Messages in this thread Patch in this message | | | From | "Matthias Urlichs" <> | Date | Sun, 13 Feb 2005 02:07:58 +0100 | Subject | [PATCH][2.6-mm] kgdb documentation fix |
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Hi,
Please apply.
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Update Documentation/i386/kgdb/gdbinit-modules to conform to the current kernel's module data structure.
Signed-Off-By: Matthias Urlichs <smurf@smurf.noris.de>
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===== Documentation/i386/kgdb/gdbinit-modules 1.1 vs edited ===== --- 1.1/Documentation/i386/kgdb/gdbinit-modules 2005-02-12 12:44:54 +01:00 +++ edited/Documentation/i386/kgdb/gdbinit-modules 2005-02-12 20:12:45 +01:00 @@ -60,87 +60,90 @@ # $mod is set to NULL. This ensure to not add symbols for a wrong # address. # +# +# Sat Feb 12 20:05:47 CET 2005 +# +# Adapted to the 2.6.* module data structure. +# (Getting miffed at gdb for not having "offsetof" in the process :-/ ) +# +# Autogenerate add-symbol-file statements from the module list instead +# of relying on a no-longer-working loadmodule.sh program. +# +# Matthias Urlichs <smurf@debian.org> +# +# # Have a nice hacking day ! # # define mod-list - set $mod = (struct module*)module_list - # the last module is the kernel, ignore it - while $mod != &kernel_module - printf "%p\t%s\n", (long)$mod, ($mod)->name - set $mod = $mod->next + set $lmod = modules->next + # This is a circular data structure + while $lmod != &modules + set $mod = (struct module *)(((char *)$lmod) - ((int)&(((struct module *)0) -> list))) + printf "%p\t%s\n", $mod, $mod->name + set $lmod = $lmod->next end end document mod-list +mod-list List all modules in the form: <module-address> <module-name> Use the <module-address> as the argument for the other mod-commands: mod-print-symbols, mod-add-symbols. end +define mod-list-syms + set $lmod = modules->next + # This is a circular data structure + while $lmod != &modules + set $mod = (struct module *)(((char *)$lmod) - ((int)&(((struct module *)0) -> list))) + printf "add-symbol-file %s.ko %p\n", $mod->name, $mod->module_core + set $lmod = $lmod->next + end +end +document mod-list-syms +mod-list-syms +List all modules in the form: add-symbol-file <module-path> <module-core> +for adding modules' symbol tables without loadmodule.sh. +end + define mod-validate - set $mod = (struct module*)module_list - while ($mod != $arg0) && ($mod != &kernel_module) - set $mod = $mod->next + set $lmod = modules->next + set $mod = (struct module *)(((char *)$lmod) - ((int)&(((struct module *)0) -> list))) + while ($lmod != &modules) && ($mod != $arg0) + set $lmod = $lmod->next + set $mod = (struct module *)(((char *)$lmod) - ((int)&(((struct module *)0) -> list))) end - if $mod == &kernel_module - set $mod = 0 - printf "%p is not a module\n", $arg0 + if $lmod == &modules + set $mod = 0 + printf "%p is not a module\n", $arg0 end end document mod-validate mod-validate <module-address> Internal user-command used to validate the module parameter. -If <module> is a real loaded module, set $mod to it otherwise set $mod to 0. +If <module> is a real loaded module, set $mod to it, otherwise set $mod +to 0. end - define mod-print-symbols mod-validate $arg0 if $mod != 0 - set $i = 0 - while $i < $mod->nsyms - set $sym = $mod->syms[$i] - printf "%p\t%s\n", $sym->value, $sym->name - set $i = $i + 1 - end + set $i = 0 + while $i < $mod->num_syms + set $sym = $mod->syms[$i] + printf "%p\t%s\n", $sym->value, $sym->name + set $i = $i + 1 + end + set $i = 0 + while $i < $mod->num_gpl_syms + set $sym = $mod->gpl_syms[$i] + printf "%p\t%s\n", $sym->value, $sym->name + set $i = $i + 1 + end end end document mod-print-symbols mod-print-symbols <module-address> -Print all exported symbols of the module. see mod-list -end - - -define mod-add-symbols-align - mod-validate $arg0 - if $mod != 0 - set $mod_base = ($mod->size_of_struct + (long)$mod) - if ($arg2 != 0) && (($mod_base & ($arg2 - 1)) != 0) - set $mod_base = ($mod_base | ($arg2 - 1)) + 1 - end - add-symbol-file $arg1 $mod_base - end -end -document mod-add-symbols-align -mod-add-symbols-align <module-address> <object file path name> <align> -Load the symbols table of the module from the object file where -first section aligment is <align>. -To retreive alignment, use `objdump -h <object file path name>'. +Print all exported symbols of the module. See mod-list end -define mod-add-symbols - mod-add-symbols-align $arg0 $arg1 sizeof(long) -end -document mod-add-symbols -mod-add-symbols <module-address> <object file path name> -Load the symbols table of the module from the object file. -Default alignment is 4. See mod-add-symbols-align. -end - -define mod-add-lis - mod-add-symbols-align $arg0 /usr/src/LiS/streams.o 16 -end -document mod-add-lis -mod-add-lis <module-address> -Does mod-add-symbols <module-address> /usr/src/LiS/streams.o -end -- Matthias Urlichs | {M:U} IT Design @ m-u-it.de | smurf@smurf.noris.de[unhandled content-type:application/pgp-signature] | |