/* * SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 1992, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * Ralph Campbell. * * 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. 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. * * @(#)ucontext.h 8.1 (Berkeley) 6/10/93 * JNPR: ucontext.h,v 1.2 2007/08/09 11:23:32 katta */ #ifndef _MACHINE_UCONTEXT_H_ #define _MACHINE_UCONTEXT_H_ #ifndef _LOCORE typedef struct __mcontext { /* * These fields must match the corresponding fields in struct * sigcontext which follow 'sc_mask'. That way we can support * struct sigcontext and ucontext_t at the same time. */ int mc_onstack; /* sigstack state to restore */ __register_t mc_pc; /* pc at time of signal */ __register_t mc_regs[32]; /* processor regs 0 to 31 */ __register_t sr; /* status register */ __register_t mullo, mulhi; /* mullo and mulhi registers... */ int mc_fpused; /* fp has been used */ f_register_t mc_fpregs[33]; /* fp regs 0 to 31 and csr */ __register_t mc_fpc_eir; /* fp exception instruction reg */ void *mc_tls; /* pointer to TLS area */ int __spare__[8]; /* XXX reserved */ } mcontext_t; #if (defined(__mips_n32) || defined(__mips_n64)) && defined(COMPAT_FREEBSD32) #include typedef struct __mcontext32 { int mc_onstack; int32_t mc_pc; int32_t mc_regs[32]; int32_t sr; int32_t mullo, mulhi; int mc_fpused; int32_t mc_fpregs[33]; int32_t mc_fpc_eir; int32_t mc_tls; int __spare__[8]; } mcontext32_t; typedef struct __ucontext32 { sigset_t uc_sigmask; mcontext32_t uc_mcontext; uint32_t uc_link; struct sigaltstack32 uc_stack; uint32_t uc_flags; uint32_t __spare__[4]; } ucontext32_t; #endif #endif #ifndef SZREG #if defined(__mips_o32) #define SZREG 4 #else #define SZREG 8 #endif #endif /* offsets into mcontext_t */ #define UCTX_REG(x) (4 + SZREG + (x)*SZREG) #define UCR_ZERO UCTX_REG(0) #define UCR_AT UCTX_REG(1) #define UCR_V0 UCTX_REG(2) #define UCR_V1 UCTX_REG(3) #define UCR_A0 UCTX_REG(4) #define UCR_A1 UCTX_REG(5) #define UCR_A2 UCTX_REG(6) #define UCR_A3 UCTX_REG(7) #define UCR_T0 UCTX_REG(8) #define UCR_T1 UCTX_REG(9) #define UCR_T2 UCTX_REG(10) #define UCR_T3 UCTX_REG(11) #define UCR_T4 UCTX_REG(12) #define UCR_T5 UCTX_REG(13) #define UCR_T6 UCTX_REG(14) #define UCR_T7 UCTX_REG(15) #define UCR_S0 UCTX_REG(16) #define UCR_S1 UCTX_REG(17) #define UCR_S2 UCTX_REG(18) #define UCR_S3 UCTX_REG(19) #define UCR_S4 UCTX_REG(20) #define UCR_S5 UCTX_REG(21) #define UCR_S6 UCTX_REG(22) #define UCR_S7 UCTX_REG(23) #define UCR_T8 UCTX_REG(24) #define UCR_T9 UCTX_REG(25) #define UCR_K0 UCTX_REG(26) #define UCR_K1 UCTX_REG(27) #define UCR_GP UCTX_REG(28) #define UCR_SP UCTX_REG(29) #define UCR_S8 UCTX_REG(30) #define UCR_RA UCTX_REG(31) #define UCR_SR UCTX_REG(32) #define UCR_MDLO UCTX_REG(33) #define UCR_MDHI UCTX_REG(34) #endif /* !_MACHINE_UCONTEXT_H_ */