MIPS: 64-bit: Use generic 32-bit ptrace compat code. (797c3f32) · Commits · e / devices / android_kernel_fairphone_FP4

arch/mips/kernel/ptrace32.c

+1 −63

Original line number	Diff line number	Diff line
		@@ -49,19 +49,6 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
		int ret;

		switch (request) {
		/* when I and D space are separate, these will need to be fixed. */
		case PTRACE_PEEKTEXT: /* read word at location addr. */
		case PTRACE_PEEKDATA: {
		unsigned int tmp;
		int copied;

		copied = access_process_vm(child, addr, &tmp, sizeof(tmp), 0);
		ret = -EIO;
		if (copied != sizeof(tmp))
		break;
		ret = put_user(tmp, (unsigned int __user *) (unsigned long) data);
		break;
		}

		/*
		* Read 4 bytes of the other process' storage
		@@ -208,16 +195,6 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
		break;
		}

		/* when I and D space are separate, this will have to be fixed. */
		case PTRACE_POKETEXT: /* write the word at location addr. */
		case PTRACE_POKEDATA:
		ret = 0;
		if (access_process_vm(child, addr, &data, sizeof(data), 1)
		== sizeof(data))
		break;
		ret = -EIO;
		break;

		/*
		* Write 4 bytes into the other process' storage
		* data is the 4 bytes that the user wants written
		@@ -332,50 +309,11 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
		ret = ptrace_setfpregs(child, (__u32 __user *) (__u64) data);
		break;

		case PTRACE_SYSCALL: /* continue and stop at next (return from) syscall */
		case PTRACE_CONT: { /* restart after signal. */
		ret = -EIO;
		if (!valid_signal(data))
		break;
		if (request == PTRACE_SYSCALL) {
		set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
		}
		else {
		clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
		}
		child->exit_code = data;
		wake_up_process(child);
		ret = 0;
		break;
		}

		/*
		* make the child exit. Best I can do is send it a sigkill.
		* perhaps it should be put in the status that it wants to
		* exit.
		*/
		case PTRACE_KILL:
		ret = 0;
		if (child->exit_state == EXIT_ZOMBIE) /* already dead */
		break;
		child->exit_code = SIGKILL;
		wake_up_process(child);
		break;

		case PTRACE_GET_THREAD_AREA:
		ret = put_user(task_thread_info(child)->tp_value,
		(unsigned int __user *) (unsigned long) data);
		break;

		case PTRACE_DETACH: /* detach a process that was attached. */
		ret = ptrace_detach(child, data);
		break;

		case PTRACE_GETEVENTMSG:
		ret = put_user(child->ptrace_message,
		(unsigned int __user *) (unsigned long) data);
		break;

		case PTRACE_GET_THREAD_AREA_3264:
		ret = put_user(task_thread_info(child)->tp_value,
		(unsigned long __user *) (unsigned long) data);
		@@ -392,7 +330,7 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
		break;

		default:
		ret = ptrace_request(child, request, addr, data);
		ret = compat_ptrace_request(child, request, addr, data);
		break;
		}
		out: