[llvm-bugs] [Bug 32938] New: x86: Redundant dynamic relocation against function

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=32938

            Bug ID: 32938
           Summary: x86: Redundant dynamic relocation against function
           Product: lld
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: ELF
          Assignee: unassignedbugs at nondot.org
          Reporter: hjl.tools at gmail.com
                CC: llvm-bugs at lists.llvm.org

[hjl at gnu-6 lld-2]$ cat x.c
extern void foo (void);

void *
foo_p ()
{
  foo ();
  return foo;
}
[hjl at gnu-6 lld-2]$ make
./clang -fpic   -c -o x.o x.c
./ld.lld  --shared -o x.so x.o
[hjl at gnu-6 lld-2]$ readelf -r x.so

Relocation section '.rela.dyn' at offset 0x240 contains 1 entries:
  Offset          Info           Type           Sym. Value    Sym. Name +
Addend
0000000030d0  000100000006 R_X86_64_GLOB_DAT 0000000000000000 foo + 0

Relocation section '.rela.plt' at offset 0x258 contains 1 entries:
  Offset          Info           Type           Sym. Value    Sym. Name +
Addend
000000002018  000100000007 R_X86_64_JUMP_SLO 0000000000000000 foo + 0
[hjl at gnu-6 lld-2]$ ld  --shared -o x.so x.o
[hjl at gnu-6 lld-2]$ readelf -r x.so

Relocation section '.rela.dyn' at offset 0x240 contains 1 entries:
  Offset          Info           Type           Sym. Value    Sym. Name +
Addend
000000200ff8  000300000006 R_X86_64_GLOB_DAT 0000000000000000 foo + 0
[hjl at gnu-6 lld-2]$

-- 
You are receiving this mail because:
You are on the CC list for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-bugs/attachments/20170505/1f02e0ff/attachment.html>