, 2008 10:00 PM
To: H.J. Lu
Cc: Ye, Joey; gcc@gcc.gnu.org; Guo, Xuepeng
Subject: Re: CFA expression failure
On Tue, Jun 24, 2008 at 08:40:18PM -0700, H.J. Lu wrote:
> I think the problem is in uw_update_context_1. REG_SAVED_EXP
> and REG_SAVED_VAL_EXP may use other registers as shown
On Tue, Jun 24, 2008 at 08:40:18PM -0700, H.J. Lu wrote:
> I think the problem is in uw_update_context_1. REG_SAVED_EXP
> and REG_SAVED_VAL_EXP may use other registers as shown above:
>
>DW_CFA_expression: r6 (esi) (DW_OP_breg5: -8)
>
> They should be handle last. I am testing this patch. D
On Wed, Jun 25, 2008 at 10:02:40AM +0800, Ye, Joey wrote:
> Daniel,
>
> We generate following DWARF2 instructions for stack alignment prologue.
> Basically we use expression to calculate CFA. But it run into some
> segfault in libmudflap and libjava. Do you have any hints what's wrong?
The only t
On Tue, Jun 24, 2008 at 08:40:18PM -0700, H.J. Lu wrote:
> On Wed, Jun 25, 2008 at 10:02:40AM +0800, Joey Ye wrote:
> > Daniel,
> >
> > We generate following DWARF2 instructions for stack alignment prologue.
> > Basically we use expression to calculate CFA. But it run into some
> > segfault in lib
On Wed, Jun 25, 2008 at 10:02:40AM +0800, Joey Ye wrote:
> Daniel,
>
> We generate following DWARF2 instructions for stack alignment prologue.
> Basically we use expression to calculate CFA. But it run into some
> segfault in libmudflap and libjava. Do you have any hints what's wrong?
>
> DW_CF
Daniel,
We generate following DWARF2 instructions for stack alignment prologue.
Basically we use expression to calculate CFA. But it run into some
segfault in libmudflap and libjava. Do you have any hints what's wrong?
DW_CFA_def_cfa: r4 (esp) ofs 4
DW_CFA_offset: r8 (eip) at cfa-4
DW_CFA_n
