[PATCH] D43818: Better OpenBSD frontend support

This revision was automatically updated to reflect the committed changes. Closed by commit rL326645: Better OpenBSD frontend support (authored by kamil, committed by ). Herald added a subscriber: llvm-commits. Changed prior to commit: https://reviews.llvm.org/D43818?vs=136804&id=136903#toc Rep

[PATCH] D43818: Better OpenBSD frontend support

devnexen updated this revision to Diff 136804. devnexen added a comment. backtrace on OpenBSD is not base library but a package. Plus not needed for the UBsan subset. https://reviews.llvm.org/D43818 Files: lib/Driver/ToolChain.cpp lib/Driver/ToolChains/CommonArgs.cpp lib/Driver/ToolChain

[PATCH] D43818: Better OpenBSD frontend support

devnexen added inline comments. Comment at: lib/Driver/ToolChains/CommonArgs.cpp:545 CmdArgs.push_back("-lpthread"); -CmdArgs.push_back("-lrt"); +if (TC.getTriple().getOS() != llvm::Triple::OpenBSD) + CmdArgs.push_back("-lrt"); krytarowski wrote

[PATCH] D43818: Better OpenBSD frontend support

krytarowski added inline comments. Comment at: lib/Driver/ToolChains/CommonArgs.cpp:545 CmdArgs.push_back("-lpthread"); -CmdArgs.push_back("-lrt"); +if (TC.getTriple().getOS() != llvm::Triple::OpenBSD) + CmdArgs.push_back("-lrt"); It's a matter

[PATCH] D43818: Better OpenBSD frontend support

devnexen added a comment. Alright then. I ll probably try to push the compiler-rt counterpart (for only ubsan) within the week, it can detects integer overflow already rightfully. Repository: rC Clang https://reviews.llvm.org/D43818 ___ cfe-comm

[PATCH] D43818: Better OpenBSD frontend support

krytarowski added a comment. TSan actually demands a lot of meta-data, similar to MSan. Repository: rC Clang https://reviews.llvm.org/D43818 ___ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cf

[PATCH] D43818: Better OpenBSD frontend support

devnexen added a comment. Also true ... on OpenBSD the number of sanitisers support list won t be enormous ... ubsan maybe tsan ... the xray instrumentation perharps ... Repository: rC Clang https://reviews.llvm.org/D43818 ___ cfe-commits mailin

[PATCH] D43818: Better OpenBSD frontend support

krytarowski added a comment. OpenBSD might also have issues with allocating lazily large memory regions for metadata, so on amd64 with 40/48-bit address space shadow is extremely large. Although it's best to investigate it. Just noting another potential showstopper. Repository: rC Clang htt

[PATCH] D43818: Better OpenBSD frontend support

devnexen added a comment. In https://reviews.llvm.org/D43818#1020577, @krytarowski wrote: > OpenBSD ships with an aggressive ASLR (or ASR) implementation with > fragmentation of user address space. As far as I can tell, it's not possible > to disable it. This means that you are restricted to UB

[PATCH] D43818: Better OpenBSD frontend support

krytarowski added a reviewer: vitalybuka. krytarowski added a comment. OpenBSD ships with an aggressive ASLR (or ASR) implementation with fragmentation of user address space. As far as I can tell, it's not possible to disable it. This means that you are restricted to UBSan. Repository: rC Cl

[PATCH] D43818: Better OpenBSD frontend support

devnexen created this revision. devnexen created this object with visibility "All Users". Herald added subscribers: cfe-commits, krytarowski. devnexen added reviewers: dlj, krytarowski. - Like other *BSD, conditioning certain flags to pass - To prepare future OpenBSD sanitisers. Repository: rC