[Bug ld/23238] New: Missing ELFOSABI_GNU with IFUNC

[hjl.tools at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=23238

            Bug ID: 23238
           Summary: Missing ELFOSABI_GNU with IFUNC
           Product: binutils
           Version: 2.31 (HEAD)
            Status: NEW
          Severity: normal
          Priority: P2
         Component: ld
          Assignee: unassigned at sourceware dot org
          Reporter: hjl.tools at gmail dot com
  Target Milestone: ---
            Target: x86_64-*-*, i?86-*-*

address@hidden ld]$ cat x.s
        .text
        .type   do_it_ifunc, @function
do_it_ifunc:
        ret
        .size   do_it_ifunc, .-do_it_ifunc
        .type   resolve_do_it, @function
resolve_do_it:
        leaq    do_it_ifunc(%rip), %rax
        ret
        .size   resolve_do_it, .-resolve_do_it
        .globl  do_it
        .type   do_it, @gnu_indirect_function
        .set    do_it,resolve_do_it
address@hidden ld]$ gcc -c x.s
address@hidden ld]$ ld -shared x.o
address@hidden ld]$ readelf -h a.out 
ELF Header:
  Magic:   7f 45 4c 46 02 01 01 00 00 00 00 00 00 00 00 00 
  Class:                             ELF64
  Data:                              2's complement, little endian
  Version:                           1 (current)
  OS/ABI:                            UNIX - System V
                                     ^^^^^^^^^^^^  This should be GNU.
  ABI Version:                       0
  Type:                              DYN (Shared object file)
  Machine:                           Advanced Micro Devices X86-64
  Version:                           0x1
  Entry point address:               0x1000
  Start of program headers:          64 (bytes into file)
  Start of section headers:          12840 (bytes into file)
  Flags:                             0x0
  Size of this header:               64 (bytes)
  Size of program headers:           56 (bytes)
  Number of program headers:         6
  Size of section headers:           64 (bytes)
  Number of section headers:         11
  Section header string table index: 10
address@hidden ld]$

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