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DBG: restore patch range function

This commit is contained in:
Mr. eXoDia 2014-07-05 21:55:32 +02:00
parent 4529e210c9
commit 574bc468e9
4 changed files with 30 additions and 5 deletions
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13
x64_dbg_dbg/_dbgfunctions.cpp
View File

@ -66,6 +66,18 @@ static bool _mempatch(duint va, const unsigned char* src, duint size)
return mempatch(fdProcessInfo->hProcess, (void*)va, src, size, 0);
}
static void _patchrestorerange(duint start, duint end)
{
if(start > end)
{
duint a=start;
start=end;
end=a;
}
for(duint i=start; i<end+1; i++)
patchdel(i, true);
}
void dbgfunctionsinit()
{
_dbgfunctions.AssembleAtEx=assembleat;
@ -78,4 +90,5 @@ void dbgfunctionsinit()
_dbgfunctions.PatchGet=_patchget;
_dbgfunctions.PatchInRange=_patchinrange;
_dbgfunctions.MemPatch=_mempatch;
_dbgfunctions.PatchRestoreRange=_patchrestorerange;
}

2
x64_dbg_dbg/_dbgfunctions.h
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@ -11,6 +11,7 @@ typedef bool (*ASSEMBLE)(duint addr, unsigned char* dest, int* size, const char*
typedef bool (*PATCHGET)(duint addr);
typedef bool (*PATCHINRANGE)(duint start, duint end);
typedef bool (*MEMPATCH)(duint va, const unsigned char* src, duint size);
typedef void (*PATCHRESTORERANGE)(duint start, duint end);
struct DBGFUNCTIONS
{
@ -24,6 +25,7 @@ struct DBGFUNCTIONS
PATCHGET PatchGet;
PATCHINRANGE PatchInRange;
MEMPATCH MemPatch;
PATCHRESTORERANGE PatchRestoreRange;
};
#ifdef BUILD_DBG

16
x64_dbg_dbg/patches.cpp
View File

@ -52,14 +52,20 @@ bool patchget(uint addr, PATCHINFO* patch)
return (found->second.oldbyte != found->second.newbyte);
}
bool patchdel(uint addr)
bool patchdel(uint addr, bool restore)
{
if(!DbgIsDebugging())
return false;
return (patches.erase(modhashfromva(addr))==1);
PatchesInfo::iterator found=patches.find(modhashfromva(addr));
if(found==patches.end()) //not found
return false;
if(restore)
memwrite(fdProcessInfo->hProcess, (void*)(found->second.addr+modbasefromaddr(addr)), &found->second.oldbyte, sizeof(char), 0);
patches.erase(found);
return true;
}
void patchdelrange(uint start, uint end)
void patchdelrange(uint start, uint end, bool restore)
{
if(!DbgIsDebugging())
return;
@ -73,7 +79,11 @@ void patchdelrange(uint start, uint end)
while(i!=patches.end())
{
if(bDelAll || (i->second.addr>=start && i->second.addr<end))
{
if(restore)
memwrite(fdProcessInfo->hProcess, (void*)(i->second.addr+modbase), &i->second.oldbyte, sizeof(char), 0);
patches.erase(i++);
}
else
i++;
}

4
x64_dbg_dbg/patches.h
View File

@ -14,8 +14,8 @@ typedef std::map<uint, PATCHINFO> PatchesInfo;
bool patchset(uint addr, unsigned char oldbyte, unsigned char newbyte);
bool patchget(uint addr, PATCHINFO* patch);
bool patchdel(uint addr);
void patchdelrange(uint start, uint end);
bool patchdel(uint addr, bool restore);
void patchdelrange(uint start, uint end, bool restore);
void patchclear(const char* mod);
bool patchenum(PATCHINFO* patchlist, size_t* cbsize);