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Using GDB with Different Languages

Although programming languages generally have common aspects, they are rarely expressed in the same manner. For instance, in ANSI C, dereferencing a pointer, p, is accomplished by *p, but in Modula-2, it is accomplished by pˆ. Values can also be represented (and displayed) differently. Hex numbers in C appear as ‘0x1ae’, while in Modula-2 they appear as ‘1AEH’.

Language-specific information is built into GDB for some languages, allowing you to express operations like the previous in your program’s native language, and allowing GDB to output values in a manner consistent with the syntax of your program’s native language. The language you use to build expressions is called the working language.

See the following documentation for more specific discussion on languages that GDB accomodates.

Switching between source languages

List of filename extensions and languages

Setting the working language

Having GDB infer the source language

Displaying the language

Type and range checking

An overview of type checking

An overview of range checking

Supported languages

C and C++

Modula-2