diff options
Diffstat (limited to 'pr/include/md/_netbsd.h')
| -rw-r--r-- | pr/include/md/_netbsd.h | 179 |
1 files changed, 61 insertions, 118 deletions
diff --git a/pr/include/md/_netbsd.h b/pr/include/md/_netbsd.h index cc16f105..db25bd89 100644 --- a/pr/include/md/_netbsd.h +++ b/pr/include/md/_netbsd.h @@ -1,36 +1,39 @@ /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ -/* - * The contents of this file are subject to the Mozilla Public - * License Version 1.1 (the "License"); you may not use this file - * except in compliance with the License. You may obtain a copy of - * the License at http://www.mozilla.org/MPL/ - * - * Software distributed under the License is distributed on an "AS - * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or - * implied. See the License for the specific language governing - * rights and limitations under the License. - * +/* ***** BEGIN LICENSE BLOCK ***** + * Version: MPL 1.1/GPL 2.0/LGPL 2.1 + * + * The contents of this file are subject to the Mozilla Public License Version + * 1.1 (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * * The Original Code is the Netscape Portable Runtime (NSPR). - * - * The Initial Developer of the Original Code is Netscape - * Communications Corporation. Portions created by Netscape are - * Copyright (C) 1998-2000 Netscape Communications Corporation. All - * Rights Reserved. - * + * + * The Initial Developer of the Original Code is + * Netscape Communications Corporation. + * Portions created by the Initial Developer are Copyright (C) 1998-2000 + * the Initial Developer. All Rights Reserved. + * * Contributor(s): - * - * Alternatively, the contents of this file may be used under the - * terms of the GNU General Public License Version 2 or later (the - * "GPL"), in which case the provisions of the GPL are applicable - * instead of those above. If you wish to allow use of your - * version of this file only under the terms of the GPL and not to - * allow others to use your version of this file under the MPL, - * indicate your decision by deleting the provisions above and - * replace them with the notice and other provisions required by - * the GPL. If you do not delete the provisions above, a recipient - * may use your version of this file under either the MPL or the - * GPL. - */ + * + * Alternatively, the contents of this file may be used under the terms of + * either the GNU General Public License Version 2 or later (the "GPL"), or + * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), + * in which case the provisions of the GPL or the LGPL are applicable instead + * of those above. If you wish to allow use of your version of this file only + * under the terms of either the GPL or the LGPL, and not to allow others to + * use your version of this file under the terms of the MPL, indicate your + * decision by deleting the provisions above and replace them with the notice + * and other provisions required by the GPL or the LGPL. If you do not delete + * the provisions above, a recipient may use your version of this file under + * the terms of any one of the MPL, the GPL or the LGPL. + * + * ***** END LICENSE BLOCK ***** */ #ifndef nspr_netbsd_defs_h___ #define nspr_netbsd_defs_h___ @@ -104,100 +107,40 @@ #define CONTEXT(_th) ((_th)->md.context) +#if defined(__i386__) || defined(__sparc__) || defined(__m68k__) || defined(__powerpc__) +#define JB_SP_INDEX 2 +#elif defined(__mips__) +#define JB_SP_INDEX 4 +#elif defined(__alpha__) +#define JB_SP_INDEX 34 +#elif defined(__arm32__) /* -** Initialize