Re: [Crash-utility] Why module's global symbol cannot be displayed in crash? [ARM]

> KSYMS_START gets set during session initialization when parsing the base kernel > symbols from the vmlinux file in symtab_init()/store_symbols(), and it could never > get reset. OK, thanks for the clarification. Then I guess we can do something like the below patch? I'm not exactly sure if we can use ec->st_info below but it looks like arm_verify_symbol() doesn't use that anyway. diff --git a/symbols.c b/symbols.c index 4fb397c..10085be 100755 --- a/symbols.c +++ b/symbols.c @@ -2004,6 +2004,14 @@ store_module_kallsyms_v2(struct load_module *lm, int start, int curr, if (*nameptr == '\0') continue; + /* + * On ARM we have linker mapping symbols like '$a' and '$d'. + * Make sure that these don't end up into our symbol list. + */ + if (machine_type("ARM") && + !machdep->verify_symbol(nameptr, ec->st_value, ec->st_info)) + continue; + if (CRASHDEBUG(7)) fprintf(fp, "%s: st_name: %ld st_value: %lx st_shndx: %ld st_info: %c\n",