These are already starting to bitrot. :) I'll be maintaining and
bugfixing them, but won't be re-slicing the patches and spamming the
list continuously. Please let me know if you want an up-to-date version.
— Gordon
On 2007-09-04, at 02:18, Gordon Henriksen wrote:
As followups to this post, I will post a series of six patches
which significantly improve LLVM's garbage collection support.
These patches are not all fully independent, but I have broken them
up into more digestible units for review.
• gc-1-registry.patch (+288 lines)
My previous Registry.h header, as well as Collectors.h, which is
the registry for dynamically-loaded garbage collectors.
• gc-2-metadata.patch (+303 lines)
CollectorMetadata is the data structure populated by back-ends
during code-generation.
• gc-3-collector.patch (+401 lines)
Collector is the base class for garbage collector code generators.
It provides its subclasses with both static configuration and
callbacks through which they can exert its will upon all relevant
stages of code generation.
• gc-4-integration.patch (+113, -17 lines)
In this patch, Collector winds its tendrils throughout the
compiler. Overhead should be minimal when disabled.
• gc-5-shadowstack.patch (+59, -406 lines)
With this patch, the LowerGC transformation is adapted to become
the ShadowStackCollector.
• gc-6-ocaml.patch (+190 lines)
Finally, the new OcamlCollector emits the Ocaml frametable data
structure and related symbols.
Hopefully I can get feedback so that this can be rolled into 2.2
early in the development cycle.
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