| .global __setjmp |
| .global _setjmp |
| .global setjmp |
| .type __setjmp,@function |
| .type _setjmp,@function |
| .type setjmp,@function |
| __setjmp: |
| _setjmp: |
| setjmp: |
| ld 5, 24(1) # load from the TOC slot in the caller's stack frame |
| b __setjmp_toc |
| |
| .localentry __setjmp,.-__setjmp |
| .localentry _setjmp,.-_setjmp |
| .localentry setjmp,.-setjmp |
| mr 5, 2 |
| |
| .global __setjmp_toc |
| .hidden __setjmp_toc |
| # same as normal setjmp, except TOC pointer to save is provided in r5. |
| # r4 would normally be the 2nd parameter, but we're using r5 to simplify calling from sigsetjmp. |
| # solves the problem of knowing whether to save the TOC pointer from r2 or the caller's stack frame. |
| __setjmp_toc: |
| # 0) store IP into 0, then into the jmpbuf pointed to by r3 (first arg) |
| mflr 0 |
| std 0, 0*8(3) |
| # 1) store cr |
| mfcr 0 |
| std 0, 1*8(3) |
| # 2) store SP and TOC |
| std 1, 2*8(3) |
| std 5, 3*8(3) |
| # 3) store r14-31 |
| std 14, 4*8(3) |
| std 15, 5*8(3) |
| std 16, 6*8(3) |
| std 17, 7*8(3) |
| std 18, 8*8(3) |
| std 19, 9*8(3) |
| std 20, 10*8(3) |
| std 21, 11*8(3) |
| std 22, 12*8(3) |
| std 23, 13*8(3) |
| std 24, 14*8(3) |
| std 25, 15*8(3) |
| std 26, 16*8(3) |
| std 27, 17*8(3) |
| std 28, 18*8(3) |
| std 29, 19*8(3) |
| std 30, 20*8(3) |
| std 31, 21*8(3) |
| # 4) store floating point registers f14-f31 |
| stfd 14, 22*8(3) |
| stfd 15, 23*8(3) |
| stfd 16, 24*8(3) |
| stfd 17, 25*8(3) |
| stfd 18, 26*8(3) |
| stfd 19, 27*8(3) |
| stfd 20, 28*8(3) |
| stfd 21, 29*8(3) |
| stfd 22, 30*8(3) |
| stfd 23, 31*8(3) |
| stfd 24, 32*8(3) |
| stfd 25, 33*8(3) |
| stfd 26, 34*8(3) |
| stfd 27, 35*8(3) |
| stfd 28, 36*8(3) |
| stfd 29, 37*8(3) |
| stfd 30, 38*8(3) |
| stfd 31, 39*8(3) |
| |
| # 5) store vector registers v20-v31 |
| addi 3, 3, 40*8 |
| stvx 20, 0, 3 ; addi 3, 3, 16 |
| stvx 21, 0, 3 ; addi 3, 3, 16 |
| stvx 22, 0, 3 ; addi 3, 3, 16 |
| stvx 23, 0, 3 ; addi 3, 3, 16 |
| stvx 24, 0, 3 ; addi 3, 3, 16 |
| stvx 25, 0, 3 ; addi 3, 3, 16 |
| stvx 26, 0, 3 ; addi 3, 3, 16 |
| stvx 27, 0, 3 ; addi 3, 3, 16 |
| stvx 28, 0, 3 ; addi 3, 3, 16 |
| stvx 29, 0, 3 ; addi 3, 3, 16 |
| stvx 30, 0, 3 ; addi 3, 3, 16 |
| stvx 31, 0, 3 |
| |
| # 6) return 0 |
| li 3, 0 |
| blr |
