holdingarea/llvm/llvm-2.7/include/llvm-c/Target.h
branchbug235_bringup_0
changeset 20 d2d6724aef32
child 24 a3f46bb01be2
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/holdingarea/llvm/llvm-2.7/include/llvm-c/Target.h	Thu Sep 16 09:43:14 2010 +0100
@@ -0,0 +1,176 @@
+/*===-- llvm-c/Target.h - Target Lib C Iface --------------------*- 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 libLLVMTarget.a, which             *|
+|* implements target information.                                             *|
+|*                                                                            *|
+|* 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_TARGET_H
+#define LLVM_C_TARGET_H
+
+#include "llvm-c/Core.h"
+#include "llvm/Config/config.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+enum LLVMByteOrdering { LLVMBigEndian, LLVMLittleEndian };
+
+typedef struct LLVMOpaqueTargetData *LLVMTargetDataRef;
+typedef struct LLVMStructLayout *LLVMStructLayoutRef;
+
+/* Declare all of the target-initialization functions that are available. */
+#define LLVM_TARGET(TargetName) void LLVMInitialize##TargetName##TargetInfo();
+#include "llvm/Config/Targets.def"
+#undef LLVM_TARGET  /* Explicit undef to make SWIG happier */
+  
+#define LLVM_TARGET(TargetName) void LLVMInitialize##TargetName##Target();
+#include "llvm/Config/Targets.def"
+#undef LLVM_TARGET  /* Explicit undef to make SWIG happier */
+
+/** LLVMInitializeAllTargetInfos - The main program should call this function if
+    it wants access to all available targets that LLVM is configured to
+    support. */
+static inline void LLVMInitializeAllTargetInfos() {
+#define LLVM_TARGET(TargetName) LLVMInitialize##TargetName##TargetInfo();
+#include "llvm/Config/Targets.def"
+#undef LLVM_TARGET  /* Explicit undef to make SWIG happier */
+}
+
+/** LLVMInitializeAllTargets - The main program should call this function if it
+    wants to link in all available targets that LLVM is configured to
+    support. */
+static inline void LLVMInitializeAllTargets() {
+#define LLVM_TARGET(TargetName) LLVMInitialize##TargetName##Target();
+#include "llvm/Config/Targets.def"
+#undef LLVM_TARGET  /* Explicit undef to make SWIG happier */
+}
+  
+/** LLVMInitializeNativeTarget - The main program should call this function to
+    initialize the native target corresponding to the host.  This is useful 
+    for JIT applications to ensure that the target gets linked in correctly. */
+static inline LLVMBool LLVMInitializeNativeTarget() {
+  /* If we have a native target, initialize it to ensure it is linked in. */
+#ifdef LLVM_NATIVE_ARCH
+#define DoInit2(TARG) \
+  LLVMInitialize ## TARG ## Info ();          \
+  LLVMInitialize ## TARG ()
+#define DoInit(T) DoInit2(T)
+  DoInit(LLVM_NATIVE_ARCH);
+  return 0;
+#undef DoInit
+#undef DoInit2
+#else
+  return 1;
+#endif
+}  
+
+/*===-- Target Data -------------------------------------------------------===*/
+
+/** Creates target data from a target layout string.
+    See the constructor llvm::TargetData::TargetData. */
+LLVMTargetDataRef LLVMCreateTargetData(const char *StringRep);
+
+/** Adds target data information to a pass manager. This does not take ownership
+    of the target data.
+    See the method llvm::PassManagerBase::add. */
+void LLVMAddTargetData(LLVMTargetDataRef, LLVMPassManagerRef);
+
+/** Converts target data to a target layout string. The string must be disposed
+    with LLVMDisposeMessage.
+    See the constructor llvm::TargetData::TargetData. */
+char *LLVMCopyStringRepOfTargetData(LLVMTargetDataRef);
+
+/** Returns the byte order of a target, either LLVMBigEndian or
+    LLVMLittleEndian.
