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# Supported platforms
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IBM POWER and Freescale (nee Motorola) PowerPC processors, in three flavors:
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* 32 bits, ELF ABI: Debian's `powerpc`
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* 64 bits big-endian, ELF ABI v1: Debian's `powerpc`
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* 64 bits little-endian, ELF ABI v2: Debian's `ppc64el`
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No longer supported: AIX and MacOS X.
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# Reference documents
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* Instruction set architecture:
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_PowerPC User Instruction Set Architecture_,
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book 1 of _PowerPC Architecture Book_
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(http://www.ibm.com/developerworks/systems/library/es-archguide-v2.html).
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* ELF ABI 32 bits:
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_System V Application Binary Interface, PowerPC Processor Supplement_
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* ELF ABI 64 bits version 1:
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_64-bit PowerPC ELF Application Binary Interface Supplement_
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(http://refspecs.linuxfoundation.org/ELF/ppc64/PPC-elf64abi.html)
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* ELF ABI 64 bits version 2:
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_Power Architecture 64-bit ELF V2 ABI Specification,
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OpenPOWER ABI for Linux Supplement_
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(http://openpowerfoundation.org/technical/technical-resources/technical-specifications/)
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* _The PowerPC Compiler Writer's Guide_, Warthman Associates, 1996.
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(PDF available from various sources on the Web.)
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