25 void syscall_stub_dump_error(struct mm_id *mm_idp)  in syscall_stub_dump_error()  argument
27 	struct stub_data *proc_data = (void *)mm_idp->stack;  in syscall_stub_dump_error()
34 			mm_idp->syscall_data_len);  in syscall_stub_dump_error()
39 		__func__, mm_idp->syscall_data_len,  in syscall_stub_dump_error()
48 static inline unsigned long *check_init_stack(struct mm_id * mm_idp,  in check_init_stack()  argument
52 		stack = (unsigned long *) mm_idp->stack + 2;  in check_init_stack()
77 static inline long do_syscall_stub(struct mm_id *mm_idp)  in do_syscall_stub()  argument
79 	struct stub_data *proc_data = (void *)mm_idp->stack;  in do_syscall_stub()
81 	int err, pid = mm_idp->pid;  in do_syscall_stub()
93 	proc_data->syscall_data_len = mm_idp->syscall_data_len;  in do_syscall_stub()
108 		syscall_stub_dump_error(mm_idp);  in do_syscall_stub()
111 		mm_idp->syscall_data_len = proc_data->err;  in do_syscall_stub()
113 		mm_idp->syscall_data_len = 0;  in do_syscall_stub()
116 	return mm_idp->syscall_data_len;  in do_syscall_stub()
119 int syscall_stub_flush(struct mm_id *mm_idp)  in syscall_stub_flush()  argument
123 	if (mm_idp->syscall_data_len == 0)  in syscall_stub_flush()
127 	if (mm_idp->syscall_data_len < 0) {  in syscall_stub_flush()
128 		res = mm_idp->syscall_data_len;  in syscall_stub_flush()
129 		mm_idp->syscall_data_len = 0;  in syscall_stub_flush()
133 	res = do_syscall_stub(mm_idp);  in syscall_stub_flush()
134 	mm_idp->syscall_data_len = 0;  in syscall_stub_flush()
139 struct stub_syscall *syscall_stub_alloc(struct mm_id *mm_idp)  in syscall_stub_alloc()  argument
142 	struct stub_data *proc_data = (struct stub_data *) mm_idp->stack;  in syscall_stub_alloc()
144 	if (mm_idp->syscall_data_len > 0 &&  in syscall_stub_alloc()
145 	    mm_idp->syscall_data_len == ARRAY_SIZE(proc_data->syscall_data))  in syscall_stub_alloc()
146 		do_syscall_stub(mm_idp);  in syscall_stub_alloc()
148 	if (mm_idp->syscall_data_len < 0) {  in syscall_stub_alloc()
152 		sc = &proc_data->syscall_data[mm_idp->syscall_data_len];  in syscall_stub_alloc()
153 		mm_idp->syscall_data_len += 1;  in syscall_stub_alloc()
160 static struct stub_syscall *syscall_stub_get_previous(struct mm_id *mm_idp,  in syscall_stub_get_previous()  argument
164 	if (mm_idp->syscall_data_len > 0) {  in syscall_stub_get_previous()
165 		struct stub_data *proc_data = (void *) mm_idp->stack;  in syscall_stub_get_previous()
168 		sc = &proc_data->syscall_data[mm_idp->syscall_data_len - 1];  in syscall_stub_get_previous()
178 int map(struct mm_id *mm_idp, unsigned long virt, unsigned long len, int prot,  in map()  argument
184 	sc = syscall_stub_get_previous(mm_idp, STUB_SYSCALL_MMAP, virt);  in map()
191 	sc = syscall_stub_alloc(mm_idp);  in map()
202 int unmap(struct mm_id *mm_idp, unsigned long addr, unsigned long len)  in unmap()  argument
207 	sc = syscall_stub_get_previous(mm_idp, STUB_SYSCALL_MUNMAP, addr);  in unmap()
213 	sc = syscall_stub_alloc(mm_idp);  in unmap()
221 int protect(struct mm_id *mm_idp, unsigned long addr, unsigned long len,  in protect()  argument
227 	sc = syscall_stub_get_previous(mm_idp, STUB_SYSCALL_MPROTECT, addr);  in protect()
233 	sc = syscall_stub_alloc(mm_idp);  in protect()