| /* 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 */ |