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| author | Jim Blandy <jimb@codesourcery.com> | 2002-11-06 20:57:41 +0000 |
|---|---|---|
| committer | Jim Blandy <jimb@codesourcery.com> | 2002-11-06 20:57:41 +0000 |
| commit | ad23afcb2b8465db98ae495763421ec136b34605 (patch) | |
| tree | 666f008f9f7de42bc733fd2cb32742eaae1f435d /gdb/macrotab.h | |
| parent | 112dd94e02e34d5e6ff53d5a43b98332ae245d20 (diff) | |
| download | gdb-ad23afcb2b8465db98ae495763421ec136b34605.tar.gz | |
* macrotab.h (struct macro_source_file): Doc fix.
Diffstat (limited to 'gdb/macrotab.h')
| -rw-r--r-- | gdb/macrotab.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/gdb/macrotab.h b/gdb/macrotab.h index df32977967e..bd44e2c3ed3 100644 --- a/gdb/macrotab.h +++ b/gdb/macrotab.h @@ -83,6 +83,15 @@ struct macro_table; tree mapping the #inclusions that contributed to the compilation unit, with the main source file as its root. + Beware --- not every source file mentioned in a compilation unit's + symtab structures will appear in the #inclusion tree! As of Oct + 2002, GCC does record the effect of #line directives in the source + line info, but not in macro info. This means that GDB's symtabs + (built from the former, among other things) may mention filenames + that the #inclusion tree (built from the latter) doesn't have any + record of. See macroscope.c:sal_macro_scope for how to accomodate + this. + It's worth noting that libcpp has a simpler way of representing all this, which we should consider switching to. It might even be suitable for ordinary non-macro line number info. |