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x64dbg/x64_dbg_dbg/addrinfo.cpp

867 lines
30 KiB
C++

#include "addrinfo.h"
#include "debugger.h"
#include "console.h"
#include "memory.h"
#include "breakpoint.h"
#include "threading.h"
#include "symbolinfo.h"
#include "murmurhash.h"
//TODO: use modinfo.hash+rva as key for the maps for "instant" lookup
static ModulesInfo modinfo;
static CommentsInfo comments;
static LabelsInfo labels;
static BookmarksInfo bookmarks;
static FunctionsInfo functions;
static LoopsInfo loops;
//database functions
void dbsave()
{
dprintf("saving database...");
DWORD ticks=GetTickCount();
JSON root=json_object();
commentcachesave(root);
labelcachesave(root);
bookmarkcachesave(root);
functioncachesave(root);
loopcachesave(root);
bpcachesave(root);
if(json_object_size(root))
json_dump_file(root, dbpath, JSON_INDENT(4));
json_decref(root); //free root
dprintf("%ums\n", GetTickCount()-ticks);
}
void dbload()
{
dprintf("loading database...");
DWORD ticks=GetTickCount();
JSON root=json_load_file(dbpath, 0, 0);
if(!root)
{
dputs("");
return;
}
commentcacheload(root);
labelcacheload(root);
bookmarkcacheload(root);
functioncacheload(root);
loopcacheload(root);
bpcacheload(root);
json_decref(root); //free root
dprintf("%ums\n", GetTickCount()-ticks);
}
void dbclose()
{
dbsave();
CommentsInfo().swap(comments);
LabelsInfo().swap(labels);
BookmarksInfo().swap(bookmarks);
FunctionsInfo().swap(functions);
LoopsInfo().swap(loops);
}
///module functions
bool modload(uint base, uint size, const char* fullpath)
{
if(!base or !size or !fullpath)
return false;
char name[deflen]="";
int len=strlen(fullpath);
while(fullpath[len]!='\\' and len)
len--;
if(len)
len++;
strcpy(name, fullpath+len);
_strlwr(name);
len=strlen(name);
name[MAX_MODULE_SIZE-1]=0; //ignore later characters
while(name[len]!='.' and len)
len--;
MODINFO info;
memset(&info, 0, sizeof(MODINFO));
info.hash=modhashfromname(name);
if(len)
{
strcpy(info.extension, name+len);
name[len]=0; //remove extension
}
info.base=base;
info.size=size;
strcpy(info.name, name);
modinfo.insert(std::make_pair(Range(base, base+size-1), info));
symupdatemodulelist();
return true;
}
bool modunload(uint base)
{
const ModulesInfo::iterator found=modinfo.find(Range(base, base));
if(found==modinfo.end()) //not found
return false;
modinfo.erase(found);
symupdatemodulelist();
return true;
}
void modclear()
{
ModulesInfo().swap(modinfo);
symupdatemodulelist();
}
bool modnamefromaddr(uint addr, char* modname, bool extension)
{
if(!modname)
return false;
*modname='\0';
const ModulesInfo::iterator found=modinfo.find(Range(addr, addr));
if(found==modinfo.end()) //not found
return false;
strcpy(modname, found->second.name);
if(extension)
strcat(modname, found->second.extension); //append extension
return true;
}
uint modbasefromaddr(uint addr)
{
const ModulesInfo::iterator found=modinfo.find(Range(addr, addr));
if(found==modinfo.end()) //not found
return 0;
return found->second.base;
}
uint modhashfromva(uint va) //return a unique hash from a VA
{
const ModulesInfo::iterator found=modinfo.find(Range(va, va));
if(found==modinfo.end()) //not found
return va;
