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template madness!

develop
Petr Mrázek 2010-05-31 03:04:18 +02:00
parent ca0f7a27d1
commit 61fea19e91
1 changed files with 43 additions and 20 deletions
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63
tools/playground/incrementalsearch.cpp
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@ -109,17 +109,34 @@ class SegmentedFinder
found = newfound;
return !(found.empty());
}
uint8_t * translate(uint64_t address)
template <typename T>
T * Translate(uint64_t address)
{
for(int i = 0; i < segments.size(); i++)
{
if(segments[i]->mr_.isInRange(address))
{
return segments[i]->mr_.buffer + address - segments[i]->mr_.start;
return (T *) (segments[i]->mr_.buffer + address - segments[i]->mr_.start);
}
}
return 0;
}
template <typename T>
T Read(uint64_t address)
{
return *Translate<T>(address);
}
template <typename T>
bool Read(uint64_t address, T& target)
{
T * test = Translate<T>(address);
if(test)
{
target = *test;
return true;
}
return false;
}
private:
DFHack::Context * _DF;
vector <SegmentFinder *> segments;
@ -152,24 +169,32 @@ bool vectorString (SegmentedFinder* s, vecTriplet *x, const char *y)
if(x->start <= x->finish && x->finish <= x->alloc_finish)
{
// deref ptr start, get ptr to firt object
uint8_t *deref1 = s->translate(x->start);
uint32_t object_ptr;
if(!s->Read(x->start,object_ptr))
return false;
uint32_t string_ptr;
if(!s->Read(object_ptr,string_ptr))
return false;
char * str = s->Translate<char>(string_ptr);
/*
uint8_t *deref1 = s->Translate(x->start);
if(!deref1)
return false;
uint32_t object_ptr = *(uint32_t *)deref1;
if(!object_ptr)
return false;
// deref ptr to first object, get ptr to string
deref1 = s->translate(object_ptr);
deref1 = s->Translate(object_ptr);
if(!deref1)
return false;
uint32_t string_ptr = *(uint32_t *)deref1;
if(!string_ptr)
return false;
// get string location in our local cache
deref1 = s->translate(string_ptr);
deref1 = s->Translate(string_ptr);
if(!deref1)
return false;
char * str = (char *) deref1;
char * str = (char *) deref1;*/
if(!str)
return false;
if(strcmp(y, str) == 0)
@ -194,7 +219,7 @@ bool findString (SegmentedFinder* s, uint32_t *addr, const char * compare )
// read string pointer
uint32_t addrx = *addr;
// translat to local scheme
char *deref1 = (char *) s->translate(addrx);
char *deref1 = (char *) s->Translate<char>(addrx);
// verify
if(!deref1)
return false;
@ -584,43 +609,41 @@ int main (void)
uint64_t word_table_offset;
uint64_t DWARF_vector;
uint64_t DWARF_object;
cout << "Creating finder..." << endl;
SegmentedFinder sf(selected_ranges, DF);
// enumerate all vectors
cout << "enumerating vectors..." << endl;
sf.Find<int ,vecTriplet>(0,4,allVectors, vectorAll);
cout << "done." << endl;
// find lang vector (neutral word table)
to_filter = allVectors;
cout << "searching for lang vector" << endl;
sf.Find<const char * ,vecTriplet>("ABBEY",4,to_filter, vectorString);
uint64_t lang_addr = to_filter[0];
cout << "lang vector: " << hex << "0x" << lang_addr << endl;
// find dwarven language word table
to_filter = allVectors;
sf.Find<const char * ,vecTriplet>("kulet",4,to_filter, vectorString);
kulet_vector = to_filter[0];
to_filter = allVectors;
// find vector of languages
to_filter = allVectors;
sf.Find<const char * ,vecTriplet>("DWARF",4,to_filter, vectorString);
// verify
for(int i = 0; i < to_filter.size(); i++)
{
vecTriplet * vec = (vecTriplet *) sf.translate(to_filter[i]);
if(((vec->finish - vec->start) / 4) == 4)
vecTriplet * vec = sf.Translate<vecTriplet>(to_filter[i]);
if(((vec->finish - vec->start) / 4) == 4) // verified
{
// verified, print the vector address
DWARF_vector = to_filter[i];
cout << "translation vector: " << hex << "0x" << DWARF_vector << endl;
DWARF_object = *(uint32_t *) sf.translate(vec->start);
DWARF_object = sf.Read<uint32_t>(vec->start);
// compute word table offset from dwarf word table and dwarf language object addresses
word_table_offset = kulet_vector - DWARF_object;
cout << "word table offset: " << hex << "0x" << word_table_offset << endl;
break;
}
}
cout << "translation vector: " << hex << "0x" << DWARF_vector << endl;
cout << "lang vector: " << hex << "0x" << lang_addr << endl;
cout << "word table offset: " << hex << "0x" << word_table_offset << endl;
}
#ifndef LINUX_BUILD
cout << "Done. Press any key to continue" << endl;