Broken .loc directive in GAS

Michal Ludvig mludvig@suse.cz
Fri Jul 11 15:16:00 GMT 2003


Alan Modra told me that:
> I don't see any problem with current gcc-3.3 and mainline, and an older
> gcc-3.3.  Current mainline gives:

Hmm, strange. I can see the same (broken) output on RedHat 9 with 
gcc-3.2.2 and binutils 2.13.90.0.18 20030206 as well. I'll look on it 
more on monday.

This comes from RedHat 9:

  The File Name Table:
   Entry Dir     Time    Size    Name
   1     1       0       0       temp.cc

  Line Number Statements:
   Extended opcode 2: set Address to 0x80483a6
   Special opcode 13: advance Address by 0 to 0x80483a6 and Line by 8 to 9
   Special opcode 47: advance Address by 3 to 0x80483a9 and Line by 0 to 9
   Advance PC by 3 to 80483ac
   Extended opcode 1: End of Sequence

   Extended opcode 2: set Address to 0x80483a0
   Special opcode 13: advance Address by 0 to 0x80483a0 and Line by 8 to 9
   Special opcode 47: advance Address by 3 to 0x80483a3 and Line by 0 to 9
   Advance PC by 3 to 80483a6
   Extended opcode 1: End of Sequence

   Extended opcode 2: set Address to 0x8048344
   Advance Line by 16 to 17
   [...]
   Special opcode 89: advance Address by 6 to 0x804838c and Line by 0 to 13
   Advance PC by 22 to 80483a2
   Extended opcode 1: End of Sequence

Again - last sequence overlaps the beginning of the second one... Could 
anyone with RedHat 9 confirm this please? Or is it only an annomaly of 
this office?

Michal Ludvig
-- 
* SuSE CR, s.r.o     * mludvig@suse.cz
* (+420) 296.545.373 * http://www.suse.cz



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