off = kallsyms_expand_symbol(off, namebuf, ARRAY_SIZE(namebuf)); if (strcmp(namebuf, name) == 0) return kallsyms_addresses[i]; return kallsyms_sym_address(i); } return module_kallsyms_lookup_name(name); } @@ -204,7 +225,7 @@ int kallsyms_on_each_symbol(int (*fn)(void *, ...
int kallsyms_on_each_symbol(int (*fn)(void *, const char *, unsigned long), @@ -94,9 +97,6 @@ extern int sprint_backtrace_build_id(char *buffer, unsigned long address); int lookup_symbol_name(unsigned long addr, char *symname); /* How and when do we show kallsyms values? *...
kallsyms_on_each_symbol kallsyms_lookup Lookup an address* - modname is set to NULL if it's in the kernel.* - We guarantee that the returned name is valid until we reschedule even if.* It resides in a module.* - We also guarantee that modname will be valid until rescheduled. lookup...
反之,如果没有 kallsyms 的帮助,内核只能将十六进制的符号地址呈现给外界,因为机器能理解的只有符号地址,而并不包括人类可读的符号名称。 一般来说,内核只会导出由EXPORT_PARM宏(如EXPORT_SYMBOL_GPL、EXPORT_SYMBOL等)指定的符号给模块使用。为了使debugger提供更好的调试功能,需要使用kallsyms工具为内核生成__kallsyms...
CONFIG_KALLSYMS_ALL=y 符号表中包括所有的变量(包括没有用EXPORT_SYMBOL导出的变量) CONFIG_KALLSYMS_EXTRA_PASS=y make menuconfig General setup ---> [*] Configure standard kernel features (for small systems) ---> [*] Load all symbols for debugging/ksymoops (选中此项,才有/proc/kallsyms接口文件...
CONFIG_KALLSYMS_ALL=y 符号表中包括所有的变量(包括没有用EXPORT_SYMBOL导出的变量) CONFIG_KALLSYMS_EXTRA_PASS=y make menuconfig General setup ---> [*] Configure standard kernel features (for small systems) ---> [*] Load all symbols for debugging/ksymoops (选中此项,才有/proc/kallsyms接口文件...
CONFIG_KALLSYMS_ALL=y 符号表中包括所有的变量(包括没有用EXPORT_SYMBOL导出的变量) CONFIG_KALLSYMS_EXTRA_PASS=y make menuconfig General setup ---> [*] Configure standard kernel features (for small systems) ---> [*] Load all symbols for debugging/ksymoops (选中此项,才有/proc/kallsyms...
> > 2. Second phase: In a subsequent run in the same build, "kas_alias" > processes module objects and injects aliases into the objects' symbol > tables where necessary. This operation is done by modifying > 'scripts/Makefile.modfinal' to include an action for each processed > module....
/ kernel / kallsyms.c v6 v5 v4 v4.20 v4.19 v4.18 v4.17 v4.16 v4.15 v4.14 v4.13 v4.12 v4.11 v4.10 v4.9 v4.8 v4.7 v4.6 v4.5 v4.4 v4.4.302 v4.4.301 v4.4.300 v4.4.299 v4.4.298 v4.4.297 v4.4.296 v4.4.295 v4.4.294 v4.4.293 v4.4.292 v4.4.291 ...
CONFIG_KALLSYMS_ALL=y 符号表中包括所有的变量(包括没有用EXPORT_SYMBOL导出的变量) CONFIG_KALLSYMS_EXTRA_PASS=y make menuconfig General setup---> [*]Configure standard kernel features(forsmall systems)---> [*]Load all symbolsfordebugging/ksymoops (选中此项,才有/proc/kallsyms接口文件,oops问题,选...