lp_bld_struct.h revision efc82aef35a2aac5d2ed9774f6d28f2626796416 
1/**************************************************************************
2 *
3 * Copyright 2009 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 * Helper functions for type conversions.
31 *
32 * @author Jose Fonseca <jfonseca@vmware.com>
33 */
34
35
36#ifndef LP_BLD_STRUCT_H
37#define LP_BLD_STRUCT_H
38
39
40#include "gallivm/lp_bld.h"
41#include "gallivm/lp_bld_init.h"
42
43#include "util/u_debug.h"
44#include "util/u_memory.h"
45
46
47#define LP_CHECK_STRUCT_SIZE(_ctype, _ltarget, _ltype) \
48      assert(LLVMABISizeOfType(_ltarget, _ltype) == \
49             sizeof(_ctype))
50
51#define LP_CHECK_MEMBER_OFFSET(_ctype, _cmember, _ltarget, _ltype, _lindex) \
52      assert(LLVMOffsetOfElement(_ltarget, _ltype, _lindex) == \
53             offsetof(_ctype, _cmember))
54
55
56/**
57 * Get value pointer to a structure member.
58 */
59LLVMValueRef
60lp_build_struct_get_ptr(struct gallivm_state *gallivm,
61                        LLVMValueRef ptr,
62                        unsigned member,
63                        const char *name);
64
65/**
66 * Get the value of a structure member.
67 */
68LLVMValueRef
69lp_build_struct_get(struct gallivm_state *gallivm,
70                    LLVMValueRef ptr,
71                    unsigned member,
72                    const char *name);
73
74/**
75 * Get value pointer to an array element.
76 */
77LLVMValueRef
78lp_build_array_get_ptr(struct gallivm_state *gallivm,
79                       LLVMValueRef ptr,
80                       LLVMValueRef index);
81
82/**
83 * Get the value of an array element.
84 */
85LLVMValueRef
86lp_build_array_get(struct gallivm_state *gallivm,
87                   LLVMValueRef ptr,
88                   LLVMValueRef index);
89
90/**
91 * Set the value of an array element.
92 */
93void
94lp_build_array_set(struct gallivm_state *gallivm,
95                   LLVMValueRef ptr,
96                   LLVMValueRef index,
97                   LLVMValueRef value);
98
99/**
100 * Get the value of an array element.
101 */
102LLVMValueRef
103lp_build_pointer_get(LLVMBuilderRef builder,
104                   LLVMValueRef ptr,
105                   LLVMValueRef index);
106
107/**
108 * Set the value of an array element.
109 */
110void
111lp_build_pointer_set(LLVMBuilderRef builder,
112                     LLVMValueRef ptr,
113                     LLVMValueRef index,
114                     LLVMValueRef value);
115
116#endif /* !LP_BLD_STRUCT_H */
117