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Re: How to fix solib path name?

On Wednesday 08 July 2009 15:34:38, Danny Backx wrote:
> I'm preparing a gdb patch so it works in a cross-debugging environment.
> Host I'm using is a linux pc, target is running Windows CE Embedded 6.0.
> The gdbserver part is getting complete, see other messages on this list.
> The gdb still has a quirck or two.
> (gdb) info sharedlibrary
> >From        To          Syms Read   Shared Object Library
>                         No          \network\x86\libgcc_s_sjlj-1.dll
> 0x41ee1000  0x41fb2974
> Yes         /opt/x86mingw32ce/i386-mingw32ce/lib/libstdc++-6.dll
>                         No          \Windows\coredll.dll
> (gdb) 
> I'm guessing that it should strip the \network\x86 from the library name
> before it attempts to find it in the solib-search-path.

Interesting.  Does this mean that CE6 always reports absolute path
names in dll events?  If so, you want to use "set sysroot", not
"set solib-search-path".

(gdb) help set sysroot
Set an alternate system root.
The system root is used to load absolute shared library symbol files.
For other (relative) files, you can add directories using
`set solib-search-path'.

You'll have to issue with backslashes on linux though.  I don't
remember if GDB head takes care of converting those to forward
slashes for you or not.

Here's what I see when debugging gdbserver with
itself on ARM CE 5.0 Pocket PC:

WinMainCRTStartup (hInst=0xf65999ae, hPrevInst=0x0, lpCmdLine=0x2613fed8 L"", nCmdShow=5)
    at /home/pedro/cegcc/trunk/cegcc/src/mingw/crt3.c:35
35      {
(gdb) info sharedlibrary
From        To          Syms Read   Shared Object Library
                        No          ws2.dll
                        No          coredll.dll.0409.mui
                        No          coredll.dll

That is, CE reports relative paths, at least for system dlls.  I'm yet
refresh my memory what happens against a non-system dll.

Pedro Alves

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