rust/src/doc/rustc/src/platform-support.md

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Platform Support

Support for different platforms are organized into three tiers, each with a different set of guarantees.

Platforms are identified by their "target triple" which is the string to inform the compiler what kind of output should be produced. The columns in the tables below have the following meanings:

  • std:
    • ✓ indicates the full standard library is available.
    • * indicates the target only supports no_std development.
    • ? indicates the standard library support is unknown or a work-in-progress.
  • host: A ✓ indicates that rustc and cargo can run on the host platform.

Tier 1

Tier 1 platforms can be thought of as "guaranteed to work". Specifically they will each satisfy the following requirements:

  • Official binary releases are provided for the platform.
  • Automated testing is set up to run tests for the platform.
  • Landing changes to the rust-lang/rust repository's master branch is gated on tests passing.
  • Documentation for how to use and how to build the platform is available.
target std host notes
aarch64-unknown-linux-gnu ARM64 Linux (kernel 4.2, glibc 2.17+) 1
i686-pc-windows-gnu 32-bit MinGW (Windows 7+)
i686-pc-windows-msvc 32-bit MSVC (Windows 7+)
i686-unknown-linux-gnu 32-bit Linux (kernel 2.6.32+, glibc 2.11+)
x86_64-apple-darwin 64-bit macOS (10.7+, Lion+)
x86_64-pc-windows-gnu 64-bit MinGW (Windows 7+)
x86_64-pc-windows-msvc 64-bit MSVC (Windows 7+)
x86_64-unknown-linux-gnu 64-bit Linux (kernel 2.6.32+, glibc 2.11+)

Tier 2

Tier 2 platforms can be thought of as "guaranteed to build". Automated tests are not run so it's not guaranteed to produce a working build, but platforms often work to quite a good degree and patches are always welcome! Specifically, these platforms are required to have each of the following:

