This commit is contained in:
Nekotekina 2016-06-07 23:24:20 +03:00
parent 6fa5e2cc7c
commit a8bebcba55
31 changed files with 7346 additions and 213 deletions

View file

@ -5,6 +5,7 @@
#include "Emu/IdManager.h"
#include "PPUThread.h"
#include "PPUInterpreter.h"
#include "PPUAnalyser.h"
#include "PPUModule.h"
enum class ppu_decoder_type
@ -24,6 +25,18 @@ cfg::map_entry<ppu_decoder_type> g_cfg_ppu_decoder(cfg::root.core, "PPU Decoder"
const ppu_decoder<ppu_interpreter_precise> s_ppu_interpreter_precise;
const ppu_decoder<ppu_interpreter_fast> s_ppu_interpreter_fast;
struct ppu_addr_hash
{
u32 operator()(u32 value) const
{
return value / sizeof(32);
}
};
static std::unordered_map<u32, void(*)(), ppu_addr_hash> s_ppu_compiled;
std::string PPUThread::get_name() const
{
return fmt::format("PPU[0x%x] Thread (%s)", id, name);
@ -90,6 +103,16 @@ void PPUThread::cpu_task()
return custom_task(*this);
}
if (g_cfg_ppu_decoder.get() == ppu_decoder_type::llvm)
{
const auto found = s_ppu_compiled.find(pc);
if (found != s_ppu_compiled.end())
{
return found->second();
}
}
g_tls_log_prefix = []
{
const auto cpu = static_cast<PPUThread*>(get_current_cpu_thread());
@ -298,3 +321,733 @@ void PPUThread::fast_call(u32 addr, u32 rtoc)
// handle_interrupt();
//}
}
#ifdef LLVM_AVAILABLE
#ifdef _MSC_VER
#pragma warning(push, 0)
#endif
//#include "llvm/Support/TargetRegistry.h"
#include "llvm/Support/TargetSelect.h"
//#include "llvm/Support/Host.h"
#include "llvm/Support/FormattedStream.h"
//#include "llvm/Support/Debug.h"
//#include "llvm/CodeGen/CommandFlags.h"
//#include "llvm/CodeGen/Passes.h"
#include "llvm/IR/LLVMContext.h"
//#include "llvm/IR/Dominators.h"
#include "llvm/IR/Verifier.h"
//#include "llvm/IR/InstIterator.h"
#include "llvm/IR/LegacyPassManager.h"
//#include "llvm/IR/Module.h"
//#include "llvm/IR/Function.h"
//#include "llvm/Analysis/Passes.h"
//#include "llvm/Analysis/TargetTransformInfo.h"
#include "llvm/Analysis/MemoryDependenceAnalysis.h"
//#include "llvm/Analysis/LoopInfo.h"
//#include "llvm/Analysis/ScalarEvolution.h"
#include "llvm/Analysis/Lint.h"
#include "llvm/Transforms/Scalar.h"
#include "llvm/Transforms/IPO.h"
#include "llvm/Transforms/Vectorize.h"
#include "llvm/ExecutionEngine/ExecutionEngine.h"
#include "llvm/ExecutionEngine/RTDyldMemoryManager.h"
#include "llvm/ExecutionEngine/JITEventListener.h"
//#include "llvm/Object/ObjectFile.h"
#ifdef _MSC_VER
#pragma warning(pop)
#endif
#include "PPUTranslator.h"
#ifdef _WIN32
#include <Windows.h>
#else
#include <sys/mman.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/types.h>
#endif
const ppu_decoder<ppu_itype> s_ppu_itype;
extern u64 get_timebased_time();
extern void ppu_execute_syscall(PPUThread& ppu, u64 code);
extern void ppu_execute_function(PPUThread& ppu, u32 index);
extern __m128 sse_exp2_ps(__m128 A);
extern __m128 sse_log2_ps(__m128 A);
extern __m128i sse_altivec_vperm(__m128i A, __m128i B, __m128i C);
extern __m128i sse_altivec_lvsl(u64 addr);
extern __m128i sse_altivec_lvsr(u64 addr);
extern __m128i sse_cellbe_lvlx(u64 addr);
extern __m128i sse_cellbe_lvrx(u64 addr);
extern void sse_cellbe_stvlx(u64 addr, __m128i a);
extern void sse_cellbe_stvrx(u64 addr, __m128i a);
struct Listener final : llvm::JITEventListener
{
virtual void NotifyObjectEmitted(const llvm::object::ObjectFile& obj, const llvm::RuntimeDyld::LoadedObjectInfo& inf) override
{
const llvm::StringRef elf = obj.getData();
fs::file(fs::get_config_dir() + "LLVM.obj", fs::rewrite)
.write(elf.data(), elf.size());
}
};
static Listener s_listener;
// Memory size: 512 MB
static const u64 s_memory_size = 0x20000000;
// Try to reserve a portion of virtual memory in the first 2 GB address space, if possible.
