The Rustc Book

• What is rustc?
• Command-line Arguments
  • Print Options
  • Codegen Options
• Jobserver
• Lints
  • Lint Levels
  • Lint Groups
  • Lint Listing
    • Allowed-by-default Lints
    • Warn-by-default Lints
    • Deny-by-default Lints
• JSON Output
• Tests
• Targets
  • Built-in Targets
  • Custom Targets
  • Known Issues
• Profile-guided Optimization
• Instrumentation-based Code Coverage
• Linker-plugin-based LTO
• Checking Conditional Configurations
  • Cargo Specifics
• Remap source paths
• Exploit Mitigations
• Symbol Mangling
  • v0 Symbol Format
• Contributing to rustc

---

• Platform Support
  • Target Tier Policy
  • Template for Target-specific Documentation
  • arm64ec-pc-windows-msvc
  • *-apple-darwin
    • i686-apple-darwin
    • x86_64h-apple-darwin
    • arm64e-apple-darwin
  • *-apple-ios
    • *-apple-ios-macabi
    • arm64e-apple-ios
  • *-apple-tvos
    • arm64e-apple-tvos
  • *-apple-watchos
  • *-apple-visionos
  • aarch64-nintendo-switch-freestanding
  • aarch64-unknown-linux-gnu
  • aarch64-unknown-linux-musl
  • aarch64-unknown-linux-pauthtest
  • aarch64-unknown-none*
  • aarch64v8r-unknown-none*
  • aarch64_be-unknown-none-softfloat
  • aarch64_be-unknown-linux-musl
  • amdgcn-amd-amdhsa
  • arm-none-eabi
    • {arm,thumb}v4t-none-eabi
    • {arm,thumb}v5te-none-eabi
    • {arm,thumb}v6-none-eabi{,hf}
    • {arm,thumb}v7a-none-eabi{,hf}
    • {arm,thumb}v7r-none-eabi{,hf}
    • {arm,thumb}v8r-none-eabihf
    • thumbv6m-none-eabi
    • thumbv7em-none-eabi*
    • thumbv7m-none-eabi
    • thumbv8m.base-none-eabi
    • thumbv8m.main-none-eabi*
    • armebv7r-none-eabi{,hf}
  • arm*-unknown-linux-*
    • armeb-unknown-linux-gnueabi
    • armv5te-unknown-linux-gnueabi
    • armv7-unknown-linux-gnueabi
    • armv7-unknown-linux-uclibceabi
    • armv7-unknown-linux-uclibceabihf
  • armv6k-nintendo-3ds
  • armv7-rtems-eabihf
  • armv7-sony-vita-newlibeabihf
  • *-android and *-androideabi
  • *-linux-ohos
  • *-hurd-gnu
  • aarch64-unknown-teeos
  • avr-none
  • *-espidf
  • *-unknown-fuchsia
  • *-unknown-l4re
  • *-unknown-trusty
  • *-kmc-solid_*
  • bpf*-unknown-none
  • csky-unknown-linux-gnuabiv2*
  • hexagon-unknown-linux-musl
  • hexagon-unknown-none-elf
  • hexagon-unknown-qurt
  • illumos
  • loongarch*-unknown-linux-*
  • loongarch*-unknown-none*
  • *-lynxos178-*
  • m68k-unknown-linux-gnu
  • m68k-unknown-none-elf
  • mips64-openwrt-linux-musl
  • mips64-unknown-linux-muslabi64
  • mipsel-sony-psx
  • mipsel-unknown-linux-gnu
  • mips*-mti-none-elf
  • mipsisa*r6*-unknown-linux-gnu*
  • nvptx64-nvidia-cuda
  • *-oe-linux-gnu
  • powerpc-unknown-openbsd
  • powerpc-unknown-linux-gnuspe
  • powerpc-unknown-linux-muslspe
  • powerpc64-ibm-aix
  • powerpc64-unknown-linux-gnuelfv2
  • powerpc64-unknown-linux-musl
  • powerpc64le-unknown-linux-gnu
  • powerpc64le-unknown-linux-musl
  • riscv32e*-unknown-none-elf
  • riscv32i*-unknown-none-elf
  • riscv32im-risc0-zkvm-elf
  • riscv32imac-unknown-xous-elf
  • riscv64im-unknown-none-elf
  • riscv64gc-unknown-linux-gnu
  • riscv64gc-unknown-linux-musl
  • riscv64a23-unknown-linux-gnu
  • s390x-unknown-linux-gnu
  • s390x-unknown-linux-musl
  • s390x-unknown-none-softfloat
  • sparc-unknown-none-elf
  • solaris
  • thumbv7a-vex-v5
  • *-nto-qnx-*
  • *-unikraft-linux-musl
  • *-unknown-helenos
  • *-unknown-hermit
  • *-unknown-freebsd
  • *-unknown-managarm-mlibc
  • *-unknown-motor
  • *-unknown-netbsd*
  • *-unknown-openbsd
  • *-unknown-redox
  • *-unknown-uefi
  • *-pc-windows-msvc
  • *-uwp-windows-msvc
  • *-wrs-vxworks
  • wasm32-wasip1
  • wasm32-wasip1-threads
  • wasm32-wasip2
  • wasm32-wasip3
  • wasm32-wali-linux-musl
  • wasm32-unknown-emscripten
  • wasm32-unknown-unknown
  • wasm32v1-none
  • wasm64-unknown-unknown
  • windows-gnu
  • windows-gnullvm
  • *-win7-windows-gnu
  • *-win7-windows-msvc
  • x86_64-fortanix-unknown-sgx
  • x86_64-pc-cygwin
  • x86_64-unknown-linux-none
  • x86_64-unknown-none
  • x86_64-unknown-linux-gnuasan
  • x86_64-unknown-linux-gnumsan
  • x86_64-unknown-linux-gnutsan
  • xtensa-*-none-elf
  • *-nuttx-*