src/hotspot/share/code/exceptionHandlerTable.cpp

rev 54763 : 8213084: Rework and enhance Print[Opto]Assembly output
Reviewed-by:

*** 1,7 ****
  /*
!  * Copyright (c) 1998, 2016, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
--- 1,7 ----
  /*
!  * Copyright (c) 1998, 2019, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
*** 183,196 ****
        return *(adr(i)+1);
    return 0;                     // Failed to find any execption offset
  }
  
  void ImplicitExceptionTable::print(address base) const {
    tty->print("{");
!   for( uint i=0; i<len(); i++ )
      tty->print("< " INTPTR_FORMAT ", " INTPTR_FORMAT " > ", p2i(base + *adr(i)), p2i(base + *(adr(i)+1)));
    tty->print_cr("}");
  }
  
  ImplicitExceptionTable::ImplicitExceptionTable(const nmethod* nm) {
    if (nm->nul_chk_table_size() == 0) {
      _len = 0;
--- 183,210 ----
        return *(adr(i)+1);
    return 0;                     // Failed to find any execption offset
  }
  
  void ImplicitExceptionTable::print(address base) const {
+   const uint n = len();
+   if (n > 0) {
+     const uint items_per_line = 3;
+     uint i;
+     tty->print_cr("ImplicitExceptionTable (size = %d entries, %d bytes):", n, size_in_bytes());
      tty->print("{");
!     for (i = 0; i < n; i++) {
!       if (i%items_per_line == 0) {
!         tty->cr();
!         tty->fill_to(3);
!       }
        tty->print("< " INTPTR_FORMAT ", " INTPTR_FORMAT " > ", p2i(base + *adr(i)), p2i(base + *(adr(i)+1)));
+     }
+     tty->bol();
      tty->print_cr("}");
+   } else {
+     tty->print_cr("ImplicitExceptionTable is empty");
+   }
  }
  
  ImplicitExceptionTable::ImplicitExceptionTable(const nmethod* nm) {
    if (nm->nul_chk_table_size() == 0) {
      _len = 0;