static void* const s_memory = []() -> void*
{
#ifdef _WIN32
for (u64 addr = 0x1000000; addr <= 0x60000000; addr += 0x1000000)
{
if (VirtualAlloc((void*)addr, s_memory_size, MEM_RESERVE, PAGE_NOACCESS))
{
return (void*)addr;
}
}
return VirtualAlloc(NULL, s_memory_size, MEM_RESERVE, PAGE_NOACCESS);
#else
return ::mmap((void*)0x10000000, s_memory_size, PROT_NONE, MAP_ANON | MAP_PRIVATE, -1, 0);
#endif
}();
// EH frames
static u8* s_unwind_info;
static u64 s_unwind_size;
#ifdef _WIN32
// Custom .pdata section replacement
static std::vector<RUNTIME_FUNCTION> s_unwind;
#endif
struct MemoryManager final : llvm::RTDyldMemoryManager
{
static PPUThread* context(u64 addr)
{
//trace(addr);
return static_cast<PPUThread*>(get_current_cpu_thread());
}
[[noreturn]] static void trap(u64 addr)
{
LOG_ERROR(PPU, "Trap! (0x%llx)", addr);
throw fmt::exception("Trap! (0x%llx)", addr);
}
static void trace(u64 addr)
{
LOG_NOTICE(PPU, "Trace: 0x%llx", addr);
}
static void hack(u32 index)
{
PPUThread& ppu = static_cast<PPUThread&>(*get_current_cpu_thread());
ppu_execute_function(ppu, index);
if (ppu.state.load() && ppu.check_status()) throw cpu_state::ret; // Temporarily
}
static void syscall(u64 code)
{
PPUThread& ppu = static_cast<PPUThread&>(*get_current_cpu_thread());
ppu_execute_syscall(ppu, code);
if (ppu.state.load() && ppu.check_status()) throw cpu_state::ret; // Temporarily
}
static u32 tbl()
{
return (u32)get_timebased_time();
}
static void call(u32 addr)
{
const auto found = s_ppu_compiled.find(addr);
if (found != s_ppu_compiled.end())
{
return found->second();
}
const auto op = vm::read32(addr).value();
const auto itype = s_ppu_itype.decode(op);
// Allow HLE callbacks without compiling them
if (itype == ppu_itype::HACK && vm::read32(addr + 4) == ppu_instructions::BLR())
{
return hack(op & 0x3ffffff);
}
trap(addr);
}
static __m128 sse_rcp_ps(__m128 A)
{
return _mm_rcp_ps(A);
}
static __m128 sse_rsqrt_ps(__m128 A)
{
return _mm_rsqrt_ps(A);
}
static float sse_rcp_ss(float A)
{
_mm_store_ss(&A, _mm_rcp_ss(_mm_load_ss(&A)));
return A;
}
static float sse_rsqrt_ss(float A)
{
_mm_store_ss(&A, _mm_rsqrt_ss(_mm_load_ss(&A)));
return A;
}
static u32 lwarx(u32 addr)
{
be_t<u32> reg_value;
vm::reservation_acquire(&reg_value, addr, sizeof(reg_value));
return reg_value;
}
static u64 ldarx(u32 addr)
{
be_t<u64> reg_value;
vm::reservation_acquire(&reg_value, addr, sizeof(reg_value));
return reg_value;
}
static bool stwcx(u32 addr, u32 reg_value)
{
const be_t<u32> data = reg_value;
return vm::reservation_update(addr, &data, sizeof(data));
}
static bool stdcx(u32 addr, u64 reg_value)
{
const be_t<u64> data = reg_value;
return vm::reservation_update(addr, &data, sizeof(data));
}
static bool sraw_carry(s32 arg, u64 shift)
{
return (arg < 0) && (shift > 31 || (arg >> shift << shift) != arg);
}
static bool srad_carry(s64 arg, u64 shift)
{
return (arg < 0) && (shift > 63 || (arg >> shift << shift) != arg);
}
static bool adde_carry(u64 a, u64 b, bool c)
{
return _addcarry_u64(c, a, b, nullptr) != 0;
}
// Interpreter call for simple vector instructions
static __m128i vec3op(decltype(&ppu_interpreter::UNK) func, __m128i _a, __m128i _b, __m128i _c)
{
