Hi Mark,
On Thu, Nov 29, 2018 at 12:57:03PM +0100, Mark Wielaard wrote:
> On Wed, 2018-11-28 at 15:00 -0600, Segher Boessenkool wrote:
> > On Tue, Nov 27, 2018 at 08:54:07PM +0100, Mark Wielaard wrote:
> > > On Tue, 2018-11-27 at 12:37 -0600, Segher Boessenkool wrote:
> > > > > diff --git a/gcc/co
Hi Segher,
On Wed, 2018-11-28 at 15:00 -0600, Segher Boessenkool wrote:
> On Tue, Nov 27, 2018 at 08:54:07PM +0100, Mark Wielaard wrote:
> > On Tue, 2018-11-27 at 12:37 -0600, Segher Boessenkool wrote:
> > > > Define a new target macro TARGET_HAS_DEFAULT_NOEXEC_STACK for
> > > > those
> > > > targ
On Tue, Nov 27, 2018 at 08:54:07PM +0100, Mark Wielaard wrote:
> On Tue, 2018-11-27 at 12:37 -0600, Segher Boessenkool wrote:
> > > Define a new target macro TARGET_HAS_DEFAULT_NOEXEC_STACK for those
> > > targets
> > > that have a non-executable default stack based on when they call
> > > file_end
Hi,
On Tue, 2018-11-27 at 12:37 -0600, Segher Boessenkool wrote:
> > Define a new target macro TARGET_HAS_DEFAULT_NOEXEC_STACK for those
> > targets
> > that have a non-executable default stack based on when they call
> > file_end_indicate_exec_stack.
>
> As Paul says, that name isn't so good.
>
Hi Mark,
On Mon, Nov 26, 2018 at 10:13:29AM +0100, Mark Wielaard wrote:
> With -Wtrampolines a warning is produced whenever gcc generates executable
> code on the stack at runtime to support taking a nested function address
> that is used to call the nested function indirectly when it needs to acc
On Mon, 2018-11-26 at 18:29 +, Joseph Myers wrote:
> On Mon, 26 Nov 2018, Mark Wielaard wrote:
>
> > Define a new target macro TARGET_HAS_DEFAULT_NOEXEC_STACK for those
> > targets
> > that have a non-executable default stack based on when they call
> > file_end_indicate_exec_stack.
>
> Some
On Mon, 26 Nov 2018, Mark Wielaard wrote:
> Define a new target macro TARGET_HAS_DEFAULT_NOEXEC_STACK for those targets
> that have a non-executable default stack based on when they call
> file_end_indicate_exec_stack.
Some targets (e.g. ia64) may default to no-exec stacks without needing
that h
On Mon, 2018-11-26 at 08:19 -0500, Paul Koning wrote:
> > On Nov 26, 2018, at 4:13 AM, Mark Wielaard wrote:
> >
> > With -Wtrampolines a warning is produced whenever gcc generates
> > executable
> > code on the stack at runtime to support taking a nested function
> > address
> > that is used to c
> On Nov 26, 2018, at 4:13 AM, Mark Wielaard wrote:
>
> With -Wtrampolines a warning is produced whenever gcc generates executable
> code on the stack at runtime to support taking a nested function address
> that is used to call the nested function indirectly when it needs to access
> any vari
With -Wtrampolines a warning is produced whenever gcc generates executable
code on the stack at runtime to support taking a nested function address
that is used to call the nested function indirectly when it needs to access
any variables in its lexical scope.
As a result the stack has to be marked
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