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/* 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;
}
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