Facilitate the process of creating a decompilation project for a given Wii/Gamecube game

Related tags

Game development dadosod
Overview

dadosod

Facilitate the process of creating a decompilation project for a given Wii/Gamecube game

Features

  • Disassembly DOL
    • Guess/Calculate common sections name
    • Divide each section into his own file
    • Divide the bss section appropriately (.bss, .sbss and .sbss2)
    • Partial Data Type Detection for Data Section (No .incbin)
    • Linker Script (With appropriate section alignment)

Usage

Command Line Options

Command Description
dadosod dol Disassembly a dol executable

Dol's command options

Command Description
Path of the dol file Required

Planned Features

  • Disassembly DOL
    • Detect .init's _rom_copy_info and _bss_init_info (Wii Only)
    • Automatic Output Shift-ability
    • Library Splitting
    • Symbol Map
  • Disassembly REL
  • Disassembly RSO

Special Thanks

From where the name comes

dadosod is disassembly in Gaelic

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Comments
  • Option to maintain source file structure and symbol names

    Option to maintain source file structure and symbol names

    Hi, in melee we are looking for a way to dump the binary we've built back to asm. However, with the current implementation of your disassembly, we lose our file splits and symbol names in the process. We would like to preserve the file tree of our source files in the output asm, and use our symbol names (which are present in the .elf) instead of symbols generated based on address.

    I see that "Library Splitting" is a planned feature in your README. What would be involved in implementing these features? I wouldn't mind writing them myself, but I'm not familiar with Rust or with your codebase so it would take me some time to adjust.

    Thanks for your consideration.

    opened by ribbanya 6
  • [Feature] Handle stmw instructions with non-existant lbl

    [Feature] Handle stmw instructions with non-existant lbl

    Failed to parse instruction at text.s line 1098614: stmw r4, lbl_805F96F0@sda21(r2)

    Sample

    /* 8039CAC8 00396388  7C 12 42 A6 */	mfspr r0, 274
/* 8039CACC 0039638C  90 02 00 0C */	stw r0, lbl_805F96EC@sda21(r2)
/* 8039CAD0 00396390  BC 82 00 10 */	stmw r4, lbl_805F96F0@sda21(r2)
/* 8039CAD4 00396394  7F 7A 02 A6 */	mfspr r27, 26
/* 8039CAD8 00396398  7F 88 02 A6 */	mflr r28

    lbl_805F96F0 does not exist within the text.s Only within sdata.s

    lbl_805ECD50:

	# ROM: 0x575650
	.4byte lbl_805F96F0
	.4byte 0

    Proposal: add flag/support for skip/nop patching if the lbl does not exist

    opened by dreamsyntax 2
  • Update ppc750cl again for more updates

    Update ppc750cl again for more updates

    Branch prediction bits are now supported on conditional branch instructions. The +/- suffix will only appear when the branch prediction bit is overridden from the default.

    Adds more mnemonics for bd* and rlwinm. (Yay extrwi!)

    Fixes incorrect outputs for crmove/crnot.

    Changes can be viewed here: https://github.com/encounter/ppc750cl/commit/4d8e4733319312abf47cde193d7386e55744bdf8

    opened by encounter 0
  • Update ppc750cl for CR bit & SPR decoding

    Update ppc750cl for CR bit & SPR decoding

    This updates ppc750cl to use my fork, which includes better CR bit decoding: cror 2, 1, 2 => cror eq, gt, eq crclr 6 => crclr 4*cr1+eq

    SPR names & simplified mnemonics: mfspr r0, 0x397 => mfspr r0, GQR7 mtspr 0x110, r4 => mtsprg 0, r4 mfspr r3, 0x1a => mfsrr0 r3 ...and so on.

    This also includes additions to the generated macros.s to support the human-readable SPR names.

    opened by encounter 0
Releases(v1.0.1)

  • v1.0.1(Aug 9, 2022)

    Bug Fixing

    Protect against integer overflow when discovering new sections.

    SHA256: 2a84152b0b69e911fc6704d30d983f13dfeb3373121011e7a1a46b586e4787ac

    What's Changed

    • fix crash when loading dols that lack sbss2 by @ChrisNonyminus in https://github.com/InusualZ/dadosod/pull/2

    New Contributors

    • @ChrisNonyminus made their first contribution in https://github.com/InusualZ/dadosod/pull/2

    Full Changelog: https://github.com/InusualZ/dadosod/compare/v1.0.0...v1.0.1

    Source code(tar.gz)
    Source code(zip)
    dadosod.exe(360.50 KB)
    dadosod.sha256(77 bytes)

  • v1.0.0(Jun 11, 2022)

Owner
Wesley Moret
A noob programmer, who is learning about stuff
Wesley Moret
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