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STAB type Specifications
The format used for type-strings is designed more for easy digestion
by the debugger than for ease of reading. The single letters "I"
and "C" are used to specify the types integer and character. A
"*" followed by a type string is used to identify a pointer to a
value of the type described by the type string. Thus, the type string
"*I" would be used for a variable defined as a pointer to an
integer. Array types are indicated by two integers in square brackets
followed by a type string. The first integer indicates the number of
elements in the array. The second integer indicates the size of each
value of the element type. The remainder of the type string indicates
the type of the array's elements. Thus, "[10,1]*I" would describe
an array of 10 integer pointers. Finally, structure and union types
are specified by including an integer in curly braces (i.e. "{4}"
). In this case, the integer is interpreted as the number associated
with the structure/union type in the STAB-STRUCT directive
that describes the type to the debugger.