SQLite with gcov Code Coverage

This skill provides guidance for compiling SQLite or similar C/C++ projects with gcov instrumentation for code coverage analysis.

Core Concepts

How gcov Works

gcov generates two types of files:

• .gcno files: Generated at compile time, contain control flow graph information
• .gcda files: Generated at runtime, contain execution counts

Critical understanding: gcov embeds absolute paths at compile time. The .gcda files are written to paths based on where the source was compiled, NOT where the binary is installed or executed from.

Path Mechanics