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bcacf30808
Implement the register copying routines to extract registers from the cpu for core dump generation. Signed-off-by: Stacey Son <sson@FreeBSD.org> Signed-off-by: Warner Losh <imp@bsdimp.com> Reviewed-by: Kyle Evans <kevans@FreeBSD.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
61 lines
1.7 KiB
C
61 lines
1.7 KiB
C
/*
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* FreeBSD arm register structures
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*
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* Copyright (c) 2015 Stacey Son
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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/arm/include/reg.h */
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typedef struct target_reg {
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uint32_t r[13];
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uint32_t r_sp;
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uint32_t r_lr;
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uint32_t r_pc;
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uint32_t r_cpsr;
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} target_reg_t;
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typedef struct target_fp_reg {
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uint32_t fp_exponent;
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uint32_t fp_mantissa_hi;
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u_int32_t fp_mantissa_lo;
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} target_fp_reg_t;
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typedef struct target_fpreg {
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uint32_t fpr_fpsr;
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target_fp_reg_t fpr[8];
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} target_fpreg_t;
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#define tswapreg(ptr) tswapal(ptr)
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static inline void target_copy_regs(target_reg_t *regs, const CPUARMState *env)
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{
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int i;
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for (i = 0; i < 13; i++) {
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regs->r[i] = tswapreg(env->regs[i + 1]);
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}
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regs->r_sp = tswapreg(env->regs[13]);
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regs->r_lr = tswapreg(env->regs[14]);
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regs->r_pc = tswapreg(env->regs[15]);
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regs->r_cpsr = tswapreg(cpsr_read((CPUARMState *)env));
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}
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#undef tswapreg
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#endif /* !_TARGET_ARCH_REG_H_ */
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