ax[?] manage refs/xrefs (see also afx?)

Usage: ax[?d-l*] # see also 'afx?'

• ax addr [at] add code ref pointing to addr (from curseek)
• axc addr [at] add code jmp ref // unused?
• axC addr [at] add code call ref
• axg addr show xrefs graph to reach current function
• axgj [addr] show xrefs graph to reach current function in json format
• axd addr [at] add data ref
• axq list refs in quiet/human-readable format
• axj list refs in json format
• axF [flg-glob] find data/code references of flags

• axt [addr] find data/code references to this address xref to

• Example use case is axt @@ str.* to look for xrefs to all strings_

• axtg
• axf [addr] find data/code references from this address xref from
• axff xrefs from function
• ax- [at] clean all refs (or refs from addr)
• ax list refs
• axk [query] perform sdb query
• ax* output radare commands