src/hotspot/cpu/ppc/c1_CodeStubs_ppc.cpp

rev 56646 : 8231757: [ppc] Fix VerifyOops. Errors show since 8231058.
Summary: Also make the checks print the wrong value and where a failure occurred.

*** 320,330 ****
  #endif
  
  void PatchingStub::emit_code(LIR_Assembler* ce) {
    // copy original code here
    assert(NativeGeneralJump::instruction_size <= _bytes_to_copy && _bytes_to_copy <= 0xFF,
!          "not enough room for call");
    assert((_bytes_to_copy & 0x3) == 0, "must copy a multiple of four bytes");
  
    Label call_patch;
  
    int being_initialized_entry = __ offset();
--- 320,330 ----
  #endif
  
  void PatchingStub::emit_code(LIR_Assembler* ce) {
    // copy original code here
    assert(NativeGeneralJump::instruction_size <= _bytes_to_copy && _bytes_to_copy <= 0xFF,
!          "not enough room for call, need %d", _bytes_to_copy);
    assert((_bytes_to_copy & 0x3) == 0, "must copy a multiple of four bytes");
  
    Label call_patch;
  
    int being_initialized_entry = __ offset();
*** 338,348 ****
      // Produce a copy of the load mirror instruction for use by the being initialized case.
      AddressLiteral addrlit((address)NULL, oop_Relocation::spec(_index));
      __ load_const(_obj, addrlit, R0);
      DEBUG_ONLY( compare_with_patch_site(__ code_section()->start() + being_initialized_entry, _pc_start, _bytes_to_copy); )
    } else {
!     // Make a copy the code which is going to be patched.
      for (int i = 0; i < _bytes_to_copy; i++) {
        address ptr = (address)(_pc_start + i);
        int a_byte = (*ptr) & 0xFF;
        __ emit_int8 (a_byte);
      }
--- 338,348 ----
      // Produce a copy of the load mirror instruction for use by the being initialized case.
      AddressLiteral addrlit((address)NULL, oop_Relocation::spec(_index));
      __ load_const(_obj, addrlit, R0);
      DEBUG_ONLY( compare_with_patch_site(__ code_section()->start() + being_initialized_entry, _pc_start, _bytes_to_copy); )
    } else {
!     // Make a copy of the code which is going to be patched.
      for (int i = 0; i < _bytes_to_copy; i++) {
        address ptr = (address)(_pc_start + i);
        int a_byte = (*ptr) & 0xFF;
        __ emit_int8 (a_byte);
      }