Dump the Built-In Rust Target: riscv32i (32-bit RISC-V with Soft-Float). See https://github.com/lupyuen/nuttx-rust-app

riscv32i-unknown-none-elf.log

## Dump the Built-In Rust Target:
## riscv32i (32-bit RISC-V with Soft-Float)
$ rustc \
  +nightly \
  -Z unstable-options \
  --print target-spec-json \
  --target riscv32i-unknown-none-elf

{
  "arch":        "riscv32",
  "atomic-cas":  false,
  "cpu":         "generic-rv32",
  "data-layout": "e-m:e-p:32:32-i64:64-n32-S128",
  "eh-frame-header":        false,
  "emit-debug-gdb-scripts": false,
  "is-builtin":             true,
  "linker":         "rust-lld",
  "linker-flavor":  "ld.lld",
  "llvm-target":    "riscv32",
  "max-atomic-width":     0,
  "panic-strategy":       "abort",
  "relocation-model":     "static",
  "target-pointer-width": "32"
}