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48 lines
1.4 KiB
48 lines
1.4 KiB
4 months ago
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// REQUIRES: system-windows
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//
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// RUN: %dexter --fail-lt 1.0 -w --builder 'clang-cl_vs2015' \
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// RUN: --debugger 'dbgeng' --cflags '/Od /Z7 /Zi' \
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// RUN: --ldflags '/Od /Z7 /Zi' -- %s
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//
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// RUN: %dexter --fail-lt 1.0 -w --builder 'clang-cl_vs2015' \
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// RUN: --debugger 'dbgeng' --cflags '/O2 /Z7 /Zi' \
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// RUN: --ldflags '/O2 /Z7 /Zi' -- %s
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// This code is structured to have an early exit with an epilogue in the middle
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// of the function, which creates a gap between the beginning of the inlined
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// code region and the end. Previously, this confused cdb.
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volatile bool shutting_down_ = true;
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volatile bool tearing_down_ = true;
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void __attribute__((optnone)) setCrashString(const char *) {}
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void __attribute__((optnone)) doTailCall() {}
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extern "C" void __declspec(noreturn) abort();
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void __forceinline inlineCrashFrame() {
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if (shutting_down_ || tearing_down_) {
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setCrashString("crashing");
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// MSVC lays out calls to abort out of line, gets the layout we want.
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abort(); // DexLabel('stop')
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}
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}
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void __declspec(noinline) callerOfInlineCrashFrame(bool is_keeping_alive) {
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if (is_keeping_alive)
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inlineCrashFrame();
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else
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doTailCall();
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}
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int __attribute__((optnone)) main() {
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callerOfInlineCrashFrame(true);
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}
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/*
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DexExpectProgramState({'frames':[
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{'function': 'inlineCrashFrame', 'location':{'lineno' : 'stop'} },
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{'function': 'callerOfInlineCrashFrame'},
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{'function': 'main'}
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]})
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*/
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