diff options
author | Jan Kiszka <jan.kiszka@siemens.com> | 2015-02-17 22:46:55 +0100 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-02-17 23:34:53 +0100 |
commit | 7b599ef535a7faef53034fb7fb150b61057efe28 (patch) | |
tree | 9aa4adc57d1fc4cbd42126c7b606f9588ae93eee | |
parent | scripts/gdb: add automatic symbol reloading on module insertion (diff) | |
download | linux-7b599ef535a7faef53034fb7fb150b61057efe28.tar.xz linux-7b599ef535a7faef53034fb7fb150b61057efe28.zip |
scripts/gdb: add internal helper and convenience function to look up a module
Add the internal helper get_module_by_name to obtain the module structure
corresponding to the given name. Also export this service as a
convenience function.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Jason Wessel <jason.wessel@windriver.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Ben Widawsky <ben@bwidawsk.net>
Cc: Borislav Petkov <bp@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r-- | scripts/gdb/linux/modules.py | 28 | ||||
-rw-r--r-- | scripts/gdb/vmlinux-gdb.py | 1 |
2 files changed, 29 insertions, 0 deletions
diff --git a/scripts/gdb/linux/modules.py b/scripts/gdb/linux/modules.py index 8a65c3d5eecb..531f7632d03f 100644 --- a/scripts/gdb/linux/modules.py +++ b/scripts/gdb/linux/modules.py @@ -37,3 +37,31 @@ class ModuleList: return utils.container_of(entry, self.module_ptr_type, "list") else: raise StopIteration + + +def find_module_by_name(name): + for module in ModuleList(): + if module['name'].string() == name: + return module + return None + + +class LxModule(gdb.Function): + """Find module by name and return the module variable. + +$lx_module("MODULE"): Given the name MODULE, iterate over all loaded modules +of the target and return that module variable which MODULE matches.""" + + def __init__(self): + super(LxModule, self).__init__("lx_module") + + def invoke(self, mod_name): + mod_name = mod_name.string() + module = find_module_by_name(mod_name) + if module: + return module.dereference() + else: + raise gdb.GdbError("Unable to find MODULE " + mod_name) + + +LxModule() diff --git a/scripts/gdb/vmlinux-gdb.py b/scripts/gdb/vmlinux-gdb.py index 0b0faa4cb5a0..cf2e7161b280 100644 --- a/scripts/gdb/vmlinux-gdb.py +++ b/scripts/gdb/vmlinux-gdb.py @@ -24,3 +24,4 @@ except: else: import linux.utils import linux.symbols + import linux.modules |