Fix MachineCodeEmitter to use uintptr_t instead of intptr_t. This avoids some overflow issues. Patch by Thomas Jablin.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60828 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/MachOWriter.cpp b/lib/CodeGen/MachOWriter.cpp
index 613f680..a34204f 100644
--- a/lib/CodeGen/MachOWriter.cpp
+++ b/lib/CodeGen/MachOWriter.cpp
@@ -75,7 +75,7 @@
/// CPLocations - This is a map of constant pool indices to offsets from the
/// start of the section for that constant pool index.
- std::vector<intptr_t> CPLocations;
+ std::vector<uintptr_t> CPLocations;
/// CPSections - This is a map of constant pool indices to the MachOSection
/// containing the constant pool entry for that index.
@@ -83,12 +83,12 @@
/// JTLocations - This is a map of jump table indices to offsets from the
/// start of the section for that jump table index.
- std::vector<intptr_t> JTLocations;
+ std::vector<uintptr_t> JTLocations;
/// MBBLocations - This vector is a mapping from MBB ID's to their address.
/// It is filled in by the StartMachineBasicBlock callback and queried by
/// the getMachineBasicBlockAddress callback.
- std::vector<intptr_t> MBBLocations;
+ std::vector<uintptr_t> MBBLocations;
public:
MachOCodeEmitter(MachOWriter &mow) : MOW(mow), TM(MOW.TM) {
@@ -106,11 +106,11 @@
void emitConstantPool(MachineConstantPool *MCP);
void emitJumpTables(MachineJumpTableInfo *MJTI);
- virtual intptr_t getConstantPoolEntryAddress(unsigned Index) const {
+ virtual uintptr_t getConstantPoolEntryAddress(unsigned Index) const {
assert(CPLocations.size() > Index && "CP not emitted!");
return CPLocations[Index];
}
- virtual intptr_t getJumpTableEntryAddress(unsigned Index) const {
+ virtual uintptr_t getJumpTableEntryAddress(unsigned Index) const {
assert(JTLocations.size() > Index && "JT not emitted!");
return JTLocations[Index];
}
@@ -121,13 +121,13 @@
MBBLocations[MBB->getNumber()] = getCurrentPCOffset();
}
- virtual intptr_t getMachineBasicBlockAddress(MachineBasicBlock *MBB) const {
+ virtual uintptr_t getMachineBasicBlockAddress(MachineBasicBlock *MBB) const {
assert(MBBLocations.size() > (unsigned)MBB->getNumber() &&
MBBLocations[MBB->getNumber()] && "MBB not emitted!");
return MBBLocations[MBB->getNumber()];
}
- virtual intptr_t getLabelAddress(uint64_t Label) const {
+ virtual uintptr_t getLabelAddress(uint64_t Label) const {
assert(0 && "get Label not implemented");
abort();
return 0;