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APAR NUMBER:  PJ31313                         
PRODUCT:  TPF4
FUNCTIONAL AREA:  ISO-C SUPPORT
SHIPPED IN PUT:  21
 

ABSTRACT:
SINGLE SOURCE PRLGC/EPLGC MIGRATION
 
APAR CONTENTS:
FEATURE   TYPE                STATUS    NAME                              
Base      Macro               Changed   macro/prlgc.mac
Base      Assembler           Changed   source/rt/base/cxbccd.asm
 
PREREQUISITE APARS:  To be applied in order listed.
Base      Macro               Changed   macro/prlgc.mac
 PJ29640(19)  PJ30149(19)  
Base      Assembler           Changed   source/rt/base/cxbccd.asm
 PJ30323(20)  
 
COMMENTS:
For single-source code, need to add the AMODE=31, TRACE, and CHECK
parameters to the PRLGC macro on TPF 4.1. Need to add AMODE=31 to the
PRLGC macro in the ./copyserv/source/csb2nm.asm and
./rt/base/cxbccd.asm segments. Need to correct coding problems in the
./rt/base/cxbccd.asm segments.
 

SOLUTION:
Added the AMODE parameter for the PRLGC macro in TPF4.1. This is a
mandatory parameter and will not have a default on TPF 4.1 to avoid a
conflict with the default on z/TPF. The only valid value is AMODE=31.
All single-soure code using PRLGC must code AMODE=31. The default for
AMODE in z/TPF will remain 64. 
 Added the TRACE parameter for the PRLGC macro in TPF 4.1. This
optional parameter is provided so that the PRLGC macro can be used in a
single-source TPF system. Programs that issue the PRLGC macro with the
TRACE parameter will assemble in the TPF 4.1 system; the TRACE
parameter is checked for YES or NO; however, the parameter is not used.
For the z/TPF system, the TRACE parameter specifies if a trace hook is
generated in the respective prologs and epilogs for the function trace.
(TRACE=YES is the default.) 
 Added the CHECK parameter for the PRLGC macro in TPF 4.1. This
optional parameter is provided so that the PRLGC macro can be used in a
single-source TPF system. Programs that issue the PRLGC macro with the
CHECK parameter will assemble in the TPF 4.1 system; the CHECK
parameter is ignored. For the z/TPF system, the CHECK parameter
CHECK=macroname specifies an authorization check of the primary
supervisor call (SVC) macro for the function being written, where
macroname is the name of the SVC macro.
 In ./copyserv/source/cxb2nm.asm, added the AMODE=31 parameter to the
PRLGC statement. This segment is delivered in the APAR tar file.
 In ./rt/base/cxbccd.asm, added the AMODE=31 parameter to the PRLGC
statment, changed code to use the correct register when checking the
FACS return code, and corrected the storing of the FARF address on an
FIWHC error.
 
 

DEPENDENCIES
 
SEGMENTS TO BE ASSEMBLED OR COMPILED:
None.
 
SEGMENTS TO BE LINK EDITED:
cxbc40.exe (Shipped in Tar File)
 
COREQS:
None.
 

MIGRATION CONSIDERATIONS:
Macro changes: Added the following parameters to the PRLGC macro so 
that the PRLGC macro can be used for single-source application code: 
the mandatory AMODE=31 parameter, the optional TRACE parameter, and the

optional CHECK parameter.
 
UPDATED INFORMATION UNITS:
TPF General Macros
z/TPF and z/TPFDF Migration Guide
 
See your IBM representative if you need additional information.
 

DOWNLOAD INSTRUCTIONS:
http://www.ibm.com/software/htp/tpf/pages/maint.htm

 
-- END APAR PJ31313
      




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