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Diffstat (limited to 'lib/libstand/alpha/_setjmp.S')
| -rw-r--r-- | lib/libstand/alpha/_setjmp.S | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/lib/libstand/alpha/_setjmp.S b/lib/libstand/alpha/_setjmp.S deleted file mode 100644 index 1587978..0000000 --- a/lib/libstand/alpha/_setjmp.S +++ /dev/null @@ -1,120 +0,0 @@ -/* $NetBSD: _setjmp.S,v 1.2 1996/10/17 03:08:03 cgd Exp $ */ -/* $FreeBSD$ */ - -/* - * Copyright (c) 1994, 1995 Carnegie-Mellon University. - * All rights reserved. - * - * Author: Chris G. Demetriou - * - * Permission to use, copy, modify and distribute this software and - * its documentation is hereby granted, provided that both the copyright - * notice and this permission notice appear in all copies of the - * software, derivative works or modified versions, and any portions - * thereof, and that both notices appear in supporting documentation. - * - * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" - * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND - * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. - * - * Carnegie Mellon requests users of this software to return to - * - * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU - * School of Computer Science - * Carnegie Mellon University - * Pittsburgh PA 15213-3890 - * - * any improvements or extensions that they make and grant Carnegie the - * rights to redistribute these changes. - */ - -#include <machine/asm.h> - -/* - * C library -- _setjmp, _longjmp - * - * _longjmp(a,v) - * will generate a "return(v)" from - * the last call to - * _setjmp(a) - * by restoring registers from the stack, - * The previous signal state is NOT restored. - */ - - .set noreorder - -LEAF(_setjmp, 1) - LDGP(pv) - stq ra, (2 * 8)(a0) /* sc_pc = return address */ - stq s0, (( 9 + 4) * 8)(a0) /* saved bits of sc_regs */ - stq s1, ((10 + 4) * 8)(a0) - stq s2, ((11 + 4) * 8)(a0) - stq s3, ((12 + 4) * 8)(a0) - stq s4, ((13 + 4) * 8)(a0) - stq s5, ((14 + 4) * 8)(a0) - stq s6, ((15 + 4) * 8)(a0) - stq ra, ((26 + 4) * 8)(a0) - stq sp, ((30 + 4) * 8)(a0) - ldiq t0, 0xacedbadd /* sigcontext magic number */ - stq t0, ((31 + 4) * 8)(a0) /* magic in sc_regs[31] */ - /* Too bad we can't check if we actually used FP */ - ldiq t0, 1 - stq t0, (36 * 8)(a0) /* say we've used FP. */ -#if 0 - stt fs0, ((2 + 37) * 8)(a0) /* saved bits of sc_fpregs */ - stt fs1, ((3 + 37) * 8)(a0) - stt fs2, ((4 + 37) * 8)(a0) - stt fs3, ((5 + 37) * 8)(a0) - stt fs4, ((6 + 37) * 8)(a0) - stt fs5, ((7 + 37) * 8)(a0) - stt fs6, ((8 + 37) * 8)(a0) - stt fs7, ((9 + 37) * 8)(a0) - mf_fpcr ft0 /* get FP control reg */ - stt ft0, (69 * 8)(a0) /* and store it in sc_fpcr */ - stq zero, (70 * 8)(a0) /* FP software control XXX */ -#endif - stq zero, (71 * 8)(a0) /* sc_reserved[0] */ - stq zero, (72 * 8)(a0) /* sc_reserved[1] */ - stq zero, (73 * 8)(a0) /* sc_xxx[0] */ - stq zero, (74 * 8)(a0) /* sc_xxx[1] */ - stq zero, (75 * 8)(a0) /* sc_xxx[2] */ - stq zero, (76 * 8)(a0) /* sc_xxx[3] */ - stq zero, (77 * 8)(a0) /* sc_xxx[4] */ - stq zero, (78 * 8)(a0) /* sc_xxx[5] */ - stq zero, (79 * 8)(a0) /* sc_xxx[6] */ - stq zero, (80 * 8)(a0) /* sc_xxx[7] */ - - mov zero, v0 /* return zero */ - RET -END(_setjmp) - -LEAF(_longjmp, 2) - LDGP(pv) - - ldq ra, (2 * 8)(a0) /* sc_pc = return address */ - ldq s0, (( 9 + 4) * 8)(a0) /* saved bits of sc_regs */ - ldq s1, ((10 + 4) * 8)(a0) - ldq s2, ((11 + 4) * 8)(a0) - ldq s3, ((12 + 4) * 8)(a0) - ldq s4, ((13 + 4) * 8)(a0) - ldq s5, ((14 + 4) * 8)(a0) - ldq s6, ((15 + 4) * 8)(a0) - /* ldq ra, ((26 + 4) * 8)(a0) set above */ - ldq sp, ((30 + 4) * 8)(a0) -#if 0 - ldt fs0, ((2 + 37) * 8)(a0) /* saved bits of sc_fpregs */ - ldt fs1, ((3 + 37) * 8)(a0) - ldt fs2, ((4 + 37) * 8)(a0) - ldt fs3, ((5 + 37) * 8)(a0) - ldt fs4, ((6 + 37) * 8)(a0) - ldt fs5, ((7 + 37) * 8)(a0) - ldt fs6, ((8 + 37) * 8)(a0) - ldt fs7, ((9 + 37) * 8)(a0) - ldt ft0, (69 * 8)(a0) /* get sc_fpcr */ - mt_fpcr ft0 /* and restore it. */ -#endif - - mov a1, v0 /* return second arg */ - RET - -END(_longjmp) |
