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[decompiler] performance improvements in extraction (#1309)

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* small speedups to extractor

* faster extraction
This commit is contained in:
water111
2022-04-15 20:40:10 -04:00
committed by GitHub
parent 65de778b5c
commit 97dc0e14df
17 changed files with 183 additions and 70 deletions
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decompiler/ObjectFile/ObjectFileDB.cpp
+5 -4
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@@ -26,6 +26,7 @@
#include "decompiler/Function/BasicBlocks.h"
#include "common/log/log.h"
#include "common/util/json_util.h"
#include "common/util/crc32.h"
namespace decompiler {
namespace {
@@ -89,10 +90,10 @@ std::string ObjectFileData::to_unique_name() const {
}
}
ObjectFileData& ObjectFileDB::lookup_record(const ObjectFileRecord& rec) {
ObjectFileData* result = nullptr;
const ObjectFileData& ObjectFileDB::lookup_record(const ObjectFileRecord& rec) const {
const ObjectFileData* result = nullptr;
for (auto& x : obj_files_by_name[rec.name]) {
for (auto& x : obj_files_by_name.at(rec.name)) {
if (x.record.version == rec.version) {
ASSERT(x.record.hash == rec.hash);
ASSERT(!result);
@@ -270,7 +271,7 @@ void ObjectFileDB::add_obj_from_dgo(const std::string& obj_name,
stats.total_obj_files++;
ASSERT(obj_size > 128);
uint16_t version = *(const uint16_t*)(obj_data + 8);
auto hash = file_util::crc32(obj_data, obj_size);
auto hash = crc32(obj_data, obj_size);
bool duplicated = false;
// first, check to see if we already got it...