Improve a safety check when writing data into StatBuffer

[mono.git] / mono / metadata / abi-details.h

diff --git a/mono/metadata/abi-details.h b/mono/metadata/abi-details.h
index 01c741b35d7f3c8faba8931db0ed4d2995a90c86..cb0fb34bf953e559f4d66acea259b39b407cfc1a 100644 (file)
--- a/mono/metadata/abi-details.h
+++ b/mono/metadata/abi-details.h
@@ -8,8 +8,10 @@
 #include <glib.h>
 
 #define MONO_ABI_ALIGNOF(type) MONO_ALIGN_ ## type
-#define MONO_CURRENT_ABI_ALIGNOF(type) ((int)G_STRUCT_OFFSET(struct { char c; type x; }, x))
-
+#define MONO_CURRENT_ABI_ALIGNOF_TYPEDEF(type) typedef struct { char c; type x; } Mono_Align_Struct_ ##type;
+#define MONO_CURRENT_ABI_ALIGNOF(type) ((int)G_STRUCT_OFFSET(Mono_Align_Struct_ ##type, x))
+#define MONO_ABI_SIZEOF(type) MONO_SIZEOF_ ## type
+#define MONO_CURRENT_ABI_SIZEOF(type) ((int)sizeof(type))
 
 #undef DECL_OFFSET
 #undef DECL_OFFSET2
@@ -17,6 +19,17 @@
 #define DECL_OFFSET2(struct,field,offset) MONO_OFFSET_ ## struct ## _ ## field = offset,
 #define DECL_ALIGN(type) MONO_ALIGN_ ##type = MONO_CURRENT_ABI_ALIGNOF (type),
 #define DECL_ALIGN2(type,size) MONO_ALIGN_ ##type = size,
+#define DECL_SIZE(type) MONO_SIZEOF_ ##type = MONO_CURRENT_ABI_SIZEOF (type),
+#define DECL_SIZE2(type,size) MONO_SIZEOF_ ##type = size,
+
+/* Needed by MONO_CURRENT_ABI_ALIGNOF */
+MONO_CURRENT_ABI_ALIGNOF_TYPEDEF(gint8)
+MONO_CURRENT_ABI_ALIGNOF_TYPEDEF(gint16)
+MONO_CURRENT_ABI_ALIGNOF_TYPEDEF(gint32)
+MONO_CURRENT_ABI_ALIGNOF_TYPEDEF(gint64)
+MONO_CURRENT_ABI_ALIGNOF_TYPEDEF(float)
+MONO_CURRENT_ABI_ALIGNOF_TYPEDEF(double)
+MONO_CURRENT_ABI_ALIGNOF_TYPEDEF(gpointer)
 
 enum {
 #include "object-offsets.h"
@@ -25,7 +38,11 @@ enum {
 #ifdef USED_CROSS_COMPILER_OFFSETS
 #define MONO_STRUCT_OFFSET(struct,field) MONO_OFFSET_ ## struct ## _ ## field
 #else
+#if defined(HAS_CROSS_COMPILER_OFFSETS) || defined(MONO_CROSS_COMPILE)
 #define MONO_STRUCT_OFFSET(struct,field) (MONO_OFFSET_ ## struct ## _ ## field == -1, G_STRUCT_OFFSET (struct,field))
+#else
+#define MONO_STRUCT_OFFSET(struct,field) G_STRUCT_OFFSET (struct,field)
+#endif
 #endif
 
 #endif