You can call dumps from exits with the SDUMP macro. As an alternative to the CVTSDUMP procedure described in Setting CVTSDUMP, this eliminates modifying storage to start the dump. For information on the syntax and coding of the SDUMP macro, refer to z/OS V2R1.0 MVS Diagnosis: Tools and Service Aids. For information on analyzing dumps, refer to z/OS V2R1.0 MVS Diagnosis: Reference. For information on requesting and reading dumps, refer to z/OS Problem Management and z/OS V2R1.0 MVS Diagnosis: Reference. For information on the SVC dump that is produced by issuing the the SDUMP macro, refer to z/OS Problem Management.