.lcomm symbol , lengthReserve length (an absolute expression) bytes for a local common
denoted by symbol. The section and value of symbol are
those of the new local common. The addresses are allocated in the bss
section, so that at run-time the bytes start off zeroed. Symbol
is not declared global (see .global), so is normally
not visible to ld.
Some targets permit a third argument to be used with .lcomm. This
argument specifies the desired alignment of the symbol in the bss section.
The syntax for .lcomm differs slightly on the HPPA. The syntax is
‘symbol .lcomm, length’; symbol is optional.