solana_rbpf v0.2.31

Safer API:

• Verifier is now a trait
• VM creation requires a verified executable

solana_rbpf v0.2.30

• #339: Fix: *const u8 ptr in JitProgramSections
• #337: Refactor: Remove Result from all emit functions
• #336: Cleanup: Shifts down anchor indices
• #335: Cleanup: Move encoding of jump & call instructions into X86Instruction
• #334: Makes X86Instruction publicly unconstructable
• #333: Optimize random no-op insertion
• #332: Refactor: Offset the IP/PC section
• #331: JIT: Aggressively inline emitter functions
• #330: Refactor: Removes derived traits from the code emitter
• #328: Refactor: Anchor relocations in JIT
• #327: CI: Remove invalid tests
• #326: Speedup X86Instruction::emit()
• #325: Refactor: Remove sdiv anchor in JIT
• #324: Fix CI
• #323: Add verifier negative jump bounds test

solana_rbpf v0.2.29

• #320: Fix - ELF arithmetic overflow with invalid program headers
• #317: Fix - typo in EbpfError::SyscallAlreadyRegistered
• #319: Fix - ELF loading highest_addr
• #318: CI - Add fuzz build check
• #316: Feature - Makes MemoryRegion replaceable
• #315: Refactor - Give the interpreter its own struct and mod
• #314: Fix - some compile issues in the fuzzers
• #313: Cleanup - interpreter code

solana_rbpf v0.2.28

• #311: Force static_syscalls=false for non-SBFv2 files
• #310: JIT: sign-extend the quotient register on sdiv32
• #301: ELF: add support for rodata sections already aligned to MM_PROGRAM_START
• #296: Add support for static syscalls
• #309: Removes the optional hash parameter from bind_syscall_context_objects()
• #308: Bring back #293
• #307: Set Config::dynamic_stack_frames=true by default

solana_rbpf v0.2.27

• #305: Revert "Simplify syscall register and bind (#293)"
• #303: Remove syscalls BpfRand and BpfSqrtI
• #302: Pass custom MemoryRegions to VM constructor
• #300: Adds test code_length_estimate
• #289: Add a variety of fuzzers
• #299: Add to CI checks that build and test the CLI tool
• #297: Fix: bind_syscall_context_objects in the CLI tool
• #298: Have StaticAnalysis constructor return a Result type
• #295: Fix bench build

solana_rbpf v0.2.26

• #293 Simplify syscall register and bind
• #284 elf: avoid copying read-only sections
• #292 Benchmarks for stack address translation and for call depth tracking.
• #283 Add support for signed division
• #274 Add support for dynamic stack frames

solana_rbpf v0.2.25

Fixes:

• #281 Fix: Stack gap end check
• #280 Reject callx r10
• #278 Syscall & BPF function hash collision
• #276 Fix: Static analyzer CHK algorithm
• #275 Fix static analysis: Detect dead code caused by CFG cycles

CI:

• #285 CI: Adds more test cases

Other Changes:

• #286 Cleanup: MemoryMapping
• #282 CLI tool independent jit_compile()
• #277 Pull deps forward

solana_rbpf v0.2.24

Fixes:

• #271 Fix: LDDW instruction meter in the Interpreter
• #272 Fix: Static analysis CFG

solana_rbpf v0.2.23

Fixes:

• #266 JIT x86 code emitter operand sizes

Other Changes:

• #267 Cleanup: Constants for magic numbers in MemoryRegion
• #265 Format callx operand as register

solana_rbpf v0.2.22

Fixes:

• #263 Fix: JIT instruction meter in exit instruction
• #262 Fix: JIT callx unsupported instruction
• #258 Fix: Don't munmap nothing

Other Changes:

• #261 Feature: disable_unresolved_symbols_at_runtime
• #256 Cleanup: Feature gate related configs
• #254 calc executable size
• #251 Add option to disable ldabs* and ldind* instructions

Performance:

• #260 JIT: don't blind safe constants
• #259 Elf load optimizations
• #257 Performance: JIT syscall
• #255 Performance: Truncate mmap
• #252 Performance: JIT emit_bpf_call()

Test Builds:

• #253 CI: Add more memory_region bounds check tests