NPTL: Remove internal_function from stack marking functions

These are called across DSO boundaries and therefore should use
the ABI calling convention.

ChangeLog

@@ -1,3 +1,17 @@
+2017-08-13  Florian Weimer  <fweimer@redhat.com>
+
+	* elf/dl-support.c (_dl_make_stack_executable_hook): Remove
+	internal_function.
+	* nptl/allocatestack.c (__make_stacks_executable): Likewise.
+	* nptl/pthreadP.h (__make_stacks_executable): Likewise.
+	* sysdeps/generic/ldsodefs.h (_rtld_global): Remove
+	internal_function from _dl_make_stack_executable_hook member.
+	(_dl_make_stack_executable): Remove internal_function.
+	* sysdeps/mach/hurd/dl-execstack.c (_dl_make_stack_executable):
+	Likewise.
+	* sysdeps/unix/sysv/linux/dl-execstack.c
+	(_dl_make_stack_executable): Likewise.
+
 2017-08-13  Florian Weimer  <fweimer@redhat.com>
 
 	* sysdeps/unix/sysv/linux/netlinkaccess.h

elf/dl-support.c

@@ -181,8 +181,7 @@ ElfW(Word) _dl_stack_flags = DEFAULT_STACK_PERMS;
 /* If loading a shared object requires that we make the stack executable
    when it was not, we do it by calling this function.
    It returns an errno code or zero on success.  */
-int (*_dl_make_stack_executable_hook) (void **) internal_function
-  = _dl_make_stack_executable;
+int (*_dl_make_stack_executable_hook) (void **) = _dl_make_stack_executable;
 
 
 /* Function in libpthread to wait for termination of lookups.  */

nptl/allocatestack.c

@@ -784,7 +784,6 @@ __deallocate_stack (struct pthread *pd)
 
 
 int
-internal_function
 __make_stacks_executable (void **stack_endp)
 {
   /* First the main thread's stack.  */

nptl/pthreadP.h

@@ -356,8 +356,7 @@ extern void __deallocate_stack (struct pthread *pd)
 extern void __reclaim_stacks (void) attribute_hidden;
 
 /* Make all threads's stacks executable.  */
-extern int __make_stacks_executable (void **stack_endp)
-     internal_function attribute_hidden;
+extern int __make_stacks_executable (void **stack_endp) attribute_hidden;
 
 /* longjmp handling.  */
 extern void __pthread_cleanup_upto (__jmp_buf target, char *targetframe);

sysdeps/generic/ldsodefs.h

@@ -377,7 +377,7 @@ struct rtld_global
   /* If loading a shared object requires that we make the stack executable
      when it was not, we do it by calling this function.
      It returns an errno code or zero on success.  */
-  EXTERN int (*_dl_make_stack_executable_hook) (void **) internal_function;
+  EXTERN int (*_dl_make_stack_executable_hook) (void **);
 
   /* Prevailing state of the stack, PF_X indicating it's executable.  */
   EXTERN ElfW(Word) _dl_stack_flags;
@@ -632,7 +632,7 @@ extern size_t _dl_phnum;
 
 /* This is the initial value of GL(dl_make_stack_executable_hook).
    A threads library can change it.  */
-extern int _dl_make_stack_executable (void **stack_endp) internal_function;
+extern int _dl_make_stack_executable (void **stack_endp);
 rtld_hidden_proto (_dl_make_stack_executable)
 
 /* Variable pointing to the end of the stack (or close to it).  This value

sysdeps/mach/hurd/dl-execstack.c

@@ -26,7 +26,6 @@ extern struct hurd_startup_data *_dl_hurd_data attribute_hidden;
    so as to mprotect it.  */
 
 int
-internal_function
 _dl_make_stack_executable (void **stack_endp)
 {
   /* Challenge the caller.  */

sysdeps/unix/sysv/linux/dl-execstack.c

@@ -30,7 +30,6 @@ extern int __stack_prot attribute_relro attribute_hidden;
 
 
 int
-internal_function
 _dl_make_stack_executable (void **stack_endp)
 {
   /* This gives us the highest/lowest page that needs to be changed.  */