Re: [Libunwind-devel] [PATCH 0/5] ARM: Initial support for remote unwinding using libunwind-ptrace

[Ken Werner]

On 08/03/2011 02:12 PM, Ken Werner wrote:
> Hi,
>
> This patch set add initial support for uwinding remote processes on ARM using
> libunwind-ptrace. The first three patches rework the ARM code for local
> unwinding to prepare the libunwind ARM backend for remote unwinding.
> The fourth patch changes libunwind-ptrace to also look for .debug_frame info
> in case no matching information was found in the .eh_frame. This could happen
> if the GCC generates .eh_frame info for some functions only (e.g. only the C
> code that interacts with C++ code that is likely to throw exceptions). The new
> behavior matches to what the local unwind code does.
> The fifth patch adds the last piece to enable remote unwinding by changing
> _UPTi_find_unwind_table to also look for the ARM specific unwind information.
> In addition the code that reads the ARM specific unwind information from memory
> is changed to make use of the accessor routines.
>
> Ken Werner (5):
>    Move arm_exidx_entry and arm_exidx_table structs from ex_tables.h
>      into libunwind-arm.h.
>    Change address type from void* to unw_word_t.
>    Rework the lookup of the  ARM specific unwind entry for local
>      unwinding
>    Change libunwind-ptrace to also look for .debug_frame if nothing
>      found in .eh_frame.
>    ARM: Initial support for remote unwinding using libunwind-ptrace
>
>   include/libunwind-arm.h          |    5 +
>   include/libunwind-dynamic.h      |    3 +-
>   include/tdep-arm/ex_tables.h     |   25 +---
>   include/tdep-arm/libunwind_i.h   |    6 +-
>   src/arm/Gex_tables.c             |  244 ++++++++++++++--------------
>   src/arm/Ginit_local.c            |    3 -
>   src/arm/Gstep.c                  |   12 +-
>   src/dwarf/Gfind_proc_info-lsb.c  |   41 ++++-
>   src/dwarf/Gparser.c              |    5 +
>   src/ptrace/_UPT_create.c         |    5 +
>   src/ptrace/_UPT_find_proc_info.c |  341 ++++++++++++++++++++++----------------
>   src/ptrace/_UPT_internal.h       |   16 +-
>   12 files changed, 396 insertions(+), 310 deletions(-)
>
> Regards
> Ken

As usual the changes can be pulled from:
git://git.linaro.org/people/kwerner/libunwind.git

Thanks,
Ken