On Tue, Jun 16, 2020 at 11:12:53AM +0200, Peter Zijlstra wrote:
> On Fri, Jun 12, 2020 at 04:30:36PM +0200, Peter Zijlstra wrote:
> > +int elf_write_insn(struct elf *elf, struct section *sec,
> > + unsigned long offset, unsigned int len,
> > + const char *insn)
> > +{
> >
On Fri, Jun 12, 2020 at 04:30:36PM +0200, Peter Zijlstra wrote:
> +int elf_write_insn(struct elf *elf, struct section *sec,
> +unsigned long offset, unsigned int len,
> +const char *insn)
> +{
> + Elf_Data *data = sec->data;
> +
> + if (data->d_type != ELF_T_
This provides infrastructure to rewrite instructions; this is
immediately useful for helping out with KCOV-vs-noinstr, but will
also come in handy for a bunch of variable sized jump-label patches
that are still on ice.
Signed-off-by: Peter Zijlstra (Intel)
---
tools/objtool/elf.c | 52
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