| # |
| # setjmp.S |
| # |
| |
| # |
| # The jmp_buf looks like: |
| # |
| # s0..5 |
| # fp |
| # ra |
| # gp |
| # sp |
| # |
| |
| #include <machine/asm.h> |
| |
| .text |
| .align 3 |
| .type setjmp,@function |
| .ent setjmp, 0 |
| .globl setjmp |
| setjmp: |
| lda v0, 0(zero) |
| stq s0, 0(a0) |
| stq s1, 8(a0) |
| stq s2, 16(a0) |
| stq s3, 24(a0) |
| stq s4, 32(a0) |
| stq s5, 40(a0) |
| stq fp, 48(a0) |
| stq ra, 56(a0) |
| stq gp, 64(a0) |
| stq sp, 72(a0) |
| stt $f2, 80(a0) |
| stt $f3, 88(a0) |
| stt $f4, 96(a0) |
| stt $f5, 104(a0) |
| stt $f6, 112(a0) |
| stt $f7, 120(a0) |
| stt $f8, 128(a0) |
| stt $f9, 136(a0) |
| ret zero,(ra),1 |
| |
| .size setjmp,.-setjmp |
| .end setjmp |
| |
| .type longjmp,@function |
| .ent longjmp, 0 |
| .globl longjmp |
| longjmp: |
| mov a1, v0 |
| ldq s0, 0(a0) |
| ldq s1, 8(a0) |
| ldq s2, 16(a0) |
| ldq s3, 24(a0) |
| ldq s4, 32(a0) |
| ldq s5, 40(a0) |
| ldq fp, 48(a0) |
| ldq ra, 56(a0) |
| ldq gp, 64(a0) |
| ldq sp, 72(a0) |
| ldt $f2, 80(a0) |
| ldt $f3, 88(a0) |
| ldt $f4, 96(a0) |
| ldt $f5, 104(a0) |
| ldt $f6, 112(a0) |
| ldt $f7, 120(a0) |
| ldt $f8, 128(a0) |
| ldt $f9, 136(a0) |
| /* We're bound to get a mispredict here, but at least give us |
| a chance to get the return stack back in sync... */ |
| ret zero,(ra),1 |
| |
| .size longjmp,.-longjmp |
| .end longjmp |
| |
| |
