57 lines
968 B
Text
57 lines
968 B
Text
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Speculative thoughts on using a script to define what
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DWARF? to write out in an elf file:
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Syntax for dw tab entry
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# is comment
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levels by indentation like python
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attrs. indent to the tag they apply to.
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;section x
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;endsection x
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:label:
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[<level>] tag
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attr [form name] value
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any attr or tag may have a label.
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Various forms require specific value formats.
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values sometims require offsets such as a sibling ref
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or a fwd/rev ref or a ref to the debug_loc sec
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DW_FORM_data 1,2 integer
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DW_FORM_data 4,8 integer or offset depends on context
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DW_FORM_sdata, udata integer
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DW_FORM_string "string value"
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DW_FORM_strp "string value"
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DW_FORM_block 1,2,4,8 blk-fmt
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this is blk_fmt
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hex number
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decimal number
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[ dw-expr]
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sythetic forms:
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DW_FORM_loclist [label | loclist-itself]
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loclist-itself
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offset offset DW_FORM_block<n> [blk_fmt]
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...
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DW_FORM_maclist label
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DW_FORM_?
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Line table entries
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CIE entries
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FDE entries
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mac sec entries
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