| 1 | // This test checks that .eh_frame_hdr address is in bounds of the last LOAD |
|---|---|
| 2 | // end address i.e. the section address is smaller then the LOAD end address. |
| 3 | |
| 4 | // REQUIRES: system-linux,bolt-runtime,target=x86_64{{.*}} |
| 5 | |
| 6 | // RUN: %clangxx %cxxflags -static -Wl,-q %s -o %t.exe -Wl,--entry=_start |
| 7 | // RUN: llvm-bolt %t.exe -o %t.instr -instrument \ |
| 8 | // RUN: --instrumentation-file=%t.fdata -instrumentation-sleep-time=1 |
| 9 | // RUN: llvm-readelf -SW %t.instr | grep -v bolt > %t.sections |
| 10 | // RUN: llvm-readelf -lW %t.instr | grep LOAD | tail -n 1 >> %t.sections |
| 11 | // RUN: FileCheck %s < %t.sections |
| 12 | |
| 13 | // CHECK: {{.*}} .eh_frame_hdr PROGBITS [[#%x, EH_ADDR:]] |
| 14 | // CHECK: LOAD 0x[[#%x, LD_OFFSET:]] 0x[[#%x, LD_VADDR:]] 0x[[#%x, LD_FSIZE:]] |
| 15 | // CHECK-SAME: 0x[[#%x, LD_MEMSIZE:]] |
| 16 | // |
| 17 | // If .eh_frame_hdr address bigger then last LOAD segment end address test would |
| 18 | // fail with overflow error, otherwise the result of the expression is 0 that |
| 19 | // could be found on this line e.g. in LOAD align field. |
| 20 | // CHECK-SAME: [[#LD_VADDR + LD_MEMSIZE - max(LD_VADDR + LD_MEMSIZE,EH_ADDR)]] |
| 21 | |
| 22 | #include <cstdio> |
| 23 | #include <stdexcept> |
| 24 | |
| 25 | void foo() { throw std::runtime_error("Exception from foo()"); } |
| 26 | |
| 27 | void bar() { foo(); } |
| 28 | |
| 29 | int main() { |
| 30 | try { |
| 31 | bar(); |
| 32 | } catch (const std::exception &e) { |
| 33 | printf(format: "Exception caught: %s\n", e.what()); |
| 34 | } |
| 35 | } |
| 36 | |
| 37 | extern "C"{ |
| 38 | void _start(); |
| 39 | } |
| 40 | |
| 41 | void _start() { main(); } |
| 42 |