Changes in section-gnu.s

365be7ac - [MC][ELF] Use SHF_SUNW_NODISCARD instead of SHF_GNU_RETAIN on Solaris

Wed, 23 Feb 2022 14:43:12 +0000

[MC][ELF] Use SHF_SUNW_NODISCARD instead of SHF_GNU_RETAIN on SolarisAs requested in D107955 , this patchsplits off the `MC` and `CodeGen` parts and adds a testcase.Tested on `sparcv9-sun-solaris2.11`, `amd64-pc-solaris2.11`, and`x86_64-pc-linux-gnu`.Differential Revision: https://reviews.llvm.org/D120318 List of files: /llvm-project-15.0.7/llvm/test/MC/ELF/section-gnu.s

6a7a2083 - Add requirement for aarch64-registered-target to test change added in 42e3f97a9dd3a439f63a733c4ee909cba6b77e49.

Tue, 09 Mar 2021 20:24:32 +0000

Add requirement for aarch64-registered-target to test change added in 42e3f97a9dd3a439f63a733c4ee909cba6b77e49. List of files: /llvm-project-15.0.7/llvm/test/MC/ELF/section-gnu.s

42e3f97a - [MC] Change ELFOSABI_NONE to ELFOSABI_GNU for SHF_GNU_RETAIN

Tue, 09 Mar 2021 17:59:47 +0000

[MC] Change ELFOSABI_NONE to ELFOSABI_GNU for SHF_GNU_RETAINGNU ld does not give SHF_GNU_RETAIN GC root semantics for ELFOSABI_NONE.(https://sourceware.org/pipermail/binutils/2021-March/115581.html)This allows GNU ld to interpret SHF_GNU_RETAIN and avoids a gold quirkhttps://sourceware.org/bugzilla/show_bug.cgi?id=27490Because ELFObjectWriter is in an anonymous namespace, I have to place`markGnuAbi` in the parent MCObjectWriter.Differential Revision: https://reviews.llvm.org/D97976 List of files: /llvm-project-15.0.7/llvm/test/MC/ELF/section-gnu.s

1477ed84 - [MC] Support SHF_GNU_RETAIN as section flag 'R'

Tue, 02 Feb 2021 17:34:08 +0000

[MC] Support SHF_GNU_RETAIN as section flag 'R'On Linux target triples, GNU as sets EI_OSABI to ELFOSABI_GNU when SHF_GNU_RETAIN is used。On `*-*-freebsd`, it usually sets EI_OSABI to ELFOSABI_FREEBSD.GNU ld respects SHF_GNU_RETAIN only for ELFOSABI_FREEBSD/ELFOSABI_GNU.https://sourceware.org/bugzilla/show_bug.cgi?id=27282MC doesn't set ELFOSABI_GNU for SHF_GNU_RETAIN/STB_GNU_UNIQUE/STT_GNU_IFUNC.MC assembled object files do not have special semantics in GNU ld.Reviewed By: psmithDifferential Revision: https://reviews.llvm.org/D95730 List of files: /llvm-project-15.0.7/llvm/test/MC/ELF/section-gnu.s