Mon, 12 Mar 2012 15:28:07 -0700
7152957: VM crashes with assert(false) failed: bad AD file
Reviewed-by: kvn, never
Contributed-by: nils.eliasson@oracle.com
1 /*
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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5 * This code is free software; you can redistribute it and/or modify it
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13 * accompanied this code).
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15 * You should have received a copy of the GNU General Public License version
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25 #ifndef CPU_SPARC_VM_C1_LIRASSEMBLER_SPARC_HPP
26 #define CPU_SPARC_VM_C1_LIRASSEMBLER_SPARC_HPP
28 private:
30 //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
31 //
32 // Sparc load/store emission
33 //
34 // The sparc ld/st instructions cannot accomodate displacements > 13 bits long.
35 // The following "pseudo" sparc instructions (load/store) make it easier to use the indexed addressing mode
36 // by allowing 32 bit displacements:
37 //
38 // When disp <= 13 bits long, a single load or store instruction is emitted with (disp + [d]).
39 // When disp > 13 bits long, code is emitted to set the displacement into the O7 register,
40 // and then a load or store is emitted with ([O7] + [d]).
41 //
43 int store(LIR_Opr from_reg, Register base, int offset, BasicType type, bool wide, bool unaligned);
44 int store(LIR_Opr from_reg, Register base, Register disp, BasicType type, bool wide);
46 int load(Register base, int offset, LIR_Opr to_reg, BasicType type, bool wide, bool unaligned);
47 int load(Register base, Register disp, LIR_Opr to_reg, BasicType type, bool wide);
49 void monitorexit(LIR_Opr obj_opr, LIR_Opr lock_opr, Register hdr, int monitor_no);
51 int shift_amount(BasicType t);
53 static bool is_single_instruction(LIR_Op* op);
55 // Record the type of the receiver in ReceiverTypeData
56 void type_profile_helper(Register mdo, int mdo_offset_bias,
57 ciMethodData *md, ciProfileData *data,
58 Register recv, Register tmp1, Label* update_done);
59 // Setup pointers to MDO, MDO slot, also compute offset bias to access the slot.
60 void setup_md_access(ciMethod* method, int bci,
61 ciMethodData*& md, ciProfileData*& data, int& mdo_offset_bias);
62 public:
63 void pack64(LIR_Opr src, LIR_Opr dst);
64 void unpack64(LIR_Opr src, LIR_Opr dst);
66 enum {
67 #ifdef _LP64
68 call_stub_size = 68,
69 #else
70 call_stub_size = 20,
71 #endif // _LP64
72 exception_handler_size = DEBUG_ONLY(1*K) NOT_DEBUG(128),
73 deopt_handler_size = DEBUG_ONLY(1*K) NOT_DEBUG(64) };
75 #endif // CPU_SPARC_VM_C1_LIRASSEMBLER_SPARC_HPP