Define PRIVATE and add it to all global symbols so we don't export assembly functions.

libvpx/source/libvpx/vp8/encoder/x86/sad_sse4.asm

 ;
 ;  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
 ;
 ;  Use of this source code is governed by a BSD-style license
 ;  that can be found in the LICENSE file in the root of the source
 ;  tree. An additional intellectual property rights grant can be found
 ;  in the file PATENTS.  All contributing project authors may
 ;  be found in the AUTHORS file in the root of the source tree.
 ;
 
@@ skipping 143 matching lines @@
         paddw           xmm1,       xmm5
 %endmacro
 
 
 ;void vp8_sad16x16x8_sse4(
 ;    const unsigned char *src_ptr,
 ;    int  src_stride,
 ;    const unsigned char *ref_ptr,
 ;    int  ref_stride,
 ;    unsigned short *sad_array);
-global sym(vp8_sad16x16x8_sse4)
+global sym(vp8_sad16x16x8_sse4) PRIVATE
 sym(vp8_sad16x16x8_sse4):
     push        rbp
     mov         rbp, rsp
     SHADOW_ARGS_TO_STACK 5
     push        rsi
     push        rdi
     ; end prolog
 
         mov             rsi,        arg(0)           ;src_ptr
         mov             rdi,        arg(2)           ;ref_ptr
@@ skipping 21 matching lines @@
     ret
 
 
 ;void vp8_sad16x8x8_sse4(
 ;    const unsigned char *src_ptr,
 ;    int  src_stride,
 ;    const unsigned char *ref_ptr,
 ;    int  ref_stride,
 ;    unsigned short *sad_array
 ;);
-global sym(vp8_sad16x8x8_sse4)
+global sym(vp8_sad16x8x8_sse4) PRIVATE
 sym(vp8_sad16x8x8_sse4):
     push        rbp
     mov         rbp, rsp
     SHADOW_ARGS_TO_STACK 5
     push        rsi
     push        rdi
     ; end prolog
 
         mov             rsi,        arg(0)           ;src_ptr
         mov             rdi,        arg(2)           ;ref_ptr
@@ skipping 17 matching lines @@
     ret
 
 
 ;void vp8_sad8x8x8_sse4(
 ;    const unsigned char *src_ptr,
 ;    int  src_stride,
 ;    const unsigned char *ref_ptr,
 ;    int  ref_stride,
 ;    unsigned short *sad_array
 ;);
-global sym(vp8_sad8x8x8_sse4)
+global sym(vp8_sad8x8x8_sse4) PRIVATE
 sym(vp8_sad8x8x8_sse4):
     push        rbp
     mov         rbp, rsp
     SHADOW_ARGS_TO_STACK 5
     push        rsi
     push        rdi
     ; end prolog
 
         mov             rsi,        arg(0)           ;src_ptr
         mov             rdi,        arg(2)           ;ref_ptr
@@ skipping 17 matching lines @@
     ret
 
 
 ;void vp8_sad8x16x8_sse4(
 ;    const unsigned char *src_ptr,
 ;    int  src_stride,
 ;    const unsigned char *ref_ptr,
 ;    int  ref_stride,
 ;    unsigned short *sad_array
 ;);
-global sym(vp8_sad8x16x8_sse4)
+global sym(vp8_sad8x16x8_sse4) PRIVATE
 sym(vp8_sad8x16x8_sse4):
     push        rbp
     mov         rbp, rsp
     SHADOW_ARGS_TO_STACK 5
     push        rsi
     push        rdi
     ; end prolog
 
         mov             rsi,        arg(0)           ;src_ptr
         mov             rdi,        arg(2)           ;ref_ptr
@@ skipping 20 matching lines @@
     ret
 
 
 ;void vp8_sad4x4x8_c(
 ;    const unsigned char *src_ptr,
 ;    int  src_stride,
 ;    const unsigned char *ref_ptr,
 ;    int  ref_stride,
 ;    unsigned short *sad_array
 ;);
-global sym(vp8_sad4x4x8_sse4)
+global sym(vp8_sad4x4x8_sse4) PRIVATE
 sym(vp8_sad4x4x8_sse4):
     push        rbp
     mov         rbp, rsp
     SHADOW_ARGS_TO_STACK 5
     push        rsi
     push        rdi
     ; end prolog
 
         mov             rsi,        arg(0)           ;src_ptr
         mov             rdi,        arg(2)           ;ref_ptr
@@ skipping 10 matching lines @@
     ; begin epilog
     pop         rdi
     pop         rsi
     UNSHADOW_ARGS
     pop         rbp
     ret