[Bug gas/1568] New: COFF code section should be read only

[vahur dot sinijarv at cydonia dot ee]

To create object files which are link-compatible with MS Visual C, the "x" flag 
in .section directive should also set read only flag in COFF section. Otherwise 
MS linker will complain about multiple segments with different attributes and 
in fact will not merge such section with other code sections.
I tracked down the problem to the function obj_coff_section in file config/obj-
coff.c where line
case 'x': flags |= SEC_CODE | SEC_LOAD; break;
should be changed to 
case 'x': flags |= SEC_CODE | SEC_LOAD | SEC_READONLY; break;

Read/write code sections are possible then by specifying "wx" as section 
attributes.

-- 
           Summary: COFF code section should be read only
           Product: binutils
           Version: 2.17 (HEAD)
            Status: NEW
          Severity: normal
          Priority: P2
         Component: gas
        AssignedTo: unassigned at sources dot redhat dot com
        ReportedBy: vahur dot sinijarv at cydonia dot ee
                CC: bug-binutils at gnu dot org
 GCC build triplet: i686-pc-mingw32
  GCC host triplet: i686-pc-mingw32
GCC target triplet: i686-pc-mingw32


http://sourceware.org/bugzilla/show_bug.cgi?id=1568

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