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| author | Jim Kingdon <jkingdon@engr.sgi.com> | 1993-07-30 23:06:37 +0000 |
|---|---|---|
| committer | Jim Kingdon <jkingdon@engr.sgi.com> | 1993-07-30 23:06:37 +0000 |
| commit | eec03ebb503f2fa9a2ab1344294333e800c19194 (patch) | |
| tree | 4ce6d5ce35955b7f9c0164b34acf263f2540c638 | |
| parent | 45743c78673d23474c68cb4461b522eaea3c476a (diff) | |
| download | gdb-eec03ebb503f2fa9a2ab1344294333e800c19194.zip gdb-eec03ebb503f2fa9a2ab1344294333e800c19194.tar.gz gdb-eec03ebb503f2fa9a2ab1344294333e800c19194.tar.bz2 | |
* gdbtypes.h: Improve comments about C++ methods.
| -rw-r--r-- | gdb/ChangeLog | 4 | ||||
| -rw-r--r-- | gdb/gdbtypes.h | 25 |
2 files changed, 26 insertions, 3 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index f6a3573..e3b2d68 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,7 @@ +Fri Jul 30 15:43:49 1993 Jim Kingdon (kingdon@lioth.cygnus.com) + + * gdbtypes.h: Improve comments about C++ methods. + Fri Jul 30 14:16:32 1993 Fred Fish (fnf@deneb.cygnus.com) * c-exp.y: Add missing 5th arg for one call to lookup_symbol, cast diff --git a/gdb/gdbtypes.h b/gdb/gdbtypes.h index c582df1..679d569 100644 --- a/gdb/gdbtypes.h +++ b/gdb/gdbtypes.h @@ -292,7 +292,10 @@ struct type struct cplus_struct_type { - /* Number of base classes this type derives from. */ + /* Number of base classes this type derives from. The baseclasses are + stored in the first N_BASECLASSES fields (i.e. the `fields' field of + the struct type). I think only the `type' field of such a field has + any meaning. */ short n_baseclasses; @@ -357,7 +360,16 @@ struct cplus_struct_type struct fn_field { - /* The name after it has been processed */ + /* If is_stub is clear, this is the mangled name which we can + look up to find the address of the method (FIXME: it would + be cleaner to have a pointer to the struct symbol here + instead). */ + + /* If is_stub is set, this is the portion of the mangled + name which specifies the arguments. For example, "ii", + if there are two int arguments, or "" if there are no + arguments. See gdb_mangle_name for the conversion from this + format to the one used if is_stub is clear. */ char *physname; @@ -365,7 +377,9 @@ struct cplus_struct_type struct type *type; - /* The argument list */ + /* The argument list. Only valid if is_stub is clear. Contains + the type of each argument, including `this', and ending with + a NULL pointer after the last argument. */ struct type **args; @@ -380,7 +394,12 @@ struct cplus_struct_type unsigned int is_volatile : 1; unsigned int is_private : 1; unsigned int is_protected : 1; + + /* A stub method only has some fields valid (but they are enough + to reconstruct the rest of the fields). */ unsigned int is_stub : 1; + + /* Unused. */ unsigned int dummy : 3; /* Index into that baseclass's virtual function table, |