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add some missing externals

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28955 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Andrew Lenharth 2006-06-28 01:16:06 +00:00
parent b8e604c29a
commit cc131c4032
1 changed files with 18 additions and 3 deletions
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21
lib/Analysis/DataStructure/Local.cpp
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@ -591,6 +591,8 @@ void GraphBuilder::visitCallSite(CallSite CS) {
}
}
//gets select localtime ioctl
if ((F->isExternal() && F->getName() == "calloc")
|| F->getName() == "posix_memalign"
|| F->getName() == "memalign" || F->getName() == "valloc") {
@ -627,7 +629,8 @@ void GraphBuilder::visitCallSite(CallSite CS) {
F->getName() == "puts" || F->getName() == "write" ||
F->getName() == "open" || F->getName() == "create" ||
F->getName() == "truncate" || F->getName() == "chdir" ||
F->getName() == "mkdir" || F->getName() == "rmdir") {
F->getName() == "mkdir" || F->getName() == "rmdir" ||
F->getName() == "strlen") {
// These functions read all of their pointer operands.
for (CallSite::arg_iterator AI = CS.arg_begin(), E = CS.arg_end();
AI != E; ++AI) {
@ -636,7 +639,7 @@ void GraphBuilder::visitCallSite(CallSite CS) {
N->setReadMarker();
}
return;
} else if (F->getName() == "memchr") {
} else if (F->getName() == "memchr") {
DSNodeHandle RetNH = getValueDest(**CS.arg_begin());
DSNodeHandle Result = getValueDest(*CS.getInstruction());
RetNH.mergeWith(Result);
@ -644,7 +647,8 @@ void GraphBuilder::visitCallSite(CallSite CS) {
N->setReadMarker();
return;
} else if (F->getName() == "read" || F->getName() == "pipe" ||
F->getName() == "wait" || F->getName() == "time") {
F->getName() == "wait" || F->getName() == "time" ||
F->getName() == "getrusage") {
// These functions write all of their pointer operands.
for (CallSite::arg_iterator AI = CS.arg_begin(), E = CS.arg_end();
AI != E; ++AI) {
@ -1002,6 +1006,17 @@ void GraphBuilder::visitCallSite(CallSite CS) {
if (DSNode *N = getValueDest(**(CS.arg_begin() + 1)).getNode())
N->setReadMarker();
return;
} else if (F->getName() == "strcpy" || F->getName() == "strncpy") {
//This might be making unsafe assumptions about usage
//Merge return and first arg
DSNodeHandle RetNH = getValueDest(*CS.getInstruction());
RetNH.mergeWith(getValueDest(**CS.arg_begin()));
if (DSNode *N = RetNH.getNode())
N->setHeapNodeMarker()->setModifiedMarker();
//and read second pointer
if (DSNode *N = getValueDest(**(CS.arg_begin() + 1)).getNode())
N->setReadMarker();
return;
} else {
// Unknown function, warn if it returns a pointer type or takes a
// pointer argument.