__longjmp.S 3.0 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192
  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, write to the Free
  16. Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17. 02111-1307 USA. */
  18. #include <features.h>
  19. #include "ppc_asm.h"
  20. #include <jmpbuf-offsets.h>
  21. #if defined __UCLIBC_HAS_FLOATS__ && ! defined __UCLIBC_HAS_SOFT_FLOAT__
  22. #define FP(x...) x
  23. #else
  24. #define FP(x...)
  25. #endif
  26. #if defined __CONFIG_E500__
  27. #define LFD(reg) evldd r##reg
  28. #define STFD(reg) evstdd r##reg
  29. #else
  30. #define LFD(reg) lfd fp##reg
  31. #define STFD(reg) stfd fp##reg
  32. #endif /* __CONFIG_E500__ */
  33. .globl __longjmp;
  34. .type __longjmp, @function;
  35. .align 2;
  36. __longjmp:
  37. lwz r1,(JB_GPR1*4)(r3)
  38. lwz r2,(JB_GPR2*4)(r3)
  39. lwz r0,(JB_LR*4)(r3)
  40. lwz r14,((JB_GPRS+0)*4)(r3)
  41. FP( LFD (14),((JB_FPRS+0*2)*4)(r3))
  42. lwz r15,((JB_GPRS+1)*4)(r3)
  43. FP( LFD (15),((JB_FPRS+1*2)*4)(r3))
  44. lwz r16,((JB_GPRS+2)*4)(r3)
  45. FP( LFD (16),((JB_FPRS+2*2)*4)(r3))
  46. lwz r17,((JB_GPRS+3)*4)(r3)
  47. FP( LFD (17),((JB_FPRS+3*2)*4)(r3))
  48. lwz r18,((JB_GPRS+4)*4)(r3)
  49. FP( LFD (18),((JB_FPRS+4*2)*4)(r3))
  50. lwz r19,((JB_GPRS+5)*4)(r3)
  51. FP( LFD (19),((JB_FPRS+5*2)*4)(r3))
  52. lwz r20,((JB_GPRS+6)*4)(r3)
  53. FP( LFD (20),((JB_FPRS+6*2)*4)(r3))
  54. mtlr r0
  55. lwz r21,((JB_GPRS+7)*4)(r3)
  56. FP( LFD (21),((JB_FPRS+7*2)*4)(r3))
  57. lwz r22,((JB_GPRS+8)*4)(r3)
  58. FP( LFD (22),((JB_FPRS+8*2)*4)(r3))
  59. lwz r0,(JB_CR*4)(r3)
  60. lwz r23,((JB_GPRS+9)*4)(r3)
  61. FP( LFD (23),((JB_FPRS+9*2)*4)(r3))
  62. lwz r24,((JB_GPRS+10)*4)(r3)
  63. FP( LFD (24),((JB_FPRS+10*2)*4)(r3))
  64. lwz r25,((JB_GPRS+11)*4)(r3)
  65. FP( LFD (25),((JB_FPRS+11*2)*4)(r3))
  66. mtcrf 0xFF,r0
  67. lwz r26,((JB_GPRS+12)*4)(r3)
  68. FP( LFD (26),((JB_FPRS+12*2)*4)(r3))
  69. lwz r27,((JB_GPRS+13)*4)(r3)
  70. FP( LFD (27),((JB_FPRS+13*2)*4)(r3))
  71. lwz r28,((JB_GPRS+14)*4)(r3)
  72. FP( LFD (28),((JB_FPRS+14*2)*4)(r3))
  73. lwz r29,((JB_GPRS+15)*4)(r3)
  74. FP( LFD (29),((JB_FPRS+15*2)*4)(r3))
  75. lwz r30,((JB_GPRS+16)*4)(r3)
  76. FP( LFD (30),((JB_FPRS+16*2)*4)(r3))
  77. lwz r31,((JB_GPRS+17)*4)(r3)
  78. FP( LFD (31),((JB_FPRS+17*2)*4)(r3))
  79. mr r3,r4
  80. blr
  81. .size __longjmp,.-__longjmp
  82. libc_hidden_def(__longjmp)