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Build attribute sections can now be read if they exist via ELFObjectFile, and the llvm-readobj tool has been extended with an option to dump this information if requested. Regression tests are also included which exercise these features. Also update the docs with a fixed ARM ABI link and a new link to the Addenda which provides the build attributes specification. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181009 91177308-0d34-0410-b5e6-96231b3b80d8
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========================================================
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Architecture & Platform Information for Compiler Writers
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========================================================
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.. contents::
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:local:
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.. note::
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This document is a work-in-progress. Additions and clarifications are
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welcome.
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Hardware
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========
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ARM
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---
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* `ARM documentation <http://www.arm.com/documentation/>`_ (`Processor Cores <http://www.arm.com/documentation/ARMProcessor_Cores/>`_ Cores)
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* `ELF ABI <http://infocenter.arm.com/help/topic/com.arm.doc.ihi0044e/IHI0044E_aaelf.pdf>`_
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* `Addenda to the ARM ABI <http://infocenter.arm.com/help/topic/com.arm.doc.ihi0045d/IHI0045D_ABI_addenda.pdf>`_
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* `ARM C Language Extensions <http://infocenter.arm.com/help/topic/com.arm.doc.ihi0053a/IHI0053A_acle.pdf>`_
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AArch64
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-------
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* `ARMv8 Instruction Set Overview <http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.genc010197a/index.html>`_
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* `ARM C Language Extensions <http://infocenter.arm.com/help/topic/com.arm.doc.ihi0053a/IHI0053A_acle.pdf>`_
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Itanium (ia64)
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--------------
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* `Itanium documentation <http://developer.intel.com/design/itanium2/documentation.htm>`_
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MIPS
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----
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* `MIPS Processor Architecture <http://mips.com/content/Documentation/MIPSDocumentation/ProcessorArchitecture/doclibrary>`_
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PowerPC
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-------
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IBM - Official manuals and docs
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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* `Power Instruction Set Architecture, Versions 2.03 through 2.06 (authentication required, free sign-up) <https://www.power.org/technology-introduction/standards-specifications>`_
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* `PowerPC Compiler Writer's Guide <http://www.ibm.com/chips/techlib/techlib.nsf/techdocs/852569B20050FF7785256996007558C6>`_
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* `Intro to PowerPC Architecture <http://www.ibm.com/developerworks/linux/library/l-powarch/>`_
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* `PowerPC Processor Manuals (embedded) <http://www.ibm.com/chips/techlib/techlib.nsf/products/PowerPC>`_
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* `Various IBM specifications and white papers <https://www.power.org/documentation/?document_company=105&document_category=all&publish_year=all&grid_order=DESC&grid_sort=title>`_
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* `IBM AIX/5L for POWER Assembly Reference <http://publibn.boulder.ibm.com/doc_link/en_US/a_doc_lib/aixassem/alangref/alangreftfrm.htm>`_
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Other documents, collections, notes
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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* `PowerPC ABI documents <http://penguinppc.org/dev/#library>`_
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* `PowerPC64 alignment of long doubles (from GCC) <http://gcc.gnu.org/ml/gcc-patches/2003-09/msg00997.html>`_
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* `Long branch stubs for powerpc64-linux (from binutils) <http://sources.redhat.com/ml/binutils/2002-04/msg00573.html>`_
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SPARC
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-----
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* `SPARC resources <http://www.sparc.org/resource.htm>`_
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* `SPARC standards <http://www.sparc.org/standards.html>`_
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X86
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---
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AMD - Official manuals and docs
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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* `AMD processor manuals <http://www.amd.com/us-en/Processors/TechnicalResources/0,,30_182_739,00.html>`_
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* `X86-64 ABI <http://www.x86-64.org/documentation>`_
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Intel - Official manuals and docs
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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* `Intel 64 and IA-32 manuals <http://www.intel.com/content/www/us/en/processors/architectures-software-developer-manuals.html>`_
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* `Intel Itanium documentation <http://www.intel.com/design/itanium/documentation.htm?iid=ipp_srvr_proc_itanium2+techdocs>`_
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Other x86-specific information
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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* `Calling conventions for different C++ compilers and operating systems <http://www.agner.org/optimize/calling_conventions.pdf>`_
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Other relevant lists
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--------------------
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* `GCC reading list <http://gcc.gnu.org/readings.html>`_
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ABI
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===
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Linux
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-----
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* `PowerPC 64-bit ELF ABI Supplement <http://www.linuxbase.org/spec/ELF/ppc64/>`_
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* `Procedure Call Standard for the AArch64 Architecture <http://infocenter.arm.com/help/topic/com.arm.doc.ihi0055a/IHI0055A_aapcs64.pdf>`_
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* `ELF for the ARM 64-bit Architecture (AArch64) <http://infocenter.arm.com/help/topic/com.arm.doc.ihi0056a/IHI0056A_aaelf64.pdf>`_
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OS X
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----
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* `Mach-O Runtime Architecture <http://developer.apple.com/documentation/Darwin/RuntimeArchitecture-date.html>`_
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* `Notes on Mach-O ABI <http://www.unsanity.org/archives/000044.php>`_
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NVPTX
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=====
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* `CUDA Documentation <http://docs.nvidia.com/cuda/index.html>`_ includes the PTX
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ISA and Driver API documentation
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Miscellaneous Resources
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=======================
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* `Executable File Format library <http://www.nondot.org/sabre/os/articles/ExecutableFileFormats/>`_
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* `GCC prefetch project <http://gcc.gnu.org/projects/prefetch.html>`_ page has a
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good survey of the prefetching capabilities of a variety of modern
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processors.
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