1 /* 2 * FreeBSD i386 register structures 3 * 4 * Copyright (c) 2015 Stacey Son 5 * All rights reserved. 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, see <http://www.gnu.org/licenses/>. 19 */ 20 21 #ifndef _TARGET_ARCH_REG_H_ 22 #define _TARGET_ARCH_REG_H_ 23 24 /* See sys/i386/include/reg.h */ 25 typedef struct target_reg { 26 uint32_t r_fs; 27 uint32_t r_es; 28 uint32_t r_ds; 29 uint32_t r_edi; 30 uint32_t r_esi; 31 uint32_t r_ebp; 32 uint32_t r_isp; 33 uint32_t r_ebx; 34 uint32_t r_edx; 35 uint32_t r_ecx; 36 uint32_t r_eax; 37 uint32_t r_trapno; 38 uint32_t r_err; 39 uint32_t r_eip; 40 uint32_t r_cs; 41 uint32_t r_eflags; 42 uint32_t r_esp; 43 uint32_t r_ss; 44 uint32_t r_gs; 45 } target_reg_t; 46 47 typedef struct target_fpreg { 48 uint32_t fpr_env[7]; 49 uint8_t fpr_acc[8][10]; 50 uint32_t fpr_ex_sw; 51 uint8_t fpr_pad[64]; 52 } target_fpreg_t; 53 54 static inline void target_copy_regs(target_reg_t *regs, const CPUX86State *env) 55 { 56 57 regs->r_fs = env->segs[R_FS].selector & 0xffff; 58 regs->r_es = env->segs[R_ES].selector & 0xffff; 59 regs->r_ds = env->segs[R_DS].selector & 0xffff; 60 61 regs->r_edi = env->regs[R_EDI]; 62 regs->r_esi = env->regs[R_ESI]; 63 regs->r_ebp = env->regs[R_EBP]; 64 /* regs->r_isp = env->regs[R_ISP]; XXX */ 65 regs->r_ebx = env->regs[R_EBX]; 66 regs->r_edx = env->regs[R_EDX]; 67 regs->r_ecx = env->regs[R_ECX]; 68 regs->r_eax = env->regs[R_EAX]; 69 /* regs->r_trapno = env->regs[R_TRAPNO]; XXX */ 70 regs->r_err = env->error_code; /* XXX ? */ 71 regs->r_eip = env->eip; 72 73 regs->r_cs = env->segs[R_CS].selector & 0xffff; 74 75 regs->r_eflags = env->eflags; 76 regs->r_esp = env->regs[R_ESP]; 77 78 regs->r_ss = env->segs[R_SS].selector & 0xffff; 79 regs->r_gs = env->segs[R_GS].selector & 0xffff; 80 } 81 82 #endif /* !_TARGET_ARCH_REG_H_ */ 83