setjmp.S 2.0 KB

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  1. /* setjmp for RISC-V.
  2. Copyright (C) 1996-2018 Free Software Foundation, Inc.
  3. The GNU C Library is free software; you can redistribute it and/or
  4. modify it under the terms of the GNU Lesser General Public
  5. License as published by the Free Software Foundation; either
  6. version 2.1 of the License, or (at your option) any later version.
  7. The GNU C Library is distributed in the hope that it will be useful,
  8. but WITHOUT ANY WARRANTY; without even the implied warranty of
  9. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  10. Lesser General Public License for more details.
  11. You should have received a copy of the GNU Lesser General Public
  12. License along with the GNU C Library. If not, see
  13. <http://www.gnu.org/licenses/>. */
  14. #include <sysdep.h>
  15. #include <sys/asm.h>
  16. ENTRY (_setjmp)
  17. li a1, 0
  18. j HIDDEN_JUMPTARGET (__sigsetjmp)
  19. END (_setjmp)
  20. ENTRY (setjmp)
  21. li a1, 1
  22. /* Fallthrough */
  23. END (setjmp)
  24. ENTRY (__sigsetjmp)
  25. REG_S ra, 0*SZREG(a0)
  26. REG_S s0, 1*SZREG(a0)
  27. REG_S s1, 2*SZREG(a0)
  28. REG_S s2, 3*SZREG(a0)
  29. REG_S s3, 4*SZREG(a0)
  30. REG_S s4, 5*SZREG(a0)
  31. REG_S s5, 6*SZREG(a0)
  32. REG_S s6, 7*SZREG(a0)
  33. REG_S s7, 8*SZREG(a0)
  34. REG_S s8, 9*SZREG(a0)
  35. REG_S s9, 10*SZREG(a0)
  36. REG_S s10,11*SZREG(a0)
  37. REG_S s11,12*SZREG(a0)
  38. REG_S sp, 13*SZREG(a0)
  39. #ifndef __riscv_float_abi_soft
  40. FREG_S fs0, 14*SZREG+ 0*SZFREG(a0)
  41. FREG_S fs1, 14*SZREG+ 1*SZFREG(a0)
  42. FREG_S fs2, 14*SZREG+ 2*SZFREG(a0)
  43. FREG_S fs3, 14*SZREG+ 3*SZFREG(a0)
  44. FREG_S fs4, 14*SZREG+ 4*SZFREG(a0)
  45. FREG_S fs5, 14*SZREG+ 5*SZFREG(a0)
  46. FREG_S fs6, 14*SZREG+ 6*SZFREG(a0)
  47. FREG_S fs7, 14*SZREG+ 7*SZFREG(a0)
  48. FREG_S fs8, 14*SZREG+ 8*SZFREG(a0)
  49. FREG_S fs9, 14*SZREG+ 9*SZFREG(a0)
  50. FREG_S fs10,14*SZREG+10*SZFREG(a0)
  51. FREG_S fs11,14*SZREG+11*SZFREG(a0)
  52. #endif
  53. #if !IS_IN_libc && IS_IN_rtld
  54. /* In ld.so we never save the signal mask. */
  55. li a0, 0
  56. ret
  57. #else
  58. /* Make a tail call to __sigjmp_save; it takes the same args. */
  59. j __sigjmp_save
  60. #endif
  61. END (__sigsetjmp)
  62. hidden_def (__sigsetjmp)
  63. weak_alias (_setjmp, __GI__setjmp)