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@stuij stuij released this 23 Dec 15:01
2020Q4
f52e1ad

The biggest change in this release is the addition of 10 converted specifications:

  • Procedure Call Standard for the Arm Architecture (aapcs32)
  • ELF for the Arm Architecture (aaelf32)
  • DWARF for the Arm Architecture (aadwarf32)
  • C++ ABI for the Arm Architecture (cppabi32)
  • Run-time ABI for the Arm Architecture (rtabi32)
  • DWARF for the Arm 64-bit Architecture (aadwarf64)
  • PAuth ABI Extension to ELF for the Arm 64-bit Architecture (pauthabielf64)
  • Morello Extension to the Procedure Call Standard for the Arm 64-bit Architecture (aapcs64)
  • Morello Extension to ELF for the Arm 64-bit Architecture (aaelf64)
  • Morello Extension to DWARF for the Arm 64-bit Architecture (aadwarf64)
  • Semihosting for AArch32 and AArch64 (semihosting)

In addition, both the 32-bit and 64-bit versions of the Dwarf ABI specs gained Thread ID register number assignments, and in the 64-bit version of the Dwarf ABI spec, the PC was added as a register.

the specifications included in this release

ABI for the Arm 32-bit Architecture

  • Procedure Call Standard for the Arm Architecture - pdf, html
  • ELF for the Arm Architecture - pdf, html
  • DWARF for the Arm Architecture - pdf, html
  • C++ ABI for the Arm Architecture - pdf, html
  • Exception Handling ABI for the Arm Architecture - pdf, html
  • Run-time ABI for the Arm Architecture - pdf, html
  • C Library for the Arm Architecture - pdf, html
  • Addenda to, and Errata in, the ABI for the ARM Architecture - pdf, html

ABI for the Arm 64-bit Architecture

  • Procedure Call Standard for the Arm 64-bit Architecture - pdf, html
  • ELF for the Arm 64-bit Architecture - pdf, html
  • DWARF for the Arm 64-bit Architecture - pdf, html
  • Vector Function ABI for the Arm 64-bit Architecture - pdf, html

PAuth ABI Extension

  • PAuth ABI Extension to ELF for the Arm 64-bit Architecture - pdf, html

Morello Extension

  • Morello Extension to the Procedure Call Standard for the Arm 64-bit Architecture - pdf, html
  • Morello Extension to ELF for the Arm 64-bit Architecture - pdf, html
  • Morello Extension to DWARF for the Arm 64-bit Architecture - pdf, html

Miscellaneous material

  • Semihosting for AArch32 and AArch64 - pdf, html

download bundle

PDFs of all the above specifications have also been bundled in this zip file.

other specifications

For the other ABI specifications, please go to: https://developer.arm.com/architectures/system-architectures/software-standards/abi

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