28 lines
1.5 KiB
Markdown
28 lines
1.5 KiB
Markdown
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---
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title: "symbol.h"
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summary: "stuff needed to extract symbols from an ELFs `.symtab` section"
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---
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# `ELF_SYMBOL_TYPE(info)` - macro
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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.
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# `elf_symbol_type_E` - enum
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- **None** - Unspecified type
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- **Object** - Data objects like variables, arrays, etc.
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- **Func** - Function
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- **Section** - Associated section
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- **File** - The path to the source file associated with the object
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- **Common** - Uninitialized common blocks
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- **TLS** - Thread Local Storage
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# `elf_symbol_T` - struct
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| Name | Type | Description |
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|-----------------------|-------------------------------------------------------------------|-------------|
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| name_offset | The offset of the symbols name in `.strtab` | |
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| info | Information about the symbol (type, bind) | |
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| other | Information about the symbol (visibility) | |
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| related_section_index | The index of the symbols related section | |
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| value | Value, in most cases this is an address | |
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| length | The size of the symbol (e.g. num bytes if the symbol is an array) | |
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