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#
# gdb_macros is a gdb script file which can assist
# developer in debugging. This script provides
# following functions for debugging gluster processes
# effectively:
#
# pdict : This function will iterate through all the
# dictionary (dict_t) members and print the
# key-value pair.
#
# plist : This function will print address of each member
# of gluster list (list_head).
#
# gdb script should be loaded in gdb before using these
# functions. gdb script can be loaded on-demand or on gdb
# start-up. Use the following command on gdb prompt for
# loading it on-demand.
# source <script filename>
# e.g.
# (gdb) source /mnt/gdb_macros
#
# To automatically load gdb script on startup use .gdbinit
# file. This file is automatically loaded by gdb on start.
# Edit (or create) ~/.gdbinit file and add the following
# entry:
# source /mnt/gdb_macros
#
# This is an internal helper function
define _print_dict_data
set $data = ($arg0)
set $len = $data->len - 1
set $i = 0
set $ishex = 0
while ($i < $len)
set $ch = $data->data [$i]
# Print only alpha-numeric values as char
# and remaining as hex value. This is done
# in this way because using %s screws up
# the display if the string has non-displayable
# characters
if ($ishex == 0) && ($ch > 31) && ($ch < 127)
printf "%c", $ch
else
printf "%x", ($ch & 0xFF)
set $ishex = 1
end
set $i = $i + 1
end
end
define pdict
set $cnt = 1
set $temp = *($arg0->members)
while ($temp)
printf "[%d](%s::",$cnt, $temp->key
_print_dict_data ($temp)->value
printf ")\n"
set $temp = $temp->next
set $cnt = $cnt + 1
end
printf "Done\n"
end
define plist
set $node = &($arg0)
set $head = $node
printf "[0x%lx]", $node
set $node = $node->next
while ($node != $head)
printf "--> [0x%lx]", $node
set $node = $node->next
end
printf "\n"
end
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