https://sourceware.org/bugzilla/show_bug.cgi?id=26595
--- Comment #3 from Ben Woodard <woodard at redhat dot com> ---
Nick I may be doing something wrong but I'm not able to reproduce fche's
success. It appears like it is following those links which is good but it
doesn't appear to be successfully using them:
Latest trunk with your patch:
$ ~/bin/objdump --dwarf=loc,follow-links /lib64/libboost_system.so.1.69.0
/lib64/libboost_system.so.1.69.0: Found separate debug info file:
/usr/lib/debug//usr/lib64//libboost_system.so.1.69.0-1.69.0-18.fc32.x86_64.debug
/usr/lib/debug//usr/lib64//libboost_system.so.1.69.0-1.69.0-18.fc32.x86_64.debug:
Found separate debug info file:
/usr/lib/debug/usr/lib64/../../.dwz/boost-1.69.0-18.fc32.x86_64
/usr/lib/debug/usr/lib64/../../.dwz/boost-1.69.0-18.fc32.x86_64: file
format elf64-x86-64
/usr/lib/debug//usr/lib64//libboost_system.so.1.69.0-1.69.0-18.fc32.x86_64.debug:
file format elf64-x86-64
/lib64/libboost_system.so.1.69.0: file format elf64-x86-64
vs standard fedora32 version of objdump:
$ objdump --dwarf=loc --dwarf=follow-links /lib64/libboost_system.so.1.69.0
/lib64/libboost_system.so.1.69.0: Found separate debug info file:
/usr/lib/debug//usr/lib64//libboost_system.so.1.69.0-1.69.0-18.fc32.x86_64.debug
/usr/lib/debug//usr/lib64//libboost_system.so.1.69.0-1.69.0-18.fc32.x86_64.debug:
file format elf64-x86-64
/lib64/libboost_system.so.1.69.0: file format elf64-x86-64
To make it clearer:
$ objdump --dwarf=loc --dwarf=follow-links /lib64/libboost_system.so.1.69.0 >
foo
$ ~/bin/objdump --dwarf=loc --dwarf=follow-links
/lib64/libboost_system.so.1.69.0 > bar
$ diff -u foo bar
--- foo 2020-09-10 14:37:18.942145470 -0700
+++ bar 2020-09-10 14:37:28.742465694 -0700
@@ -1,5 +1,10 @@
/lib64/libboost_system.so.1.69.0: Found separate debug info file:
/usr/lib/debug//usr/lib64//libboost_system.so.1.69.0-1.69.0-18.fc32.x86_64.debug
+/usr/lib/debug//usr/lib64//libboost_system.so.1.69.0-1.69.0-18.fc32.x86_64.debug:
Found separate debug info file:
/usr/lib/debug/usr/lib64/../../.dwz/boost-1.69.0-18.fc32.x86_64
+
+
+/usr/lib/debug/usr/lib64/../../.dwz/boost-1.69.0-18.fc32.x86_64: file
format elf64-x86-64
+
/usr/lib/debug//usr/lib64//libboost_system.so.1.69.0-1.69.0-18.fc32.x86_64.debug:
file format elf64-x86-64
It gets the DWZ file now but I still don't get the location lists that I'm
looking for.
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