return found->second.hash+(va-found->second.base);
}
uint modhashfromname(const char* mod) //return MODINFO.hash
{
if(!mod or !*mod)
return 0;
int len=strlen(mod);
return murmurhash(mod, len);
}
uint modbasefromname(const char* modname)
{
if(!modname or strlen(modname)>=MAX_MODULE_SIZE)
return 0;
for(ModulesInfo::iterator i=modinfo.begin(); i!=modinfo.end(); ++i)
{
MODINFO* curMod=&i->second;
char curmodname[MAX_MODULE_SIZE]="";
sprintf(curmodname, "%s%s", curMod->name, curMod->extension);
if(!_stricmp(curmodname, modname)) //with extension
return curMod->base;
if(!_stricmp(curMod->name, modname)) //without extension
return curMod->base;
}
return 0;
}
///api functions
bool apienumexports(uint base, EXPORTENUMCALLBACK cbEnum)
{
MEMORY_BASIC_INFORMATION mbi;
VirtualQueryEx(fdProcessInfo->hProcess, (const void*)base, &mbi, sizeof(mbi));
uint size=mbi.RegionSize;
void* buffer=emalloc(size, "apienumexports:buffer");
if(!memread(fdProcessInfo->hProcess, (const void*)base, buffer, size, 0))
{
efree(buffer, "apienumexports:buffer");
return false;
}
IMAGE_NT_HEADERS* pnth=(IMAGE_NT_HEADERS*)((uint)buffer+GetPE32DataFromMappedFile((ULONG_PTR)buffer, 0, UE_PE_OFFSET));
uint export_dir_rva=pnth->OptionalHeader.DataDirectory[0].VirtualAddress;
uint export_dir_size=pnth->OptionalHeader.DataDirectory[0].Size;
efree(buffer, "apienumexports:buffer");
IMAGE_EXPORT_DIRECTORY export_dir;
memset(&export_dir, 0, sizeof(export_dir));
memread(fdProcessInfo->hProcess, (const void*)(export_dir_rva+base), &export_dir, sizeof(export_dir), 0);
unsigned int NumberOfNames=export_dir.NumberOfNames;
if(!export_dir.NumberOfFunctions or !NumberOfNames) //no named exports
return false;
char modname[MAX_MODULE_SIZE]="";
modnamefromaddr(base, modname, true);
uint original_name_va=export_dir.Name+base;
char original_name[deflen]="";
memset(original_name, 0, sizeof(original_name));
memread(fdProcessInfo->hProcess, (const void*)original_name_va, original_name, deflen, 0);
char* AddrOfFunctions_va=(char*)(export_dir.AddressOfFunctions+base);
char* AddrOfNames_va=(char*)(export_dir.AddressOfNames+base);
char* AddrOfNameOrdinals_va=(char*)(export_dir.AddressOfNameOrdinals+base);
for(DWORD i=0; i<NumberOfNames; i++)
{
DWORD curAddrOfName=0;
memread(fdProcessInfo->hProcess, AddrOfNames_va+sizeof(DWORD)*i, &curAddrOfName, sizeof(DWORD), 0);
char* cur_name_va=(char*)(curAddrOfName+base);
char cur_name[deflen]="";
memset(cur_name, 0, deflen);
memread(fdProcessInfo->hProcess, cur_name_va, cur_name, deflen, 0);
WORD curAddrOfNameOrdinals=0;
memread(fdProcessInfo->hProcess, AddrOfNameOrdinals_va+sizeof(WORD)*i, &curAddrOfNameOrdinals, sizeof(WORD), 0);
DWORD curFunctionRva=0;
memread(fdProcessInfo->hProcess, AddrOfFunctions_va+sizeof(DWORD)*curAddrOfNameOrdinals, &curFunctionRva, sizeof(DWORD), 0);
if(curFunctionRva>=export_dir_rva and curFunctionRva<export_dir_rva+export_dir_size)
{
char forwarded_api[deflen]="";
memset(forwarded_api, 0, deflen);
memread(fdProcessInfo->hProcess, (void*)(curFunctionRva+base), forwarded_api, deflen, 0);
int len=strlen(forwarded_api);
int j=0;
while(forwarded_api[j]!='.' and j<len)
j++;
if(forwarded_api[j]=='.')
