[all-commits] [llvm/llvm-project] e07a4c: [Driver] Teach Barmetal toolchain about GCC instal...

[Garvit Gupta via All-commits]

  Branch: refs/heads/users/quic-garvgupt/compile_line
  Home:   https://github.com/llvm/llvm-project
  Commit: e07a4cd4e0ff77f74b66695923bc998904c14746
      https://github.com/llvm/llvm-project/commit/e07a4cd4e0ff77f74b66695923bc998904c14746
  Author: Garvit Gupta <quic_garvgupt at quicinc.com>
  Date:   2025-03-24 (Mon, 24 Mar 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/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/bin/aarch64-none-elf-ld
    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/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_aarch64_nogcc_tree/bin/aarch64-none-elf-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/bin/armv6m-none-eabi-ld
    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/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/Inputs/basic_arm_nogcc_tree/bin/armv6m-none-eabi-ld
    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:
  -----------
  [Driver] Teach Barmetal toolchain about GCC installation

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. Moreover, support for adding include paths for libstd
C++ library is added as well.

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.

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

Change-Id: Ibaeb569cf7e2cee03c022aa9ecd1abe29d5c30d4



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