1 // Copyright 2014, ARM Limited 2 // All rights reserved. 3 // 4 // Redistribution and use in source and binary forms, with or without 5 // modification, are permitted provided that the following conditions are met: 6 // 7 // * Redistributions of source code must retain the above copyright notice, 8 // this list of conditions and the following disclaimer. 9 // * Redistributions in binary form must reproduce the above copyright notice, 10 // this list of conditions and the following disclaimer in the documentation 11 // and/or other materials provided with the distribution. 12 // * Neither the name of ARM Limited nor the names of its contributors may be 13 // used to endorse or promote products derived from this software without 14 // specific prior written permission. 15 // 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS CONTRIBUTORS "AS IS" AND 17 // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 18 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 19 // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE 20 // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 22 // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 23 // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 27 #include "examples.h" 28 29 30 // This is an interactive example, not to be used for testing. 31 #ifndef TEST_EXAMPLES 32 33 #define BUF_SIZE (4096) 34 #define __ masm-> 35 36 // The aim is to let the user "play" with the debugger. Brk will trigger the 37 // debugger shell. 38 void GenerateBreak(MacroAssembler* masm) { 39 Label hop; 40 __ Brk(); 41 __ Nop(); 42 __ B(&hop); 43 __ Nop(); 44 __ Bind(&hop); 45 __ Mov(x1, 123); 46 __ Mov(x2, 456); 47 __ Add(x0, x1, x2); 48 __ Ret(); 49 } 50 51 52 #ifdef VIXL_INCLUDE_SIMULATOR 53 int main(void) { 54 // Create and initialize the assembler and the debugger. 55 byte assm_buf[BUF_SIZE]; 56 MacroAssembler masm(assm_buf, BUF_SIZE); 57 Decoder decoder; 58 Debugger debugger(&decoder); 59 60 // Generate the code for the example function. 61 Label start; 62 masm.Bind(&start); 63 GenerateBreak(&masm); 64 masm.FinalizeCode(); 65 66 // Run the example function. 67 debugger.RunFrom(masm.GetLabelAddress<Instruction*>(&start)); 68 printf("Debugger example run\n"); 69 70 return 0; 71 } 72 #else 73 // Without the simulator there is nothing to test. 74 int main(void) { return 0; } 75 #endif // VIXL_INCLUDE_SIMULATOR 76 #endif // TEST_EXAMPLES 77