ReactOS 0.4.15-dev-7131-ge4d03f4
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#define NTOSAPI
11#include <ntdef.h>
12#include <reactos/rossym.h>
13#include "rossympriv.h"
14
15#define NDEBUG
16#include <debug.h>
17
20{
21 PROSSYM_HEADER RosSymHeader;
22
23 RosSymHeader = (PROSSYM_HEADER) RawData;
24 if (RosSymHeader->SymbolsOffset < sizeof(ROSSYM_HEADER)
25 || RosSymHeader->StringsOffset < RosSymHeader->SymbolsOffset + RosSymHeader->SymbolsLength
26 || DataSize < RosSymHeader->StringsOffset + RosSymHeader->StringsLength
27 || 0 != (RosSymHeader->SymbolsLength % sizeof(ROSSYM_ENTRY)))
28 {
29 DPRINT1("Invalid ROSSYM_HEADER\n");
30 return FALSE;
31 }
32
33 /* Copy */
34 *RosSymInfo = RosSymAllocMem(sizeof(ROSSYM_INFO) + RosSymHeader->SymbolsLength
35 + RosSymHeader->StringsLength + 1);
36 if (NULL == *RosSymInfo)
37 {
38 DPRINT1("Failed to allocate memory for rossym\n");
39 return FALSE;
40 }
41 (*RosSymInfo)->Symbols = (PROSSYM_ENTRY)((char *) *RosSymInfo + sizeof(ROSSYM_INFO));
42 (*RosSymInfo)->SymbolsCount = RosSymHeader->SymbolsLength / sizeof(ROSSYM_ENTRY);
43 (*RosSymInfo)->Strings = (PCHAR) *RosSymInfo + sizeof(ROSSYM_INFO) + RosSymHeader->SymbolsLength;
44 (*RosSymInfo)->StringsLength = RosSymHeader->StringsLength;
45 memcpy((*RosSymInfo)->Symbols, (char *) RosSymHeader + RosSymHeader->SymbolsOffset,
46 RosSymHeader->SymbolsLength);
47 memcpy((*RosSymInfo)->Strings, (char *) RosSymHeader + RosSymHeader->StringsOffset,
48 RosSymHeader->StringsLength);
49 /* Make sure the last string is null terminated, we allocated an extra byte for that */
50 (*RosSymInfo)->Strings[(*RosSymInfo)->StringsLength] = '\0';
51
52 return TRUE;
53}
54
55/* 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:19
#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