Implement the register copying routines to extract registers from the cpu for core dump generation.
Signed-off-by: Stacey Son <s...@freebsd.org> Signed-off-by: Warner Losh <i...@bsdimp.com> Reviewed-by: Kyle Evans <kev...@freebsd.org> Reviewed-by: Richard Henderson <richard.hender...@linaro.org> --- bsd-user/arm/target_arch_reg.h | 60 ++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 bsd-user/arm/target_arch_reg.h diff --git a/bsd-user/arm/target_arch_reg.h b/bsd-user/arm/target_arch_reg.h new file mode 100644 index 0000000000..ef5ed5154f --- /dev/null +++ b/bsd-user/arm/target_arch_reg.h @@ -0,0 +1,60 @@ +/* + * FreeBSD arm register structures + * + * Copyright (c) 2015 Stacey Son + * + * 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/arm/include/reg.h */ +typedef struct target_reg { + uint32_t r[13]; + uint32_t r_sp; + uint32_t r_lr; + uint32_t r_pc; + uint32_t r_cpsr; +} target_reg_t; + +typedef struct target_fp_reg { + uint32_t fp_exponent; + uint32_t fp_mantissa_hi; + u_int32_t fp_mantissa_lo; +} target_fp_reg_t; + +typedef struct target_fpreg { + uint32_t fpr_fpsr; + target_fp_reg_t fpr[8]; +} target_fpreg_t; + +#define tswapreg(ptr) tswapal(ptr) + +static inline void target_copy_regs(target_reg_t *regs, const CPUARMState *env) +{ + int i; + + for (i = 0; i < 13; i++) { + regs->r[i] = tswapreg(env->regs[i + 1]); + } + regs->r_sp = tswapreg(env->regs[13]); + regs->r_lr = tswapreg(env->regs[14]); + regs->r_pc = tswapreg(env->regs[15]); + regs->r_cpsr = tswapreg(cpsr_read((CPUARMState *)env)); +} + +#undef tswapreg + +#endif /* !_TARGET_ARCH_REG_H_ */ -- 2.33.0
