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uclibc-ng
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libc
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sysdeps
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linux
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arm
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setjmp.S

setjmp.S 2.2 KB
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  1. /* setjmp for ARM.
    2. 

  2.    Copyright (C) 1997, 1998 Free Software Foundation, Inc.
    3. 

  3.    This file is part of the GNU C Library.
    4. 

  4. 

  5.    The GNU C Library is free software; you can redistribute it and/or
    6. 

  6.    modify it under the terms of the GNU Lesser General Public
    7. 

  7.    License as published by the Free Software Foundation; either
    8. 

  8.    version 2.1 of the License, or (at your option) any later version.
    9. 

  9. 

  10.    The GNU C Library is distributed in the hope that it will be useful,
    11. 

  11.    but WITHOUT ANY WARRANTY; without even the implied warranty of
    12. 

  12.    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    13. 

  13.    Lesser General Public License for more details.
    14. 

  14. 

  15.    You should have received a copy of the GNU Lesser General Public
    16. 

  16.    License along with the GNU C Library; if not, write to the Free
    17. 

  17.    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
    18. 

  18.    02111-1307 USA.  */
    19. 

  19. 

  20. #include <features.h>
    21. 

  21. 

  22. .global __sigsetjmp
    23. 

  23. .type __sigsetjmp,%function
    24. 

  24. .align 2
    25. 

  25. __sigsetjmp:
    26. 

  26. 	mov	ip, r0
    27. 

  27. 

  28. 	/* Save registers */
    29. 

  29. 	stmia	ip!, {v1-v6, sl, fp, sp, lr}
    30. 

  30. #if defined __UCLIBC_HAS_FLOATS__ && ! defined __UCLIBC_HAS_SOFT_FLOAT__
    31. 

  31. # ifdef __VFP_FP__
    32. 

  32. 	/* Store the VFP registers.  */
    33. 

  33. 	/* Following instruction is fstmiax ip!, {d8-d15}.  */
    34. 

  34. 	stc	p11, cr8, [r12], #68
    35. 

  35. 	/* Store the floating-point status register.  */
    36. 

  36. 	/* Following instruction is fmrx r2, fpscr.  */
    37. 

  37. 	mrc	p10, 7, r2, cr1, cr0, 0
    38. 

  38. 	str	r2, [ip], #4
    39. 

  39. # elif defined __MAVERICK__
    40. 

  40. 	cfstrd	mvd4,  [ip], #8 ; nop
    41. 

  41. 	cfstrd	mvd5,  [ip], #8 ; nop
    42. 

  42. 	cfstrd	mvd6,  [ip], #8 ; nop
    43. 

  43. 	cfstrd	mvd7,  [ip], #8 ; nop
    44. 

  44. 	cfstrd	mvd8,  [ip], #8 ; nop
    45. 

  45. 	cfstrd	mvd9,  [ip], #8 ; nop
    46. 

  46. 	cfstrd	mvd10, [ip], #8 ; nop
    47. 

  47. 	cfstrd	mvd11, [ip], #8 ; nop
    48. 

  48. 	cfstrd	mvd12, [ip], #8 ; nop
    49. 

  49. 	cfstrd	mvd13, [ip], #8 ; nop
    50. 

  50. 	cfstrd	mvd14, [ip], #8 ; nop
    51. 

  51. 	cfstrd	mvd15, [ip], #8
    52. 

  52. # else
    53. 

  53. 	sfmea   f4, 4, [ip]!
    54. 

  54. # endif
    55. 

  55. #endif
    56. 

  56. #ifdef __IWMMXT__
    57. 

  57. 	/* Save the call-preserved iWMMXt registers.  */
    58. 

  58. 	/* Following instructions are wstrd wr10, [ip], #8 (etc.)  */
    59. 

  59. 	stcl	p1, cr10, [r12], #8
    60. 

  60. 	stcl	p1, cr11, [r12], #8
    61. 

  61. 	stcl	p1, cr12, [r12], #8
    62. 

  62. 	stcl	p1, cr13, [r12], #8
    63. 

  63. 	stcl	p1, cr14, [r12], #8
    64. 

  64. 	stcl	p1, cr15, [r12], #8
    65. 

  65. #endif
    66. 

  66. 

  67. 	/* Make a tail call to __sigjmp_save; it takes the same args.  */
    68. 

  68. #ifdef __PIC__
    69. 

  69. 	B	__sigjmp_save(PLT)
    70. 

  70. #else
    71. 

  71. 	B	__sigjmp_save
    72. 

  72. #endif
    73. 

  73. 

  74. .size __sigsetjmp,.-__sigsetjmp
    75.