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author | dfr <dfr@FreeBSD.org> | 2001-09-03 14:19:02 +0000 |
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committer | dfr <dfr@FreeBSD.org> | 2001-09-03 14:19:02 +0000 |
commit | b7b50a3fa3429550f242dbdd9897e59da3fc05ce (patch) | |
tree | cda4f8c2ec802852da477940412ff4c196790fc5 | |
parent | 3c48707476de97f838adbbe8557b6072a25927ad (diff) | |
download | FreeBSD-src-b7b50a3fa3429550f242dbdd9897e59da3fc05ce.zip FreeBSD-src-b7b50a3fa3429550f242dbdd9897e59da3fc05ce.tar.gz |
Remove bogus implementation of _setjmp/_longjmp
-rw-r--r-- | lib/libstand/ia64/_setjmp.S | 140 |
1 files changed, 0 insertions, 140 deletions
diff --git a/lib/libstand/ia64/_setjmp.S b/lib/libstand/ia64/_setjmp.S deleted file mode 100644 index a26e785..0000000 --- a/lib/libstand/ia64/_setjmp.S +++ /dev/null @@ -1,140 +0,0 @@ -/* $NetBSD: setjmp.S,v 1.3 1997/12/05 02:06:27 thorpej 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 "SYS.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, - * and the previous signal state. - */ - -ENTRY(_setjmp, 1) - mov ret0=r0 - br.ret.sptk.few rp - -#if 0 - 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) - - /* - * get signal information - */ - mov a0, s0 /* squirrel away ptr to sc */ - - /* see what's blocked */ - lda a2, (71 * 8)(a0) /* oset: sc_reserved */ - mov zero, a1 /* set: NULL */ - addq a1, 1, a0 /* how: SIG_BLOCK */ - PCALL(sigprocmask) /* see what's blocked */ - - lda sp, -24(sp) /* sizeof struct sigaltstack */ - mov zero, a0 - mov sp, a1 - PCALL(sigaltstack) - ldl t0, 16(sp) /* offset of ss_flags */ - lda sp, 24(sp) /* sizeof struct sigaltstack */ - ldq ra, ((26 + 4) * 8)(s0) /* restore return address */ - blt v0, botch /* check for error */ - and t0, 0x1, t0 /* get SA_ONSTACK flag */ - stq t0, (0 * 8)(s0) /* and save it in sc_onstack */ - /* - * Restore old s0 and a0, and continue saving registers - */ - mov s0, a0 - ldq s0, (( 9 + 4) * 8)(a0) - - ldiq t0, 0xacedbade /* 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. */ - 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 */ - 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 -#endif -END(_setjmp) - -#ifdef _THREAD_SAFE -ENTRY(__longjmp, 2) -#else -XENTRY(__longjmp) -ENTRY(_longjmp, 2) -#endif -#if 0 - LDGP(pv) - stq a1, (( 0 + 4) * 8)(a0) /* save return value */ - PCALL(sigreturn) /* use sigreturn to return */ - -botch: - CALL(longjmperror) - CALL(abort) - RET /* "can't" get here... */ -#endif -#ifdef _THREAD_SAFE -END(__longjmp) -#else -END(_longjmp) -#endif |