singrdk/base/Windows/singx86/sips.cpp

91 lines
2.7 KiB
C++

/////////////////////////////////////////////////////////////////////////////
//
// sips.cpp - Extension to find Singularity SIPs.
//
// Copyright Microsoft Corporation. All rights reserved.
//
#include "singx86.h"
EXT_DECL(sips) // Defines: PDEBUG_CLIENT Client, PCSTR args
{
EXT_ENTER(); // Defines: HRESULT status = S_OK;
bool stack = false;
bool detail = false;
while (*args != '\0') {
if (*args == '-' || *args == '/') {
args++;
switch (*args++) {
case 'd': // detail
case 'D':
detail = !detail;
break;
case 's': // stack
case 'S':
stack = !stack;
break;
}
while (*args != ' ') {
args++;
}
}
else {
break;
}
}
ULONG pointerSize = (g_ExtControl->IsPointer64Bit() == S_OK) ? 8 : 4;
ULONG64 address = 0;
ULONG64 procs = 0;
ULONG type = 0;
ULONG subtype = 0;
ULONG64 module = 0;
EXT_CHECK(g_ExtSymbols->GetOffsetByName(kernel_processTable, &address));
EXT_CHECK(g_ExtSymbols->GetOffsetTypeId(address, &type, &module));
EXT_CHECK(TraceReadPointer(1, address, &procs));
ExtVerb("processTable: %p\n", procs);
CHAR name[512];
EXT_CHECK(g_ExtSymbols->GetTypeName(module, type, name, arrayof(name), NULL));
ExtVerb(" processTable type: %s\n", name);
int len = (int)strlen(name);
if (len > 3 &&
name[len-3] == '[' &&
name[len-2] == ']' &&
name[len-1] == '*') {
name[len-3] = '\0';
EXT_CHECK(g_ExtSymbols->GetTypeId(module, name, &subtype));
EXT_CHECK(g_ExtSymbols->GetTypeName(module, subtype, name, arrayof(name), NULL));
ExtVerb(" processTable[] type: %s\n", name);
}
ULONG lengthOffset = 0;
EXT_CHECK(g_ExtSymbols->GetFieldOffset(module, type, "overall_length", &lengthOffset));
ULONG valuesOffset = 0;
EXT_CHECK(g_ExtSymbols->GetFieldOffset(module, type, "values", &valuesOffset));
ULONG length = 0;
EXT_CHECK(TraceRead(procs + lengthOffset, &length, sizeof(length)));
ExtOut("processTable: %p [maximum %d entries]\n", procs, length);
for (ULONG id = 0; id < length; id++) {
ULONG64 process = 0;
EXT_CHECK(TraceReadPointer(1, procs + valuesOffset + id * pointerSize, &process));
if (process != 0) {
if (detail) {
ExtOut(" %p\n", process);
}
else {
ExtOut(" %p\n", process);
}
}
}
EXT_LEAVE(); // Macro includes: return status;
}