[Bug ld/12718] New: Spurious empty .plt/.rela.plt sections generated

[hjl.tools at gmail dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=12718

           Summary: Spurious empty .plt/.rela.plt sections generated
           Product: binutils
           Version: 2.22 (HEAD)
            Status: NEW
          Severity: normal
          Priority: P2
         Component: ld
        AssignedTo: address@hidden
        ReportedBy: address@hidden


From:

http://lists.gnu.org/archive/html/bug-binutils/2011-04/msg00190.html

address@hidden tmp]$ cat x.s
.globl foo
foo:    ret
.globl _start
_start: call foo
address@hidden tmp]$ gcc -c x.s
address@hidden tmp]$ ld x.o
address@hidden tmp]$ readelf -lS a.out 
There are 8 section headers, starting at offset 0xf0:

Section Headers:
  [Nr] Name              Type             Address           Offset
       Size              EntSize          Flags  Link  Info  Align
  [ 0]                   NULL             0000000000000000  00000000
       0000000000000000  0000000000000000           0     0     0
  [ 1] .rela.plt         RELA             00000000004000b0  000000b0
       0000000000000000  0000000000000018   A       0     2     8
  [ 2] .plt              PROGBITS         00000000004000b0  000000b0
       0000000000000000  0000000000000000  AX       0     0     4
  [ 3] .text             PROGBITS         00000000004000b0  000000b0
       0000000000000006  0000000000000000  AX       0     0     4
  [ 4] .got.plt          PROGBITS         00000000006000b8  000000b8
       0000000000000000  0000000000000000  WA       0     0     8
  [ 5] .shstrtab         STRTAB           0000000000000000  000000b8
       0000000000000034  0000000000000000           0     0     1
  [ 6] .symtab           SYMTAB           0000000000000000  000002f0
       00000000000000f0  0000000000000018           7     5     8
  [ 7] .strtab           STRTAB           0000000000000000  000003e0
       0000000000000024  0000000000000000           0     0     1
Key to Flags:
  W (write), A (alloc), X (execute), M (merge), S (strings), l (large)
  I (info), L (link order), G (group), T (TLS), E (exclude), x (unknown)
  O (extra OS processing required) o (OS specific), p (processor specific)

Elf file type is EXEC (Executable file)
Entry point 0x4000b1
There are 2 program headers, starting at offset 64

Program Headers:
  Type           Offset             VirtAddr           PhysAddr
                 FileSiz            MemSiz              Flags  Align
  LOAD           0x0000000000000000 0x0000000000400000 0x0000000000400000
                 0x00000000000000b6 0x00000000000000b6  R E    200000
  LOAD           0x00000000000000b8 0x00000000006000b8 0x00000000006000b8
                 0x0000000000000000 0x0000000000000000  RW     200000

 Section to Segment mapping:
  Segment Sections...
   00     .rela.plt .plt .text 
   01     .got.plt 
address@hidden tmp]$

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