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Adding some more parsing

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This commit is contained in:
Selim Mustafaev 2022-12-01 01:25:48 +03:00
parent 24917a40ab
commit 4420fee251
4 changed files with 23 additions and 3 deletions
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2
dart/ClassId.h
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@ -7,7 +7,7 @@
namespace Dart { namespace Dart {
enum class ClassId { enum class ClassId: uint64_t {
Illegal = 0, Illegal = 0,
NativePointer = 1, NativePointer = 1,
FreeListElement = 2, FreeListElement = 2,

19
dart/Snapshot.cpp
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@ -3,6 +3,7 @@
// //
#include "Snapshot.h" #include "Snapshot.h"
#include "ClassId.h"
#include <stdexcept> #include <stdexcept>
#include <ranges> #include <ranges>
#include <sstream> #include <sstream>
@ -42,6 +43,18 @@ namespace Dart {
_fieldTableLength = Leb128Int(data); _fieldTableLength = Leb128Int(data);
data += _fieldTableLength.size(); data += _fieldTableLength.size();
_instructionsTableLength = Leb128Int(data);
data += _instructionsTableLength.size();
uint64_t cidAndCanonical = *(uint64_t*)data;
uint64_t cid = (cidAndCanonical >> 1) & 0xFFFFFFFF;
bool canonical = cidAndCanonical & 1;
// If non-predefined (instance) cid
if (cid >= (uint64_t)ClassId::NumPredefined || cid == (uint64_t)ClassId::Instance) {
}
auto nextInt = Leb128Int(data); auto nextInt = Leb128Int(data);
auto val = nextInt.value(); auto val = nextInt.value();
auto size = nextInt.size(); auto size = nextInt.size();
@ -56,7 +69,7 @@ namespace Dart {
case Kind::FULL: return "Full"; case Kind::FULL: return "Full";
case Kind::FULL_JIT: return "Full JIT"; case Kind::FULL_JIT: return "Full JIT";
case Kind::FULL_AOT: return "Full AOT"; case Kind::FULL_AOT: return "Full AOT";
case Kind::MESSAGE: return "Message"; case Kind::FULL_CORE: return "Full core";
case Kind::NONE: return "None"; case Kind::NONE: return "None";
case Kind::INVALID: return "Invalid"; case Kind::INVALID: return "Invalid";
} }
@ -109,4 +122,8 @@ namespace Dart {
return _fieldTableLength.value(); return _fieldTableLength.value();
} }
uint64_t Snapshot::instructionsTableLength() const {
return _instructionsTableLength.value();
}
} }

4
dart/Snapshot.h
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@ -17,7 +17,7 @@ namespace Dart {
class Snapshot { class Snapshot {
public: public:
enum class Kind: uint64_t { enum class Kind: uint64_t {
FULL, FULL_JIT, FULL_AOT, MESSAGE, NONE, INVALID FULL, FULL_CORE, FULL_JIT, FULL_AOT, NONE, INVALID
}; };
static const uint32_t MAGIC = 0xDCDCF5F5; static const uint32_t MAGIC = 0xDCDCF5F5;
@ -32,6 +32,7 @@ namespace Dart {
Leb128Int _allObjectsCount; Leb128Int _allObjectsCount;
Leb128Int _clustersCount; Leb128Int _clustersCount;
Leb128Int _fieldTableLength; Leb128Int _fieldTableLength;
Leb128Int _instructionsTableLength;
private: private:
static std::vector<std::string> split(const std::string &str); static std::vector<std::string> split(const std::string &str);
@ -46,6 +47,7 @@ namespace Dart {
[[nodiscard]] uint64_t allObjectsCount() const; [[nodiscard]] uint64_t allObjectsCount() const;
[[nodiscard]] uint64_t clustersCount() const; [[nodiscard]] uint64_t clustersCount() const;
[[nodiscard]] uint64_t fieldTableLength() const; [[nodiscard]] uint64_t fieldTableLength() const;
[[nodiscard]] uint64_t instructionsTableLength() const;
}; };
} }

1
main.cpp
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@ -13,6 +13,7 @@ int main(int argc, char** argv) {
std::cout << "All objects: " << snapshot.allObjectsCount() << std::endl; std::cout << "All objects: " << snapshot.allObjectsCount() << std::endl;
std::cout << "Clusters: " << snapshot.clustersCount() << std::endl; std::cout << "Clusters: " << snapshot.clustersCount() << std::endl;
std::cout << "Field table length: " << snapshot.fieldTableLength() << std::endl; std::cout << "Field table length: " << snapshot.fieldTableLength() << std::endl;
std::cout << "Instructions table length: " << snapshot.instructionsTableLength() << std::endl;
return 0; return 0;
} }