ReactOS 0.4.15-dev-8116-gf69e256
fromraw.c
Go to the documentation of this file.
1/*
2 * COPYRIGHT: See COPYING in the top level directory
3 * PROJECT: ReactOS kernel
4 * FILE: lib/rossym/frommem.c
5 * PURPOSE: Creating rossym info from an in-memory image
6 *
7 * PROGRAMMERS: Ge van Geldorp (gvg@reactos.com)
8 */
9
10#include <ntddk.h>
11#include <reactos/rossym.h>
12#include "rossympriv.h"
13
14#define NDEBUG
15#include <debug.h>
16
19{
20 PROSSYM_HEADER RosSymHeader;
21
22 RosSymHeader = (PROSSYM_HEADER) RawData;
23 if (RosSymHeader->SymbolsOffset < sizeof(ROSSYM_HEADER)
24 || RosSymHeader->StringsOffset < RosSymHeader->SymbolsOffset + RosSymHeader->SymbolsLength
25 || DataSize < RosSymHeader->StringsOffset + RosSymHeader->StringsLength
26 || 0 != (RosSymHeader->SymbolsLength % sizeof(ROSSYM_ENTRY)))
27 {
28 DPRINT1("Invalid ROSSYM_HEADER\n");
29 return FALSE;
30 }
31
32 /* Copy */
33 *RosSymInfo = RosSymAllocMem(sizeof(ROSSYM_INFO) + RosSymHeader->SymbolsLength
34 + RosSymHeader->StringsLength + 1);
35 if (NULL == *RosSymInfo)
36 {
37 DPRINT1("Failed to allocate memory for rossym\n");
38 return FALSE;
39 }
40 (*RosSymInfo)->Symbols = (PROSSYM_ENTRY)((char *) *RosSymInfo + sizeof(ROSSYM_INFO));
41 (*RosSymInfo)->SymbolsCount = RosSymHeader->SymbolsLength / sizeof(ROSSYM_ENTRY);
42 (*RosSymInfo)->Strings = (PCHAR) *RosSymInfo + sizeof(ROSSYM_INFO) + RosSymHeader->SymbolsLength;
43 (*RosSymInfo)->StringsLength = RosSymHeader->StringsLength;
44 memcpy((*RosSymInfo)->Symbols, (char *) RosSymHeader + RosSymHeader->SymbolsOffset,
45 RosSymHeader->SymbolsLength);
46 memcpy((*RosSymInfo)->Strings, (char *) RosSymHeader + RosSymHeader->StringsOffset,
47 RosSymHeader->StringsLength);
48 /* Make sure the last string is null terminated, we allocated an extra byte for that */
49 (*RosSymInfo)->Strings[(*RosSymInfo)->StringsLength] = '\0';
50
51 return TRUE;
52}
53
54/* EOF */
unsigned char BOOLEAN
#define DPRINT1
Definition: precomp.h:8
#define NULL
Definition: types.h:112
#define TRUE
Definition: types.h:120
#define FALSE
Definition: types.h:117
#define PCHAR
Definition: match.c:90
#define memcpy(s1, s2, n)
Definition: mkisofs.h:878
_In_ NDIS_STATUS _In_ ULONG _In_ USHORT _In_opt_ PVOID _In_ ULONG DataSize
Definition: ndis.h:4755
BOOLEAN RosSymCreateFromRaw(PVOID RawData, ULONG_PTR DataSize, PROSSYM_INFO *RosSymInfo)
Definition: fromraw.c:18
#define RosSymAllocMem(Size)
Definition: rossympriv.h:14
struct _ROSSYM_ENTRY * PROSSYM_ENTRY
struct _ROSSYM_ENTRY ROSSYM_ENTRY
struct _ROSSYM_HEADER * PROSSYM_HEADER
struct _ROSSYM_INFO ROSSYM_INFO
unsigned long SymbolsOffset
Definition: rossym.h:20
unsigned long SymbolsLength
Definition: rossym.h:21
unsigned long StringsLength
Definition: rossym.h:23
unsigned long StringsOffset
Definition: rossym.h:22
uint32_t ULONG_PTR
Definition: typedefs.h:65