Post: PPC Compiler
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07-27-2013, 02:06 AM
#1
Choco
Respect my authoritah!!
This is a tool I created for compiling PowerPC instructions into OpCodes. This is EXTREMELY useful for PS3 modding, as all PS3 .elfs are PowerPC. This is a PPU compiler, so it will compile opcodes that will work for any PS3 game application (or xbox .xex files).
Screenshot:
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How to use
1. Enter your instructions in the box on the left.
2. Enter the address that you will be injecting the opcodes at in the Start Address box (note, this is the address from IDA/Memory, not the HxD address).
3. Click the compile button.
4. Copy the opcodes from the rightmost box and paste them into your elf at the appropriate address.
To designate a register, put a "%" symbol in front of it. For example:
li r3, 0 <--this will not work.
li %r3, 0 <--this will work.
For bl instructions, just do:
bl (address to bl to)
For example:
bl 0x248FA4
For conditional branching instructions, just do the instruction followed by the distance to branch. For example:
bdnz -0x14
beq 0x14
bne 0x2C
Download
Download the tool here: You must login or register to view this content.
View a virus scan here: You must login or register to view this content.
(Sorry about the false positives, the app has been protected to prevent reverse engineering
)Credits:
-BuC-Shotz for some help and some code
-The makers of MinGW
-xSonoro for packing
-iMCSx for some C# help
Enjoy guys, hopefully this will be useful to some of you!
The following 69 users say thank you to Choco for this useful post:
-JM-, {H} | Exception, |RichModder|, AlexNGU, B777x, BadChoicesZ, BaSs_HaXoR, BLiNDzZ, BrinkerzHD, Bucko, Chxii, Cyb3r, Dan Dactyl, DH63, ErasedDev, esc0rtd3w, 
Luckeyy, FBML, flynhigh09, Gabberhard, Gendjisan, GongasPT, Hunter926, ImAzazel, ImPiffHD, ImSooCool, Insult, Island Time, ItsLollo1000, jdmalex, Je Modz, JLM, JOniiX85, klambo, LBK, M-alShammary, Mango_Knife, milky4444, Mr_Snake_-, Mr. Mask, mrdarkblue, Norway-_-1999, Notorious, O-H, GandalfsBish, Pewp, primetime43, Pseudo_Soldier, ryu_hayabusa80, ICS Vortex, SC58, Shark, Smoky420, SnaY, Soldier., Source Code, Sticky, Swaqq, Taylor, TheUnexpected, Ciri, TotalModzHD, Vicodin10, Hash847, xFlavez, xRevolutions
Luckeyy, FBML, flynhigh09, Gabberhard, Gendjisan, GongasPT, Hunter926, ImAzazel, ImPiffHD, ImSooCool, Insult, Island Time, ItsLollo1000, jdmalex, Je Modz, JLM, JOniiX85, klambo, LBK, M-alShammary, Mango_Knife, milky4444, Mr_Snake_-, Mr. Mask, mrdarkblue, Norway-_-1999, Notorious, O-H, GandalfsBish, Pewp, primetime43, Pseudo_Soldier, ryu_hayabusa80, ICS Vortex, SC58, Shark, Smoky420, SnaY, Soldier., Source Code, Sticky, Swaqq, Taylor, TheUnexpected, Ciri, TotalModzHD, Vicodin10, Hash847, xFlavez, xRevolutions 
10-06-2013, 03:37 PM
#22
Strike Venom
Top Down Siad Barre
The following user groaned Cyb3r for this awful post:
04-10-2014, 08:30 PM
#24
Choco
Respect my authoritah!!
Originally posted by Cyb3r
bl structure don't work so well,
tried to compile "bl 0x17DE7E0" it's giving me wrong address after i decompile it!
it does not add +1 the first byte..
PPC compiled it as = 487DE7E1
The correct compile is = 497DE7E1
Some one correct me if i'm wrong!
tried to compile "bl 0x17DE7E0" it's giving me wrong address after i decompile it!
it does not add +1 the first byte..
PPC compiled it as = 487DE7E1
The correct compile is = 497DE7E1
Some one correct me if i'm wrong!
Make sure you set the right start address.
04-12-2014, 09:47 PM
#27
Cyb3r
NextGenUpdate Elite
Originally posted by Choco
The image you posted has a correctly generated branch instruction.
So i was wrong using Asmwiird method to compile,
Let's try PPC compiler method.. in farcry 3 i want to jump from 0x0097FD30 to 0x0215E510 to make my subroutine, See what's the compile result:
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Changed in debugger gives me the wrong address:
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I hope that's cleared out.
04-13-2014, 03:36 AM
#28
Choco
Respect my authoritah!!
Originally posted by Cyb3r
So i was wrong using Asmwiird method to compile,
Let's try PPC compiler method.. in farcry 3 i want to jump from 0x0097FD30 to 0x0215E510 to make my subroutine, See what's the compile result:
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Changed in debugger gives me the wrong address:
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I hope that's cleared out.
Let's try PPC compiler method.. in farcry 3 i want to jump from 0x0097FD30 to 0x0215E510 to make my subroutine, See what's the compile result:
You must login or register to view this content.
Changed in debugger gives me the wrong address:
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I hope that's cleared out.
Hmm, interesting. I think this is because the function I wrote for generating the bl's only supports shorter length branches (when I wrote this, I had primarily COD games in mind, which don't have large elfs). The branch you have is longer so it's causing an error.
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