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PPU LLVM: add MemoryManager3

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For temporary allocations.
Add flags in jit_compiler constructor.
This commit is contained in:
Nekotekina 2019-03-18 19:24:55 +03:00
parent 466d58ccef
commit 849411693a
3 changed files with 70 additions and 6 deletions
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72
Utilities/JIT.cpp
View File

@ -503,6 +503,59 @@ struct MemoryManager2 : llvm::RTDyldMemoryManager
{
return false;
}
void registerEHFrames(u8* addr, u64 load_addr, std::size_t size) override
{
}
void deregisterEHFrames() override
{
}
};
// Simple memory manager. I promise there will be no MemoryManager4.
struct MemoryManager3 : llvm::RTDyldMemoryManager
{
std::vector<std::pair<u8*, std::size_t>> allocs;
MemoryManager3() = default;
~MemoryManager3() override
{
for (auto& a : allocs)
{
utils::memory_release(a.first, a.second);
}
}
u8* allocateCodeSection(std::uintptr_t size, uint align, uint sec_id, llvm::StringRef sec_name) override
{
u8* r = static_cast<u8*>(utils::memory_reserve(size));
utils::memory_commit(r, size, utils::protection::wx);
allocs.emplace_back(r, size);
return r;
}
u8* allocateDataSection(std::uintptr_t size, uint align, uint sec_id, llvm::StringRef sec_name, bool is_ro) override
{
u8* r = static_cast<u8*>(utils::memory_reserve(size));
utils::memory_commit(r, size);
allocs.emplace_back(r, size);
return r;
}
bool finalizeMemory(std::string* = nullptr) override
{
return false;
}
void registerEHFrames(u8* addr, u64 load_addr, std::size_t size) override
{
}
void deregisterEHFrames() override
{
}
};
// Helper class
@ -655,7 +708,7 @@ std::string jit_compiler::cpu(const std::string& _cpu)
return m_cpu;
}
jit_compiler::jit_compiler(const std::unordered_map<std::string, u64>& _link, const std::string& _cpu, bool large)
jit_compiler::jit_compiler(const std::unordered_map<std::string, u64>& _link, const std::string& _cpu, u32 flags)
: m_link(_link)
, m_cpu(cpu(_cpu))
{
@ -663,13 +716,24 @@ jit_compiler::jit_compiler(const std::unordered_map<std::string, u64>& _link, co
if (m_link.empty())
{
std::unique_ptr<llvm::RTDyldMemoryManager> mem;
if (flags & 0x1)
{
mem = std::make_unique<MemoryManager3>();
}
else
{
mem = std::make_unique<MemoryManager2>();
}
// Auxiliary JIT (does not use custom memory manager, only writes the objects)
m_engine.reset(llvm::EngineBuilder(std::make_unique<llvm::Module>("null_", m_context))
.setErrorStr(&result)
.setEngineKind(llvm::EngineKind::JIT)
.setMCJITMemoryManager(std::make_unique<MemoryManager2>())
.setMCJITMemoryManager(std::move(mem))
.setOptLevel(llvm::CodeGenOpt::Aggressive)
.setCodeModel(large ? llvm::CodeModel::Large : llvm::CodeModel::Small)
.setCodeModel(flags & 0x2 ? llvm::CodeModel::Large : llvm::CodeModel::Small)
.setMCPU(m_cpu)
.create());
}
@ -684,7 +748,7 @@ jit_compiler::jit_compiler(const std::unordered_map<std::string, u64>& _link, co
.setEngineKind(llvm::EngineKind::JIT)
.setMCJITMemoryManager(std::move(mem))
.setOptLevel(llvm::CodeGenOpt::Aggressive)
.setCodeModel(large ? llvm::CodeModel::Large : llvm::CodeModel::Small)
.setCodeModel(flags & 0x2 ? llvm::CodeModel::Large : llvm::CodeModel::Small)
.setMCPU(m_cpu)
.create());

2
Utilities/JIT.h
View File

@ -128,7 +128,7 @@ class jit_compiler final
std::string m_cpu;
public:
jit_compiler(const std::unordered_map<std::string, u64>& _link, const std::string& _cpu, bool large = false);
jit_compiler(const std::unordered_map<std::string, u64>& _link, const std::string& _cpu, u32 flags = 0);
~jit_compiler();
// Get LLVM context

2
rpcs3/Emu/Cell/PPUThread.cpp
View File

@ -1564,7 +1564,7 @@ extern void ppu_initialize(const ppu_module& info)
LOG_WARNING(PPU, "LLVM: Compiling module %s%s", cache_path, obj_name);
// Use another JIT instance
jit_compiler jit2({}, g_cfg.core.llvm_cpu);
jit_compiler jit2({}, g_cfg.core.llvm_cpu, 0x1);
ppu_initialize2(jit2, part, cache_path, obj_name);
}