bsd-user/i386/target_arch_reg.h

   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 */