On Sat, 30 Apr 2022 01:03:01 +0530
"Naveen N. Rao" wrote:
> > The point of this section is to know which functions in __mcount_loc may
> > have been overridden, as they would be found in the __mcount_loc_weak
> > section. And then we can do something "special" to them.
>
> I'm not sure I follo
Steven Rostedt wrote:
On Fri, 29 Apr 2022 23:09:19 +0530
"Naveen N. Rao" wrote:
If I'm understanding your suggestion right:
- we now create a new section in each object file: __mcount_loc_weak,
and capture such relocations using weak symbols there.
Yes, but it would be putting the same in
On Fri, 29 Apr 2022 23:09:19 +0530
"Naveen N. Rao" wrote:
> If I'm understanding your suggestion right:
> - we now create a new section in each object file: __mcount_loc_weak,
> and capture such relocations using weak symbols there.
Yes, but it would be putting the same information it puts in
Steven Rostedt wrote:
On Thu, 28 Apr 2022 22:49:52 +0530
"Naveen N. Rao" wrote:
But, with ppc64 elf abi v1 which only supports the old -pg flag, mcount
location can differ between the weak and non-weak variants of a
function. In such scenarios, one of the two mcount entries will be
invalid. Su
On Thu, 28 Apr 2022 22:49:52 +0530
"Naveen N. Rao" wrote:
> But, with ppc64 elf abi v1 which only supports the old -pg flag, mcount
> location can differ between the weak and non-weak variants of a
> function. In such scenarios, one of the two mcount entries will be
> invalid. Such architectures
Kernel builds on powerpc are failing with the below error [1]:
CC kernel/kexec_file.o
Cannot find symbol for section 9: .text.unlikely.
kernel/kexec_file.o: failed
Since commit d1bcae833b32f1 ("ELF: Don't generate unused section
symbols") [2], binutils started dropping section s
