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e4442059dd
target_reg_t is the normal register. target_fpreg_t is the floating point registers. target_copy_regs copies the registers out of CPU context for things like core dumps. Signed-off-by: Stacey Son <sson@FreeBSD.org> Signed-off-by: Warner Losh <imp@bsdimp.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
83 lines
2.5 KiB
C
83 lines
2.5 KiB
C
/*
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* FreeBSD i386 register structures
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*
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* Copyright (c) 2015 Stacey Son
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _TARGET_ARCH_REG_H_
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#define _TARGET_ARCH_REG_H_
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/* See sys/i386/include/reg.h */
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typedef struct target_reg {
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uint32_t r_fs;
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uint32_t r_es;
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uint32_t r_ds;
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uint32_t r_edi;
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uint32_t r_esi;
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uint32_t r_ebp;
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uint32_t r_isp;
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uint32_t r_ebx;
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uint32_t r_edx;
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uint32_t r_ecx;
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uint32_t r_eax;
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uint32_t r_trapno;
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uint32_t r_err;
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uint32_t r_eip;
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uint32_t r_cs;
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uint32_t r_eflags;
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uint32_t r_esp;
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uint32_t r_ss;
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uint32_t r_gs;
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} target_reg_t;
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typedef struct target_fpreg {
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uint32_t fpr_env[7];
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uint8_t fpr_acc[8][10];
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uint32_t fpr_ex_sw;
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uint8_t fpr_pad[64];
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} target_fpreg_t;
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static inline void target_copy_regs(target_reg_t *regs, const CPUX86State *env)
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{
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regs->r_fs = env->segs[R_FS].selector & 0xffff;
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regs->r_es = env->segs[R_ES].selector & 0xffff;
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regs->r_ds = env->segs[R_DS].selector & 0xffff;
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regs->r_edi = env->regs[R_EDI];
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regs->r_esi = env->regs[R_ESI];
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regs->r_ebp = env->regs[R_EBP];
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/* regs->r_isp = env->regs[R_ISP]; XXX */
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regs->r_ebx = env->regs[R_EBX];
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regs->r_edx = env->regs[R_EDX];
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regs->r_ecx = env->regs[R_ECX];
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regs->r_eax = env->regs[R_EAX];
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/* regs->r_trapno = env->regs[R_TRAPNO]; XXX */
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regs->r_err = env->error_code; /* XXX ? */
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regs->r_eip = env->eip;
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regs->r_cs = env->segs[R_CS].selector & 0xffff;
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regs->r_eflags = env->eflags;
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regs->r_esp = env->regs[R_ESP];
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regs->r_ss = env->segs[R_SS].selector & 0xffff;
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regs->r_gs = env->segs[R_GS].selector & 0xffff;
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}
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#endif /* !_TARGET_ARCH_REG_H_ */
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