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few fixes and simplifications for syscalldump. I hope it will now also work with 64 bits stuff.

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svn path=/trunk/; revision=32970
This commit is contained in:
Timo Kreuzer 2008-04-15 00:15:14 +00:00
parent fa2e13224d
commit 786cf453f1
1 changed files with 30 additions and 26 deletions
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56
rosapps/devutils/syscalldump/syscalldump.c
View file

@ -7,6 +7,7 @@
#include <dbghelp.h>
HANDLE hCurrentProcess;
BOOL bX64;
#define MAX_SYMBOL_NAME 1024
@ -21,8 +22,8 @@ BOOL InitDbgHelp(HANDLE hProcess)
return TRUE;
}
DWORD64
GetOffsetFromName(HANDLE hProcess, PSYMBOL_INFO pSym, PBYTE pModule, PCSTR Name, PBOOL pbX64)
PVOID
ImageSymToVa(HANDLE hProcess, PSYMBOL_INFO pSym, PBYTE pModule, PCSTR Name)
{
PIMAGE_NT_HEADERS NtHeaders;
PVOID p;
@ -38,11 +39,9 @@ GetOffsetFromName(HANDLE hProcess, PSYMBOL_INFO pSym, PBYTE pModule, PCSTR Name,
printf("looking up adress for %s: 0x%llx\n", Name, pSym->Address);
NtHeaders = ImageNtHeader(pModule);
*pbX64 = (NtHeaders->FileHeader.Machine != IMAGE_FILE_MACHINE_I386);
p = ImageRvaToVa(NtHeaders, pModule, pSym->Address - pSym->ModBase, NULL);
return (DWORD64)((ULONG_PTR)p - (ULONG_PTR)pModule);
return p;
}
BOOL CALLBACK EnumSymbolsProc(
@ -56,7 +55,14 @@ BOOL CALLBACK EnumSymbolsProc(
}
else
{
printf("%s@%d ", pSymInfo->Name, (UINT)UserContext);
if (!bX64)
{
printf("%s@%d ", pSymInfo->Name, (UINT)UserContext);
}
else
{
printf("%s <+ %d> ", pSymInfo->Name, (UINT)UserContext);
}
}
return TRUE;
}
@ -69,12 +75,10 @@ int main(int argc, char* argv[])
HANDLE hFile = 0, hMap = 0;
PBYTE pModule = NULL;
UINT i;
BOOL bX64;
DWORD64 dwW32pServiceTable, dwW32pServiceLimit, dwW32pArgumentTable;
DWORD64 dwSimpleCall;
PVOID pW32pServiceTable, pW32pServiceLimit;
PBYTE pW32pArgumentTable;
PVOID *pfnSimpleCall;
DWORD dwServiceLimit;
BYTE *pdwArgs;
struct
{
@ -83,7 +87,7 @@ int main(int argc, char* argv[])
} Sym;
printf("Win32k Syscall dumper\n");
printf("Copyright (c) Timo Kreuzer 2007\n");
printf("Copyright (c) Timo Kreuzer 2007-08\n");
hProcess = GetCurrentProcess();
@ -139,49 +143,49 @@ cont:
goto cleanup;
}
dwW32pServiceTable = GetOffsetFromName(hProcess, &Sym.Symbol, pModule, "W32pServiceTable", &bX64);
dwW32pServiceLimit = GetOffsetFromName(hProcess, &Sym.Symbol, pModule, "W32pServiceLimit", &bX64);
dwW32pArgumentTable = GetOffsetFromName(hProcess, &Sym.Symbol, pModule, "W32pArgumentTable", &bX64);
printf("dwW32pServiceTable = %llx\n", dwW32pServiceTable);
printf("dwW32pServiceLimit = %llx\n", dwW32pServiceLimit);
printf("dwW32pArgumentTable = %llx\n", dwW32pArgumentTable);
bX64 = (ImageNtHeader(pModule)->FileHeader.Machine != IMAGE_FILE_MACHINE_I386);
if (!dwW32pServiceTable || !dwW32pServiceLimit || !dwW32pArgumentTable)
pW32pServiceTable = ImageSymToVa(hProcess, &Sym.Symbol, pModule, "W32pServiceTable");
pW32pServiceLimit = ImageSymToVa(hProcess, &Sym.Symbol, pModule, "W32pServiceLimit");
pW32pArgumentTable = ImageSymToVa(hProcess, &Sym.Symbol, pModule, "W32pArgumentTable");
// printf("pW32pServiceTable = %p\n", pW32pServiceTable);
// printf("pW32pServiceLimit = %p\n", pW32pServiceLimit);
// printf("pW32pArgumentTable = %p\n", pW32pArgumentTable);
if (!pW32pServiceTable || !pW32pServiceLimit || !pW32pArgumentTable)
{
printf("Couldn't find adress!\n");
goto cleanup;
}
dwServiceLimit = *((DWORD*)(pModule + dwW32pServiceLimit));
pdwArgs = (BYTE*)(pModule + dwW32pArgumentTable);
dwServiceLimit = *((DWORD*)pW32pServiceLimit);
if (!bX64)
{
DWORD *pdwEntries32 = (DWORD*)(pModule + dwW32pServiceTable);
DWORD *pdwEntries32 = (DWORD*)pW32pServiceTable;
for (i = 0; i < dwServiceLimit; i++)
{
printf("0x%x:", i+0x1000);
SymEnumSymbolsForAddr(hProcess, (DWORD64)pdwEntries32[i], EnumSymbolsProc, (PVOID)(DWORD)pdwArgs[i]);
SymEnumSymbolsForAddr(hProcess, (DWORD64)pdwEntries32[i], EnumSymbolsProc, (PVOID)(DWORD)pW32pArgumentTable[i]);
printf("\n");
}
}
else
{
DWORD64 *pdwEntries64 = (DWORD64*)(pModule + dwW32pServiceTable);
DWORD64 *pdwEntries64 = (DWORD64*)pW32pServiceTable;
for (i = 0; i < dwServiceLimit; i++)
{
printf("0x%x:", i+0x1000);
SymEnumSymbolsForAddr(hProcess, (DWORD64)pdwEntries64[i], EnumSymbolsProc, (PVOID)(i+0x1000));
SymEnumSymbolsForAddr(hProcess, (DWORD64)pdwEntries64[i], EnumSymbolsProc, (PVOID)(DWORD)pW32pArgumentTable[i]);
printf("\n");
}
}
/* Dump apfnSimpleCall */
printf("\nDumping apfnSimpleCall:\n");
dwSimpleCall = GetOffsetFromName(hProcess, &Sym.Symbol, pModule, "apfnSimpleCall", &bX64);
pfnSimpleCall = (PVOID*)(pModule + dwSimpleCall);
pfnSimpleCall = (PVOID*)ImageSymToVa(hProcess, &Sym.Symbol, pModule, "apfnSimpleCall");
i = 0;
while (pfnSimpleCall[i] != NULL)
{