[PATCH] Support targets that know how to continue over breakpoints[1/4] -- GDB

[Hui Zhu]

Ping http://sourceware.org/ml/gdb-patches/2013-03/msg00054.html

Thanks,
Hui

On 03/03/13 00:09, Hui Zhu wrote:
> Hello,
>
> According to the mail thread in http://sourceware-org.1504.n7.nabble.com/PATCH-Support-targets-that-know-how-to-step-over-breakpoints-td61666.html
> I update patches to change step to continue.  When thread hop needed, GDB can use continue over breakpoints let the inferior keep going.
>
> The interface that add to target is:
> to_can_continue_over_breakpoints, it will return true if target can continue over breakpoints.
> to_next_continue_over_breakpoints, call this function before call to_resume will make to_resume do continue_over_breakpoints instead of continue.
>
> This patch is the GDB part that support continue over breakpoints.  And there also have patches for doc, server and test.  I will introduce them clear inside the mails of that paches.
>
> Please help me review it.
>
> Thanks,
> Hui
>
> 2013-03-03  Luis Machado  <lgustavo@codesourcery.com>
>          Pedro Alves  <pedro@codesourcery.com>
>          Hui Zhu  <hui_zhu@mentor.com>
>
>      * infrun.c (handle_inferior_event): Check if target can continue
>      over breakpoints.
>
>      * remote.c (struct remote_state): New member
>      can_continue_over_breakpoints.
>      (remote_continue_over_breakpoints_feature): New.
>      (remote_protocol_features): Add ContinueOverBreakpoints feature.
>      (remote_open_1): Clear can_continue_over_breakpoints.
>      (remote_is_cob): New.
>      (append_resumption, remote_resume): Check remote_is_cob.
>      (remote_can_continue_over_breakpoints,
>       remote_next_continue_over_breakpoints): New.
>      (init_remote_ops): Set remote_ops.to_can_continue_over_breakpoints
>      to remote_can_continue_over_breakpoints.
>      Set to_next_continue_over_breakpoints to
>      remote_next_continue_over_breakpoints.
>
>      * target.c (update_current_target): Inherit
>      to_can_continue_over_breakpoints, and default it to return 0.
>      Inherit to_next_continue_over_breakpoints.
>
>      * target.h (struct target_ops): Add new
>      to_can_step_over_breakpoints member.
>      (target_can_step_over_breakpoints): New.
>