mirror of
https://github.com/DarkFlippers/unleashed-firmware
synced 2024-12-12 14:12:27 +00:00
49 lines
1.3 KiB
C++
49 lines
1.3 KiB
C++
|
#include "compilesort.hpp"
|
||
|
|
#include "elf_hashtable.h"
|
||
|
|
#include "elf_hashtable_entry.h"
|
||
|
|
#include "elf_hashtable_checks.hpp"
|
||
|
|
|
||
|
|
#include <array>
|
||
|
|
#include <algorithm>
|
||
|
|
|
||
|
|
/* Generated table */
|
||
|
|
#include <symbols.h>
|
||
|
|
|
||
|
|
#define TAG "elf_hashtable"
|
||
|
|
|
||
|
|
static_assert(!has_hash_collisions(elf_api_table), "Detected API method hash collision!");
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get function address by function name
|
||
|
|
* @param name function name
|
||
|
|
* @param address output for function address
|
||
|
|
* @return true if the table contains a function
|
||
|
|
*/
|
||
|
|
|
||
|
|
bool elf_resolve_from_hashtable(const char* name, Elf32_Addr* address) {
|
||
|
|
bool result = false;
|
||
|
|
uint32_t gnu_sym_hash = elf_gnu_hash(name);
|
||
|
|
|
||
|
|
sym_entry key = {
|
||
|
|
.hash = gnu_sym_hash,
|
||
|
|
.address = 0,
|
||
|
|
};
|
||
|
|
|
||
|
|
auto find_res = std::lower_bound(elf_api_table.cbegin(), elf_api_table.cend(), key);
|
||
|
|
if((find_res == elf_api_table.cend() || (find_res->hash != gnu_sym_hash))) {
|
||
|
|
FURI_LOG_W(TAG, "Cant find symbol '%s' (hash %x)!", name, gnu_sym_hash);
|
||
|
|
result = false;
|
||
|
|
} else {
|
||
|
|
result = true;
|
||
|
|
*address = find_res->address;
|
||
|
|
}
|
||
|
|
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
|
||
|
|
const ElfApiInterface hashtable_api_interface = {
|
||
|
|
.api_version_major = (elf_api_version >> 16),
|
||
|
|
.api_version_minor = (elf_api_version & 0xFFFF),
|
||
|
|
.resolver_callback = &elf_resolve_from_hashtable,
|
||
|
|
};
|