On Wed, Mar 17, 2021 at 07:46:14PM -0500, Josh Poimboeuf wrote:
> On Wed, Mar 17, 2021 at 03:13:43PM +0100, Peter Zijlstra wrote:
> > On Wed, Mar 17, 2021 at 02:52:23PM +0100, Miroslav Benes wrote:
> >
> > > > + if (!elf_symbol_add(elf, sym, SHN_XINDEX)) {
> > > > +
On Wed, Mar 17, 2021 at 03:13:43PM +0100, Peter Zijlstra wrote:
> On Wed, Mar 17, 2021 at 02:52:23PM +0100, Miroslav Benes wrote:
>
> > > + if (!elf_symbol_add(elf, sym, SHN_XINDEX)) {
> > > + WARN("elf_symbol_add");
> > > + return NULL;
> > > + }
> >
> > SHN_XINDEX means that
On Wed, Mar 17, 2021 at 7:40 AM Miroslav Benes wrote:
>
> On Wed, 17 Mar 2021, Peter Zijlstra wrote:
>
> > On Wed, Mar 17, 2021 at 02:52:23PM +0100, Miroslav Benes wrote:
> >
> > > > + if (!elf_symbol_add(elf, sym, SHN_XINDEX)) {
> > > > + WARN("elf_symbol_add");
> > > > + return
On Wed, 17 Mar 2021, Peter Zijlstra wrote:
> On Wed, Mar 17, 2021 at 02:52:23PM +0100, Miroslav Benes wrote:
>
> > > + if (!elf_symbol_add(elf, sym, SHN_XINDEX)) {
> > > + WARN("elf_symbol_add");
> > > + return NULL;
> > > + }
> >
> > SHN_XINDEX means that the extended section
On Wed, Mar 17, 2021 at 02:52:23PM +0100, Miroslav Benes wrote:
> > + if (!elf_symbol_add(elf, sym, SHN_XINDEX)) {
> > + WARN("elf_symbol_add");
> > + return NULL;
> > + }
>
> SHN_XINDEX means that the extended section index is used. Above you seem
> to use it in the
[ also correcting my e-mail address ]
On Fri, 12 Mar 2021, Peter Zijlstra wrote:
Just a remark regarding SHN_XINDEX...
> +static bool elf_symbol_add(struct elf *elf, struct symbol *sym, Elf32_Word
> shndx)
> +{
> + struct list_head *entry;
> + struct rb_node *pnode;
> +
> +
Allow objtool to create undefined symbols; this allows creating
relocations to symbols not currently in the symbol table.
Signed-off-by: Peter Zijlstra (Intel)
---
tools/objtool/elf.c | 180 +++-
tools/objtool/include/objtool/elf.h |1
2
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