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loader.rst: Add documentation for AArch64 support

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Ryan Long 2022-08-08 15:04:29 -05:00 committed by Joel Sherrill
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user/exe/loader.rst
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@ -837,6 +837,7 @@ Architectures
The following architectures are supported: The following architectures are supported:
- AArch64
- ARM - ARM
- Blackfin - Blackfin
- H8300 - H8300
@ -849,10 +850,19 @@ The following architectures are supported:
- SPARC - SPARC
- V850 - V850
AArch64
^^^^^^^
The AArch64 relocation backend supports veneers which is trampolines.
The veneer implementation is two instructions and a 64bit target address
making the overhead 16 bytes for each veneer. The performance overhead is two
instructions.
ARM ARM
^^^ ^^^
The ARM relocation backend supports veneers which is trampolines. The ARM relocation backend supports veneers.
The veneer implementation is a single instruction and a 32bit target address The veneer implementation is a single instruction and a 32bit target address
making the overhead 8 bytes for each veneer. The performance overhead is a making the overhead 8 bytes for each veneer. The performance overhead is a