* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * Authors: Nathan Binkert
*/
#ifndef __ARCH_X86_STACKTRACE_HH__
#define __ARCH_X86_STACKTRACE_HH__
-#include "base/trace.hh"
-#include "cpu/static_inst.hh"
+#include "cpu/profile.hh"
-class ThreadContext;
namespace X86ISA
{
- class StackTrace;
-
- class ProcessInfo
- {
- private:
- ThreadContext *tc;
-
- int thread_info_size;
- int task_struct_size;
- int task_off;
- int pid_off;
- int name_off;
-
- public:
- ProcessInfo(ThreadContext *_tc);
-
- Addr task(Addr ksp) const;
- int pid(Addr ksp) const;
- std::string name(Addr ksp) const;
- };
-
- class StackTrace
- {
- private:
- ThreadContext *tc;
- std::vector<Addr> stack;
-
- private:
- bool isEntry(Addr addr);
- bool decodePrologue(Addr sp, Addr callpc, Addr func, int &size, Addr &ra);
- bool decodeSave(MachInst inst, int ®, int &disp);
- bool decodeStack(MachInst inst, int &disp);
-
- void trace(ThreadContext *tc, bool is_call);
-
- public:
- StackTrace();
- StackTrace(ThreadContext *tc, StaticInstPtr inst);
- ~StackTrace();
- void clear()
- {
- tc = 0;
- stack.clear();
- }
-
- bool valid() const { return tc != NULL; }
- bool trace(ThreadContext *tc, StaticInstPtr inst);
-
- public:
- const std::vector<Addr> &getstack() const { return stack; }
-
- static const int user = 1;
- static const int console = 2;
- static const int unknown = 3;
-
-#if TRACING_ON
- private:
- void dump();
-
- public:
- void dprintf() { if (DTRACE(Stack)) dump(); }
-#else
- public:
- void dprintf() {}
-#endif
- };
-
- inline bool
- StackTrace::trace(ThreadContext *tc, StaticInstPtr inst)
- {
- if (!inst->isCall() && !inst->isReturn())
- return false;
-
- if (valid())
- clear();
+class StackTrace : public BaseStackTrace
+{
+ protected:
+ void trace(ThreadContext *tc, bool is_call) override {};
+};
- trace(tc, !inst->isReturn());
- return true;
- }
-}
+} // namespace X86ISA
#endif // __ARCH_X86_STACKTRACE_HH__