PPUThread& ppu = static_cast<PPUThread&>(*get_current_cpu_thread());
ppu.VR[21].vi = _a;
ppu.VR[22].vi = _b;
ppu.VR[23].vi = _c;
ppu_opcode_t op{};
op.vd = 20;
op.va = 21;
op.vb = 22;
op.vc = 23;
func(ppu, op);
return ppu.VR[20].vi;
}
// Interpreter call for simple vector instructions with immediate
static __m128i veciop(decltype(&ppu_interpreter::UNK) func, ppu_opcode_t op, __m128i _b)
{
PPUThread& ppu = static_cast<PPUThread&>(*get_current_cpu_thread());
ppu.VR[22].vi = _b;
op.vd = 20;
op.vb = 22;
func(ppu, op);
return ppu.VR[20].vi;
}
// Interpreter call for FP instructions
static f64 fpop(decltype(&ppu_interpreter::UNK) func, f64 _a, f64 _b, f64 _c)
{
PPUThread& ppu = static_cast<PPUThread&>(*get_current_cpu_thread());
ppu.FPR[21] = _a;
ppu.FPR[22] = _b;
ppu.FPR[23] = _c;
ppu_opcode_t op{};
op.frd = 20;
op.fra = 21;
op.frb = 22;
op.frc = 23;
func(ppu, op);
return ppu.FPR[20];
}
// Interpreter call for GPR instructions writing result to RA
static u64 aimmop(decltype(&ppu_interpreter::UNK) func, ppu_opcode_t op, u64 _s)
{
PPUThread& ppu = static_cast<PPUThread&>(*get_current_cpu_thread());
const u64 a = ppu.GPR[op.ra];
const u64 s = ppu.GPR[op.rs];
ppu.GPR[op.rs] = _s;
func(ppu, op);
const u64 r = ppu.GPR[op.ra];
ppu.GPR[op.ra] = a;
ppu.GPR[op.rs] = s;
return r;
}
// Interpreter call for GPR instructions writing result to RA
static u64 aimmbop(decltype(&ppu_interpreter::UNK) func, ppu_opcode_t op, u64 _s, u64 _b)
{
PPUThread& ppu = static_cast<PPUThread&>(*get_current_cpu_thread());
const u64 a = ppu.GPR[op.ra];
const u64 s = ppu.GPR[op.rs];
const u64 b = ppu.GPR[op.rb];
ppu.GPR[op.rs] = _s;
ppu.GPR[op.rb] = _b;
func(ppu, op);
const u64 r = ppu.GPR[op.ra];
ppu.GPR[op.ra] = a;
ppu.GPR[op.rs] = s;
ppu.GPR[op.rb] = b;
return r;
}
// Interpreter call for GPR instructions writing result to RA (destructive)
static u64 aaimmop(decltype(&ppu_interpreter::UNK) func, ppu_opcode_t op, u64 _s, u64 _a)
{
PPUThread& ppu = static_cast<PPUThread&>(*get_current_cpu_thread());
const u64 s = ppu.GPR[op.rs];
const u64 a = ppu.GPR[op.ra];
ppu.GPR[op.rs] = _s;
ppu.GPR[op.ra] = _a;
func(ppu, op);
const u64 r = ppu.GPR[op.ra];
ppu.GPR[op.rs] = s;
ppu.GPR[op.ra] = a;
return r;
}
static u64 immaop(decltype(&ppu_interpreter::UNK) func, ppu_opcode_t op, u64 _a)
{
PPUThread& ppu = static_cast<PPUThread&>(*get_current_cpu_thread());
const u64 a = ppu.GPR[op.ra];
const u64 d = ppu.GPR[op.rd];
ppu.GPR[op.ra] = _a;
func(ppu, op);
const u64 r = ppu.GPR[op.rd];
ppu.GPR[op.ra] = a;
ppu.GPR[op.rd] = d;
return r;
}
static u64 immabop(decltype(&ppu_interpreter::UNK) func, ppu_opcode_t op, u64 _a, u64 _b)
{
PPUThread& ppu = static_cast<PPUThread&>(*get_current_cpu_thread());
const u64 a = ppu.GPR[op.ra];
const u64 b = ppu.GPR[op.rb];
const u64 d = ppu.GPR[op.rd];
ppu.GPR[op.ra] = _a;
ppu.GPR[op.rb] = _b;
func(ppu, op);
const u64 r = ppu.GPR[op.rd];
ppu.GPR[op.ra] = a;
ppu.GPR[op.rb] = b;
ppu.GPR[op.rd] = d;
return r;
}
// No operation on specific u64 value (silly optimization barrier)
static u64 nop64(u64 value)
{
return value;
}
std::unordered_map<std::string, u64> table
{
{ "__memory", (u64)vm::base(0) },
{ "__context", (u64)&context },
{ "__trap", (u64)&trap },
{ "__trace", (u64)&trace },
{ "__hlecall", (u64)&hack },
