1 /**
2  * This file has no copyright assigned and is placed in the Public Domain.
3  * This file is part of the mingw-w64 runtime package.
4  * No warranty is given; refer to the file DISCLAIMER.PD within this package.
5  */
6 #ifndef __ROUTING_RTINFO_H__
7 #define __ROUTING_RTINFO_H__
8 
9 #define ALIGN_SIZE 0x00000008
10 #define ALIGN_SHIFT (ALIGN_SIZE - 0x00000001)
11 #define ALIGN_MASK_POINTER (~(UINT_PTR)ALIGN_SHIFT)
12 #define ALIGN_MASK_LENGTH (~ALIGN_SHIFT)
13 #define ALIGN_MASK (~ALIGN_SHIFT)
14 
15 #define ALIGN_POINTER(ptr) { (ptr) = (PVOID)((DWORD_PTR)(ptr) + ALIGN_SHIFT); (ptr) = (PVOID)((DWORD_PTR)(ptr) & ALIGN_MASK_POINTER); }
16 #define ALIGN_LENGTH(length) { (length) = (DWORD)((length) + ALIGN_SHIFT); (length) = (DWORD)((length) & ALIGN_MASK_LENGTH); }
17 #define IS_ALIGNED(ptr) (((UINT_PTR)(ptr) & ALIGN_SHIFT)==0x00000000)
18 
19 typedef struct _RTR_TOC_ENTRY {
20   ULONG InfoType;
21   ULONG InfoSize;
22   ULONG Count;
23   ULONG Offset;
24 } RTR_TOC_ENTRY,*PRTR_TOC_ENTRY;
25 
26 #define RTR_INFO_BLOCK_VERSION 1
27 
28 typedef struct _RTR_INFO_BLOCK_HEADER {
29   ULONG Version;
30   ULONG Size;
31   ULONG TocEntriesCount;
32   RTR_TOC_ENTRY TocEntry[1];
33 } RTR_INFO_BLOCK_HEADER,*PRTR_INFO_BLOCK_HEADER;
34 
35 #define GetInfoFromTocEntry(hdr,toc) (((toc)->Offset < (hdr)->Size) ? ((PVOID)(((PBYTE)(hdr)) + (toc)->Offset)) : NULL)
36 #endif
37