ro created this revision. ro added reviewers: vitalybuka, MaskRay. ro added a project: clang. Herald added a subscriber: fedor.sergeev. Herald added a project: All. ro requested review of this revision.
As detailed in Issue #64126, several asan tests `FAIL` due to a cycle in `AsanInitInternal`. This can by avoided by disabling lazy binding with `ld -z now`. Tested on `amd64-pc-solaris2.11.` Repository: rG LLVM Github Monorepo https://reviews.llvm.org/D156325 Files: clang/lib/Driver/ToolChains/Solaris.cpp Index: clang/lib/Driver/ToolChains/Solaris.cpp =================================================================== --- clang/lib/Driver/ToolChains/Solaris.cpp +++ clang/lib/Driver/ToolChains/Solaris.cpp @@ -151,18 +151,22 @@ CmdArgs.push_back("-lgcc"); CmdArgs.push_back("-lm"); } + const SanitizerArgs &SA = getToolChain().getSanitizerArgs(Args); if (NeedsSanitizerDeps) { linkSanitizerRuntimeDeps(getToolChain(), CmdArgs); // Work around Solaris/amd64 ld bug when calling __tls_get_addr directly. // However, ld -z relax=transtls is available since Solaris 11.2, but not // in Illumos. - const SanitizerArgs &SA = getToolChain().getSanitizerArgs(Args); if (getToolChain().getTriple().getArch() == llvm::Triple::x86_64 && (SA.needsAsanRt() || SA.needsStatsRt() || (SA.needsUbsanRt() && !SA.requiresMinimalRuntime()))) CmdArgs.push_back("-zrelax=transtls"); } + // Avoid AsanInitInternal cycle, Issue #64126. + if (getToolChain().getTriple().isX86() && SA.needsSharedRt() && + SA.needsAsanRt()) + CmdArgs.push_back("-znow"); } if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles,
Index: clang/lib/Driver/ToolChains/Solaris.cpp =================================================================== --- clang/lib/Driver/ToolChains/Solaris.cpp +++ clang/lib/Driver/ToolChains/Solaris.cpp @@ -151,18 +151,22 @@ CmdArgs.push_back("-lgcc"); CmdArgs.push_back("-lm"); } + const SanitizerArgs &SA = getToolChain().getSanitizerArgs(Args); if (NeedsSanitizerDeps) { linkSanitizerRuntimeDeps(getToolChain(), CmdArgs); // Work around Solaris/amd64 ld bug when calling __tls_get_addr directly. // However, ld -z relax=transtls is available since Solaris 11.2, but not // in Illumos. - const SanitizerArgs &SA = getToolChain().getSanitizerArgs(Args); if (getToolChain().getTriple().getArch() == llvm::Triple::x86_64 && (SA.needsAsanRt() || SA.needsStatsRt() || (SA.needsUbsanRt() && !SA.requiresMinimalRuntime()))) CmdArgs.push_back("-zrelax=transtls"); } + // Avoid AsanInitInternal cycle, Issue #64126. + if (getToolChain().getTriple().isX86() && SA.needsSharedRt() && + SA.needsAsanRt()) + CmdArgs.push_back("-znow"); } if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles,
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