[all-commits] [llvm/llvm-project] 03b91a: [RISCV] Teach Barmetal toolchain about GCC install...

[Garvit Gupta via All-commits]

  Branch: refs/heads/users/quic-garvgupt/compile_line
  Home:   https://github.com/llvm/llvm-project
  Commit: 03b91a8d408bacec17391b995611dbbb0ea62edd
      https://github.com/llvm/llvm-project/commit/03b91a8d408bacec17391b995611dbbb0ea62edd
  Author: Garvit Gupta <quic_garvgupt at quicinc.com>
  Date:   2025-01-07 (Tue, 07 Jan 2025)

  Changed paths:
    M clang/lib/Driver/ToolChains/BareMetal.cpp
    M clang/lib/Driver/ToolChains/BareMetal.h
    A clang/test/Driver/Inputs/basic_aarch64_gcc_tree/aarch64-none-elf/bin/ld
    A clang/test/Driver/Inputs/basic_aarch64_gcc_tree/aarch64-none-elf/include/c++/8.2.1/.keep
    A clang/test/Driver/Inputs/basic_aarch64_gcc_tree/aarch64-none-elf/lib/.keep
    A clang/test/Driver/Inputs/basic_aarch64_gcc_tree/aarch64-none-elf/lib/crt0.o
    A clang/test/Driver/Inputs/basic_aarch64_gcc_tree/lib/gcc/aarch64-none-elf/8.2.1/crtbegin.o
    A clang/test/Driver/Inputs/basic_aarch64_gcc_tree/lib/gcc/aarch64-none-elf/8.2.1/crtend.o
    A clang/test/Driver/Inputs/basic_aarch64_nogcc_tree/aarch64-none-elf/bin/ld
    A clang/test/Driver/Inputs/basic_aarch64_nogcc_tree/aarch64-none-elf/lib/.keep
    A clang/test/Driver/Inputs/basic_aarch64_nogcc_tree/aarch64-none-elf/lib/crt0.o
    A clang/test/Driver/Inputs/basic_aarch64_nogcc_tree/aarch64-none-elf/lib/crtbegin.o
    A clang/test/Driver/Inputs/basic_aarch64_nogcc_tree/aarch64-none-elf/lib/crtend.o
    A clang/test/Driver/Inputs/basic_arm_gcc_tree/armv6m-none-eabi/bin/ld
    A clang/test/Driver/Inputs/basic_arm_gcc_tree/armv6m-none-eabi/include/c++/8.2.1/.keep
    A clang/test/Driver/Inputs/basic_arm_gcc_tree/armv6m-none-eabi/lib/.keep
    A clang/test/Driver/Inputs/basic_arm_gcc_tree/armv6m-none-eabi/lib/crt0.o
    A clang/test/Driver/Inputs/basic_arm_gcc_tree/lib/gcc/armv6m-none-eabi/8.2.1/crtbegin.o
    A clang/test/Driver/Inputs/basic_arm_gcc_tree/lib/gcc/armv6m-none-eabi/8.2.1/crtend.o
    A clang/test/Driver/Inputs/basic_arm_nogcc_tree/armv6m-none-eabi/bin/ld
    A clang/test/Driver/Inputs/basic_arm_nogcc_tree/armv6m-none-eabi/lib/.keep
    A clang/test/Driver/Inputs/basic_arm_nogcc_tree/armv6m-none-eabi/lib/crt0.o
    A clang/test/Driver/Inputs/basic_arm_nogcc_tree/armv6m-none-eabi/lib/crtbegin.o
    A clang/test/Driver/Inputs/basic_arm_nogcc_tree/armv6m-none-eabi/lib/crtend.o
    A clang/test/Driver/aarch64-toolchain-extra.c
    A clang/test/Driver/aarch64-toolchain.c
    A clang/test/Driver/arm-gnutools.c
    A clang/test/Driver/arm-toolchain-extra.c
    A clang/test/Driver/arm-toolchain.c
    M clang/test/Driver/baremetal.cpp

  Log Message:
  -----------
  [RISCV] Teach Barmetal toolchain about GCC installation(1/3)

This patch introduces the baretmetal toolchain object about GCC Installation.
Currently, if `--gcc-installation` ot `--gcc-install-dir` options are passed on
commandline, then sysroot will be formed from there if paths will be valid.
Otherwise, it will be fallback to as it already existed in the Baremetal
toolchaibn object.

Additionally, the restriction to always use integrated assembler is removed
because with valid gcc installation, gnu assembler can be invoked as well.

This patch currently adds and modifies arm related test only. The riscv specific
test will be added in the last PR when driver code related to calling of
RISCVToolchain object will be removed. Currently in this PR, there is no way to
test riscv target.

This is the first PR in the series of 3 PRs for merging and extending Baremetal
toolchain object. The division of the PRs is as follows:
- Teach Baremetal toolchain about GCC installation and make sysroot and assembler
  related changes.
- Changes related to linker job and defaults for CXXStdlib and other runtime libs.
- Finally removing the call to RISCVToolchain object.

The above division will also ensure that riscv and arm specific tests are not
modified in the same PR.

RFC: https://discourse.llvm.org/t/merging-riscvtoolchain-and-baremetal-toolchains/75524

Change-Id: Ibaeb569cf7e2cee03c022aa9ecd1abe29d5c30d4



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