__longjmp.S 2.9 KB

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091
  1. /* longjmp for PowerPC and PowerPC e500.
  2. Copyright (C) 1995, 1996, 1997, 1999, 2000, 2004
  3. Free Software Foundation, Inc.
  4. e500 contributed by Aldy Hernandez <aldyh@redhat.com>.
  5. This file is part of the GNU C Library.
  6. The GNU C Library is free software; you can redistribute it and/or
  7. modify it under the terms of the GNU Lesser General Public
  8. License as published by the Free Software Foundation; either
  9. version 2.1 of the License, or (at your option) any later version.
  10. The GNU C Library is distributed in the hope that it will be useful,
  11. but WITHOUT ANY WARRANTY; without even the implied warranty of
  12. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  13. Lesser General Public License for more details.
  14. You should have received a copy of the GNU Lesser General Public
  15. License along with the GNU C Library; if not, see
  16. <http://www.gnu.org/licenses/>. */
  17. #include <features.h>
  18. #include "ppc_asm.h"
  19. #include <jmpbuf-offsets.h>
  20. #if defined __UCLIBC_HAS_FLOATS__ && ! defined __UCLIBC_HAS_SOFT_FLOAT__
  21. #define FP(x...) x
  22. #else
  23. #define FP(x...)
  24. #endif
  25. #if defined __CONFIG_E500__
  26. #define LFD(reg) evldd r##reg
  27. #define STFD(reg) evstdd r##reg
  28. #else
  29. #define LFD(reg) lfd fp##reg
  30. #define STFD(reg) stfd fp##reg
  31. #endif /* __CONFIG_E500__ */
  32. .globl __longjmp;
  33. .type __longjmp, @function;
  34. .align 2;
  35. __longjmp:
  36. lwz r1,(JB_GPR1*4)(r3)
  37. lwz r2,(JB_GPR2*4)(r3)
  38. lwz r0,(JB_LR*4)(r3)
  39. lwz r14,((JB_GPRS+0)*4)(r3)
  40. FP( LFD (14),((JB_FPRS+0*2)*4)(r3))
  41. lwz r15,((JB_GPRS+1)*4)(r3)
  42. FP( LFD (15),((JB_FPRS+1*2)*4)(r3))
  43. lwz r16,((JB_GPRS+2)*4)(r3)
  44. FP( LFD (16),((JB_FPRS+2*2)*4)(r3))
  45. lwz r17,((JB_GPRS+3)*4)(r3)
  46. FP( LFD (17),((JB_FPRS+3*2)*4)(r3))
  47. lwz r18,((JB_GPRS+4)*4)(r3)
  48. FP( LFD (18),((JB_FPRS+4*2)*4)(r3))
  49. lwz r19,((JB_GPRS+5)*4)(r3)
  50. FP( LFD (19),((JB_FPRS+5*2)*4)(r3))
  51. lwz r20,((JB_GPRS+6)*4)(r3)
  52. FP( LFD (20),((JB_FPRS+6*2)*4)(r3))
  53. mtlr r0
  54. lwz r21,((JB_GPRS+7)*4)(r3)
  55. FP( LFD (21),((JB_FPRS+7*2)*4)(r3))
  56. lwz r22,((JB_GPRS+8)*4)(r3)
  57. FP( LFD (22),((JB_FPRS+8*2)*4)(r3))
  58. lwz r0,(JB_CR*4)(r3)
  59. lwz r23,((JB_GPRS+9)*4)(r3)
  60. FP( LFD (23),((JB_FPRS+9*2)*4)(r3))
  61. lwz r24,((JB_GPRS+10)*4)(r3)
  62. FP( LFD (24),((JB_FPRS+10*2)*4)(r3))
  63. lwz r25,((JB_GPRS+11)*4)(r3)
  64. FP( LFD (25),((JB_FPRS+11*2)*4)(r3))
  65. mtcrf 0xFF,r0
  66. lwz r26,((JB_GPRS+12)*4)(r3)
  67. FP( LFD (26),((JB_FPRS+12*2)*4)(r3))
  68. lwz r27,((JB_GPRS+13)*4)(r3)
  69. FP( LFD (27),((JB_FPRS+13*2)*4)(r3))
  70. lwz r28,((JB_GPRS+14)*4)(r3)
  71. FP( LFD (28),((JB_FPRS+14*2)*4)(r3))
  72. lwz r29,((JB_GPRS+15)*4)(r3)
  73. FP( LFD (29),((JB_FPRS+15*2)*4)(r3))
  74. lwz r30,((JB_GPRS+16)*4)(r3)
  75. FP( LFD (30),((JB_FPRS+16*2)*4)(r3))
  76. lwz r31,((JB_GPRS+17)*4)(r3)
  77. FP( LFD (31),((JB_FPRS+17*2)*4)(r3))
  78. mr r3,r4
  79. blr
  80. .size __longjmp,.-__longjmp
  81. libc_hidden_def(__longjmp)