| 1 | // This test check that LSDA section named by .gcc_except_table.main is |
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| 2 | // disassembled by BOLT. |
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| 3 | |
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| 4 | // RUN: %clang++ %cxxflags -O3 -no-pie -c %s -o %t.o |
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| 5 | // RUN: %clang++ %cxxflags -no-pie -fuse-ld=lld %t.o -o %t.exe \ |
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| 6 | // RUN: -Wl,-q -Wl,--script=%S/Inputs/lsda.ldscript |
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| 7 | // RUN: llvm-readelf -SW %t.exe | FileCheck %s |
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| 8 | // RUN: llvm-bolt %t.exe -o %t.bolt |
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| 9 | |
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| 10 | // CHECK: .gcc_except_table.main |
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| 11 | |
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| 12 | #include <iostream> |
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| 13 | |
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| 14 | class MyException : public std::exception { |
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| 15 | public: |
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| 16 | const char *what() const throw() { |
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| 17 | return "Custom Exception: an error occurred!" ; |
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| 18 | } |
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| 19 | }; |
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| 20 | |
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| 21 | int divide(int a, int b) { |
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| 22 | if (b == 0) { |
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| 23 | throw MyException(); |
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| 24 | } |
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| 25 | return a / b; |
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| 26 | } |
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| 27 | |
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| 28 | int main() { |
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| 29 | try { |
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| 30 | int result = divide(a: 10, b: 2); // normal case |
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| 31 | std::cout << "Result: " << result << std::endl; |
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| 32 | result = divide(a: 5, b: 0); // will cause exception |
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| 33 | std::cout << "Result: " << result << std::endl; |
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| 34 | // this line will not execute |
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| 35 | } catch (const MyException &e) { |
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| 36 | // catch custom exception |
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| 37 | std::cerr << "Caught exception: " << e.what() << std::endl; |
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| 38 | } catch (const std::exception &e) { |
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| 39 | // catch other C++ exceptions |
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| 40 | std::cerr << "Caught exception: " << e.what() << std::endl; |
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| 41 | } catch (...) { |
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| 42 | // catch all other exceptions |
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| 43 | std::cerr << "Caught unknown exception" << std::endl; |
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| 44 | } |
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| 45 | |
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| 46 | return 0; |
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| 47 | } |
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| 48 | |
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