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...JIT global variable emitter is using the MachineCodeEmitter::allocate() function, which uses memory allocated by the JIT memory manager (which should be used for functions only). The assert() is triggered because the global variable is dumped to the header of the free blocks list (provided that ThisAllocated becomes 1). My proposed patch: http://web.ist.utl.pt/nuno.lopes/llvm_jit_global_emitter.txt (similar to what other JIT variable emitters do). Please comment. Thanks, Nuno

...doesn't handle buffer overflow well? You could get into problems with that when it contained only code, although it obviously gets hit more often now. > The assert() > is triggered because the global variable is dumped to the header of > the free > blocks list (provided that ThisAllocated becomes 1). > > My proposed patch: > http://web.ist.utl.pt/nuno.lopes/llvm_jit_global_emitter.txt > (similar to > what other JIT variable emitters do). > > Please comment. > > Thanks, > Nuno > > _______________________________________________ > LLVM Develope...

...s entry from FunctionBlocks. > FunctionBlocks.erase(I); > + > + I = TableBlocks.find(F); > + if (I == TableBlocks.end()) return; > + > + // Find the block that is allocated for this function. > + MemRange = I->second; > + assert(MemRange->ThisAllocated && "Block isn't allocated!"); > + > + // Fill the buffer with garbage! > +#ifndef NDEBUG > + memset(MemRange+1, 0xCD, MemRange->BlockSize- > sizeof(*MemRange)); > +#endif > + > + // Free the memory. > + FreeMemoryList = MemRan...

Dear all, Here's a new patch with Evan's comments (thx Evan!) and some cleanups. Now the (duplicated) exception handling code is in a new file: lib/ExecutionEngine/JIT/JITDwarfEmitter. This patch should work on linux/x86 and linux/ppc (tested). Nicolas -------------- next part -------------- An embedded and charset-unspecified text was scrubbed... Name: jit-exceptions.patch URL: