SigFPEHandler Class Reference

Inheritance diagram for SigFPEHandler:

Collaboration diagram for SigFPEHandler:

Public Member Functions
	SigFPEHandler (SimulatorFrontend &target)
virtual void	execute (int, siginfo_t *info)
Public Member Functions inherited from Application::UnixSignalHandler
virtual	~UnixSignalHandler ()

Private Attributes
SimulatorFrontend &	target_
	Simulator frontend to use when stopping the simulation.

Detailed Description

A handler class for SIGFPE signal

Stops the simulation (if it's running). Used for catching errors from the simulated program in the compiled simulation engine.

Definition at line 79 of file TTASim.cc.

Constructor & Destructor Documentation

SigFPEHandler()

SigFPEHandler::SigFPEHandler ( SimulatorFrontend &  target )

inline

Constructor.

Parameters

target

The target SimulatorFrontend instance.

Definition at line 86 of file TTASim.cc.

                                             : target_(target) {
    }

Member Function Documentation

execute()

virtual void SigFPEHandler::execute ( int  , siginfo_t *  info  )

inlinevirtual

Terminates the simulation.

Exceptions

SimulationExecutionError

thrown always

Implements Application::UnixSignalHandler.

Definition at line 94 of file TTASim.cc.

                                               {
        std::string msg("Unknown floating point exception");
        
        if (info->si_code == FPE_INTDIV) {
            msg = "integer division by zero";
        } else if (info->si_code == FPE_FLTDIV) {
            msg = "floating-point division by zero";
        } else if (info->si_code == FPE_INTOVF) {
            msg = "integer overflow";
        } else if (info->si_code == FPE_FLTOVF) {
            msg = "floating-point overflow";
        } else if (info->si_code == FPE_FLTUND) {
            msg = "floating-point underflow";
        } else if (info->si_code == FPE_FLTRES) {
            msg = "floating-point inexact result";
        } else if (info->si_code == FPE_FLTINV) {
            msg = "invalid floating-point operation";
        } else if (info->si_code == FPE_FLTSUB) {
            msg = " Subscript out of range";
        }
    
        target_.prepareToStop(SRE_RUNTIME_ERROR);
        target_.reportSimulatedProgramError(
            SimulatorFrontend::RES_FATAL, msg);
       
        throw SimulationExecutionError(__FILE__, __LINE__, __FUNCTION__, msg);
    }

References SimulatorFrontend::prepareToStop(), SimulatorFrontend::reportSimulatedProgramError(), SimulatorFrontend::RES_FATAL, SRE_RUNTIME_ERROR, and target_.

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Member Data Documentation

target_

SimulatorFrontend& SigFPEHandler::target_

private

Simulator frontend to use when stopping the simulation.

Definition at line 123 of file TTASim.cc.

Referenced by execute().

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The documentation for this class was generated from the following file:

• TTASim.cc