| 1 | // This test checks that .eh_frame_hdr address is in bounds of the last LOAD |
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| 2 | // end address i.e. the section address is smaller then the LOAD end address. |
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| 3 | |
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| 4 | // REQUIRES: system-linux,bolt-runtime,target=x86_64{{.*}} |
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| 5 | |
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| 6 | // RUN: %clangxx %cxxflags -static -Wl,-q %s -o %t.exe -Wl,--entry=_start |
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| 7 | // RUN: llvm-bolt %t.exe -o %t.instr -instrument \ |
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| 8 | // RUN: --instrumentation-file=%t.fdata -instrumentation-sleep-time=1 |
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| 9 | // RUN: (llvm-readelf -SW %t.instr | grep -v bolt; llvm-readelf -lW %t.instr | \ |
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| 10 | // RUN: grep LOAD | tail -n 1) | FileCheck %s |
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| 11 | |
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| 12 | // CHECK: {{.*}} .eh_frame_hdr PROGBITS [[#%x, EH_ADDR:]] |
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| 13 | // CHECK: LOAD 0x[[#%x, LD_OFFSET:]] 0x[[#%x, LD_VADDR:]] 0x[[#%x, LD_FSIZE:]] |
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| 14 | // CHECK-SAME: 0x[[#%x, LD_MEMSIZE:]] |
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| 15 | // |
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| 16 | // If .eh_frame_hdr address bigger then last LOAD segment end address test would |
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| 17 | // fail with overflow error, otherwise the result of the expression is 0 that |
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| 18 | // could be found on this line e.g. in LOAD align field. |
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| 19 | // CHECK-SAME: [[#LD_VADDR + LD_MEMSIZE - max(LD_VADDR + LD_MEMSIZE,EH_ADDR)]] |
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| 20 | |
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| 21 | #include <cstdio> |
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| 22 | #include <stdexcept> |
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| 23 | |
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| 24 | void foo() { throw std::runtime_error("Exception from foo()" ); } |
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| 25 | |
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| 26 | void bar() { foo(); } |
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| 27 | |
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| 28 | int main() { |
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| 29 | try { |
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| 30 | bar(); |
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| 31 | } catch (const std::exception &e) { |
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| 32 | printf(format: "Exception caught: %s\n" , e.what()); |
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| 33 | } |
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| 34 | } |
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| 35 | |
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| 36 | extern "C" { |
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| 37 | void _start(); |
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| 38 | } |
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| 39 | |
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| 40 | void _start() { main(); } |
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| 41 | |
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