Improve a safety check when writing data into StatBuffer
[mono.git] / mono / metadata / abi-details.h
1 /*
2  * Copyright 2014 Xamarin Inc
3  */
4 #ifndef __MONO_METADATA_ABI_DETAILS_H__
5 #define __MONO_METADATA_ABI_DETAILS_H__
6
7 #include <config.h>
8 #include <glib.h>
9
10 #define MONO_ABI_ALIGNOF(type) MONO_ALIGN_ ## type
11 #define MONO_CURRENT_ABI_ALIGNOF_TYPEDEF(type) typedef struct { char c; type x; } Mono_Align_Struct_ ##type;
12 #define MONO_CURRENT_ABI_ALIGNOF(type) ((int)G_STRUCT_OFFSET(Mono_Align_Struct_ ##type, x))
13 #define MONO_ABI_SIZEOF(type) MONO_SIZEOF_ ## type
14 #define MONO_CURRENT_ABI_SIZEOF(type) ((int)sizeof(type))
15
16 #undef DECL_OFFSET
17 #undef DECL_OFFSET2
18 #define DECL_OFFSET(struct,field) MONO_OFFSET_ ## struct ## _ ## field = -1,
19 #define DECL_OFFSET2(struct,field,offset) MONO_OFFSET_ ## struct ## _ ## field = offset,
20 #define DECL_ALIGN(type) MONO_ALIGN_ ##type = MONO_CURRENT_ABI_ALIGNOF (type),
21 #define DECL_ALIGN2(type,size) MONO_ALIGN_ ##type = size,
22 #define DECL_SIZE(type) MONO_SIZEOF_ ##type = MONO_CURRENT_ABI_SIZEOF (type),
23 #define DECL_SIZE2(type,size) MONO_SIZEOF_ ##type = size,
24
25 /* Needed by MONO_CURRENT_ABI_ALIGNOF */
26 MONO_CURRENT_ABI_ALIGNOF_TYPEDEF(gint8)
27 MONO_CURRENT_ABI_ALIGNOF_TYPEDEF(gint16)
28 MONO_CURRENT_ABI_ALIGNOF_TYPEDEF(gint32)
29 MONO_CURRENT_ABI_ALIGNOF_TYPEDEF(gint64)
30 MONO_CURRENT_ABI_ALIGNOF_TYPEDEF(float)
31 MONO_CURRENT_ABI_ALIGNOF_TYPEDEF(double)
32 MONO_CURRENT_ABI_ALIGNOF_TYPEDEF(gpointer)
33
34 enum {
35 #include "object-offsets.h"
36 };
37
38 #ifdef USED_CROSS_COMPILER_OFFSETS
39 #define MONO_STRUCT_OFFSET(struct,field) MONO_OFFSET_ ## struct ## _ ## field
40 #else
41 #if defined(HAS_CROSS_COMPILER_OFFSETS) || defined(MONO_CROSS_COMPILE)
42 #define MONO_STRUCT_OFFSET(struct,field) (MONO_OFFSET_ ## struct ## _ ## field == -1, G_STRUCT_OFFSET (struct,field))
43 #else
44 #define MONO_STRUCT_OFFSET(struct,field) G_STRUCT_OFFSET (struct,field)
45 #endif
46 #endif
47
48 #endif