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add load exec

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Co-authored-by: thenotsoquietninja44-collab <thenotsoquietninja44@gmail.com>
This commit is contained in:
nmzik
2026-10-11 09:04:29 +02:00
parent 6f3bebcb50
commit cb375ec35a
9 changed files with 99 additions and 22 deletions
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src/loader/runtimeLinker.cpp
+10 -14
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@@ -25,6 +25,7 @@
#include <algorithm>
#include <atomic>
#include <cstddef>
#include <cstdio>
#include <cstdlib>
#include <cstring>
@@ -88,16 +89,6 @@ ThreadLocalStorage::~ThreadLocalStorage() {
}
}
#pragma pack(1)
struct EntryParams {
int argc;
uint32_t pad;
const char* argv[3];
};
#pragma pack()
using atexit_func_t = KYTY_SYSV_ABI void (*)();
using entry_func_t = KYTY_SYSV_ABI void (*)(EntryParams* params, atexit_func_t atexit_func);
using module_ini_fini_func_t = KYTY_SYSV_ABI int (*)(size_t args, const void* argp,
@@ -1283,11 +1274,16 @@ void RuntimeLinker::Execute(const std::filesystem::path& game_patch) {
LOGF_COLOR(Log::Color::BrightYellow, "---\n--- Execute: %s\n---\n", "Main");
if (auto entry = GetEntry(); entry != 0) {
const auto& arguments = Config::GetGuestArguments();
const auto params_size = offsetof(EntryParams, argv) +
(arguments.size() + 2) * sizeof(const char*);
auto* params = reinterpret_cast<EntryParams*>(
(reinterpret_cast<uintptr_t>(main_stack_top) - 0x100u) & ~static_cast<uintptr_t>(0x0f));
std::memset(params, 0, sizeof(EntryParams));
params->argc = 1;
params->argv[0] = "KytyEmu";
(reinterpret_cast<uintptr_t>(main_stack_top) - params_size - 0x100u) &
~static_cast<uintptr_t>(0x0f));
std::memset(params, 0, params_size);
for (const auto& argument: arguments) {
params->argv[params->argc++] = argument.c_str();
}
LOGF("stack_addr = %" PRIx64 "\n", reinterpret_cast<uint64_t>(params));