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Elf file: fast loading fap files. Really fast, like x15 times faster.

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This commit is contained in:
SG
2023-06-21 17:17:35 +03:00
parent 42056d17b1
commit 1bc9c03f35
8 changed files with 153 additions and 31 deletions
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19
lib/flipper_application/api_hashtable/api_hashtable.cpp
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@@ -7,27 +7,22 @@
bool elf_resolve_from_hashtable(
const ElfApiInterface* interface,
const char* name,
uint32_t hash,
Elf32_Addr* address) {
bool result = false;
const HashtableApiInterface* hashtable_interface =
static_cast<const HashtableApiInterface*>(interface);
bool result = false;
uint32_t gnu_sym_hash = elf_gnu_hash(name);
sym_entry key = {
.hash = gnu_sym_hash,
.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 != gnu_sym_hash))) {
if((find_res == hashtable_interface->table_cend || (find_res->hash != hash))) {
FURI_LOG_W(
TAG,
"Can't find symbol '%s' (hash %lx) @ %p!",
name,
gnu_sym_hash,
hashtable_interface->table_cbegin);
TAG, "Can't find symbol with hash %lx @ %p!", hash, hashtable_interface->table_cbegin);
result = false;
} else {
result = true;
@@ -36,3 +31,7 @@ bool elf_resolve_from_hashtable(
return result;
}
uint32_t elf_symbolname_hash(const char* s) {
return elf_gnu_hash(s);
}