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sysdeps
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frv
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__longjmp.S

__longjmp.S 1.6 KB
Előzmények Nyers

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  1. /*
    2. 

  2.  * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
    3. 

  3.  *
    4. 

  4.  * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
    5. 

  5.  */
    6. 

  6. 

  7. #define _SETJMP_H
    8. 

  8. #define _ASM
    9. 

  9. #include <bits/setjmp.h>
    10. 

  10. 

  11. # setjmp/longjmp for Frv.  The jmpbuf looks like this:
    12. 

  12. #	
    13. 

  13. # Register	jmpbuf offset
    14. 

  14. # R16-R31	0x0-0x03c
    15. 

  15. # R48-R63	0x40-0x7c
    16. 

  16. # FR16-FR31     0x80-0xbc
    17. 

  17. # FR48-FR63     0xc0-0xfc
    18. 

  18. # LR            0x100
    19. 

  19. # SP            0x104
    20. 

  20. # FP            0x108
    21. 

  21. #
    22. 

  22. # R8 contains the pointer to jmpbuf
    23. 

  23. 

  24. 	.text
    25. 

  25. 	.global	__longjmp
    26. 

  26. 	.type	__longjmp,@function
    27. 

  27. __longjmp:
    28. 

  28. 	lddi	@(gr8,0), gr16
    29. 

  29. 	lddi	@(gr8,8), gr18
    30. 

  30. 	lddi 	@(gr8,16), gr20
    31. 

  31. 	lddi	@(gr8,24), gr22
    32. 

  32. 	lddi	@(gr8,32), gr24
    33. 

  33. 	lddi	@(gr8,40), gr26
    34. 

  34. 	lddi	@(gr8,48), gr28
    35. 

  35. 	lddi	@(gr8,56), gr30
    36. 

  36. #if __FRV_GPR__ != 32
    37. 

  37. 	lddi	@(gr8,64), gr48
    38. 

  38. 	lddi	@(gr8,72), gr50
    39. 

  39. 	lddi	@(gr8,80), gr52
    40. 

  40. 	lddi	@(gr8,88), gr54
    41. 

  41. 	lddi	@(gr8,96), gr56
    42. 

  42. 	lddi	@(gr8,104), gr58
    43. 

  43. 	lddi	@(gr8,112), gr60
    44. 

  44. 	lddi	@(gr8,120), gr62
    45. 

  45. #endif
    46. 

  46. 

  47. #if __FRV_FPR__ != 0
    48. 

  48. 	lddfi	@(gr8,128), fr16
    49. 

  49. 	lddfi	@(gr8,136), fr18
    50. 

  50. 	lddfi 	@(gr8,144), fr20
    51. 

  51. 	lddfi	@(gr8,152), fr22
    52. 

  52. 	lddfi	@(gr8,160), fr24
    53. 

  53. 	lddfi	@(gr8,168), fr26
    54. 

  54. 	lddfi	@(gr8,176), fr28
    55. 

  55. 	lddfi	@(gr8,184), fr30
    56. 

  56. #if __FRV_FPR__ != 32
    57. 

  57. 	lddfi	@(gr8,192), fr48
    58. 

  58. 	lddfi	@(gr8,200), fr50
    59. 

  59. 	lddfi	@(gr8,208), fr52
    60. 

  60. 	lddfi	@(gr8,216), fr54
    61. 

  61. 	lddfi	@(gr8,224), fr56
    62. 

  62. 	lddfi	@(gr8,232), fr58
    63. 

  63. 	lddfi	@(gr8,240), fr60
    64. 

  64. 	lddfi	@(gr8,248), fr62
    65. 

  65. #endif
    66. 

  66. #endif
    67. 

  67. 

  68.         ldi     @(gr8,256), gr4
    69. 

  69. 	movgs   gr4,lr
    70. 

  70. 

  71.         ldi     @(gr8,260), sp
    72. 

  72.         ldi     @(gr8,264), fp
    73. 

  73. 	
    74. 

  74. # Value to return is in r9.  If zero, return 1
    75. 

  75. 	cmp	gr9, gr0, icc0
    76. 

  76. 	setlos	#1, gr8
    77. 

  77. 	ckne	icc0, cc4
    78. 

  78. 	cmov	gr9, gr8, cc4, 1
    79. 

  79. 	ret
    80. 

  80. .Lend2:
    81. 

  81. 	.size	__longjmp,.Lend2-__longjmp
    82. 

  82. 

  83. libc_hidden_def(__longjmp)
    84.