On Sat, Jan 30, 2021 at 7:42 AM Sedat Dilek wrote:
>
> On Fri, Jan 29, 2021 at 11:31 PM Nick Desaulniers
> wrote:
> >
> > On Fri, Jan 29, 2021 at 2:23 PM Sedat Dilek wrote:
> > >
> > > On Fri, Jan 29, 2021 at 11:21 PM Nick Desaulniers
> > > wrote:
> > > >
> > > > On Fri, Jan 29, 2021 at 2:11
On Fri, Jan 29, 2021 at 3:25 PM Nick Desaulniers
wrote:
>
> On Fri, Jan 29, 2021 at 2:10 PM Jakub Jelinek wrote:
> >
> > On Fri, Jan 29, 2021 at 02:05:59PM -0800, Nick Desaulniers wrote:
> > > Ah, I see. Then I should update the script I add
> > > (scripts/test_dwarf5_support.sh) to feature
On Fri, Jan 29, 2021 at 2:10 PM Jakub Jelinek wrote:
>
> On Fri, Jan 29, 2021 at 02:05:59PM -0800, Nick Desaulniers wrote:
> > Ah, I see. Then I should update the script I add
> > (scripts/test_dwarf5_support.sh) to feature detect that bug, since
> > it's the latest of the bunch. Also, should
On 2021-01-29, Nick Desaulniers wrote:
DWARF v5 is the latest standard of the DWARF debug info format.
Feature detection of DWARF5 is onerous, especially given that we've
removed $(AS), so we must query $(CC) for DWARF5 assembler directive
support.
The DWARF version of a binary can be
On Fri, Jan 29, 2021 at 11:31 PM Nick Desaulniers
wrote:
>
> On Fri, Jan 29, 2021 at 2:23 PM Sedat Dilek wrote:
> >
> > On Fri, Jan 29, 2021 at 11:21 PM Nick Desaulniers
> > wrote:
> > >
> > > On Fri, Jan 29, 2021 at 2:11 PM Sedat Dilek wrote:
> > > >
> > > > On Fri, Jan 29, 2021 at 11:09 PM
On Fri, Jan 29, 2021 at 2:23 PM Sedat Dilek wrote:
>
> On Fri, Jan 29, 2021 at 11:21 PM Nick Desaulniers
> wrote:
> >
> > On Fri, Jan 29, 2021 at 2:11 PM Sedat Dilek wrote:
> > >
> > > On Fri, Jan 29, 2021 at 11:09 PM Nick Desaulniers
> > > wrote:
> > > >
> > > > On Fri, Jan 29, 2021 at 1:20
On Fri, Jan 29, 2021 at 1:11 PM Jakub Jelinek wrote:
>
> On Fri, Jan 29, 2021 at 01:05:56PM -0800, Nick Desaulniers wrote:
> > > Wasn't that fixed in GAS?
> > > https://sourceware.org/bugzilla/show_bug.cgi?id=27195
> >
> > $ make LLVM=1 -j72 defconfig
> > $ ./scripts/config -e DEBUG_INFO -e
On Fri, Jan 29, 2021 at 11:21 PM Nick Desaulniers
wrote:
>
> On Fri, Jan 29, 2021 at 2:11 PM Sedat Dilek wrote:
> >
> > On Fri, Jan 29, 2021 at 11:09 PM Nick Desaulniers
> > wrote:
> > >
> > > On Fri, Jan 29, 2021 at 1:20 PM Sedat Dilek wrote:
> > > >
> > > > On Fri, Jan 29, 2021 at 10:13 PM
On Fri, Jan 29, 2021 at 2:11 PM Sedat Dilek wrote:
>
> On Fri, Jan 29, 2021 at 11:09 PM Nick Desaulniers
> wrote:
> >
> > On Fri, Jan 29, 2021 at 1:20 PM Sedat Dilek wrote:
> > >
> > > On Fri, Jan 29, 2021 at 10:13 PM Sedat Dilek
> > > wrote:
> > > >
> > > > On Fri, Jan 29, 2021 at 10:09 PM
On Fri, Jan 29, 2021 at 11:09 PM Nick Desaulniers
wrote:
>
> On Fri, Jan 29, 2021 at 1:20 PM Sedat Dilek wrote:
> >
> > On Fri, Jan 29, 2021 at 10:13 PM Sedat Dilek wrote:
> > >
> > > On Fri, Jan 29, 2021 at 10:09 PM Nick Desaulniers
> > > wrote:
> > > >
> > > > On Fri, Jan 29, 2021 at 12:55
On Fri, Jan 29, 2021 at 02:05:59PM -0800, Nick Desaulniers wrote:
> Ah, I see. Then I should update the script I add
> (scripts/test_dwarf5_support.sh) to feature detect that bug, since
> it's the latest of the bunch. Also, should update my comment to note
> that this requires binutils greater
On Fri, Jan 29, 2021 at 1:20 PM Sedat Dilek wrote:
>
> On Fri, Jan 29, 2021 at 10:13 PM Sedat Dilek wrote:
> >
> > On Fri, Jan 29, 2021 at 10:09 PM Nick Desaulniers
> > wrote:
> > >
> > > On Fri, Jan 29, 2021 at 12:55 PM Sedat Dilek
> > > wrote:
> > > >
> > > > On Fri, Jan 29, 2021 at 9:48 PM
On Fri, Jan 29, 2021 at 1:52 PM Fangrui Song wrote:
>
> On 2021-01-29, Nick Desaulniers wrote:
> >diff --git a/include/asm-generic/vmlinux.lds.h
> >b/include/asm-generic/vmlinux.lds.h
> >index 34b7e0d2346c..f8d5455cd87f 100644
> >--- a/include/asm-generic/vmlinux.lds.h
> >+++
On Fri, Jan 29, 2021 at 1:11 PM Jakub Jelinek wrote:
>
> On Fri, Jan 29, 2021 at 01:05:56PM -0800, Nick Desaulniers wrote:
> > > Wasn't that fixed in GAS?
