diff options
Diffstat (limited to 'newlib/libc/machine/sparc/setjmp.S')
| -rw-r--r-- | newlib/libc/machine/sparc/setjmp.S | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/newlib/libc/machine/sparc/setjmp.S b/newlib/libc/machine/sparc/setjmp.S deleted file mode 100644 index bd879c4..0000000 --- a/newlib/libc/machine/sparc/setjmp.S +++ /dev/null @@ -1,148 +0,0 @@ -/* - * Copyright (c) 1992, 1993 - * The Regents of the University of California. All rights reserved. - * - * Modified for incorporation into newlib by Joel Sherrill - * (joel@OARcorp.com), On-Line Applications Research, 1995. - * Did the following: - * + merged in DEFS.h - * + removed error check since it prevented using this setjmp - * to "context switch" - * + added the support for the "user label" and "register" prefix - * - * This software was developed by the Computer Systems Engineering group - * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and - * contributed to Berkeley. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * from: $Header: /cvs/cvsfiles/devo/newlib/libc/machine/sparc/setjmp.S,v 1.1 1997/06/25 07:19:16 marka Exp $ - */ - -#if defined(LIBC_SCCS) && !defined(lint) - .asciz "@(#)_setjmp.s 8.1 (Berkeley) 6/4/93" -#endif /* LIBC_SCCS and not lint */ - -/* - * Recent versions of GNU cpp define variables which indicate the - * need for underscores and percents. If not using GNU cpp or - * the version does not support this, then you will obviously - * have to define these as appropriate. - */ - -#ifndef __USER_LABEL_PREFIX__ -#define __USER_LABEL_PREFIX__ _ -#endif - -#ifndef __REGISTER_PREFIX__ -#define __REGISTER_PREFIX__ -#endif - -/* ANSI concatenation macros. */ - -#define CONCAT1(a, b) CONCAT2(a, b) -#define CONCAT2(a, b) a ## b - -/* Use the right prefix for global labels. */ - -#define SYM(x) CONCAT1 (__USER_LABEL_PREFIX__, x) - -/********************************************************************* - ********************************************************************* - * Contents of DEFS.h * - ********************************************************************* - *********************************************************************/ - -#ifdef PROF -#define ENTRY(x) \ - .align 4; .globl SYM(x); .proc 1; SYM(x):; .data; .align 4; 1: .long 0; \ - .text; save %sp,-96,%sp; sethi %hi(1b),%o0; call mcount; \ - or %lo(1b),%o0,%o0; restore -#else -#define ENTRY(x) \ - .align 4; .globl SYM(x); .proc 1; SYM(x): -#endif - - - -/********************************************************************* - ********************************************************************* - * END of DEFS.h * - ********************************************************************* - *********************************************************************/ - - -/* - * C library -- _setjmp, _longjmp - * - * _longjmp(a,v) - * will generate a "return(v?v:1)" from - * the last call to - * _setjmp(a) - * by unwinding the call stack. - * The previous signal state is NOT restored. - */ - - -/* #include "DEFS.h" */ - -ENTRY(setjmp) -ENTRY(_setjmp) - st %sp, [%o0] /* caller's stack pointer */ - st %i7, [%o0+4] /* caller's return pc */ - st %fp, [%o0+8] /* store caller's frame pointer */ - st %o7, [%o0+12] - retl - clr %o0 ! return 0 - -ENTRY(longjmp) -ENTRY(_longjmp) - ta 0x03 /* flush registers */ - addcc %o1, %g0, %g6 ! compute v ? v : 1 in a global register - be,a 0f - mov 1, %g6 -0: - ld [%o0], %sp /* caller's stack pointer */ - - ldd [%sp], %l0 - ldd [%sp+8], %l2 - ldd [%sp+16], %l4 - ldd [%sp+24], %l6 - - ldd [%sp+32], %i0 - ldd [%sp+40], %i2 - ldd [%sp+48], %i4 - - ld [%o0+4], %i7 /* caller's return pc */ - ld [%o0+8], %fp /* caller's frame pointer */ - ld [%o0+12], %o7 - - jmp %o7 + 8 ! success, return %g6 - mov %g6, %o0 - |