^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) #include <linux/compiler.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) #include <linux/rbtree.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) #include <inttypes.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) #include <string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #include <stdlib.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #include "dso.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include "map.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include "symbol.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <internal/lib.h> // page_size
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include "tests.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include "debug.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include "machine.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #define UM(x) kallsyms_map->unmap_ip(kallsyms_map, (x))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) int test__vmlinux_matches_kallsyms(struct test *test __maybe_unused, int subtest __maybe_unused)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) int err = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) struct rb_node *nd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) struct symbol *sym;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) struct map *kallsyms_map, *vmlinux_map, *map;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) struct machine kallsyms, vmlinux;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) struct maps *maps = machine__kernel_maps(&vmlinux);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) u64 mem_start, mem_end;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) bool header_printed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) * Step 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) * Init the machines that will hold kernel, modules obtained from
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) * both vmlinux + .ko files and from /proc/kallsyms split by modules.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) machine__init(&kallsyms, "", HOST_KERNEL_ID);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) machine__init(&vmlinux, "", HOST_KERNEL_ID);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) * Step 2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) * Create the kernel maps for kallsyms and the DSO where we will then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) * load /proc/kallsyms. Also create the modules maps from /proc/modules
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) * and find the .ko files that match them in /lib/modules/`uname -r`/.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) if (machine__create_kernel_maps(&kallsyms) < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) pr_debug("machine__create_kernel_maps ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) * Step 3:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) * Load and split /proc/kallsyms into multiple maps, one per module.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) * Do not use kcore, as this test was designed before kcore support
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) * and has parts that only make sense if using the non-kcore code.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) * XXX: extend it to stress the kcorre code as well, hint: the list
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) * of modules extracted from /proc/kcore, in its current form, can't
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) * be compacted against the list of modules found in the "vmlinux"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) * code and with the one got from /proc/modules from the "kallsyms" code.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) if (machine__load_kallsyms(&kallsyms, "/proc/kallsyms") <= 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) pr_debug("dso__load_kallsyms ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) * Step 4:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) * kallsyms will be internally on demand sorted by name so that we can
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) * find the reference relocation * symbol, i.e. the symbol we will use
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) * to see if the running kernel was relocated by checking if it has the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) * same value in the vmlinux file we load.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) kallsyms_map = machine__kernel_map(&kallsyms);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) * Step 5:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) * Now repeat step 2, this time for the vmlinux file we'll auto-locate.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) if (machine__create_kernel_maps(&vmlinux) < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) pr_debug("machine__create_kernel_maps ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) vmlinux_map = machine__kernel_map(&vmlinux);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) * Step 6:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) * Locate a vmlinux file in the vmlinux path that has a buildid that
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) * matches the one of the running kernel.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) * While doing that look if we find the ref reloc symbol, if we find it
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) * we'll have its ref_reloc_symbol.unrelocated_addr and then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) * maps__reloc_vmlinux will notice and set proper ->[un]map_ip routines
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) * to fixup the symbols.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) if (machine__load_vmlinux_path(&vmlinux) <= 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) pr_debug("Couldn't find a vmlinux that matches the kernel running on this machine, skipping test\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) err = TEST_SKIP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) * Step 7:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) * Now look at the symbols in the vmlinux DSO and check if we find all of them
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) * in the kallsyms dso. For the ones that are in both, check its names and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) * end addresses too.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) map__for_each_symbol(vmlinux_map, sym, nd) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) struct symbol *pair, *first_pair;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) sym = rb_entry(nd, struct symbol, rb_node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) if (sym->start == sym->end)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) mem_start = vmlinux_map->unmap_ip(vmlinux_map, sym->start);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) mem_end = vmlinux_map->unmap_ip(vmlinux_map, sym->end);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) first_pair = machine__find_kernel_symbol(&kallsyms, mem_start, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) pair = first_pair;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) if (pair && UM(pair->start) == mem_start) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) next_pair:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) if (arch__compare_symbol_names(sym->name, pair->name) == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) * kallsyms don't have the symbol end, so we
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) * set that by using the next symbol start - 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) * in some cases we get this up to a page
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) * wrong, trace_kmalloc when I was developing
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) * this code was one such example, 2106 bytes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) * off the real size. More than that and we
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) * _really_ have a problem.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) s64 skew = mem_end - UM(pair->end);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) if (llabs(skew) >= page_size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) pr_debug("WARN: %#" PRIx64 ": diff end addr for %s v: %#" PRIx64 " k: %#" PRIx64 "\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) mem_start, sym->name, mem_end,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) UM(pair->end));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) * Do not count this as a failure, because we
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) * could really find a case where it's not
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) * possible to get proper function end from
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) * kallsyms.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) pair = machine__find_kernel_symbol_by_name(&kallsyms, sym->name, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) if (pair) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) if (UM(pair->start) == mem_start)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) goto next_pair;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) pr_debug("WARN: %#" PRIx64 ": diff name v: %s k: %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) mem_start, sym->name, pair->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) pr_debug("WARN: %#" PRIx64 ": diff name v: %s k: %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) mem_start, sym->name, first_pair->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) } else if (mem_start == kallsyms.vmlinux_map->end) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) * Ignore aliases to _etext, i.e. to the end of the kernel text area,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) * such as __indirect_thunk_end.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) pr_debug("ERR : %#" PRIx64 ": %s not on kallsyms\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) mem_start, sym->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) err = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) if (verbose <= 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) header_printed = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) maps__for_each_entry(maps, map) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) struct map *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) * If it is the kernel, kallsyms is always "[kernel.kallsyms]", while
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) * the kernel will have the path for the vmlinux file being used,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) * so use the short name, less descriptive but the same ("[kernel]" in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) * both cases.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) pair = maps__find_by_name(&kallsyms.kmaps, (map->dso->kernel ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) map->dso->short_name :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) map->dso->name));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) if (pair) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) pair->priv = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) if (!header_printed) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) pr_info("WARN: Maps only in vmlinux:\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) header_printed = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) map__fprintf(map, stderr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) header_printed = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) maps__for_each_entry(maps, map) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) struct map *pair;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) mem_start = vmlinux_map->unmap_ip(vmlinux_map, map->start);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) mem_end = vmlinux_map->unmap_ip(vmlinux_map, map->end);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) pair = maps__find(&kallsyms.kmaps, mem_start);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) if (pair == NULL || pair->priv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) if (pair->start == mem_start) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) if (!header_printed) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) pr_info("WARN: Maps in vmlinux with a different name in kallsyms:\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) header_printed = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) pr_info("WARN: %" PRIx64 "-%" PRIx64 " %" PRIx64 " %s in kallsyms as",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) map->start, map->end, map->pgoff, map->dso->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) if (mem_end != pair->end)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) pr_info(":\nWARN: *%" PRIx64 "-%" PRIx64 " %" PRIx64,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) pair->start, pair->end, pair->pgoff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) pr_info(" %s\n", pair->dso->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) pair->priv = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) header_printed = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) maps = machine__kernel_maps(&kallsyms);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) maps__for_each_entry(maps, map) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) if (!map->priv) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) if (!header_printed) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) pr_info("WARN: Maps only in kallsyms:\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) header_printed = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) map__fprintf(map, stderr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) machine__exit(&kallsyms);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) machine__exit(&vmlinux);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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