Quellcode-Bibliothek icBuffer_aarch64.cpp Sprache: C

*  *  * under *  * published *   * This  * FITNESS * ANY WARRANTY;  * version * FITNESS FOR A PARTICULAR java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 26
  ()197,205,Oracle/ itsaffiliates All rights.
* Copyright (c) 2014, Red Hat Inc. All#nclude"/.inline."
* "/icBuffer.hpp"
*
* Thisinclude "/shared/collectedHeap.inline.hpp"
* undertheterms the GNU General PublicLicenseversion 2 only as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
ARRANTY  eventhe  warrantyofMERCHANTABILITY
* FITNESSFOR   PURPOSE   theGNUGeneral  License
* version 2 for #ncludenativeInst_aarch64hpp
* accompanied
*
* You should have received a copy of   (::far_branches() ? 6  4 *NativeInstructioninstruction_sizejava.lang.StringIndexOutOfBoundsException: Index 88 out of bounds for length 88
* 2 along with rm
        (code_begin,();
   MacroAssembler              new (&code;
* Please contact  java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
java.lang.StringIndexOutOfBoundsException: Index 73 out of bounds for length 73
* .
*
java.lang.StringIndexOutOfBoundsException: Range [9, 2) out of bounds for length 26

#include " intsize=NativeInstruction:: jump_code_size +8java.lang.StringIndexOutOfBoundsException: Index 75 out of bounds for length 75
#include __ nop  java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
asm"
#include "_ (int64_tcached_value;
#include "gc/shared/collectedHeap.inline ::invalidate_range(code_begin, InlineCacheBuffer::ic_stub_code_size())java.lang.StringIndexOutOfBoundsException: Index 79 out of bounds for length 79
#interpreter.hpp
#include "memory/resourceArea.hpp"
# "."
#include  *jump=nativeJump_atcode_begin );

int
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}

#define __ masm-

void InlineCacheBuffer::assemble_ic_buffer_code()- );
ResourceMark ;
  CodeBuffer      codereturn
  MacroAssembler* masm            = new MacroAssembler(&code);
  // note: even though the code contains an embedded value, we do not need reloc info
  // because
  // (1) the value is old (i.e., doesn't matter for scavenges)
  // (2) these ICStubs are removed *before* a GC happens, so the roots disappear
  // assert(cached_value == NULL || cached_oop->is_perm(), "must be perm oop");

  address start = __ pc();
  Label l;
  __ ldr(rscratch2, l);
  int jump_code_size = __ far_jump(ExternalAddress(entry_point));
  // IC stub code size is not expected to vary depending on target address.
  // We use NOPs to make the [ldr + far_jump + nops + int64] stub size equal to ic_stub_code_size.
  for (int size = NativeInstruction::instruction_size + jump_code_size + 8;
           size < ic_stub_code_size(); size += NativeInstruction::instruction_size) {
    __ nop();
  }
  __ bind(l);
  assert((uintptr_t)__ pc() % wordSize == 0, "");
  __ emit_int64((int64_t)cached_value);
  // Only need to invalidate the 1st two instructions - not the whole ic stub
  ICache::invalidate_range(code_begin, InlineCacheBuffer::ic_stub_code_size());
  assert(__ pc() - start == ic_stub_code_size(), "must be");
}

address InlineCacheBuffer::ic_buffer_entry_point(address code_begin) {
  NativeMovConstReg* move = nativeMovConstReg_at(code_begin);   // creation also verifies the object
  NativeJump* jump = nativeJump_at(code_begin + 4);
  return jump->jump_destination();
}

void* InlineCacheBuffer::ic_buffer_cached_value(address code_begin) {
  // The word containing the cached value is at the end of this IC buffer
  uintptr_t *p = (uintptr_t *)(code_begin + ic_stub_code_size() - wordSize);
  void* o = (void*)*p;
  return o;
}

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