Dwarf information about a symbol

[ankit thukral]

hi all,  
    this is regarding the dwarf information regarding
a variable (which is in struct symbol in the following
field : symbol.aux_value.loc.baton.data  ).can this
information change over different stages in the
process? for instance,if a variable ,which is in a
register during early stages of the program,ceases to
be in the register (due to less usage) and is stored
in memory,then the symbol Dwarf information should
change from DW_OP_regx to
DW_OP_fbreg.
     i am not very sure whether my knowledge about the
compilation process (gcc , of course) is correct to
this end.

thanks in advance,
ankit.

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