Hi!
On Sat, Aug 14, 2021 at 12:34:15PM -0700, Fāng-ruì Sòng wrote:
> On Sat, Aug 14, 2021 at 5:59 AM Segher Boessenkool
> wrote:
> >
> > On Fri, Aug 13, 2021 at 01:05:08PM -0700, Fangrui Song wrote:
> > > Text relocations are considered very awful by linker developers.
> >
> > By very few linker
On Sat, Aug 14, 2021 at 5:59 AM Segher Boessenkool
wrote:
>
> On Fri, Aug 13, 2021 at 01:05:08PM -0700, Fangrui Song wrote:
> > Text relocations are considered very awful by linker developers.
>
> By very few linker developers.
https://groups.google.com/g/generic-abi/c/Ckq19PfLxyk/m/uW29sgkoAgAJ
On Fri, Aug 13, 2021 at 01:05:08PM -0700, Fangrui Song wrote:
> Text relocations are considered very awful by linker developers.
By very few linker developers.
> binutils 2.35 added --enable-textrel-check={no,warn,error}
> https://sourceware.org/bugzilla/show_bug.cgi?id=20824
Yes, some people wa
Bill Wendling writes:
> On Fri, Aug 13, 2021 at 7:13 AM Daniel Axtens wrote:
>> Bill Wendling writes:
...
>> > diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
>> > index 6505d66f1193..17a9fbf9b789 100644
>> > --- a/arch/powerpc/Makefile
>> > +++ b/arch/powerpc/Makefile
>> > @@ -122,6
On Fri, Aug 13, 2021 at 11:59:21AM -0700, Nick Desaulniers wrote:
> Or we can dig through why there are relocations in read only sections,
> fix those, then enable `-z text` for all linkers. My recommendation
> would be get the thing building, then go digging time permitting.
It is not always a b
On 2021-08-14, Daniel Axtens wrote:
Bill Wendling writes:
The "-z notext" flag disables reporting an error if DT_TEXTREL is set on
PPC with CONFIG=kdump:
ld.lld: error: can't create dynamic relocation R_PPC64_ADDR64 against
local symbol in readonly segment; recompile object files with -
On Fri, Aug 13, 2021 at 11:24 AM Bill Wendling wrote:
>
> BTW, this patch should more properly be attributed to Fangrui Song. I
> can send a follow-up patch that reflects this and adds more context to
> the commit message.
Sounds good to me. The TL;DR is that LLD has a different implicit
default
On Fri, Aug 13, 2021 at 7:13 AM Daniel Axtens wrote:
>
> Bill Wendling writes:
>
> > The "-z notext" flag disables reporting an error if DT_TEXTREL is set on
> > PPC with CONFIG=kdump:
> >
> > ld.lld: error: can't create dynamic relocation R_PPC64_ADDR64 against
> > local symbol in readonly
Bill Wendling writes:
> The "-z notext" flag disables reporting an error if DT_TEXTREL is set on
> PPC with CONFIG=kdump:
>
> ld.lld: error: can't create dynamic relocation R_PPC64_ADDR64 against
> local symbol in readonly segment; recompile object files with -fPIC
> or pass '-Wl,-z,not
On Thu, Aug 12, 2021 at 1:49 PM Bill Wendling wrote:
>
> The "-z notext" flag disables reporting an error if DT_TEXTREL is set on
> PPC with CONFIG=kdump:
>
> ld.lld: error: can't create dynamic relocation R_PPC64_ADDR64 against
> local symbol in readonly segment; recompile object files with
The "-z notext" flag disables reporting an error if DT_TEXTREL is set on
PPC with CONFIG=kdump:
ld.lld: error: can't create dynamic relocation R_PPC64_ADDR64 against
local symbol in readonly segment; recompile object files with -fPIC
or pass '-Wl,-z,notext' to allow text relocations in t
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