127 lines
2.5 KiB
ArmAsm
127 lines
2.5 KiB
ArmAsm
# setjmp/longjmp for Frv. The jmpbuf looks like this:
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#
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# Register jmpbuf offset
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# R16-R31 0x0-0x03c
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# R48-R63 0x40-0x7c
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# FR16-FR31 0x80-0xbc
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# FR48-FR63 0xc0-0xfc
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# LR 0x100
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# SP 0x104
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# FP 0x108
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#
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# R8 contains the pointer to jmpbuf
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#include <frv-asm.h>
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.text
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.global EXT(setjmp)
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.type EXT(setjmp),@function
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EXT(setjmp):
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stdi gr16, @(gr8,0)
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stdi gr18, @(gr8,8)
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stdi gr20, @(gr8,16)
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stdi gr22, @(gr8,24)
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stdi gr24, @(gr8,32)
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stdi gr26, @(gr8,40)
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stdi gr28, @(gr8,48)
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stdi gr30, @(gr8,56)
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#if __FRV_GPR__ != 32
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stdi gr48, @(gr8,64)
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stdi gr50, @(gr8,72)
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stdi gr52, @(gr8,80)
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stdi gr54, @(gr8,88)
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stdi gr56, @(gr8,96)
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stdi gr58, @(gr8,104)
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stdi gr60, @(gr8,112)
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stdi gr62, @(gr8,120)
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#endif
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#if __FRV_FPR__ != 0
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stdfi fr16, @(gr8,128)
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stdfi fr18, @(gr8,136)
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stdfi fr20, @(gr8,144)
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stdfi fr22, @(gr8,152)
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stdfi fr24, @(gr8,160)
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stdfi fr26, @(gr8,168)
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stdfi fr28, @(gr8,176)
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stdfi fr30, @(gr8,184)
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#if __FRV_FPR__ != 32
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stdfi fr48, @(gr8,192)
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stdfi fr50, @(gr8,200)
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stdfi fr52, @(gr8,208)
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stdfi fr54, @(gr8,216)
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stdfi fr56, @(gr8,224)
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stdfi fr58, @(gr8,232)
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stdfi fr60, @(gr8,240)
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stdfi fr62, @(gr8,248)
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#endif
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#endif
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movsg lr, gr4
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sti gr4, @(gr8,256)
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sti sp, @(gr8,260)
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sti fp, @(gr8,264)
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mov gr0,gr8
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ret
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.Lend1:
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.size EXT(setjmp),.Lend1-EXT(setjmp)
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.global EXT(longjmp)
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.type EXT(longjmp),@function
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EXT(longjmp):
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lddi @(gr8,0), gr16
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lddi @(gr8,8), gr18
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lddi @(gr8,16), gr20
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lddi @(gr8,24), gr22
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lddi @(gr8,32), gr24
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lddi @(gr8,40), gr26
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lddi @(gr8,48), gr28
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lddi @(gr8,56), gr30
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#if __FRV_GPR__ != 32
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lddi @(gr8,64), gr48
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lddi @(gr8,72), gr50
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lddi @(gr8,80), gr52
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lddi @(gr8,88), gr54
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lddi @(gr8,96), gr56
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lddi @(gr8,104), gr58
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lddi @(gr8,112), gr60
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lddi @(gr8,120), gr62
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#endif
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#if __FRV_FPR__ != 0
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lddfi @(gr8,128), fr16
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lddfi @(gr8,136), fr18
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lddfi @(gr8,144), fr20
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lddfi @(gr8,152), fr22
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lddfi @(gr8,160), fr24
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lddfi @(gr8,168), fr26
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lddfi @(gr8,176), fr28
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lddfi @(gr8,184), fr30
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#if __FRV_FPR__ != 32
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lddfi @(gr8,192), fr48
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lddfi @(gr8,200), fr50
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lddfi @(gr8,208), fr52
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lddfi @(gr8,216), fr54
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lddfi @(gr8,224), fr56
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lddfi @(gr8,232), fr58
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lddfi @(gr8,240), fr60
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lddfi @(gr8,248), fr62
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#endif
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#endif
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ldi @(gr8,256), gr4
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movgs gr4,lr
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ldi @(gr8,260), sp
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ldi @(gr8,264), fp
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# Value to return is in r9. If zero, return 1
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cmp gr9, gr0, icc0
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setlos #1, gr8
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ckne icc0, cc4
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cmov gr9, gr8, cc4, 1
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ret
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.Lend2:
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.size EXT(longjmp),.Lend2-EXT(longjmp)
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