{
forwarded_api[j]=0;
HINSTANCE hTempDll=LoadLibraryExA(forwarded_api, 0, DONT_RESOLVE_DLL_REFERENCES|LOAD_LIBRARY_AS_DATAFILE);
if(hTempDll)
{
uint local_addr=(uint)GetProcAddress(hTempDll, forwarded_api+j+1);
if(local_addr)
{
uint remote_addr=ImporterGetRemoteAPIAddress(fdProcessInfo->hProcess, local_addr);
cbEnum(base, modname, cur_name, remote_addr);
}
}
}
}
else
{
cbEnum(base, modname, cur_name, curFunctionRva+base);
}
}
return true;
}
///comment functions
bool commentset(uint addr, const char* text, bool manual)
{
if(!DbgIsDebugging() or !memisvalidreadptr(fdProcessInfo->hProcess, addr) or !text or strlen(text)>=MAX_COMMENT_SIZE-1)
return false;
if(!*text) //NOTE: delete when there is no text
return commentdel(addr);
COMMENTSINFO comment;
comment.manual=manual;
strcpy(comment.text, text);
modnamefromaddr(addr, comment.mod, true);
comment.addr=addr-modbasefromaddr(addr);
const uint key=modhashfromva(addr);
if(!comments.insert(std::make_pair(key, comment)).second) //key already present
comments[key]=comment;
return true;
}
bool commentget(uint addr, char* text)
{
if(!DbgIsDebugging())
return false;
const CommentsInfo::iterator found=comments.find(modhashfromva(addr));
if(found==comments.end()) //not found
return false;
strcpy(text, found->second.text);
return true;
}
bool commentdel(uint addr)
{
if(!DbgIsDebugging())
return false;
return (comments.erase(modhashfromva(addr))==1);
}
void commentcachesave(JSON root)
{
const JSON jsoncomments=json_array();
const JSON jsonautocomments=json_array();
for(CommentsInfo::iterator i=comments.begin(); i!=comments.end(); ++i)
{
const COMMENTSINFO curComment=i->second;
JSON curjsoncomment=json_object();
json_object_set_new(curjsoncomment, "module", json_string(curComment.mod));
json_object_set_new(curjsoncomment, "address", json_hex(curComment.addr));
json_object_set_new(curjsoncomment, "text", json_string(curComment.text));
if(curComment.manual)
json_array_append_new(jsoncomments, curjsoncomment);
else
json_array_append_new(jsonautocomments, curjsoncomment);
}
if(json_array_size(jsoncomments))
json_object_set(root, "comments", jsoncomments);
json_decref(jsoncomments);
if(json_array_size(jsonautocomments))
json_object_set(root, "autocomments", jsonautocomments);
json_decref(jsonautocomments);
}
void commentcacheload(JSON root)
{
comments.clear();
const JSON jsoncomments=json_object_get(root, "comments");
if(jsoncomments)
{
size_t i;
JSON value;
json_array_foreach(jsoncomments, i, value)
{
COMMENTSINFO curComment;
const char* mod=json_string_value(json_object_get(value, "module"));
if(mod && *mod && strlen(mod)<MAX_MODULE_SIZE)
strcpy(curComment.mod, mod);
else
*curComment.mod='\0';
curComment.addr=(uint)json_hex_value(json_object_get(value, "address"));
curComment.manual=true;
const char* text=json_string_value(json_object_get(value, "text"));
if(text)
strcpy(curComment.text, text);
else
continue; //skip
const uint key=modhashfromname(curComment.mod)+curComment.addr;
comments.insert(std::make_pair(key, curComment));
}
}
JSON jsonautocomments=json_object_get(root, "autocomments");
if(jsonautocomments)
{
size_t i;
JSON value;
json_array_foreach(jsonautocomments, i, value)
{
COMMENTSINFO curComment;
const char* mod=json_string_value(json_object_get(value, "module"));
if(mod && *mod && strlen(mod)<MAX_MODULE_SIZE)
strcpy(curComment.mod, mod);
else
*curComment.mod='\0';
curComment.addr=(uint)json_hex_value(json_object_get(value, "address"));
curComment.manual=false;
const char* text=json_string_value(json_object_get(value, "text"));
if(text)
strcpy(curComment.text, text);
else
continue; //skip
const uint key=modhashfromname(curComment.mod)+curComment.addr;
comments.insert(std::make_pair(key, curComment));
}
}
}
///label functions
bool labelset(uint addr, const char* text, bool manual)
