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/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
/*
* Author: Hanlu Li <lihanlu@loongson.cn>
* Huacai Chen <chenhuacai@loongson.cn>
*
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*/
#ifndef _UAPI_ASM_PTRACE_H
#define _UAPI_ASM_PTRACE_H
#include <linux/types.h>
#ifndef __KERNEL__
#include <stdint.h>
#endif
/*
* For PTRACE_{POKE,PEEK}USR. 0 - 31 are GPRs,
* 32 is syscall's original ARG0, 33 is PC, 34 is BADVADDR.
*/
#define GPR_BASE 0
#define GPR_NUM 32
#define GPR_END (GPR_BASE + GPR_NUM - 1)
#define ARG0 (GPR_END + 1)
#define PC (GPR_END + 2)
#define BADVADDR (GPR_END + 3)
#define NUM_FPU_REGS 32
struct user_pt_regs {
/* Main processor registers. */
unsigned long regs[32];
/* Original syscall arg0. */
unsigned long orig_a0;
/* Special CSR registers. */
unsigned long csr_era;
unsigned long csr_badv;
unsigned long reserved[10];
} __attribute__((aligned(8)));
struct user_fp_state {
uint64_t fpr[32];
uint64_t fcc;
uint32_t fcsr;
};
#define PTRACE_SYSEMU 0x1f
#define PTRACE_SYSEMU_SINGLESTEP 0x20
#endif /* _UAPI_ASM_PTRACE_H */
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