src/kits/debugger/jobs/RetrieveMemoryBlockJob.cpp

   1 /*
   2  * Copyright 2012, Rene Gollent, rene@gollent.com.
   3  * Copyright 2009, Ingo Weinhold, ingo_weinhold@gmx.de.
   4  * Distributed under the terms of the MIT License.
   5  */
   6
   7 #include "Jobs.h"
   8
   9 #include <AutoLocker.h>
  10
  11 #include "Team.h"
  12 #include "TeamMemory.h"
  13 #include "TeamMemoryBlock.h"
  14
  15
  16 RetrieveMemoryBlockJob::RetrieveMemoryBlockJob(Team* team,
  17         TeamMemory* teamMemory, TeamMemoryBlock* memoryBlock)
  18         :
  19         fKey(memoryBlock, JOB_TYPE_GET_MEMORY_BLOCK),
  20         fTeam(team),
  21         fTeamMemory(teamMemory),
  22         fMemoryBlock(memoryBlock)
  23 {
  24         fTeamMemory->AcquireReference();
  25         fMemoryBlock->AcquireReference();
  26 }
  27
  28
  29 RetrieveMemoryBlockJob::~RetrieveMemoryBlockJob()
  30 {
  31         fTeamMemory->ReleaseReference();
  32         fMemoryBlock->ReleaseReference();
  33 }
  34
  35
  36 const JobKey&
  37 RetrieveMemoryBlockJob::Key() const
  38 {
  39         return fKey;
  40 }
  41
  42
  43 status_t
  44 RetrieveMemoryBlockJob::Do()
  45 {
  46         ssize_t result = fTeamMemory->ReadMemory(fMemoryBlock->BaseAddress(),
  47                 fMemoryBlock->Data(), fMemoryBlock->Size());
  48         if (result < 0) {
  49                 fMemoryBlock->NotifyDataRetrieved(result);
  50                 return result;
  51         }
  52
  53         uint32 protection = 0;
  54         uint32 locking = 0;
  55         status_t error = fTeamMemory->GetMemoryProperties(
  56                 fMemoryBlock->BaseAddress(), protection, locking);
  57         if (error != B_OK) {
  58                 fMemoryBlock->NotifyDataRetrieved(error);
  59                 return error;
  60         }
  61
  62         fMemoryBlock->SetWritable((protection & B_WRITE_AREA) != 0);
  63         fMemoryBlock->MarkValid();
  64         return B_OK;
  65 }