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PPU LLVM/MacOs: Fix symbol resolver execution

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Breakdown into relocation and exuection steps, fixing MAP_JIT region interaction
This commit is contained in:
Elad 2026-05-09 16:49:53 +03:00
parent 0c14f6712c
commit 022de7a67b
1 changed files with 45 additions and 6 deletions
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51
rpcs3/Emu/Cell/PPUThread.cpp
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@ -5448,17 +5448,56 @@ bool ppu_initialize(const ppu_module<lv2_obj>& info, bool check_only, u64 file_s
{
usz index = umax;
ppu_log.notice("Executing %u symbol resolvers", jit_mod.symbol_resolvers.size());
for (auto& sim : jit_mod.symbol_resolvers)
#ifdef __APPLE__
named_thread sym_worker("PPU Symbol Resolver", [&]()
{
index++;
// jit_compiler::get() may write to executable memory (relocations)
pthread_jit_write_protect_np(false);
#else
{
#endif
if (is_first)
{
ppu_log.notice("Resolving %u symbol resolver functions", jit_mod.symbol_resolvers.size());
sim = ensure(!is_first ? sim : reinterpret_cast<void(*)(u8*, u64)>(jits[index]->get("__resolve_symbols")));
sim(vm::g_exec_addr, info.segs[0].addr);
for (auto& sim : jit_mod.symbol_resolvers)
{
index++;
ppu_log.notice("Executed symbol resolver #%u", index);
ensure(!sim);
sim = ensure(reinterpret_cast<void(*)(u8*, u64)>(jits[index]->get("__resolve_symbols")));
ppu_log.notice("Resolved symbol resolver function #%u", index);
}
}
ppu_log.notice("Executing %u symbol resolvers", jit_mod.symbol_resolvers.size());
#ifdef __APPLE__
// Virtual memory mapped by MAP_JIT cannot be executed until pthread_jit_write_protect_np(true)
pthread_jit_write_protect_np(true);
#endif
index = umax;
for (auto& sim : jit_mod.symbol_resolvers)
{
index++;
ensure(sim);
sim(vm::g_exec_addr, info.segs[0].addr);
ppu_log.notice("Executed symbol resolver #%u", index);
}
#ifndef __APPLE__
}
#else
});
sym_worker();
#endif
}
// Find a BLR-only function in order to copy it to all BLRs (some games need it)