  • Official binary releases are provided for the platform.
  • Automated building is set up, but may not be running tests.
  • Landing changes to the rust-lang/rust repository's master branch is gated on platforms building. For some platforms only the standard library is compiled, but for others rustc and cargo are too.
target std host notes
aarch64-apple-darwin ARM64 macOS (11.0+, Big Sur+)
aarch64-apple-ios ARM64 iOS
aarch64-fuchsia ARM64 Fuchsia
aarch64-linux-android ARM64 Android
aarch64-pc-windows-msvc ARM64 Windows MSVC
aarch64-unknown-linux-musl ARM64 Linux with MUSL
aarch64-unknown-none * Bare ARM64, hardfloat
aarch64-unknown-none-softfloat * Bare ARM64, softfloat
arm-linux-androideabi ARMv7 Android
arm-unknown-linux-gnueabi ARMv6 Linux (kernel 3.2, glibc 2.17)
arm-unknown-linux-gnueabihf ARMv6 Linux, hardfloat (kernel 3.2, glibc 2.17)
arm-unknown-linux-musleabi ARMv6 Linux with MUSL
arm-unknown-linux-musleabihf ARMv6 Linux with MUSL, hardfloat
armebv7r-none-eabi * Bare ARMv7-R, Big Endian
armebv7r-none-eabihf * Bare ARMv7-R, Big Endian, hardfloat
armv5te-unknown-linux-gnueabi ARMv5TE Linux (kernel 4.4, glibc 2.23)
armv5te-unknown-linux-musleabi ARMv5TE Linux with MUSL
armv7-linux-androideabi ARMv7a Android
armv7a-none-eabi * Bare ARMv7-A
armv7r-none-eabi * Bare ARMv7-R
armv7r-none-eabihf * Bare ARMv7-R, hardfloat
armv7-unknown-linux-gnueabi ARMv7 Linux (kernel 4.15, glibc 2.27)
armv7-unknown-linux-gnueabihf ARMv7 Linux, hardfloat (kernel 3.2, glibc 2.17)
armv7-unknown-linux-musleabi ARMv7 Linux, MUSL
armv7-unknown-linux-musleabihf ARMv7 Linux with MUSL
asmjs-unknown-emscripten asm.js via Emscripten
i586-pc-windows-msvc 32-bit Windows w/o SSE
i586-unknown-linux-gnu 32-bit Linux w/o SSE (kernel 4.4, glibc 2.23)
i586-unknown-linux-musl 32-bit Linux w/o SSE, MUSL
i686-linux-android 32-bit x86 Android
i686-unknown-freebsd 32-bit FreeBSD
i686-unknown-linux-musl 32-bit Linux with MUSL
mips-unknown-linux-gnu MIPS Linux (kernel 4.4, glibc 2.23)
mips-unknown-linux-musl MIPS Linux with MUSL
mips64-unknown-linux-gnuabi64 MIPS64 Linux, n64 ABI (kernel 4.4, glibc 2.23)
mips64-unknown-linux-muslabi64 MIPS64 Linux, n64 ABI, MUSL
mips64el-unknown-linux-gnuabi64 MIPS64 (LE) Linux, n64 ABI (kernel 4.4, glibc 2.23)
mips64el-unknown-linux-muslabi64 MIPS64 (LE) Linux, n64 ABI, MUSL
mipsel-unknown-linux-gnu MIPS (LE) Linux (kernel 4.4, glibc 2.23)
mipsel-unknown-linux-musl MIPS (LE) Linux with MUSL
nvptx64-nvidia-cuda --emit=asm generates PTX code that runs on NVIDIA GPUs
powerpc-unknown-linux-gnu PowerPC Linux (kernel 2.6.32, glibc 2.11)
powerpc64-unknown-linux-gnu PPC64 Linux (kernel 2.6.32, glibc 2.11)
powerpc64le-unknown-linux-gnu PPC64LE Linux (kernel 3.10, glibc 2.17)
riscv32i-unknown-none-elf * Bare RISC-V (RV32I ISA)
riscv32imac-unknown-none-elf * Bare RISC-V (RV32IMAC ISA)
riscv32imc-unknown-none-elf * Bare RISC-V (RV32IMC ISA)
riscv64gc-unknown-linux-gnu RISC-V Linux (kernel 4.20, glibc 2.29)
riscv64gc-unknown-none-elf * Bare RISC-V (RV64IMAFDC ISA)
riscv64imac-unknown-none-elf * Bare RISC-V (RV64IMAC ISA)
s390x-unknown-linux-gnu S390x Linux (kernel 2.6.32, glibc 2.11)
sparc64-unknown-linux-gnu SPARC Linux (kernel 4.4, glibc 2.23)
sparcv9-sun-solaris SPARC Solaris 10/11, illumos
thumbv6m-none-eabi * Bare Cortex-M0, M0+, M1
thumbv7em-none-eabi * Bare Cortex-M4, M7
thumbv7em-none-eabihf * Bare Cortex-M4F, M7F, FPU, hardfloat
thumbv7m-none-eabi * Bare Cortex-M3
thumbv7neon-linux-androideabi Thumb2-mode ARMv7a Android with NEON
thumbv7neon-unknown-linux-gnueabihf Thumb2-mode ARMv7a Linux with NEON (kernel 4.4, glibc 2.23)
thumbv8m.base-none-eabi * ARMv8-M Baseline
thumbv8m.main-none-eabi * ARMv8-M Mainline
thumbv8m.main-none-eabihf * ARMv8-M Mainline, hardfloat
wasm32-unknown-emscripten WebAssembly via Emscripten
wasm32-unknown-unknown WebAssembly
wasm32-wasi WebAssembly with WASI
x86_64-apple-ios 64-bit x86 iOS
x86_64-fortanix-unknown-sgx Fortanix ABI for 64-bit Intel SGX
x86_64-fuchsia 64-bit Fuchsia
x86_64-linux-android 64-bit x86 Android
x86_64-pc-solaris 64-bit Solaris 10/11, illumos
x86_64-unknown-freebsd 64-bit FreeBSD
x86_64-unknown-illumos illumos
x86_64-unknown-linux-gnux32 64-bit Linux (x32 ABI) (kernel 4.15, glibc 2.27)
x86_64-unknown-linux-musl 64-bit Linux with MUSL
x86_64-unknown-netbsd NetBSD/amd64
x86_64-unknown-redox Redox OS

Tier 3

Tier 3 platforms are those which the Rust codebase has support for, but which are not built or tested automatically, and may not work. Official builds are not available.

