On Thu, Aug 20, 2020 at 10:54 AM Yonghong Song wrote:
>
>
>
> On 8/20/20 10:36 AM, Mark Wielaard wrote:
> > Hi
> >
> > On Thu, 2020-08-20 at 08:51 -0700, Yonghong Song wrote:
> Do you think we could skip these .debug_* sections somehow in elf
> parsing in resolve_btfids? resolve_btfids d
On 8/20/20 10:36 AM, Mark Wielaard wrote:
Hi
On Thu, 2020-08-20 at 08:51 -0700, Yonghong Song wrote:
Do you think we could skip these .debug_* sections somehow in elf
parsing in resolve_btfids? resolve_btfids does not need to read
these sections. This way, no need to change their alignment
e
Hi
On Thu, 2020-08-20 at 08:51 -0700, Yonghong Song wrote:
> > > Do you think we could skip these .debug_* sections somehow in elf
> > > parsing in resolve_btfids? resolve_btfids does not need to read
> > > these sections. This way, no need to change their alignment
> > > either.
> >
> > The issu
On 8/20/20 3:18 AM, Mark Wielaard wrote:
Hi,
On Wed, 2020-08-19 at 20:23 -0700, Yonghong Song wrote:
On 8/19/20 7:27 PM, Fāng-ruì Sòng wrote:
I think this is resolve_btfids's bug. GNU ld and LLD are innocent.
These .debug_* sections work fine if their sh_addralign is 1.
When the section f
On Wed, Aug 19, 2020 at 08:23:10PM -0700, Yonghong Song wrote:
>
>
> On 8/19/20 7:27 PM, Fāng-ruì Sòng wrote:
> > > > > section(36) .comment, size 44, link 0, flags 30, type=1
> > > > > section(37) .debug_aranges, size 45684, link 0, flags 800, type=1
> > > > > - fixing wrong alignme
Hi,
On Wed, 2020-08-19 at 20:23 -0700, Yonghong Song wrote:
> On 8/19/20 7:27 PM, Fāng-ruì Sòng wrote:
> > > > >
> > I think this is resolve_btfids's bug. GNU ld and LLD are innocent.
> > These .debug_* sections work fine if their sh_addralign is 1.
> > When the section flag SHF_COMPRESSED is set
On 8/19/20 7:27 PM, Fāng-ruì Sòng wrote:
section(36) .comment, size 44, link 0, flags 30, type=1
section(37) .debug_aranges, size 45684, link 0, flags 800, type=1
- fixing wrong alignment sh_addralign 16, expected 8
section(38) .debug_info, size 129104957, link 0, flags 800, t
On 8/19/20 2:23 AM, Jiri Olsa wrote:
The data of compressed section should be aligned to 4
(for 32bit) or 8 (for 64 bit) bytes.
The binutils ld sets sh_addralign to 1, which makes libelf
fail with misaligned section error during the update as
reported by Jesper:
FAILED elf_update(WRITE):
On 8/19/20 11:16 AM, Nick Desaulniers wrote:
On Wed, Aug 19, 2020 at 10:36 AM Jiri Olsa wrote:
On Wed, Aug 19, 2020 at 08:31:51AM -0700, Yonghong Song wrote:
On 8/19/20 2:23 AM, Jiri Olsa wrote:
The data of compressed section should be aligned to 4
(for 32bit) or 8 (for 64 bit) bytes.
On Wed, Aug 19, 2020 at 08:31:51AM -0700, Yonghong Song wrote:
>
>
> On 8/19/20 2:23 AM, Jiri Olsa wrote:
> > The data of compressed section should be aligned to 4
> > (for 32bit) or 8 (for 64 bit) bytes.
> >
> > The binutils ld sets sh_addralign to 1, which makes libelf
> > fail with misaligned
On Wed, 19 Aug 2020 11:23:42 +0200 Jiri Olsa wrote:
> The data of compressed section should be aligned to 4
> (for 32bit) or 8 (for 64 bit) bytes.
>
> The binutils ld sets sh_addralign to 1, which makes libelf
> fail with misaligned section error during the update as
> reported by Jesper:
>
>
On 8/19/20 2:23 AM, Jiri Olsa wrote:
The data of compressed section should be aligned to 4
(for 32bit) or 8 (for 64 bit) bytes.
The binutils ld sets sh_addralign to 1, which makes libelf
fail with misaligned section error during the update as
reported by Jesper:
FAILED elf_update(WRITE):
The data of compressed section should be aligned to 4
(for 32bit) or 8 (for 64 bit) bytes.
The binutils ld sets sh_addralign to 1, which makes libelf
fail with misaligned section error during the update as
reported by Jesper:
FAILED elf_update(WRITE): invalid section alignment
While waiting f
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