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      1 // Copyright 2010 the V8 project authors. All rights reserved.
      2 // Redistribution and use in source and binary forms, with or without
      3 // modification, are permitted provided that the following conditions are
      4 // met:
      5 //
      6 //     * Redistributions of source code must retain the above copyright
      7 //       notice, this list of conditions and the following disclaimer.
      8 //     * Redistributions in binary form must reproduce the above
      9 //       copyright notice, this list of conditions and the following
     10 //       disclaimer in the documentation and/or other materials provided
     11 //       with the distribution.
     12 //     * Neither the name of Google Inc. nor the names of its
     13 //       contributors may be used to endorse or promote products derived
     14 //       from this software without specific prior written permission.
     15 //
     16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27 
     28 
     29 
     30 #include "v8.h"
     31 
     32 #include "codegen-inl.h"
     33 #include "debug.h"
     34 
     35 namespace v8 {
     36 namespace internal {
     37 
     38 #ifdef ENABLE_DEBUGGER_SUPPORT
     39 bool BreakLocationIterator::IsDebugBreakAtReturn() {
     40   return Debug::IsDebugBreakAtReturn(rinfo());
     41 }
     42 
     43 
     44 void BreakLocationIterator::SetDebugBreakAtReturn() {
     45   UNIMPLEMENTED_MIPS();
     46 }
     47 
     48 
     49 // Restore the JS frame exit code.
     50 void BreakLocationIterator::ClearDebugBreakAtReturn() {
     51   UNIMPLEMENTED_MIPS();
     52 }
     53 
     54 
     55 // A debug break in the exit code is identified by a call.
     56 bool Debug::IsDebugBreakAtReturn(RelocInfo* rinfo) {
     57   ASSERT(RelocInfo::IsJSReturn(rinfo->rmode()));
     58   return rinfo->IsPatchedReturnSequence();
     59 }
     60 
     61 
     62 #define __ ACCESS_MASM(masm)
     63 
     64 
     65 
     66 
     67 void Debug::GenerateLoadICDebugBreak(MacroAssembler* masm) {
     68   UNIMPLEMENTED_MIPS();
     69 }
     70 
     71 
     72 void Debug::GenerateStoreICDebugBreak(MacroAssembler* masm) {
     73   UNIMPLEMENTED_MIPS();
     74 }
     75 
     76 
     77 void Debug::GenerateKeyedLoadICDebugBreak(MacroAssembler* masm) {
     78   UNIMPLEMENTED_MIPS();
     79 }
     80 
     81 
     82 void Debug::GenerateKeyedStoreICDebugBreak(MacroAssembler* masm) {
     83   UNIMPLEMENTED_MIPS();
     84 }
     85 
     86 
     87 void Debug::GenerateCallICDebugBreak(MacroAssembler* masm) {
     88   UNIMPLEMENTED_MIPS();
     89 }
     90 
     91 
     92 void Debug::GenerateConstructCallDebugBreak(MacroAssembler* masm) {
     93   UNIMPLEMENTED_MIPS();
     94 }
     95 
     96 
     97 void Debug::GenerateReturnDebugBreak(MacroAssembler* masm) {
     98   UNIMPLEMENTED_MIPS();
     99 }
    100 
    101 
    102 void Debug::GenerateStubNoRegistersDebugBreak(MacroAssembler* masm) {
    103   UNIMPLEMENTED_MIPS();
    104 }
    105 
    106 
    107 #undef __
    108 
    109 #endif  // ENABLE_DEBUGGER_SUPPORT
    110 
    111 } }  // namespace v8::internal
    112 
    113