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mcount.S

mcount.S 844 B
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  1. /*
    2. 

  2.  * Copyright IBM Corp. 2008
    3. 

  3.  *
    4. 

  4.  *   Author(s): Heiko Carstens <heiko.carstens@de.ibm.com>,
    5. 

  5.  *
    6. 

  6.  */
    7. 

  7. 

  8. #ifndef CONFIG_64BIT
    9. 

  9. .globl _mcount
    10. 

  10. _mcount:
    11. 

  11. 	stm	%r0,%r5,8(%r15)
    12. 

  12. 	st	%r14,56(%r15)
    13. 

  13. 	lr	%r1,%r15
    14. 

  14. 	ahi	%r15,-96
    15. 

  15. 	l	%r3,100(%r15)
    16. 

  16. 	la	%r2,0(%r14)
    17. 

  17. 	st	%r1,0(%r15)
    18. 

  18. 	la	%r3,0(%r3)
    19. 

  19. 	bras	%r14,0f
    20. 

  20. 	.long	ftrace_trace_function
    21. 

  21. 0:	l	%r14,0(%r14)
    22. 

  22. 	l	%r14,0(%r14)
    23. 

  23. 	basr	%r14,%r14
    24. 

  24. 	ahi	%r15,96
    25. 

  25. 	lm	%r0,%r5,8(%r15)
    26. 

  26. 	l	%r14,56(%r15)
    27. 

  27. 	br	%r14
    28. 

  28. 

  29. .globl ftrace_stub
    30. 

  30. ftrace_stub:
    31. 

  31. 	br	%r14
    32. 

  32. 

  33. #else /* CONFIG_64BIT */
    34. 

  34. 

  35. .globl _mcount
    36. 

  36. _mcount:
    37. 

  37. 	stmg	%r0,%r5,16(%r15)
    38. 

  38. 	stg	%r14,112(%r15)
    39. 

  39. 	lgr	%r1,%r15
    40. 

  40. 	aghi	%r15,-160
    41. 

  41. 	stg	%r1,0(%r15)
    42. 

  42. 	lgr	%r2,%r14
    43. 

  43. 	lg	%r3,168(%r15)
    44. 

  44. 	larl	%r14,ftrace_trace_function
    45. 

  45. 	lg	%r14,0(%r14)
    46. 

  46. 	basr	%r14,%r14
    47. 

  47. 	aghi	%r15,160
    48. 

  48. 	lmg	%r0,%r5,16(%r15)
    49. 

  49. 	lg	%r14,112(%r15)
    50. 

  50. 	br	%r14
    51. 

  51. 

  52. .globl ftrace_stub
    53. 

  53. ftrace_stub:
    54. 

  54. 	br	%r14
    55. 

  55. 

  56. #endif /* CONFIG_64BIT */
    57.