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Locking around some JIT stuff.

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Excessive for now, but safer.
This commit is contained in:
Ben Vanik
2013-10-16 21:32:20 -07:00
parent 8e37fb8502
commit c53db98517
4 changed files with 18 additions and 1 deletions
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7
src/xenia/cpu/x64/x64_jit.cc
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@@ -27,10 +27,12 @@ using namespace AsmJit;
X64JIT::X64JIT(xe_memory_ref memory, SymbolTable* sym_table) :
JIT(memory, sym_table),
emitter_(NULL) {
jit_lock_ = xe_mutex_alloc(10000);
}
X64JIT::~X64JIT() {
delete emitter_;
xe_mutex_free(jit_lock_);
}
int X64JIT::Setup() {
@@ -160,17 +162,20 @@ int X64JIT::UninitModule(ExecModule* module) {
void* X64JIT::GetFunctionPointer(sdb::FunctionSymbol* fn_symbol) {
// Check function.
// TODO(benvanik): make this lock-free (or spin).
xe_mutex_lock(jit_lock_);
x64_function_t fn_ptr = (x64_function_t)fn_symbol->impl_value;
if (!fn_ptr) {
// Function hasn't been prepped yet - make it now inline.
// The emitter will lock and do other fancy things, if required.
if (emitter_->PrepareFunction(fn_symbol)) {
xe_mutex_unlock(jit_lock_);
return NULL;
}
fn_ptr = (x64_function_t)fn_symbol->impl_value;
XEASSERTNOTNULL(fn_ptr);
}
xe_mutex_unlock(jit_lock_);
return fn_ptr;
}