1 // Copyright 2013, ARM Limited
2 // All rights reserved.
3 //
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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
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13 // used to endorse or promote products derived from this software without
14 // specific prior written permission.
15 //
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26
27 #include "examples.h"
28
29 // This is an interactive example, not to be used for testing.
30 #ifndef TEST_EXAMPLES
31
32 #define BUF_SIZE (4096)
33 #define __ masm->
34
35 // The aim is to let the user "play" with the debugger. Brk will trigger the
36 // debugger shell.
GenerateBreak(MacroAssembler * masm)37 void GenerateBreak(MacroAssembler* masm) {
38 Label hop;
39 __ Brk();
40 __ Nop();
41 __ B(&hop);
42 __ Nop();
43 __ Bind(&hop);
44 __ Mov(x1, 123);
45 __ Mov(x2, 456);
46 __ Add(x0, x1, x2);
47 __ Ret();
48 }
49
50
main(void)51 int main(void) {
52 // Create and initialize the assembler and the debugger.
53 byte assm_buf[BUF_SIZE];
54 MacroAssembler masm(assm_buf, BUF_SIZE);
55 Decoder decoder;
56 Debugger debugger(&decoder);
57
58 // Generate the code for the example function.
59 Label start;
60 masm.Bind(&start);
61 GenerateBreak(&masm);
62 masm.FinalizeCode();
63
64 // Run the example function.
65 debugger.RunFrom(start.target());
66 printf("Debugger example run\n");
67
68 return 0;
69 }
70 #endif
71