Fix the ARM simulator's stop support and add conditional breakpoint....

src/arm/assembler-arm.cc

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // All Rights Reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions
 // are met:
 //
 // - Redistributions of source code must retain the above copyright notice,
 // this list of conditions and the following disclaimer.
 //
@@ skipping 1638 matching lines @@
   // It expects to find the address just after the svc instruction.
   BlockConstPoolFor(2);
   if (code >= 0) {
     svc(kStopInterruptCode + code, cond);
   } else {
     svc(kStopInterruptCode + kMaxStopCode, cond);
   }
   emit(reinterpret_cast<Instr>(msg));
 #else  // def __arm__
 #ifdef CAN_USE_ARMV5_INSTRUCTIONS
-  ASSERT(cond == al);
-  bkpt(0);
+  if (cond != al) {
+    Label skip;
+    b(&skip, NegateCondition(cond));
+    bkpt(0);
+    bind(&skip);
+  } else {
+    bkpt(0);
+  }
 #else  // ndef CAN_USE_ARMV5_INSTRUCTIONS
   svc(0x9f0001, cond);
 #endif  // ndef CAN_USE_ARMV5_INSTRUCTIONS
 #endif  // def __arm__
 }
 
 
 void Assembler::bkpt(uint32_t imm16) {  // v5 and above
   ASSERT(is_uint16(imm16));
   emit(al | B24 | B21 | (imm16 >> 4)*B8 | 7*B4 | (imm16 & 0xf));
@@ skipping 983 matching lines @@
 
   // Since a constant pool was just emitted, move the check offset forward by
   // the standard interval.
   next_buffer_check_ = pc_offset() + kCheckConstInterval;
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM