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core: Properly implement TLS (#164)

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* core: Split module code from linker

* linker: Properly implement thread local storage

* kernel: Fix a few memory functions

* kernel: Implement module loading

* Now it's easy to do anyway with new module rework
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TheTurtle 2024-06-05 22:08:18 +03:00 • committed by GitHub
parent 7d61b7ab9b
commit 728249f58d
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GPG key ID: B5690EEEBB952194
26 changed files with 1047 additions and 823 deletions
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43
src/core/libraries/kernel/libkernel.cpp
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@ -6,6 +6,7 @@
#include "common/assert.h"
#include "common/logging/log.h"
#include "common/singleton.h"
#include "core/file_sys/fs.h"
#include "core/libraries/error_codes.h"
#include "core/libraries/kernel/cpu_management.h"
#include "core/libraries/kernel/event_flag/event_flag.h"
@ -199,11 +200,48 @@ s64 PS4_SYSV_ABI ps4__read(int d, void* buf, u64 nbytes) {
strlen(std::fgets(static_cast<char*>(buf), static_cast<int>(nbytes), stdin)));
}
s32 PS4_SYSV_ABI sceKernelLoadStartModule(const char* moduleFileName, size_t args, const void* argp,
u32 flags, const void* pOpt, int* pRes) {
LOG_INFO(Lib_Kernel, "called filename = {}, args = {}", moduleFileName, args);
if (flags != 0) {
return ORBIS_KERNEL_ERROR_EINVAL;
}
auto* mnt = Common::Singleton<Core::FileSys::MntPoints>::Instance();
const auto path = mnt->GetHostFile(moduleFileName);
// Load PRX module.
auto* linker = Common::Singleton<Core::Linker>::Instance();
u32 handle = linker->LoadModule(path);
auto* module = linker->GetModule(handle);
linker->Relocate(module);
// Retrieve and verify proc param according to libkernel.
u64* param = module->GetProcParam<u64*>();
ASSERT_MSG(!param || param[0] >= 0x18, "Invalid module param size: {}", param[0]);
module->Start(args, argp, param);
return handle;
}
s32 PS4_SYSV_ABI sceKernelDlsym(s32 handle, const char* symbol, void** addrp) {
auto* linker = Common::Singleton<Core::Linker>::Instance();
auto* module = linker->GetModule(handle);
*addrp = module->FindByName(symbol);
if (*addrp == nullptr) {
return ORBIS_KERNEL_ERROR_ESRCH;
}
return ORBIS_OK;
}
void LibKernel_Register(Core::Loader::SymbolsResolver* sym) {
// obj
LIB_OBJ("f7uOxY9mM1U", "libkernel", 1, "libkernel", 1, 1, &g_stack_chk_guard);
// memory
LIB_FUNCTION("rTXw65xmLIA", "libkernel", 1, "libkernel", 1, 1, sceKernelAllocateDirectMemory);
LIB_FUNCTION("B+vc2AO2Zrc", "libkernel", 1, "libkernel", 1, 1,
sceKernelAllocateMainDirectMemory);
LIB_FUNCTION("pO96TwzOm5E", "libkernel", 1, "libkernel", 1, 1, sceKernelGetDirectMemorySize);
LIB_FUNCTION("L-Q3LEjIbgA", "libkernel", 1, "libkernel", 1, 1, sceKernelMapDirectMemory);
LIB_FUNCTION("WFcfL2lzido", "libkernel", 1, "libkernel", 1, 1, sceKernelQueryMemoryProtection);
@ -212,6 +250,11 @@ void LibKernel_Register(Core::Loader::SymbolsResolver* sym) {
LIB_FUNCTION("cQke9UuBQOk", "libkernel", 1, "libkernel", 1, 1, sceKernelMunmap);
LIB_FUNCTION("mL8NDH86iQI", "libkernel", 1, "libkernel", 1, 1, sceKernelMapNamedFlexibleMemory);
LIB_FUNCTION("IWIBBdTHit4", "libkernel", 1, "libkernel", 1, 1, sceKernelMapFlexibleMemory);
LIB_FUNCTION("p5EcQeEeJAE", "libkernel", 1, "libkernel", 1, 1,
_sceKernelRtldSetApplicationHeapAPI);
LIB_FUNCTION("wzvqT4UqKX8", "libkernel", 1, "libkernel", 1, 1, sceKernelLoadStartModule);
LIB_FUNCTION("LwG8g3niqwA", "libkernel", 1, "libkernel", 1, 1, sceKernelDlsym);
// equeue
LIB_FUNCTION("D0OdFMjp46I", "libkernel", 1, "libkernel", 1, 1, sceKernelCreateEqueue);
LIB_FUNCTION("jpFjmgAC5AE", "libkernel", 1, "libkernel", 1, 1, sceKernelDeleteEqueue);