search for: segmentd

...o you want to do that? It may lead >> to a different answer. >> >> I'm trying to implement something similar to segmented stack mechanism by using LLVM. Instead of inserting comparison code in the prologue of the function, I would like do the probe before arguments pushed. The segmentd stacks append a guarded page. This guard page will call the addmorestack function if the probe instructions touch this guarded page. Otherwise, it only stroe the return address in the bottom of the callee stack frame. In order to achieve this, for each function call, two instructions are needed to...

...tructions? Why do you want to do that? It may lead to a different answer. > > I'm trying to implement something similar to segmented stack mechanism by using LLVM. Instead of inserting comparison code in the prologue of the function, I would like do the probe before arguments pushed. The segmentd stacks append a guarded page. This guard page will call the addmorestack function if the probe instructions touch this guarded page. Otherwise, it only stroe the return address in the bottom of the callee stack frame. > > In order to achieve this, for each function call, two instructions ar...