[ping]: [PATCH 0/3] Skip thumb call-indirect trampoline

[Yao Qi <yao at codesourcery dot com>]

On 06/09/2014 10:13 AM, Yao Qi wrote:
> We find the following test failures on arm targets with compilation
> flags '-mthumb -march=armv4t':
> 
> FAIL: gdb.base/funcargs.exp: backtrace through call with trampolines
> FAIL: gdb.base/funcargs.exp: stepping back to main from function called with trampolines
> FAIL: gdb.base/funcargs.exp: stepping into function called with trampolines
> FAIL: gdb.base/funcargs.exp: stepping into indirectly called function
> 
> These fails are caused by a gdb unrecognized trampoline added by gcc
> in this patch (written by Richard Earnshaw),
> 
>   [PATCH] ARM: Handle Thumb call-indirect in an EABI-compliant manner
>   https://gcc.gnu.org/ml/gcc-patches/2005-01/msg00813.html
> 
> This patch series is about teaching GDB to detect this new trampoline
> sequence.  Note that Richard Earnshaw pointed out in the mail that
> his patch causes two GDB regressions, but I am unsure they are the
> ones I am fixing today.
> 
> Patches are regression tested on both arm-none-eabi and
> arm-none-linux-gnu-eabi with various multi-libs.  Fails above are
> fixed and no regressions.

Ping.

-- 
Yao (éå)