1 // SPDX-License-Identifier: GPL-2.0
15 #define UM(x) kallsyms_map->unmap_ip(kallsyms_map, (x))
19 	int err = -1;  in test__vmlinux_matches_kallsyms()
42 	 * and find the .ko files that match them in /lib/modules/`uname -r`/.  in test__vmlinux_matches_kallsyms()
54 	 * and has parts that only make sense if using the non-kcore code.  in test__vmlinux_matches_kallsyms()
78 	 * Now repeat step 2, this time for the vmlinux file we'll auto-locate.  in test__vmlinux_matches_kallsyms()
95 	 * maps__reloc_vmlinux will notice and set proper ->[un]map_ip routines  in test__vmlinux_matches_kallsyms()
117 		if (sym->start == sym->end)  in test__vmlinux_matches_kallsyms()
120 		mem_start = vmlinux_map->unmap_ip(vmlinux_map, sym->start);  in test__vmlinux_matches_kallsyms()
121 		mem_end = vmlinux_map->unmap_ip(vmlinux_map, sym->end);  in test__vmlinux_matches_kallsyms()
126 		if (pair && UM(pair->start) == mem_start) {  in test__vmlinux_matches_kallsyms()
128 			if (arch__compare_symbol_names(sym->name, pair->name) == 0) {  in test__vmlinux_matches_kallsyms()
131 				 * set that by using the next symbol start - 1,  in test__vmlinux_matches_kallsyms()
138 				s64 skew = mem_end - UM(pair->end);  in test__vmlinux_matches_kallsyms()
141 						 mem_start, sym->name, mem_end,  in test__vmlinux_matches_kallsyms()
142 						 UM(pair->end));  in test__vmlinux_matches_kallsyms()
152 				pair = machine__find_kernel_symbol_by_name(&kallsyms, sym->name, NULL);  in test__vmlinux_matches_kallsyms()
154 					if (UM(pair->start) == mem_start)  in test__vmlinux_matches_kallsyms()
158 						 mem_start, sym->name, pair->name);  in test__vmlinux_matches_kallsyms()
161 						 mem_start, sym->name, first_pair->name);  in test__vmlinux_matches_kallsyms()
166 		} else if (mem_start == kallsyms.vmlinux_map->end) {  in test__vmlinux_matches_kallsyms()
174 				 mem_start, sym->name);  in test__vmlinux_matches_kallsyms()
177 		err = -1;  in test__vmlinux_matches_kallsyms()
190 		 * so use the short name, less descriptive but the same ("[kernel]" in  in test__vmlinux_matches_kallsyms()
193 		pair = maps__find_by_name(&kallsyms.kmaps, (map->dso->kernel ?  in test__vmlinux_matches_kallsyms()
194 								map->dso->short_name :  in test__vmlinux_matches_kallsyms()
195 								map->dso->name));  in test__vmlinux_matches_kallsyms()
197 			pair->priv = 1;  in test__vmlinux_matches_kallsyms()
212 		mem_start = vmlinux_map->unmap_ip(vmlinux_map, map->start);  in test__vmlinux_matches_kallsyms()
213 		mem_end = vmlinux_map->unmap_ip(vmlinux_map, map->end);  in test__vmlinux_matches_kallsyms()
216 		if (pair == NULL || pair->priv)  in test__vmlinux_matches_kallsyms()
219 		if (pair->start == mem_start) {  in test__vmlinux_matches_kallsyms()
225 			pr_info("WARN: %" PRIx64 "-%" PRIx64 " %" PRIx64 " %s in kallsyms as",  in test__vmlinux_matches_kallsyms()
226 				map->start, map->end, map->pgoff, map->dso->name);  in test__vmlinux_matches_kallsyms()
227 			if (mem_end != pair->end)  in test__vmlinux_matches_kallsyms()
228 				pr_info(":\nWARN: *%" PRIx64 "-%" PRIx64 " %" PRIx64,  in test__vmlinux_matches_kallsyms()
229 					pair->start, pair->end, pair->pgoff);  in test__vmlinux_matches_kallsyms()
230 			pr_info(" %s\n", pair->dso->name);  in test__vmlinux_matches_kallsyms()
231 			pair->priv = 1;  in test__vmlinux_matches_kallsyms()
240 		if (!map->priv) {  in test__vmlinux_matches_kallsyms()