kernel/trace/trace_probe_tmpl.h

7 fetch_store_raw(unsigned long val, struct fetch_insn *code, void *buf)
9 	switch (code->size) {
29 fetch_apply_bitfield(struct fetch_insn *code, void *buf)
31 	switch (code->basesize) {
33 		*(u8 *)buf <<= code->lshift;
34 		*(u8 *)buf >>= code->rshift;
37 		*(u16 *)buf <<= code->lshift;
38 		*(u16 *)buf >>= code->rshift;
41 		*(u32 *)buf <<= code->lshift;
42 		*(u32 *)buf >>= code->rshift;
45 		*(u64 *)buf <<= code->lshift;
46 		*(u64 *)buf >>= code->rshift;
57 process_fetch_insn(struct fetch_insn *code, void *rec, void *edata,
103 process_common_fetch_insn(struct fetch_insn *code, unsigned long *val)
105 	switch (code->op) {
107 		*val = code->immediate;
113 		*val = (unsigned long)code->data;
123 process_fetch_insn_bottom(struct fetch_insn *code, unsigned long val,
134 		if (code->op == FETCH_OP_DEREF) {
136 			ret = probe_mem_read(&val, (void *)val + code->offset,
138 		} else if (code->op == FETCH_OP_UDEREF) {
141 				 (void *)val + code->offset, sizeof(val));
146 		code++;
149 	s3 = code;
153 		switch (code->op) {
155 			ret = fetch_store_strlen(val + code->offset);
156 			code++;
159 			ret = fetch_store_strlen_user(val + code->offset);
160 			code++;
163 			ret = fetch_store_symstrlen(val + code->offset);
164 			code++;
171 	switch (code->op) {
173 		fetch_store_raw(val, code, dest);
176 		probe_mem_read(dest, (void *)val + code->offset, code->size);
179 		probe_mem_read_user(dest, (void *)val + code->offset, code->size);
183 		ret = fetch_store_string(val + code->offset, dest, base);
187 		ret = fetch_store_string_user(val + code->offset, dest, base);
191 		ret = fetch_store_symstring(val + code->offset, dest, base);
196 	code++;
199 	if (code->op == FETCH_OP_MOD_BF) {
200 		fetch_apply_bitfield(code, dest);
201 		code++;
206 	if (code->op == FETCH_OP_LP_ARRAY) {
210 		if (++i < code->param) {
211 			code = s3;
218 			code--;
226 		code++;
230 	return code->op == FETCH_OP_END ? ret : -EILSEQ;
243 			len = process_fetch_insn(arg->code, regs, edata, NULL, NULL);
269 		ret = process_fetch_insn(arg->code, rec, edata, dl, base);