{
if(!DbgIsDebugging() or !memisvalidreadptr(fdProcessInfo->hProcess, addr) or !text or strlen(text)>=MAX_LABEL_SIZE-1)
return false;
if(!*text) //NOTE: delete when there is no text
return labeldel(addr);
LABELSINFO label;
label.manual=manual;
strcpy(label.text, text);
modnamefromaddr(addr, label.mod, true);
label.addr=addr-modbasefromaddr(addr);
uint key=modhashfromva(addr);
if(!labels.insert(std::make_pair(modhashfromva(key), label)).second) //already present
labels[key]=label;
return true;
}
bool labelfromstring(const char* text, uint* addr)
{
if(!DbgIsDebugging())
return false;
for(LabelsInfo::iterator i=labels.begin(); i!=labels.end(); ++i)
{
if(!strcmp(i->second.text, text))
{
if(addr)
*addr=i->second.addr+modbasefromname(i->second.mod);
return true;
}
}
return false;
}
bool labelget(uint addr, char* text)
{
if(!DbgIsDebugging())
return false;
const LabelsInfo::iterator found=labels.find(modhashfromva(addr));
if(found==labels.end()) //not found
return false;
if(text)
strcpy(text, found->second.text);
return true;
}
bool labeldel(uint addr)
{
if(!DbgIsDebugging())
return false;
return (labels.erase(modhashfromva(addr))>0);
}
void labelcachesave(JSON root)
{
const JSON jsonlabels=json_array();
const JSON jsonautolabels=json_array();
for(LabelsInfo::iterator i=labels.begin(); i!=labels.end(); ++i)
{
const LABELSINFO curLabel=i->second;
JSON curjsonlabel=json_object();
json_object_set_new(curjsonlabel, "module", json_string(curLabel.mod));
json_object_set_new(curjsonlabel, "address", json_hex(curLabel.addr));
json_object_set_new(curjsonlabel, "text", json_string(curLabel.text));
if(curLabel.manual)
json_array_append_new(jsonlabels, curjsonlabel);
else
json_array_append_new(jsonautolabels, curjsonlabel);
}
if(json_array_size(jsonlabels))
json_object_set(root, "labels", jsonlabels);
json_decref(jsonlabels);
if(json_array_size(jsonautolabels))
json_object_set(root, "autolabels", jsonautolabels);
json_decref(jsonautolabels);
}
void labelcacheload(JSON root)
{
labels.clear();
const JSON jsonlabels=json_object_get(root, "labels");
if(jsonlabels)
{
size_t i;
JSON value;
json_array_foreach(jsonlabels, i, value)
{
LABELSINFO curLabel;
const char* mod=json_string_value(json_object_get(value, "module"));
if(mod && *mod && strlen(mod)<MAX_MODULE_SIZE)
strcpy(curLabel.mod, mod);
else
*curLabel.mod='\0';
curLabel.addr=(uint)json_hex_value(json_object_get(value, "address"));
curLabel.manual=true;
const char* text=json_string_value(json_object_get(value, "text"));
if(text)
strcpy(curLabel.text, text);
else
continue; //skip
const uint key=modhashfromname(curLabel.mod)+curLabel.addr;
labels.insert(std::make_pair(key, curLabel));
}
}
JSON jsonautolabels=json_object_get(root, "autolabels");
if(jsonautolabels)
{
size_t i;
JSON value;
json_array_foreach(jsonautolabels, i, value)
{
LABELSINFO curLabel;
const char* mod=json_string_value(json_object_get(value, "module"));
if(mod && *mod && strlen(mod)<MAX_MODULE_SIZE)
strcpy(curLabel.mod, mod);
else
*curLabel.mod='\0';
curLabel.addr=(uint)json_hex_value(json_object_get(value, "address"));
curLabel.manual=false;
const char* text=json_string_value(json_object_get(value, "text"));
if(text)
strcpy(curLabel.text, text);
else
continue; //skip
const uint key=modhashfromname(curLabel.mod)+curLabel.addr;
labels.insert(std::make_pair(key, curLabel));
}
}
}
///bookmark functions
bool bookmarkset(uint addr, bool manual)
{
if(!DbgIsDebugging() or !memisvalidreadptr(fdProcessInfo->hProcess, addr))
return false;
BOOKMARKSINFO bookmark;
modnamefromaddr(addr, bookmark.mod, true);
bookmark.addr=addr-modbasefromaddr(addr);
bookmark.manual=manual;
if(!bookmarks.insert(std::make_pair(modhashfromva(addr), bookmark)).second)
return bookmarkdel(addr);
return true;
}
bool bookmarkget(uint addr)
