am 5f98c5a5: am df3aa079: am 55b4c8a4: Merge "Hide the __bionic_clone and __bionic_clone_entry implementation details."

* commit '5f98c5a54a63be80c59bcdf0d278c3e37cf9b325':
  Hide the __bionic_clone and __bionic_clone_entry implementation details.

libc/arch-arm/bionic/__bionic_clone.S

@@ -71,3 +71,4 @@ ENTRY(__bionic_clone)
     ldr    r1, [sp, #-8]
     b      __bionic_clone_entry
 END(__bionic_clone)
+.hidden __bionic_clone

libc/arch-arm64/bionic/__bionic_clone.S

@@ -61,3 +61,4 @@ ENTRY(__bionic_clone)
     ldp     x0, x1, [sp, #-16]
     b       __bionic_clone_entry
 END(__bionic_clone)
+.hidden __bionic_clone

libc/arch-mips/bionic/__bionic_clone.S

@@ -66,3 +66,4 @@ ENTRY(__bionic_clone)
 	la	t9,__set_errno
 	j	t9
 END(__bionic_clone)
+.hidden __bionic_clone

libc/arch-mips64/bionic/__bionic_clone.S

@@ -95,3 +95,4 @@ LEAF(__bionic_clone, FRAMESZ)
 	PTR_ADDU sp,FRAMESZ
 	j	t9
 	END(__bionic_clone)
+.hidden __bionic_clone

libc/arch-x86/bionic/__bionic_clone.S

@@ -51,3 +51,4 @@ bc_return:
         popl    %ebx
         ret
 END(__bionic_clone)
+.hidden __bionic_clone

libc/arch-x86_64/bionic/__bionic_clone.S

@@ -70,3 +70,4 @@ ENTRY(__bionic_clone)
 2:
         ret
 END(__bionic_clone)
+.hidden __bionic_clone

libc/bionic/clone.cpp

@@ -35,7 +35,7 @@ extern "C" pid_t __bionic_clone(uint32_t flags, void* child_stack, int* parent_t
 extern "C" void __exit(int status);
 
 // Called from the __bionic_clone assembler to call the thread function then exit.
-extern "C" void __bionic_clone_entry(int (*fn)(void*), void* arg) {
+extern "C" __LIBC_HIDDEN__ void __bionic_clone_entry(int (*fn)(void*), void* arg) {
   int status = (*fn)(arg);
   __exit(status);
 }