On 17/11/2021 10:40, Florian Weimer wrote:
> * Adhemerval Zanella via Libc-alpha:
>
>> However the code is somewhat complex and I would like to have some feedback
>> if gcc will be willing to accept this change (I assume it would require
>> this code merge on glibc beforehand).
>
> There's a
* Jakub Jelinek:
> dl_iterate_phdr is declared in link.h and without the _ prefix, shouldn't
> dl_find_eh_frame follow the suit and be declared in the same header and
> also without the prefix?
We need to use the _ prefix due to this bug:
dl_iterate_phdr namespace violation
On Wed, Nov 03, 2021 at 05:28:02PM +0100, Florian Weimer wrote:
> --- /dev/null
> +++ b/bits/dlfcn_eh_frame.h
> @@ -0,0 +1,33 @@
> +/* System dependent definitions for find unwind information using ld.so.
> + Copyright (C) 2021 Free Software Foundation, Inc.
> + This file is part of the GNU C
* Jakub Jelinek:
> On Wed, Nov 03, 2021 at 05:28:02PM +0100, Florian Weimer wrote:
>> This function is similar to __gnu_Unwind_Find_exidx as used on arm.
>> It can be used to speed up the libgcc unwinder.
>
> I'm little bit worried that this trades the speed of exceptions for
> speed of
On Wed, Nov 03, 2021 at 05:28:02PM +0100, Florian Weimer wrote:
> This function is similar to __gnu_Unwind_Find_exidx as used on arm.
> It can be used to speed up the libgcc unwinder.
I'm little bit worried that this trades the speed of exceptions for
speed of dlopen/dlclose and extra memory use
* Adhemerval Zanella via Libc-alpha:
> However the code is somewhat complex and I would like to have some feedback
> if gcc will be willing to accept this change (I assume it would require
> this code merge on glibc beforehand).
There's a long review queue on the GCC side due to the stage1
On 03/11/2021 13:28, Florian Weimer via Gcc-patches wrote:
> This function is similar to __gnu_Unwind_Find_exidx as used on arm.
> It can be used to speed up the libgcc unwinder.
Besides the terse patch description, the design seems ok to accomplish the
lock-free read and update. There are
This function is similar to __gnu_Unwind_Find_exidx as used on arm.
It can be used to speed up the libgcc unwinder.
---
NEWS | 4 +
bits/dlfcn_eh_frame.h | 33 +
dlfcn/Makefile| 2 +-
