Direct Mapping Supercharged#5871

Merged

Lichtso merged 27 commits into

anza-xyz:masterfrom

Lichtso:direct_mapping_supercharged

Jul 11, 2025

Commits on Jul 11, 2025

Patches SBPF dependency in Cargo.toml
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committed
Splits off aligment padding from realloc region.
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Only serialize MAX_PERMITTED_DATA_INCREASE when copy_account_data.
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Separate data writeback, resize and address bump.
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Throws InstructionError::AccountDataTooSmall for load accesses and InstructionError::InvalidRealloc for write accesses beyond the current account length.
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Removes the realloc padding region, leaving its address space unmapped.
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Resizes / reallocs account on demand in TransactionContext::access_violation_handler().
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Stops zeroing of spare capacity in update_caller_account().
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Stops moving the contents of the realloc region around.
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Renames update_caller_account_perms() => update_caller_account_region().
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Splits TranslatedAccount update_caller_account_region and update_caller_account_info.
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Reformulates realloc constraint in terms of address_space_reserved_for_account.
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Removes noncontiguous versions of memops.
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Adds touch_type_mut() and touch_slice_mut() to translate_mut!().
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Removes parameter writable from Serializer::push_region().
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Inlines account_data_region().
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Cleanup unused code and dependencies.
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Runs update_callee_account() and update_caller_account() tests with direct_mapping as well.
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Removes test_update_caller_account_data_capacity_direct_mapping().
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Removes test_update_caller_account_data_direct_mapping().
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Removes test_update_callee_account_data_direct_mapping().
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Removes test_cpi_change_account_data_memory_allocation().
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Adjusts tests.
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Adds test_deny_access_beyond_current_length().
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Adds test_access_violation_handler().
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Moves the `post_len > address_space_reserved_for_account` check outside of `if prev_len != post_len`.
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Swaps the execution order of `update_caller_account()` and `update_caller_account_region()`.
Lichtso
committed

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Direct Mapping Supercharged#5871

Direct Mapping Supercharged#5871
Lichtso merged 27 commits into
anza-xyz:masterfrom
Lichtso:direct_mapping_supercharged

Commits on Jul 11, 2025

Patches SBPF dependency in Cargo.toml

Splits off aligment padding from realloc region.

Only serialize MAX_PERMITTED_DATA_INCREASE when copy_account_data.

Separate data writeback, resize and address bump.

Throws InstructionError::AccountDataTooSmall for load accesses and InstructionError::InvalidRealloc for write accesses beyond the current account length.

Removes the realloc padding region, leaving its address space unmapped.

Resizes / reallocs account on demand in TransactionContext::access_violation_handler().

Stops zeroing of spare capacity in update_caller_account().

Stops moving the contents of the realloc region around.

Renames update_caller_account_perms() => update_caller_account_region().

Splits TranslatedAccount update_caller_account_region and update_caller_account_info.

Reformulates realloc constraint in terms of address_space_reserved_for_account.

Removes noncontiguous versions of memops.

Adds touch_type_mut() and touch_slice_mut() to translate_mut!().

Removes parameter writable from Serializer::push_region().

Inlines account_data_region().

Cleanup unused code and dependencies.

Runs update_callee_account() and update_caller_account() tests with direct_mapping as well.

Removes test_update_caller_account_data_capacity_direct_mapping().

Removes test_update_caller_account_data_direct_mapping().

Removes test_update_callee_account_data_direct_mapping().

Removes test_cpi_change_account_data_memory_allocation().

Adjusts tests.

Adds test_deny_access_beyond_current_length().

Adds test_access_violation_handler().

Moves the `post_len > address_space_reserved_for_account` check outside of `if prev_len != post_len`.

Swaps the execution order of `update_caller_account()` and `update_caller_account_region()`.