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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25140 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-01-07 06:20:51 +00:00
parent 51e6a38b86
commit 2199877563
1 changed files with 8 additions and 6 deletions
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14
lib/ExecutionEngine/JIT/JITEmitter.cpp
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@ -105,8 +105,8 @@ JITMemoryManager::JITMemoryManager(bool useGOT) {
}
JITMemoryManager::~JITMemoryManager() {
for (std::list<sys::MemoryBlock>::iterator ib = Blocks.begin(), ie = Blocks.end();
ib != ie; ++ib)
for (std::list<sys::MemoryBlock>::iterator ib = Blocks.begin(),
ie = Blocks.end(); ib != ie; ++ib)
sys::Memory::ReleaseRWX(*ib);
Blocks.clear();
}
@ -352,14 +352,15 @@ void *JITResolver::JITCompilerFn(void *Stub) {
// a little bit after the stub. As such, use upper_bound to find it.
std::map<void*, Function*>::iterator I =
JR.state.getStubToFunctionMap(locked).upper_bound(Stub);
assert(I != JR.state.getStubToFunctionMap(locked).begin() && "This is not a known stub!");
assert(I != JR.state.getStubToFunctionMap(locked).begin() &&
"This is not a known stub!");
Function *F = (--I)->second;
// We might like to remove the stub from the StubToFunction map.
// We can't do that! Multiple threads could be stuck, waiting to acquire the
// lock above. As soon as the 1st function finishes compiling the function,
// the next one will be released, and needs to be able to find the function it needs
// to call.
// the next one will be released, and needs to be able to find the function it
// needs to call.
//JR.state.getStubToFunctionMap(locked).erase(I);
DEBUG(std::cerr << "JIT: Lazily resolving function '" << F->getName()
@ -534,7 +535,8 @@ void JITEmitter::finishFunction(MachineFunction &F) {
MR.setGOTIndex(idx);
if (((void**)MemMgr.getGOTBase())[idx] != ResultPtr) {
DEBUG(std::cerr << "GOT was out of date for " << ResultPtr
<< " pointing at " << ((void**)MemMgr.getGOTBase())[idx] << "\n");
<< " pointing at " << ((void**)MemMgr.getGOTBase())[idx]
<< "\n");
((void**)MemMgr.getGOTBase())[idx] = ResultPtr;
}
}