Re: [patch] Add support for single register window model on SPARC

[Joel Brobecker <brobecker at adacore dot com>]

> Joel, I have commit rights to src but I'm not listed in MAINTAINERS so
> would you mind applying the revised patch (gdb-mflat-2.diff) attached
> to my previous message in the thread?  TIA.

Sure! Now done.  And I've also taken the liberty to add you to
the MAINTAINERS file, so you don't have to wait on me (although
I'll be happy to commit for you if more convenient).

> 2011-06-27  Eric Botcazou  <ebotcazou@adacore.com>
> 
>         * sparc-tdep.h (struct sparc_frame_cache): Add frame_offset,
>         saved_regs_mask and copied_regs_mask fields.
>         (sparc_record_save_insn): New prototype.
>         * sparc-tdep.c (sparc_alloc_frame_cache): Initialize the new fields.
>         (sparc_record_save_insn): New function.
>         (sparc_analyze_prologue): Add head comment.  Recognize store insns
>         of call-saved registers.  Use OFFSET consistently.  Recognize flat
>         frames and cache their settings.
>         (sparc32_skip_prologue): Handle flat frames.
>         (sparc_frame_cache): Add frame_offset to the base address.
>         (sparc32_frame_cache): Adjust to new frame description.
>         (sparc32_frame_prev_register): Likewise.
>         * sparc64-tdep.c (sparc64_frame_prev_register): Likewise.
>         * sparc-sol2-tdep.c (sparc32_sol2_sigtramp_frame_cache): Likewise.
>         * sparc64-sol2-tdep.c (sparc64_sol2_sigtramp_frame_cache): Likewise.
>         * sparcnbsd-tdep.c (sparc32nbsd_sigcontext_frame_cache): Force the
>         frame by calling sparc_record_save_insn.
>         * sparc64nbsd-tdep.c (sparc64nbsd_sigcontext_frame_cache): Likewise.
>         * sparcobsd-tdep.c (sparc32obsd_sigtramp_frame_cache): Likewise.
>         * sparc64obsd-tdep.c (sparc64obsd_frame_cache): Likewise.

-- 
Joel