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 setCrashString(const char *)17void __attribute__((optnone)) setCrashString(const char *) {} doTailCall()18void __attribute__((optnone)) doTailCall() {} 19 extern "C" void __declspec(noreturn) abort(); 20 inlineCrashFrame()21void __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 callerOfInlineCrashFrame(bool is_keeping_alive)29void __declspec(noinline) callerOfInlineCrashFrame(bool is_keeping_alive) { 30 if (is_keeping_alive) 31 inlineCrashFrame(); 32 else 33 doTailCall(); 34 } 35 main()36int __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