__longjmp.S 1.9 KB

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  1. /* longjmp for ARM.
  2. Copyright (C) 1997, 1998 Free Software Foundation, Inc.
  3. This file is part of the GNU C Library.
  4. The GNU C Library is free software; you can redistribute it and/or
  5. modify it under the terms of the GNU Lesser General Public
  6. License as published by the Free Software Foundation; either
  7. version 2.1 of the License, or (at your option) any later version.
  8. The GNU C Library is distributed in the hope that it will be useful,
  9. but WITHOUT ANY WARRANTY; without even the implied warranty of
  10. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  11. Lesser General Public License for more details.
  12. You should have received a copy of the GNU Lesser General Public
  13. License along with the GNU C Library; if not, write to the Free
  14. Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  15. 02111-1307 USA. */
  16. #include <features.h>
  17. #define _SETJMP_H
  18. #define _ASM
  19. #include <bits/setjmp.h>
  20. .global __longjmp
  21. .type __longjmp,%function
  22. .align 4
  23. __longjmp:
  24. mov ip, r0 /* save jmp_buf pointer */
  25. movs r0, r1 /* get the return value in place */
  26. moveq r0, #1 /* can't let setjmp() return zero! */
  27. #if defined __UCLIBC_HAS_FLOATS__ && ! defined __UCLIBC_HAS_SOFT_FLOAT__
  28. # ifdef __MAVERICK__
  29. cfldrd mvd4, [ip], #8 ; nop
  30. cfldrd mvd5, [ip], #8 ; nop
  31. cfldrd mvd6, [ip], #8 ; nop
  32. cfldrd mvd7, [ip], #8 ; nop
  33. cfldrd mvd8, [ip], #8 ; nop
  34. cfldrd mvd9, [ip], #8 ; nop
  35. cfldrd mvd10, [ip], #8 ; nop
  36. cfldrd mvd11, [ip], #8 ; nop
  37. cfldrd mvd12, [ip], #8 ; nop
  38. cfldrd mvd13, [ip], #8 ; nop
  39. cfldrd mvd14, [ip], #8 ; nop
  40. cfldrd mvd15, [ip], #8
  41. # else
  42. lfmfd f4, 4, [ip] ! /* load the floating point regs */
  43. # endif
  44. #else
  45. # ifdef __MAVERICK__
  46. add ip, ip, #96 /* skip the FP registers */
  47. # else
  48. add ip, ip, #48 /* skip the FP registers */
  49. # endif
  50. #endif
  51. ldmia ip , {v1-v6, sl, fp, sp, pc}
  52. .size __longjmp,.-__longjmp