src/share/vm/runtime/frame.hpp

rev 7023 : 8058345: Refactor native stack printing from vmError.cpp to debug.cpp to make it available in gdb as well
Summary: Also fix stack trace on x86 to enable walking of runtime stubs and native wrappers

*** 66,75 ****
--- 66,84 ----
  
   public:
    // Constructors
    frame();
  
+ #ifndef PRODUCT
+   // This is a generic constructor which is only used by pns() in debug.cpp.
+   // pns (i.e. print native stack) uses this constructor to create a starting
+   // frame for stack walking. The implementation of this constructor is platform
+   // dependent (i.e. SPARC doesn't need an 'fp' argument an will ignore it) but
+   // we want to keep the signature generic because pns() is shared code.
+   frame(void* sp, void* fp, void* pc);
+ #endif
+ 
    // Accessors
  
    // pc: Returns the pc at which this frame will continue normally.
    // It must point at the beginning of the next instruction to execute.
    address pc() const             { return _pc; }