---
title: "symbol.h"
summary: "stuff needed to extract symbols from an ELFs `.symtab` section"
---

# `ELF_SYMBOL_TYPE(info)` - macro
Extracts the [elf_symbol_type_E](https://nerdcult.net/projects/noxos/docs/codebase/drivers/elf/symbol.h/#elf_symbol_type_e---enum) from the symbols info value.

# `elf_symbol_type_E` - enum
- **None** - Unspecified type
- **Object** - Data objects like variables, arrays, etc.
- **Func** - Function
- **Section** - Associated section
- **File** - The path to the source file associated with the object
- **Common** - Uninitialized common blocks
- **TLS** - Thread Local Storage

# `elf_symbol_T` - struct

| Name                  | Type                                                              | Description |
|-----------------------|-------------------------------------------------------------------|-------------|
| name_offset           | The offset of the symbols name in `.strtab`                       |             |
| info                  | Information about the symbol (type, bind)                         |             |
| other                 | Information about the symbol (visibility)                         |             |
| related_section_index | The index of the symbols related section                          |             |
| value                 | Value, in most cases this is an address                           |             |
| length                | The size of the symbol (e.g. num bytes if the symbol is an array) |             |