1 | // REQUIRES: system-windows |
2 | // |
3 | // RUN: %clang_cl /Od /Z7 /Zi %s -o %t |
4 | // RUN: %dexter --fail-lt 1.0 -w --binary %t --debugger 'dbgeng' -- %s |
5 | // |
6 | // RUN: %clang_cl /O2 /Z7 /Zi %s -o %t |
7 | // RUN: %dexter --fail-lt 1.0 -w --binary %t \ |
8 | // RUN: --debugger 'dbgeng' -- %s |
9 | |
10 | // This code is structured to have an early exit with an epilogue in the middle |
11 | // of the function, which creates a gap between the beginning of the inlined |
12 | // code region and the end. Previously, this confused cdb. |
13 | |
14 | volatile bool shutting_down_ = true; |
15 | volatile bool tearing_down_ = true; |
16 | |
17 | void __attribute__((optnone)) setCrashString(const char *) {} |
18 | void __attribute__((optnone)) doTailCall() {} |
19 | extern "C" void __declspec(noreturn) abort(); |
20 | |
21 | void __forceinline inlineCrashFrame() { |
22 | if (shutting_down_ || tearing_down_) { |
23 | setCrashString("crashing" ); |
24 | // MSVC lays out calls to abort out of line, gets the layout we want. |
25 | abort(); // DexLabel('stop') |
26 | } |
27 | } |
28 | |
29 | void __declspec(noinline) callerOfInlineCrashFrame(bool is_keeping_alive) { |
30 | if (is_keeping_alive) |
31 | inlineCrashFrame(); |
32 | else |
33 | doTailCall(); |
34 | } |
35 | |
36 | int __attribute__((optnone)) main() { |
37 | callerOfInlineCrashFrame(true); |
38 | } |
39 | |
40 | /* |
41 | DexExpectProgramState({'frames':[ |
42 | {'function': 'inlineCrashFrame', 'location':{'lineno' : ref('stop')} }, |
43 | {'function': 'callerOfInlineCrashFrame'}, |
44 | {'function': 'main'} |
45 | ]}) |
46 | */ |
47 | |