84 lines
2.4 KiB
C++
84 lines
2.4 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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//
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// log.cpp - Extension to find parse Singularity trace log.
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//
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// Copyright Microsoft Corporation. All rights reserved.
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//
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#include "singx86.h"
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HRESULT FindBound(const char *symbol, ULONG64 *ptrval)
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{
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HRESULT status = S_OK;
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ULONG64 address;
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EXT_CHECK(g_ExtSymbols->GetOffsetByName(symbol, &address));
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EXT_CHECK(g_ExtData->ReadPointersVirtual(1, address, ptrval));
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Exit:
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ExtVerb("Find(%s) = %p\n", symbol, *ptrval);
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return status;
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}
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HRESULT SetBound(const char *symbol, ULONG64 ptrval)
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{
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HRESULT status = S_OK;
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ULONG64 address;
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EXT_CHECK(g_ExtSymbols->GetOffsetByName(symbol, &address));
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EXT_CHECK(g_ExtData->WritePointersVirtual(1, address, &ptrval));
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Exit:
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return status;
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}
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ULONG64 GetValue(PCSTR& args, bool fHex)
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{
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ULONG base = fHex ? 16 : 10;
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if (*args == '0') {
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fHex = true;
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base = 16;
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}
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ULONG64 value = 0;
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while (*args && *args != ' ' && *args != '\t') {
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if (*args >= '0' && *args <= '9') {
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value = value * base + (*args++ - '0');
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}
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else if (*args >= 'A' && *args <= 'F' && fHex) {
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value = value * base + (*args++ - 'A') + 10;
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}
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else if (*args >= 'a' && *args <= 'f' && fHex) {
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value = value * base + (*args++ - 'a') + 10;
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}
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else {
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break;
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}
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}
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return value;
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}
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EXT_DECL(log) // Defines: PDEBUG_CLIENT Client, PCSTR args
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{
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EXT_ENTER(); // Defines: HRESULT status = S_OK;
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//
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// Try the new diag too. The code above will become obsolete when the old tracing is completly
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// removed
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//
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const char * defaultCommand = "!diagnose -s LegacyTracing -t System.LEGACY_LOG_ENTRY -l IP "
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"-y Msg -r Size|LinkOffset|Flags|Type|arg0|arg1|arg2|arg3|arg4|arg5|StrArg0|StrArg1 %s";
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CHAR command[512];
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_snprintf(command, sizeof(command), defaultCommand, args);
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status = g_ExtControl->Execute(DEBUG_OUTCTL_ALL_CLIENTS |
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DEBUG_OUTCTL_OVERRIDE_MASK |
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DEBUG_OUTCTL_NOT_LOGGED,
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command,
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DEBUG_EXECUTE_DEFAULT );
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EXT_LEAVE(); // Macro includes: return status;
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}
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