ContextVector ContextUtils::getAllContexts(SandboxVector& sandboxes) {
ContextVector Cs;
Cs.push_back(PRIV_CONTEXT);
Cs.push_back(NO_CONTEXT);
Cs.insert(Cs.end(), sandboxes.begin(), sandboxes.end());
return Cs;
}
ContextVector ContextUtils::getContextsForMethod(Function* F, bool contextInsensitive, SandboxVector& sandboxes, Module& M) {
if (contextInsensitive) {
return ContextVector(1, SINGLE_CONTEXT);
}
else {
ContextVector Cs;
if (SandboxUtils::isPrivilegedMethod(F, M)) {
Cs.push_back(PRIV_CONTEXT);
}
SandboxVector containers = SandboxUtils::getSandboxesContainingMethod(F, sandboxes);
Cs.insert(Cs.begin(), containers.begin(), containers.end());
return Cs;
}
}
ContextVector ContextUtils::getContextsForInstruction(Instruction* I, bool contextInsensitive, SandboxVector& sandboxes, Module& M) {
SDEBUG("soaap.util.context", 5, dbgs() << "getContextsForInstruction\n");
if (contextInsensitive) {
SDEBUG("soaap.util.context", 5, dbgs() << "context insensitive\n");
return ContextVector(1, SINGLE_CONTEXT);
}
else {
ContextVector Cs;
if (SandboxUtils::isPrivilegedInstruction(I, sandboxes, M)) {
Cs.push_back(PRIV_CONTEXT);
}
SDEBUG("soaap.util.context", 5, dbgs() << "looking for sandboxes containing instruction\n");
SandboxVector containers = SandboxUtils::getSandboxesContainingInstruction(I, sandboxes);
Cs.insert(Cs.begin(), containers.begin(), containers.end());
return Cs;
}
}