relibc_compiler-builtins/thumbv6m-none-eabi.json

{
    "arch": "arm",
    "data-layout": "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64",
    "features": "+strict-align",
    "llvm-target": "thumbv6m-none-eabi",
    "max-atomic-width": 0,
    "os": "none",
    "target-endian": "little",
    "target-pointer-width": "32"
}