[Lldb-commits] [lldb] [lldb] Introduce formatter bytecode version 2 ABI (PR #228589)

[Adrian Prantl via lldb-commits]

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@@ -238,30 +240,40 @@ This is followed by one or more dictionary values that immediately follow each o
 - Length of the program (ULEB128)
 - The program bytecode
 
+### Calling conventions
+
+A record's version number (see [Embedding](#embedding)) also determines the calling convention of its methods. This includes how `self` (`this`) is represented.
+
+In **version 1** (legacy), `self` is a combination of the data stack after `@init` and `@update` run. Nothing constrains what shape `self` ends up in, it can be zero, one, or many values.
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adrian-prantl wrote:

Just describe the current version and write a short paragraph about what changed in a separate section. If someone needs to know (I don't see why) they can check out the old version of the document.

https://github.com/llvm/llvm-project/pull/228589