user/llvm8: bump to 8.0.0

1 files changed, 28 insertions, 0 deletions

diff --git a/user/llvm8/more-secure-plt.patch b/user/llvm8/more-secure-plt.patch
new file mode 100644
index 000000000..6728e2765
--- /dev/null
+++ b/user/llvm8/more-secure-plt.patch
@@ -0,0 +1,28 @@
+--- a/lib/Target/PowerPC/PPCSubtarget.cpp
++++ b/lib/Target/PowerPC/PPCSubtarget.cpp
+@@ -138,6 +138,10 @@
+   if (isDarwin())
+     HasLazyResolverStubs = true;
+
++  // Set up musl-specific properties.
++  if (TargetTriple.getEnvironment() == Triple::Musl)
++    SecurePlt = true;
++
+   if (HasSPE && IsPPC64)
+     report_fatal_error( "SPE is only supported for 32-bit targets.\n", false);
+   if (HasSPE && (HasAltivec || HasQPX || HasVSX || HasFPU))
+diff --git a/lib/Target/PowerPC/PPCTargetMachine.cpp b/lib/Target/PowerPC/PPCTargetMachine.cpp
+index c583fba8cab..6a9eedf89c5 100644
+--- a/lib/Target/PowerPC/PPCTargetMachine.cpp
++++ b/lib/Target/PowerPC/PPCTargetMachine.cpp
+@@ -222,6 +222,10 @@ static Reloc::Model getEffectiveRelocModel(const Triple &TT,
+   if (TT.getArch() == Triple::ppc64)
+     return Reloc::PIC_;
+ 
++  // musl needs SecurePlt, which depends on PIC.
++  if (TT.getEnvironment() == Triple::Musl)
++    return Reloc::PIC_;
++
+   // Rest are static by default.
+   return Reloc::Static;
+ }