v2024.12.28

Instructions

1. Drag and drop an .exe/.dll on top of petool to create a new patching project

Example project for extending a executable with genprj: https://github.com/andrews05/EV-Nova-CE
Example projects for proxy dlls made with genproxy: https://github.com/FunkyFr3sh/cnc-ddraw/releases/latest/download/proxy-dlls.zip

Changelog

• Improved genpatch command - does now print more details about unknown bytes
• Fixed a crash in the generated proxy dll project in MSVC builds (genproxy)
• Removed C++ code in genproxy projects to reduce the chances for AV false positives
• Proxy dlls do now require at least Windows Vista (genproxy)
• Exports are now working in genprj projects
• A few other minor improvements

w64devkit-mini-for-patching.zip/.7z source

v2024.11.02

Instructions

1. Drag and drop an .exe/.dll on top of petool to create a new patching project
2. (.exe only) Check readme.md in the project folder for build instructions

Here's a newly made project that's using petool (Just to show an example): https://github.com/andrews05/EV-Nova-CE

Changelog

• New genproxy command - generate proxy dll project directory (Supports drag and drop of 1 dll) - Examples
• Improved genpatch command - does now print more details about unknown bytes
• Shows now proper error messages when a unsupported file is passed (e.g. x64 or .NET assemblies)
• Does not terminate anymore when a error occurred while using drag and drop on windows
• Added license into header files (BSD0)

w64devkit-mini-for-patching.zip/.7z source

v2024.10.23

Instructions

1. Drag and drop an .exe on top of petool to create a new patching project
2. Check readme.md in the project folder for more details

Here's a newly made project that's using petool (Just to show an example): https://github.com/andrews05/EV-Nova-CE

Changelog

• Added new macros: SETFLOAT, SETDOUBLE
• Removed old macros: LJMP_NOP, LJMP_INT
• New genpatch command - compares 2 executables and generates patch macros (Supports drag and drop)
• Added a workaround for a bug in binutils that could cause some data loss on strip
• A few minor bug fixes and improvements

w64devkit-mini-for-patching.zip/.7z source

v2024.07.26

Instructions

1. Drag and drop an .exe on top of petool to create a new patching project
2. Check readme.md in the project folder for more details

Here's a newly made project that's using petool (Just to show an example): https://github.com/andrews05/EV-Nova-CE

Changelog

• Does now warn about empty patches and duplicate hooks / conflicting patches
• Added additional error checking to macros
• Ported @PATCH and @ENDPATCH macros to GAS
• Renamed winmain.c to winmain.cpp and sym.c to sym.cpp

Note: w64devkit-mini-for-patching.zip / .7z were updated after the release (Download links in readme point to petool/releases/latest, so I have to keep them up-to-date)
w64devkit-mini-for-patching source

v2024.07.09

Instructions

1. Drag and drop an .exe on top of petool to create a new patching project
2. Check readme.md in the project folder for more details

Here's a newly made project that's using petool (Just to show an example): https://github.com/andrews05/EV-Nova-CE

Changelog

• Added new DETOUR macro (patch.h)
• Added new TRAMPOLINE macro (setsym.h)
• Improved support for the watcom register calling convention __watcall :

1. CALL macro does now support __watcall to __cdecl translation
2. CALL_NOP macro does now support __watcall to __cdecl translation
3. New DETOUR macro with support for __watcall to __cdecl translation
4. New TRAMPOLINE macro with support for __cdecl to __watcall translation
5. SETCGLOB macro does now support __cdecl to __watcall translation

v2024.04.28

Instructions

1. Drag and drop an .exe on top of petool to create a new patching project
2. Check readme.md in the project folder for more details

Here's a newly made project that's using petool (Just to show an example): https://github.com/andrews05/EV-Nova-CE

Changelog

• Added new "setts" command to set TimeDateStamp in FileHeader
• Added new macros for arrays to NASM / GAS datatypes.inc/s
• Readme now contains link to the small .7z file as well
• Fixed a bug with console applications (using correct startup function now, _mainCRTStartup)
• Minor bug fixes and improvements

v2024.04.15

Instructions

1. Drag and drop an .exe on top of petool to create a new patching project
2. Check readme.md in the project folder for more details

Here's a newly made project that's using petool (Just to show an example): https://github.com/andrews05/EV-Nova-CE

Changelog

• Added partial port of NASM datatypes.inc to GAS (macros/datatypes.s)
• Added new macro SETWATGLOB and macros/watcall.asm for applications built with watcom compiler (See Readme)
• Minor bug fixes and improvements

v2024.04.10

Instructions

1. Drag and drop an .exe on top of petool to create a new patching project
2. Check readme.md in the project folder for more details

Here's a newly made project that's using petool (Just to show an example): https://github.com/andrews05/EV-Nova-CE

Changelog

• Added new macros (See Readme): LJMP_NOP, LJMP_INT
• Improved debug output of dump
• Several bug fixes and improvements that allow petool to work with more applications

v2024.04.07

Instructions

1. Drag and drop an .exe on top of petool to create a new patching project
2. Check readme.md in the project folder for more details

Here's a newly made project that's using petool (Just to show an example): https://github.com/andrews05/EV-Nova-CE

Changelog

• Does have full C++ support now without any manual tweaks
• Several bug fixes and improvements that allow petool to work with more applications
• Added new macros for C/C++ (See Readme): SETINST, SETBYTES, HOOK, CLEAR_NOP, CLEAR_INT
• Added new macros for GNU AS: @SET, @CLEAR, @SJMP. @LJMP, @CALL, @CALL_NOP, @HOOK, @CLEAR_INT, @CLEAR_NOP
• Removed the NASM dependency (sym.asm is now sym.c)

v2024.04.01

Instructions

1. Drag and drop an .exe on top of petool to create a new patching project
2. Check readme.md in the project folder for more details

Here's a newly made project that's using petool (Just to show an example): https://github.com/andrews05/EV-Nova-CE

Changelog

• Improved makefile for better compatibility with tool kits other than w64devkit
• Should build on macOS with zero-config now as well
• Several bug fixes and improvements that allow petool to work with more applications

Note: To have C++ fully working you'll have to hook WinMain manually, a template for it can be found in start.c