examples/aarch64/debugger.cc

// Copyright 2014, VIXL authors
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#include "examples.h"


// This is an interactive example, not to be used for testing.
#ifndef TEST_EXAMPLES

#define __ masm->

// The aim is to let the user "play" with the debugger. Brk will trigger the
// debugger shell.
void GenerateBreak(MacroAssembler* masm) {
  Label hop;
  __ Brk();
  __ Nop();
  __ B(&hop);
  __ Nop();
  __ Bind(&hop);
  __ Mov(x1, 123);
  __ Mov(x2, 456);
  __ Add(x0, x1, x2);
  __ Ret();
}


#ifdef VIXL_INCLUDE_SIMULATOR_AARCH64
int main(void) {
  MacroAssembler masm;
  Decoder decoder;
  Debugger debugger(&decoder);

  // Generate the code for the example function.
  Label start;
  masm.Bind(&start);
  GenerateBreak(&masm);
  masm.FinalizeCode();

  // Run the example function.
  debugger.RunFrom(masm.GetLabelAddress<Instruction*>(&start));
  printf("Debugger example run\n");

  return 0;
}
#else
// Without the simulator there is nothing to test.
int main(void) { return 0; }
#endif  // VIXL_INCLUDE_SIMULATOR_AARCH64
#endif  // TEST_EXAMPLES