1 // SPDX-License-Identifier: GPL-2.0
3  * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
10 #include <asm/ptrace-abi.h>
45 	unsigned long __user *p = (void __user *)data;  in arch_ptrace()  local
46 	void __user *vp = p;  in arch_ptrace()  local
61 		ret = -EIO;  in arch_ptrace()
66 		if (!access_ok(p, MAX_REG_OFFSET)) {  in arch_ptrace()
67 			ret = -EIO;  in arch_ptrace()
71 			__put_user(getreg(child, i), p);  in arch_ptrace()
72 			p++;  in arch_ptrace()
81 		if (!access_ok(p, MAX_REG_OFFSET)) {  in arch_ptrace()
82 			ret = -EIO;  in arch_ptrace()
86 			__get_user(tmp, p);  in arch_ptrace()
88 			p++;  in arch_ptrace()
95 		ret = ptrace_get_thread_area(child, addr, vp);  in arch_ptrace()
99 		ret = ptrace_set_thread_area(child, addr, vp);  in arch_ptrace()
104 		if (ret == -EIO)  in arch_ptrace()
116 			/* User-mode eip? */  in send_sigtrap()
126 	audit_syscall_entry(UPT_SYSCALL_NR(&regs->regs),  in syscall_trace_enter()
127 			    UPT_SYSCALL_ARG1(&regs->regs),  in syscall_trace_enter()
128 			    UPT_SYSCALL_ARG2(&regs->regs),  in syscall_trace_enter()
129 			    UPT_SYSCALL_ARG3(&regs->regs),  in syscall_trace_enter()
130 			    UPT_SYSCALL_ARG4(&regs->regs));  in syscall_trace_enter()
133 		trace_sys_enter(regs, UPT_SYSCALL_NR(&regs->regs));  in syscall_trace_enter()
143 	int ptraced = current->ptrace;  in syscall_trace_leave()
149 		send_sigtrap(&regs->regs, 0);  in syscall_trace_leave()
158 	/* force do_signal() --> is_syscall() */  in syscall_trace_leave()