• Marcel (3/3) Oct 14 2019 It appears that the ABI specification only describes the register
• Stefan Koch (3/6) Oct 14 2019 It's the same as c++.
• Marcel (2/8) Oct 14 2019 Excellent, thank you!

Marcel <marcelpi97 gmail.com> writes:

It appears that the ABI specification only describes the register 
convention for x86. Where can I find which registers get 
preserved across function calls for 64-bit targets?

Stefan Koch <uplink.coder googlemail.com> writes:

On Monday, 14 October 2019 at 16:02:28 UTC, Marcel wrote:
 It appears that the ABI specification only describes the 
 register convention for x86. Where can I find which registers 
 get preserved across function calls for 64-bit targets?

It's the same as c++.

https://en.wikipedia.org/wiki/X86_calling_conventions#x86-64_calling_conventions

Marcel <marcelpi97 gmail.com> writes:

On Monday, 14 October 2019 at 16:05:34 UTC, Stefan Koch wrote:
 On Monday, 14 October 2019 at 16:02:28 UTC, Marcel wrote:
 It appears that the ABI specification only describes the 
 register convention for x86. Where can I find which registers 
 get preserved across function calls for 64-bit targets?

 It's the same as c++.

 https://en.wikipedia.org/wiki/X86_calling_conventions#x86-64_calling_conventions

Excellent, thank you!