From: Florian Mayer <fmayer@google.com>
Date: Wed, 1 Jun 2022 23:43:59 +0000 (-0700)
Subject: [libunwind] Add more information to eh_frame_hdr version error
X-Git-Tag: upstream/15.0.7~6104
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=13b8bfc51451fcfc00f3e3480abaf64b337a43d4;p=platform%2Fupstream%2Fllvm.git

[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
---

diff --git a/libunwind/src/EHHeaderParser.hpp b/libunwind/src/EHHeaderParser.hpp
index 9a38070f..ed4317c 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;
   }