src/share/vm/c1/c1_MacroAssembler.hpp

Print this page




   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 














  25 class CodeEmitInfo;
  26 
  27 class C1_MacroAssembler: public MacroAssembler {
  28  public:
  29   // creation
  30   C1_MacroAssembler(CodeBuffer* code) : MacroAssembler(code) { pd_init(); }
  31 
  32   //----------------------------------------------------
  33   void explicit_null_check(Register base);
  34 
  35   void inline_cache_check(Register receiver, Register iCache);
  36   void build_frame(int frame_size_in_bytes);
  37   void remove_frame(int frame_size_in_bytes);
  38 
  39   void unverified_entry(Register receiver, Register ic_klass);
  40   void verified_entry();
  41   void verify_stack_oop(int offset) PRODUCT_RETURN;
  42   void verify_not_null_oop(Register r)  PRODUCT_RETURN;
  43 
  44 #include "incls/_c1_MacroAssembler_pd.hpp.incl"






  45 };
  46 
  47 
  48 
  49 // A StubAssembler is a MacroAssembler w/ extra functionality for runtime
  50 // stubs. Currently it 'knows' some stub info. Eventually, the information
  51 // may be set automatically or can be asserted when using specialised
  52 // StubAssembler functions.
  53 
  54 class StubAssembler: public C1_MacroAssembler {
  55  private:
  56   const char* _name;
  57   bool        _must_gc_arguments;
  58   int         _frame_size;
  59   int         _num_rt_args;
  60   int         _stub_id;
  61 
  62  public:
  63   // creation
  64   StubAssembler(CodeBuffer* code, const char * name, int stub_id);
  65   void set_info(const char* name, bool must_gc_arguments);
  66 
  67   void set_frame_size(int size);
  68   void set_num_rt_args(int args);
  69 
  70   // accessors
  71   const char* name() const                       { return _name; }
  72   bool  must_gc_arguments() const                { return _must_gc_arguments; }
  73   int frame_size() const                         { return _frame_size; }
  74   int num_rt_args() const                        { return _num_rt_args; }
  75   int stub_id() const                            { return _stub_id; }
  76 
  77   // runtime calls (return offset of call to be used by GC map)
  78   int call_RT(Register oop_result1, Register oop_result2, address entry, int args_size = 0);
  79   int call_RT(Register oop_result1, Register oop_result2, address entry, Register arg1);
  80   int call_RT(Register oop_result1, Register oop_result2, address entry, Register arg1, Register arg2);
  81   int call_RT(Register oop_result1, Register oop_result2, address entry, Register arg1, Register arg2, Register arg3);
  82 };




   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SHARE_VM_C1_C1_MACROASSEMBLER_HPP
  26 #define SHARE_VM_C1_C1_MACROASSEMBLER_HPP
  27 
  28 #include "asm/assembler.hpp"
  29 #ifdef TARGET_ARCH_x86
  30 # include "assembler_x86.inline.hpp"
  31 #endif
  32 #ifdef TARGET_ARCH_sparc
  33 # include "assembler_sparc.inline.hpp"
  34 #endif
  35 #ifdef TARGET_ARCH_zero
  36 # include "assembler_zero.inline.hpp"
  37 #endif
  38 
  39 class CodeEmitInfo;
  40 
  41 class C1_MacroAssembler: public MacroAssembler {
  42  public:
  43   // creation
  44   C1_MacroAssembler(CodeBuffer* code) : MacroAssembler(code) { pd_init(); }
  45 
  46   //----------------------------------------------------
  47   void explicit_null_check(Register base);
  48 
  49   void inline_cache_check(Register receiver, Register iCache);
  50   void build_frame(int frame_size_in_bytes);
  51   void remove_frame(int frame_size_in_bytes);
  52 
  53   void unverified_entry(Register receiver, Register ic_klass);
  54   void verified_entry();
  55   void verify_stack_oop(int offset) PRODUCT_RETURN;
  56   void verify_not_null_oop(Register r)  PRODUCT_RETURN;
  57 
  58 #ifdef TARGET_ARCH_x86
  59 # include "c1_MacroAssembler_x86.hpp"
  60 #endif
  61 #ifdef TARGET_ARCH_sparc
  62 # include "c1_MacroAssembler_sparc.hpp"
  63 #endif
  64 
  65 };
  66 
  67 
  68 
  69 // A StubAssembler is a MacroAssembler w/ extra functionality for runtime
  70 // stubs. Currently it 'knows' some stub info. Eventually, the information
  71 // may be set automatically or can be asserted when using specialised
  72 // StubAssembler functions.
  73 
  74 class StubAssembler: public C1_MacroAssembler {
  75  private:
  76   const char* _name;
  77   bool        _must_gc_arguments;
  78   int         _frame_size;
  79   int         _num_rt_args;
  80   int         _stub_id;
  81 
  82  public:
  83   // creation
  84   StubAssembler(CodeBuffer* code, const char * name, int stub_id);
  85   void set_info(const char* name, bool must_gc_arguments);
  86 
  87   void set_frame_size(int size);
  88   void set_num_rt_args(int args);
  89 
  90   // accessors
  91   const char* name() const                       { return _name; }
  92   bool  must_gc_arguments() const                { return _must_gc_arguments; }
  93   int frame_size() const                         { return _frame_size; }
  94   int num_rt_args() const                        { return _num_rt_args; }
  95   int stub_id() const                            { return _stub_id; }
  96 
  97   // runtime calls (return offset of call to be used by GC map)
  98   int call_RT(Register oop_result1, Register oop_result2, address entry, int args_size = 0);
  99   int call_RT(Register oop_result1, Register oop_result2, address entry, Register arg1);
 100   int call_RT(Register oop_result1, Register oop_result2, address entry, Register arg1, Register arg2);
 101   int call_RT(Register oop_result1, Register oop_result2, address entry, Register arg1, Register arg2, Register arg3);
 102 };
 103 
 104 #endif // SHARE_VM_C1_C1_MACROASSEMBLER_HPP