x64dbg/x64dbg
x64dbg
/
x64dbg
1
0
Fork 0
Code Releases 2 Activity

DBG: (fucking) finally finished layered loop implementation

This commit is contained in:
mrexodia 2016-11-22 21:09:01 +01:00
parent ec14fb5813
commit d248d916b7
No known key found for this signature in database
GPG Key ID: FC89E0AAA0C1AAD8
1 changed files with 31 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
src/dbg/loop.cpp
View File

@ -42,6 +42,8 @@ bool LoopAdd(duint Start, duint End, bool Manual)
LoopGet(finalDepth - 1, Start, &loopInfo.parent, 0); LoopGet(finalDepth - 1, Start, &loopInfo.parent, 0);
else else
loopInfo.parent = 0; loopInfo.parent = 0;
if(loopInfo.parent)
loopInfo.parent -= moduleBase;
EXCLUSIVE_ACQUIRE(LockLoops); EXCLUSIVE_ACQUIRE(LockLoops);
@ -104,8 +106,8 @@ bool LoopOverlaps(int Depth, duint Start, duint End, int* FinalDepth)
if(itr.second.depth != Depth) if(itr.second.depth != Depth)
continue; continue;
if(itr.second.start < curStart && itr.second.end > curEnd) if(itr.second.start <= curStart && itr.second.end >= curEnd)
return LoopOverlaps(Depth + 1, curStart, curEnd, FinalDepth); return LoopOverlaps(Depth + 1, curStart + moduleBase, curEnd + moduleBase, FinalDepth);
} }
// Did the user request t the loop depth? // Did the user request t the loop depth?
@ -133,8 +135,33 @@ bool LoopOverlaps(int Depth, duint Start, duint End, int* FinalDepth)
// This should delete a loop and all sub-loops that matches a certain addr // This should delete a loop and all sub-loops that matches a certain addr
bool LoopDelete(int Depth, duint Address) bool LoopDelete(int Depth, duint Address)
{ {
ASSERT_ALWAYS("Function unimplemented"); // Get the virtual address module
const duint moduleBase = ModBaseFromAddr(Address);
// Virtual address to relative address
Address -= moduleBase;
SHARED_ACQUIRE(LockLoops);
// Search with this address range
auto modHash = ModHashFromAddr(moduleBase);
auto found = loops.find(DepthModuleRange(Depth, ModuleRange(modHash, Range(Address, Address))));
if(found == loops.end())
return false; return false;
for(auto addr = found->second.start; addr <= found->second.end; addr++)
{
auto foundChild = loops.find(DepthModuleRange(Depth + 1, ModuleRange(modHash, Range(addr, addr))));
if(foundChild == loops.end())
continue;
addr = foundChild->second.end;
if(!LoopDelete(Depth + 1, foundChild->second.start + moduleBase))
return false;
}
loops.erase(found);
return true;
} }
void LoopCacheSave(JSON Root) void LoopCacheSave(JSON Root)