[LLVMbugs] [Bug 7987] New: ELFObjectWriter emits wrong relocation type for PLT symbols

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=7987

           Summary: ELFObjectWriter emits wrong relocation type for PLT
                    symbols
           Product: new-bugs
           Version: trunk
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: xuzhongxing at gmail.com
                CC: llvmbugs at cs.uiuc.edu


#include <stdio.h>

int main() {
  int a;
  printf("%p\n", &a);
  return 0;
}

On x86-64 Linux, the integrated assembler currently emits R_X86_64_PC32 type
relocation entry for printf at PLT with pic relocation model. It should emit
R_X86_64_PLT32 type relocation entry for it.

$clang -cc1 -emit-obj a.c

can reproduce the bug.

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