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(ld.info)Expressions

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Expressions in Linker Scripts
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   The syntax for expressions in the linker script language is
identical to that of C expressions.  All expressions are evaluated as
integers.  All expressions are evaluated in the same size, which is 32
bits if both the host and target are 32 bits, and is otherwise 64 bits.

   You can use and set symbol values in expressions.

   The linker defines several special purpose builtin functions for use
in expressions.

Constants

Constants

Symbols

Symbol Names

Location Counter

The Location Counter

Operators

Operators

Evaluation

Evaluation

Expression Section

The Section of an Expression

Builtin Functions

Builtin Functions