{ "__syscall", (u64)&syscall },
{ "__get_tbl", (u64)&tbl },
{ "__call", (u64)&call },
{ "__lwarx", (u64)&lwarx },
{ "__ldarx", (u64)&ldarx },
{ "__stwcx", (u64)&stwcx },
{ "__stdcx", (u64)&stdcx },
{ "__sraw_get_ca", (u64)&sraw_carry },
{ "__srad_get_ca", (u64)&srad_carry },
{ "__adde_get_ca", (u64)&adde_carry },
{ "__vexptefp", (u64)&sse_exp2_ps },
{ "__vlogefp", (u64)&sse_log2_ps },
{ "__vperm", (u64)&sse_altivec_vperm },
{ "__vrefp", (u64)&sse_rcp_ps },
{ "__vrsqrtefp", (u64)&sse_rsqrt_ps },
{ "__vec3op", (u64)&vec3op },
{ "__veciop", (u64)&veciop },
{ "__aimmop", (u64)&aimmop },
{ "__aimmbop", (u64)&aimmbop },
{ "__aaimmop", (u64)&aaimmop },
{ "__immaop", (u64)&immaop },
{ "__immabop", (u64)&immabop },
{ "__fpop", (u64)&fpop },
{ "__nop64", (u64)&nop64 },
{ "__lvsl", (u64)&sse_altivec_lvsl },
{ "__lvsr", (u64)&sse_altivec_lvsr },
{ "__lvlx", (u64)&sse_cellbe_lvlx },
{ "__lvrx", (u64)&sse_cellbe_lvrx },
{ "__stvlx", (u64)&sse_cellbe_stvlx },
{ "__stvrx", (u64)&sse_cellbe_stvrx },
{ "__fre", (u64)&sse_rcp_ss },
{ "__frsqrte", (u64)&sse_rsqrt_ss },
};
virtual u64 getSymbolAddress(const std::string& name) override
{
if (u64 addr = RTDyldMemoryManager::getSymbolAddress(name))
{
LOG_ERROR(GENERAL, "LLVM: Linkage requested %s -> 0x%016llx", name, addr);
return addr;
}
const auto found = table.find(name);
if (found != table.end())
{
return found->second;
}
LOG_FATAL(GENERAL, "LLVM: Linkage failed for %s", name);
return (u64)trap;
}
virtual u8* allocateCodeSection(std::uintptr_t size, uint align, uint sec_id, llvm::StringRef sec_name) override
{
// Simple allocation (TODO)
const auto ptr = m_next; m_next = (void*)::align((u64)m_next + size, 4096);
#ifdef _WIN32
if (!VirtualAlloc(ptr, size, MEM_COMMIT, PAGE_EXECUTE_READWRITE))
#else
if (::mprotect(ptr, size, PROT_READ | PROT_WRITE | PROT_EXEC))
#endif
{
LOG_FATAL(GENERAL, "LLVM: Failed to allocate code section '%s', error %u", sec_name.data(), GetLastError());
return nullptr;
}
LOG_SUCCESS(GENERAL, "LLVM: Code section '%s' allocated -> 0x%p", sec_name.data(), ptr);
return (u8*)ptr;
}
virtual u8* allocateDataSection(std::uintptr_t size, uint align, uint sec_id, llvm::StringRef sec_name, bool is_ro) override
{
// Simple allocation (TODO)
const auto ptr = m_next; m_next = (void*)::align((u64)m_next + size, 4096);
#ifdef _WIN32
if (!VirtualAlloc(ptr, size, MEM_COMMIT, PAGE_READWRITE))
#else
if (::mprotect(ptr, size, PROT_READ | PROT_WRITE))
#endif
{
LOG_FATAL(GENERAL, "LLVM: Failed to allocate data section '%s', error %u", sec_name.data(), GetLastError());
return nullptr;
}
LOG_SUCCESS(GENERAL, "LLVM: Data section '%s' allocated -> 0x%p", sec_name.data(), ptr);
return (u8*)ptr;
}
virtual bool finalizeMemory(std::string* = nullptr) override
{
// TODO: make sections read-only when necessary
return false;
}
virtual void registerEHFrames(u8* addr, u64 load_addr, std::size_t size) override
{
s_unwind_info = addr;
s_unwind_size = size;
return RTDyldMemoryManager::registerEHFrames(addr, load_addr, size);
}
virtual void deregisterEHFrames(u8* addr, u64 load_addr, std::size_t size) override
{
LOG_ERROR(GENERAL, "deregisterEHFrames() called"); // Not expected
return RTDyldMemoryManager::deregisterEHFrames(addr, load_addr, size);
