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-rw-r--r--bsd-user/i386/target_arch_reg.h82
1 files changed, 82 insertions, 0 deletions
diff --git a/bsd-user/i386/target_arch_reg.h b/bsd-user/i386/target_arch_reg.h
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+++ b/bsd-user/i386/target_arch_reg.h
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+/*
+ *  FreeBSD i386 register structures
+ *
+ *  Copyright (c) 2015 Stacey Son
+ *  All rights reserved.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _TARGET_ARCH_REG_H_
+#define _TARGET_ARCH_REG_H_
+
+/* See sys/i386/include/reg.h */
+typedef struct target_reg {
+    uint32_t        r_fs;
+    uint32_t        r_es;
+    uint32_t        r_ds;
+    uint32_t        r_edi;
+    uint32_t        r_esi;
+    uint32_t        r_ebp;
+    uint32_t        r_isp;
+    uint32_t        r_ebx;
+    uint32_t        r_edx;
+    uint32_t        r_ecx;
+    uint32_t        r_eax;
+    uint32_t        r_trapno;
+    uint32_t        r_err;
+    uint32_t        r_eip;
+    uint32_t        r_cs;
+    uint32_t        r_eflags;
+    uint32_t        r_esp;
+    uint32_t        r_ss;
+    uint32_t        r_gs;
+} target_reg_t;
+
+typedef struct target_fpreg {
+    uint32_t        fpr_env[7];
+    uint8_t         fpr_acc[8][10];
+    uint32_t        fpr_ex_sw;
+    uint8_t         fpr_pad[64];
+} target_fpreg_t;
+
+static inline void target_copy_regs(target_reg_t *regs, const CPUX86State *env)
+{
+
+    regs->r_fs = env->segs[R_FS].selector & 0xffff;
+    regs->r_es = env->segs[R_ES].selector & 0xffff;
+    regs->r_ds = env->segs[R_DS].selector & 0xffff;
+
+    regs->r_edi = env->regs[R_EDI];
+    regs->r_esi = env->regs[R_ESI];
+    regs->r_ebp = env->regs[R_EBP];
+    /* regs->r_isp = env->regs[R_ISP]; XXX */
+    regs->r_ebx = env->regs[R_EBX];
+    regs->r_edx = env->regs[R_EDX];
+    regs->r_ecx = env->regs[R_ECX];
+    regs->r_eax = env->regs[R_EAX];
+    /* regs->r_trapno = env->regs[R_TRAPNO]; XXX */
+    regs->r_err = env->error_code;  /* XXX ? */
+    regs->r_eip = env->eip;
+
+    regs->r_cs = env->segs[R_CS].selector & 0xffff;
+
+    regs->r_eflags = env->eflags;
+    regs->r_esp = env->regs[R_ESP];
+
+    regs->r_ss = env->segs[R_SS].selector & 0xffff;
+    regs->r_gs = env->segs[R_GS].selector & 0xffff;
+}
+
+#endif /* !_TARGET_ARCH_REG_H_ */