mirrors/binutils-gdb
1
0
Fork 0
mirror of https://sourceware.org/git/binutils-gdb.git synced 2024-11-23 10:03:47 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

2003-08-20 Michael Chastain <mec@shout.net>

Browse Source 
* gdbtypes.h (struct main_type): Rearrange to save space.
This commit is contained in:
Michael Chastain 2003-08-20 23:00:06 +00:00
parent 260a4188fe
commit 0955bbf0c0
2 changed files with 29 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
gdb/ChangeLog
View File

@ -1,3 +1,7 @@
2003-08-20 Michael Chastain <mec@shout.net>
* gdbtypes.h (struct main_type): Rearrange to save space.
2003-08-20 Michael Snyder <msnyder@redhat.com>
* trad-frame.c: Comment typo fix.

46
gdb/gdbtypes.h
View File

@ -272,11 +272,26 @@ enum type_code
#define TYPE_ADDRESS_CLASS_ALL(t) (TYPE_INSTANCE_FLAGS(t) \
& TYPE_FLAG_ADDRESS_CLASS_ALL)
/* 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;
/* These fields appear at this location because they pack nicely here. */
/* 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 : 4;
int lower_bound_type : 4;
/* Name of this type, or NULL if none.
@ -298,17 +313,6 @@ 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
@ -340,6 +344,15 @@ 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.
@ -421,15 +434,6 @@ 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