Alexander Meißner

Self reference in `ReadAccountMapEntry`

4

#### Problem This single use of `ouroboros::self_referencing` (which was added in #12787) causes ~4.2% of all heap allocation operations during replay: https://github.com/solana-labs/solana/blob/8869d0c8a0b56c4294fe9292bf856e79d16989b5/accounts-db/src/accounts_index.rs#L348 Self referencing structs are an anti-pattern and ouroboros...

Docs - for loaded_programs.rs

1

#### Problem Most structures and enums in loaded_programs.rs are missing documentation.

Cleanup - feature gate of `stop_sibling_instruction_search_at_parent`

1

Feature Gate Issue: #27289

Cleanup - feature gate of `stop_truncating_strings_in_syscalls`

1

Feature Gate Issue: #31029

Feature Gate Issue: #30747

Refactor - Move recompilation out of program loading

2

#### Problem The adjustments for programs being loaded in the recompilation phase can be done at the caller (`Bank::_new_from_parent()`) and don't need to pollute the callee (`TransactionBatchProcessor::load_program()`). This PR was...

Fix - `test_feature_activation_loaded_programs_recompilation_phase()`

2

#### Problem The test currently does skip most of the epoch so the recompilation phase only starts after the epoch boundary. Also, it does only have a single slot after...

Refactor - `LoadedPrograms::assign_program()`

3

#### Problem #### Summary of Changes - Forbids all program replacements except for reloads and builtins. - Removes `test_assign_program_tombstones()` - Adds `test_assign_program_failure()` and `test_assign_program_success()`.

Shader.set_uniform_texture() texture borrow lifetime is too restrictive

9

Borrowing the texture for its entire lifetime renders this method unusable: 1. It means the texture can not be updated anymore. 2. Even if the texture is created just for...

Refactor - Separates the text section from read-only sections

3

Preparation so that the strict ELF parser can enforce a clear layout in which text and read-only sections are separate. This PR removes the indirection in which the text section...