> > > https://sourceware.org/bugzilla/show_bug.cgi?id=27195
> >
> > $ make LLVM=1 -j72 defconfig
> > $ ./scripts/config -e DEBUG_INFO -e
On 2021-01-29, Nick Desaulniers wrote:
DWARF v5 is the latest standard of the DWARF debug info format.
Feature detection of DWARF5 is onerous, especially given that we've
removed $(AS), so we must query $(CC) for DWARF5 assembler directive
support.
The DWARF version of a binary can be
On Fri, Jan 29, 2021 at 10:13 PM Sedat Dilek wrote:
>
> On Fri, Jan 29, 2021 at 10:09 PM Nick Desaulniers
> wrote:
> >
> > On Fri, Jan 29, 2021 at 12:55 PM Sedat Dilek wrote:
> > >
> > > On Fri, Jan 29, 2021 at 9:48 PM Nick Desaulniers
> > > wrote:
> > > >
> > > > On Fri, Jan 29, 2021 at 12:41
On Fri, Jan 29, 2021 at 10:09 PM Nick Desaulniers
wrote:
>
> On Fri, Jan 29, 2021 at 12:55 PM Sedat Dilek wrote:
> >
> > On Fri, Jan 29, 2021 at 9:48 PM Nick Desaulniers
> > wrote:
> > >
> > > On Fri, Jan 29, 2021 at 12:41 PM Sedat Dilek
> > > wrote:
> > > >
> > > > On Fri, Jan 29, 2021 at
On Fri, Jan 29, 2021 at 01:05:56PM -0800, Nick Desaulniers wrote:
> > Wasn't that fixed in GAS?
> > https://sourceware.org/bugzilla/show_bug.cgi?id=27195
>
> $ make LLVM=1 -j72 defconfig
> $ ./scripts/config -e DEBUG_INFO -e DEBUG_INFO_DWARF5
> $ make LLVM=1 -j72
> ...
> /tmp/init-d50d89.s:
On Fri, Jan 29, 2021 at 12:55 PM Sedat Dilek wrote:
>
> On Fri, Jan 29, 2021 at 9:48 PM Nick Desaulniers
> wrote:
> >
> > On Fri, Jan 29, 2021 at 12:41 PM Sedat Dilek wrote:
> > >
> > > On Fri, Jan 29, 2021 at 8:43 PM Nick Desaulniers
> > > wrote:
> > > >
> > > > diff --git a/Makefile
On Fri, Jan 29, 2021 at 12:57 PM Jakub Jelinek wrote:
>
> On Fri, Jan 29, 2021 at 12:48:11PM -0800, Nick Desaulniers wrote:
> > > Should this be...?
> > >
> > > KBUILD_AFLAGS += -Wa,-gdwarf-5
> >
> > No; under the set of conditions Clang is compiling .c to .S with DWARF
> > v5 assembler
On Fri, Jan 29, 2021 at 12:48:11PM -0800, Nick Desaulniers wrote:
> > Should this be...?
> >
> > KBUILD_AFLAGS += -Wa,-gdwarf-5
>
> No; under the set of conditions Clang is compiling .c to .S with DWARF
> v5 assembler directives. GAS will choke unless told -gdwarf-5 via
> -Wa,-gdwarf-5 for .c
On Fri, Jan 29, 2021 at 9:48 PM Nick Desaulniers
wrote:
>
> On Fri, Jan 29, 2021 at 12:41 PM Sedat Dilek wrote:
> >
> > On Fri, Jan 29, 2021 at 8:43 PM Nick Desaulniers
> > wrote:
> > >
> > > diff --git a/Makefile b/Makefile
> > > index 20141cd9319e..bed8b3b180b8 100644
> > > --- a/Makefile
> >
On Fri, Jan 29, 2021 at 12:41 PM Sedat Dilek wrote:
>
> On Fri, Jan 29, 2021 at 8:43 PM Nick Desaulniers
> wrote:
> >
> > diff --git a/Makefile b/Makefile
> > index 20141cd9319e..bed8b3b180b8 100644
> > --- a/Makefile
> > +++ b/Makefile
> > @@ -832,8 +832,20 @@ endif
> >
> >
On Fri, Jan 29, 2021 at 8:43 PM Nick Desaulniers
wrote:
>
> DWARF v5 is the latest standard of the DWARF debug info format.
>
> Feature detection of DWARF5 is onerous, especially given that we've
> removed $(AS), so we must query $(CC) for DWARF5 assembler directive
> support.
>
> The DWARF
DWARF v5 is the latest standard of the DWARF debug info format.
Feature detection of DWARF5 is onerous, especially given that we've
removed $(AS), so we must query $(CC) for DWARF5 assembler directive
support.
The DWARF version of a binary can be validated with:
$ llvm-dwarfdump vmlinux | head
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