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Re: PING PATCH: Update x86 stack align analyzer
- From: Mark Kettenis <mark dot kettenis at xs4all dot nl>
- To: hjl dot tools at gmail dot com
- Cc: gdb-patches at sourceware dot org
- Date: Wed, 6 Aug 2008 20:03:42 +0200 (CEST)
- Subject: Re: PING PATCH: Update x86 stack align analyzer
- References: <6dc9ffc80808061007o7f35f10etbd136be66ab91380@mail.gmail.com>
> Date: Wed, 6 Aug 2008 10:07:06 -0700
> From: "H.J. Lu" <hjl.tools@gmail.com>
>
> PING.
I'll try to look at it tonight.
> H.J.
> On Wed, Jul 30, 2008 at 2:11 PM, H.J. Lu <hongjiu.lu@intel.com> wrote:
> > Gcc 4.4 revision 138335:
> >
> > http://gcc.gnu.org/ml/gcc-cvs/2008-07/msg01048.html
> >
> > introduced new ways to align stack. This patch teaches gdb how to
> > recognize the new stack prologue. OK for trunk?
> >
> > Please CC me since I am not on the gdb-patches mailing list.
> >
> > Thanks.
> >
> >
> > H.J.
> > ----
> > 2008-07-30 Xuepeng Guo <xuepeng.guo@intel.com>
> > H.J. Lu <hongjiu.lu@intel.com>
> >
> > * amd64-tdep.c (amd64_frame_cache): Add saved_sp_reg.
> > (amd64_init_frame_cache): Initialize saved_sp_reg.
> > (amd64_analyze_stack_align): New.
> > (amd64_analyze_prologue): Call it.
> > (amd64_frame_cache): Try to use saved_sp_reg if frame is invalid.
> >
> > * amd64-tdep.h (amd64_regnum): Add AMD64_R9_REGNUM to
> > AMD64_R14_REGNUM.
> >
> > * i386-tdep.c (i386_frame_cache): Remove stack_align. Add
> > saved_sp_reg.
> > (i386_alloc_frame_cache): Remove stack_align. Initialize
> > saved_sp_reg to I386_ESP_REGNUM.
> > (i386_analyze_stack_align): Rewrite.
> > (i386_frame_cache): Use saved_sp_reg only if frame is invalid.
> >
>