gdb programming print global variables

Take a global array as an example to illustrate how to programmatically print all variables in gdb:

Write variable traversal code

Create the search.gdb file and write the following:

define print_hash_table
	set $cnt =1
	set $use=2
	while $cnt
		set $hash_entry=(g_hash_entry_t *)(hash_table.table + 123 * $cnt)
		if $hash_entry.valid == 0x1
			p /x *$hash_entry
		end
		if $cnt < 1024
			set $cnt = $cnt + 1
		else
			loop_break
		end
	end
end

Instructions

gdb process process.core
source search.gdb
print_hash_table