#ifndef LLVM_FUZZER_DFSAN_H
#define LLVM_FUZZER_DFSAN_H
#define LLVM_FUZZER_SUPPORTS_DFSAN 0
#if defined(__has_include)
# if __has_include(<sanitizer/dfsan_interface.h>)
# if defined (__linux__)
# undef LLVM_FUZZER_SUPPORTS_DFSAN
# define LLVM_FUZZER_SUPPORTS_DFSAN 1
# include <sanitizer/dfsan_interface.h>
# endif // __linux__
# endif
#endif // defined(__has_include)
#if LLVM_FUZZER_SUPPORTS_DFSAN
extern "C" {
__attribute__((weak))
dfsan_label dfsan_create_label(const char *desc, void *userdata);
__attribute__((weak))
void dfsan_set_label(dfsan_label label, void *addr, size_t size);
__attribute__((weak))
void dfsan_add_label(dfsan_label label, void *addr, size_t size);
__attribute__((weak))
const struct dfsan_label_info *dfsan_get_label_info(dfsan_label label);
__attribute__((weak))
dfsan_label dfsan_read_label(const void *addr, size_t size);
}
namespace fuzzer {
static bool ReallyHaveDFSan() {
return &dfsan_create_label != nullptr;
}
} #else
typedef unsigned short dfsan_label;
struct dfsan_label_info {
dfsan_label l1, l2;
const char *desc;
void *userdata;
};
namespace fuzzer {
static bool ReallyHaveDFSan() { return false; }
}
#endif
#endif // LLVM_FUZZER_DFSAN_H