On Fri, Mar 19, 2021 at 10:22:54AM +0100, Peter Zijlstra wrote:
> @@ -814,6 +814,11 @@ struct section *elf_create_reloc_section
> }
> }
>
> +static inline bool is_reloc_section(struct section *reloc)
> +{
> + return reloc->base && reloc->base->reloc == reloc;
> +}
I believe the 2nd co
On Thu, Mar 18, 2021 at 12:38:42PM -0500, Josh Poimboeuf wrote:
> On Thu, Mar 18, 2021 at 06:04:25PM +0100, Peter Zijlstra wrote:
> > On Thu, Mar 18, 2021 at 11:36:40AM -0500, Josh Poimboeuf wrote:
> > > > I was thinking you could get a section changed without touching
> > > > relocations, but whil
On Thu, Mar 18, 2021 at 12:38:42PM -0500, Josh Poimboeuf wrote:
> On Thu, Mar 18, 2021 at 06:04:25PM +0100, Peter Zijlstra wrote:
> > On Thu, Mar 18, 2021 at 11:36:40AM -0500, Josh Poimboeuf wrote:
> > > > I was thinking you could get a section changed without touching
> > > > relocations, but whil
On Thu, Mar 18, 2021 at 06:04:25PM +0100, Peter Zijlstra wrote:
> On Thu, Mar 18, 2021 at 11:36:40AM -0500, Josh Poimboeuf wrote:
> > > I was thinking you could get a section changed without touching
> > > relocations, but while that is theoretically possible, it is exceedingly
> > > unlikely (and
On Thu, Mar 18, 2021 at 11:36:40AM -0500, Josh Poimboeuf wrote:
> > I was thinking you could get a section changed without touching
> > relocations, but while that is theoretically possible, it is exceedingly
> > unlikely (and objtool doesn't do that).
>
> Hm? This is a *relocation* section, not
On Thu, Mar 18, 2021 at 01:57:03PM +0100, Peter Zijlstra wrote:
> On Wed, Mar 17, 2021 at 07:49:17PM -0500, Josh Poimboeuf wrote:
> > On Wed, Mar 17, 2021 at 09:12:15AM +0100, Peter Zijlstra wrote:
> > > On Tue, Mar 16, 2021 at 10:34:17PM -0500, Josh Poimboeuf wrote:
> > > > On Fri, Mar 12, 2021 at
On Wed, Mar 17, 2021 at 07:49:17PM -0500, Josh Poimboeuf wrote:
> On Wed, Mar 17, 2021 at 09:12:15AM +0100, Peter Zijlstra wrote:
> > On Tue, Mar 16, 2021 at 10:34:17PM -0500, Josh Poimboeuf wrote:
> > > On Fri, Mar 12, 2021 at 06:16:18PM +0100, Peter Zijlstra wrote:
> > > > --- a/tools/objtool/elf
On Wed, Mar 17, 2021 at 09:12:15AM +0100, Peter Zijlstra wrote:
> On Tue, Mar 16, 2021 at 10:34:17PM -0500, Josh Poimboeuf wrote:
> > On Fri, Mar 12, 2021 at 06:16:18PM +0100, Peter Zijlstra wrote:
> > > --- a/tools/objtool/elf.c
> > > +++ b/tools/objtool/elf.c
> > > @@ -479,6 +479,8 @@ void elf_ad
On Tue, Mar 16, 2021 at 10:34:17PM -0500, Josh Poimboeuf wrote:
> On Fri, Mar 12, 2021 at 06:16:18PM +0100, Peter Zijlstra wrote:
> > --- a/tools/objtool/elf.c
> > +++ b/tools/objtool/elf.c
> > @@ -479,6 +479,8 @@ void elf_add_reloc(struct elf *elf, stru
> >
> > list_add_tail(&reloc->list, &s
On Fri, Mar 12, 2021 at 06:16:18PM +0100, Peter Zijlstra wrote:
> --- a/tools/objtool/elf.c
> +++ b/tools/objtool/elf.c
> @@ -479,6 +479,8 @@ void elf_add_reloc(struct elf *elf, stru
>
> list_add_tail(&reloc->list, &sec->reloc_list);
> elf_hash_add(elf->reloc_hash, &reloc->hash, reloc
Instead of manually calling elf_rebuild_reloc_section() on sections
we've called elf_add_reloc() on, have elf_write() DTRT.
This makes it easier to add random relocations in places without
carefully tracking when we're done and need to flush what section.
Signed-off-by: Peter Zijlstra (Intel)
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