commit bd088560a88f602c78ffde0b68c97b20f29dc1b6
author Fangrui Song <maskray@google.com> Tue May 08 06:21:12 2018 +0000
committer Fangrui Song <maskray@google.com> Tue May 08 06:21:12 2018 +0000
tree c0ab35ad048a28906d477197d3179a15663aa831
parent 47bc8f123955635610e27e894ec092fb170748f5

[DebugInfo] Accept `S` in augmentation strings in CIE.

glibc libc.a(sigaction.o) compiled from sysdeps/unix/sysv/linux/x86_64/sigaction.c uses "zRS".

llvm-svn: 331738

llvm/lib/DebugInfo/DWARF/DWARFDebugFrame.cpp

diff --git a/llvm/lib/DebugInfo/DWARF/DWARFDebugFrame.cpp b/llvm/lib/DebugInfo/DWARF/DWARFDebugFrame.cpp
index b9dc215..6c61763 100644
--- a/llvm/lib/DebugInfo/DWARF/DWARFDebugFrame.cpp
+++ b/llvm/lib/DebugInfo/DWARF/DWARFDebugFrame.cpp
@@ -430,6 +430,9 @@
             case 'R':
               FDEPointerEncoding = Data.getU8(&Offset);
               break;
+            case 'S':
+              // Current frame is a signal trampoline.
+              break;
             case 'z':
               if (i)
                 ReportError(StartOffset,