a thread context to run "_main()" when started -*/ -#ifdef __i386__ -#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ -{ \ - sigsetjmp(CONTEXT(_thread), 1); \ - CONTEXT(_thread)[2] = (unsigned char*) ((_sp) - 128); \ - CONTEXT(_thread)[0] = (int) _main; \ - *status = PR_TRUE; \ -} -#define _MD_GET_SP(_thread) CONTEXT(_thread)[2] -#endif -#ifdef __sparc_v9__ -#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ -{ \ - sigsetjmp(CONTEXT(_thread), 1); \ - CONTEXT(_thread)[1] = (unsigned char*) ((_sp) - 176 - 0x7ff); \ - CONTEXT(_thread)[2] = (long) _main; \ - CONTEXT(_thread)[3] = (long) _main + 4; \ - *status = PR_TRUE; \ -} -#define _MD_GET_SP(_thread) (CONTEXT(_thread)[2]+0x7ff) -#elif defined(__sparc__) -#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ -{ \ - sigsetjmp(CONTEXT(_thread), 1); \ - CONTEXT(_thread)[2] = (unsigned char*) ((_sp) - 128); \ - CONTEXT(_thread)[3] = (int) _main; \ - CONTEXT(_thread)[4] = (int) _main + 4; \ - *status = PR_TRUE; \ -} -#define _MD_GET_SP(_thread) CONTEXT(_thread)[2] -#endif -#ifdef __powerpc__ -#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ -{ \ - sigsetjmp(CONTEXT(_thread), 1); \ - CONTEXT(_thread)[3] = (unsigned char*) ((_sp) - 128); \ - CONTEXT(_thread)[4] = (int) _main; \ - *status = PR_TRUE; \ -} -#define _MD_GET_SP(_thread) CONTEXT(_thread)[3] -#endif -#ifdef __m68k__ -#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ -{ \ - sigsetjmp(CONTEXT(_thread), 1); \ - CONTEXT(_thread)[2] = (unsigned char*) ((_sp) - 128); \ - CONTEXT(_thread)[5] = (int) _main; \ - *status = PR_TRUE; \ -} -#define _MD_GET_SP(_thread) CONTEXT(_thread)[2] -#endif -#ifdef __mips__ -#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ -{ \ - sigsetjmp(CONTEXT(_thread), 1); \ - CONTEXT(_thread)[32] = (unsigned char*) ((_sp) - 128); \ - CONTEXT(_thread)[2] = (int) _main; \ - CONTEXT(_thread)[28] = (int) _main; \ - *status = PR_TRUE; \ -} -#define _MD_GET_SP(_thread) CONTEXT(_thread)[32] -#endif -#if defined(__arm32__) || defined(__arm__) || defined(__armel__) \ - || defined(__armeb__) -#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ -{ \ - sigsetjmp(CONTEXT(_thread), 1); \ - CONTEXT(_thread)[23] = (unsigned char*) ((_sp) - 128); \ - CONTEXT(_thread)[24] = (int) _main; \ - *status = PR_TRUE; \ -} -#define _MD_GET_SP(_thread) CONTEXT(_thread)[23] -#endif -#ifdef __alpha__ -#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ -{ \ - sigsetjmp(CONTEXT(_thread), 1); \ - CONTEXT(_thread)[34] = (unsigned char*) ((_sp) - 128); \ - CONTEXT(_thread)[2] = (long) _main; \ - CONTEXT(_thread)[30] = (long) _main; \ - CONTEXT(_thread)[31] = (long) _main; \ - *status = PR_TRUE; \ -} -#define _MD_GET_SP(_thread) CONTEXT(_thread)[34] + * On the arm32, the jmpbuf regs underwent a name change after NetBSD 1.3. + */ +#ifdef JMPBUF_REG_R13 +#define JB_SP_INDEX JMPBUF_REG_R13 +#else +#define JB_SP_INDEX _JB_REG_R13 #endif -#ifndef _MD_INIT_CONTEXT -#error "Need to define _MD_INIT_CONTEXT for this platform" +#else +#error "Need to define SP index in jmp_buf here" #endif +#define _MD_GET_SP(_th) (_th)->md.context[JB_SP_INDEX] #define PR_NUM_GCREGS _JBLEN +/* +** Initialize a thread context to run "_main()" when started +*/ +#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ +{ \ + *status = PR_TRUE; \ + if (sigsetjmp(CONTEXT(_thread), 1)) { \ + _main(); \ + } \ + _MD_GET_SP(_thread) = (unsigned char*) ((_sp) - 64); \ +} + #define _MD_SWITCH_CONTEXT(_thread) \ if (!sigsetjmp(CONTEXT(_thread), 1)) { \ (_thread)->md.errcode = errno; \ |