1 /* $NetBSD: pthread_md.h,v 1.4 2005/12/24 21:11:17 perry Exp $ */ 2 3 /*- 4 * Copyright (c) 2002 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the NetBSD 18 * Foundation, Inc. and its contributors. 19 * 4. Neither the name of The NetBSD Foundation nor the names of its 20 * contributors may be used to endorse or promote products derived 21 * from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 24 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 25 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 26 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 27 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 33 * POSSIBILITY OF SUCH DAMAGE. 34 */ 35 36 #ifndef _LIB_PTHREAD_SPARC64_MD_H 37 #define _LIB_PTHREAD_SPARC64_MD_H 38 39 /* 40 * pthread__sp used for identifying thread 41 */ 42 static inline long 43 pthread__sp(void) 44 { 45 long ret; 46 47 __asm("mov %%sp, %0" : "=r" (ret)); 48 49 return ret; 50 } 51 52 #define pthread__uc_sp(ucp) ((ucp)->uc_mcontext.__gregs[_REG_O6]) 53 #define pthread__uc_pc(ucp) ((ucp)->uc_mcontext.__gregs[_REG_PC]) 54 55 #define STACKSPACE 176 /* min stack frame XXX */ 56 57 /* 58 * Conversions between struct reg and struct mcontext. Used by 59 * libpthread_dbg. 60 * XXX macros 61 */ 62 63 #define PTHREAD_UCONTEXT_TO_REG(reg, uc) do { \ 64 memcpy(&(reg)->r_tstate, &(uc)->uc_mcontext.__gregs, \ 65 _REG_Y * sizeof(__greg_t)); \ 66 (reg)->r_y = (uc)->uc_mcontext.__gregs[_REG_Y]; \ 67 memcpy(&(reg)->r_global[1], &(uc)->uc_mcontext.__gregs[_REG_G1],\ 68 (_REG_O7 - _REG_G1 + 1) * sizeof(__greg_t)); \ 69 (reg)->r_global[0] = 0; \ 70 } while (/*CONSTCOND*/0) 71 72 #define PTHREAD_REG_TO_UCONTEXT(uc, reg) do { \ 73 memcpy(&(uc)->uc_mcontext.__gregs, &(reg)->r_tstate, \ 74 _REG_Y * sizeof(__greg_t)); \ 75 (uc)->uc_mcontext.__gregs[_REG_Y] = (reg)->r_y; \ 76 memcpy(&(uc)->uc_mcontext.__gregs[_REG_G1], &(reg)->r_global[1],\ 77 (_REG_O7 - _REG_G1 + 1) * sizeof(__greg_t)); \ 78 (uc)->uc_flags = ((uc)->uc_flags | _UC_CPU) & ~_UC_USER; \ 79 } while (/*CONSTCOND*/0) 80 81 #define PTHREAD_UCONTEXT_TO_FPREG(freg, uc) do { \ 82 memcpy((freg)->fr_regs, \ 83 &(uc)->uc_mcontext.__fpregs.__fpu_fr.__fpu_dregs, \ 84 32*sizeof(double)); \ 85 (freg)->fr_fsr = (uc)->uc_mcontext.__fpregs.__fpu_fsr; \ 86 } while (/*CONSTCOND*/0) 87 88 #define PTHREAD_FPREG_TO_UCONTEXT(uc, freg) do { \ 89 memcpy(&(uc)->uc_mcontext.__fpregs.__fpu_fr.__fpu_dregs, \ 90 (freg)->fr_regs, \ 91 32*sizeof(double)); \ 92 (uc)->uc_mcontext.__fpregs.__fpu_fsr = (freg)->fr_fsr; \ 93 (uc)->uc_flags = ((uc)->uc_flags | _UC_FPU) & ~_UC_USER; \ 94 } while (/*CONSTCOND*/0) 95 96 #ifdef __PTHREAD_SIGNAL_PRIVATE 97 #include <machine/psl.h> 98 #endif 99 100 #endif /* _LIB_PTHREAD_SPARC64_MD_H */ 101