[Bug binutils/4479] objcopy --only-keep-debug broken

[amodra at bigpond dot net dot au]

------- Additional Comments From amodra at bigpond dot net dot au  2007-05-10 
03:16 -------
I'd say that the p_memsz values were "wrong" before my patch.  It's also
interesting to look at what older objcopy does.  eg.
2.15 objcopy --only-keep-debug does this
Program Headers:
  Type           Offset   VirtAddr   PhysAddr   FileSiz MemSiz  Flg Align
  LOAD           0x000000 0x10000000 0x10000000 0x00134 0x008fc R E 0x10000
  LOAD           0x0008fc 0x100108fc 0x100108fc 0x00000 0x00194 RWE 0x10000
vs. 2.16
Program Headers:
  Type           Offset   VirtAddr   PhysAddr   FileSiz MemSiz  Flg Align
  PHDR           0x000034 0x10000034 0x10000034 0x00100 0x00100 R E 0x4
  INTERP         0x000134 0x10000134 0x10000134 0x00000 0x0000d R   0x1
      [Requesting program interpreter: ]
  LOAD           0x000000 0x10000000 0x10000000 0x00134 0x008fc R E 0x10000
  LOAD           0x0008fc 0x100108fc 0x100108fc 0x00000 0x00194 RWE 0x10000
  DYNAMIC        0x0008fc 0x10010920 0x10010920 0x00000 0x000c8 RW  0x4
  NOTE           0x000134 0x10000144 0x10000144 0x00000 0x00020 R   0x4
  NOTE           0x000134 0x10000164 0x10000164 0x00000 0x00018 R   0x4
  GNU_STACK      0x000000 0x00000000 0x00000000 0x00000 0x00000 RW  0x4
vs. mainline
Program Headers:
  Type           Offset   VirtAddr   PhysAddr   FileSiz MemSiz  Flg Align
  PHDR           0x000034 0x10000034 0x10000034 0x00100 0x00100 R E 0x4
  INTERP         0x000134 0x10000134 0x10000134 0x00000 0x0000d R   0x1
      [Requesting program interpreter: ]
  LOAD           0x000000 0x10000000 0x10000000 0x00134 0x02c4b R E 0x10000
  LOAD           0x0008fc 0x100108fc 0x100108fc 0x00000 0x00658 RWE 0x10000
  DYNAMIC        0x0008fc 0x10010920 0x10010920 0x00000 0x000c8 RW  0x4
  NOTE           0x000134 0x10000144 0x10000144 0x00000 0x00020 R   0x4
  NOTE           0x000134 0x10000164 0x10000164 0x00000 0x00018 R   0x4
  GNU_STACK      0x000000 0x00000000 0x00000000 0x00000 0x00000 RW  0x4

I haven't looked to see yet whether the 2.15 -> 2.16 change was deliberate or 
not.

-- 


http://sourceware.org/bugzilla/show_bug.cgi?id=4479

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