commit ce844948ab89906c5287562a6fc293373ee0147e
author Florian Mayer <fmayer@google.com> Wed Jun 01 16:43:59 2022 -0700
committer Copybara-Service <copybara-worker@google.com> Wed Jun 01 19:51:04 2022 -0700
tree 6a6989460762a7848f49f04624655a65148e1da7
parent 94b8756f4e33853066b3aceed4fab7b98160bc92

[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

GitOrigin-RevId: 13b8bfc51451fcfc00f3e3480abaf64b337a43d4

src/EHHeaderParser.hpp

diff --git a/src/EHHeaderParser.hpp b/src/EHHeaderParser.hpp
index 9a38070..ed4317c 100644
--- a/src/EHHeaderParser.hpp
+++ b/src/EHHeaderParser.hpp
@@ -57,7 +57,8 @@
   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;
   }