[libunwind] 13b8bfc - [libunwind] Add more information to eh_frame_hdr version error

[Florian Mayer via cfe-commits]

Author: Florian Mayer
Date: 2022-06-01T19:48:19-07:00
New Revision: 13b8bfc51451fcfc00f3e3480abaf64b337a43d4

URL: https://github.com/llvm/llvm-project/commit/13b8bfc51451fcfc00f3e3480abaf64b337a43d4
DIFF: https://github.com/llvm/llvm-project/commit/13b8bfc51451fcfc00f3e3480abaf64b337a43d4.diff

LOG: [libunwind] Add more information to eh_frame_hdr version error

This makes it easier to find the offending ELF file.

Reviewed By: #libunwind, MaskRay

Differential Revision: https://reviews.llvm.org/D126841

Added: 
    

Modified: 
    libunwind/src/EHHeaderParser.hpp

Removed: 
    


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diff  --git a/libunwind/src/EHHeaderParser.hpp b/libunwind/src/EHHeaderParser.hpp
index 9a38070faba9b..ed4317c89055c 100644
--- a/libunwind/src/EHHeaderParser.hpp
+++ b/libunwind/src/EHHeaderParser.hpp
@@ -57,7 +57,8 @@ bool EHHeaderParser<A>::decodeEHHdr(A &addressSpace, pint_t ehHdrStart,
   pint_t p = ehHdrStart;
   uint8_t version = addressSpace.get8(p++);
   if (version != 1) {
-    _LIBUNWIND_LOG0("Unsupported .eh_frame_hdr version");
+    _LIBUNWIND_LOG("unsupported .eh_frame_hdr version: %" PRIu8 " at %" PRIx64,
+                   version, static_cast<uint64_t>(ehHdrStart));
     return false;
   }