Add pointer pinning to handle internal pointers. Use jl_active_task_stack.#217
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Add pointer pinning to handle internal pointers. Use jl_active_task_stack.#217
jl_active_task_stack.#217Conversation
qinsoon
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jl_active_task_stack.
Updating `dev`. Merge with mmtk/julia#85. --------- Co-authored-by: Stephen Kell <srk31-github@srcf.ucam.org> Co-authored-by: Yi Lin <qinsoon@gmail.com> Co-authored-by: Luis Eduardo de Souza Amorim <eduardo@rat.moma>
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udesou
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mmtk/src/api.rs
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| pub extern "C" fn mmtk_pin_pointer(addr: Address) -> bool { | ||
| crate::early_return_for_non_moving_build!(false); | ||
| if mmtk_object_is_managed_by_mmtk(addr.as_usize()) { | ||
| if !crate::object_model::is_addr_in_immixspace(addr) { |
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You only need to pin objects in the immixspace, correct? Wouldn't be enough to do a single check if crate::object_model::is_addr_in_immixspace(addr) instead of having the check mmtk_object_is_managed_by_mmtk(addr.as_usize()) ?
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Yes. It should be fine. I made the change.
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…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`.
udesou
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Feb 18, 2026
…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`.
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This PR adds pinning that handles internal pointers. It also uses
jl_active_task_stackfor stack scanning instead ofjl_task_stack_buffer.