Put back the initializing the targets in the disassembler API with a comment as
to why this is needed. This broke the darwin's otool(1) program. This change
was made in r144385.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150832 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCDisassembler/Disassembler.cpp b/lib/MC/MCDisassembler/Disassembler.cpp
index dee576e..c6c67c5 100644
--- a/lib/MC/MCDisassembler/Disassembler.cpp
+++ b/lib/MC/MCDisassembler/Disassembler.cpp
@@ -18,6 +18,7 @@
#include "llvm/MC/MCRegisterInfo.h"
#include "llvm/Support/MemoryObject.h"
#include "llvm/Support/TargetRegistry.h"
+#include "llvm/Support/TargetSelect.h"
#include "llvm/Support/ErrorHandling.h"
namespace llvm {
@@ -35,6 +36,18 @@
LLVMDisasmContextRef LLVMCreateDisasm(const char *TripleName, void *DisInfo,
int TagType, LLVMOpInfoCallback GetOpInfo,
LLVMSymbolLookupCallback SymbolLookUp) {
+ // Initialize targets and assembly printers/parsers.
+ // FIXME: Clients are responsible for initializing the targets. And this
+ // would be done by calling routines in "llvm-c/Target.h" which are static
+ // line functions. But the current use of LLVMCreateDisasm() is to dynamically
+ // load libLTO with ldopen() and then lookup the symbols using dlsym().
+ // And since these initialize routines are static that does not work which
+ // is why the call to them in this 'C' library API was added back.
+ llvm::InitializeAllTargetInfos();
+ llvm::InitializeAllTargetMCs();
+ llvm::InitializeAllAsmParsers();
+ llvm::InitializeAllDisassemblers();
+
// Get the target.
std::string Error;
const Target *TheTarget = TargetRegistry::lookupTarget(TripleName, Error);