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util: handle missing register mapping gracefully

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It's OK if we cannot map every register LLVM knows to a Fail register
ID, but we need to explicitly skip these cases in the
RegisterImporter.

Change-Id: I2152f819fb94aa4de5720c5798b229b66988d382
This commit is contained in:
Horst Schirmeier
2013-09-02 12:09:00 +02:00
parent 89aff7df65
commit 11513ef78d
3 changed files with 21 additions and 2 deletions
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2
src/core/util/llvmdisassembler/LLVMtoFailTranslator.cpp
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@ -9,7 +9,7 @@ const LLVMtoFailTranslator::reginfo_t & LLVMtoFailTranslator::getFailRegisterID
if( it != llvm_to_fail_map.end() ) {// found
return (*it).second;
} else { // not found
std::cout << "Fail ID for LLVM Register id " << regid << " not found :(" << std::endl;
std::cout << "Fail ID for LLVM Register id " << std::dec << regid << " not found :(" << std::endl;
//exit(EXIT_FAILURE);
return notfound;
}

8
src/core/util/llvmdisassembler/LLVMtoFailTranslator.hpp
View File

@ -51,6 +51,12 @@ protected:
public:
/**
* Translates a backend-specific register ID to a Fail register ID.
* @param regid A backend-specific register ID.
* @return A Fail* register ID, or LLVMtoFailTranslator::notfound if no
* mapping was found.
*/
const reginfo_t & getFailRegisterID(unsigned int regid);
regdata_t getRegisterContent(ConcreteCPU & cpu, const reginfo_t & reg);
@ -63,7 +69,7 @@ public:
}
int getFailRegisterId(unsigned int regid) { return this->getFailRegisterID(regid).id; };
private:
reginfo_t notfound;
};