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- #define _SETJMP_H
- #define _ASM
- #include <bits/setjmp.h>
- # setjmp/longjmp for Frv. The jmpbuf looks like this:
- #
- # Register jmpbuf offset
- # R16-R31 0x0-0x03c
- # R48-R63 0x40-0x7c
- # FR16-FR31 0x80-0xbc
- # FR48-FR63 0xc0-0xfc
- # LR 0x100
- # SP 0x104
- # FP 0x108
- #
- # R8 contains the pointer to jmpbuf
- .text
- .global __longjmp
- .type __longjmp,@function
- __longjmp:
- lddi @(gr8,0), gr16
- lddi @(gr8,8), gr18
- lddi @(gr8,16), gr20
- lddi @(gr8,24), gr22
- lddi @(gr8,32), gr24
- lddi @(gr8,40), gr26
- lddi @(gr8,48), gr28
- lddi @(gr8,56), gr30
- #if __FRV_GPR__ != 32
- lddi @(gr8,64), gr48
- lddi @(gr8,72), gr50
- lddi @(gr8,80), gr52
- lddi @(gr8,88), gr54
- lddi @(gr8,96), gr56
- lddi @(gr8,104), gr58
- lddi @(gr8,112), gr60
- lddi @(gr8,120), gr62
- #endif
- #if __FRV_FPR__ != 0
- lddfi @(gr8,128), fr16
- lddfi @(gr8,136), fr18
- lddfi @(gr8,144), fr20
- lddfi @(gr8,152), fr22
- lddfi @(gr8,160), fr24
- lddfi @(gr8,168), fr26
- lddfi @(gr8,176), fr28
- lddfi @(gr8,184), fr30
- #if __FRV_FPR__ != 32
- lddfi @(gr8,192), fr48
- lddfi @(gr8,200), fr50
- lddfi @(gr8,208), fr52
- lddfi @(gr8,216), fr54
- lddfi @(gr8,224), fr56
- lddfi @(gr8,232), fr58
- lddfi @(gr8,240), fr60
- lddfi @(gr8,248), fr62
- #endif
- #endif
- ldi @(gr8,256), gr4
- movgs gr4,lr
- ldi @(gr8,260), sp
- ldi @(gr8,264), fp
-
- # Value to return is in r9. If zero, return 1
- cmp gr9, gr0, icc0
- setlos #1, gr8
- ckne icc0, cc4
- cmov gr9, gr8, cc4, 1
- ret
- .Lend2:
- .size __longjmp,.Lend2-__longjmp
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