1 // Copyright 2014, ARM Limited
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3 //
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5 // modification, are permitted provided that the following conditions are met:
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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.
GenerateBreak(MacroAssembler * masm)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 USE_SIMULATOR
main(void)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.
main(void)74 int main(void) { return 0; }
75 #endif // USE_SIMULATOR
76 #endif // TEST_EXAMPLES
77