| Kyle Swenson | 8d8f654 | 2021-03-15 11:02:55 -0600 | [diff] [blame^] | 1 | /* |
| 2 | * linux/include/asm-m32r/ptrace.h |
| 3 | * |
| 4 | * This file is subject to the terms and conditions of the GNU General Public |
| 5 | * License. See the file "COPYING" in the main directory of this archive |
| 6 | * for more details. |
| 7 | * |
| 8 | * M32R version: |
| 9 | * Copyright (C) 2001-2002, 2004 Hirokazu Takata <takata at linux-m32r.org> |
| 10 | */ |
| 11 | #ifndef _ASM_M32R_PTRACE_H |
| 12 | #define _ASM_M32R_PTRACE_H |
| 13 | |
| 14 | |
| 15 | #include <asm/m32r.h> /* M32R_PSW_BSM, M32R_PSW_BPM */ |
| 16 | #include <uapi/asm/ptrace.h> |
| 17 | |
| 18 | #define arch_has_single_step() (1) |
| 19 | |
| 20 | struct task_struct; |
| 21 | extern void init_debug_traps(struct task_struct *); |
| 22 | #define arch_ptrace_attach(child) \ |
| 23 | init_debug_traps(child) |
| 24 | |
| 25 | #if defined(CONFIG_ISA_M32R2) || defined(CONFIG_CHIP_VDEC2) |
| 26 | #define user_mode(regs) ((M32R_PSW_BPM & (regs)->psw) != 0) |
| 27 | #elif defined(CONFIG_ISA_M32R) |
| 28 | #define user_mode(regs) ((M32R_PSW_BSM & (regs)->psw) != 0) |
| 29 | #else |
| 30 | #error unknown isa configuration |
| 31 | #endif |
| 32 | |
| 33 | #define instruction_pointer(regs) ((regs)->bpc) |
| 34 | #define profile_pc(regs) instruction_pointer(regs) |
| 35 | #define user_stack_pointer(regs) ((regs)->spu) |
| 36 | |
| 37 | extern void withdraw_debug_trap(struct pt_regs *regs); |
| 38 | |
| 39 | #define task_pt_regs(task) \ |
| 40 | ((struct pt_regs *)(task_stack_page(task) + THREAD_SIZE) - 1) |
| 41 | #define current_pt_regs() ((struct pt_regs *) \ |
| 42 | ((unsigned long)current_thread_info() + THREAD_SIZE) - 1) |
| 43 | |
| 44 | #endif /* _ASM_M32R_PTRACE_H */ |