PI07449: R9 IN XPLINK STACKFRAME RECEIVES INCORRECT VALUE

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• In the DWARF information, some of the parameter/local variables
  contains information base on R9 that ends up being incorrect:
  (which is different
  than normal home location which is relative to the stack/R4)
  
  <1><  947>      DW_TAG_subprogram
                  DW_AT_name                  inline_test
                  DW_AT_external              yes
                  DW_AT_decl_file             1
                  DW_AT_decl_line             3205
                  DW_AT_decl_column           6
                  DW_AT_low_pc                0xa00
                  DW_AT_high_pc               0xafe
                  DW_AT_sibling               <1105>
  <2>< 1054>      DW_TAG_variable
                  DW_AT_name                  a
                  DW_AT_type                  <3184>
                  DW_AT_decl_file             1
                  DW_AT_decl_line             3207
                  DW_AT_decl_column           7
                  DW_AT_location              DW_OP_breg9+0
  
  relevant pseudo code:
  inline void bar_inline(int i[])
  { count++; i[0] = count; }
  
  void inline_test ()
  {
    int a[foo_inline ()];
    int g = bar_noinline();
    bar_inline (a);
    printf("Value of G: %d\n", g);
  }
  

Local fix

• N/A
  

Problem summary

• ****************************************************************
  * USERS AFFECTED: All user of dbx, or CDA library users who    *
  *                 use ddpi_stackstate_* APIs.                  *
  ****************************************************************
  * PROBLEM DESCRIPTION: The ddpi_stackstate_parent() not        *
  *                      providing correct register values for   *
  *                      non-top-of-stack xplink frames.         *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  

Problem conclusion

• Apply provided service.
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

  PM95978

• APAR is sysrouted TO one or more of the following:

  UI13288

Modules/Macros

• CDAEDPI  CDAEED   CDAEEDE  CDAEQDPI CDAEQED
  

Fix information

• Fixed component name

  RUNTIME LIB EXT

• Fixed component ID

  56551210D

Applicable component levels

• R790 PSY UI13288

     UP14/01/14 P F401

Fix is available

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