On Sat, Nov 13, 2021 at 08:32:41PM +, Iain Sandoe wrote:
> IMO both this series
> - which restores the ability to work with PIE exes but requires a known
> address for the PCH
> and the series I posted
> - which allows a configuration to opt out of PCH anyway
>
> could be useful - for
Hi Folks,
IMO both this series
- which restores the ability to work with PIE exes but requires a known
address for the PCH
and the series I posted
- which allows a configuration to opt out of PCH anyway
could be useful - for Darwin I prefer this series.
of course, it would be very nice to
Hi Folks,
> On 10 Nov 2021, at 08:14, Iain Sandoe wrote:
>> On 9 Nov 2021, at 12:18, Jakub Jelinek via Gcc-patches
>> wrote:
>>
>> On Tue, Nov 09, 2021 at 11:40:08AM +, Iain Sandoe wrote:
>>> There were two issues, of which one remains and probably affects all
>>> targets.
>>> 2. This
> On 9 Nov 2021, at 12:18, Jakub Jelinek via Gcc-patches
> wrote:
>
> On Tue, Nov 09, 2021 at 11:40:08AM +, Iain Sandoe wrote:
>> There were two issues, of which one remains and probably affects all targets.
>>
>> 1. The Darwin PCH memory allocation scheme used a system that works
On Tue, Nov 09, 2021 at 10:23:19AM -0500, Andrew MacLeod wrote:
> yeah, that doesnt work because range_query is a pure virtual. However, there
> also does not seem to be any reason why we need to jump thru hoops since
> get_range_query() doesn't need to be in function.h.. If I relocate it to
>
On 11/9/21 9:58 AM, Jakub Jelinek wrote:
On Tue, Nov 09, 2021 at 09:41:08AM -0500, Andrew MacLeod wrote:
Yeah, Im not particular about how we do this... I think thats perfectly
reasonable. Would something like the following solve this issue?
Yes, but see below.
commit
On Tue, Nov 09, 2021 at 09:41:08AM -0500, Andrew MacLeod wrote:
> Yeah, Im not particular about how we do this... I think thats perfectly
> reasonable. Would something like the following solve this issue?
Yes, but see below.
> commit 17a5b03c95549b5488bc8dd2af4f6e2cc9ddf098
> Author: Andrew
On 11/9/21 7:29 AM, Jakub Jelinek wrote:
On Tue, Nov 09, 2021 at 01:03:38PM +0100, Richard Biener wrote:
Apparently the range_of_expr can handle some tree cases through
range_query::get_tree_range, like INTEGER_CSTs, ADDR_EXPRs,
and some binary and unary ops.
But that shouldn't need a range
On Tue, Nov 09, 2021 at 01:03:38PM +0100, Richard Biener wrote:
> > Apparently the range_of_expr can handle some tree cases through
> > range_query::get_tree_range, like INTEGER_CSTs, ADDR_EXPRs,
> > and some binary and unary ops.
>
> But that shouldn't need a range query object ... this was all
On Tue, Nov 09, 2021 at 11:40:08AM +, Iain Sandoe wrote:
> There were two issues, of which one remains and probably affects all targets.
>
> 1. The Darwin PCH memory allocation scheme used a system that works reliably
> for no-PIE but not for PIE
>
> .. I hacked in a similar scheme to
On Tue, 9 Nov 2021, Jakub Jelinek wrote:
> On Tue, Nov 09, 2021 at 10:44:45AM +0100, Jakub Jelinek via Gcc-patches wrote:
> > On Tue, Nov 09, 2021 at 08:12:05AM +0100, Richard Biener wrote:
> > > > So, here is 1), 2), 3) implemented. With this patch alone,
> > > > g++.dg/pch/system-2.C test
> On 9 Nov 2021, at 08:07, Iain Sandoe wrote:
>
>
>
>> On 9 Nov 2021, at 07:12, Richard Biener wrote:
>>
>> On Mon, 8 Nov 2021, Jakub Jelinek wrote:
>>
>>> On Mon, Nov 08, 2021 at 12:46:04PM +0100, Jakub Jelinek via Gcc-patches
>>> wrote:
So, if we want to make PCH work for PIEs,
On Tue, Nov 09, 2021 at 10:44:45AM +0100, Jakub Jelinek via Gcc-patches wrote:
> On Tue, Nov 09, 2021 at 08:12:05AM +0100, Richard Biener wrote:
> > > So, here is 1), 2), 3) implemented. With this patch alone,
> > > g++.dg/pch/system-2.C test ICEs. This is because GCC 12 has added
> > >
On Mon, Nov 08, 2021 at 04:03:09PM -0500, John David Anglin wrote:
> On 2021-11-08 2:48 p.m., Jakub Jelinek wrote:
> > Not really sure about PA or IA-64 function descriptors, are any of those
> > allocated by the dynamic linker rather than created by the static linker?
> On PA, the static linker
On Tue, Nov 09, 2021 at 08:12:05AM +0100, Richard Biener wrote:
> > So, here is 1), 2), 3) implemented. With this patch alone,
> > g++.dg/pch/system-2.C test ICEs. This is because GCC 12 has added
> > function::x_range_query member, which is set to _ranges on
> > cfun creation and is:
> >
> On 9 Nov 2021, at 07:12, Richard Biener wrote:
>
> On Mon, 8 Nov 2021, Jakub Jelinek wrote:
>
>> On Mon, Nov 08, 2021 at 12:46:04PM +0100, Jakub Jelinek via Gcc-patches
>> wrote:
>>> So, if we want to make PCH work for PIEs, I'd say we can:
>>> 1) add a new GTY option, say callback, which
On Mon, 8 Nov 2021, Jakub Jelinek wrote:
> On Mon, Nov 08, 2021 at 12:46:04PM +0100, Jakub Jelinek via Gcc-patches wrote:
> > So, if we want to make PCH work for PIEs, I'd say we can:
> > 1) add a new GTY option, say callback, which would act like
> >skip for non-PCH and for PCH would make us
On 2021-11-08 2:48 p.m., Jakub Jelinek wrote:
Not really sure about PA or IA-64 function descriptors, are any of those
allocated by the dynamic linker rather than created by the static linker?
On PA, the static linker creates all function descriptors. The dynamic linker
is responsible for
On Mon, Nov 08, 2021 at 12:46:04PM +0100, Jakub Jelinek via Gcc-patches wrote:
> So, if we want to make PCH work for PIEs, I'd say we can:
> 1) add a new GTY option, say callback, which would act like
>skip for non-PCH and for PCH would make us skip it but
>remember for address bias
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