/* * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org> * * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. */ # 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 libc_hidden_def(__longjmp)