Re: syms_from_objfile() warnings and win32-nat.c IO redirection (Was: suppress annoying warnings about cygwin1.dbg)

[Christopher Faylor <cgf-use-the-mailinglist-please@sourceware.org>]

On Mon, Oct 29, 2007 at 10:53:20PM +0000, Pedro Alves wrote:
> I'm a bit puzzled, since I've just found out that:
>
> strip --strip-debug ${dest} -o ${stripped_file}
> strip --only-keep-debug main.exe -o ${debug_file}
> objcopy --add-gnu-debuglink=${debug_file} ${stripped_file} ${dest}
>
> ... currently plays nicelly in PE/coff + stabs+.  The
> CONTENTS | ALLOC sections simply get
> the CONTENTS dropped, thus it seems that gdb
> doesn't need any fixing after all.
>
>> objdump.exe -h main.exe
>
> main.exe:     file format pei-i386
>
> Sections:
> Idx Name          Size      VMA       LMA       File off  Algn
>   0 .text         000003a0  00401000  00401000  00000400  2**4
>                   CONTENTS, ALLOC, LOAD, READONLY, CODE
>   1 .data         00100000  00402000  00402000  00000800  2**4
>                   CONTENTS, ALLOC, LOAD, DATA
>   2 .bss          00000040  00502000  00502000  00000000  2**4
>                   ALLOC
>   3 .idata        00000170  00503000  00503000  00100800  2**2
>                   CONTENTS, ALLOC, LOAD, DATA
>   4 .gnu_debuglink 00000014  00504000  00504000  00100a00  2**2
>                   CONTENTS, READONLY, DEBUGGING
>
>> objdump.exe -h main.exe.dbg
>
> main.exe.dbg:     file format pei-i386
>
> Sections:
> Idx Name          Size      VMA       LMA       File off  Algn
>   0 .text         000003a0  00401000  00401000  00000000  2**4
>                   ALLOC, LOAD, READONLY, CODE
>   1 .data         00100000  00402000  00402000  00000000  2**4
>                   ALLOC, LOAD, DATA
>   2 .bss          00000040  00502000  00502000  00000000  2**4
>                   ALLOC
>   3 .idata        00000170  00503000  00503000  00000000  2**2
>                   ALLOC, LOAD, DATA
>   4 .stab         0000c630  00504000  00504000  00000268  2**2
>                   CONTENTS, READONLY, DEBUGGING, EXCLUDE
>   5 .stabstr      0004e99f  00511000  00511000  0000ca68  2**0
>                   CONTENTS, READONLY, DEBUGGING, EXCLUDE
>
>
> Chris, Brian, would it be possible to instead fix the
> cygwin1.dbg generation to do something similar to
> the above recipe?

No need to ask anyone.  Just make the changes you're proposing and see
if they work.

cgf