| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| /* See https://gitlab.com/qemu-project/qemu/-/issues/1648 */ |
| |
| #include <signal.h> |
| |
| __attribute__((noinline)) |
| void bar(void) |
| { |
| /* Success! Continue through sigreturn. */ |
| } |
| |
| /* |
| * Because of the change of ABI between foo and bar, the compiler is |
| * required to save XMM6-XMM15. The compiler will use MOVAPS or MOVDQA, |
| * which will trap if the stack frame is not 16 byte aligned. |
| */ |
| __attribute__((noinline, ms_abi)) |
| void foo(void) |
| { |
| bar(); |
| } |
| |
| void sighandler(int num) |
| { |
| foo(); |
| } |
| |
| int main(void) |
| { |
| signal(SIGUSR1, sighandler); |
| raise(SIGUSR1); |
| return 0; |
| } |
