sdk/riscv64-unknown-elf/lib/rv32imac/ilp32/crt0.o
    A clang/test/Driver/Inputs/multilib_riscv_elf_sdk/riscv64-unknown-elf/lib/rv32imafc/ilp32f/crt0.o
    A clang/test/Driver/Inputs/multilib_riscv_elf_sdk/riscv64-unknown-elf/lib/rv64imac/lp64/crt0.o
    A clang/test/Driver/Inputs/multilib_riscv_elf_sdk/riscv64-unknown-elf/lib/rv64imafdc/lp64d/crt0.o
    M clang/test/Driver/riscv32-toolchain.c
    M clang/test/Driver/riscv64-toolchain.c

  Log Message:
  -----------
  [RISCV] Support mutilib in baremetal environment

1. Currently only support the set of multilibs same to riscv-gnu-toolchain.
2. Fix testcase typo causes fail on Windows.
3. Fix testcases to set empty sysroot.

Reviewers: espindola, asb, kito-cheng, lenary

Reviewed By: lenary

Differential Revision: https://reviews.llvm.org/D67508