{
if(!DbgIsDebugging())
return false;
if(bookmarks.count(modhashfromva(addr)))
return true;
return false;
}
bool bookmarkdel(uint addr)
{
if(!DbgIsDebugging())
return false;
return (bookmarks.erase(modhashfromva(addr))>0);
}
void bookmarkcachesave(JSON root)
{
const JSON jsonbookmarks=json_array();
const JSON jsonautobookmarks=json_array();
for(BookmarksInfo::iterator i=bookmarks.begin(); i!=bookmarks.end(); ++i)
{
const BOOKMARKSINFO curBookmark=i->second;
JSON curjsonbookmark=json_object();
json_object_set_new(curjsonbookmark, "module", json_string(curBookmark.mod));
json_object_set_new(curjsonbookmark, "address", json_hex(curBookmark.addr));
if(curBookmark.manual)
json_array_append_new(jsonbookmarks, curjsonbookmark);
else
json_array_append_new(jsonautobookmarks, curjsonbookmark);
}
if(json_array_size(jsonbookmarks))
json_object_set(root, "bookmarks", jsonbookmarks);
json_decref(jsonbookmarks);
if(json_array_size(jsonautobookmarks))
json_object_set(root, "autobookmarks", jsonautobookmarks);
json_decref(jsonautobookmarks);
}
void bookmarkcacheload(JSON root)
{
bookmarks.clear();
const JSON jsonbookmarks=json_object_get(root, "bookmarks");
if(jsonbookmarks)
{
size_t i;
JSON value;
json_array_foreach(jsonbookmarks, i, value)
{
BOOKMARKSINFO curBookmark;
const char* mod=json_string_value(json_object_get(value, "module"));
if(mod && *mod && strlen(mod)<MAX_MODULE_SIZE)
strcpy(curBookmark.mod, mod);
else
*curBookmark.mod='\0';
curBookmark.addr=(uint)json_hex_value(json_object_get(value, "address"));
curBookmark.manual=true;
const uint key=modhashfromname(curBookmark.mod)+curBookmark.addr;
bookmarks.insert(std::make_pair(key, curBookmark));
}
}
JSON jsonautobookmarks=json_object_get(root, "autobookmarks");
if(jsonautobookmarks)
{
size_t i;
JSON value;
json_array_foreach(jsonautobookmarks, i, value)
{
BOOKMARKSINFO curBookmark;
const char* mod=json_string_value(json_object_get(value, "module"));
if(mod && *mod && strlen(mod)<MAX_MODULE_SIZE)
strcpy(curBookmark.mod, mod);
else
*curBookmark.mod='\0';
curBookmark.addr=(uint)json_hex_value(json_object_get(value, "address"));
curBookmark.manual=false;
const uint key=modhashfromname(curBookmark.mod)+curBookmark.addr;
bookmarks.insert(std::make_pair(key, curBookmark));
}
}
}
///function database
bool functionadd(uint start, uint end, bool manual)
{
if(!DbgIsDebugging() or end<start)
return false;
uint page=memfindbaseaddr(fdProcessInfo->hProcess, start, 0);
if(!page or page!=memfindbaseaddr(fdProcessInfo->hProcess, end, 0)) //the function boundaries are not in the same mem page
return false;
if(functionoverlaps(start, end))
return false;
FUNCTIONSINFO function;
modnamefromaddr(start, function.mod, true);
uint modbase=modbasefromaddr(start);
function.start=start-modbase;
function.end=end-modbase;
function.manual=manual;
functions.insert(std::make_pair(ModuleRange(modhashfromva(modbase), Range(function.start, function.end)), function));
return true;
}
bool functionget(uint addr, uint* start, uint* end)
{
if(!DbgIsDebugging())
return false;
uint modbase=modbasefromaddr(addr);
const FunctionsInfo::iterator found=functions.find(ModuleRange(modhashfromva(modbase), Range(addr-modbase, addr-modbase)));
if(found==functions.end()) //not found
return false;
if(start)
*start=found->second.start+modbase;
if(end)
*end=found->second.end+modbase;
return true;
}
bool functionoverlaps(uint start, uint end)
{
if(!DbgIsDebugging() or end<start)
return false;
const uint modbase=modbasefromaddr(start);
return (functions.count(ModuleRange(modhashfromva(modbase), Range(start-modbase, end-modbase)))>0);
}
bool functiondel(uint addr)
{
if(!DbgIsDebugging())
return false;
const uint modbase=modbasefromaddr(addr);
return (functions.erase(ModuleRange(modhashfromva(modbase), Range(addr-modbase, addr-modbase)))>0);
