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Add previous CPU state member and associated accessors.

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Used to store the unwound state of the CPU from this frame,
which will form the actual state of the following frame. Needed
in order to properly support continuation of unwinding from a
partial stack trace.
This commit is contained in:
Rene Gollent 2011-12-15 22:40:32 -05:00
parent 09aaa658b0
commit a9bec97e47
2 changed files with 19 additions and 0 deletions
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14
src/apps/debugger/model/StackFrame.cpp
View File

@ -25,6 +25,7 @@ StackFrame::StackFrame(stack_frame_type type, CpuState* cpuState,
:
fType(type),
fCpuState(cpuState),
fPreviousCpuState(NULL),
fFrameAddress(frameAddress),
fInstructionPointer(instructionPointer),
fReturnAddress(0),
@ -49,6 +50,7 @@ StackFrame::~StackFrame()
SetImage(NULL);
SetFunction(NULL);
SetPreviousCpuState(NULL);
fDebugInfo->ReleaseReference();
fCpuState->ReleaseReference();
@ -80,6 +82,18 @@ StackFrame::Init()
}
void
StackFrame::SetPreviousCpuState(CpuState* state)
{
if (fPreviousCpuState != NULL)
fPreviousCpuState->ReleaseReference();
fPreviousCpuState = state;
if (fPreviousCpuState != NULL)
fPreviousCpuState->AcquireReference();
}
void
StackFrame::SetReturnAddress(target_addr_t address)
{

5
src/apps/debugger/model/StackFrame.h
View File

@ -55,6 +55,10 @@ public:
target_addr_t InstructionPointer() const
{ return fInstructionPointer; }
CpuState* GetPreviousCpuState() const
{ return fPreviousCpuState; }
void SetPreviousCpuState(CpuState* state);
target_addr_t ReturnAddress() const { return fReturnAddress; }
void SetReturnAddress(target_addr_t address);
@ -89,6 +93,7 @@ private:
private:
stack_frame_type fType;
CpuState* fCpuState;
CpuState* fPreviousCpuState;
target_addr_t fFrameAddress;
target_addr_t fInstructionPointer;
target_addr_t fReturnAddress;