Messages in this thread | | | Date | Sat, 10 Sep 2022 00:53:16 -0700 | From | Fangrui Song <> | Subject | Re: [PATCH] vdso: Improve cmd_vdso_check to check all dynamic relocations |
| |
On 2022-08-30, Fangrui Song wrote: >The actual intention is that no dynamic relocation exists. However, some >GNU ld ports produce unneeded R_*_NONE. (If a port is not care enough to >determine the exact .rel[a].dyn size, the trailing zeros become R_*_NONE >relocations. E.g. powerpc64le ld as of 2.38 has the issue with >defconfig.) R_*_NONE are generally no-op in the dynamic loaders. So just >ignore them. > >With the change, we can remove ARCH_REL_TYPE_ABS. ARCH_REL_TYPE_ABS is a >bit misnomer as ports may check RELAVETIVE/GLOB_DAT/JUMP_SLOT which are >not called "absolute relocations". (The patch is motivated by the arm64 >port missing R_AARCH64_RELATIVE.) > >While here, replace "egrep" with "grep" as "egrep" is deprecated in GNU >grep 3.7. > >Signed-off-by: Fangrui Song <maskray@google.com> >--- >[...] >
Ping.
| |