Compatibility & Bug Fixes
- New, simpler ELF Loader
- ioctl32 marshaling for several devices
- Handle more cases of an application pinging self
- binfmt_misc fixes to support AppImage
- Several system call fixes (eventfd, eventfd2, openat, creat, trucnate, clock_nanosleep, pselect6, sendmsg, recvmsg)
- Signal fixes
- Better handling of
/proc/self/,/proc/pid-self/ - Implements support for CLFLUSH
Performance
- Faster AOTIR file loading
- AOTIR offline generation
- Switch to xxhash from fasthash
- IR structure optimizations
- Adds Long Divide removal pass
- Zero-cost asserts
Misc
- Fixes host thread stacks ending up in lower 32-bit VA
- Remove reliance on librt and libnuma
- Default hidden visibility and strip symbols
- FEX now uses jemalloc