}
void functioncachesave(JSON root)
{
const JSON jsonfunctions=json_array();
const JSON jsonautofunctions=json_array();
for(FunctionsInfo::iterator i=functions.begin(); i!=functions.end(); ++i)
{
const FUNCTIONSINFO curFunction=i->second;
JSON curjsonfunction=json_object();
json_object_set_new(curjsonfunction, "module", json_string(curFunction.mod));
json_object_set_new(curjsonfunction, "start", json_hex(curFunction.start));
json_object_set_new(curjsonfunction, "end", json_hex(curFunction.end));
if(curFunction.manual)
json_array_append_new(jsonfunctions, curjsonfunction);
else
json_array_append_new(jsonautofunctions, curjsonfunction);
}
if(json_array_size(jsonfunctions))
json_object_set(root, "functions", jsonfunctions);
json_decref(jsonfunctions);
if(json_array_size(jsonautofunctions))
json_object_set(root, "autofunctions", jsonautofunctions);
json_decref(jsonautofunctions);
}
void functioncacheload(JSON root)
{
functions.clear();
const JSON jsonfunctions=json_object_get(root, "functions");
if(jsonfunctions)
{
size_t i;
JSON value;
json_array_foreach(jsonfunctions, i, value)
{
FUNCTIONSINFO curFunction;
const char* mod=json_string_value(json_object_get(value, "module"));
if(mod && *mod && strlen(mod)<MAX_MODULE_SIZE)
strcpy(curFunction.mod, mod);
else
*curFunction.mod='\0';
curFunction.start=(uint)json_hex_value(json_object_get(value, "start"));
curFunction.end=(uint)json_hex_value(json_object_get(value, "end"));
if(curFunction.end < curFunction.start)
continue; //invalid function
curFunction.manual=true;
const uint key=modhashfromname(curFunction.mod);
functions.insert(std::make_pair(ModuleRange(modhashfromname(curFunction.mod), Range(curFunction.start, curFunction.end)), curFunction));
}
}
JSON jsonautofunctions=json_object_get(root, "autofunctions");
if(jsonautofunctions)
{
size_t i;
JSON value;
json_array_foreach(jsonautofunctions, i, value)
{
FUNCTIONSINFO curFunction;
const char* mod=json_string_value(json_object_get(value, "module"));
if(mod && *mod && strlen(mod)<MAX_MODULE_SIZE)
strcpy(curFunction.mod, mod);
else
*curFunction.mod='\0';
curFunction.start=(uint)json_hex_value(json_object_get(value, "start"));
curFunction.end=(uint)json_hex_value(json_object_get(value, "end"));
if(curFunction.end < curFunction.start)
continue; //invalid function
curFunction.manual=true;
const uint key=modhashfromname(curFunction.mod);
functions.insert(std::make_pair(ModuleRange(modhashfromname(curFunction.mod), Range(curFunction.start, curFunction.end)), curFunction));
}
}
}
//loop database
bool loopadd(uint start, uint end, bool manual)
{
if(!DbgIsDebugging() or end<start)
return false;
uint page=memfindbaseaddr(fdProcessInfo->hProcess, start, 0);
if(!page or page!=memfindbaseaddr(fdProcessInfo->hProcess, end, 0)) //the function boundaries are not in the same mem page
return false;
int finaldepth;
if(loopoverlaps(0, start, end, &finaldepth)) //loop cannot overlap another loop
return false;
LOOPSINFO loop;
modnamefromaddr(start, loop.mod, true);
const uint modbase=modbasefromaddr(start);
loop.start=start-modbase;
loop.end=end-modbase;
loop.depth=finaldepth;
if(finaldepth)
loopget(finaldepth-1, start, &loop.parent, 0);
else
loop.parent=0;
loop.manual=manual;
loops.insert(std::make_pair(DepthModuleRange(finaldepth, ModuleRange(modhashfromva(modbase), Range(loop.start, loop.end))), loop));
return true;
}
bool loopget(int depth, uint addr, uint* start, uint* end)
{
if(!DbgIsDebugging() or !memisvalidreadptr(fdProcessInfo->hProcess, addr))
return false;
const uint modbase=modbasefromaddr(addr);
LoopsInfo::iterator found=loops.find(DepthModuleRange(depth, ModuleRange(modhashfromva(modbase), Range(addr-modbase, addr-modbase))));
if(found==loops.end()) //not found
return false;
if(start)
