1/**************************************************************************
2 *
3 * Copyright 2010 VMware, Inc.
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27
28/**
29 * @file
30 * Wrapper for LLVM header file #includes.
31 */
32
33
34#ifndef LP_BLD_H
35#define LP_BLD_H
36
37
38/**
39 * @file
40 * LLVM IR building helpers interfaces.
41 *
42 * We use LLVM-C bindings for now. They are not documented, but follow the C++
43 * interfaces very closely, and appear to be complete enough for code
44 * genration. See
45 * http://npcontemplation.blogspot.com/2008/06/secret-of-llvm-c-bindings.html
46 * for a standalone example.
47 */
48
49#include <llvm-c/Core.h>
50
51
52/** Ensure HAVE_LLVM is set to avoid #ifdef HAVE_LLVM everywhere */
53#ifndef HAVE_LLVM
54#error "HAVE_LLVM should be set with LLVM's version number, e.g. (0x0207 for 2.7)"
55#endif
56#if HAVE_LLVM < 0x303
57#error "LLVM 3.3 or newer required"
58#endif
59
60
61#if HAVE_LLVM <= 0x0303
62/* We won't actually use LLVMMCJITMemoryManagerRef, just create a dummy
63 * typedef to simplify things elsewhere.
64 */
65typedef void *LLVMMCJITMemoryManagerRef;
66#endif
67
68
69/**
70 * Redefine these LLVM entrypoints as invalid macros to make sure we
71 * don't accidentally use them.  We need to use the functions which
72 * take an explicit LLVMContextRef parameter.
73 */
74#define LLVMInt1Type ILLEGAL_LLVM_FUNCTION
75#define LLVMInt8Type ILLEGAL_LLVM_FUNCTION
76#define LLVMInt16Type ILLEGAL_LLVM_FUNCTION
77#define LLVMInt32Type ILLEGAL_LLVM_FUNCTION
78#define LLVMInt64Type ILLEGAL_LLVM_FUNCTION
79#define LLVMIntType ILLEGAL_LLVM_FUNCTION
80#define LLVMFloatType ILLEGAL_LLVM_FUNCTION
81#define LLVMDoubleType ILLEGAL_LLVM_FUNCTION
82#define LLVMX86FP80Type ILLEGAL_LLVM_FUNCTION
83#define LLVMFP128Type ILLEGAL_LLVM_FUNCTION
84#define LLVMPPCFP128Type ILLEGAL_LLVM_FUNCTION
85#define LLVMStructType ILLEGAL_LLVM_FUNCTION
86#define LLVMVoidType ILLEGAL_LLVM_FUNCTION
87#define LLVMLabelType ILLEGAL_LLVM_FUNCTION
88#define LLVMOpaqueType ILLEGAL_LLVM_FUNCTION
89#define LLVMUnionType ILLEGAL_LLVM_FUNCTION
90#define LLVMMDString ILLEGAL_LLVM_FUNCTION
91#define LLVMMDNode ILLEGAL_LLVM_FUNCTION
92#define LLVMConstString ILLEGAL_LLVM_FUNCTION
93#define LLVMConstStruct ILLEGAL_LLVM_FUNCTION
94#define LLVMAppendBasicBlock ILLEGAL_LLVM_FUNCTION
95#define LLVMInsertBasicBlock ILLEGAL_LLVM_FUNCTION
96#define LLVMCreateBuilder ILLEGAL_LLVM_FUNCTION
97
98
99/*
100 * Before LLVM 3.4 LLVMSetAlignment only supported GlobalValue, not
101 * LoadInst/StoreInst as we need.
102 */
103#if HAVE_LLVM < 0x0304
104#  ifdef __cplusplus
105      extern "C"
106#  endif
107   void LLVMSetAlignmentBackport(LLVMValueRef V, unsigned Bytes);
108#  define LLVMSetAlignment LLVMSetAlignmentBackport
109#endif
110
111
112#endif /* LP_BLD_H */
113