Recommit "rL366894: [yaml2obj] - Allow custom fields for the SHT_UNDEF sections."
[llvm-complete.git] / docs / CompilerWriterInfo.rst
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1 ========================================================
2 Architecture & Platform Information for Compiler Writers
3 ========================================================
5 .. contents::
6    :local:
8 .. note::
10   This document is a work-in-progress.  Additions and clarifications are
11   welcome.
13 Hardware
14 ========
16 AArch64 & ARM
17 -------------
19 * `ARMv8-A Architecture Reference Manual <https://developer.arm.com/docs/ddi0487/latest>`_ This document covers both AArch64 and ARM instructions
21 * `ARMv7-A Architecture Reference Manual <https://developer.arm.com/docs/ddi0406/latest>`_ This has some useful info on what is supported by older architecture versions.
23 * `ARMv7-M Architecture Reference Manual <https://developer.arm.com/docs/ddi0403/latest>`_ This covers the Thumb2-only microcontrollers
25 * `ARMv6-M Architecture Reference Manual <https://developer.arm.com/docs/ddi0419/latest>`_ This covers the Thumb1-only microcontrollers
27 * `ARM C Language Extensions <http://infocenter.arm.com/help/topic/com.arm.doc.ihi0053c/IHI0053C_acle_2_0.pdf>`_
29 * `ARM NEON Intrinsics Reference <http://infocenter.arm.com/help/topic/com.arm.doc.ihi0073b/IHI0073B_arm_neon_intrinsics_ref.pdf>`_
31 * AArch32 `ABI Addenda and Errata <http://infocenter.arm.com/help/topic/com.arm.doc.ihi0045d/IHI0045D_ABI_addenda.pdf>`_
33 * `Cortex-A57 Software Optimization Guide <http://infocenter.arm.com/help/topic/com.arm.doc.uan0015b/Cortex_A57_Software_Optimization_Guide_external.pdf>`_
35 * `Run-time ABI for the ARM Architecture <http://infocenter.arm.com/help/topic/com.arm.doc.ihi0043d/IHI0043D_rtabi.pdf>`_ This documents the __aeabi_* helper functions.
37 Itanium (ia64)
38 --------------
40 * `Itanium documentation <http://developer.intel.com/design/itanium2/documentation.htm>`_
42 Lanai
43 -----
45 * `Lanai Instruction Set Architecture <http://g.co/lanai/isa>`_
48 MIPS
49 ----
51 * `MIPS Processor Architecture <https://www.mips.com/products/>`_
53 * `MIPS 64-bit ELF Object File Specification <http://techpubs.sgi.com/library/manuals/4000/007-4658-001/pdf/007-4658-001.pdf>`_
55 PowerPC
56 -------
58 IBM - Official manuals and docs
59 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
61 * `Power Instruction Set Architecture, Versions 2.03 through 2.06 (authentication required, free sign-up) <https://www.power.org/technology-introduction/standards-specifications>`_
63 * `PowerPC Compiler Writer's Guide <http://www.ibm.com/chips/techlib/techlib.nsf/techdocs/852569B20050FF7785256996007558C6>`_
65 * `Intro to PowerPC Architecture <http://www.ibm.com/developerworks/linux/library/l-powarch/>`_
67 * `PowerPC Processor Manuals (embedded) <http://www.ibm.com/chips/techlib/techlib.nsf/products/PowerPC>`_
69 * `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>`_
71 * `IBM AIX/5L for POWER Assembly Reference <http://publibn.boulder.ibm.com/doc_link/en_US/a_doc_lib/aixassem/alangref/alangreftfrm.htm>`_
73 Other documents, collections, notes
74 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
76 * `PowerPC ABI documents <http://penguinppc.org/dev/#library>`_
77 * `PowerPC64 alignment of long doubles (from GCC) <http://gcc.gnu.org/ml/gcc-patches/2003-09/msg00997.html>`_
78 * `Long branch stubs for powerpc64-linux (from binutils) <http://sources.redhat.com/ml/binutils/2002-04/msg00573.html>`_
