/* $NetBSD: pthread_md.h,v 1.5 2008/04/28 20:23:02 martin Exp $ */ /*- * Copyright (c) 2002 The NetBSD Foundation, Inc. * All rights reserved. * * 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. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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. */ #ifndef _LIB_PTHREAD_SPARC64_MD_H #define _LIB_PTHREAD_SPARC64_MD_H /* * pthread__sp used for identifying thread */ static inline long pthread__sp(void) { long ret; __asm("mov %%sp, %0" : "=r" (ret)); return ret; } #define pthread__uc_sp(ucp) ((ucp)->uc_mcontext.__gregs[_REG_O6]) #define pthread__uc_pc(ucp) ((ucp)->uc_mcontext.__gregs[_REG_PC]) #define STACKSPACE 176 /* min stack frame XXX */ /* * Conversions between struct reg and struct mcontext. Used by * libpthread_dbg. * XXX macros */ #define PTHREAD_UCONTEXT_TO_REG(reg, uc) do { \ memcpy(&(reg)->r_tstate, &(uc)->uc_mcontext.__gregs, \ _REG_Y * sizeof(__greg_t)); \ (reg)->r_y = (uc)->uc_mcontext.__gregs[_REG_Y]; \ memcpy(&(reg)->r_global[1], &(uc)->uc_mcontext.__gregs[_REG_G1],\ (_REG_O7 - _REG_G1 + 1) * sizeof(__greg_t)); \ (reg)->r_global[0] = 0; \ } while (/*CONSTCOND*/0) #define PTHREAD_REG_TO_UCONTEXT(uc, reg) do { \ memcpy(&(uc)->uc_mcontext.__gregs, &(reg)->r_tstate, \ _REG_Y * sizeof(__greg_t)); \ (uc)->uc_mcontext.__gregs[_REG_Y] = (reg)->r_y; \ memcpy(&(uc)->uc_mcontext.__gregs[_REG_G1], &(reg)->r_global[1],\ (_REG_O7 - _REG_G1 + 1) * sizeof(__greg_t)); \ (uc)->uc_flags = ((uc)->uc_flags | _UC_CPU) & ~_UC_USER; \ } while (/*CONSTCOND*/0) #define PTHREAD_UCONTEXT_TO_FPREG(freg, uc) do { \ memcpy((freg)->fr_regs, \ &(uc)->uc_mcontext.__fpregs.__fpu_fr.__fpu_dregs, \ 32*sizeof(double)); \ (freg)->fr_fsr = (uc)->uc_mcontext.__fpregs.__fpu_fsr; \ } while (/*CONSTCOND*/0) #define PTHREAD_FPREG_TO_UCONTEXT(uc, freg) do { \ memcpy(&(uc)->uc_mcontext.__fpregs.__fpu_fr.__fpu_dregs, \ (freg)->fr_regs, \ 32*sizeof(double)); \ (uc)->uc_mcontext.__fpregs.__fpu_fsr = (freg)->fr_fsr; \ (uc)->uc_flags = ((uc)->uc_flags | _UC_FPU) & ~_UC_USER; \ } while (/*CONSTCOND*/0) #ifdef __PTHREAD_SIGNAL_PRIVATE #include <machine/psl.h> #endif #endif /* _LIB_PTHREAD_SPARC64_MD_H */