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Mark imports with a special type tag instead of relying on the export pointer

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being valid, because the export may not be available if the module was
compiled without debug information.


git-svn-id: svn://svn.cc65.org/cc65/trunk@5201 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
uz
2011-08-18 10:04:01 +00:00
parent 50adbf61f1
commit e53f4fa163
2 changed files with 14 additions and 8 deletions
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17
src/dbginfo/dbginfo.h
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@@ -400,17 +400,22 @@ void cc65_free_segmentinfo (cc65_dbginfo handle, const cc65_segmentinfo* info);
typedef enum {
CC65_SYM_EQUATE,
CC65_SYM_LABEL, /* Some sort of address */
CC65_SYM_IMPORT, /* An import */
} cc65_symbol_type;
/* Notes:
* - If the symbol is segment relative, the segment id gives segment
* information, otherwise it contains CC65_INV_ID.
* - If export_id is valid (not CC65_INV_ID), the symbol is an import and
* export_id allows to retrieve the corresponding export. The fields
* symbol_value and segment_id are taken from the export, since imports
* have no value or segments by itself. symbol_type and symbol_size are
* more or less unusable because they don't have a meaning for imports.
* - For normal symbols (not cheap locals) parent_id contains CC65_INV_ID.
* - If the type is CC65_SYM_IMPORT, export_id may contain the id of the
* export. This is not the case if the module contaiing the export doesn't
* have debug information.
* - For an import, the fields symbol_value and segment_id are taken from
* the export, if it is available, since imports have no value or segments
* by itself.
* - For an import symbol_type and symbol_size are more or less unusable
* because they don't have a meaning for imports.
* - For normal symbols (not cheap locals) parent_id contains CC65_INV_ID,
* for cheap locals it contains the symbol id of the parent symbol.
*/
typedef struct cc65_symboldata cc65_symboldata;
struct cc65_symboldata {