4fe46edf8d
When targeting arm64e, vtable pointers are signed with a discriminator that incorporates the object's address (PointerAuthVTPtrAddressDiscrimination) and class type (PointerAuthVTPtrTypeDiscrimination). I had to make a small change to clang, specifically in getPointerAuthDeclDiscriminator(). Previously, that was computing the discriminator based on getMangledName(). The latter returns the AsmLabelAttr, which for functions imported by lldb, is prefixed with `$__lldb_func`, causing a different discriminator to be generated.
28 lines
489 B
C++
28 lines
489 B
C++
#include <cstdio>
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class Base {
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public:
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virtual int value() { return 10; }
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virtual ~Base() = default;
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};
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class Derived : public Base {
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public:
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int value() override { return 20; }
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};
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class OtherDerived : public Base {
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public:
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int value() override { return 30; }
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};
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int call_value(Base *obj) { return obj->value(); }
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int main() {
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Derived d;
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OtherDerived od;
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Base *base_ptr = &d;
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printf("%d %d %d\n", d.value(), od.value(), base_ptr->value());
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return 0; // break here
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}
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