}
~MemoryManager()
{
#ifdef _WIN32
if (!RtlDeleteFunctionTable(s_unwind.data()))
{
LOG_FATAL(GENERAL, "RtlDeleteFunctionTable(addr=0x%p) failed! Error %u", s_unwind_info, GetLastError());
}
if (!VirtualFree(s_memory, 0, MEM_DECOMMIT))
{
LOG_FATAL(GENERAL, "VirtualFree(0x%p) failed! Error %u", s_memory, GetLastError());
}
#else
if (::mprotect(s_memory, s_memory_size, PROT_NONE))
{
LOG_FATAL(GENERAL, "mprotect(0x%p) failed! Error %d", s_memory, errno);
}
// TODO: unregister EH frames if necessary
#endif
}
private:
void* m_next = s_memory;
};
llvm::LLVMContext g_context;
extern void ppu_initialize(const std::string& name, const std::vector<std::pair<u32, u32>>& funcs, u32 entry)
{
if (!s_memory)
{
throw std::runtime_error("LLVM: Memory not allocated, report to the developers." HERE);
}
if (g_cfg_ppu_decoder.get() != ppu_decoder_type::llvm || funcs.empty())
{
return;
}
using namespace llvm;
InitializeNativeTarget();
InitializeNativeTargetAsmPrinter();
LLVMLinkInMCJIT();
// Initialization
const auto _pi8 = Type::getInt8PtrTy(g_context);
const auto _void = Type::getVoidTy(g_context);
const auto _func = FunctionType::get(Type::getVoidTy(g_context), false);
// Create LLVM module
std::unique_ptr<Module> module = std::make_unique<Module>(name, g_context);
// Initialize target
module->setTargetTriple(Triple::normalize(sys::getProcessTriple()));
// Initialize translator
std::unique_ptr<PPUTranslator> translator = std::make_unique<PPUTranslator>(g_context, module.get(), 0, entry);
// Initialize function list
for (const auto& info : funcs)
{
if (info.second)
{
translator->AddFunction(info.first, cast<Function>(module->getOrInsertFunction(fmt::format("__sub_%x", info.first), _func)));
}
translator->AddBlockInfo(info.first);
}
legacy::FunctionPassManager pm(module.get());
// Basic optimizations
pm.add(createCFGSimplificationPass());
pm.add(createPromoteMemoryToRegisterPass());
pm.add(createEarlyCSEPass());
pm.add(createTailCallEliminationPass());
pm.add(createReassociatePass());
pm.add(createInstructionCombiningPass());
//pm.add(new DominatorTreeWrapperPass());
//pm.add(createInstructionCombiningPass());
//pm.add(new MemoryDependenceAnalysis());
pm.add(createDeadStoreEliminationPass());
//pm.add(createGVNPass());
//pm.add(createBBVectorizePass());
//pm.add(new LoopInfo());
//pm.add(new ScalarEvolution());
pm.add(createSCCPPass());
//pm.addPass(new SyscallAnalysisPass()); // Requires constant propagation
pm.add(createInstructionCombiningPass());
pm.add(createAggressiveDCEPass());
pm.add(createCFGSimplificationPass());
//pm.add(createLintPass()); // Check
// Translate functions
for (const auto& info : funcs)
{
if (info.second)
{
pm.run(*translator->TranslateToIR(info.first, info.first + info.second, vm::_ptr<u32>(info.first)));
}
}
//static auto s_current = &PPUTranslator::UNK;
//for (const auto& info : s_test)
//{
// const u64 pseudo_addr = (u64)&info.first + INT64_MIN;
// s_current = info.second;
// const auto func = translator->TranslateToIR(pseudo_addr, pseudo_addr, nullptr, [](PPUTranslator* _this)
// {
// (_this->*s_current)(op);
// _this->ReturnFromFunction();
// });
// pm.run(*func);
//}
legacy::PassManager mpm;
