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// SPDX-License-Identifier: GPL-2.0
/*
* Test sigreturn to an unaligned address, ie. low 2 bits set.
* Nothing bad should happen.
* This was able to trigger warnings with CONFIG_PPC_RFI_SRR_DEBUG=y.
*/
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ucontext.h>
#include <unistd.h>
#include "utils.h"
static void sigusr1_handler(int signo, siginfo_t *info, void *ptr)
{
ucontext_t *uc = ptr;
UCONTEXT_NIA(uc) |= 3;
}
static int test_sigreturn_unaligned(void)
{
struct sigaction action;
memset(&action, 0, sizeof(action));
action.sa_sigaction = sigusr1_handler;
action.sa_flags = SA_SIGINFO;
FAIL_IF(sigaction(SIGUSR1, &action, NULL) == -1);
raise(SIGUSR1);
return 0;
}
int main(void)
{
return test_harness(test_sigreturn_unaligned, "sigreturn_unaligned");
}
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