SAP ABAP Table RHEAD (Structure of program header) is used by

• Class (32)
• Function Module (10)
• Program (35)
• Table (1)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Class	CL_ABAP_COMP_PROCS Method: GET_PROC_DEFS	Split to Procedures	SABP_COMPILER	BASIS	SAP_BASIS
2	Class	CL_ABAP_GEN_LIMITS	ABAP generation limits	S_ABAP_GEN	BASIS	SAP_BASIS
3	Class	CL_ABAP_LOAD Method: LOADSIZE	Elementary Functions for Analyzing Load	SABP	BASIS	SAP_BASIS
4	Class	CL_ABAP_LOAD Method: NUM_OF_TRIG_ENTRIES	Elementary Functions for Analyzing Load	SABP	BASIS	SAP_BASIS
5	Class	CL_ABDBG_ACT_FOR_ATTACH Method: __IS_PROGRAM_LOADED	Activation of ABAP Debugger for the "attach" scenario	SABP_DEBUG_EXT	BASIS	SAP_BASIS
6	Class	CL_AMDP_RUNTIME_SERVICES Method: GET_CLASS_VERSION	AMDP Service Methods	SABP_AMDP_KRN	BASIS	SAP_BASIS
7	Class	CL_AUNIT_PROG_BYTE_CODE_SVC Method: ANALYSE_LOAD_INFO	INTERNAL: Byte code and test classes	SABP_UNIT_CORE	BASIS	SAP_BASIS
8	Class	CL_AUNIT_PROG_BYTE_CODE_SVC Method: ANALYSE_PROGRAM	INTERNAL: Byte code and test classes	SABP_UNIT_CORE	BASIS	SAP_BASIS
9	Class	CL_AUNIT_PROG_BYTE_CODE_SVC	INTERNAL: Byte code and test classes	SABP_UNIT_CORE	BASIS	SAP_BASIS
10	Class	CL_CHK_USABILITY Method: IF_CRM_OBJECT_CHECKER~CHECK_OBJECTS	Usability Check for ToDo	SCRP_UTIL	BASIS	SAP_BASIS
11	Class	CL_CI_TEST_ABAP_GENERATE Method: RUN	Code Inspector: Source for Include	S_CODE_INSPECTOR	BASIS	SAP_BASIS
12	Class	CL_CI_TEST_METRIC_WDYN Method: DETERMINE_LOAD_SIZE	SCI: ABAP WebDynpro Metrics	S_KAIZEN	BASIS	SAP_BASIS
13	Class	CL_ESH_CO_DEV_OBJECTS Method: CHECK_CLASS_VALID	Details of Development Objects	S_ESH_ENG_COMMON	BASIS	SAP_BASIS
14	Class	CL_ESH_IF_DATA_PROVIDER_CTRL Method: CHECK_CLASS_VALID	Data Provider Controller	S_ESH_ENG_INTERFACE	BASIS	SAP_BASIS
15	Class	CL_RRI_SERVICE Method: GET_GENREP_INFO	OLAP: RRI Service	RSR_MONITOR	RS_BW_STRUPAK	SAP_BW
16	Class	CL_SATC_CM_CHECK_MODULE Method: CREATE_CHECKMAN_PLUGIN	Abstract Adapter to CheckMan Check Plug-Ins	SATC_CM_CHECK_MODULE_SCV	BASIS	SAP_BASIS
17	Class	CL_SATC_PLUGIN_SVC Method: INIT_CONDITION	Service for Initializing ATC Plug-Ins	SATC_STDLIB_META_DATA_CORE	BASIS	SAP_BASIS
18	Class	CL_SATC_PLUGIN_SVC Method: INIT_MODULE	Service for Initializing ATC Plug-Ins	SATC_STDLIB_META_DATA_CORE	BASIS	SAP_BASIS
19	Class	CL_SAT_UTIL_INTERFACES	Get list of interfaces for SAT	S_ABAP_TRACE	BASIS	SAP_BASIS
20	Class	CL_SLIN_PROG_INFO Method: LOAD_EXIST	Interface for Program Information	SLIN_INTERN	BASIS	SAP_BASIS
21	Class	CL_SQLM_LREF	SQL Monitor: Line REF	SQLM_CORE	BASIS	SAP_BASIS
22	Class	CL_SQLM_LREF	SQL Monitor: Line REF	SQLM_CORE	BASIS	SAP_BASIS
23	Class	CL_SQLM_LREF	SQL Monitor: Line REF	SQLM_CORE	BASIS	SAP_BASIS
24	Class	CL_SQLM_RTM	SQL Monitor: RTM Data Replication	SQLM_CORE	BASIS	SAP_BASIS
25	Class	CL_ST05_ABAP_CALL_STACK_C Method: HANDLE_USER_COMMAND	ST05 ABAP Call Stack Controller Class	ST05	BASIS	SAP_BASIS
26	Class	CL_ST05_TRACE_FUNCTIONS Method: DISPLAY_ABAP_SOURCE_CODE	ST05 Trace Functions	ST05	BASIS	SAP_BASIS
27	Class	CL_STC_TASK_UTILITIES Method: CHECK_SYNTAX	Task Utilities	STC_TASK	BASIS	SAP_BASIS
28	Class	CL_STC_UTILITIES Method: CHECK_CLASS_SYNTAX	Helper Methods	STC_API	BASIS	SAP_BASIS
29	Class	CL_WB_OBJTYPE_TOOL Method: CHECK_CLASS_FOR_INTERFACE	Workbench Tool Class for Processing WB "Object Type"	SWB_OBJECT_TYPES	BASIS	SAP_BASIS
30	Class	CL_WDR_LS_JS_TIMESTAMP	Determination of Cache for WD Framework MIMES	SWDP_RUNTIME_RENDERING	SAP_UI_ROOT	SAP_UI
31	Class	CL_WDY_CI_TEST_CONVENTIONS	CI: Web Dynpro Programming Conventions	SWDP_WORKBENCH_TEST_ADDONS	BASIS	SAP_BASIS
32	Class	CL_WDY_WB_CHECKER	Static Checks for Web Dynpro Tools	SWDP_DWB_TOOL_VIEW_CONTROLLER	BASIS	SAP_BASIS