// Remove unused functions, structs, global variables, etc
mpm.add(createStripDeadPrototypesPass());
mpm.run(*module);
std::string result;
raw_string_ostream out(result);
out << *module; // print IR
fs::file(fs::get_config_dir() + "LLVM.log", fs::rewrite)
.write(out.str());
result.clear();
if (verifyModule(*module, &out))
{
out.flush();
LOG_ERROR(PPU, "{%s} LLVM: Translation failed:\n%s", name, result);
return;
}
LOG_SUCCESS(PPU, "LLVM: %zu functions generated", module->getFunctionList().size());
Module* module_ptr = module.get();
std::shared_ptr<ExecutionEngine> engine(EngineBuilder(std::move(module))
.setErrorStr(&result)
.setMCJITMemoryManager(std::make_unique<MemoryManager>())
.setOptLevel(llvm::CodeGenOpt::Aggressive)
.setRelocationModel(Reloc::PIC_)
.setCodeModel((u64)s_memory <= 0x60000000 ? CodeModel::Medium : CodeModel::Large)
.setMCPU(sys::getHostCPUName())
.create());
if (!engine)
{
throw fmt::exception("LLVM: Failed to create ExecutionEngine: %s", result);
}
engine->setProcessAllSections(true);
//engine->setVerifyModules(true);
engine->RegisterJITEventListener(&s_listener);
engine->finalizeObject();
s_ppu_compiled.clear();
// Get function addresses
for (const auto& info : funcs)
{
if (info.second)
{
const std::uintptr_t link = engine->getFunctionAddress(fmt::format("__sub_%x", info.first));
s_ppu_compiled.emplace(info.first, (void(*)())link);
LOG_NOTICE(PPU, "** Function __sub_%x -> 0x%llx (addr=0x%x, size=0x%x)", info.first, link, info.first, info.second);
}
}
// Delete IR to lower memory consumption
for (auto& func : module_ptr->functions())
{
func.deleteBody();
}
#ifdef _WIN32
// Register .xdata UNWIND_INFO (.pdata section is empty for some reason)
std::set<u64> func_set;
for (const auto& pair : s_ppu_compiled)
{
// Get addresses
func_set.emplace((u64)pair.second);
}
func_set.emplace(::align(*--func_set.end() + 4096, 4096));
const u64 base = (u64)s_memory;
const u8* bits = s_unwind_info;
s_unwind.clear();
s_unwind.reserve(s_ppu_compiled.size());
for (auto it = func_set.begin(), end = --func_set.end(); it != end; it++)
{
const u64 addr = *it;
const u64 next = *func_set.upper_bound(addr);
// Generate RUNTIME_FUNCTION record
RUNTIME_FUNCTION uw;
uw.BeginAddress = static_cast<u32>(addr - base);
uw.EndAddress = static_cast<u32>(next - base);
uw.UnwindData = static_cast<u32>((u64)bits - base);
s_unwind.emplace_back(uw);
// Parse .xdata record
VERIFY(*bits++ == 1); // Version and flags
bits++; // Size of prolog
const u8 count = *bits++; // Count of unwind codes
bits++; // Frame Reg + Off
bits += ::align(count, 2) * sizeof(u16); // UNWIND_CODE array
while (!*bits && bits < s_unwind_info + s_unwind_size) bits++; // Skip strange zero padding (???)
}
VERIFY(bits == s_unwind_info + s_unwind_size);
VERIFY(RtlAddFunctionTable(s_unwind.data(), (DWORD)s_unwind.size(), base));
LOG_SUCCESS(GENERAL, "LLVM: UNWIND_INFO registered (addr=0x%p, size=0x%llx)", s_unwind_info, s_unwind_size);
#endif
fxm::import<ExecutionEngine>(WRAP_EXPR(engine));
LOG_SUCCESS(PPU, "LLVM: Compilation finished (%s)", sys::getHostCPUName().data());
}
#else
extern void ppu_initialize(const std::string& name, const std::vector<std::pair<u32, u32>>& funcs, u32 entry)
{
}
#endif