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Libc: Difference between revisions
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* <tt>backtrace_symbols</tt>, given the output of <tt>backtrace</tt>, will populate its argv-style return value with any symbols it can look up | * <tt>backtrace_symbols</tt>, given the output of <tt>backtrace</tt>, will populate its argv-style return value with any symbols it can look up | ||
In order to extract symbols, appropriate binaries must: | In order to extract symbols, appropriate binaries must: | ||
* not be stripped (or linked with -s), | * not be stripped (or linked with -s), | ||
* be linked with -rdynamic/--export-dynamic | * be linked with -rdynamic/--export-dynamic, and | ||
* provide frame pointers (none for inlined code, omitted with most [[gcc]] optimization levels) | |||
