DOL (File Format)

DOL (DOLphin) is the file format containing the executable game code used on GameCube and Wii. The format contains statically linked code and thus does not support relocation or symbol information, which is instead supported by REL and RSO.

File Format

The DOL file format is very simple and only consists of a header followed by section data.

Header

The file starts with the following header:

Offset	Type	Description
0x00	UInt32[18]	Section offsets. Offset to each section data, relative the start of the file. Set to 0 for unused sections.
0x48	UInt32[18]	Section addresses. Virtual memory address of each section, where the section data should be copied to. Set oto 0 for unused sections.
0x90	UInt32[18]	Section sizes. Size of each section data in bytes.
0xD8	UInt32	BSS address. Virtual memory address of the BSS section.
0xDC	UInt32	BSS size. Size of the BSS section in bytes.
0xE0	UInt32	Entry point. Virtual memory address of the program entry point.

The 18 different sections allow for up to 7 text segments (executable code) and 11 data segments (generic data).

Section

Following the header the section data is stored, indicated by each section offset.

Tools

The following tools can handle DOL files:

• (none)