Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2025-04-28 01:11:35 +00:00
Code Issues Projects Releases Packages Wiki Activity

- fix section pointer calculation

Browse source 
- print parameter byte count from W32pArgumentTable
- use value of W32pServiceLimit for the loop

svn path=/trunk/; revision=31450
This commit is contained in:
Timo Kreuzer 2007-12-26 17:57:53 +00:00
parent 8003f935df
commit f9840d8e29
1 changed files with 40 additions and 25 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

65
rosapps/devutils/syscalldump/syscalldump.c
View file

@ -27,7 +27,7 @@ GetOffsetFromAdress64(PBYTE pModule, DWORD64 dwAdress, PBOOL pbX64)
PIMAGE_DOS_HEADER pDosHdr;
PIMAGE_NT_HEADERS32 pNtHdr32;
WORD NumberOfSections;
INT i;
INT i, nSection;
DWORD64 dwOffset = 0;
pDosHdr = (PIMAGE_DOS_HEADER)pModule;
@ -46,14 +46,16 @@ GetOffsetFromAdress64(PBYTE pModule, DWORD64 dwAdress, PBOOL pbX64)
NumberOfSections = pNtHdr32->FileHeader.NumberOfSections;
pSectionHdr = (PIMAGE_SECTION_HEADER)(pNtHdr32 + 1);
nSection = 0;
for (i = 0; i < NumberOfSections; i++)
{
if (dwAdress >= pSectionHdr[i].VirtualAddress &&
pSectionHdr[i].PointerToRawData > dwOffset)
pSectionHdr[i].PointerToRawData > pSectionHdr[nSection].PointerToRawData)
{
dwOffset = pSectionHdr[i].PointerToRawData;
nSection = i;
}
}
dwOffset = pSectionHdr[nSection].PointerToRawData + dwAdress - pSectionHdr[nSection].VirtualAddress;
return dwOffset;
}
else
@ -64,16 +66,32 @@ GetOffsetFromAdress64(PBYTE pModule, DWORD64 dwAdress, PBOOL pbX64)
}
}
DWORD64
GetOffsetFromName(HANDLE hProcess, PSYMBOL_INFO pSym, PBYTE pModule, PCSTR Name, PBOOL pbX64)
{
pSym->SizeOfStruct = sizeof(SYMBOL_INFO);
pSym->MaxNameLen = MAX_SYMBOL_NAME-1;
if (!SymFromName(hProcess, Name, pSym))
{
printf("SymGetSymFromName64() failed: %ld\n", GetLastError());
return 0;
}
return GetOffsetFromAdress64(pModule, pSym->Address - pSym->ModBase, pbX64);
}
int main(int argc, char* argv[])
{
HANDLE hProcess;
CHAR szModuleFileName[MAX_PATH+1];
DWORD64 dwModuleBase;
DWORD64 dwFileOffset;
HANDLE hFile = 0, hMap = 0;
PBYTE pModule = NULL;
UINT i;
BOOL bX64;
DWORD64 dwW32pServiceTable, dwW32pServiceLimit, dwW32pArgumentTable;
DWORD dwServiceLimit;
BYTE *pdwArgs;
struct
{
@ -124,18 +142,6 @@ cont:
goto cleanup;
}
Sym.Symbol.SizeOfStruct = sizeof(SYMBOL_INFO);
Sym.Symbol.MaxNameLen = MAX_SYMBOL_NAME-1;
if (!SymFromName(hProcess, "W32pServiceTable", &Sym.Symbol))
{
printf("SymGetSymFromName64() failed: %ld\n", GetLastError());
goto cleanup;
}
printf("Address for W32pServiceTable = %llx\n", Sym.Symbol.Address);
printf("Module base = %llx\n", dwModuleBase);
hMap = CreateFileMappingA(hFile, NULL, PAGE_READONLY, 0, 0, NULL);
if (!hMap)
{
@ -150,31 +156,40 @@ cont:
goto cleanup;
}
dwFileOffset = GetOffsetFromAdress64(pModule, Sym.Symbol.Address - dwModuleBase, &bX64);
if (!dwFileOffset)
dwW32pServiceTable = GetOffsetFromName(hProcess, &Sym.Symbol, pModule, "W32pServiceTable", &bX64);
dwW32pServiceLimit = GetOffsetFromName(hProcess, &Sym.Symbol, pModule, "W32pServiceLimit", &bX64);
dwW32pArgumentTable = GetOffsetFromName(hProcess, &Sym.Symbol, pModule, "W32pArgumentTable", &bX64);
if (!dwW32pServiceTable || !dwW32pServiceLimit || !dwW32pArgumentTable)
{
printf("PE file is invalid!\n");
printf("Couldn't find adress!\n");
goto cleanup;
}
printf("dwW32pServiceTable = %llx\n", dwW32pServiceTable);
printf("dwW32pServiceLimit = %llx\n", dwW32pServiceLimit);
printf("dwW32pArgumentTable = %llx\n", dwW32pArgumentTable);
dwServiceLimit = *((DWORD*)(pModule + dwW32pServiceLimit));
pdwArgs = (BYTE*)(pModule + dwW32pArgumentTable);
if (!bX64)
{
DWORD *pdwEntries32 = (DWORD*)(pModule + dwFileOffset);
DWORD *pdwEntries32 = (DWORD*)(pModule + dwW32pServiceTable);
for (i = 0; pdwEntries32[i] > dwModuleBase; i++)
for (i = 0; i <= dwServiceLimit; i++)
{
SymFromAddr(hProcess, (DWORD64)pdwEntries32[i], 0, &Sym.Symbol);
printf("0x%x:%s\n", i+0x1000, Sym.Symbol.Name);
printf("0x%x:%s@%d\n", i+0x1000, Sym.Symbol.Name, pdwArgs[i]);
}
}
else
{
DWORD64 *pdwEntries64 = (DWORD64*)(pModule + dwFileOffset);
DWORD64 *pdwEntries64 = (DWORD64*)(pModule + dwW32pServiceTable);
for (i = 0; pdwEntries64[i] > dwModuleBase; i++)
for (i = 0; i <= dwServiceLimit; i++)
{
SymFromAddr(hProcess, (DWORD64)pdwEntries64[i], 0, &Sym.Symbol);
printf("0x%x:%s\n", i+0x1000, Sym.Symbol.Name);
printf("0x%x:%s@%d\n", i+0x1000, Sym.Symbol.Name, pdwArgs[i]);
}
}