80 AMDGPU
81 ------
83 Refer to :doc:`AMDGPUUsage` for additional documentation.
85 RISC-V
86 ------
87 * `RISC-V User-Level ISA Specification <https://riscv.org/specifications/>`_
89 SPARC
90 -----
92 * `SPARC standards <http://sparc.org/standards>`_
93 * `SPARC V9 ABI <http://sparc.org/standards/64.psabi.1.35.ps.Z>`_
94 * `SPARC V8 ABI <http://sparc.org/standards/psABI3rd.pdf>`_
96 SystemZ
97 -------
99 * `z/Architecture Principles of Operation (registration required, free sign-up) <http://www-01.ibm.com/support/docview.wss?uid=isg2b9de5f05a9d57819852571c500428f9a>`_
104 * `AMD processor manuals <http://developer.amd.com/resources/developer-guides-manuals/>`_
105 * `Intel 64 and IA-32 manuals <http://www.intel.com/content/www/us/en/processors/architectures-software-developer-manuals.html>`_
106 * `Intel Itanium documentation <http://www.intel.com/design/itanium/documentation.htm?iid=ipp_srvr_proc_itanium2+techdocs>`_
107 * `X86 and X86-64 SysV psABI <https://github.com/hjl-tools/x86-psABI/wiki/X86-psABI>`_
108 * `Calling conventions for different C++ compilers and operating systems  <http://www.agner.org/optimize/calling_conventions.pdf>`_
110 XCore
111 -----
113 * `The XMOS XS1 Architecture (ISA) <https://www.xmos.com/en/download/public/The-XMOS-XS1-Architecture%28X7879A%29.pdf>`_
114 * `Tools Development Guide (includes ABI) <https://www.xmos.com/download/public/Tools-Development-Guide%28X9114A%29.pdf>`_
116 Hexagon
117 -------
119 * `Hexagon Programmer's Reference Manuals and Hexagon ABI Specification (registration required, free sign-up) <https://developer.qualcomm.com/software/hexagon-dsp-sdk/tools>`_
121 Other relevant lists
122 --------------------
124 * `GCC reading list <http://gcc.gnu.org/readings.html>`_
129 * `System V Application Binary Interface <http://www.sco.com/developers/gabi/latest/contents.html>`_
130 * `Itanium C++ ABI <http://itanium-cxx-abi.github.io/cxx-abi/>`_ (This is used for all non-Windows targets.)
132 Linux
133 -----
135 * `Linux extensions to gabi <https://github.com/hjl-tools/linux-abi/wiki/Linux-Extensions-to-gABI>`_
136 * `PowerPC 64-bit ELF ABI Supplement <http://www.linuxbase.org/spec/ELF/ppc64/>`_
137 * `Procedure Call Standard for the AArch64 Architecture <http://infocenter.arm.com/help/topic/com.arm.doc.ihi0055a/IHI0055A_aapcs64.pdf>`_
138 * `Procedure Call Standard for the ARM Architecture <https://developer.arm.com/docs/ihi0042/latest>`_
139 * `ELF for the ARM Architecture <http://infocenter.arm.com/help/topic/com.arm.doc.ihi0044e/IHI0044E_aaelf.pdf>`_
140 * `ELF for the ARM 64-bit Architecture (AArch64) <http://infocenter.arm.com/help/topic/com.arm.doc.ihi0056a/IHI0056A_aaelf64.pdf>`_
141 * `System z ELF ABI Supplement <http://legacy.redhat.com/pub/redhat/linux/7.1/es/os/s390x/doc/lzsabi0.pdf>`_
143 macOS
144 -----
146 * `Mach-O Runtime Architecture <http://developer.apple.com/documentation/Darwin/RuntimeArchitecture-date.html>`_
147 * `Notes on Mach-O ABI <http://www.unsanity.org/archives/000044.php>`_
148 * `ARM64 Function Calling Conventions <https://developer.apple.com/library/archive/documentation/Xcode/Conceptual/iPhoneOSABIReference/Articles/ARM64FunctionCallingConventions.html>`_
150 Windows
151 -------
153 * `Microsoft PE/COFF Specification <http://www.microsoft.com/whdc/system/platform/firmware/pecoff.mspx>`_
154 * `ARM64 exception handling <https://docs.microsoft.com/en-us/cpp/build/arm64-exception-handling>`_
155 * `ARM exception handling <https://docs.microsoft.com/en-us/cpp/build/arm-exception-handling>`_
156 * `Overview of ARM64 ABI conventions <https://docs.microsoft.com/en-us/cpp/build/arm64-windows-abi-conventions>`_
157 * `Overview of ARM32 ABI Conventions <https://docs.microsoft.com/en-us/cpp/build/overview-of-arm-abi-conventions>`_
159 NVPTX
160 =====
162 * `CUDA Documentation <http://docs.nvidia.com/cuda/index.html>`_ includes the PTX
163   ISA and Driver API documentation
165 Miscellaneous Resources
166 =======================
168 * `Executable File Format library <http://www.nondot.org/sabre/os/articles/ExecutableFileFormats/>`_
170 * `GCC prefetch project <http://gcc.gnu.org/projects/prefetch.html>`_ page has a
171   good survey of the prefetching capabilities of a variety of modern
172   processors.