diff --git a/devel/llvm80/Makefile b/devel/llvm80/Makefile index f77617166369..5e0cc04f4e72 100644 --- a/devel/llvm80/Makefile +++ b/devel/llvm80/Makefile @@ -2,7 +2,7 @@ PORTNAME= llvm DISTVERSION= 8.0.0 -PORTREVISION= 0 +PORTREVISION= 1 CATEGORIES= devel lang MASTER_SITES= http://${PRE_}releases.llvm.org/${LLVM_RELEASE}/${RCDIR} PKGNAMESUFFIX= ${LLVM_SUFFIX} diff --git a/devel/llvm80/files/lld/patch-head-r338297.diff b/devel/llvm80/files/lld/patch-head-r338297.diff new file mode 100644 index 000000000000..6b4bbbd094d5 --- /dev/null +++ b/devel/llvm80/files/lld/patch-head-r338297.diff @@ -0,0 +1,87 @@ +r338297 | dim | 2018-08-24 19:48:05 +0200 (Fri, 24 Aug 2018) | 6 lines + +Apply r338251 ("Preserve relocations against ifuncs when -zifunc-noplt +is specified") on top of lld 7.0.0. This is to prepare for another +merge from head. + +Obtained from: https://github.com/markjdb/freebsd-dev/commit/02f35faa6df364769b9223746b99e3c7ba05c5dd + +Index: tools/lld/ELF/Config.h +=================================================================== +--- tools/lld/ELF/Config.h (revision 338296) ++++ tools/lld/ELF/Config.h (revision 338297) +@@ -181,6 +181,7 @@ struct Configuration { + bool ZCopyreloc; + bool ZExecstack; + bool ZHazardplt; ++ bool ZIfuncnoplt; + bool ZInitfirst; + bool ZKeepTextSectionPrefix; + bool ZNodelete; +--- tools/lld/ELF/Driver.cpp.orig 2019-02-14 10:49:15.000000000 +0000 ++++ tools/lld/ELF/Driver.cpp 2019-04-09 17:24:01.029238000 +0100 +@@ -348,6 +348,7 @@ static bool getZFlag(opt::InputArgList & + static bool isKnownZFlag(StringRef S) { + return S == "combreloc" || S == "copyreloc" || S == "defs" || + S == "execstack" || S == "global" || S == "hazardplt" || ++ S == "ifunc-noplt" || + S == "initfirst" || S == "interpose" || + S == "keep-text-section-prefix" || S == "lazy" || S == "muldefs" || + S == "nocombreloc" || S == "nocopyreloc" || S == "nodefaultlib" || +@@ -871,6 +872,7 @@ void LinkerDriver::readConfigs(opt::Inpu + Config->ZExecstack = getZFlag(Args, "execstack", "noexecstack", false); + Config->ZGlobal = hasZOption(Args, "global"); + Config->ZHazardplt = hasZOption(Args, "hazardplt"); ++ Config->ZIfuncnoplt = hasZOption(Args, "ifunc-noplt"); + Config->ZInitfirst = hasZOption(Args, "initfirst"); + Config->ZInterpose = hasZOption(Args, "interpose"); + Config->ZKeepTextSectionPrefix = getZFlag( +--- tools/lld/ELF/Relocations.cpp.orig 2019-01-17 13:47:57.000000000 +0000 ++++ tools/lld/ELF/Relocations.cpp 2019-04-09 17:38:19.651286000 +0100 +@@ -381,6 +381,10 @@ static bool isStaticLinkTimeConstant(Rel + R_TLSLD_HINT, R_TLSIE_HINT>(E)) + return true; + ++ // The computation involves output from the ifunc resolver. ++ if (Sym.isGnuIFunc() && Config->ZIfuncnoplt) ++ return false; ++ + // These never do, except if the entire file is position dependent or if + // only the low bits are used. + if (E == R_GOT || E == R_GOT_PLT || E == R_PLT || E == R_TLSDESC) +@@ -844,6 +848,10 @@ static void processRelocAux(InputSection + Sec.Relocations.push_back({Expr, Type, Offset, Addend, &Sym}); + return; + } ++ if (Sym.isGnuIFunc() && Config->ZIfuncnoplt) { ++ In.RelaDyn->addReloc(Type, &Sec, Offset, &Sym, Addend, R_ADDEND, Type); ++ return; ++ } + bool CanWrite = (Sec.Flags & SHF_WRITE) || !Config->ZText; + if (CanWrite) { + // R_GOT refers to a position in the got, even if the symbol is preemptible. +@@ -1012,7 +1020,7 @@ static void scanReloc(InputSectionBase & + // all dynamic symbols that can be resolved within the executable will + // actually be resolved that way at runtime, because the main exectuable + // is always at the beginning of a search list. We can leverage that fact. +- if (Sym.isGnuIFunc()) { ++ if (Sym.isGnuIFunc() && !Config->ZIfuncnoplt) { + if (!Config->ZText && Config->WarnIfuncTextrel) { + warn("using ifunc symbols when text relocations are allowed may produce " + "a binary that will segfault, if the object file is linked with " +--- tools/lld/ELF/Writer.cpp.orig 2019-01-15 18:30:23.000000000 +0000 ++++ tools/lld/ELF/Writer.cpp 2019-04-09 17:45:06.700098000 +0100 +@@ -1651,9 +1651,12 @@ template void Writer: + // earlier. + finalizeSynthetic(In.EhFrame); + +- for (Symbol *S : Symtab->getSymbols()) ++ for (Symbol *S : Symtab->getSymbols()) { + if (!S->IsPreemptible) + S->IsPreemptible = computeIsPreemptible(*S); ++ if (S->isGnuIFunc() && Config->ZIfuncnoplt) ++ S->ExportDynamic = true; ++ } + + // Scan relocations. This must be done after every symbol is declared so that + // we can correctly decide if a dynamic relocation is needed.