[all-commits] [llvm/llvm-project] 9a1611: [libc] Add baremetal putchar (#95182)

[Michael Jones via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 9a1611f938ab4c1a0b32e0e7f6a61333dfdd4e79
      https://github.com/llvm/llvm-project/commit/9a1611f938ab4c1a0b32e0e7f6a61333dfdd4e79
  Author: Michael Jones <michaelrj at google.com>
  Date:   2024-06-12 (Wed, 12 Jun 2024)

  Changed paths:
    M libc/src/stdio/baremetal/CMakeLists.txt
    M libc/src/stdio/baremetal/printf.cpp
    A libc/src/stdio/baremetal/putchar.cpp

  Log Message:
  -----------
  [libc] Add baremetal putchar (#95182)

In #94685 I discussed my ideas for cleaner baremetal output writing.
This patch is not that. This patch just uses `write_to_stderr` for
outputting from putchar and printf on baremetal. I'm still planning to
create a proper design for writing to stdout and stderr on various
platforms, but that will be a followup patch.



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