[Bug ld/3290] "ld -s" leaves absolute symbol in DSO

[hjl at lucon dot org]

------- Additional Comments From hjl at lucon dot org  2006-09-29 23:33 -------
strip is even worse. When .debug_info section is removed, we leave

    5: 000000000000008d     0 NOTYPE  GLOBAL DEFAULT   12 DW.z.h.f1c9b137.0

section index is wrong.

address@hidden dwarf-7]$ make STRIP=strip libb.so
gcc -g -feliminate-dwarf2-dups -fPIC   -c -o c.o c.c
./ld -shared -o libb-g.so c.o
strip -g libb-g.so -o libb.so
address@hidden dwarf-7]$ readelf -sS libb.so
There are 13 section headers, starting at offset 0x420:

Section Headers:
  [Nr] Name              Type             Address           Offset
       Size              EntSize          Flags  Link  Info  Align
  [ 0]                   NULL             0000000000000000  00000000
       0000000000000000  0000000000000000           0     0     0
  [ 1] .hash             HASH             0000000000000120  00000120
       000000000000003c  0000000000000004   A       2     0     8
  [ 2] .dynsym           DYNSYM           0000000000000160  00000160
       00000000000000f0  0000000000000018   A       3     4     8
  [ 3] .dynstr           STRTAB           0000000000000250  00000250
       0000000000000038  0000000000000000   A       0     0     1
  [ 4] .text             PROGBITS         0000000000000288  00000288
       0000000000000006  0000000000000000  AX       0     0     4
  [ 5] .eh_frame         PROGBITS         0000000000000290  00000290
       0000000000000038  0000000000000000   A       0     0     8
  [ 6] .dynamic          DYNAMIC          00000000002002c8  000002c8
       00000000000000b0  0000000000000010  WA       3     0     8
  [ 7] .got.plt          PROGBITS         0000000000200378  00000378
       0000000000000018  0000000000000008  WA       0     0     8
  [ 8] .bss              NOBITS           0000000000200390  00000390
       0000000000000008  0000000000000000  WA       0     0     4
  [ 9] .comment          PROGBITS         0000000000000000  00000390
       000000000000002d  0000000000000000           0     0     1
  [10] .shstrtab         STRTAB           0000000000000000  000003bd
       0000000000000061  0000000000000000           0     0     1
  [11] .symtab           SYMTAB           0000000000000000  00000760
       0000000000000198  0000000000000018          12    12     8
  [12] .strtab           STRTAB           0000000000000000  000008f8
       0000000000000045  0000000000000000           0     0     1
Key to Flags:
  W (write), A (alloc), X (execute), M (merge), S (strings)
  I (info), L (link order), G (group), x (unknown)
  O (extra OS processing required) o (OS specific), p (processor specific)

Symbol table '.dynsym' contains 10 entries:
   Num:    Value          Size Type    Bind   Vis      Ndx Name
     0: 0000000000000000     0 NOTYPE  LOCAL  DEFAULT  UND
     1: 0000000000000288     0 SECTION LOCAL  DEFAULT    4
     2: 0000000000000290     0 SECTION LOCAL  DEFAULT    5
     3: 0000000000200390     0 SECTION LOCAL  DEFAULT    8
     4: 0000000000000288     6 FUNC    GLOBAL DEFAULT    4 doprintf
     5: 000000000000008d     0 NOTYPE  GLOBAL DEFAULT   12 DW.z.h.f1c9b137.0
     6: 0000000000200390     0 NOTYPE  GLOBAL DEFAULT  ABS __bss_start
     7: 0000000000200390     4 OBJECT  GLOBAL DEFAULT    8 foo
     8: 0000000000200390     0 NOTYPE  GLOBAL DEFAULT  ABS _edata
     9: 0000000000200398     0 NOTYPE  GLOBAL DEFAULT  ABS _end

Symbol table '.symtab' contains 17 entries:
   Num:    Value          Size Type    Bind   Vis      Ndx Name
     0: 0000000000000000     0 NOTYPE  LOCAL  DEFAULT  UND
     1: 00000000002002c8     0 OBJECT  LOCAL  HIDDEN  ABS _DYNAMIC
     2: 0000000000200378     0 OBJECT  LOCAL  HIDDEN  ABS _GLOBAL_OFFSET_TABLE_
     3: 0000000000000120     0 SECTION LOCAL  DEFAULT    1
     4: 0000000000000160     0 SECTION LOCAL  DEFAULT    2
     5: 0000000000000250     0 SECTION LOCAL  DEFAULT    3
     6: 0000000000000288     0 SECTION LOCAL  DEFAULT    4
     7: 0000000000000290     0 SECTION LOCAL  DEFAULT    5
     8: 00000000002002c8     0 SECTION LOCAL  DEFAULT    6
     9: 0000000000200378     0 SECTION LOCAL  DEFAULT    7
    10: 0000000000200390     0 SECTION LOCAL  DEFAULT    8
    11: 0000000000000000     0 SECTION LOCAL  DEFAULT    9
    12: 0000000000000288     6 FUNC    GLOBAL DEFAULT    4 doprintf
    13: 0000000000200390     0 NOTYPE  GLOBAL DEFAULT  ABS __bss_start
    14: 0000000000200390     4 OBJECT  GLOBAL DEFAULT    8 foo
    15: 0000000000200390     0 NOTYPE  GLOBAL DEFAULT  ABS _edata
    16: 0000000000200398     0 NOTYPE  GLOBAL DEFAULT  ABS _end
address@hidden dwarf-7]$



-- 


http://sourceware.org/bugzilla/show_bug.cgi?id=3290

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