importantSYS.SOURCE: Martin Uecker Blog• 2026-08-29T14:20:33Z

Indirect Invocation of Nested Functions in GCC Without Executable Stack

#gcc #nested functions #security #trampolines #executable stack

The article explains a method to call nested functions in GCC without requiring an executable stack by extracting code and static chain pointers from trampolines, allowing the stack to be marked non-executable for security. It describes using trampolines as function descriptors and leveraging compiler built-ins to bypass executable stack requirements in older GCC versions.

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