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search-memory update

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This function performs update of old values without discarding new value.
Handy when you don't know how some value has changed in between.
This commit is contained in:
Ilari Liusvaara 2011-11-13 20:30:15 +02:00
parent cc41fb792e
commit 8d832263fb
2 changed files with 34 additions and 2 deletions
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5
include/core/memorymanip.hpp
View file

@ -400,6 +400,11 @@ public:
*/
void qword_ugt() throw();
/**
* \brief Search for all bytes (update values)
*/
void update() throw();
/**
* \brief Get number of memory addresses that are still candidates
*

31
src/core/memorymanip.cpp
View file

@ -364,6 +364,28 @@ void memorysearch::reset() throw(std::bad_alloc)
candidates = linearram;
}
/**
* \brief Native-value search function for trivial true function
*/
struct search_update
{
/**
* \brief The underlying numeric type
*/
typedef uint8_t value_type;
/**
* \brief Condition function.
* \param oldv The old value
* \param newv The new value
* \return True if new value satisfies condition, false otherwise.
*/
bool operator()(uint8_t oldv, uint8_t newv) const throw()
{
return true;
}
};
/**
* \brief Native-value search function for specific value
*/
@ -691,6 +713,8 @@ void memorysearch::qword_une() throw() { search(search_ne<uint64_t>()); }
void memorysearch::qword_uge() throw() { search(search_ge<uint64_t>()); }
void memorysearch::qword_ugt() throw() { search(search_gt<uint64_t>()); }
void memorysearch::update() throw() { search(search_update()); }
uint32_t memorysearch::get_candidate_count() throw()
{
return candidates;
@ -989,9 +1013,11 @@ namespace
isrch->qword_uge();
else if(firstword == "uqgt" && !has_value)
isrch->qword_ugt();
else if(firstword == "q" && has_value) {
else if(firstword == "q" && has_value)
isrch->qword_value(value & 0xFF);
} else if(firstword == "reset" && !has_value)
else if(firstword == "update" && !has_value)
isrch->update();
else if(firstword == "reset" && !has_value)
isrch->reset();
else if(firstword == "count" && !has_value)
;
@ -1011,6 +1037,7 @@ namespace
{
return "Syntax: " + _command + " {s,u}{b,w,d,q}{lt,le,eq,ne,ge,gt}\n"
"Syntax: " + _command + " {b,w,d,q} <value>\n"
"Syntax: " + _command + " update\n"
"Syntax: " + _command + " reset\n"
"Syntax: " + _command + " count\n"
"Syntax: " + _command + " print\n"