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Fix crash in JIT when compiling LLVM blocks

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kd-11 2024-08-25 20:51:58 +03:00 committed by kd-11
parent 4f97ea8da7
commit 56d35bf409
1 changed files with 7 additions and 2 deletions
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9
Utilities/JITASM.cpp
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@ -185,8 +185,13 @@ static u8* add_jit_memory(usz size, usz align)
if (olda != newa) [[unlikely]]
{
#ifndef CAN_OVERCOMMIT
// Commit more memory
utils::memory_commit(pointer + olda, newa - olda, Prot);
// Commit more memory.
// NOTE: Calling memory commit in parallel on the same addresses can throw a permission error.
{
static std::mutex mcommit_lock;
std::lock_guard lock(mcommit_lock);
utils::memory_commit(pointer + olda, newa - olda, Prot);
}
#endif
// Acknowledge committed memory
Ctr.atomic_op([&](u64& ctr)