| 1 | TEXT incref(SB),$0 |
| 2 | MOVL l+0(FP),AX |
| 3 | LOCK |
| 4 | INCL 0(AX) |
| 5 | RET |
| 6 | |
| 7 | TEXT decref(SB),$0 |
| 8 | MOVL l+0(FP),AX |
| 9 | LOCK |
| 10 | DECL 0(AX) |
| 11 | JZ iszero |
| 12 | MOVL $1, AX |
| 13 | RET |
| 14 | iszero: |
| 15 | MOVL $0, AX |
| 16 | RET |
| 17 | |
| 18 | TEXT jumpureg(SB), 1, $0 |
| 19 | MOVL ureg+0(FP), AX /* ureg in AX */ |
| 20 | MOVL 68(AX), SP /* restore SP */ |
| 21 | SUBL $12, SP |
| 22 | MOVL 28(AX), BX /* put AX on 4(SP) */ |
| 23 | MOVL BX, 4(SP) |
| 24 | MOVL 56(AX), BX /* put PC on 8(SP) */ |
| 25 | MOVL BX, 8(SP) |
| 26 | MOVL 0(AX), DI /* restore registers */ |
| 27 | MOVL 4(AX), SI |
| 28 | MOVL 8(AX), BP |
| 29 | MOVL 16(AX), BX |
| 30 | MOVL 20(AX), DX |
| 31 | MOVL 24(AX), CX |
| 32 | MOVL 4(SP), AX /* restore AX */ |
| 33 | ADDL $8, SP |
| 34 | RET |
| 35 | |
| 36 | TEXT linux_sigreturn(SB), 1, $0 |
| 37 | MOVL $119, AX /* sys_sigreturn */ |
| 38 | INT $0x80 |
| 39 | RET |
| 40 | |
| 41 | TEXT linux_rtsigreturn(SB), 1, $0 |
| 42 | MOVL $173, AX /* sys_rt_sigreturn */ |
| 43 | INT $0x80 |
| 44 | RET |
| 45 | |
| 46 | TEXT get_ds(SB), 1, $0 |
| 47 | PUSHL DS |
| 48 | POPL AX |
| 49 | RET |
| 50 | TEXT get_cs(SB), 1, $0 |
| 51 | PUSHL CS |
| 52 | POPL AX |
| 53 | RET |