diff options
Diffstat (limited to 'gdb/gdbtypes.h')
| -rw-r--r-- | gdb/gdbtypes.h | 51 |
1 files changed, 30 insertions, 21 deletions
diff --git a/gdb/gdbtypes.h b/gdb/gdbtypes.h index caeab83688f..a7e541cde6b 100644 --- a/gdb/gdbtypes.h +++ b/gdb/gdbtypes.h @@ -273,11 +273,31 @@ enum type_code #define TYPE_ADDRESS_CLASS_ALL(t) (TYPE_INSTANCE_FLAGS(t) \ & TYPE_FLAG_ADDRESS_CLASS_ALL) +/* Array bound type. */ +enum array_bound_type +{ + BOUND_SIMPLE = 0, + BOUND_BY_VALUE_IN_REG, + BOUND_BY_REF_IN_REG, + BOUND_BY_VALUE_ON_STACK, + BOUND_BY_REF_ON_STACK, + BOUND_CANNOT_BE_DETERMINED +}; + +/* This structure is space-critical. + Its layout has been tweaked to reduce the space used. */ + struct main_type { /* Code for kind of type */ - enum type_code code; + ENUM_BITFIELD(type_code) code : 8; + + /* Array bounds. These fields appear at this location because + they pack nicely here. */ + + ENUM_BITFIELD(array_bound_type) upper_bound_type : 4; + ENUM_BITFIELD(array_bound_type) lower_bound_type : 4; /* Name of this type, or NULL if none. @@ -299,17 +319,6 @@ struct main_type char *tag_name; - /* FIXME, these should probably be restricted to a Fortran-specific - field in some fashion. */ -#define BOUND_CANNOT_BE_DETERMINED 5 -#define BOUND_BY_REF_ON_STACK 4 -#define BOUND_BY_VALUE_ON_STACK 3 -#define BOUND_BY_REF_IN_REG 2 -#define BOUND_BY_VALUE_IN_REG 1 -#define BOUND_SIMPLE 0 - int upper_bound_type; - int lower_bound_type; - /* Every type is now associated with a particular objfile, and the type is allocated on the type_obstack for that objfile. One problem however, is that there are times when gdb allocates new types while @@ -341,6 +350,15 @@ struct main_type short nfields; + /* Field number of the virtual function table pointer in + VPTR_BASETYPE. If -1, we were unable to find the virtual + function table pointer in initial symbol reading, and + fill_in_vptr_fieldno should be called to find it if possible. + + Unused if this type does not have virtual functions. */ + + short vptr_fieldno; + /* For structure and union types, a description of each field. For set and pascal array types, there is one "field", whose type is the domain type of the set or array. @@ -422,15 +440,6 @@ struct main_type struct type *vptr_basetype; - /* Field number of the virtual function table pointer in - VPTR_BASETYPE. If -1, we were unable to find the virtual - function table pointer in initial symbol reading, and - fill_in_vptr_fieldno should be called to find it if possible. - - Unused if this type does not have virtual functions. */ - - int vptr_fieldno; - /* Slot to point to additional language-specific fields of this type. */ union type_specific |