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69 lines
1.8 KiB
69 lines
1.8 KiB
// This file is used from other tests.
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// RUN: true
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#include <dlfcn.h>
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#include <stdio.h>
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#include <stdlib.h>
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struct MyObject;
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typedef MyObject *MyObjectRef;
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extern "C" {
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void InitializeLibrary();
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MyObject *ObjectCreate();
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long ObjectRead(MyObject *);
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void ObjectWrite(MyObject *, long);
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void ObjectWriteAnother(MyObject *, long);
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}
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struct MyObject {
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long _val;
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long _another;
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};
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#if defined(USE_TSAN_CALLBACKS)
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static void *tag;
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void *(*callback_register_tag)(const char *object_type);
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void *(*callback_assign_tag)(void *addr, void *tag);
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void (*callback_read)(void *addr, void *caller_pc, void *tag);
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void (*callback_write)(void *addr, void *caller_pc, void *tag);
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#endif
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void InitializeLibrary() {
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#if defined(USE_TSAN_CALLBACKS)
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callback_register_tag = (decltype(callback_register_tag))dlsym(RTLD_DEFAULT, "__tsan_external_register_tag");
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callback_assign_tag = (decltype(callback_assign_tag))dlsym(RTLD_DEFAULT, "__tsan_external_assign_tag");
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callback_read = (decltype(callback_read))dlsym(RTLD_DEFAULT, "__tsan_external_read");
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callback_write = (decltype(callback_write))dlsym(RTLD_DEFAULT, "__tsan_external_write");
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tag = callback_register_tag("MyLibrary::MyObject");
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#endif
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}
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MyObject *ObjectCreate() {
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MyObject *ref = (MyObject *)malloc(sizeof(MyObject));
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#if defined(USE_TSAN_CALLBACKS)
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callback_assign_tag(ref, tag);
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#endif
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return ref;
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}
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long ObjectRead(MyObject *ref) {
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#if defined(USE_TSAN_CALLBACKS)
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callback_read(ref, __builtin_return_address(0), tag);
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#endif
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return ref->_val;
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}
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void ObjectWrite(MyObject *ref, long val) {
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#if defined(USE_TSAN_CALLBACKS)
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callback_write(ref, __builtin_return_address(0), tag);
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#endif
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ref->_val = val;
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}
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void ObjectWriteAnother(MyObject *ref, long val) {
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#if defined(USE_TSAN_CALLBACKS)
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callback_write(ref, __builtin_return_address(0), tag);
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#endif
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ref->_another = val;
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}
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