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Re: [stack] Automatic Stack Alignment Support - DWARF2 unwinding
- From: "H.J. Lu" <hjl dot tools at gmail dot com>
- To: "Ye, Joey" <joey dot ye at intel dot com>
- Cc: gcc-patches at gcc dot gnu dot org, "Guo, Xuepeng" <xuepeng dot guo at intel dot com>
- Date: Thu, 20 Mar 2008 09:51:10 -0700
- Subject: Re: [stack] Automatic Stack Alignment Support - DWARF2 unwinding
- References: <BB577BF501703042AD7E08EADD8E514FF5DB84@pdsmsx415.ccr.corp.intel.com>
Hi Joey,
It looks good. I checked it in.
Thanks.
H.J.
On Thu, Mar 20, 2008 at 5:50 AM, Ye, Joey <joey.ye@intel.com> wrote:
> 2008-03-19 Xuepeng Guo <xuepeng.guo@intel.com>
> Joey Ye <joey.ye@intel.com>
>
> * dwarf2out.c (CUR_FDE): New.
> (reg_save_with_expression): Likewise.
> (dw_fde_struct): Add drap_regnum, stack_realignment,
> is_stack_realign, is_drap and is_drap_reg_saved.
> (add_cfi): If stack is realigned, call reg_save_with_expression
> to represent the location of stored vars.
> (dwarf2out_frame_debug_expr): Add rules 16-19 to handle stack
> realign.
> (output_cfa_loc): Handle DW_CFA_expression.
> (based_loc_descr): Update assert for stack realign.
>