+    See the method llvm::TargetData::isLittleEndian. */
+enum LLVMByteOrdering LLVMByteOrder(LLVMTargetDataRef);
+
+/** Returns the pointer size in bytes for a target.
+    See the method llvm::TargetData::getPointerSize. */
+unsigned LLVMPointerSize(LLVMTargetDataRef);
+
+/** Returns the integer type that is the same size as a pointer on a target.
+    See the method llvm::TargetData::getIntPtrType. */
+LLVMTypeRef LLVMIntPtrType(LLVMTargetDataRef);
+
+/** Computes the size of a type in bytes for a target.
+    See the method llvm::TargetData::getTypeSizeInBits. */
+unsigned long long LLVMSizeOfTypeInBits(LLVMTargetDataRef, LLVMTypeRef);
+
+/** Computes the storage size of a type in bytes for a target.
+    See the method llvm::TargetData::getTypeStoreSize. */
+unsigned long long LLVMStoreSizeOfType(LLVMTargetDataRef, LLVMTypeRef);
+
+/** Computes the ABI size of a type in bytes for a target.
+    See the method llvm::TargetData::getTypeAllocSize. */
+unsigned long long LLVMABISizeOfType(LLVMTargetDataRef, LLVMTypeRef);
+
+/** Computes the ABI alignment of a type in bytes for a target.
+    See the method llvm::TargetData::getTypeABISize. */
+unsigned LLVMABIAlignmentOfType(LLVMTargetDataRef, LLVMTypeRef);
+
+/** Computes the call frame alignment of a type in bytes for a target.
+    See the method llvm::TargetData::getTypeABISize. */
+unsigned LLVMCallFrameAlignmentOfType(LLVMTargetDataRef, LLVMTypeRef);
+
+/** Computes the preferred alignment of a type in bytes for a target.
+    See the method llvm::TargetData::getTypeABISize. */
+unsigned LLVMPreferredAlignmentOfType(LLVMTargetDataRef, LLVMTypeRef);
+
+/** Computes the preferred alignment of a global variable in bytes for a target.
+    See the method llvm::TargetData::getPreferredAlignment. */
+unsigned LLVMPreferredAlignmentOfGlobal(LLVMTargetDataRef,
+                                        LLVMValueRef GlobalVar);
+
+/** Computes the structure element that contains the byte offset for a target.
+    See the method llvm::StructLayout::getElementContainingOffset. */
+unsigned LLVMElementAtOffset(LLVMTargetDataRef, LLVMTypeRef StructTy,
+                             unsigned long long Offset);
+
+/** Computes the byte offset of the indexed struct element for a target.
+    See the method llvm::StructLayout::getElementContainingOffset. */
+unsigned long long LLVMOffsetOfElement(LLVMTargetDataRef, LLVMTypeRef StructTy,
+                                       unsigned Element);
+
+/** Struct layouts are speculatively cached. If a TargetDataRef is alive when
+    types are being refined and removed, this method must be called whenever a
+    struct type is removed to avoid a dangling pointer in this cache.
+    See the method llvm::TargetData::InvalidateStructLayoutInfo. */
+void LLVMInvalidateStructLayout(LLVMTargetDataRef, LLVMTypeRef StructTy);
+
+/** Deallocates a TargetData.
+    See the destructor llvm::TargetData::~TargetData. */
+void LLVMDisposeTargetData(LLVMTargetDataRef);
+
+
+#ifdef __cplusplus
+}
+
+namespace llvm {
+  class TargetData;
+
+  inline TargetData *unwrap(LLVMTargetDataRef P) {
+    return reinterpret_cast<TargetData*>(P);
+  }
+  
+  inline LLVMTargetDataRef wrap(const TargetData *P) {
+    return reinterpret_cast<LLVMTargetDataRef>(const_cast<TargetData*>(P));
+  }
+}
+
+#endif /* defined(__cplusplus) */
+
+#endif