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

libvpx/source/libvpx/vp8/common/x86/idctllm_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.
 ;
 
@@ skipping 15 matching lines @@
 ; *
 ; * For     the second constant, becuase of the 16bit version is 35468, which
 ; * is bigger than 32768, in signed 16 bit multiply, it become a negative
 ; * number.
 ; *        (x * (unsigned)35468 >> 16) = x * (signed)35468 >> 16 + x
 ; *
 ; **************************************************************************/
 
 
 ;void short_idct4x4llm_mmx(short *input, short *output, int pitch)
-global sym(vp8_short_idct4x4llm_mmx)
+global sym(vp8_short_idct4x4llm_mmx) PRIVATE
 sym(vp8_short_idct4x4llm_mmx):
     push        rbp
     mov         rbp, rsp
     SHADOW_ARGS_TO_STACK 3
     GET_GOT     rbx
     ; end prolog
 
         mov         rax,            arg(0) ;input
         mov         rdx,            arg(1) ;output
 
@@ skipping 131 matching lines @@
         movq        [rdx+rax*2],    mm5
 
     ; begin epilog
     RESTORE_GOT
     UNSHADOW_ARGS
     pop         rbp
     ret
 
 
 ;void short_idct4x4llm_1_mmx(short *input, short *output, int pitch)
-global sym(vp8_short_idct4x4llm_1_mmx)
+global sym(vp8_short_idct4x4llm_1_mmx) PRIVATE
 sym(vp8_short_idct4x4llm_1_mmx):
     push        rbp
     mov         rbp, rsp
     SHADOW_ARGS_TO_STACK 3
     GET_GOT     rbx
     ; end prolog
 
         mov         rax,            arg(0) ;input
         movd        mm0,            [rax]
 
@@ skipping 15 matching lines @@
         movq        [rdx+rax*2],    mm0
 
 
     ; begin epilog
     RESTORE_GOT
     UNSHADOW_ARGS
     pop         rbp
     ret
 
 ;void vp8_dc_only_idct_add_mmx(short input_dc, unsigned char *pred_ptr, unsigned char *dst_ptr, int pitch, int stride)
-global sym(vp8_dc_only_idct_add_mmx)
+global sym(vp8_dc_only_idct_add_mmx) PRIVATE
 sym(vp8_dc_only_idct_add_mmx):
     push        rbp
     mov         rbp, rsp
     SHADOW_ARGS_TO_STACK 5
     GET_GOT     rbx
     push        rsi
     push        rdi
     ; end prolog
 
         mov         rsi,            arg(1) ;s -- prediction
@@ skipping 48 matching lines @@
 SECTION_RODATA
 align 16
 x_s1sqr2:
     times 4 dw 0x8A8C
 align 16
 x_c1sqr2less1:
     times 4 dw 0x4E7B
 align 16
 fours:
     times 4 dw 0x0004