* TeamMemoryBlock: Now stores whether or not the block it represents is writable.

* RetrieveMemoryBlockJob: Make use of get_memory_properties() to retrieve the
  block's protection bits and mark it appropriately.



git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42132 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/apps/debugger/Jamfile

@@ -3,7 +3,7 @@ SubDir HAIKU_TOP src apps debugger ;
 CCFLAGS +=  -Werror ;
 C++FLAGS += -Werror ;
 
-UsePrivateHeaders debug interface kernel shared ;
+UsePrivateHeaders debug interface kernel shared libroot ;
 UsePrivateSystemHeaders ;
 
 SEARCH_SOURCE += [ FDirName $(SUBDIR) arch ] ;

src/apps/debugger/Jobs.cpp

@@ -6,6 +6,7 @@
 #include "Jobs.h"
 
 #include <AutoLocker.h>
+#include <memory_private.h>
 
 #include "Architecture.h"
 #include "BitBuffer.h"
@@ -637,10 +638,11 @@ ResolveValueNodeValueJob::_ResolveParentNodeValue(ValueNode* parentNode)
 }
 
 
-RetrieveMemoryBlockJob::RetrieveMemoryBlockJob(TeamMemory* teamMemory,
-	TeamMemoryBlock* memoryBlock)
+RetrieveMemoryBlockJob::RetrieveMemoryBlockJob(Team* team,
+	TeamMemory* teamMemory, TeamMemoryBlock* memoryBlock)
 	:
 	fKey(memoryBlock, JOB_TYPE_GET_MEMORY_BLOCK),
+	fTeam(team),
 	fTeamMemory(teamMemory),
 	fMemoryBlock(memoryBlock)
 {
@@ -664,12 +666,19 @@ RetrieveMemoryBlockJob::Key() const
 status_t
 RetrieveMemoryBlockJob::Do()
 {
-
 	ssize_t result = fTeamMemory->ReadMemory(fMemoryBlock->BaseAddress(),
 		fMemoryBlock->Data(), fMemoryBlock->Size());
 	if (result < 0)
 		return result;
 
+	uint32 protection = 0;
+	uint32 locking = 0;
+	status_t error = get_memory_properties(fTeam->ID(),
+		(const void *)fMemoryBlock->BaseAddress(), &protection, &locking);
+	if (error != B_OK)
+		return error;
+
+	fMemoryBlock->SetWritable((protection & B_WRITE_AREA) != 0);
 	fMemoryBlock->MarkValid();
 	return B_OK;
 }

src/apps/debugger/Jobs.h

@@ -184,7 +184,7 @@ private:
 
 class RetrieveMemoryBlockJob : public Job {
 public:
-								RetrieveMemoryBlockJob(
+								RetrieveMemoryBlockJob(Team* team,
 									TeamMemory* teamMemory,
 									TeamMemoryBlock* memoryBlock);
 	virtual						~RetrieveMemoryBlockJob();
@@ -194,6 +194,7 @@ public:
 
 private:
 			SimpleJobKey		fKey;
+			Team*				fTeam;
 			TeamMemory*			fTeamMemory;
 			TeamMemoryBlock*	fMemoryBlock;
 };

src/apps/debugger/TeamDebugger.cpp

@@ -1338,7 +1338,8 @@ TeamDebugger::_HandleInspectAddress(target_addr_t address,
 		// schedule the job
 		status_t result;
 		if ((result = fWorker->ScheduleJob(
-			new(std::nothrow) RetrieveMemoryBlockJob(memory, memoryBlock),
+			new(std::nothrow) RetrieveMemoryBlockJob(fTeam, memory,
+				memoryBlock),
 			this)) != B_OK) {
 			memoryBlock->ReleaseReference();
 			_NotifyUser("Inspect Address", "Failed to retrieve memory data: %s",

src/apps/debugger/model/TeamMemoryBlock.cpp

@@ -19,6 +19,7 @@ TeamMemoryBlock::TeamMemoryBlock(target_addr_t baseAddress,
 	TeamMemoryBlockOwner* owner)
 	:
 	fValid(false),
+	fWritable(false),
 	fBaseAddress(baseAddress),
 	fBlockOwner(owner)
 {
@@ -76,6 +77,13 @@ TeamMemoryBlock::Invalidate()
 }
 
 
+void
+TeamMemoryBlock::SetWritable(bool writable)
+{
+	fWritable = writable;
+}
+
+
 void
 TeamMemoryBlock::NotifyDataRetrieved()
 {

src/apps/debugger/model/TeamMemoryBlock.h

@@ -40,6 +40,9 @@ public:
 			uint8*			Data() 					{ return fData; };
 			size_t			Size() const			{ return sizeof(fData); };
 
+			bool			IsWritable() const		{ return fWritable; }
+			void			SetWritable(bool writable);
+
 			void			NotifyDataRetrieved();
 
 protected:
@@ -50,6 +53,7 @@ private:
 
 private:
 			bool			fValid;
+			bool			fWritable;
 			target_addr_t	fBaseAddress;
 			uint8			fData[B_PAGE_SIZE];
 			ListenerList	fListeners;