Add a C binding to the Target and TargetMachine classes to allow for emitting
binary and assembly. Patch by Carlo Kok. Emitting was inspired by but not based
on the D llvm bindings.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154493 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/llvm-c/TargetMachine.h b/include/llvm-c/TargetMachine.h
new file mode 100644
index 0000000..0d35d73
--- /dev/null
+++ b/include/llvm-c/TargetMachine.h
@@ -0,0 +1,142 @@
+/*===-- llvm-c/TargetMachine.h - Target Machine Library C Interface - C++ -*-=*\
+|* *|
+|* The LLVM Compiler Infrastructure *|
+|* *|
+|* This file is distributed under the University of Illinois Open Source *|
+|* License. See LICENSE.TXT for details. *|
+|* *|
+|*===----------------------------------------------------------------------===*|
+|* *|
+|* This header declares the C interface to the Target and TargetMachine *|
+|* classes, which can be used to generate assembly or object files. *|
+|* *|
+|* Many exotic languages can interoperate with C code but have a harder time *|
+|* with C++ due to name mangling. So in addition to C, this interface enables *|
+|* tools written in such languages. *|
+|* *|
+\*===----------------------------------------------------------------------===*/
+
+#ifndef LLVM_C_TARGETMACHINE_H
+#define LLVM_C_TARGETMACHINE_H
+
+#include "llvm-c/Core.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+typedef struct LLVMTargetMachine *LLVMTargetMachineRef;
+typedef struct LLVMTarget *LLVMTargetRef;
+
+typedef enum {
+ LLVMCodeGenLevelNone,
+ LLVMCodeGenLevelLess,
+ LLVMCodeGenLevelDefault,
+ LLVMCodeGenLevelAggressive
+} LLVMCodeGenOptLevel;
+
+typedef enum {
+ LLVMRelocDefault,
+ LLVMRelocStatic,
+ LLVMRelocPIC,
+ LLVMRelocDynamicNoPic
+} LLVMRelocMode;
+
+typedef enum {
+ LLVMCodeModelDefault,
+ LLVMCodeModelJITDefault,
+ LLVMCodeModelSmall,
+ LLVMCodeModelKernel,
+ LLVMCodeModelMedium,
+ LLVMCodeModelLarge
+} LLVMCodeModel;
+
+typedef enum {
+ LLVMAssemblyFile,
+ LLVMObjectFile
+} LLVMCodeGenFileType;
+
+/** Returns the first llvm::Target in the registered targets list. */
+LLVMTargetRef LLVMGetFirstTarget();
+/** Returns the next llvm::Target given a previous one (or null if there's none) */
+LLVMTargetRef LLVMGetNextTarget(LLVMTargetRef T);
+
+/*===-- Target ------------------------------------------------------------===*/
+/** Returns the name of a target. See llvm::Target::getName */
+const char *LLVMGetTargetName(LLVMTargetRef T);
+
+/** Returns the description of a target. See llvm::Target::getDescription */
+const char *LLVMGetTargetDescription(LLVMTargetRef T);
+
+/** Returns if the target has a JIT */
+LLVMBool LLVMTargetHasJIT(LLVMTargetRef T);
+
+/** Returns if the target has a TargetMachine associated */
+LLVMBool LLVMTargetHasTargetMachine(LLVMTargetRef T);
+
+/** Returns if the target as an ASM backend (required for emitting output) */
+LLVMBool LLVMTargetHasAsmBackend(LLVMTargetRef T);
+
+/*===-- Target Machine ----------------------------------------------------===*/
+/** Creates a new llvm::TargetMachine. See llvm::Target::createTargetMachine */
+LLVMTargetMachineRef LLVMCreateTargetMachine(LLVMTargetRef T, char *Triple,
+ char *CPU, char *Features, LLVMCodeGenOptLevel Level, LLVMRelocMode Reloc,
+ LLVMCodeModel CodeModel);
+
+/** Dispose the LLVMTargetMachineRef instance generated by
+ LLVMCreateTargetMachine. */
+void LLVMDisposeTargetMachine(LLVMTargetMachineRef T);
+
+/** Returns the Target used in a TargetMachine */
+LLVMTargetRef LLVMGetTargetMachineTarget(LLVMTargetMachineRef T);
+
+/** Returns the triple used creating this target machine. See
+ llvm::TargetMachine::getTriple. The result needs to be disposed with
+ LLVMDisposeMessage. */
+char *LLVMGetTargetMachineTriple(LLVMTargetMachineRef T);
+
+/** Returns the cpu used creating this target machine. See
+ llvm::TargetMachine::getCPU. The result needs to be disposed with
+ LLVMDisposeMessage. */
+char *LLVMGetTargetMachineCPU(LLVMTargetMachineRef T);
+
+/** Returns the feature string used creating this target machine. See
+ llvm::TargetMachine::getFeatureString. The result needs to be disposed with
+ LLVMDisposeMessage. */
+char *LLVMGetTargetMachineFeatureString(LLVMTargetMachineRef T);
+
+/** Returns the llvm::TargetData used for this llvm:TargetMachine. */
+LLVMTargetDataRef LLVMGetTargetMachineData(LLVMTargetMachineRef T);
+
+/** Emits an asm or object file for the given module to the filename. This
+ wraps several c++ only classes (among them a file stream). Returns any
+ error in ErrorMessage. Use LLVMDisposeMessage to dispose the message. */
+LLVMBool LLVMTargetMachineEmitToFile(LLVMTargetMachineRef T, LLVMModuleRef M,
+ char *Filename, LLVMCodeGenFileType codegen, char **ErrorMessage);
+
+
+
+
+#ifdef __cplusplus
+}
+
+namespace llvm {
+ class TargetMachine;
+ class Target;
+
+ inline TargetMachine *unwrap(LLVMTargetMachineRef P) {
+ return reinterpret_cast<TargetMachine*>(P);
+ }
+ inline Target *unwrap(LLVMTargetRef P) {
+ return reinterpret_cast<Target*>(P);
+ }
+ inline LLVMTargetMachineRef wrap(const TargetMachine *P) {
+ return reinterpret_cast<LLVMTargetMachineRef>(
+ const_cast<TargetMachine*>(P));
+ }
+ inline LLVMTargetRef wrap(const Target * P) {
+ return reinterpret_cast<LLVMTargetRef>(const_cast<Target*>(P));
+ }
+}
+#endif
+
+#endif