From 283443371b8c2e40750e56d86c05f711a89d786c Mon Sep 17 00:00:00 2001 From: Fangrui Song Date: Sun, 4 Aug 2024 13:48:22 -0700 Subject: [PATCH] ReleaseNotes: lld/ELF: mention CREL --- lld/docs/ReleaseNotes.rst | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/lld/docs/ReleaseNotes.rst b/lld/docs/ReleaseNotes.rst index 09081e421e9050..98fddcd7bf7f25 100644 --- a/lld/docs/ReleaseNotes.rst +++ b/lld/docs/ReleaseNotes.rst @@ -26,6 +26,12 @@ Non-comprehensive list of changes in this release ELF Improvements ---------------- +* Experimental CREL relocations with explicit addends are now supported using the + temporary section type code 0x40000020 (``clang -c -Wa,--crel,--allow-experimental-crel``). + LLVM will change the code and break compatibility (Clang and lld of different + versions are not guaranteed to cooperate, unlike other features). CREL with + implicit addends are not supported. + (`#98115 `_) * ``EI_OSABI`` in the output is now inferred from input object files. (`#97144 `_) * ``--compress-sections ={none,zlib,zstd}[:level]`` is added to compress @@ -88,7 +94,7 @@ ELF Improvements (`#94099 `_) Non-alloc orphan sections are now placed at the end. (`#94519 `_) -* R_X86_64_REX_GOTPCRELX of the addq form is no longer incorrectly optimized when the address is larger than 0x80000000. +* ``R_X86_64_REX_GOTPCRELX`` of the addq form is no longer incorrectly optimized when the address is larger than 0x80000000. Breaking changes ----------------