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Re: PATCH: Preserve the original p_align and p_flags if they are valid
On Mon, May 07, 2012 at 09:48:58AM -0700, Ben Cheng wrote:
> The full context is we run stripped binaries on the target and use
> gdbserver to talk to gdb on the host which can access the non-stripped
> binaries. However, gdb appears to verify the program headers in memory
> against the binary on disk first and will reject the symbols because
> of the difference from the PT_GNU_RELRO section:
OK, so the real problem is separate debug info. The patch is OK with
the comment change I suggested.
> On Mon, May 7, 2012 at 6:03 AM, Alan Modra <firstname.lastname@example.org> wrote:
> > On Fri, May 04, 2012 at 01:59:47PM -0700, Ben Cheng wrote:
> >> + ? ? ? ? ?/* Preserve the alignment and flags if they are valid. The gold
> >> + ? ? ? ? ? ? linker generates RW/4 for the PT_GNU_RELRO section. It is better
> >> + ? ? ? ? ? ? for objcopy/strip to honor these attributes otherwise gdb will
> >> + ? ? ? ? ? ? choke when doing cross-debugging. */
> > I don't see what this has to do with cross-debugging. ?Did you mean to
> > say "... when using separate debug files."?
Australia Development Lab, IBM