1 // Copyright 2014, ARM Limited
2 // All rights reserved.
3 //
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5 // modification, are permitted provided that the following conditions are met:
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26 
27 #include "vixl/a64/simulator-a64.h"
28 #include "vixl/a64/macro-assembler-a64.h"
29 
30 #define BUF_SIZE (4096)
31 #define __ masm->
32 
33 using namespace vixl;
34 
GenerateDemoFunction(MacroAssembler * masm)35 void GenerateDemoFunction(MacroAssembler *masm) {
36   // uint64_t demo_function(uint64_t x)
37   __ Ldr(x1, 0x1122334455667788);
38   __ And(x0, x0, x1);
39   __ Ret();
40 }
41 
42 
43 #ifndef TEST_EXAMPLES
44 #ifdef USE_SIMULATOR
main()45 int main() {
46   byte assm_buf[BUF_SIZE];
47   MacroAssembler masm(assm_buf, BUF_SIZE);
48   Decoder decoder;
49   Simulator simulator(&decoder);
50 
51   Label demo_function;
52   masm.Bind(&demo_function);
53   GenerateDemoFunction(&masm);
54   masm.FinalizeCode();
55 
56   simulator.set_xreg(0, 0x8899aabbccddeeff);
57   simulator.RunFrom(masm.GetLabelAddress<Instruction*>(&demo_function));
58   printf("x0 = %" PRIx64 "\n", simulator.xreg(0));
59 
60   return 0;
61 }
62 #else
63 // Without the simulator there is nothing to test.
main(void)64 int main(void) { return 0; }
65 #endif  // USE_SIMULATOR
66 #endif  // TEST_EXAMPLES
67