Also report back the number of bytes each register can watch.

2012-11-12 20:22:15 -05:00
parent 5f78788af9
commit 6be4555f92
3 changed files with 4 additions and 1 deletions
@@ -114,6 +114,7 @@ public:

 	virtual	status_t			GetWatchpointDebugCapabilities(
 									int32& _maxRegisterCount,
+									int32& _maxBytesPerRegister,
 									uint8& _watchpointCapabilityFlags) = 0;


@@ -613,12 +613,13 @@ ArchitectureX86::GetInstructionInfo(target_addr_t address,

 status_t
 ArchitectureX86::GetWatchpointDebugCapabilities(int32& _maxRegisterCount,
-	uint8& _watchpointCapabilityFlags)
+	int32& _maxBytesPerRegister, uint8& _watchpointCapabilityFlags)
 {
 	// while x86 technically has 4 hardware debug registers, one is reserved by
 	// the kernel, and one is required for breakpoint support, which leaves
 	// two available for watchpoints.
 	_maxRegisterCount = 2;
+	_maxBytesPerRegister = 4;

 	// x86 only supports write and read/write watchpoints.
 	_watchpointCapabilityFlags = WATCHPOINT_CAPABILITY_FLAG_WRITE
@@ -63,6 +63,7 @@ public:

 	virtual	status_t			GetWatchpointDebugCapabilities(
 									int32& _maxRegisterCount,
+									int32& _maxBytesPerRegister,
 									uint8& _watchpointCapabilityFlags);

 private: