--execute-only option, and also indicate which ones have enabled by
default now (in our naming convention, that is arm64 and riscv64)
followed by the name of the undefined symbol.
.It Fl -execute-only
Mark executable sections unreadable.
-This option is currently only supported on AArch64 and RISC-V.
+This option is currently only supported on x86-64, AArch64 (default),
+MIPS64, RISC-V (default), and SPARC64.
.It Fl -exclude-libs Ns = Ns Ar value
Exclude static libraries from automatic export.
.It Fl -export-dynamic , Fl E