Texas Instruments TMS320C54x, User Manual

Page: 390 / 469

Define a Structure
.stag/.etag/.utag/.eos
B-9 Symbolic Debugging Directives
Example 2 Following is an example of a union definition.
C source:
union u_tag {
int val1;
float val2;
char valc;
} valu;
Resulting assembly language code:
.utag _u_tag,32
.member _val1,0,4,11,16
.member _val2,0,6,11,32
.member _valc,0,2,11,16
.eos
Example 3 Following is an example of an enumeration definition.
C Source:
{
enum o_ty { reg_1, reg_2, result } optypes;
}
Resulting assembly language code:
.etag _o_ty,16
.member _reg_1,0,4,16,16
.member _reg_2,1,4,16,16
.member _result,2,4,16,16
.eos