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TOMOYO Linux Cross Reference
Linux/tools/testing/selftests/powerpc/copyloops/copy_tofrom_user_reference.S

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  1 #include <asm/ppc_asm.h>
  2 
  3 _GLOBAL(copy_tofrom_user_reference)
  4         cmpdi   r5,0
  5         beq     4f
  6 
  7         mtctr   r5
  8 
  9 1:      lbz     r6,0(r4)
 10 2:      stb     r6,0(r3)
 11         addi    r3,r3,1
 12         addi    r4,r4,1
 13         bdnz    1b
 14 
 15 3:      mfctr   r3
 16         blr
 17 
 18 4:      mr      r3,r5
 19         blr
 20 
 21 .section __ex_table,"a"
 22         .llong  1b,3b
 23         .llong  2b,3b
 24 .text
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