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Support moving #229

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@qinsoon qinsoon commented Feb 6, 2025

  • Support VO bit
  • Support conservative stack scanning
  • Support internal pointer pinning
  • Support scanning gcpreserve_stack

qinsoon and others added 15 commits February 5, 2025 23:02
@qinsoon
Process pinning roots - port PR mmtk#142 (mmtk#192)
3f242b5 
Port mmtk#142 to `dev`. Process both
transitively pinning roots, and non transitively pinning roots.
@qinsoon
Deal with GC preserve stacks (mmtk#191)
62fff57 
This PR ports mmtk#156 to `dev`.
@qinsoon
Update FFI
457c572
@qinsoon
Use saturating_sub in gc trigger to avoid overflow
80a7a65
@qinsoon
Support VO bit (mmtk#197)
84d048a 
This PR ports mmtk#158 to `dev`, and
updates Julia to mmtk/julia#76.
@qinsoon
Add some missing variables/functions in mmtk.h
64e402e
@qinsoon
Update julia_types for gcpreserve_stack in jl_task_t
20e6a00
@qinsoon @mmtkgc-bot
Use MMTk's VO bit spec (mmtk#200)
d3d7997 
This PR updates to mmtk-core:
mmtk/mmtk-core#1248. This allows us to remove
the duplicate code for vo bit.

---------

Co-authored-by: mmtkgc-bot <[email protected]>
@udesou @qinsoon
Conservative stack scanning (mmtk#203)
e40e4ca 
This PR ports mmtk#157 and
mmtk#184 to dev.

It also adds an optimization that if a task is not started, the
conservative stack scanning can be skipped for the task.

Merge with mmtk/julia#80.

---------

Co-authored-by: Yi Lin <[email protected]>
@qinsoon
Abort for GC thread panic (mmtk#221)
5c8f1b8 
The code is mainly from `mmrk-ruby`. We hijack the Rust panic hook to
make sure that if the GC threads panic, the process will be aborted. The
current behavior is that when a GC thread panics, the process hangs and
wait for that GC thread to finish its work.

This should be ported to `master`.
@qinsoon
Add pointer pinning to handle internal pointers. Use `jl_active_task_…
9775aae 
…stack`. (mmtk#217)

This PR adds pinning that handles internal pointers. It also uses
`jl_active_task_stack` for stack scanning instead of `jl_task_stack_buffer`.
@qinsoon
Remove redundant set_panic_hook (merge issue)
478ba4e
@udesou @qinsoon
Adding usings_backedges root
5d65c90
@udesou @qinsoon
Skipping Distributed tests
7cee345
@qinsoon
Run moving in CI
aa84850
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qinsoon commented Feb 7, 2025

julia-version
JULIA_REPO=qinsoon/julia
JULIA_REF=mmtk-support-moving

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@qinsoon @udesou