在下载gcc for arm的时候,往往会有很多个版本:

这些版本的区别是什么?我该下载哪个版本?

区别无外乎几个:大端 or 小端、ARMv7 or ARMv8、32位 or 64位、裸机 or 嵌入式Linux

multiarch name

syscall ABI

instruction set

endian­ness

word size

description

spec documents

aarch64-linux-gnu

linux

ARMv8

little

64

aarch64 Linux Platform

AAPCS64 (ARM IHI 005A)1
ELF for the ARM 64-bit Architecture2

aarch64_be-linux-gnu

linux

ARMv8

big

64

aarch64 Linux Platform

AAPCS64 (ARM IHI 005A)1
ELF for the ARM 64-bit Architecture2

aarch64-linux-gnu_ilp32

linux

ARMv8

little

32

aarch64 Linux Platform

 

aarch64_be-linux-gnu_ilp32

linux

ARMv8

big

32

aarch64 Linux Platform

 

arm-linux-gnu

linux

ARMv7

little

32

Old ARM ABI

APCS (ARM DUI 0041 chapter 9)4

arm-linux-gnueabi

linux

ARMv7

little

32

ARM EABI, soft-float

AAPCS (ARM IHI 0042D)5
ARM GNU/Linux ABI Supplement6

arm-linux-gnueabihf

linux

ARMv7

little

32

ARM EABI, hard-float

AAPCS (ARM IHI 0042D)5 and
XXXXX (TBD)

armeb-linux-gnueabi

linux

ARMv7

big

32

ARM EABI, soft-float

AAPCS (ARM IHI 0042D)5
ARM GNU/Linux ABI Supplement6

armeb-linux-gnueabihf

linux

ARMv7

big

32

ARM EABI, hard-float

AAPCS (ARM IHI 0042D)5 and
XXXXX (TBD)

armv8l-linux-gnueabihf

linux

ARMv8

little

32

ARMv8 EABI, hard-float

 

arm-eabi

Bare-Metal

ARMv7

little

32

ARM EABI, soft-float

 

armeb-eabi

Bare-Metal

ARMv7

big

32

ARM EABI, soft-float

 

aarch64-elf

Bare-Metal

ARMv8

little

64

ARMv8 EABI, hard-float

 

aarch64_be-elf

Bare-Metal

ARMv8

big

64

ARMv8 EABI, hard-float

 

 

 

 

 

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