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+# pelfy
+
+## Description
+Pelfy is ELF (Executable and Linkable Format) parser written in python. It shows
+header fields, sections, symbols and relocation and gives access to all raw data
+as well as human readable names. 
+
+### Key Features
+- Provide names for fields and values as well as descriptions
+- Relocation types for x86, mips, arm and risc-v all in 32 and 64 bit
+- Compact syntax
+- Outputs tables in HTML, markdown or text
+- Jupyter notebook support
+- Pure python and no dependencies
+
+### Usage Scenarios
+- Reverse engineering tools
+- Testing
+- Documentation
+
+## Installation
+The package has no additional decencies. It can be installed with pip:
+
+```bash
+pip install pelfy
+```
+
+## Usage
+Example code and its outputs:
+
+```python
+import pelfy
+
+elf = pelfy.open_elf_file('obj/test-c-riscv64-linux-gnu-gcc-12-O3.o')
+elf.sections
+```
+| index | name              | type         | description                       |
+|------:|-------------------|--------------|-----------------------------------|
+|     0 |                   | SHT_NULL     | Section header table entry unused |
+|     1 | .text             | SHT_PROGBITS | Program data                      |
+|     2 | .rela.text        | SHT_RELA     | Relocation entries with addends   |
+|     3 | .data             | SHT_PROGBITS | Program data                      |
+|     4 | .bss              | SHT_NOBITS   | Program space with no data (bss)  |
+|     5 | .comment          | SHT_PROGBITS | Program data                      |
+|     6 | .note.GNU-stack   | SHT_PROGBITS | Program data                      |
+|     7 | .riscv.attributes | 0x70000003   | Application-specific              |
+|     8 | .symtab           | SHT_SYMTAB   | Symbol table                      |
+|     9 | .strtab           | SHT_STRTAB   | String table                      |
+|    10 | .shstrtab         | SHT_STRTAB   | String table                      |
+```python
+elf.functions
+```
+| index | name               | info     | size | stb        | description             |
+|-------|--------------------|----------|-----:|------------|-------------------------|
+|    11 | result_float       | STT_FUNC |    8 | STB_GLOBAL | Symbol is a code object |
+|    12 | result_float_float | STT_FUNC |   12 | STB_GLOBAL | Symbol is a code object |
+|    13 | add_float_float    | STT_FUNC |   12 | STB_GLOBAL | Symbol is a code object |
+|    14 | mul_float_float    | STT_FUNC |   12 | STB_GLOBAL | Symbol is a code object |
+|    15 | read_float         | STT_FUNC |   16 | STB_GLOBAL | Symbol is a code object |
+```python
+elf.symbols['read_float'].get_relocations()
+```
+| index | symbol name        | type                 | calculation |
+|-------|--------------------|----------------------|-------------|
+|     4 | .LANCHOR0          | R_RISCV_PCREL_HI20   | S + A - P   |
+|     5 |                    | R_RISCV_RELAX        |             |
+|     6 | .L0                | R_RISCV_PCREL_LO12_I | S - P       |
+|     7 |                    | R_RISCV_RELAX        |             |
+|     8 | result_float_float | R_RISCV_CALL_PLT     | S + A - P   |
+|     9 |                    | R_RISCV_RELAX        |             |
+
+## Contributing
+Contributions are welcome! Please open an issue or submit a pull request on GitHub.
+
+## Developer Guide
+To get started with developing the `pelfy` package, follow these steps:
+
+First, clone the repository to your local machine using Git:
+
+```bash
+git clone https://github.com/Nonannet/pelfy.git
+cd pelfy
+```
+
+Install the package while keeping files in the current dev directory:
+
+```bash
+pip install -e .
+```
+
+Install pytest (unit testing), mypy (type checking) and flake8 (style guide checking):
+
+```bash
+pip install pytest mypy flake8
+```
+
+Ensure that everything is set up correctly by running the tests:
+
+```bash
+pytest
+```
+
+For creating additional test object files place the source c-files in the `tests/src/` directory,
+change the current directory to `tests/src/` and run `bash run_cross_compilation.sh`. This
+script uses a docker container to cross compile all c-files to object files and outputs
+them in the tests/obj directory.
+   
+## License
+This project is licensed under the MIT License - see the [LICENSE](LICENSE) file for details.
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