Explicitly list the symbols permitted to be exported by libc.

This is primed with the current list of exported symbols so it doesn't
change the ABI yet, but will prevent unintentional additions in the future
and sets the stage for reductions.

ok deraadt@ kettenis@

1 files changed, 15 insertions, 0 deletions

diff --git a/lib/libc/arch/powerpc/Symbols.list b/lib/libc/arch/powerpc/Symbols.list
new file mode 100644
index 00000000000..4041c4ab73a
--- /dev/null
+++ b/lib/libc/arch/powerpc/Symbols.list
@@ -0,0 +1,15 @@
+__end
+__floatundidf
+__plt_end
+__plt_start
+_mcount
+_thread_sys_brk
+_thread_sys_exect
+_thread_sys_sbrk
+_thread_sys_syscall
+end
+fabsl
+frexpl
+ldexpl
+minbrk
+modfl