perf/util/symbol.c

8 #include <linux/kernel.h>
134 	/* Avoid "SyS" kernel syscall aliases */
245 		 * On some architecture kernel text segment start is located at
248 		 * kernel text segment and beginning of first module's text
250 		 * not assign it to the kernel dso map (kallsyms).
272 			/* Last kernel/module symbol mapped to end of page */
346 		       struct symbol *sym, bool kernel)
354 	if (kernel) {
705  * These are symbols in the kernel image, so make sure that
706  * sym is from a kernel DSO.
840  * kernel range is broken in several maps, named [kernel].N, as we don't have
918 			 * is the start of kernel text, by simply removing the
940 					"[guest.kernel].%d",
944 					"[kernel].%d",
1305 	/* This function requires that the map is the kernel map */
1313 	/* Modules and kernel must be present at their original addresses */
1343 	/* Find the kernel map using the '_stext' symbol */
1356 			 * On some architectures, ARM64 for example, the kernel
1437 		pr_debug("Using %s for kernel object code\n", kcore_filename);
1439 		pr_debug("Using %s for kernel data\n", kcore_filename);
1457  * If the kernel is relocated at boot time, kallsyms won't match.  Compute the
1728 		 * kernel modules know their symtab type - it's set when
2112 		 * any vmlinux file, try the running kernel kallsyms table.
2117 	if (sysfs__read_build_id("/sys/kernel/notes", &bid) == 0)
2326 	/* only try kernel version if no symfs was given */
2428 	FILE *fp = fopen("/proc/sys/kernel/kptr_restrict", "r");
2441 	/* Per kernel/kallsyms.c:
2584  * Checks that user supplied symbol kernel files are accessible because