target std host notes
aarch64-apple-ios-macabi ? Apple Catalyst on ARM64
aarch64-apple-ios-sim ? Apple iOS Simulator on ARM64
aarch64-apple-tvos * ARM64 tvOS
aarch64-unknown-freebsd ARM64 FreeBSD
aarch64-unknown-hermit ?
aarch64-unknown-linux-gnu_ilp32 ARM64 Linux (ILP32 ABI)
aarch64-unknown-netbsd
aarch64-unknown-openbsd ARM64 OpenBSD
aarch64-unknown-redox ? ARM64 Redox OS
aarch64-uwp-windows-msvc ?
aarch64-wrs-vxworks ?
aarch64_be-unknown-linux-gnu ARM64 Linux (big-endian)
aarch64_be-unknown-linux-gnu_ilp32 ARM64 Linux (big-endian, ILP32 ABI)
armv4t-unknown-linux-gnueabi ?
armv5te-unknown-linux-uclibceabi ? ARMv5TE Linux with uClibc
armv6-unknown-freebsd ARMv6 FreeBSD
armv6-unknown-netbsd-eabihf ?
armv7-apple-ios ARMv7 iOS, Cortex-a8
armv7-unknown-freebsd ARMv7 FreeBSD
armv7-unknown-netbsd-eabihf
armv7-wrs-vxworks-eabihf ?
armv7a-none-eabihf * ARM Cortex-A, hardfloat
armv7s-apple-ios
avr-unknown-gnu-atmega328 AVR. Requires -Z build-std=core
hexagon-unknown-linux-musl ?
i386-apple-ios 32-bit x86 iOS
i686-apple-darwin 32-bit macOS (10.7+, Lion+)
i686-pc-windows-msvc 32-bit Windows XP support
i686-unknown-uefi ? 32-bit UEFI
i686-unknown-haiku 32-bit Haiku
i686-unknown-netbsd NetBSD/i386 with SSE2
i686-unknown-openbsd 32-bit OpenBSD
i686-uwp-windows-gnu ?
i686-uwp-windows-msvc ?
i686-wrs-vxworks ?
mips-unknown-linux-uclibc MIPS Linux with uClibc
mipsel-unknown-linux-uclibc MIPS (LE) Linux with uClibc
mipsel-unknown-none * Bare MIPS (LE) softfloat
mipsel-sony-psp * MIPS (LE) Sony PlayStation Portable (PSP)
mipsisa32r6-unknown-linux-gnu ?
mipsisa32r6el-unknown-linux-gnu ?
mipsisa64r6-unknown-linux-gnuabi64 ?
mipsisa64r6el-unknown-linux-gnuabi64 ?
msp430-none-elf * 16-bit MSP430 microcontrollers
powerpc-unknown-linux-gnuspe PowerPC SPE Linux
powerpc-unknown-linux-musl ?
powerpc-unknown-netbsd
powerpc-unknown-openbsd ?
powerpc-wrs-vxworks ?
powerpc-wrs-vxworks-spe ?
powerpc64-unknown-freebsd PPC64 FreeBSD (ELFv1 and ELFv2)
powerpc64-unknown-linux-musl ?
powerpc64-wrs-vxworks ?
powerpc64le-unknown-linux-musl ?
riscv64gc-unknown-linux-musl RISC-V Linux (kernel 4.20, musl 1.2.0)
riscv32gc-unknown-linux-gnu RISC-V Linux (kernel 5.4, glibc 2.33)
riscv32gc-unknown-linux-musl RISC-V Linux (kernel 5.4, musl + RISCV32 support patches)
s390x-unknown-linux-musl S390x Linux (kernel 2.6.32, MUSL)
sparc-unknown-linux-gnu 32-bit SPARC Linux
sparc64-unknown-netbsd NetBSD/sparc64
sparc64-unknown-openbsd ?
thumbv7a-pc-windows-msvc ?
thumbv7a-uwp-windows-msvc
thumbv7neon-unknown-linux-musleabihf ? Thumb2-mode ARMv7a Linux with NEON, MUSL
thumbv4t-none-eabi * ARMv4T T32
x86_64-apple-ios-macabi Apple Catalyst on x86_64
x86_64-apple-tvos * x86 64-bit tvOS
x86_64-unknown-none-linuxkernel * Linux kernel modules
x86_64-sun-solaris ? Deprecated target for 64-bit Solaris 10/11, illumos
x86_64-pc-windows-msvc 64-bit Windows XP support
x86_64-unknown-dragonfly 64-bit DragonFlyBSD
x86_64-unknown-haiku 64-bit Haiku
x86_64-unknown-hermit ?
x86_64-unknown-none-hermitkernel ? HermitCore kernel
x86_64-unknown-l4re-uclibc ?
x86_64-unknown-openbsd 64-bit OpenBSD
x86_64-unknown-uefi ?
x86_64-uwp-windows-gnu
x86_64-uwp-windows-msvc
x86_64-wrs-vxworks ?

  1. Stack probes support is missing on aarch64-unknown-linux-gnu, but it's planned to be implemented in the near future. The implementation is tracked on issue #77071. ↩︎