[libc-commits] [PATCH] D148797: [libc] Start to refactor riscv platform abstraction to support both 32 and 64 bits versions

[Mikhail Ramalho via Phabricator via libc-commits]

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This patch is the first in a series of patches to refactor the riscv
abstraction in libc to support both riscv32 and riscv64.

We updated the cmake file to match the new riscv32 arch and force
LIBC_TARGET_ARCHITECTURE to be "riscv" whenever we find "riscv32" or
"riscv64". This is required as LIBC_TARGET_ARCHITECTURE is used in the
path for several platform specific implementations.

A `int get_except()` is also added until to allow the compilation in
riscv32, until we implement the platform specific implementation for
this arch.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D148797

Files:
  libc/cmake/modules/LLVMLibCArchitectures.cmake
  libc/config/linux/riscv/entrypoints.txt
  libc/config/linux/riscv/headers.txt
  libc/config/linux/riscv64/entrypoints.txt
  libc/config/linux/riscv64/headers.txt
  libc/src/__support/FPUtil/FEnvImpl.h

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