# struct Hund{
# int a = 1;
# long b = 2;
# short c = 3;
# byte d = 4;
# float e = 5;
# cfloat f = 6 + 0i;
# }
#
# struct Katze{
# byte g = 89;
# }
#
# struct Maus{
# }
dmd -c test.d
readelf -s test.o
Symbol table '.symtab' contains 20 entries:
Num: Value Size Type Bind Vis Ndx Name
13: 00000000 0 OBJECT GLOBAL DEFAULT 6 _init_4test4Hund
14: 00000020 0 OBJECT GLOBAL DEFAULT 6 _init_4test5Katze
15: 00000021 0 OBJECT GLOBAL DEFAULT 6 _init_4test4Maus
documentation of Elf32_Sym.st_size
(Portable Formats Specification, Version 1.1):
> Many symbols have associated sizes. For example,
> a data object’s size is the number of bytes contained
> in the object. This member holds 0 if the symbol has
> no size or an unknown size.
_init_* seem to have a known size.