39 lines
590 B
C
39 lines
590 B
C
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#ifndef RUST_ABI_H
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#define RUST_ABI_H
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#ifdef __WIN32__
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#include <windows.h>
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#else
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#include <dlfcn.h>
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#endif
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template<typename T>
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class weak_symbol {
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private:
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bool init;
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T *data;
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const char *name;
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void fill() {
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if (init)
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return;
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#ifdef __WIN32__
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data = (T *)GetProcAddress(GetModuleHandle(NULL), name);
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#else
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data = (T *)dlsym(RTLD_DEFAULT, name);
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#endif
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init = true;
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}
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public:
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weak_symbol(const char *in_name)
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: init(false), data(NULL), name(in_name) {}
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T *&operator*() { fill(); return data; }
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};
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#endif
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