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

libvpx/source/libvpx/vp8/common/x86/postproc_mmx.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.
 ;
 
 
 %include "vpx_ports/x86_abi_support.asm"
 
 %define VP8_FILTER_WEIGHT 128
 %define VP8_FILTER_SHIFT  7
 
 ;void vp8_post_proc_down_and_across_mmx
 ;(
 ;    unsigned char *src_ptr,
 ;    unsigned char *dst_ptr,
 ;    int src_pixels_per_line,
 ;    int dst_pixels_per_line,
 ;    int rows,
 ;    int cols,
 ;    int flimit
 ;)
-global sym(vp8_post_proc_down_and_across_mmx)
+global sym(vp8_post_proc_down_and_across_mmx) PRIVATE
 sym(vp8_post_proc_down_and_across_mmx):
     push        rbp
     mov         rbp, rsp
     SHADOW_ARGS_TO_STACK 7
     GET_GOT     rbx
     push        rsi
     push        rdi
     ; end prolog
 
 %if ABI_IS_32BIT=1 && CONFIG_PIC=1
@@ skipping 220 matching lines @@
     RESTORE_GOT
     UNSHADOW_ARGS
     pop         rbp
     ret
 %undef RD
 
 
 ;void vp8_mbpost_proc_down_mmx(unsigned char *dst,
 ;                             int pitch, int rows, int cols,int flimit)
 extern sym(vp8_rv)
-global sym(vp8_mbpost_proc_down_mmx)
+global sym(vp8_mbpost_proc_down_mmx) PRIVATE
 sym(vp8_mbpost_proc_down_mmx):
     push        rbp
     mov         rbp, rsp
     SHADOW_ARGS_TO_STACK 5
     GET_GOT     rbx
     push        rsi
     push        rdi
     ; end prolog
 
     ALIGN_STACK 16, rax
@@ skipping 179 matching lines @@
     ret
 %undef flimit2
 
 
 ;void vp8_plane_add_noise_mmx (unsigned char *Start, unsigned char *noise,
 ;                            unsigned char blackclamp[16],
 ;                            unsigned char whiteclamp[16],
 ;                            unsigned char bothclamp[16],
 ;                            unsigned int Width, unsigned int Height, int Pitch)
 extern sym(rand)
-global sym(vp8_plane_add_noise_mmx)
+global sym(vp8_plane_add_noise_mmx) PRIVATE
 sym(vp8_plane_add_noise_mmx):
     push        rbp
     mov         rbp, rsp
     SHADOW_ARGS_TO_STACK 8
     GET_GOT     rbx
     push        rsi
     push        rdi
     ; end prolog
 
 addnoise_loop:
@@ skipping 46 matching lines @@
 SECTION_RODATA
 align 16
 Blur:
     times 16 dw 16
     times  8 dw 64
     times 16 dw 16
     times  8 dw  0
 
 rd:
     times 4 dw 0x40