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https://github.com/FEX-Emu/FEX.git
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Paulo Matos
2b4ec88dae
This follows discussions from #3413. Followup commits add clang-format file, script and blame ignore lists.
38 lines
667 B
C++
38 lines
667 B
C++
#include <atomic>
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#include <signal.h>
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std::atomic<bool> CorrectFaultData {false};
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static void handler(int signal, siginfo_t* siginfo, void* context) {
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ucontext_t* _context = (ucontext_t*)context;
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if (signal != SIGSEGV) {
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return;
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}
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if (siginfo->si_addr != nullptr) {
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return;
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}
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if (_context->uc_mcontext.gregs[REG_TRAPNO] != 4) {
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return;
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}
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CorrectFaultData = true;
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}
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int main() {
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struct sigaction act {};
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act.sa_sigaction = handler;
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act.sa_flags = SA_SIGINFO;
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sigaction(SIGSEGV, &act, nullptr);
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__asm volatile(R"(
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mov eax, 0x7f;
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inc al;
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into;
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)" ::
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: "eax");
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return CorrectFaultData ? 0 : 1;
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}
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