*start=found->second.start+modbase;
if(end)
*end=found->second.end+modbase;
return true;
}
//check if a loop overlaps a range, inside is not overlapping
bool loopoverlaps(int depth, uint start, uint end, int* finaldepth)
{
if(!DbgIsDebugging())
return false;
const uint modbase=modbasefromaddr(start);
uint curStart=start-modbase;
uint curEnd=end-modbase;
const uint key=modhashfromva(modbase);
//check if the new loop fits in the old loop
for(LoopsInfo::iterator i=loops.begin(); i!=loops.end(); ++i)
{
if(i->first.second.first!=key) //only look in the current module
continue;
LOOPSINFO* curLoop=&i->second;
if(curLoop->start<curStart and curLoop->end>curEnd and curLoop->depth==depth)
return loopoverlaps(depth+1, curStart, curEnd, finaldepth);
}
if(finaldepth)
*finaldepth=depth;
//check for loop overlaps
for(LoopsInfo::iterator i=loops.begin(); i!=loops.end(); ++i)
{
if(i->first.second.first!=key) //only look in the current module
continue;
LOOPSINFO* curLoop=&i->second;
if(curLoop->start<=curEnd and curLoop->end>=curStart and curLoop->depth==depth)
return true;
}
return false;
}
bool loopdel(int depth, uint addr)
{
return false;
}
void loopcachesave(JSON root)
{
const JSON jsonloops=json_array();
const JSON jsonautoloops=json_array();
for(LoopsInfo::iterator i=loops.begin(); i!=loops.end(); ++i)
{
const LOOPSINFO curLoop=i->second;
JSON curjsonloop=json_object();
json_object_set_new(curjsonloop, "module", json_string(curLoop.mod));
json_object_set_new(curjsonloop, "start", json_hex(curLoop.start));
json_object_set_new(curjsonloop, "end", json_hex(curLoop.end));
json_object_set_new(curjsonloop, "depth", json_integer(curLoop.depth));
json_object_set_new(curjsonloop, "parent", json_hex(curLoop.parent));
if(curLoop.manual)
json_array_append_new(jsonloops, curjsonloop);
else
json_array_append_new(jsonautoloops, curjsonloop);
}
if(json_array_size(jsonloops))
json_object_set(root, "loops", jsonloops);
json_decref(jsonloops);
if(json_array_size(jsonautoloops))
json_object_set(root, "autoloops", jsonautoloops);
json_decref(jsonautoloops);
}
void loopcacheload(JSON root)
{
loops.clear();
const JSON jsonloops=json_object_get(root, "loops");
if(jsonloops)
{
size_t i;
JSON value;
json_array_foreach(jsonloops, i, value)
{
LOOPSINFO curLoop;
const char* mod=json_string_value(json_object_get(value, "module"));
if(mod && *mod && strlen(mod)<MAX_MODULE_SIZE)
strcpy(curLoop.mod, mod);
else
*curLoop.mod='\0';
curLoop.start=(uint)json_hex_value(json_object_get(value, "start"));
curLoop.end=(uint)json_hex_value(json_object_get(value, "end"));
curLoop.depth=(int)json_integer_value(json_object_get(value, "depth"));
curLoop.parent=(uint)json_hex_value(json_object_get(value, "parent"));
if(curLoop.end < curLoop.start)
continue; //invalid loop
curLoop.manual=true;
loops.insert(std::make_pair(DepthModuleRange(curLoop.depth, ModuleRange(modhashfromname(curLoop.mod), Range(curLoop.start, curLoop.end))), curLoop));
}
}
JSON jsonautoloops=json_object_get(root, "autoloops");
if(jsonautoloops)
{
size_t i;
JSON value;
json_array_foreach(jsonautoloops, i, value)
{
LOOPSINFO curLoop;
const char* mod=json_string_value(json_object_get(value, "module"));
if(mod && *mod && strlen(mod)<MAX_MODULE_SIZE)
strcpy(curLoop.mod, mod);
else
*curLoop.mod='\0';
curLoop.start=(uint)json_hex_value(json_object_get(value, "start"));
curLoop.end=(uint)json_hex_value(json_object_get(value, "end"));
curLoop.depth=(int)json_integer_value(json_object_get(value, "depth"));
curLoop.parent=(uint)json_hex_value(json_object_get(value, "parent"));
if(curLoop.end < curLoop.start)
continue; //invalid loop
curLoop.manual=false;
loops.insert(std::make_pair(DepthModuleRange(curLoop.depth, ModuleRange(modhashfromname(curLoop.mod), Range(curLoop.start, curLoop.end))), curLoop));
}
}
}