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inferno-os
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lib9
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lock-Solaris-386.s

lock-Solaris-386.s 830 B
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  1. 	.section	.bss
    2. 

  2. 	.align	4
    3. 

  3. .L4_.bss:
    4. 

  4. 	.align	4
    5. 

  5. Solaris_Asm_IntP: / Offset 0
    6. 

  6. 	.type	Solaris_Asm_IntP,@object
    7. 

  7. 	.size	Solaris_Asm_IntP,4
    8. 

  8. 	.set	.,.+4
    9. 

  9. Solaris_Asm_VoidP: / Offset 4
    10. 

  10. 	.type	Solaris_Asm_VoidP,@object
    11. 

  11. 	.size	Solaris_Asm_VoidP,4
    12. 

  12. 	.set	.,.+4
    13. 

  13. 	.section	.data
    14. 

  14. 	.align	4
    15. 

  15. .L2_.data:
    16. 

  16. 	.align	4
    17. 

  17. .L01:	.string	"canlock corrupted 0x%lux\n\000"
    18. 

  18. 	.set	.,.+0x2
    19. 

  19. 	.section	.text
    20. 

  20. 	.align	4
    21. 

  21. .L1_.text:
    22. 

  22. 

  23. 	.align	4
    24. 

  24. 	.align	4
    25. 

  25. 	.globl	canlock
    26. 

  26. canlock:
    27. 

  27. 	pushl	%ebp
    28. 

  28. 	movl	%esp,%ebp
    29. 

  29. 	pushl	%esi
    30. 

  30. 	movl	8(%ebp),%eax
    31. 

  31. 	movl	%eax,Solaris_Asm_IntP
    32. 

  32. 	movl	$1, %ecx
    33. 

  33. 	xchg	(%eax), %ecx
    34. 

  34. 	andl	%ecx,%ecx
    35. 

  35. 	jne	.L1
    36. 

  36. 	movl	$1,%esi
    37. 

  37. 	jmp	.L2
    38. 

  38. 	.align	4
    39. 

  39. .L3:
    40. 

  40. 	subl	%esi,%esi
    41. 

  41. 	jmp	.L2
    42. 

  42. 	.align	4
    43. 

  43. .L1:
    44. 

  44. 	cmpl	$1,%ecx
    45. 

  45. 	je	.L3
    46. 

  46. 	pushl	%ecx
    47. 

  47. 	pushl	$.L01
    48. 

  48. 	call	print
    49. 

  49. 	addl	$8,%esp
    50. 

  50. .L2:
    51. 

  51. 	movl	%esi,%eax
    52. 

  52. 	popl	%esi
    53. 

  53. 	leave	
    54. 

  54. 	ret	
    55. 

  55. 	.type	canlock,@function
    56. 

  56. 	.size	canlock,.-canlock
    57.