First push, clean slate

lib/flipper_application/api_hashtable/api_hashtable.cpp

@@ -0,0 +1,42 @@
+#include "api_hashtable.h"
+
+#include <furi.h>
+#include <algorithm>
+
+#define TAG "ApiHashtable"
+
+bool elf_resolve_from_hashtable(
+    const ElfApiInterface* interface,
+    uint32_t hash,
+    Elf32_Addr* address) {
+
+    furi_check(interface);
+    furi_check(address);
+
+    bool result = false;
+    const HashtableApiInterface* hashtable_interface =
+        static_cast<const HashtableApiInterface*>(interface);
+
+    sym_entry key = {
+        .hash = hash,
+        .address = 0,
+    };
+
+    auto find_res =
+        std::lower_bound(hashtable_interface->table_cbegin, hashtable_interface->table_cend, key);
+    if((find_res == hashtable_interface->table_cend || (find_res->hash != hash))) {
+        FURI_LOG_T(
+            TAG, "Can't find symbol with hash %lx @ %p!", hash, hashtable_interface->table_cbegin);
+        result = false;
+    } else {
+        result = true;
+        *address = find_res->address;
+    }
+
+    return result;
+}
+
+uint32_t elf_symbolname_hash(const char* s) {
+    furi_check(s);
+    return elf_gnu_hash(s);
+}