| 1 | .global __setjmp |
| 2 | .global _setjmp |
| 3 | .global setjmp |
| 4 | .type __setjmp,@function |
| 5 | .type _setjmp,@function |
| 6 | .type setjmp,@function |
| 7 | __setjmp: |
| 8 | _setjmp: |
| 9 | setjmp: |
| 10 | ld 5, 24(1) # load from the TOC slot in the caller's stack frame |
| 11 | b __setjmp_toc |
| 12 | |
| 13 | .localentry __setjmp,.-__setjmp |
| 14 | .localentry _setjmp,.-_setjmp |
| 15 | .localentry setjmp,.-setjmp |
| 16 | mr 5, 2 |
| 17 | |
| 18 | .global __setjmp_toc |
| 19 | .hidden __setjmp_toc |
| 20 | # same as normal setjmp, except TOC pointer to save is provided in r5. |
| 21 | # r4 would normally be the 2nd parameter, but we're using r5 to simplify calling from sigsetjmp. |
| 22 | # solves the problem of knowing whether to save the TOC pointer from r2 or the caller's stack frame. |
| 23 | __setjmp_toc: |
| 24 | # 0) store IP into 0, then into the jmpbuf pointed to by r3 (first arg) |
| 25 | mflr 0 |
| 26 | std 0, 0*8(3) |
| 27 | # 1) store cr |
| 28 | mfcr 0 |
| 29 | std 0, 1*8(3) |
| 30 | # 2) store SP and TOC |
| 31 | std 1, 2*8(3) |
| 32 | std 5, 3*8(3) |
| 33 | # 3) store r14-31 |
| 34 | std 14, 4*8(3) |
| 35 | std 15, 5*8(3) |
| 36 | std 16, 6*8(3) |
| 37 | std 17, 7*8(3) |
| 38 | std 18, 8*8(3) |
| 39 | std 19, 9*8(3) |
| 40 | std 20, 10*8(3) |
| 41 | std 21, 11*8(3) |
| 42 | std 22, 12*8(3) |
| 43 | std 23, 13*8(3) |
| 44 | std 24, 14*8(3) |
| 45 | std 25, 15*8(3) |
| 46 | std 26, 16*8(3) |
| 47 | std 27, 17*8(3) |
| 48 | std 28, 18*8(3) |
| 49 | std 29, 19*8(3) |
| 50 | std 30, 20*8(3) |
| 51 | std 31, 21*8(3) |
| 52 | # 4) store floating point registers f14-f31 |
| 53 | stfd 14, 22*8(3) |
| 54 | stfd 15, 23*8(3) |
| 55 | stfd 16, 24*8(3) |
| 56 | stfd 17, 25*8(3) |
| 57 | stfd 18, 26*8(3) |
| 58 | stfd 19, 27*8(3) |
| 59 | stfd 20, 28*8(3) |
| 60 | stfd 21, 29*8(3) |
| 61 | stfd 22, 30*8(3) |
| 62 | stfd 23, 31*8(3) |
| 63 | stfd 24, 32*8(3) |
| 64 | stfd 25, 33*8(3) |
| 65 | stfd 26, 34*8(3) |
| 66 | stfd 27, 35*8(3) |
| 67 | stfd 28, 36*8(3) |
| 68 | stfd 29, 37*8(3) |
| 69 | stfd 30, 38*8(3) |
| 70 | stfd 31, 39*8(3) |
| 71 | |
| 72 | # 5) store vector registers v20-v31 |
| 73 | addi 3, 3, 40*8 |
| 74 | stvx 20, 0, 3 ; addi 3, 3, 16 |
| 75 | stvx 21, 0, 3 ; addi 3, 3, 16 |
| 76 | stvx 22, 0, 3 ; addi 3, 3, 16 |
| 77 | stvx 23, 0, 3 ; addi 3, 3, 16 |
| 78 | stvx 24, 0, 3 ; addi 3, 3, 16 |
| 79 | stvx 25, 0, 3 ; addi 3, 3, 16 |
| 80 | stvx 26, 0, 3 ; addi 3, 3, 16 |
| 81 | stvx 27, 0, 3 ; addi 3, 3, 16 |
| 82 | stvx 28, 0, 3 ; addi 3, 3, 16 |
| 83 | stvx 29, 0, 3 ; addi 3, 3, 16 |
| 84 | stvx 30, 0, 3 ; addi 3, 3, 16 |
| 85 | stvx 31, 0, 3 |
| 86 | |
| 87 | # 6) return 0 |
| 88 | li 3, 0 |
| 89 | blr |