[llvm-bugs] [Bug 32272] New: missing case for copy reloc or (plt to undef)

via llvm-bugs llvm-bugs at lists.llvm.org
Tue Mar 14 16:52:57 PDT 2017


            Bug ID: 32272
           Summary: missing case for copy reloc or (plt to undef)
           Product: lld
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: ELF
          Assignee: unassignedbugs at nondot.org
          Reporter: rafael.espindola at gmail.com
                CC: llvm-bugs at lists.llvm.org

Given just

.long foo

the relocation will be in the ro .text and we will create a copy relocation.
But given

.long foo

We will fail the link because R_X86_64_32 cannot refer to a shared obj symbol
(it might not fit in 32 bits).

We could create a copy relocation instead.

I found this by reading the code. It is not a priority, it would just be for

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