#include "JIT.h"
#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/Streams.h"
-#include "llvm/System/DynamicLibrary.h"
+#include "llvm/Support/DynamicLibrary.h"
#include "llvm/Config/config.h"
using namespace llvm;
#include <sys/stat.h>
#endif
#include <fcntl.h>
-/* stat functions are redirecting to __xstat with a version number. On x86-64
- * linking with libc_nonshared.a and -Wl,--export-dynamic doesn't make 'stat'
+#include <unistd.h>
+/* stat functions are redirecting to __xstat with a version number. On x86-64
+ * linking with libc_nonshared.a and -Wl,--export-dynamic doesn't make 'stat'
* available as an exported symbol, so we have to add it explicitly.
*/
namespace {
return 0; // Always successful
}
+static int jit_noop() {
+ return 0;
+}
+
//===----------------------------------------------------------------------===//
//
/// getPointerToNamedFunction - This method returns the address of the specified
if (Name == "exit") return (void*)(intptr_t)&jit_exit;
if (Name == "atexit") return (void*)(intptr_t)&jit_atexit;
+ // We should not invoke parent's ctors/dtors from generated main()!
+ // On Mingw and Cygwin, the symbol __main is resolved to
+ // callee's(eg. tools/lli) one, to invoke wrong duplicated ctors
+ // (and register wrong callee's dtors with atexit(3)).
+ // We expect ExecutionEngine::runStaticConstructorsDestructors()
+ // is called before ExecutionEngine::runFunctionAsMain() is called.
+ if (Name == "__main") return (void*)(intptr_t)&jit_noop;
+
const char *NameStr = Name.c_str();
// If this is an asm specifier, skip the sentinal.
if (NameStr[0] == 1) ++NameStr;
-
+
// If it's an external function, look it up in the process image...
void *Ptr = sys::DynamicLibrary::SearchForAddressOfSymbol(NameStr);
if (Ptr) return Ptr;
-
+
// If it wasn't found and if it starts with an underscore ('_') character,
// and has an asm specifier, try again without the underscore.
if (Name[0] == 1 && NameStr[0] == '_') {
Ptr = sys::DynamicLibrary::SearchForAddressOfSymbol(NameStr+1);
if (Ptr) return Ptr;
}
-
+
// Darwin/PPC adds $LDBLStub suffixes to various symbols like printf. These
// are references to hidden visibility symbols that dlsym cannot resolve.
// If we have one of these, strip off $LDBLStub and try again.
}
#endif
}
-
+
/// If a LazyFunctionCreator is installed, use it to get/create the function.
if (LazyFunctionCreator)
if (void *RP = LazyFunctionCreator(Name))
return RP;
if (AbortOnFailure) {
- llvm_report_error("Program used external function '"+Name+
+ report_fatal_error("Program used external function '"+Name+
"' which could not be resolved!");
}
return 0;