mirror of
https://github.com/HyperDbg/HyperDbg.git
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95389e46df
Created a lot of new platform wrappers for windows only functions also removed hyperevade from the linux module build and added a empty stub for the transparent functions they provide which can be filled in later.
95 lines
1.8 KiB
C
95 lines
1.8 KiB
C
/**
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* @file Allocations.c
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* @author Behrooz Abbassi (BehroozAbbassi@hyperdbg.org)
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* @author Sina Karvandi (sina@hyperdbg.org)
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* @brief Management of global variables memory relating to debugger
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* @details
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* @version 0.2
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* @date 2023-01-17
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*
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* @copyright This project is released under the GNU Public License v3.
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*
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*/
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#include "pch.h"
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/**
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* @brief Allocate debugging state memory
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*
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* @return BOOLEAN
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*/
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BOOLEAN
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GlobalDebuggingStateAllocateZeroedMemory(VOID)
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{
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SSIZE_T BufferSizeInByte = sizeof(PROCESSOR_DEBUGGING_STATE) * PlatformCpuGetActiveProcessorCount();
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//
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// Allocate global variable to hold Debugging(s) state
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//
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g_DbgState = PlatformMemAllocateZeroedNonPagedPool(BufferSizeInByte);
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if (!g_DbgState)
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{
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//
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// we use DbgPrint as the vmx-root or non-root is not initialized
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//
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LogInfo("err, insufficient memory for allocating debugging state\n");
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return FALSE;
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}
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return TRUE;
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}
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/**
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* @brief Free debugging state memory
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*
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* @return VOID
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*/
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VOID
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GlobalDebuggingStateFreeMemory(VOID)
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{
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PlatformMemFreePool(g_DbgState);
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g_DbgState = NULL;
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}
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/**
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* @brief Allocate event store memory
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*
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* @return BOOLEAN
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*/
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BOOLEAN
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GlobalEventsAllocateZeroedMemory(VOID)
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{
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//
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// Allocate buffer for saving events
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//
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if (!g_Events)
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{
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g_Events = PlatformMemAllocateNonPagedPool(sizeof(DEBUGGER_CORE_EVENTS));
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}
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if (g_Events)
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{
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//
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// Zero the buffer
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//
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RtlZeroBytes(g_Events, sizeof(DEBUGGER_CORE_EVENTS));
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}
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return g_Events != NULL;
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}
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/**
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* @brief Free event store memory
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*
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* @return VOID
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*/
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VOID
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GlobalEventsFreeMemory(VOID)
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{
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if (g_Events != NULL)
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{
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PlatformMemFreePool(g_Events);
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g_Events = NULL;
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}
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}
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